Added update to cursor when string is committed

Cleanups leading to Xwayland compatibility

See merge request Librem5/squeekboard!389

.gitlab-ci.yml

@@ -1,4 +1,4 @@
-image: debian:buster
+image: debian:bullseye
 
 stages:
   - build
@@ -11,7 +11,7 @@ stages:
 before_script:
   - apt-get -y update
   - apt-get -y install wget ca-certificates gnupg
-  - echo "deb http://ci.puri.sm/ scratch librem5" > /etc/apt/sources.list.d/ci.list
+  - echo "deb [trusted=yes] http://ci.puri.sm/ bullseyeci main" > /etc/apt/sources.list.d/ci.list
   - wget -O- https://ci.puri.sm/ci-repo.key | apt-key add -
   - apt-get -y update
 
@@ -22,11 +22,13 @@ build_docs:
     paths:
       - _build
   script:
-      - apt-get -y install python3-recommonmark python3-sphinx
+      - apt-get -y install python3-pip python3-sphinx
+      - pip3 install recommonmark
       - ./doc/build.sh _build
 
 build_meson:
-  <<: *tags
+  tags:
+    - librem5
   stage: build
   artifacts:
     paths:
@@ -34,7 +36,7 @@ build_meson:
     expire_in: 3h
   script:
     - apt-get -y build-dep .
-    - meson . _build/ -Ddepdatadir=/usr/share
+    - meson . _build/ -Ddepdatadir=/usr/share --werror
     - ninja -C _build install
 
 build_deb:
@@ -45,20 +47,73 @@ build_deb:
       paths:
         - "*.deb"
     script:
+        - rm -f ../*.deb
         - apt-get -y build-dep .
         - apt-get -y install devscripts
         - debuild -i -us -uc -b
         - cp ../*.deb .
 
-build_deb:arm64:
+build_deb:amber:
+    image: pureos/amber
     tags:
-        - librem5:arm64
-    allow_failure: true
+        - librem5
     stage: build
     artifacts:
       paths:
         - "*.deb"
     script:
+        - echo "deb http://ci.puri.sm/ scratch librem5" > /etc/apt/sources.list.d/ci.list
+        - apt-get -y update
+        - rm -f ../*.deb
+        - apt-get -y build-dep .
+        - apt-get -y install devscripts
+        - debuild -i -us -uc -b
+        - cp ../*.deb .
+
+build_deb:buster:
+    image: "debian:buster"
+    tags:
+        - librem5
+    stage: build
+    artifacts:
+      paths:
+        - "*.deb"
+    script:
+        - echo "deb http://ci.puri.sm/ scratch librem5" > /etc/apt/sources.list.d/ci.list
+        - apt-get -y update
+        - rm -f ../*.deb
+        - apt-get -y build-dep .
+        - apt-get -y install devscripts
+        - debuild -i -us -uc -b
+        - cp ../*.deb .
+
+
+build_deb:arm64:
+    tags:
+        - librem5:arm64
+    stage: build
+    artifacts:
+      paths:
+        - "*.deb"
+    script:
+        - rm -f ../*.deb
+        - apt-get -y build-dep .
+        - apt-get -y install devscripts
+        - debuild -i -us -uc -b
+        - cp ../*.deb .
+
+build_deb:arm64_buster:
+    image: "debian:buster"
+    tags:
+        - librem5:arm64
+    stage: build
+    artifacts:
+      paths:
+        - "*.deb"
+    script:
+        - echo "deb http://ci.puri.sm/ scratch librem5" > /etc/apt/sources.list.d/ci.list
+        - apt-get -y update
+        - rm -f ../*.deb
         - apt-get -y build-dep .
         - apt-get -y install devscripts
         - debuild -i -us -uc -b
@@ -74,10 +129,21 @@ test_lintian:
         - lintian *.deb
 
 test:
-  <<: *tags
+  tags:
+    - librem5
   stage: test
   needs:
     - build_meson
   script:
     - apt-get -y build-dep .
     - ninja -C _build test
+
+check_release:
+  <<: *tags
+  stage: test
+  only:
+    refs:
+      - master
+  script:
+    - apt-get -y install git python3
+    - (head -n 1 ./debian/changelog && git tag) | ./debian/check_release.py

Cargo.deps

@@ -0,0 +1,22 @@
+# Dependencies which change based on build flags
+bitflags = "1.2.*"
+clap = { version = "2.33.*", default-features = false }
+regex = { version = "1.3.*", default-features = false, features = ["std", "unicode-case"] }
+
+[dependencies.cairo-rs]
+version = "0.7.*"
+
+[dependencies.gdk]
+version = "0.11.*"
+
+[dependencies.gio]
+version = "0.7.*"
+features = ["v2_44"]
+
+[dependencies.glib]
+version = "0.8.*"
+features = ["v2_44"]
+
+[dependencies.gtk]
+version = "0.7.*"
+features = ["v3_22"]

Cargo.deps.legacy

@@ -0,0 +1,22 @@
+# Dependencies which change based on build flags
+bitflags = "1.0.*"
+clap = { version = "2.32.*", default-features = false }
+regex = { version = "1.1.*", default-features = false, features = ['use_std'] }
+
+[dependencies.cairo-rs]
+version = "0.5.*"
+
+[dependencies.gdk]
+version = "0.9.*"
+
+[dependencies.gio]
+version = "0.5.*"
+features = ["v2_44"]
+
+[dependencies.glib]
+version = "0.6.*"
+features = ["v2_44"]
+
+[dependencies.gtk]
+version = "0.5.*"
+features = ["v3_22"]

Cargo.lock

@@ -1,94 +1,75 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 [[package]]
-name = "aho-corasick"
-version = "0.7.6"
+name = "atk"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "ansi_term"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "atk-sys 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "glib 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "glib-sys 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gobject-sys 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "atk-sys"
-version = "0.7.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "glib-sys 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "gobject-sys 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "glib-sys 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gobject-sys 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "atty"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "hermit-abi 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "bitflags"
-version = "1.0.4"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "cairo-rs"
-version = "0.5.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cairo-sys-rs 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "glib 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "glib-sys 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "gobject-sys 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cairo-sys-rs 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "glib 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "glib-sys 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gobject-sys 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "cairo-sys-rs"
-version = "0.7.0"
+version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "glib 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "glib-sys 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "gobject-sys 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "glib-sys 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "cc"
-version = "1.0.50"
+version = "1.0.54"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "clap"
-version = "2.32.0"
+version = "2.33.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "atty 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "dtoa"
-version = "0.4.4"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -98,170 +79,164 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "gdk"
-version = "0.9.0"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
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- "cairo-sys-rs 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "gdk-pixbuf 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "gdk-sys 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "gio 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "gio-sys 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "glib 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "glib-sys 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "gobject-sys 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "pango 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cairo-rs 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cairo-sys-rs 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gdk-pixbuf 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gdk-sys 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gio 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
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 ]
 
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+ "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "atk-sys 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cairo-sys-rs 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gdk-pixbuf-sys 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gdk-sys 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gio-sys 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "glib-sys 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gobject-sys 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pango-sys 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-
 [[package]]
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@@ -269,12 +244,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
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-version = "0.2.66"
+version = "0.2.71"
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 [[package]]
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+version = "0.5.3"
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 [[package]]
@@ -282,42 +257,37 @@ name = "maplit"
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-[[package]]
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- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "pango-sys 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pango-sys 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
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- "gobject-sys 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "glib-sys 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -328,7 +298,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
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@@ -336,110 +306,93 @@ dependencies = [
 
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- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
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 dependencies = [
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+ "linked-hash-map 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
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-"checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
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-"checksum yaml-rust 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "65923dd1784f44da1d2c3dbbc5e822045628c590ba72123e1c73d3c230c4434d"
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Cargo.toml.in

@@ -2,46 +2,39 @@
 name = "rs"
 version = "0.1.0"
 
-[dependencies]
-bitflags = "1.0.*"
-clap = "2.32.*"
-maplit = "1.0.*"
-regex = "1.1.*"
-serde = { version = "1.0.*", features = ["derive"] }
-serde_yaml = "0.8.*"
-xkbcommon = { version = "0.4.*", features = ["wayland"] }
+[lib]
+name = "rs"
+path = "@path@/src/lib.rs"
+crate-type = ["staticlib", "rlib"]
 
-[dependencies.cairo-rs]
-version = "0.5.*"
+# Cargo can't do autodiscovery if Cargo.toml is not in the root.
+[[bin]]
+name = "test_layout"
+path = "@path@/src/bin/test_layout.rs"
 
+[[example]]
+name = "test_layout"
+path = "@path@/examples/test_layout.rs"
+
+[features]
+gio_v0_5 = []
+gtk_v0_5 = []
+
+# Dependencies which don't change based on build flags
 [dependencies.cairo-sys-rs]
 version = ""
 
-[dependencies.gdk]
-version = ""
-
-[dependencies.gio]
-version = ""
-features = ["v2_44"]
-
-[dependencies.glib]
-version = ""
-features = ["v2_44"]
-
 [dependencies.glib-sys]
 version = ""
 features = ["v2_44"]
 
-[dependencies.gtk]
-version = "0.5.*"
-features = ["v3_22"]
-
 [dependencies.gtk-sys]
 version = ""
 features = ["v3_22"]
 
-
-[lib]
-name = "rs"
-path = "src/lib.rs"
-crate-type = ["staticlib", "rlib"]
+[dependencies]
+maplit = "1.0.*"
+serde = { version = "1.0.*", features = ["derive"] }
+serde_yaml = "0.8.*"
+xkbcommon = { version = "0.4.*", features = ["wayland"] }
+# Here is inserted the Cargo.deps file

README.md

@@ -30,30 +30,43 @@ Building
 
 ### Dependencies
 
-See `.gitlab-ci.yml`.
+See `.gitlab-ci.yml` or run `apt-get build-dep .`
 
 ### Build from git repo
 
-```
+```bash
 $ git clone https://source.puri.sm/Librem5/squeekboard.git
 $ cd squeekboard
-$ mkdir ../build
-$ meson ../build/
-$ cd ../build
-$ ninja test
-$ ninja install
+$ mkdir _build
+$ meson _build/
+$ cd _build
+$ ninja
 ```
 
+To run tests use `ninja test`. To install squeekboard run `ninja install`.
+
 Running
 -------
 
-```
+```bash
 $ phoc # if no compatible Wayland compositor is running yet
 $ cd ../build/
 $ src/squeekboard
 ```
 
+Squeekboard honors the gnome "screen-keyboard-enabled" setting. Either enable this through gnome-settings under accessibility or run:
+
+```bash
+$ gsettings set org.gnome.desktop.a11y.applications screen-keyboard-enabled true
+```
+
+To make the keyboard show you can use either an application that does so automatically, like a text editor or `python3 ./tests/entry.py`, or you can manually trigger it with:
+
+```bash
+busctl call --user sm.puri.OSK0 /sm/puri/OSK0 sm.puri.OSK0 SetVisible b true
+```
+
 Developing
 ----------
 
-See `HACKING.md`
+See [`doc/hacking.md`](doc/hacking.md) for this copy, or the [official documentation](https://developer.puri.sm/projects/squeekboard/) for the current release.

cargo.sh

@@ -13,5 +13,10 @@ CARGO_TARGET_DIR="$(pwd)"
 export CARGO_TARGET_DIR
 
 cd "$SOURCE_DIR"
-cargo "$@"
+
+# the 'run" command takes arguments at the end,
+# so --manifest-path must not be last
+CMD="$1"
+shift
+cargo "$CMD" --manifest-path "$CARGO_TARGET_DIR"/Cargo.toml "$@"
 

data/keyboards/be.yaml

@@ -0,0 +1,89 @@
+---
+outlines:
+    default:   { width: 35.33, height: 52 }
+    altline:   { width: 52.67, height: 52 }
+    wide:      { width: 59,    height: 52 }
+    spaceline: { width: 140,   height: 52 }
+    special:   { width: 44,    height: 52 }
+
+views:
+    base:
+        - "a z e r t y u i o p"
+        - "q s d f g h j k l m"
+        - "Shift_L   w x c v b n .   BackSpace"
+        - "show_numbers preferences         space        show_eschars Return"
+    upper:
+        - "A Z E R T Y U I O P"
+        - "Q S D F G H J K L M"
+        - "Shift_L   W X C V B N ,  BackSpace"
+        - "show_numbers preferences         space        show_eschars Return"
+    numbers:
+        - "1 2 3 4 5 6 7 8 9 0"
+        - "@ # € % & - _ + ( )"
+        - "show_symbols   , \" ' colon ; ! ?  BackSpace"
+        - "show_letters preferences         space        show_eschars Return"
+    symbols:
+        - "~ ` | · √ π τ ÷ × ¶"
+        - "© ® £ $ ¥ ^ ° * { }"
+        - "show_numbers_from_symbols   \\ / < > = [ ]  BackSpace"
+        - "show_letters preferences         space        show_eschars Return"
+    eschars:
+        - "à â ç é è ê î ô ù û"
+        - "À Â Ç É È Ê Î Ô Ù Û"
+        - "show_numbers_from_symbols  æ œ ä ë ï ö ü  BackSpace"
+        - "show_letters preferences         space        show_eschars Return"
+
+buttons:
+    Shift_L:
+        action:
+            locking:
+                lock_view: "upper"
+                unlock_view: "base"
+        outline: "altline"
+        icon: "key-shift"
+    BackSpace:
+        outline: "altline"
+        icon: "edit-clear-symbolic"
+        action: erase
+    preferences:
+        action: "show_prefs"
+        outline: "special"
+        icon: "keyboard-mode-symbolic"
+    show_numbers:
+        action:
+            set_view: "numbers"
+        outline: "wide"
+        label: "123"
+    show_numbers_from_symbols:
+        action:
+            set_view: "numbers"
+        outline: "altline"
+        label: "123"
+    show_letters:
+        action:
+            set_view: "base"
+        outline: "wide"
+        label: "abc"
+    show_symbols:
+        action:
+            set_view: "symbols"
+        outline: "altline"
+        label: "*/="
+    show_eschars:
+        action:
+            locking:
+                lock_view: "eschars"
+                unlock_view: "base"
+        outline: "altline"
+        label: "âÂ"
+    space:
+        outline: "spaceline"
+        text: " "
+    Return:
+        outline: "wide"
+        icon: "key-enter"
+        keysym: "Return"
+    colon:
+        text: ":"
+    "\"":
+        keysym: "quotedbl"

data/keyboards/be_wide.yaml

@@ -0,0 +1,89 @@
+---
+outlines:
+    default:   { width: 54,  height: 42 }
+    altline:   { width: 81,  height: 42 }
+    wide:      { width: 100, height: 42 }
+    spaceline: { width: 205, height: 42 }
+    special:   { width: 54,  height: 42 }
+
+views:
+    base:
+        - "a z e r t y u i o p"
+        - "q s d f g h j k l m"
+        - "Shift_L   w x c v b n .   BackSpace"
+        - "show_numbers preferences         space        show_eschars Return"
+    upper:
+        - "A Z E R T Y U I O P"
+        - "Q S D F G H J K L M"
+        - "Shift_L   W X C V B N ,  BackSpace"
+        - "show_numbers preferences         space        show_eschars Return"
+    numbers:
+        - "1 2 3 4 5 6 7 8 9 0"
+        - "@ # € % & - _ + ( )"
+        - "show_symbols   , \" ' colon ; ! ?  BackSpace"
+        - "show_letters preferences         space        show_eschars Return"
+    symbols:
+        - "~ ` | · √ π τ ÷ × ¶"
+        - "© ® £ $ ¥ ^ ° * { }"
+        - "show_numbers_from_symbols   \\ / < > = [ ]  BackSpace"
+        - "show_letters preferences         space        show_eschars Return"
+    eschars:
+        - "à â ç é è ê î ô ù û"
+        - "À Â Ç É È Ê Î Ô Ù Û"
+        - "show_numbers_from_symbols  æ œ ä ë ï ö ü  BackSpace"
+        - "show_letters preferences         space        show_eschars Return"
+
+buttons:
+    Shift_L:
+        action:
+            locking:
+                lock_view: "upper"
+                unlock_view: "base"
+        outline: "altline"
+        icon: "key-shift"
+    BackSpace:
+        outline: "altline"
+        icon: "edit-clear-symbolic"
+        action: erase
+    preferences:
+        action: "show_prefs"
+        outline: "special"
+        icon: "keyboard-mode-symbolic"
+    show_numbers:
+        action:
+            set_view: "numbers"
+        outline: "wide"
+        label: "123"
+    show_numbers_from_symbols:
+        action:
+            set_view: "numbers"
+        outline: "altline"
+        label: "123"
+    show_letters:
+        action:
+            set_view: "base"
+        outline: "wide"
+        label: "abc"
+    show_symbols:
+        action:
+            set_view: "symbols"
+        outline: "altline"
+        label: "*/="
+    show_eschars:
+        action:
+            locking:
+                lock_view: "eschars"
+                unlock_view: "base"
+        outline: "altline"
+        label: "âÂ"
+    space:
+        outline: "spaceline"
+        text: " "
+    Return:
+        outline: "wide"
+        icon: "key-enter"
+        keysym: "Return"
+    colon:
+        text: ":"
+    "\"":
+        keysym: "quotedbl"

data/keyboards/br.yaml

@@ -0,0 +1,78 @@
+---
+outlines:
+    default: { width: 35.33, height: 52 }
+    altline: { width: 52.67, height: 52 }
+    wide: { width: 62, height: 52 }
+    spaceline: { width: 142, height: 52 }
+    special: { width: 44, height: 52 }
+
+views:
+    base:
+        - "q w e r t y u i o p"
+        - "a s d f g h j k l ç"
+        - "Shift_L   z x c v b n m  BackSpace"
+        - "show_numbers preferences         space     , Return"
+    upper:
+        - "Q W E R T Y U I O P"
+        - "A S D F G H J K L Ç"
+        - "Shift_L   Z X C V B N M  BackSpace"
+        - "show_numbers preferences         space     period Return"
+    numbers:
+        - "1 2 3 4 5 6 7 8 9 0"
+        - "à À á Á ã Ã â Â é É"
+        - "show_symbols   ê Ê í Í ó Ó ô Ô"
+        - "show_letters        õ Õ ú Ú ü Ü period BackSpace"
+    symbols:
+        - "@ # $ % - + ÷ × = ≠"
+        - "( ) § & < > / * { }"
+        - "show_numbers_from_symbols     º \" ' colon ; ! ?  BackSpace"
+        - "show_letters preferences         space        period Return"
+
+buttons:
+    Shift_L:
+        action:
+            locking:
+                lock_view: "upper"
+                unlock_view: "base"
+        outline: "altline"
+        icon: "key-shift"
+    BackSpace:
+        outline: "altline"
+        icon: "edit-clear-symbolic"
+        action: erase
+    preferences:
+        action: show_prefs
+        outline: "special"
+        icon: "keyboard-mode-symbolic"
+    show_numbers:
+        action:
+            set_view: "numbers"
+        outline: "wide"
+        label: "1ã"
+    show_numbers_from_symbols:
+        action:
+            set_view: "numbers"
+        outline: "altline"
+        label: "1ã"
+    show_letters:
+        action:
+            set_view: "base"
+        outline: "wide"
+        label: "ABC"
+    show_symbols:
+        action:
+            set_view: "symbols"
+        outline: "altline"
+        label: "*/="
+    period:
+        outline: "special"
+        text: "."
+    space:
+        outline: "spaceline"
+        text: " "
+    Return:
+        outline: "wide"
+        icon: "key-enter"
+        keysym: "Return"
+    colon:
+        text: ":"

data/keyboards/de.yaml

@@ -45,7 +45,7 @@ buttons:
     BackSpace:
         outline: "altline"
         icon: "edit-clear-symbolic"
-        keysym: "BackSpace"
+        action: "erase"
     preferences:
         action: "show_prefs"
         outline: "special"

data/keyboards/de_wide.yaml

@@ -45,7 +45,7 @@ buttons:
     BackSpace:
         outline: "altline"
         icon: "edit-clear-symbolic"
-        keysym: "BackSpace"
+        action: "erase"
     preferences:
         action: "show_prefs"
         outline: "special"

data/keyboards/dk.yaml

@@ -0,0 +1,98 @@
+---
+outlines:
+    default: { width: 32, height: 52 }
+    altline: { width: 48.39024, height: 52 }
+    wide: { width: 62, height: 52 }
+    outline7: { width: 88.97561, height: 52 }
+    spaceline: { width: 150.5853, height: 52 }
+
+views:
+    base:
+        - "q w e r t y u i o p å"
+        - "a s d f g h j k l ø æ"
+        - "Shift_L   z x c v b n m  BackSpace"
+        - "show_numbers preferences         space        .    Return"
+    upper:
+        - "Q W E R T Y U I O P Å"
+        - "A S D F G H J K L Ø Æ"
+        - "Shift_L   Z X C V B N M  BackSpace"
+        - "show_numbers preferences         space        .    Return"
+    numbers:
+        - "1 2 3 4 5 6 7 8 9 0"
+        - "@ # $ % & - _ + ( )"
+        - "show_symbols   , \" ' : ; ! ?  BackSpace"
+        - "show_letters preferences         space        .    Return"
+    symbols:
+        - "~ ` | U00B7 squareroot Greek_pi Greek_tau division multiply paragraph"
+        - "copyright U00AE U00A3 EuroSign U00A5 asciicircum degree * { }"
+        - "show_numbers   \\ / < > = [ ]  BackSpace"
+        - "show_letters preferences         space        .    Return"
+
+buttons:
+    Shift_L:
+        action:
+            locking:
+                lock_view: "upper"
+                unlock_view: "base"
+        outline: "altline"
+        icon: "key-shift"
+    BackSpace:
+        outline: "altline"
+        icon: "edit-clear-symbolic"
+        action: erase
+    preferences:
+        action: "show_prefs"
+        outline: "altline"
+        icon: "keyboard-mode-symbolic"
+    show_numbers:
+        action:
+            set_view: "numbers"
+        outline: "altline"
+        label: "123"
+    show_letters:
+        action:
+            set_view: "base"
+        outline: "altline"
+        label: "ABC"
+    show_symbols:
+        action:
+            set_view: "symbols"
+        outline: "altline"
+        label: "*/="
+    ".":
+        outline: altline
+    space:
+        outline: spaceline
+        text: " "
+    Return:
+        outline: "wide"
+        icon: "key-enter"
+        keysym: "Return"
+    U00B7:
+        text: "·"
+    squareroot:
+        text: "√"
+    Greek_pi:
+        text: "π"
+    division:
+        text: "÷"
+    multiply:
+        text: "×"
+    paragraph:
+        text: "¶"
+    Greek_tau:
+        text: "τ"
+    copyright:
+        text: "©"
+    U00AE:
+        text: "®"
+    U00A3:
+        text: "£"
+    EuroSign:
+        text: "€"
+    U00A5:
+        text: "¥"
+    asciicircum:
+        text: "^"
+    degree:
+        text: "°"

data/keyboards/emoji.yaml

@@ -1,16 +1,80 @@
 ---
 outlines:
     default: { width: 52, height: 52 }
-    altline: { width: 52, height: 52 }
+    altline: { width: 40, height: 52 }
+    narrow: { width: 22, height: 52 }
 
 views:
     base:
         - "😀 😁 😅 😂 😊 😇 🙃"
         - "😍 😘 😋 😜 😎 🥳 😔"
         - "😢 😭 😡 😱 🤔 😬 🙄"
-        - "preferences 🤨 🤓 😴 🤢 🤮 😈"
+        - "preferences blank 1 2 3 4 5 6 blank BackSpace"
+    two:
+        - "🤩 🤨 🤓 😴 🤢 🤮 😈"
+        - "💩 🙌 👏 👍 👎 👌 👋"
+        - "💪 🖕 🙏 💋 🤦‍♀️ 🤷‍♀️ 💃"
+        - "preferences blank 1 2 3 4 5 6 blank BackSpace"
+    three:
+        - "🐶 🐱 🐯 🙈 🐴 🦄 🌳"
+        - "🍀 🌹 💫 ⭐️ ✨ 💥 🔥"
+        - "🌈 ☀️ 🌤 🌧 ⛄️ ☂️ 🌊"
+        - "preferences blank 1 2 3 4 5 6 blank BackSpace"
+    four:
+        - "🍎 🍓 🍑 🍍 🍆 🥑 🥦"
+        - "🍕 🎂 🍫 🍿 🍻 🍾 🍽"
+        - "⚽️ 🏀 🏓 🏆 🎹 🎸 🎯"
+        - "preferences blank 1 2 3 4 5 6 blank BackSpace"
+    five:
+        - "🚗 🚌 🚲 🚄 🚂 ✈️ 🛰"
+        - "🚀 🛸 🚁 🚦 🏝 🏔 ⛺️"
+        - "🏠 🏢 🏥 🏛 🛤 🌅 🎇"
+        - "preferences blank 1 2 3 4 5 6 blank BackSpace"
+    six:
+        - "⌚️ 📱 💻 🖥 🖨 🕹 ✉️"
+        - "📞 ☎️ ⏰ ⏳ 📈 📉 📌"
+        - "🎁 ❤️ 💕 💯 ✅ ❎ 📢"
+        - "preferences blank 1 2 3 4 5 6 blank BackSpace"
+
 buttons:
+    1:
+        action:
+            set_view: "base"
+        outline: "altline"
+        label: "1"
+    2:
+        action:
+            set_view: "two"
+        outline: "altline"
+        label: "2"
+    3:
+        action:
+            set_view: "three"
+        outline: "altline"
+        label: "3"
+    4:
+        action:
+            set_view: "four"
+        outline: "altline"
+        label: "4"
+    5:
+        action:
+            set_view: "five"
+        outline: "altline"
+        label: "5"
+    6:
+        action:
+            set_view: "six"
+        outline: "altline"
+        label: "6"
     preferences:
         action: "show_prefs"
         outline: "altline"
         icon: "keyboard-mode-symbolic"
+    BackSpace:
+        outline: "altline"
+        icon: "edit-clear-symbolic"
+        keysym: BackSpace
+    blank:
+        outline: "narrow"
+        text: ""

data/keyboards/es.yaml

@@ -44,7 +44,7 @@ buttons:
     BackSpace:
         outline: "altline"
         icon: "edit-clear-symbolic"
-        keysym: "BackSpace"
+        action: "erase"
     preferences:
         action: "show_prefs"
         outline: "default"

data/keyboards/fi.yaml

@@ -39,7 +39,7 @@ buttons:
     BackSpace:
         outline: "altline"
         icon: "edit-clear-symbolic"
-        keysym: "BackSpace"
+        action: "erase"
     preferences:
         action: "show_prefs"
         outline: "altline"

data/keyboards/fr.yaml

@@ -0,0 +1,89 @@
+---
+outlines:
+    default:   { width: 35.33, height: 52 }
+    altline:   { width: 52.67, height: 52 }
+    wide:      { width: 59,    height: 52 }
+    spaceline: { width: 140,   height: 52 }
+    special:   { width: 44,    height: 52 }
+
+views:
+    base:
+        - "a z e r t y u i o p"
+        - "q s d f g h j k l m"
+        - "Shift_L   w x c v b n .   BackSpace"
+        - "show_numbers preferences         space        show_eschars Return"
+    upper:
+        - "A Z E R T Y U I O P"
+        - "Q S D F G H J K L M"
+        - "Shift_L   W X C V B N ,  BackSpace"
+        - "show_numbers preferences         space        show_eschars Return"
+    numbers:
+        - "1 2 3 4 5 6 7 8 9 0"
+        - "@ # € % & - _ + ( )"
+        - "show_symbols   , \" ' colon ; ! ?  BackSpace"
+        - "show_letters preferences         space        show_eschars Return"
+    symbols:
+        - "~ ` | · √ π τ ÷ × ¶"
+        - "© ® £ $ ¥ ^ ° * { }"
+        - "show_numbers_from_symbols   \\ / < > = [ ]  BackSpace"
+        - "show_letters preferences         space        show_eschars Return"
+    eschars:
+        - "à â ç é è ê î ô ù û"
+        - "À Â Ç É È Ê Î Ô Ù Û"
+        - "show_numbers_from_symbols  æ œ ä ë ï ö ü  BackSpace"
+        - "show_letters preferences         space        show_eschars Return"
+
+buttons:
+    Shift_L:
+        action:
+            locking:
+                lock_view: "upper"
+                unlock_view: "base"
+        outline: "altline"
+        icon: "key-shift"
+    BackSpace:
+        outline: "altline"
+        icon: "edit-clear-symbolic"
+        action: erase
+    preferences:
+        action: "show_prefs"
+        outline: "special"
+        icon: "keyboard-mode-symbolic"
+    show_numbers:
+        action:
+            set_view: "numbers"
+        outline: "wide"
+        label: "123"
+    show_numbers_from_symbols:
+        action:
+            set_view: "numbers"
+        outline: "altline"
+        label: "123"
+    show_letters:
+        action:
+            set_view: "base"
+        outline: "wide"
+        label: "abc"
+    show_symbols:
+        action:
+            set_view: "symbols"
+        outline: "altline"
+        label: "*/="
+    show_eschars:
+        action:
+            locking:
+                lock_view: "eschars"
+                unlock_view: "base"
+        outline: "altline"
+        label: "âÂ"
+    space:
+        outline: "spaceline"
+        text: " "
+    Return:
+        outline: "wide"
+        icon: "key-enter"
+        keysym: "Return"
+    colon:
+        text: ":"
+    "\"":
+        keysym: "quotedbl"

data/keyboards/fr_wide.yaml

@@ -0,0 +1,89 @@
+---
+outlines:
+    default:   { width: 54,  height: 42 }
+    altline:   { width: 81,  height: 42 }
+    wide:      { width: 100, height: 42 }
+    spaceline: { width: 205, height: 42 }
+    special:   { width: 54,  height: 42 }
+
+views:
+    base:
+        - "a z e r t y u i o p"
+        - "q s d f g h j k l m"
+        - "Shift_L   w x c v b n .   BackSpace"
+        - "show_numbers preferences         space        show_eschars Return"
+    upper:
+        - "A Z E R T Y U I O P"
+        - "Q S D F G H J K L M"
+        - "Shift_L   W X C V B N ,  BackSpace"
+        - "show_numbers preferences         space        show_eschars Return"
+    numbers:
+        - "1 2 3 4 5 6 7 8 9 0"
+        - "@ # € % & - _ + ( )"
+        - "show_symbols   , \" ' colon ; ! ?  BackSpace"
+        - "show_letters preferences         space        show_eschars Return"
+    symbols:
+        - "~ ` | · √ π τ ÷ × ¶"
+        - "© ® £ $ ¥ ^ ° * { }"
+        - "show_numbers_from_symbols   \\ / < > = [ ]  BackSpace"
+        - "show_letters preferences         space        show_eschars Return"
+    eschars:
+        - "à â ç é è ê î ô ù û"
+        - "À Â Ç É È Ê Î Ô Ù Û"
+        - "show_numbers_from_symbols  æ œ ä ë ï ö ü  BackSpace"
+        - "show_letters preferences         space        show_eschars Return"
+
+buttons:
+    Shift_L:
+        action:
+            locking:
+                lock_view: "upper"
+                unlock_view: "base"
+        outline: "altline"
+        icon: "key-shift"
+    BackSpace:
+        outline: "altline"
+        icon: "edit-clear-symbolic"
+        action: erase
+    preferences:
+        action: "show_prefs"
+        outline: "special"
+        icon: "keyboard-mode-symbolic"
+    show_numbers:
+        action:
+            set_view: "numbers"
+        outline: "wide"
+        label: "123"
+    show_numbers_from_symbols:
+        action:
+            set_view: "numbers"
+        outline: "altline"
+        label: "123"
+    show_letters:
+        action:
+            set_view: "base"
+        outline: "wide"
+        label: "abc"
+    show_symbols:
+        action:
+            set_view: "symbols"
+        outline: "altline"
+        label: "*/="
+    show_eschars:
+        action:
+            locking:
+                lock_view: "eschars"
+                unlock_view: "base"
+        outline: "altline"
+        label: "âÂ"
+    space:
+        outline: "spaceline"
+        text: " "
+    Return:
+        outline: "wide"
+        icon: "key-enter"
+        keysym: "Return"
+    colon:
+        text: ":"
+    "\"":
+        keysym: "quotedbl"

data/keyboards/gr.yaml

@@ -46,7 +46,7 @@ buttons:
     BackSpace:
         outline: "altline"
         icon: "edit-clear-symbolic"
-        keysym: "BackSpace"
+        action: "erase"
     preferences:
         action: "show_prefs"
         outline: "altline"

data/keyboards/it.yaml

@@ -13,22 +13,22 @@ views:
         - "q w e r t y u i o p"
         - "a s d f g h j k l"
         - "Shift_L   z x c v b n m  BackSpace"
-        - "show_numbers show_eschars preferences         space        , period Return"
+        - "show_numbers show_eschars preferences         space        , . Return"
     upper:
         - "Q W E R T Y U I O P"
         - "A S D F G H J K L"
         - "Shift_L   Z X C V B N M  BackSpace"
-        - "show_numbers show_eschars preferences         space        ? period Return"
+        - "show_numbers show_eschars preferences         space        ? . Return"
     numbers:
         - "1 2 3 4 5 6 7 8 9 0"
         - "@ # € % & - _ + ( )"
         - "show_symbols   , \" ' colon ; ! ?  BackSpace"
-        - "show_letters show_eschars preferences         space        ? period Return"
+        - "show_letters show_eschars preferences         space        ? . Return"
     symbols:
         - "~ ` | · √ π τ ÷ × ¶"
         - "© ® £ $ ¥ ^ ° * { }"
         - "show_numbers   \\ / < > = [ ]  BackSpace"
-        - "show_letters show_eschars preferences         space        ? period Return"
+        - "show_letters show_eschars preferences         space        ? . Return"
     eschars:
         - "á é í ó ú Á É Í Ó Ú"
         - "à è ì ò « » ù ! { }"
@@ -46,7 +46,7 @@ buttons:
     BackSpace:
         outline: "altline"
         icon: "edit-clear-symbolic"
-        keysym: "BackSpace"
+        action: "erase"
     preferences:
         action: "show_prefs"
         outline: "default"
@@ -76,12 +76,10 @@ buttons:
             set_view: "eschars"
         outline: "altline"
         label: "àè"
-    period:
-        outline: "default"
-        label: "."
     space:
         outline: "spaceline"
         label: " "
+        text: " "
     Return:
         outline: "altline"
         icon: "key-enter"

data/keyboards/jp+kana.yaml

@@ -195,7 +195,7 @@ buttons:
     BackSpace:
         outline: "wide"
         icon: "edit-clear-symbolic"
-        keysym: "BackSpace"
+        action: erase
     Return:
         outline: "wide"
         icon: "key-enter"

data/keyboards/jp+kana_wide.yaml

@@ -195,7 +195,7 @@ buttons:
     BackSpace:
         outline: "wide"
         icon: "edit-clear-symbolic"
-        keysym: "BackSpace"
+        action: erase
     Return:
         outline: "wide"
         icon: "key-enter"

data/keyboards/no.yaml

@@ -39,7 +39,7 @@ buttons:
     BackSpace:
         outline: "altline"
         icon: "edit-clear-symbolic"
-        keysym: "BackSpace"
+        action: erase
     preferences:
         action: "show_prefs"
         outline: "altline"

data/keyboards/number.yaml

@@ -16,14 +16,14 @@ buttons:
     BackSpace:
         outline: "altline"
         icon: "edit-clear-symbolic"
-        keysym: "BackSpace"
+        action: erase
     space:
         outline: spaceline
         text: " "
     Return:
         outline: outline7
         icon: "key-enter"
-        keysym: "BackSpace"
+        keysym: "Return"
     asterisk:
         text: "*"
     numbersign:

data/keyboards/pl.yaml

@@ -0,0 +1,110 @@
+---
+outlines:
+    default: { width: 35.33, height: 52 }
+    altline: { width: 52.67, height: 52 }
+    wide: { width: 59, height: 52 }
+    spaceline: { width: 140, height: 52 }
+    special: { width: 44, height: 52 }
+
+views:
+    base:
+        - "q w e r t y u i o p"
+        - "a s d f g h j k l"
+        - "Shift_L   z x c v b n m  BackSpace"
+        - "show_numbers preferences         space        show_accents Return"
+    upper:
+        - "Q W E R T Y U I O P"
+        - "A S D F G H J K L"
+        - "Shift_L   Z X C V B N M  BackSpace"
+        - "show_numbers preferences         space        show_upper_accents Return"
+    numbers:
+        - "1 2 3 4 5 6 7 8 9 0"
+        - "@ # $ % & - _ + ( )"
+        - "show_symbols   , \" ' colon ; ! ?  BackSpace"
+        - "show_letters preferences         space        period Return"
+    symbols:
+        - "~ ` | · √ π τ ÷ × ¶"
+        - "© ® £ € ¥ ^ ° * { }"
+        - "show_numbers_from_symbols   \\ / < > = [ ]  BackSpace"
+        - "show_letters preferences         space        period Return"
+    accents:
+        - "q w ę r t y u i ó p"
+        - "ą ś d f g h j k ł"
+        - "accents_show_upper   ż ź ć v b ń m  BackSpace"
+        - "show_numbers preferences         space        show_accents Return"
+    upper_accents:
+        - "Q W Ę R T Y U I Ó P"
+        - "Ą Ś D F G H J K Ł"
+        - "accents_show_upper   Ż Ź Ć V B Ń M  BackSpace"
+        - "show_numbers preferences         space        show_upper_accents Return"
+
+
+buttons:
+    Shift_L:
+        action:
+            locking:
+                lock_view: "upper"
+                unlock_view: "base"
+        outline: "altline"
+        icon: "key-shift"
+    accents_show_upper:
+        action:
+            locking:
+                lock_view: "upper_accents"
+                unlock_view: "accents"
+        outline: "altline"
+        icon: "key-shift"
+    BackSpace:
+        outline: "altline"
+        icon: "edit-clear-symbolic"
+        keysym: "BackSpace"
+    preferences:
+        action: "show_prefs"
+        outline: "special"
+        icon: "keyboard-mode-symbolic"
+    show_numbers:
+        action:
+            set_view: "numbers"
+        outline: "wide"
+        label: "123"
+    show_numbers_from_symbols:
+        action:
+            set_view: "numbers"
+        outline: "altline"
+        label: "123"
+    show_letters:
+        action:
+            set_view: "base"
+        outline: "wide"
+        label: "ABC"
+    show_symbols:
+        action:
+            set_view: "symbols"
+        outline: "altline"
+        label: "*/="
+    show_accents:
+        action:
+            locking:
+                lock_view: "accents"
+                unlock_view: "base"
+        outline: "altline"
+        label: "ąę"
+    show_upper_accents:
+        action:
+            locking:
+                lock_view: "upper_accents"
+                unlock_view: "upper"
+        outline: "altline"
+        label: "ĄĘ"
+    period:
+        outline: "altline"
+        text: "."
+    space:
+        outline: "spaceline"
+        text: " "
+    Return:
+        outline: "wide"
+        icon: "key-enter"
+        keysym: "Return"
+    colon:
+        text: ":"

data/keyboards/pl_wide.yaml

@@ -0,0 +1,102 @@
+---
+outlines:
+    default: { width: 54, height: 42 }
+    altline: { width: 81, height: 42 }
+    wide: { width: 100, height: 42 }
+    spaceline: { width: 206, height: 42 }
+    special: { width: 54, height: 42 }
+
+views:
+    base:
+        - "q w e r t y u i o p"
+        - "a s d f g h j k l"
+        - "Shift_L   z x c v b n m  BackSpace"
+        - "show_numbers preferences         space        show_accents Return"
+    upper:
+        - "Q W E R T Y U I O P"
+        - "A S D F G H J K L"
+        - "Shift_L   Z X C V B N M  BackSpace"
+        - "show_numbers preferences         space        show_upper_accents Return"
+    numbers:
+        - "1 2 3 4 5 6 7 8 9 0"
+        - "@ # $ % & - _ + ( )"
+        - "show_symbols   , \" ' colon ; ! ?  BackSpace"
+        - "show_letters preferences         space        period Return"
+    symbols:
+        - "~ ` | · √ π τ ÷ × ¶"
+        - "© ® £ € ¥ ^ ° * { }"
+        - "show_numbers_from_symbols   \\ / < > = [ ]  BackSpace"
+        - "show_letters preferences         space        period Return"
+    accents:
+        - "q w ę r t y u i ó p"
+        - "ą ś d f g h j k ł"
+        - "Shift_L   ż ź ć v b ń m  BackSpace"
+        - "show_numbers preferences         space        show_accents Return"
+    upper_accents:
+        - "Q W Ę R T Y U I Ó P"
+        - "Ą Ś D F G H J K Ł"
+        - "Shift_L   Ż Ź Ć V B Ń M  BackSpace"
+        - "show_numbers preferences         space        show_upper_accents Return"
+
+buttons:
+    Shift_L:
+        action:
+            locking:
+                lock_view: "upper"
+                unlock_view: "base"
+        outline: "altline"
+        icon: "key-shift"
+    BackSpace:
+        outline: "altline"
+        icon: "edit-clear-symbolic"
+        keysym: "BackSpace"
+    preferences:
+        action: "show_prefs"
+        outline: "special"
+        icon: "keyboard-mode-symbolic"
+    show_numbers:
+        action:
+            set_view: "numbers"
+        outline: "wide"
+        label: "123"
+    show_numbers_from_symbols:
+        action:
+            set_view: "numbers"
+        outline: "altline"
+        label: "123"
+    show_letters:
+        action:
+            set_view: "base"
+        outline: "wide"
+        label: "ABC"
+    show_symbols:
+        action:
+            set_view: "symbols"
+        outline: "altline"
+        label: "*/="
+    show_accents:
+        action:
+            locking:
+                lock_view: "accents"
+                unlock_view: "base"
+        outline: "altline"
+        label: "ąę"
+    show_upper_accents:
+        action:
+            locking:
+                lock_view: "upper_accents"
+                unlock_view: "upper"
+        outline: "altline"
+        label: "ĄĘ"
+    period:
+        outline: "altline"
+        text: "."
+    space:
+        outline: "spaceline"
+        text: " "
+    Return:
+        outline: "wide"
+        icon: "key-enter"
+        keysym: "Return"
+    colon:
+        text: ":"

data/keyboards/ru.yaml

@@ -0,0 +1,94 @@
+---
+outlines:
+    default: { width: 32, height: 52 }
+    altline: { width: 32, height: 52 }
+    wide: { width: 57, height: 52 }
+    narrow: { width: 26, height: 52 }
+    spaceline: { width: 107, height: 52 }
+    fill: { width: 159, height: 52 }
+    special: { width: 42, height: 52 }
+
+views:
+    base:
+        - "й ц у к е н г ш щ з х"
+        - "ф ы в а п р о л д ж э"
+        - "Shift_L  я ч с м и т ь б ю  BackSpace"
+        - "show_numbers preferences    ё  space  ъ  period Return"
+    upper:
+        - "Й Ц У К Е Н Г Ш Щ З Х"
+        - "Ф Ы В А П Р О Л Д Ж Э"
+        - "Shift_L   Я Ч С М И Т Ь Б Ю  BackSpace"
+        - "show_numbers preferences    Ё  space  Ъ  comma Return"
+    numbers:
+        - "1 2 3 4 5 6 7 8 9 0"
+        - "@ # $ % & - _ + ( )"
+        - "show_symbols   , \" ' colon ; ! ?  BackSpace"
+        - "show_letters preferences         space_fill   period Return"
+    symbols:
+        - "~ ` | · √ π τ ÷ × ¶"
+        - "© ® £ € ¥ ^ ° * { }"
+        - "show_numbers_from_symbols   \\ / < > = [ ]  BackSpace"
+        - "show_letters preferences         space_fill   period Return"
+
+buttons:
+    Shift_L:
+        action:
+            locking:
+                lock_view: "upper"
+                unlock_view: "base"
+        outline: "altline"
+        icon: "key-shift"
+    BackSpace:
+        outline: "altline"
+        icon: "edit-clear-symbolic"
+        action: erase
+    preferences:
+        action: show_prefs
+        outline: "special"
+        icon: "keyboard-mode-symbolic"
+    show_numbers:
+        action:
+            set_view: "numbers"
+        outline: "wide"
+        label: "123"
+    show_numbers_from_symbols:
+        action:
+            set_view: "numbers"
+        outline: "wide"
+        label: "123"
+    show_letters:
+        action:
+            set_view: "base"
+        outline: "wide"
+        label: "АБВ"
+    show_symbols:
+        action:
+            set_view: "symbols"
+        outline: "wide"
+        label: "*/="
+    period:
+        outline: "special"
+        text: "."
+    comma:
+        outline: "special"
+        text: ","
+    space:
+        outline: "spaceline"
+        text: " "
+    space_fill:
+        outline: "fill"
+        text: " "
+    Return:
+        outline: "wide"
+        icon: "key-enter"
+        keysym: "Return"
+    colon:
+        text: ":"
+    ё:
+        outline: "narrow"
+    Ё:
+        outline: "narrow"
+    ъ:
+        outline: "narrow"
+    Ъ:
+        outline: "narrow"

data/keyboards/se.yaml

@@ -2,9 +2,10 @@
 outlines:
     default: { width: 32, height: 52 }
     altline: { width: 48.39024, height: 52 }
-    wide: { width: 62, height: 52 }
-    outline7: { width: 88.97561, height: 52 }
-    spaceline: { width: 150.5853, height: 52 }
+    wide: { width: 64,  height: 52 }
+    spaceline: { width: 142, height: 52 }
+    special: { width: 44, height: 52 }
+ 
 
 views:
     base:
@@ -25,7 +26,7 @@ views:
     symbols:
         - "asciitilde quoteleft bar U00B7 squareroot Greek_pi Greek_tau division multiply paragraph"
         - "copyright U00AE U00A3 EuroSign U00A5 asciicircum degree asterisk braceleft braceright"
-        - "show_numbers   backslash slash less greater equal bracketleft bracketright  BackSpace"
+        - "show_numbers_from_symbols   backslash slash less greater equal bracketleft bracketright  BackSpace"
         - "show_letters preferences         space        .    Return"
 
 buttons:
@@ -37,22 +38,27 @@ buttons:
         outline: "altline"
         icon: "key-shift"
     BackSpace:
-        outline: "altline"
+        outline: altline
         icon: "edit-clear-symbolic"
-        keysym: "BackSpace"
+        action: erase
     preferences:
         action: "show_prefs"
-        outline: "altline"
+        outline: "special"
         icon: "keyboard-mode-symbolic"
     show_numbers:
+        outline: "wide"
         action:
             set_view: "numbers"
-        outline: "altline"
+        label: "123"
+    show_numbers_from_symbols:
+        action:
+            set_view: "numbers"
+        outline: altline
         label: "123"
     show_letters:
+        outline: "wide"
         action:
             set_view: "base"
-        outline: "altline"
         label: "ABC"
     show_symbols:
         action:
@@ -60,7 +66,7 @@ buttons:
         outline: "altline"
         label: "*/="
     ".":
-        outline: altline
+        outline: "special"
     space:
         outline: spaceline
         text: " "
@@ -156,4 +162,3 @@ buttons:
         text: "["
     bracketright:
         text: "]"
-

data/keyboards/terminal.yaml

@@ -1,38 +1,44 @@
 ---
 outlines:
-    default: { width: 35.33, height: 52 }
-    action:  { width: 59,    height: 52 }
-    altline: { width: 52.67, height: 52 }
-    wide: { width: 59, height: 52 }
-    spaceline: { width: 140, height: 52 }
-    special: { width: 44, height: 52 }
+    default: { width: 35.33, height: 46 }
+    action:  { width: 59,    height: 46 }
+    altline: { width: 52.67, height: 46 }
+    wide: { width: 59, height: 46 }
+    spaceline: { width: 140, height: 46 }
+    special: { width: 44, height: 46 }
+    small: { width: 59, height: 22 }
 
 views:
     base:
+        - "Ctrl Alt ↑ ↓ ← →"
         - "q w e r t y u i o p"
         - "a s d f g h j k l"
         - "Shift_L   z x c v b n m  BackSpace"
-        - "show_numbers show_actions      space        preferences Return"
+        - "show_numbers preferences      space        show_actions Return"
     upper:
+        - "Ctrl Alt PgUp PgDn Home End"
         - "Q W E R T Y U I O P"
         - "A S D F G H J K L"
         - "Shift_L   Z X C V B N M  BackSpace"
-        - "show_numbers preferences         space        period Return"
+        - "show_numbers preferences      space        show_actions Return"
     numbers:
+        - "Ctrl Alt ↑ ↓ ← →"
         - "1 2 3 4 5 6 7 8 9 0"
-        - "@ # $ % & - _ + ( )"
+        - "* # $ / & - _ + ( )"
         - "show_symbols   , \" ' colon ; ! ?  BackSpace"
         - "show_letters preferences         space        period Return"
     symbols:
+        - "Ctrl Alt ↑ ↓ ← →"
         - "~ ` | · √ π τ ÷ × ¶"
-        - "© ® £ € ¥ ^ ° * { }"
-        - "show_numbers_from_symbols   \\ / < > = [ ]  BackSpace"
+        - "© ® £ € ¥ ^ ° @ { }"
+        - "show_numbers_from_symbols   \\ % < > = [ ]  BackSpace"
         - "show_letters preferences         space        period Return"
     actions:
+        - "Ctrl Alt PgUp PgDn Home End"
         - "F1  F2  F3  F4  F5  F6"
         - "F7  F8  F9  F10 F11 F12"
-        - "Esc Tab Del PgUp ↑ PgDn"
-        - "show_letters Home End ← ↓ →"
+        - "Esc Tab Pause Insert Up Del"
+        - "show_letters Menu Break Left Down Right"
 
 buttons:
     Shift_L:
@@ -45,7 +51,7 @@ buttons:
     BackSpace:
         outline: "altline"
         icon: "edit-clear-symbolic"
-        keysym: "BackSpace"
+        action: erase
     preferences:
         action: "show_prefs"
         outline: "special"
@@ -69,14 +75,14 @@ buttons:
         action:
             set_view: "symbols"
         outline: "altline"
-        label: "*/="
+        label: "τ=\\"
     show_actions:
         action:
             set_view: "actions"
         outline: "altline"
         label: ">_"
     period:
-        outline: "special"
+        outline: "altline"
         text: "."
     space:
         outline: "spaceline"
@@ -132,28 +138,67 @@ buttons:
     Del:
         outline: "action"
         keysym: "Delete"
-    Home:
+    Insert:
         outline: "action"
+        keysym: "Insert"
+    Menu:
+        outline: "action"
+        keysym: "Menu"
+    Pause:
+        outline: "action"
+        keysym: "Pause"
+    Menu:
+        outline: "action"
+        keysym: "Menu"
+    Break:
+        outline: "action"
+        keysym: "Break"
+    Home:
+        outline: "small"
         keysym: "Home"
     End:
-        outline: "action"
+        outline: "small"
         keysym: "End"
     PgUp:
-        outline: "action"
+        outline: "small"
         keysym: "Page_Up"
     PgDn:
-        outline: "action"
+        outline: "small"
         keysym: "Page_Down"
     "↑":
-        outline: "action"
+        outline: "small"
         keysym: "Up"
     "↓":
-        outline: "action"
+        outline: "small"
         keysym: "Down"
     "←":
-        outline: "action"
+        outline: "small"
         keysym: "Left"
     "→":
+        outline: "small"
+        keysym: "Right"
+    Up:
+        label: "↑"
+        outline: "action"
+        keysym: "Up"
+    Left:
+        label: "←"
+        outline: "action"
+        keysym: "Left"
+    Down:
+        label: "↓"
+        outline: "action"
+        keysym: "Down"
+    Right:
+        label: "→"
         outline: "action"
         keysym: "Right"
+    Ctrl:
+        modifier: "Control"
+        outline: "small"
+        label: "Ctrl"
+    Alt:
+        modifier: "Alt"
+        outline: "small"
+        label: "Alt"
 

data/keyboards/terminal_wide.yaml

@@ -0,0 +1,211 @@
+---
+outlines:
+    default:   { width: 54,   height: 37 }
+    action:    { width: 90,   height: 37 }
+    altline:   { width: 81,   height: 37 }
+    wide:      { width: 90,   height: 37 }
+    spaceline: { width: 225,  height: 37 }
+    special:   { width: 54,   height: 37 }
+    small:     { width: 67.4, height: 22 }
+
+views:
+    base:
+        - "EscSmall TabSmall Ctrl Alt ↑ ↓ ← →"
+        - "q w e r t y u i o p"
+        - "a s d f g h j k l"
+        - "Shift_L   z x c v b n m  BackSpace"
+        - "show_numbers preferences      space        show_actions Return"
+    upper:
+        - "EscSmall TabSmall Ctrl Alt PgUp PgDn Home End"
+        - "Q W E R T Y U I O P"
+        - "A S D F G H J K L"
+        - "Shift_L   Z X C V B N M  BackSpace"
+        - "show_numbers preferences      space        show_actions Return"
+    numbers:
+        - "EscSmall TabSmall Ctrl Alt ↑ ↓ ← →"
+        - "1 2 3 4 5 6 7 8 9 0"
+        - "* # $ / & - _ + ( )"
+        - "show_symbols   , \" ' colon ; ! ?  BackSpace"
+        - "show_letters preferences         space        period Return"
+    symbols:
+        - "EscSmall TabSmall Ctrl Alt ↑ ↓ ← →"
+        - "~ ` | · √ π τ ÷ × ¶"
+        - "© ® £ € ¥ ^ ° @ { }"
+        - "show_numbers_from_symbols   \\ % < > = [ ]  BackSpace"
+        - "show_letters preferences         space        period Return"
+    actions:
+        - "EscSmall TabSmall Ctrl Alt PgUp PgDn Home End"
+        - "F1  F2  F3  F4  F5  F6"
+        - "F7  F8  F9  F10 F11 F12"
+        - "Esc Tab Pause Insert Up Del"
+        - "show_letters Menu Break Left Down Right"
+
+buttons:
+    Shift_L:
+        action:
+            locking:
+                lock_view: "upper"
+                unlock_view: "base"
+        outline: "altline"
+        icon: "key-shift"
+    BackSpace:
+        outline: "altline"
+        icon: "edit-clear-symbolic"
+        action: erase
+    preferences:
+        action: "show_prefs"
+        outline: "special"
+        icon: "keyboard-mode-symbolic"
+    show_numbers:
+        action:
+            set_view: "numbers"
+        outline: "wide"
+        label: "123"
+    show_numbers_from_symbols:
+        action:
+            set_view: "numbers"
+        outline: "altline"
+        label: "123"
+    show_letters:
+        action:
+            set_view: "base"
+        outline: "wide"
+        label: "ABC"
+    show_symbols:
+        action:
+            set_view: "symbols"
+        outline: "altline"
+        label: "τ=\\"
+    show_actions:
+        action:
+            set_view: "actions"
+        outline: "altline"
+        label: ">_"
+    period:
+        outline: "altline"
+        text: "."
+    space:
+        outline: "spaceline"
+        text: " "
+    Return:
+        outline: "wide"
+        icon: "key-enter"
+        keysym: "Return"
+    colon:
+        text: ":"
+    F1:
+        outline: "action"
+        keysym: "F1"
+    F2:
+        outline: "action"
+        keysym: "F2"
+    F3:
+        outline: "action"
+        keysym: "F3"
+    F4:
+        outline: "action"
+        keysym: "F4"
+    F5:
+        outline: "action"
+        keysym: "F5"
+    F6:
+        outline: "action"
+        keysym: "F6"
+    F7:
+        outline: "action"
+        keysym: "F7"
+    F8:
+        outline: "action"
+        keysym: "F8"
+    F9:
+        outline: "action"
+        keysym: "F9"
+    F10:
+        outline: "action"
+        keysym: "F10"
+    F11:
+        outline: "action"
+        keysym: "F11"
+    F12:
+        outline: "action"
+        keysym: "F12"
+    Esc:
+        outline: "action"
+        keysym: "Escape"
+    EscSmall:
+        outline: "small"
+        keysym: "Escape"
+        label: "Esc"
+    Tab:
+        outline: "action"
+        keysym: "Tab"
+    TabSmall:
+        outline: "small"
+        keysym: "Tab"
+        label: "Tab"
+    Del:
+        outline: "action"
+        keysym: "Delete"
+    Insert:
+        outline: "action"
+        keysym: "Insert"
+    Menu:
+        outline: "action"
+        keysym: "Menu"
+    Pause:
+        outline: "action"
+        keysym: "Pause"
+    Menu:
+        outline: "action"
+        keysym: "Menu"
+    Break:
+        outline: "action"
+        keysym: "Break"
+    Home:
+        outline: "small"
+        keysym: "Home"
+    End:
+        outline: "small"
+        keysym: "End"
+    PgUp:
+        outline: "small"
+        keysym: "Page_Up"
+    PgDn:
+        outline: "small"
+        keysym: "Page_Down"
+    "↑":
+        outline: "small"
+        keysym: "Up"
+    "↓":
+        outline: "small"
+        keysym: "Down"
+    "←":
+        outline: "small"
+        keysym: "Left"
+    "→":
+        outline: "small"
+        keysym: "Right"
+    Up:
+        label: "↑"
+        outline: "action"
+        keysym: "Up"
+    Left:
+        label: "←"
+        outline: "action"
+        keysym: "Left"
+    Down:
+        label: "↓"
+        outline: "action"
+        keysym: "Down"
+    Right:
+        label: "→"
+        outline: "action"
+        keysym: "Right"
+    Ctrl:
+        modifier: "Control"
+        outline: "small"
+        label: "Ctrl"
+    Alt:
+        modifier: "Alt"
+        outline: "small"
+        label: "Alt"

data/keyboards/ua.yaml

@@ -0,0 +1,94 @@
+---
+outlines:
+    default: { width: 32, height: 52 }
+    altline: { width: 32, height: 52 }
+    wide: { width: 57, height: 52 }
+    narrow: { width: 26, height: 52 }
+    spaceline: { width: 107, height: 52 }
+    fill: { width: 159, height: 52 }
+    special: { width: 42, height: 52 }
+
+views:
+    base:
+        - "й ц у к е н г ш щ з х"
+        - "ф і в а п р о л д ж є"
+        - "Shift_L  я ч с м и т ь б ю  BackSpace"
+        - "show_numbers preferences    ґ  space  ї  period Return"
+    upper:
+        - "Й Ц У К Е Н Г Ш Щ З Х"
+        - "Ф І В А П Р О Л Д Ж Є"
+        - "Shift_L   Я Ч С М И Т Ь Б Ю  BackSpace"
+        - "show_numbers preferences    Ґ  space  Ї  comma Return"
+    numbers:
+        - "1 2 3 4 5 6 7 8 9 0"
+        - "@ # $ % & - _ + ( )"
+        - "show_symbols   , \" ' colon ; ! ?  BackSpace"
+        - "show_letters preferences         space_fill   period Return"
+    symbols:
+        - "~ ` | · √ π τ ÷ × ¶"
+        - "© ® £ € ¥ ^ ° * { }"
+        - "show_numbers_from_symbols   \\ / < > = [ ]  BackSpace"
+        - "show_letters preferences         space_fill   period Return"
+
+buttons:
+    Shift_L:
+        action:
+            locking:
+                lock_view: "upper"
+                unlock_view: "base"
+        outline: "altline"
+        icon: "key-shift"
+    BackSpace:
+        outline: "altline"
+        icon: "edit-clear-symbolic"
+        action: erase
+    preferences:
+        action: show_prefs
+        outline: "special"
+        icon: "keyboard-mode-symbolic"
+    show_numbers:
+        action:
+            set_view: "numbers"
+        outline: "wide"
+        label: "123"
+    show_numbers_from_symbols:
+        action:
+            set_view: "numbers"
+        outline: "wide"
+        label: "123"
+    show_letters:
+        action:
+            set_view: "base"
+        outline: "wide"
+        label: "АБВ"
+    show_symbols:
+        action:
+            set_view: "symbols"
+        outline: "wide"
+        label: "*/="
+    period:
+        outline: "special"
+        text: "."
+    comma:
+        outline: "special"
+        text: ","
+    space:
+        outline: "spaceline"
+        text: " "
+    space_fill:
+        outline: "fill"
+        text: " "
+    Return:
+        outline: "wide"
+        icon: "key-enter"
+        keysym: "Return"
+    colon:
+        text: ":"
+    ґ:
+        outline: "narrow"
+    Ґ:
+        outline: "narrow"
+    ї:
+        outline: "narrow"
+    Ї:
+        outline: "narrow"

data/keyboards/us.yaml

@@ -39,9 +39,9 @@ buttons:
     BackSpace:
         outline: "altline"
         icon: "edit-clear-symbolic"
-        keysym: "BackSpace"
+        action: erase
     preferences:
-        action: "show_prefs"
+        action: show_prefs
         outline: "special"
         icon: "keyboard-mode-symbolic"
     show_numbers:

data/keyboards/us_wide.yaml

@@ -39,7 +39,7 @@ buttons:
     BackSpace:
         outline: "altline"
         icon: "edit-clear-symbolic"
-        keysym: "BackSpace"
+        action: "erase"
     preferences:
         action: "show_prefs"
         outline: "special"

data/langs/de-DE.txt

@@ -1,8 +0,0 @@
-us Englisch (US)
-de Deutsch
-el Griechisch
-es Spanisch
-it Italienisch
-jp+kana Japanisch (Kana)
-no Norwegisch
-

data/langs/en-US.txt

@@ -1,10 +1,2 @@
-us English (US)
-de German
-el Greek
-es Spanish
-fi Finnish
-it Italian
-jp+kana Japanese (kana)
-no Norwegian
-se Swedish
-
+emoji Emoji
+terminal Terminal

data/langs/ja-JP.txt

@@ -1,8 +0,0 @@
-us 英語 (US)
-de ドイツ語
-el ギリシャ語
-es スペイン語
-it イタリア語
-jp+kana 日本語 (かな)
-nb ノルウェー語
-

data/langs/pl-PL.txt

@@ -1,9 +1,2 @@
-us angielski (USA)
-de niemiecki
-el grecki
-es hiszpański
-fi fiński
-it włoski
-jp+kana japoński (kana)
-no norweski
-se szwedzki
+emoji emoji
+terminal terminal

data/langs/ru-RU.txt

@@ -0,0 +1,11 @@
+de Немецкий
+es Испанский
+fi Финский
+gr Греческий
+it Итальянский
+no Норвежский
+pl Польский
+ru Русский
+se Шведский
+terminal Терминал
+us Английский (США)

data/meson.build

@@ -7,13 +7,20 @@ squeekboard_resources = gnome.compile_resources(
    c_name: 'squeekboard',
 )
 
+desktopconf = configuration_data()
+desktopconf.set('bindir', bindir)
+
 desktop_file = 'sm.puri.Squeekboard.desktop'
 
 i18n.merge_file('desktop',
-    input: desktop_file + '.in',
+    input: configure_file(
+      input: desktop_file + '.in.in',
+      output: desktop_file + '.in',
+      configuration: desktopconf
+    ),
     output: desktop_file,
     po_dir: '../po',
     install: true,
-    install_dir: join_paths(datadir, 'applications'),
+    install_dir: desktopdir,
     type: 'desktop'
 )

data/sm.puri.Squeekboard.desktop.in.in

@@ -2,7 +2,7 @@
 Name=Squeekboard
 GenericName=Squeekboard Virtual Keyboard
 Comment=Virtual Keyboard
-Exec=squeekboard
+Exec=@bindir@/squeekboard
 Terminal=false
 Type=Application
 NoDisplay=true

data/style-Adwaita:dark.css

@@ -2,6 +2,7 @@ sq_view {
     background-color: rgba(0, 0, 0, 255);
     color: #ffffff;
     font-family: cantarell, sans-serif;
+    font-size: 25px;
 }
 
 sq_view sq_button {
@@ -35,6 +36,14 @@ sq_button.locked {
     color: #2b292f;
 }
 
+sq_button.action {
+    font-size: 0.75em;
+}
+
+sq_button.small {
+    font-size: 0.5em;
+}
+
 #Return {
     background: #1c71d8;
     border-color: #1a5fb4;

data/style.css

@@ -2,6 +2,7 @@ sq_view {
     background-color: @theme_base_color; /*rgba(0, 0, 0, 255);*/
     color: @theme_text_color; /*#ffffff;*/
     font-family: cantarell, sans-serif;
+    font-size: 25px;
 }
 
 sq_view sq_button {
@@ -38,6 +39,14 @@ sq_button.locked {
     color: @theme_bg_color; /*#2b292f;*/
 }
 
+sq_button.action {
+    font-size: 0.75em;
+}
+
+sq_button.small {
+    font-size: 0.5em;
+}
+
 #Return {
     background: @theme_selected_bg_color; /* #1c71d8; */
     border-color: @borders; /*#1a5fb4;*/

debian/changelog

@@ -1,3 +1,197 @@
+squeekboard (1.9.3) amber-phone; urgency=medium
+
+  [ Björn Tantau ]
+  * Show more useful keys at the same time.
+  * Add Ctrl and Alt modifier keys.
+  * Add missing Ê key.
+  * Make f-keys slightly wider.
+  * Add Menu key.
+
+  [ Guido Günther ]
+  * d/rules: Only remove Cargo.lock if it exists
+  * eek: Drop libcanberra usage
+  * debian: Build-depend on libfeedback
+  * eek-gtk-keyboard: Trigger event feedback on button press (Closes: #166)
+
+  [ Dorota Czaplejewicz ]
+  * build: Add missing gio-unix dependency
+  * build: Make compatible with Debian Bullseye
+  * debian: Add amber to legacy distro list
+  * ci: Add amber job
+  * debian: Require lsb-release
+  * size: Hardcode size to work around screen rotation
+  * ci: Re-add x64 Buster build
+  * italian: Fix space and period
+
+  [ Sebastian Krzyszkowiak ]
+  * Revert "Merge branch 'btantau-master-patch-76686' into 'master'"
+  * Terminal layout: another approach
+
+  [ Luís Fernando Stürmer da Rosa ]
+  * Brazilian Portuguese Keyboard Layout.
+
+ -- Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>  Wed, 05 Aug 2020 16:16:08 +0200
+
+squeekboard (1.9.2) amber-phone; urgency=medium
+
+  [ Dorota Czaplejewicz ]
+  * keyboard: Remove unused code
+  * gsettings: Don't crash when unavailable
+  * dbus: Don't crash if can't make a connection
+  * gsettings: Don't crash on switching when unavailable
+  * layout: Split out choice to a struct on its own
+  * renderer: Simplify by dropping gobjectness
+  * levelkeyboard: Rearrange to make future conversion easier
+  * layout: Minor generalizations
+  * Remove unused code
+  * sizing: Create a standalone UI shape manager
+  * sizing: Ignore scaling factor for layout selection
+  * CI: Fix typo
+  * Update rust deps for release
+
+  [ Andreas Rönnquist ]
+  * Swedish keyboard, wide button switching between numbers, symbols and base
+  * More fixes of button sizes
+  * Folder is doc, not docs
+
+  [ uzanto ]
+  * Add new file
+  * Replace duplicated show_symbols by show_eschars and removed "Delete" button that it's doing nothing
+
+  [ Arnaud Ferraris ]
+  * keyboards: fr: fix keyboard layout
+  * keyboards: fr: make sure the layout fits the screen
+  * resources: include French keyboard layout
+  * keyboards: fr: improve consistency with other layouts
+  * keyboards: fr: improve diacritics layout
+  * tests: add french layout
+
+  [ Vlad ]
+  * Fresh Russian layout
+
+  [ Jordi Masip ]
+  * Removed unused dependency 'libcroco'
+
+  [ Florian Klink ]
+  * sm.puri.Squeekboard.desktop: make path to Exec= absolute
+
+  [ Ole Guldberg ]
+  * Danish keyboard layout
+  * Danish keyboard layout
+  * add test for danish layout
+
+ -- Dorota Czaplejewicz <dorota.czaplejewicz@puri.sm>  Mon, 01 Jun 2020 09:39:12 +0000
+
+squeekboard (1.9.1) amber-phone; urgency=medium
+
+  [ Dorota Czaplejewicz ]
+  * layout: Improve press handling
+  * settings: Handle empty settings
+  * Variant: Use proper pointer conversion between C and Rust
+  * meta: Add doap file
+  * modifiers: Support Control and Alt
+  * CI: Test that any bump to changelog has a corresponding tag
+  * docs: Add the guiding principle
+  * hacking: Move into docs/
+
+  [ &t ]
+  * Fix minor comment typos
+
+  [ Dorota Czaplejewicz ]
+  * cargo: Bump package versions before release
+
+ -- Dorota Czaplejewicz <dorota.czaplejewicz@puri.sm>  Sun, 08 Mar 2020 10:04:29 +0000
+
+squeekboard (1.9.0) amber-phone; urgency=medium
+
+  [ Dorota Czaplejewicz ]
+  * imservice: Add commit_string method
+  * submission: Handle submitting strings
+  * input_method: Use for erasing
+  * logging: Use in merged functions
+  * translations: Remove redundant ones
+  * translations: Translate builtin layouts
+  * greek: Rename to gr which is used by gnome settings
+
+  [ Sebastian Krzyszkowiak ]
+  * layouts: Add Polish layouts
+
+  [ Dorota Czaplejewicz ]
+  * locks: Draw based on current view
+  * locking: Lock keys statelessly
+  * layouts: Better accented uppercase in PL
+  * emoji: Add more choices
+  * row: Eliminate angle
+  * layout: Center views relative to each other and the layout bounds
+  * drawing: Generalized foreach_visible_button
+  * variant: Fix double-free
+  * variant: Fix leak
+  * keyboard_layout: Fix leak
+  * layout: Improve scoping of locked variable
+  * terminal: Make */ easier to reach
+
+  [ Sebastian Krzyszkowiak ]
+  * layouts: terminal: Use altline outline for dot key
+
+  [ Dorota Czaplejewicz ]
+  * text input: Disable erasing
+  * cargo: Update deps
+
+ -- Dorota Czaplejewicz <dorota.czaplejewicz@puri.sm>  Wed, 19 Feb 2020 14:32:39 +0000
+
+squeekboard (1.8.1) amber-phone; urgency=medium
+
+  [ Dorota Czaplejewicz ]
+  * action: Rename Level to View
+  * keyboard: Introduce a KeyCode type wrapping u32
+  * layout: Centralize handling key releases
+  * layout: Make handling presses uniform
+  * UI: Drop indirection for show/hide functions
+  * managers: Move visible flag to UI manager
+  * dbus_service: Remove unused function
+  * dbus: Remove unneeded gobjectness
+  * dbus: Rename handler from eekboard_service
+  * context: Moved keymap setting together with its generation
+  * key-emitter: Remove unused
+  * eekboard_context_service: Drop unused enable property
+  * services: Split out layout management from EekboardContextService
+  * submission: Move away from virtual-keyboard
+  * submission: Create a new wrapper over imservice
+  * imservice: Limited scope of unsafe
+  * EekGtkKeyboard: Use a direct reference to EekboardContext
+  * submission: Take over virtual_keyboard handling
+  * keyboard: Cleanups of unused code
+  * levelkeyboard: Drop unused manager references
+  * keyboard: Gather up keymap handling, drop layout
+  * submission: Remove wildcard reexport
+  * imservice: Rename commit_state to done to match protocol
+  * ci: Clean up `..` before it's searched for artifacts
+  * dbus: Log error on dbus exit
+  * logging: Try to improve common operations
+  * imservice: Return something more resembling an Error on failure
+  * logging: Unified to remove random eprint calls
+  * press_key: Use proper logging
+  * number: Fix keysym for Return
+  * build: Strip clap of optional features
+  * layouts: Fix segfault on switching to wide
+  * font: Use font from style context
+  * font: Only pass relevant data to label renderer
+
+  [ Sebastian Krzyszkowiak ]
+  * layout: terminal: Swap positions of preferences and actions button
+  * layout: terminal: Show actions button on all views
+  * layout: terminal: Replace actions button with period on symbols view
+
+  [ Dorota Czaplejewicz ]
+  * setup: Connect ui to the state manager
+  * debian: Add missing commas
+
+  [ David Boddie ]
+  * Tidy build file and docs
+  * Use pip to install recommonmark
+
+ -- Dorota Czaplejewicz <dorota.czaplejewicz@puri.sm>  Fri, 31 Jan 2020 09:59:12 +0000
+
 squeekboard (1.8.0) amber-phone; urgency=medium
 
   [ Dorota Czaplejewicz ]

debian/check_release.py

@@ -0,0 +1,10 @@
+#!/usr/bin/env python3
+
+"""Checks tag before release.
+Feed it the first changelog line, and then all available tags.
+"""
+
+import re, sys
+tag = "v" + re.findall("\\((.*)\\)", input())[0]
+if tag not in map(str.strip, sys.stdin.readlines()):
+    raise Exception("Changelog's current version doesn't have a tag. Push the tag!")

debian/control

@@ -11,7 +11,7 @@ Build-Depends:
  libglib2.0-dev,
  libgnome-desktop-3-dev,
  libgtk-3-dev,
- libcroco3-dev,
+ libfeedback-dev,
  librust-bitflags-1-dev (>= 1.0),
  librust-clap-2+default-dev (>= 2.32),
  librust-gio+v2-44-dev,
@@ -25,6 +25,7 @@ Build-Depends:
  librust-serde-yaml-0.8-dev (>= 0.8),
  librust-xkbcommon-0.4+wayland-dev (>= 0.4),
  libwayland-dev (>= 1.16),
+ lsb-release,
  rustc,
  wayland-protocols (>= 1.14),
 Standards-Version: 4.1.3
@@ -35,8 +36,10 @@ Architecture: linux-any
 Depends:
 # for the Adwaita-dark theme
  gnome-themes-extra-data,
- ${shlibs:Depends}
- ${misc:Depends}
+ ${shlibs:Depends},
+ ${misc:Depends},
+Breaks:
+ librem5-base (<< 24),
 Description: On-screen keyboard for Wayland
  Virtual keyboard supporting Wayland, built primarily for the Librem 5 phone.
 
@@ -45,8 +48,8 @@ Architecture: linux-any
 Depends:
  python3,
  python3-gi,
- ${shlibs:Depends}
- ${misc:Depends}
+ ${shlibs:Depends},
+ ${misc:Depends},
 Description: Resources for making Squeekboard layouts
  Tools for creating and testing Squeekboard layouts:
  .

debian/rules

@@ -3,13 +3,20 @@
 export CARGO_HOME = $(CURDIR)/debian/cargo
 export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 
+distrel := $(shell lsb_release --codename --short)
+ifneq (,$(filter $(distrel),buster amber))
+	legacy = true
+else
+	legacy = false
+endif
+
 %:
 	dh $@ --builddirectory=_build --buildsystem=meson
 
 # The Debian version of linked-hash-map doesn't provide any hash,
 # causing Cargo to refuse to build with a crates.io copy
-build-arch:
-	rm Cargo.lock
-	dh $@ --builddirectory=_build --buildsystem=meson
+override_dh_auto_configure:
+	[ ! -f Cargo.lock ] || rm Cargo.lock
+	dh_auto_configure -- -Dlegacy=$(legacy)
 
 override_dh_autoreconf:

doc/build.sh

@@ -12,6 +12,10 @@ TARGET_DIR="${1:-./}"
 
 SPHINX=sphinx-build
 
+if [ ! -d $DOCS_DIR/_static ]; then
+    mkdir -p $DOCS_DIR/_static
+fi
+
 if ! which sphinx-build ; then
     SPHINX=sphinx-build-3
 fi

doc/hacking.md

@@ -3,15 +3,47 @@ Hacking
 
 This document describes the standards for modifying and maintaining the *squeekboard* project.
 
+Principles
+----------
+
+The project was built upon some guiding principles, which should be respected primarily by the maintainers, but also by contributors to avoid needlessly rejected changes.
+
+The overarching principle of *squeekboard* is to empower users.
+
+Software is primarily meant to solve problems of its users. Often in the quest to make software better, a hard distinction is made between the developer, who becomes the creator, and the user, who takes the role of the consumer, without direct influence on the software they use.
+This project aims to give users the power to make the software work for them by blurring the lines between users and developers.
+
+Notwithstanding its current state, *squeekboard* must be structured in a way that provides users a gradual way to gain more experience and power to adjust it. It must be easy, in order of importance:
+
+- to use the software,
+- to modify its resources,
+- to change its behavior,
+- to contribute upstream.
+
+To give an idea of what it means in practice, those are some examples of what has been important for *squeekboard* so far:
+
+- being quick and usable,
+- allowing local overrides of resources and config,
+- storing resources and config as editable, standard files,
+- having complete, up to date documentation of interfaces,
+- having an easy process of sending contributions,
+- adapting to to user's settings and constrains without overriding them,
+- avoiding compiling whenever possible,
+- making it easy to build,
+- having code that is [simple and obvious](https://www.python.org/dev/peps/pep-0020/),
+- having an easy process of testing and accepting contributions.
+
+You may notice that they are ordered roughly from "user-focused" to "maintainer-focused". While good properties are desired, sometimes they conflict, and maintainers should give additional weight to those benefiting the user compared to those benefiting regular contributors.
+
 Sending patches
 ---------------
 
-By submitting a change to this project, you agree to license it under the [GPL license version 3](./COPYING), or any later version. You also certify that your contribution fulfills the [Developer's Certificate of Origin 1.1](./dco.txt).
+By submitting a change to this project, you agree to license it under the [GPL license version 3](https://source.puri.sm/Librem5/squeekboard/blob/master/COPYING), or any later version. You also certify that your contribution fulfills the [Developer's Certificate of Origin 1.1](https://source.puri.sm/Librem5/squeekboard/blob/master/dco.txt).
 
 Development environment
 -----------------------
 
-*Squeekboard* is regularly built and tested on [the develpment environment](https://developer.puri.sm/Librem5/Development_Environment.html).
+*Squeekboard* is regularly built and tested on [the development environment](https://developer.puri.sm/Librem5/Development_Environment.html).
 
 Recent Fedora releases are likely to be tested as well.
 
@@ -24,8 +56,7 @@ sudo apt-get -y install build-essential
 sudo apt-get -y build-dep .
 ```
 
-For an explicit list of dependencies check the `Build-Depends` entry in the
-[`debian/control`](./debian/control) file.
+For an explicit list of dependencies check the `Build-Depends` entry in the [`debian/control`](https://source.puri.sm/Librem5/squeekboard/blob/master/debian/control) file.
 
 Testing
 -------
@@ -131,7 +162,7 @@ Maintenance
 
 Squeekboard uses Rust & Cargo for some of its dependencies.
 
-Use the `cargo.sh` script for maintaining the Cargo part of the build. The script takes the usual Cargo commands, after the first 2 positionsl arguments: source directory, and output artifact. So, `cargo test` becomes:
+Use the `cargo.sh` script for maintaining the Cargo part of the build. The script takes the usual Cargo commands, after the first 2 positional arguments: source directory, and output artifact. So, `cargo test` becomes:
 
 ```
 cd build_dir
@@ -144,10 +175,11 @@ All Cargo dependencies must be selected in the version available in PureOS, and
 
 Dependencies must be specified in `Cargo.toml` with 2 numbers: "major.minor". Since bugfix version number is meant to not affect the interface, this allows for safe updates.
 
-`Cargo.lock` is used for remembering the revisions of all Rust dependencies. It should be updated often, preferably with each bugfix revision, and in a commit on its own:
+`Cargo.lock` is used for remembering the revisions of all Rust dependencies. It must correspond to the default dependency configuration: without flags to use older or newer versions of dependencies. It should be updated often, preferably with each bugfix revision, and in a commit on its own:
 
 ```
 cd build_dir
+ninja build src/Cargo.toml
 sh /source_path/cargo.sh update
 ninja test
 ```

doc/index.md

@@ -5,17 +5,23 @@ Contents
 --------
 
 * [Tutorial](tutorial.md)
+* [Contributing](hacking.md)
 
 Introduction
 ------------
 
-Squeekboard is the on-screen keyobard for the Librem 5 phone. For more information, look at the [README](https://source.puri.sm/Librem5/squeekboard/blob/master/README.md).
+Squeekboard is the on-screen keyboard for the Librem 5 phone. For information about building, look at the [README](https://source.puri.sm/Librem5/squeekboard/blob/master/README.md).
 
 Layouts
 -------
 
-Squeekboard allows user-provided keyboard layouts. They can be created without recompiling the keyboard code. The tutorial](/tutorial.md) explains the process in detail.
+Squeekboard allows user-provided keyboard layouts. They can be created without recompiling the keyboard code. The [tutorial](tutorial.md) explains the process in detail.
 
 Layouts are created using a text-based format, based on YAML.
 
 TODO: Provide a description of the format.
+
+Contributions
+-------------
+
+Anyone is free to modify *squeekboard*. See the [contributing document](hacking.md).

doc/tutorial.md

@@ -1,53 +1,92 @@
-Kareema's guide to creating layouts
-===================================
+A guide to creating layouts
+===========================
 
-It’s long overdue to write a comprehensive guide how to add a keyboard layout from start. But unfortunately, I don’t have much time left ATM. A lot of information can be found in [this ](https://forums.puri.sm/t/using-non-latin-language-on-librem-5/7103/5) thread.
+This guide is based on the original Kareema's [forum post](https://forums.puri.sm/t/translations-and-virtual-touch-keyboards-tracking-localization/7669/48).
 
-So at least I will try to start writing a short how-to here and edit this post as I find the time. Hope this helps a bit - comments and corrections welcome.
+It’s long overdue to write a comprehensive guide how to add a keyboard layout from start. But unfortunately, I don’t have much time left ATM. A lot of information can be found in [this](https://forums.puri.sm/t/using-non-latin-language-on-librem-5/7103/5) thread.
 
-**Get one of the existing keyboard layouts**
+So at least I will try to start writing a short how-to here and edit this post as I find the time. Hope this helps a bit - comments and corrections [welcome](https://source.puri.sm/Librem5/squeekboard/-/merge_requests/)
 
-* You can get one of the keyboards from the squeekboard git repository : [https://source.puri.sm/Librem5/squeekboard ](https://source.puri.sm/Librem5/squeekboard)
-* The keyboard layouts are located in the subdirectory `data/keyboard/` in the `.yaml` files
+## Creating a new layout
+
+Creating a layout is easy. You don't need to recompile things, just edit and test. It's easiest to start with an existing layout.
+
+### Get one of the existing keyboard layouts
+
+* You can get one of the keyboards from the squeekboard git repository : [https://source.puri.sm/Librem5/squeekboard](https://source.puri.sm/Librem5/squeekboard)
+* The keyboard layouts are located in the subdirectory [`data/keyboards/`](https://source.puri.sm/Librem5/squeekboard/-/tree/master/data/keyboards) in the `.yaml` files
 * Take a look and try to understand them :slight_smile:
 
-**Fork your own copy of squeekboard**
+
+### Creating the keyboard layout
+
+* To be written: For the time being, take a look at [Using non-latin language on Librem 5](https://forums.puri.sm/t/using-non-latin-language-on-librem-5/7103/5)
+* The correct name of the .yaml file can be found with the command 
+
+```
+gsettings get org.gnome.desktop.input-sources sources
+```
+
+The output should be something like this: `[('xkb', 'us'), ('xkb', 'de')]`
+So for example “de.yaml” would be the correct name for the German keyboard layout.
+
+If the name of your layout is not translated correctly in the list, you can fix it by adding it and recompiling Squeekboard.
+
+### Testing the layout
+
+Copy your yaml file to `~/.local/share/squeekboard/keyboards/` for testing purposes. From there it should get picked up by squeekboard automatically.
+
+You can also use the `test_layout` tool from the -devel package to check it for errors:
+
+```
+# squeekboard_test_layout ./mylayout.yaml
+Test result: OK
+```
+
+## Contributing your changes
+
+If you want to share your layout with the world, the best way is to submit it to the Squeekboard project. The workflow is similar to any other Gitlab-based project.
+
+Above all, your layout should be working, be tested, not break anything, and make sense.
+
+### Fork your own copy of squeekboard
 
 * Best way would be to start with a fork of the squeekboard repository: Create a user account at https://source.puri.sm/, go the the squeekboard git repository, press “Fork” in the web interface. You can find further instructions [here](https://docs.gitlab.com/ee/user/project/repository/forking_workflow.html#creating-a-fork).
 * Clone your fork locally with `git clone` and use the uri of your forked repo there
 
-**Workflow to edit your keyboard and get it merged**
+### Edit your keyboard and get it merged
 
-* A generic guide how the workflow to contribute works, can be found at https://developer.puri.sm/Librem5/Contact/Contributing.html
+* It may be useful to check out the [generic guide how the workflow to contribute works](https://developer.puri.sm/Librem5/Contact/Contributing.html)
 * Create a branch: Name it “keyboard-layout-mylanguage” or whatever
 * Checkout your branch, edit your keyboard layout and commit your changes
+* Your layout **must** be correctly named, and in `data/keyboards/`.
+* Your layout **must** pass the `test_layout` tool with zero problems.
+* Your translation **must** be correctly named, and in `data/langs/`.
+* Your layout or translation **must** be added to automatic tests. **Don’t forget to add it** to `src/resources.rs` and the layout to `tests/meson.build` (that’s for me, because I always forget it).
+
+### Get it merged
+
+It's always recommended to **compile and run** squeekboard before submitting your changes. This serves as a test that all is working. See instructions in the [compiling section](#compiling-and-running-squeekboard).
+
 * Push the local changes (to the branch of your fork of squeekboard)
 * Create a merge request for the branch to get your changes merged to the official squeekboard git repository
 
-**Compile squeekboard**
+If your changes pass automated tests (CI), then the merge request will be reviewed by the maintainers, and you might be asked to change a thing or two.
 
-* Follow the instructions found in “Building” section of the squeekboard’s README: Running squeekboard: [https://source.puri.sm/Librem5/squeekboard/blob/master/README.md#building ](https://source.puri.sm/Librem5/squeekboard/blob/master/README.md#building)
+## Compiling and running Squeekboard
 
-**Running squeekboard**
+If you want your change to become part of official Squeekboard, or if you want to add a translation of your layout name, you will have to recompile Squeekboard and test your changes there.
 
-* Follow these instructions to run squeekboard: [https://source.puri.sm/Librem5/squeekboard/blob/master/README.md#running ](https://source.puri.sm/Librem5/squeekboard/blob/master/README.md#running)
-* Additionally take a look at https://source.puri.sm/Librem5/squeekboard/blob/master/HACKING.md#testing
-* You can either test it locally on your Linux system or use the [QEMU Librem 5 image ](https://developer.puri.sm/Librem5/Development_Environment/Boards/emulators.html)
+### Compile squeekboard
+
+* Follow the instructions found in “Building” section of the squeekboard’s README: Running squeekboard: [https://source.puri.sm/Librem5/squeekboard/blob/master/README.md#building](https://source.puri.sm/Librem5/squeekboard/blob/master/README.md#building)
+
+### Run squeekboard
+
+* Follow these instructions to run squeekboard: [https://source.puri.sm/Librem5/squeekboard/blob/master/README.md#running](https://source.puri.sm/Librem5/squeekboard/blob/master/README.md#running)
+* Additionally take a look at the contribution document for [testing info](HACKING.md#testing)
+* You can either test it locally on your Linux system or use the [QEMU Librem 5 image](https://developer.puri.sm/Librem5/Development_Environment/Boards/emulators.html)
 * To test squeekboard locally, you need phoc. Either compile that from the sources as well or use the CI repository ci.puri.sm for Debian based systems:
-`deb [arch=amd64] http://ci.puri.sm/ scratch librem5`
+  `deb [arch=amd64] http://ci.puri.sm/ scratch librem5`
+
 Squeekboard can be installed from there as a Debian package, too (that’s what I often do). But beware - there be dragons! You could bork your system with these packages and you should probably disable this repository again after installing what you need - these packages are not meant for production systems (or so I heard :wink: )
-
-**Creating the keyboard layout**
-
-* To be written: For the time being, take a look at [Using non-latin language on Librem 5 ](https://forums.puri.sm/t/using-non-latin-language-on-librem-5/7103/5)
-* The correct name of the .yaml file can be found with the command `gsettings get org.gnome.desktop.input-sources sources`
-The output should be something like this: `[('xkb', 'us'), ('xkb', 'de')]`
-So f.ex. “de.yaml” would be the correct name for the German keyboard layout.
-* The translations for the keyboard layout names in the different languages can be found at `data/langs/`
-* Don’t forget to add your newly created layout or translation to `src/resources.rs` and the layout to `tests/meson.build` (that’s for me, because I always forget it)
-
-**Testing the layout**
-
-* Copy your yaml file to `~/.local/share/squeekboard/keyboards/` for testing purposes. From there it should get picked up by squeekboard
-* To test the translations in `data/langs/` , you have to compile squeekboard
-

eek/eek-element.h

@@ -38,8 +38,6 @@ struct _EekElementClass
     GObjectClass parent_class;
 };
 
-GType        eek_element_get_type              (void) G_GNUC_CONST;
-
 void         eek_element_set_name              (EekElement  *element,
                                                 const gchar *name);
 

eek/eek-gtk-keyboard.c

@@ -25,10 +25,6 @@
 
 #include "config.h"
 
-#ifdef HAVE_LIBCANBERRA
-#include <canberra-gtk.h>
-#endif
-
 #include <math.h>
 #include <string.h>
 
@@ -39,24 +35,24 @@
 
 #include "eekboard/eekboard-context-service.h"
 #include "src/layout.h"
+#include "src/submission.h"
 
-enum {
-    PROP_0,
-    PROP_LAST
-};
+#define LIBFEEDBACK_USE_UNSTABLE_API
+#include <libfeedback.h>
 
-/* since 2.91.5 GDK_DRAWABLE was removed and gdk_cairo_create takes
-   GdkWindow as the argument */
-#ifndef GDK_DRAWABLE
-#define GDK_DRAWABLE(x) (x)
-#endif
+#define SQUEEKBOARD_APP_ID "sm.puri.squeekboard"
 
 typedef struct _EekGtkKeyboardPrivate
 {
-    EekRenderer *renderer;
-    LevelKeyboard *keyboard; // unowned reference; it's kept in server-context (FIXME)
+    EekRenderer *renderer; // owned, nullable
+    EekboardContextService *eekboard_context; // unowned reference
+    struct submission *submission; // unowned reference
+
+    struct squeek_layout_state *layout; // unowned
+    LevelKeyboard *keyboard; // unowned reference; it's kept in server-context
 
     GdkEventSequence *sequence; // unowned reference
+    LfbEvent *event;
 } EekGtkKeyboardPrivate;
 
 G_DEFINE_TYPE_WITH_PRIVATE (EekGtkKeyboard, eek_gtk_keyboard, GTK_TYPE_DRAWING_AREA)
@@ -85,31 +81,57 @@ eek_gtk_keyboard_real_draw (GtkWidget *self,
     GtkAllocation allocation;
     gtk_widget_get_allocation (self, &allocation);
 
+    if (!priv->keyboard) {
+        return FALSE;
+    }
+
     if (!priv->renderer) {
         PangoContext *pcontext = gtk_widget_get_pango_context (self);
 
-        priv->renderer = eek_renderer_new (priv->keyboard, pcontext);
+        priv->renderer = eek_renderer_new (
+                    priv->keyboard,
+                    pcontext);
 
         eek_renderer_set_allocation_size (priv->renderer,
+                                          priv->keyboard->layout,
                                           allocation.width,
                                           allocation.height);
         eek_renderer_set_scale_factor (priv->renderer,
                                        gtk_widget_get_scale_factor (self));
     }
 
-    eek_renderer_render_keyboard (priv->renderer, cr);
+    eek_renderer_render_keyboard (priv->renderer, priv->submission, cr, priv->keyboard);
     return FALSE;
 }
 
+// Units of virtual pixels size
+static enum squeek_arrangement_kind get_type(uint32_t width, uint32_t height) {
+    (void)height;
+    if (width < 540) {
+        return ARRANGEMENT_KIND_BASE;
+    }
+    return ARRANGEMENT_KIND_WIDE;
+}
+
 static void
 eek_gtk_keyboard_real_size_allocate (GtkWidget     *self,
                                      GtkAllocation *allocation)
 {
     EekGtkKeyboardPrivate *priv =
         eek_gtk_keyboard_get_instance_private (EEK_GTK_KEYBOARD (self));
+    // check if the change would switch types
+    enum squeek_arrangement_kind new_type = get_type(
+                (uint32_t)(allocation->width - allocation->x),
+                (uint32_t)(allocation->height - allocation->y));
+    if (priv->layout->arrangement != new_type) {
+        priv->layout->arrangement = new_type;
+        uint32_t time = gdk_event_get_time(NULL);
+        eekboard_context_service_use_layout(priv->eekboard_context, priv->layout, time);
+    }
 
     if (priv->renderer)
         eek_renderer_set_allocation_size (priv->renderer,
+                                          priv->keyboard->layout,
                                           allocation->width,
                                           allocation->height);
 
@@ -117,12 +139,28 @@ eek_gtk_keyboard_real_size_allocate (GtkWidget     *self,
         size_allocate (self, allocation);
 }
 
+static void
+on_event_triggered (LfbEvent      *event,
+                    GAsyncResult  *res,
+                    gpointer      unused)
+{
+    g_autoptr (GError) err = NULL;
+
+    if (!lfb_event_trigger_feedback_finish (event, res, &err)) {
+        g_warning ("Failed to trigger feedback for '%s': %s",
+                   lfb_event_get_event (event), err->message);
+    }
+}
+
 static void depress(EekGtkKeyboard *self,
                     gdouble x, gdouble y, guint32 time)
 {
     EekGtkKeyboardPrivate *priv = eek_gtk_keyboard_get_instance_private (self);
-
-    squeek_layout_depress(priv->keyboard->layout, priv->keyboard->manager->virtual_keyboard,
+    if (!priv->keyboard) {
+        return;
+    }
+    squeek_layout_depress(priv->keyboard->layout,
+                          priv->submission,
                           x, y, eek_renderer_get_transformation(priv->renderer), time, self);
 }
 
@@ -130,18 +168,25 @@ static void drag(EekGtkKeyboard *self,
                  gdouble x, gdouble y, guint32 time)
 {
     EekGtkKeyboardPrivate *priv = eek_gtk_keyboard_get_instance_private (self);
-    squeek_layout_drag(priv->keyboard->layout, priv->keyboard->manager->virtual_keyboard,
+    if (!priv->keyboard) {
+        return;
+    }
+    squeek_layout_drag(eekboard_context_service_get_keyboard(priv->eekboard_context)->layout,
+                       priv->submission,
                        x, y, eek_renderer_get_transformation(priv->renderer), time,
-                       priv->keyboard->manager, self);
+                       priv->eekboard_context, self);
 }
 
 static void release(EekGtkKeyboard *self, guint32 time)
 {
     EekGtkKeyboardPrivate *priv = eek_gtk_keyboard_get_instance_private (self);
-
-    squeek_layout_release(priv->keyboard->layout, priv->keyboard->manager->virtual_keyboard,
+    if (!priv->keyboard) {
+        return;
+    }
+    squeek_layout_release(eekboard_context_service_get_keyboard(priv->eekboard_context)->layout,
+                          priv->submission,
                           eek_renderer_get_transformation(priv->renderer), time,
-                          priv->keyboard->manager, self);
+                          priv->eekboard_context, self);
 }
 
 static gboolean
@@ -229,7 +274,8 @@ eek_gtk_keyboard_real_unmap (GtkWidget *self)
 
     if (priv->keyboard) {
         squeek_layout_release_all_only(
-            priv->keyboard->layout, priv->keyboard->manager->virtual_keyboard,
+            priv->keyboard->layout,
+            priv->submission,
             gdk_event_get_time(NULL));
     }
 
@@ -257,18 +303,24 @@ eek_gtk_keyboard_dispose (GObject *object)
     EekGtkKeyboardPrivate *priv = eek_gtk_keyboard_get_instance_private (self);
 
     if (priv->renderer) {
-        g_object_unref (priv->renderer);
+        eek_renderer_free(priv->renderer);
         priv->renderer = NULL;
         priv->renderer = NULL;
     }
 
     if (priv->keyboard) {
         squeek_layout_release_all_only(
-            priv->keyboard->layout, priv->keyboard->manager->virtual_keyboard,
+            priv->keyboard->layout,
+            priv->submission,
             gdk_event_get_time(NULL));
         priv->keyboard = NULL;
     }
 
+    if (priv->event) {
+        g_clear_object (&priv->event);
+        lfb_uninit ();
+    }
+
     G_OBJECT_CLASS (eek_gtk_keyboard_parent_class)->dispose (object);
 }
 
@@ -300,26 +352,80 @@ eek_gtk_keyboard_class_init (EekGtkKeyboardClass *klass)
 static void
 eek_gtk_keyboard_init (EekGtkKeyboard *self)
 {
-    (void)self;
+    EekGtkKeyboardPrivate *priv = eek_gtk_keyboard_get_instance_private (EEK_GTK_KEYBOARD (self));
+    g_autoptr(GError) err = NULL;
+
+    if (lfb_init(SQUEEKBOARD_APP_ID, &err))
+        priv->event = lfb_event_new ("button-pressed");
+    else
+        g_warning ("Failed to init libfeedback: %s", err->message);
+
+    GtkIconTheme *theme = gtk_icon_theme_get_default ();
+
+    gtk_icon_theme_add_resource_path (theme, "/sm/puri/squeekboard/icons");
+}
+
+static void
+on_notify_keyboard (GObject              *object,
+                    GParamSpec           *spec,
+                    EekGtkKeyboard *self) {
+    (void)spec;
+    EekGtkKeyboardPrivate *priv = (EekGtkKeyboardPrivate*)eek_gtk_keyboard_get_instance_private (self);
+    priv->keyboard = eekboard_context_service_get_keyboard(EEKBOARD_CONTEXT_SERVICE(object));
+    if (priv->renderer) {
+        eek_renderer_free(priv->renderer);
+    }
+    priv->renderer = NULL;
+    gtk_widget_queue_draw(GTK_WIDGET(self));
 }
 
 /**
- * eek_gtk_keyboard_new:
- * @keyboard: an #EekKeyboard
- *
  * Create a new #GtkWidget displaying @keyboard.
  * Returns: a #GtkWidget
  */
 GtkWidget *
-eek_gtk_keyboard_new (LevelKeyboard *keyboard)
+eek_gtk_keyboard_new (EekboardContextService *eekservice,
+                      struct submission *submission,
+                      struct squeek_layout_state *layout)
 {
     EekGtkKeyboard *ret = EEK_GTK_KEYBOARD(g_object_new (EEK_TYPE_GTK_KEYBOARD, NULL));
     EekGtkKeyboardPrivate *priv = (EekGtkKeyboardPrivate*)eek_gtk_keyboard_get_instance_private (ret);
-    priv->keyboard = keyboard;
+    priv->eekboard_context = eekservice;
+    priv->submission = submission;
+    priv->layout = layout;
+    priv->renderer = NULL;
+    g_signal_connect (eekservice,
+                      "notify::keyboard",
+                      G_CALLBACK(on_notify_keyboard),
+                      ret);
+    on_notify_keyboard(G_OBJECT(eekservice), NULL, ret);
+    /* TODO: this is how a compound keyboard
+     * made out of a layout and a suggestion bar could start.
+     * GtkBox *box = GTK_BOX(gtk_box_new(GTK_ORIENTATION_VERTICAL, 0));
+    GtkEntry *fill = GTK_ENTRY(gtk_entry_new());
+    gtk_box_pack_start(box, GTK_WIDGET(fill), FALSE, FALSE, 0);
+    gtk_box_pack_start(box, GTK_WIDGET(ret), TRUE, TRUE, 0);
+    return GTK_WIDGET(box);*/
     return GTK_WIDGET(ret);
 }
 
-EekRenderer *eek_gtk_keyboard_get_renderer(EekGtkKeyboard *self) {
-    EekGtkKeyboardPrivate *priv = eek_gtk_keyboard_get_instance_private (self);
-    return priv->renderer;
+/**
+ * eek_gtk_keyboard_emit_feedback:
+ *
+ * Emit button press haptic feedback via libfeedack.
+ */
+void
+eek_gtk_keyboard_emit_feedback (EekGtkKeyboard *self)
+{
+    EekGtkKeyboardPrivate *priv;
+
+    g_return_if_fail (EEK_IS_GTK_KEYBOARD (self));
+
+    priv = eek_gtk_keyboard_get_instance_private (EEK_GTK_KEYBOARD (self));
+    if (priv->event) {
+        lfb_event_trigger_feedback_async (priv->event,
+                                          NULL,
+                                          (GAsyncReadyCallback)on_event_triggered,
+                                          NULL);
+    }
 }

eek/eek-gtk-keyboard.h

@@ -28,7 +28,10 @@
 #include <glib.h>
 #include <gtk/gtk.h>
 
-typedef struct _LevelKeyboard LevelKeyboard; // including causes weird bugs
+#include "eek/eek-types.h"
+
+struct submission;
+struct squeek_layout_state;
 
 G_BEGIN_DECLS
 #define EEK_TYPE_GTK_KEYBOARD (eek_gtk_keyboard_get_type())
@@ -44,8 +47,8 @@ struct _EekGtkKeyboardClass
     gpointer pdummy[24];
 };
 
-GType      eek_gtk_keyboard_get_type  (void) G_GNUC_CONST;
-GtkWidget *eek_gtk_keyboard_new       (LevelKeyboard *keyboard);
+GtkWidget *eek_gtk_keyboard_new       (EekboardContextService *eekservice, struct submission *submission, struct squeek_layout_state *layout);
+void       eek_gtk_keyboard_emit_feedback (EekGtkKeyboard *self);
 
 G_END_DECLS
 #endif  /* EEK_GTK_KEYBOARD_H */

eek/eek-keyboard.c

@@ -18,41 +18,93 @@
  * 02110-1301 USA
  */
 
-/**
- * SECTION:eek-keyboard
- * @short_description: Base class of a keyboard
- * @see_also: #EekSection
- *
- * The #EekKeyboardClass class represents a keyboard, which consists
- * of one or more sections of the #EekSectionClass class.
- */
-
 #include "config.h"
-#include <glib/gprintf.h>
 
-#include "eekboard/eekboard-context-service.h"
-#include "eekboard/key-emitter.h"
-#include "keymap.h"
+#define _XOPEN_SOURCE 500
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/random.h> // TODO: this is Linux-specific
+#include <xkbcommon/xkbcommon.h>
+
 #include "eek-keyboard.h"
 
-void level_keyboard_deinit(LevelKeyboard *self) {
-    xkb_keymap_unref(self->keymap);
-    close(self->keymap_fd);
-    squeek_layout_free(self->layout);
+
+static void eek_key_map_deinit(struct keymap *self) {
+    if (self->fd < 0) {
+        g_error("Deinit called multiple times on KeyMap");
+    } else {
+        close(self->fd);
+    }
+    self->fd = -1;
+}
+
+static struct keymap eek_key_map_from_str(const char *keymap_str) {
+    struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
+    if (!context) {
+        g_error("No context created");
+    }
+
+    struct xkb_keymap *keymap = xkb_keymap_new_from_string(context, keymap_str,
+        XKB_KEYMAP_FORMAT_TEXT_V1, XKB_KEYMAP_COMPILE_NO_FLAGS);
+
+    if (!keymap)
+        g_error("Bad keymap:\n%s", keymap_str);
+
+    xkb_context_unref(context);
+
+    char *xkb_keymap_str = xkb_keymap_get_as_string(keymap, XKB_KEYMAP_FORMAT_TEXT_V1);
+    size_t keymap_len = strlen(xkb_keymap_str) + 1;
+
+    g_autofree char *path = strdup("/eek_keymap-XXXXXX");
+    char *r = &path[strlen(path) - 6];
+    if (getrandom(r, 6, GRND_NONBLOCK) < 0)
+        g_error("Failed to get random numbers: %s", strerror(errno));
+    for (unsigned i = 0; i < 6; i++) {
+        r[i] = (r[i] & 0b1111111) | 0b1000000; // A-z
+        r[i] = r[i] > 'z' ? '?' : r[i]; // The randomizer doesn't need to be good...
+    }
+    int keymap_fd = shm_open(path, O_RDWR | O_CREAT | O_EXCL, 0600);
+    if (keymap_fd < 0) {
+        g_error("Failed to set up keymap fd");
+    }
+
+    shm_unlink(path);
+    if (ftruncate(keymap_fd, (off_t)keymap_len)) {
+        g_error("Failed to increase keymap fd size");
+    }
+    char *ptr = mmap(NULL, keymap_len, PROT_WRITE, MAP_SHARED,
+        keymap_fd, 0);
+    if ((void*)ptr == (void*)-1) {
+        g_error("Failed to set up mmap");
+    }
+    strncpy(ptr, xkb_keymap_str, keymap_len);
+    munmap(ptr, keymap_len);
+    free(xkb_keymap_str);
+    xkb_keymap_unref(keymap);
+    struct keymap km = {
+        .fd = keymap_fd,
+        .fd_len = keymap_len,
+    };
+    return km;
 }
 
 void level_keyboard_free(LevelKeyboard *self) {
-    level_keyboard_deinit(self);
+    eek_key_map_deinit(&self->keymap);
+    squeek_layout_free(self->layout);
     g_free(self);
 }
 
-void level_keyboard_init(LevelKeyboard *self, struct squeek_layout *layout) {
-    self->layout = layout;
-}
-
-LevelKeyboard *level_keyboard_new(EekboardContextService *manager, struct squeek_layout *layout) {
+LevelKeyboard*
+level_keyboard_new (struct squeek_layout *layout)
+{
     LevelKeyboard *keyboard = g_new0(LevelKeyboard, 1);
-    level_keyboard_init(keyboard, layout);
-    keyboard->manager = manager;
+    if (!keyboard) {
+        g_error("Failed to create a keyboard");
+    }
+    keyboard->layout = layout;
+    const gchar *keymap_str = squeek_layout_get_keymap(keyboard->layout);
+    keyboard->keymap = eek_key_map_from_str(keymap_str);
     return keyboard;
 }

eek/eek-keyboard.h

@@ -1,17 +1,17 @@
-/* 
+/*
  * Copyright (C) 2010-2011 Daiki Ueno <ueno@unixuser.org>
  * Copyright (C) 2010-2011 Red Hat, Inc.
- * 
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public License
  * as published by the Free Software Foundation; either version 2 of
  * the License, or (at your option) any later version.
- * 
+ *
  * This library is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
@@ -32,24 +32,23 @@
 
 G_BEGIN_DECLS
 
+/// Keymap container for Rust interoperability.
+struct keymap {
+    uint32_t fd; // keymap formatted as XKB string
+    size_t fd_len; // length of the data inside keymap_fd
+};
+
 /// Keyboard state holder
 struct _LevelKeyboard {
     struct squeek_layout *layout; // owned
-    struct xkb_keymap *keymap; // owned
-    int keymap_fd; // keymap formatted as XKB string
-    size_t keymap_len; // length of the data inside keymap_fd
-
-    guint id; // as a key to layout choices
-
-    EekboardContextService *manager; // unowned reference
+    struct keymap keymap; // owned
 };
 typedef struct _LevelKeyboard LevelKeyboard;
 
-gchar *             eek_keyboard_get_keymap
-                                     (LevelKeyboard *keyboard);
+gchar *eek_keyboard_get_keymap(LevelKeyboard *keyboard);
 
-LevelKeyboard *level_keyboard_new(EekboardContextService *manager, struct squeek_layout *layout);
-void level_keyboard_deinit(LevelKeyboard *self);
+LevelKeyboard*
+level_keyboard_new (struct squeek_layout *layout);
 void level_keyboard_free(LevelKeyboard *self);
 
 G_END_DECLS

eek/eek-renderer.c

@@ -28,36 +28,10 @@
 #include "eek-renderer.h"
 #include "src/style.h"
 
-enum {
-    PROP_0,
-    PROP_PCONTEXT,
-    PROP_LAST
-};
-
-typedef struct _EekRendererPrivate
-{
-    LevelKeyboard *keyboard; // unowned
-    PangoContext *pcontext; // owned
-    GtkCssProvider *css_provider; // owned
-    GtkStyleContext *view_context; // owned
-    GtkStyleContext *button_context; // TODO: maybe move a copy to each button
-
-    gdouble border_width; // FIXME: border of what?
-
-    gdouble allocation_width;
-    gdouble allocation_height;
-    gint scale_factor; /* the outputs scale factor */
-    struct transformation widget_to_layout;
-
-    PangoFontDescription *font; // owned reference
-
-} EekRendererPrivate;
-
-G_DEFINE_TYPE_WITH_PRIVATE (EekRenderer, eek_renderer, G_TYPE_OBJECT)
 
 /* eek-keyboard-drawing.c */
-static void eek_renderer_render_button_label (EekRenderer *self, cairo_t *cr, GtkStyleContext *ctx,
-                                                const struct squeek_button *button);
+static void render_button_label (cairo_t *cr, GtkStyleContext *ctx,
+                                                const gchar *label, EekBounds bounds);
 
 void eek_render_button                         (EekRenderer *self,
                                                 cairo_t     *cr, const struct squeek_button *button,
@@ -86,8 +60,7 @@ render_outline (cairo_t     *cr,
         position.x, position.y, position.width, position.height);
 }
 
-static void render_button_in_context(EekRenderer *self,
-                                     gint scale_factor,
+static void render_button_in_context(gint scale_factor,
                                      cairo_t     *cr,
                                      GtkStyleContext *ctx,
                                      const struct squeek_button *button) {
@@ -130,7 +103,11 @@ static void render_button_in_context(EekRenderer *self,
             return;
         }
     }
-    eek_renderer_render_button_label (self, cr, ctx, button);
+
+    const gchar *label = squeek_button_get_label(button);
+    if (label) {
+        render_button_label (cr, ctx, label, squeek_button_get_bounds(button));
+    }
 }
 
 void
@@ -140,9 +117,7 @@ eek_render_button (EekRenderer *self,
                gboolean     pressed,
                gboolean     locked)
 {
-    EekRendererPrivate *priv = eek_renderer_get_instance_private (self);
-
-    GtkStyleContext *ctx = priv->button_context;
+    GtkStyleContext *ctx = self->button_context;
     /* Set the name of the button on the widget path, using the name obtained
        from the button's symbol. */
     g_autoptr (GtkWidgetPath) path = NULL;
@@ -162,7 +137,7 @@ eek_render_button (EekRenderer *self,
     }
     gtk_style_context_add_class(ctx, outline_name);
 
-    render_button_in_context(self, priv->scale_factor, cr, ctx, button);
+    render_button_in_context(self->scale_factor, cr, ctx, button);
 
     // Save and restore functions don't work if gtk_render_* was used in between
     gtk_style_context_set_state(ctx, GTK_STATE_FLAG_NORMAL);
@@ -173,43 +148,16 @@ eek_render_button (EekRenderer *self,
 }
 
 static void
-eek_renderer_render_button_label (EekRenderer *self,
-                                  cairo_t     *cr,
-                                  GtkStyleContext *ctx,
-                                  const struct squeek_button *button)
+render_button_label (cairo_t     *cr,
+                     GtkStyleContext *ctx,
+                     const gchar *label,
+                     EekBounds bounds)
 {
-    EekRendererPrivate *priv = eek_renderer_get_instance_private (self);
-
-    const gchar *label = squeek_button_get_label(button);
-
-    if (!label) {
-        return;
-    }
-
     PangoFontDescription *font;
-    gdouble scale;
-
-
-    if (!priv->font) {
-        const PangoFontDescription *base_font;
-        gdouble size;
-
-        base_font = pango_context_get_font_description (priv->pcontext);
-        // FIXME: Base font size on the same size unit used for button sizing,
-        // and make the default about 1/3 of the current row height
-        size = 30000.0;
-        priv->font = pango_font_description_copy (base_font);
-        pango_font_description_set_size (priv->font, (gint)round(size * 0.6));
-    }
-
-    EekBounds bounds = squeek_button_get_bounds(button);
-    scale = MIN((bounds.width - priv->border_width) / bounds.width,
-                (bounds.height - priv->border_width) / bounds.height);
-
-    font = pango_font_description_copy (priv->font);
-    pango_font_description_set_size (font,
-                                     (gint)round(pango_font_description_get_size (font) * scale));
-
+    gtk_style_context_get(ctx,
+                          gtk_style_context_get_state(ctx),
+                          "font", &font,
+                          NULL);
     PangoLayout *layout = pango_cairo_create_layout (cr);
     pango_layout_set_font_description (layout, font);
     pango_font_description_free (font);
@@ -219,8 +167,7 @@ eek_renderer_render_button_label (EekRenderer *self,
     if (line->resolved_dir == PANGO_DIRECTION_RTL) {
         pango_layout_set_alignment (layout, PANGO_ALIGN_RIGHT);
     }
-    pango_layout_set_width (layout,
-                            PANGO_SCALE * bounds.width * scale);
+    pango_layout_set_width (layout, PANGO_SCALE * bounds.width);
 
     PangoRectangle extents = { 0, };
     pango_layout_get_extents (layout, NULL, &extents);
@@ -244,119 +191,46 @@ eek_renderer_render_button_label (EekRenderer *self,
     g_object_unref (layout);
 }
 
+// FIXME: Pass just the active modifiers instead of entire submission
 void
 eek_renderer_render_keyboard (EekRenderer *self,
-                                   cairo_t     *cr)
+                              struct submission *submission,
+                                   cairo_t     *cr,
+                              LevelKeyboard *keyboard)
 {
-    EekRendererPrivate *priv = eek_renderer_get_instance_private (self);
-
-    g_return_if_fail (priv->keyboard);
-    g_return_if_fail (priv->allocation_width > 0.0);
-    g_return_if_fail (priv->allocation_height > 0.0);
+    g_return_if_fail (self->allocation_width > 0.0);
+    g_return_if_fail (self->allocation_height > 0.0);
 
     /* Paint the background covering the entire widget area */
-    gtk_render_background (priv->view_context,
+    gtk_render_background (self->view_context,
                            cr,
                            0, 0,
-                           priv->allocation_width, priv->allocation_height);
+                           self->allocation_width, self->allocation_height);
 
     cairo_save(cr);
-    cairo_translate (cr, priv->widget_to_layout.origin_x, priv->widget_to_layout.origin_y);
-    cairo_scale (cr, priv->widget_to_layout.scale, priv->widget_to_layout.scale);
+    cairo_translate (cr, self->widget_to_layout.origin_x, self->widget_to_layout.origin_y);
+    cairo_scale (cr, self->widget_to_layout.scale, self->widget_to_layout.scale);
 
-    squeek_draw_layout_base_view(priv->keyboard->layout, self, cr);
-    squeek_layout_draw_all_changed(priv->keyboard->layout, self, cr);
+    squeek_draw_layout_base_view(keyboard->layout, self, cr);
+    squeek_layout_draw_all_changed(keyboard->layout, self, cr, submission);
     cairo_restore (cr);
 }
 
-static void
-eek_renderer_set_property (GObject      *object,
-                           guint         prop_id,
-                           const GValue *value,
-                           GParamSpec   *pspec)
+void
+eek_renderer_free (EekRenderer        *self)
 {
-    EekRendererPrivate *priv = eek_renderer_get_instance_private (
-            EEK_RENDERER(object));
-
-    switch (prop_id) {
-    case PROP_PCONTEXT:
-        priv->pcontext = g_value_get_object (value);
-        g_object_ref (priv->pcontext);
-        break;
-    default:
-        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-        break;
+    if (self->pcontext) {
+        g_object_unref (self->pcontext);
+        self->pcontext = NULL;
     }
-}
-
-static void
-eek_renderer_get_property (GObject    *object,
-                           guint       prop_id,
-                           GValue     *value,
-                           GParamSpec *pspec)
-{
-    (void)value;
-    switch (prop_id) {
-    default:
-        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-        break;
-    }
-}
-
-static void
-eek_renderer_dispose (GObject *object)
-{
-    EekRenderer        *self = EEK_RENDERER (object);
-    EekRendererPrivate *priv = eek_renderer_get_instance_private (self);
-
-    if (priv->keyboard) {
-        priv->keyboard = NULL;
-    }
-    if (priv->pcontext) {
-        g_object_unref (priv->pcontext);
-        priv->pcontext = NULL;
-    }
-
+    g_object_unref(self->css_provider);
+    g_object_unref(self->view_context);
+    g_object_unref(self->button_context);
     // this is where renderer-specific surfaces would be released
 
-    G_OBJECT_CLASS (eek_renderer_parent_class)->dispose (object);
+    free(self);
 }
 
-static void
-eek_renderer_finalize (GObject *object)
-{
-    EekRenderer        *self = EEK_RENDERER(object);
-    EekRendererPrivate *priv = eek_renderer_get_instance_private (self);
-
-    g_object_unref(priv->css_provider);
-    g_object_unref(priv->view_context);
-    g_object_unref(priv->button_context);
-    pango_font_description_free (priv->font);
-    G_OBJECT_CLASS (eek_renderer_parent_class)->finalize (object);
-}
-
-static void
-eek_renderer_class_init (EekRendererClass *klass)
-{
-    GObjectClass      *gobject_class = G_OBJECT_CLASS (klass);
-    GParamSpec        *pspec;
-
-    gobject_class->set_property = eek_renderer_set_property;
-    gobject_class->get_property = eek_renderer_get_property;
-    gobject_class->dispose = eek_renderer_dispose;
-    gobject_class->finalize = eek_renderer_finalize;
-
-    pspec = g_param_spec_object ("pango-context",
-                                 "Pango Context",
-                                 "Pango Context",
-                                 PANGO_TYPE_CONTEXT,
-                                 G_PARAM_CONSTRUCT_ONLY | G_PARAM_WRITABLE);
-    g_object_class_install_property (gobject_class,
-                                     PROP_PCONTEXT,
-                                     pspec);
-}
-
-
 static GType new_type(char *name) {
     GTypeInfo info = {0};
     info.class_size = sizeof(GtkWidgetClass);
@@ -367,7 +241,7 @@ static GType new_type(char *name) {
     );
 }
 
-static GType view_type() {
+static GType view_type(void) {
     static GType type = 0;
     if (!type) {
         type = new_type("sq_view");
@@ -375,7 +249,7 @@ static GType view_type() {
     return type;
 }
 
-static GType button_type() {
+static GType button_type(void) {
     static GType type = 0;
     if (!type) {
         type = new_type("sq_button");
@@ -384,83 +258,71 @@ static GType button_type() {
 }
 
 static void
-eek_renderer_init (EekRenderer *self)
+renderer_init (EekRenderer *self)
 {
-    EekRendererPrivate *priv = eek_renderer_get_instance_private (self);
+    self->pcontext = NULL;
+    self->allocation_width = 0.0;
+    self->allocation_height = 0.0;
+    self->scale_factor = 1;
 
-    priv->keyboard = NULL;
-    priv->pcontext = NULL;
-    priv->border_width = 1.0;
-    priv->allocation_width = 0.0;
-    priv->allocation_height = 0.0;
-    priv->scale_factor = 1;
-    priv->font = NULL;
-
-    GtkIconTheme *theme = gtk_icon_theme_get_default ();
-
-    gtk_icon_theme_add_resource_path (theme, "/sm/puri/squeekboard/icons");
-
-    priv->css_provider = squeek_load_style();
+    self->css_provider = squeek_load_style();
 }
 
 EekRenderer *
 eek_renderer_new (LevelKeyboard  *keyboard,
                   PangoContext *pcontext)
 {
-    EekRenderer *renderer = g_object_new (EEK_TYPE_RENDERER,
-                         "pango-context", pcontext,
-                         NULL);
-    EekRendererPrivate *priv = eek_renderer_get_instance_private (renderer);
-    priv->keyboard = keyboard;
+    EekRenderer *renderer = calloc(1, sizeof(EekRenderer));
+    renderer_init(renderer);
+    renderer->pcontext = pcontext;
+    g_object_ref (renderer->pcontext);
 
     /* Create a style context for the layout */
     GtkWidgetPath *path = gtk_widget_path_new();
     gtk_widget_path_append_type(path, view_type());
 
-    priv->view_context = gtk_style_context_new();
-    gtk_style_context_set_path(priv->view_context, path);
+    renderer->view_context = gtk_style_context_new();
+    gtk_style_context_set_path(renderer->view_context, path);
     gtk_widget_path_unref(path);
-    if (squeek_layout_get_kind(priv->keyboard->layout) == ARRANGEMENT_KIND_WIDE) {
-        gtk_style_context_add_class(priv->view_context, "wide");
+    if (squeek_layout_get_kind(keyboard->layout) == ARRANGEMENT_KIND_WIDE) {
+        gtk_style_context_add_class(renderer->view_context, "wide");
     }
-    gtk_style_context_add_provider (priv->view_context,
-        GTK_STYLE_PROVIDER(priv->css_provider),
+    gtk_style_context_add_provider (renderer->view_context,
+        GTK_STYLE_PROVIDER(renderer->css_provider),
         GTK_STYLE_PROVIDER_PRIORITY_USER);
 
     /* Create a style context for the buttons */
     path = gtk_widget_path_new();
     gtk_widget_path_append_type(path, view_type());
-    if (squeek_layout_get_kind(priv->keyboard->layout) == ARRANGEMENT_KIND_WIDE) {
+    if (squeek_layout_get_kind(keyboard->layout) == ARRANGEMENT_KIND_WIDE) {
         gtk_widget_path_iter_add_class(path, -1, "wide");
     }
     gtk_widget_path_append_type(path, button_type());
-    priv->button_context = gtk_style_context_new ();
-    gtk_style_context_set_path(priv->button_context, path);
+    renderer->button_context = gtk_style_context_new ();
+    gtk_style_context_set_path(renderer->button_context, path);
     gtk_widget_path_unref(path);
-    gtk_style_context_set_parent(priv->button_context, priv->view_context);
-    gtk_style_context_set_state (priv->button_context, GTK_STATE_FLAG_NORMAL);
-    gtk_style_context_add_provider (priv->button_context,
-        GTK_STYLE_PROVIDER(priv->css_provider),
+    gtk_style_context_set_parent(renderer->button_context, renderer->view_context);
+    gtk_style_context_set_state (renderer->button_context, GTK_STATE_FLAG_NORMAL);
+    gtk_style_context_add_provider (renderer->button_context,
+        GTK_STYLE_PROVIDER(renderer->css_provider),
         GTK_STYLE_PROVIDER_PRIORITY_USER);
     return renderer;
 }
 
 void
 eek_renderer_set_allocation_size (EekRenderer *renderer,
+                                  struct squeek_layout *layout,
                                   gdouble      width,
                                   gdouble      height)
 {
-    g_return_if_fail (EEK_IS_RENDERER(renderer));
     g_return_if_fail (width > 0.0 && height > 0.0);
 
-    EekRendererPrivate *priv = eek_renderer_get_instance_private (renderer);
+    renderer->allocation_width = width;
+    renderer->allocation_height = height;
 
-    priv->allocation_width = width;
-    priv->allocation_height = height;
-
-    priv->widget_to_layout = squeek_layout_calculate_transformation(
-                priv->keyboard->layout,
-                priv->allocation_width, priv->allocation_height);
+    renderer->widget_to_layout = squeek_layout_calculate_transformation(
+                layout,
+                renderer->allocation_width, renderer->allocation_height);
 
     // This is where size-dependent surfaces would be released
 }
@@ -468,10 +330,7 @@ eek_renderer_set_allocation_size (EekRenderer *renderer,
 void
 eek_renderer_set_scale_factor (EekRenderer *renderer, gint scale)
 {
-    g_return_if_fail (EEK_IS_RENDERER(renderer));
-
-    EekRendererPrivate *priv = eek_renderer_get_instance_private (renderer);
-    priv->scale_factor = scale;
+    renderer->scale_factor = scale;
 }
 
 cairo_surface_t *
@@ -500,9 +359,5 @@ eek_renderer_get_icon_surface (const gchar *icon_name,
 
 struct transformation
 eek_renderer_get_transformation (EekRenderer *renderer) {
-    struct transformation failed = {0};
-    g_return_val_if_fail (EEK_IS_RENDERER(renderer), failed);
-
-    EekRendererPrivate *priv = eek_renderer_get_instance_private (renderer);
-    return priv->widget_to_layout;
+    return renderer->widget_to_layout;
 }

eek/eek-renderer.h

@@ -25,31 +25,36 @@
 #include <pango/pangocairo.h>
 
 #include "eek-types.h"
+#include "src/submission.h"
 
-G_BEGIN_DECLS
+struct squeek_layout;
 
-#define EEK_TYPE_RENDERER (eek_renderer_get_type())
-G_DECLARE_DERIVABLE_TYPE (EekRenderer, eek_renderer, EEK, RENDERER, GObject)
-
-struct _EekRendererClass
+/// Renders LevelKayboards
+/// It cannot adjust styles at runtime.
+typedef struct EekRenderer
 {
-    GObjectClass parent_class;
+    PangoContext *pcontext; // owned
+    GtkCssProvider *css_provider; // owned
+    GtkStyleContext *view_context; // owned
+    GtkStyleContext *button_context; // TODO: maybe move a copy to each button
+    /// Style class for rendering the view and button CSS.
+    gchar *extra_style; // owned
 
-    cairo_surface_t *(* get_icon_surface)   (EekRenderer *self,
-                                             const gchar *icon_name,
-                                             gint         size,
-                                             gint         scale);
+    // Mutable state
+    /// Background extents
+    gdouble allocation_width;
+    gdouble allocation_height;
+    gint scale_factor; /* the outputs scale factor */
+    /// Coords transformation
+    struct transformation widget_to_layout;
+} EekRenderer;
 
-    /*< private >*/
-    /* padding */
-    gpointer pdummy[23];
-};
 
 GType            eek_renderer_get_type         (void) G_GNUC_CONST;
 EekRenderer     *eek_renderer_new              (LevelKeyboard     *keyboard,
                                                 PangoContext    *pcontext);
 void             eek_renderer_set_allocation_size
-                                               (EekRenderer     *renderer,
+                                               (EekRenderer     *renderer, struct squeek_layout *layout,
                                                 gdouble          width,
                                                 gdouble          height);
 void             eek_renderer_set_scale_factor (EekRenderer     *renderer,
@@ -59,8 +64,10 @@ cairo_surface_t *eek_renderer_get_icon_surface(const gchar     *icon_name,
                                                 gint             size,
                                                 gint             scale);
 
-void             eek_renderer_render_keyboard  (EekRenderer     *renderer,
-                                                cairo_t         *cr);
+void             eek_renderer_render_keyboard  (EekRenderer     *renderer, struct submission *submission,
+                                                cairo_t         *cr, LevelKeyboard *keyboard);
+void
+eek_renderer_free (EekRenderer        *self);
 
 struct transformation
 eek_renderer_get_transformation (EekRenderer *renderer);

eek/eek-types.h

@@ -38,6 +38,7 @@ G_BEGIN_DECLS
 typedef struct _EekBounds EekBounds;
 
 typedef struct _EekboardContextService EekboardContextService;
+typedef struct _ServerContextService ServerContextService;
 typedef struct _LevelKeyboard LevelKeyboard;
 
 /**

eek/eek-xml-layout.c

@@ -1,38 +0,0 @@
-/*
- * Copyright (C) 2011 Daiki Ueno <ueno@unixuser.org>
- * Copyright (C) 2011 Red Hat, Inc.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * SECTION:eek-xml-layout
- * @short_description: Layout engine which loads layout information from XML
- */
-
-#include "config.h"
-
-#include "eek-keyboard.h"
-#include "src/layout.h"
-
-#include "eek-xml-layout.h"
-
-LevelKeyboard *
-eek_xml_layout_real_create_keyboard (const char *keyboard_type,
-                                     EekboardContextService *manager,
-                                     enum squeek_arrangement_kind t)
-{
-    struct squeek_layout *layout = squeek_load_layout(keyboard_type, t);
-    return level_keyboard_new(manager, layout);
-}

eek/eek-xml-layout.h

@@ -1,36 +0,0 @@
-/* 
- * Copyright (C) 2011 Daiki Ueno <ueno@unixuser.org>
- * Copyright (C) 2011 Red Hat, Inc.
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#if !defined(__EEK_H_INSIDE__) && !defined(EEK_COMPILATION)
-#error "Only <eek/eek.h> can be included directly."
-#endif
-
-#ifndef EEK_XML_LAYOUT_H
-#define EEK_XML_LAYOUT_H 1
-
-#include "eek-types.h"
-#include "src/layout.h"
-
-G_BEGIN_DECLS
-
-LevelKeyboard *
-eek_xml_layout_real_create_keyboard (const char *keyboard_type,
-                                     EekboardContextService *manager,
-                                     enum squeek_arrangement_kind t);
-G_END_DECLS
-#endif  /* EEK_XML_LAYOUT_H */

eek/keymap.h

@@ -1,8 +0,0 @@
-#include <gdk/gdk.h>
-#include <xkbcommon/xkbcommon.h>
-
-gboolean
-squeek_keymap_get_entries_for_keyval (struct xkb_keymap     *xkb_keymap,
-                                      guint          keyval,
-                                      GdkKeymapKey **keys,
-                                      guint          *n_keys);

eekboard/eekboard-context-service.c

@@ -16,31 +16,15 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-/**
- * SECTION:eekboard-context-service
- * @short_description: base server implementation of eekboard input
- * context service
- *
- * The #EekboardService class provides a base server side
- * implementation of eekboard input context service.
- */
-
 #include "config.h"
 
-#include <fcntl.h>
 #include <stdio.h>
-#define _XOPEN_SOURCE 500
-#include <string.h>
-#include <sys/mman.h>
-#include <sys/random.h> // TODO: this is Linux-specific
-#include <xkbcommon/xkbcommon.h>
 
 #include <gio/gio.h>
 
-#include "eekboard/key-emitter.h"
 #include "wayland.h"
 
-#include "eek/eek-xml-layout.h"
+#include "eek/eek-keyboard.h"
 #include "src/server-context-service.h"
 
 #include "eekboard/eekboard-context-service.h"
@@ -48,104 +32,42 @@
 enum {
     PROP_0, // Magic: without this, keyboard is not useable in g_object_notify
     PROP_KEYBOARD,
-    PROP_VISIBLE,
     PROP_LAST
 };
 
 enum {
-    ENABLED,
-    DISABLED,
     DESTROYED,
     LAST_SIGNAL
 };
 
 static guint signals[LAST_SIGNAL] = { 0, };
 
-#define EEKBOARD_CONTEXT_SERVICE_GET_PRIVATE(obj)                       \
-    (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EEKBOARD_TYPE_CONTEXT_SERVICE, EekboardContextServicePrivate))
-
-struct _EekboardContextServicePrivate {
-    gboolean enabled;
-    gboolean visible;
+/**
+ * EekboardContextService:
+ *
+ * Handles layout state, gsettings, and virtual-keyboard.
+ *
+ * TODO: Restrict to managing keyboard layouts, and maybe button repeats,
+ * and the virtual keyboard protocol.
+ *
+ * The #EekboardContextService structure contains only private data
+ * and should only be accessed using the provided API.
+ */
+struct _EekboardContextService {
+    GObject parent;
+    struct squeek_layout_state *layout; // Unowned
 
     LevelKeyboard *keyboard; // currently used keyboard
-    GHashTable *keyboard_hash; // a table of available keyboards, per layout
+    GSettings *settings; // Owned reference
 
-    char *overlay;
-
-    GSettings *settings;
-    uint32_t hint;
-    uint32_t purpose;
+    // Maybe TODO: it's used only for fetching layout type.
+    // Maybe let UI push the type to this structure?
+    ServerContextService *ui; // unowned reference
+    /// Needed for keymap changes after keyboard updates
+    struct submission *submission; // unowned
 };
 
-G_DEFINE_TYPE_WITH_PRIVATE (EekboardContextService, eekboard_context_service, G_TYPE_OBJECT);
-
-static LevelKeyboard *
-eekboard_context_service_real_create_keyboard (EekboardContextService *self,
-                                               const gchar            *keyboard_type,
-                                               enum squeek_arrangement_kind t)
-{
-    LevelKeyboard *keyboard = eek_xml_layout_real_create_keyboard(keyboard_type, self, t);
-    if (!keyboard) {
-        g_error("Failed to create a keyboard");
-    }
-
-    struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
-    if (!context) {
-        g_error("No context created");
-    }
-
-    const gchar *keymap_str = squeek_layout_get_keymap(keyboard->layout);
-
-    struct xkb_keymap *keymap = xkb_keymap_new_from_string(context, keymap_str,
-        XKB_KEYMAP_FORMAT_TEXT_V1, XKB_KEYMAP_COMPILE_NO_FLAGS);
-
-    if (!keymap)
-        g_error("Bad keymap:\n%s", keymap_str);
-
-    xkb_context_unref(context);
-    keyboard->keymap = keymap;
-
-    keymap_str = xkb_keymap_get_as_string(keymap, XKB_KEYMAP_FORMAT_TEXT_V1);
-    keyboard->keymap_len = strlen(keymap_str) + 1;
-
-    g_autofree char *path = strdup("/eek_keymap-XXXXXX");
-    char *r = &path[strlen(path) - 6];
-    getrandom(r, 6, GRND_NONBLOCK);
-    for (unsigned i = 0; i < 6; i++) {
-        r[i] = (r[i] & 0b1111111) | 0b1000000; // A-z
-        r[i] = r[i] > 'z' ? '?' : r[i]; // The randomizer doesn't need to be good...
-    }
-    int keymap_fd = shm_open(path, O_RDWR | O_CREAT | O_EXCL, 0600);
-    if (keymap_fd < 0) {
-        g_error("Failed to set up keymap fd");
-    }
-    keyboard->keymap_fd = keymap_fd;
-    shm_unlink(path);
-    if (ftruncate(keymap_fd, (off_t)keyboard->keymap_len)) {
-        g_error("Failed to increase keymap fd size");
-    }
-    char *ptr = mmap(NULL, keyboard->keymap_len, PROT_WRITE, MAP_SHARED,
-        keymap_fd, 0);
-    if ((void*)ptr == (void*)-1) {
-        g_error("Failed to set up mmap");
-    }
-    strncpy(ptr, keymap_str, keyboard->keymap_len);
-    munmap(ptr, keyboard->keymap_len);
-    return keyboard;
-}
-
-static void
-eekboard_context_service_real_show_keyboard (EekboardContextService *self)
-{
-    self->priv->visible = TRUE;
-}
-
-static void
-eekboard_context_service_real_hide_keyboard (EekboardContextService *self)
-{
-    self->priv->visible = FALSE;
-}
+G_DEFINE_TYPE (EekboardContextService, eekboard_context_service, G_TYPE_OBJECT);
 
 static void
 eekboard_context_service_set_property (GObject      *object,
@@ -153,17 +75,8 @@ eekboard_context_service_set_property (GObject      *object,
                                        const GValue *value,
                                        GParamSpec   *pspec)
 {
-    EekboardContextService *context = EEKBOARD_CONTEXT_SERVICE(object);
-
+    (void)value;
     switch (prop_id) {
-    case PROP_KEYBOARD:
-        if (context->priv->keyboard)
-            g_object_unref (context->priv->keyboard);
-        context->priv->keyboard = g_value_get_object (value);
-        break;
-    case PROP_VISIBLE:
-        context->priv->visible = g_value_get_boolean (value);
-        break;
     default:
         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
         break;
@@ -180,10 +93,7 @@ eekboard_context_service_get_property (GObject    *object,
 
     switch (prop_id) {
     case PROP_KEYBOARD:
-        g_value_set_object (value, context->priv->keyboard);
-        break;
-    case PROP_VISIBLE:
-        g_value_set_boolean (value, context->priv->visible);
+        g_value_set_object (value, context->keyboard);
         break;
     default:
         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@@ -194,13 +104,6 @@ eekboard_context_service_get_property (GObject    *object,
 static void
 eekboard_context_service_dispose (GObject *object)
 {
-    EekboardContextService *context = EEKBOARD_CONTEXT_SERVICE(object);
-
-    if (context->priv->keyboard_hash) {
-        g_hash_table_destroy (context->priv->keyboard_hash);
-        context->priv->keyboard_hash = NULL;
-    }
-
     G_OBJECT_CLASS (eekboard_context_service_parent_class)->
         dispose (object);
 }
@@ -208,47 +111,58 @@ eekboard_context_service_dispose (GObject *object)
 static void
 settings_get_layout(GSettings *settings, char **type, char **layout)
 {
+    if (!settings) {
+        return;
+    }
     GVariant *inputs = g_settings_get_value(settings, "sources");
-    // current layout is always first
-    g_variant_get_child(inputs, 0, "(ss)", type, layout);
+    if (g_variant_n_children(inputs) == 0) {
+        g_warning("No system layout present");
+        *type = NULL;
+        *layout = NULL;
+    } else {
+        // current layout is always first
+        g_variant_get_child(inputs, 0, "(ss)", type, layout);
+    }
+    g_variant_unref(inputs);
 }
 
 void
-eekboard_context_service_update_layout(EekboardContextService *context, enum squeek_arrangement_kind t)
-{
-    g_autofree gchar *keyboard_layout = NULL;
-    if (context->priv->overlay) {
-        keyboard_layout = g_strdup(context->priv->overlay);
-    } else {
-        g_autofree gchar *keyboard_type = NULL;
-        settings_get_layout(context->priv->settings,
-                            &keyboard_type, &keyboard_layout);
-    }
+eekboard_context_service_use_layout(EekboardContextService *context, struct squeek_layout_state *state, uint32_t timestamp) {
+    gchar *layout_name = state->overlay_name;
 
-    if (!keyboard_layout) {
-        keyboard_layout = g_strdup("us");
-    }
+    if (layout_name == NULL) {
+        layout_name = state->layout_name;
 
-    EekboardContextServicePrivate *priv = EEKBOARD_CONTEXT_SERVICE_GET_PRIVATE(context);
+        switch (state->purpose) {
+        case ZWP_TEXT_INPUT_V3_CONTENT_PURPOSE_NUMBER:
+        case ZWP_TEXT_INPUT_V3_CONTENT_PURPOSE_PHONE:
+            layout_name = "number";
+            break;
+        case ZWP_TEXT_INPUT_V3_CONTENT_PURPOSE_TERMINAL:
+            layout_name = "terminal";
+            break;
+        default:
+            ;
+        }
 
-    switch (priv->purpose) {
-    case ZWP_TEXT_INPUT_V3_CONTENT_PURPOSE_NUMBER:
-    case ZWP_TEXT_INPUT_V3_CONTENT_PURPOSE_PHONE:
-        keyboard_layout = g_strdup("number");
-        break;
-    case ZWP_TEXT_INPUT_V3_CONTENT_PURPOSE_TERMINAL:
-        keyboard_layout = g_strdup("terminal");
-        break;
-    default:
-        ;
+        if (layout_name == NULL) {
+            layout_name = "us";
+        }
     }
 
     // generic part follows
-    LevelKeyboard *keyboard = eekboard_context_service_real_create_keyboard(context, keyboard_layout, t);
+    struct squeek_layout *layout = squeek_load_layout(layout_name, state->arrangement);
+    LevelKeyboard *keyboard = level_keyboard_new(layout);
     // set as current
-    LevelKeyboard *previous_keyboard = context->priv->keyboard;
-    context->priv->keyboard = keyboard;
+    LevelKeyboard *previous_keyboard = context->keyboard;
+    context->keyboard = keyboard;
+    // Update the keymap if necessary.
+    // TODO: Update submission on change event
+    if (context->submission) {
+        submission_set_keyboard(context->submission, keyboard, timestamp);
+    }
 
+    // Update UI
     g_object_notify (G_OBJECT(context), "keyboard");
 
     // replacing the keyboard above will cause the previous keyboard to get destroyed from the UI side (eek_gtk_keyboard_dispose)
@@ -257,8 +171,23 @@ eekboard_context_service_update_layout(EekboardContextService *context, enum squ
     }
 }
 
-static void update_layout_and_type(EekboardContextService *context) {
-    eekboard_context_service_update_layout(context, server_context_service_get_layout_type(context));
+static void eekboard_context_service_update_settings_layout(EekboardContextService *context) {
+    g_autofree gchar *keyboard_layout = NULL;
+    g_autofree gchar *keyboard_type = NULL;
+    settings_get_layout(context->settings,
+                        &keyboard_type, &keyboard_layout);
+
+    if (g_strcmp0(context->layout->layout_name, keyboard_layout) != 0 || context->layout->overlay_name) {
+        g_free(context->layout->overlay_name);
+        context->layout->overlay_name = NULL;
+        if (keyboard_layout) {
+            g_free(context->layout->layout_name);
+            context->layout->layout_name = g_strdup(keyboard_layout);
+        }
+        // This must actually update the UI.
+        uint32_t time = gdk_event_get_time(NULL);
+        eekboard_context_service_use_layout(context, context->layout, time);
+    }
 }
 
 static gboolean
@@ -269,23 +198,14 @@ settings_handle_layout_changed(GSettings *s,
     (void)keys;
     (void)n_keys;
     EekboardContextService *context = user_data;
-    g_free(context->priv->overlay);
-    context->priv->overlay = NULL;
-    update_layout_and_type(context);
+    eekboard_context_service_update_settings_layout(context);
     return TRUE;
 }
 
 static void
 eekboard_context_service_constructed (GObject *object)
 {
-    EekboardContextService *context = EEKBOARD_CONTEXT_SERVICE (object);
-    context->virtual_keyboard = zwp_virtual_keyboard_manager_v1_create_virtual_keyboard(
-                squeek_wayland->virtual_keyboard_manager,
-                squeek_wayland->seat);
-    if (!context->virtual_keyboard) {
-        g_error("Programmer error: Failed to receive a virtual keyboard instance");
-    }
-    update_layout_and_type(context);
+    (void)object;
 }
 
 static void
@@ -294,48 +214,10 @@ eekboard_context_service_class_init (EekboardContextServiceClass *klass)
     GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
     GParamSpec *pspec;
 
-    klass->show_keyboard = eekboard_context_service_real_show_keyboard;
-    klass->hide_keyboard = eekboard_context_service_real_hide_keyboard;
-
     gobject_class->constructed = eekboard_context_service_constructed;
     gobject_class->set_property = eekboard_context_service_set_property;
     gobject_class->get_property = eekboard_context_service_get_property;
     gobject_class->dispose = eekboard_context_service_dispose;
-
-    /**
-     * EekboardContextService::enabled:
-     * @context: an #EekboardContextService
-     *
-     * Emitted when @context is enabled.
-     */
-    signals[ENABLED] =
-        g_signal_new (I_("enabled"),
-                      G_TYPE_FROM_CLASS(gobject_class),
-                      G_SIGNAL_RUN_LAST,
-                      G_STRUCT_OFFSET(EekboardContextServiceClass, enabled),
-                      NULL,
-                      NULL,
-                      g_cclosure_marshal_VOID__VOID,
-                      G_TYPE_NONE,
-                      0);
-
-    /**
-     * EekboardContextService::disabled:
-     * @context: an #EekboardContextService
-     *
-     * Emitted when @context is enabled.
-     */
-    signals[DISABLED] =
-        g_signal_new (I_("disabled"),
-                      G_TYPE_FROM_CLASS(gobject_class),
-                      G_SIGNAL_RUN_LAST,
-                      G_STRUCT_OFFSET(EekboardContextServiceClass, disabled),
-                      NULL,
-                      NULL,
-                      g_cclosure_marshal_VOID__VOID,
-                      G_TYPE_NONE,
-                      0);
-
     /**
      * EekboardContextService::destroyed:
      * @context: an #EekboardContextService
@@ -346,7 +228,7 @@ eekboard_context_service_class_init (EekboardContextServiceClass *klass)
         g_signal_new (I_("destroyed"),
                       G_TYPE_FROM_CLASS(gobject_class),
                       G_SIGNAL_RUN_LAST,
-                      G_STRUCT_OFFSET(EekboardContextServiceClass, destroyed),
+                      0,
                       NULL,
                       NULL,
                       g_cclosure_marshal_VOID__VOID,
@@ -361,102 +243,39 @@ eekboard_context_service_class_init (EekboardContextServiceClass *klass)
     pspec = g_param_spec_pointer("keyboard",
                                  "Keyboard",
                                  "Keyboard",
-                                 G_PARAM_READWRITE);
+                                 G_PARAM_READABLE);
     g_object_class_install_property (gobject_class,
                                      PROP_KEYBOARD,
                                      pspec);
-
-    /**
-     * EekboardContextService:visible:
-     *
-     * Flag to indicate if keyboard is visible or not.
-     */
-    pspec = g_param_spec_boolean ("visible",
-                                  "Visible",
-                                  "Visible",
-                                  FALSE,
-                                  G_PARAM_READWRITE);
-    g_object_class_install_property (gobject_class,
-                                     PROP_VISIBLE,
-                                     pspec);
 }
 
 static void
 eekboard_context_service_init (EekboardContextService *self)
 {
-    self->priv = EEKBOARD_CONTEXT_SERVICE_GET_PRIVATE(self);
+    const char *schema_name = "org.gnome.desktop.input-sources";
+    GSettingsSchemaSource *ssrc = g_settings_schema_source_get_default();
+    g_autoptr(GSettingsSchema) schema = NULL;
 
-    self->priv->keyboard_hash =
-        g_hash_table_new_full (g_direct_hash,
-                               g_direct_equal,
-                               NULL,
-                               (GDestroyNotify)g_object_unref);
-
-    self->priv->settings = g_settings_new ("org.gnome.desktop.input-sources");
-    gulong conn_id = g_signal_connect(self->priv->settings, "change-event",
-                                      G_CALLBACK(settings_handle_layout_changed),
-                                      self);
-    if (conn_id == 0) {
-        g_warning ("Could not connect to gsettings updates, layout"
-                   " changing unavailable");
+    if (!ssrc) {
+        g_warning("No gsettings schemas installed. Layout switching unavailable.");
+        return;
     }
 
-    self->priv->overlay = NULL;
-}
-
-/**
- * eekboard_context_service_enable:
- * @context: an #EekboardContextService
- *
- * Enable @context.  This function is called when @context is pushed
- * by eekboard_service_push_context().
- */
-void
-eekboard_context_service_enable (EekboardContextService *context)
-{
-    g_return_if_fail (EEKBOARD_IS_CONTEXT_SERVICE(context));
-
-    if (!context->priv->enabled) {
-        context->priv->enabled = TRUE;
-        g_signal_emit (context, signals[ENABLED], 0);
-    }
-}
-
-/**
- * eekboard_context_service_disable:
- * @context: an #EekboardContextService
- *
- * Disable @context.  This function is called when @context is pushed
- * by eekboard_service_pop_context().
- */
-void
-eekboard_context_service_disable (EekboardContextService *context)
-{
-    g_return_if_fail (EEKBOARD_IS_CONTEXT_SERVICE(context));
-
-    if (context->priv->enabled) {
-        context->priv->enabled = FALSE;
-        g_signal_emit (context, signals[DISABLED], 0);
-    }
-}
-
-void
-eekboard_context_service_show_keyboard (EekboardContextService *context)
-{
-    g_return_if_fail (EEKBOARD_IS_CONTEXT_SERVICE(context));
-
-    if (!context->priv->visible) {
-        EEKBOARD_CONTEXT_SERVICE_GET_CLASS(context)->show_keyboard (context);
-    }
-}
-
-void
-eekboard_context_service_hide_keyboard (EekboardContextService *context)
-{
-    g_return_if_fail (EEKBOARD_IS_CONTEXT_SERVICE(context));
-
-    if (context->priv->visible) {
-        EEKBOARD_CONTEXT_SERVICE_GET_CLASS(context)->hide_keyboard (context);
+    schema = g_settings_schema_source_lookup(ssrc, schema_name, TRUE);
+    if (schema) {
+        // Not referencing the found schema directly,
+        // because it's not clear how...
+        self->settings = g_settings_new (schema_name);
+        gulong conn_id = g_signal_connect(self->settings, "change-event",
+                                          G_CALLBACK(settings_handle_layout_changed),
+                                          self);
+        if (conn_id == 0) {
+            g_warning ("Could not connect to gsettings updates, "
+                       "automatic layout changing unavailable");
+        }
+    } else {
+        g_warning("Gsettings schema %s is not installed on the system. "
+                  "Layout switching unavailable", schema_name);
     }
 }
 
@@ -470,11 +289,6 @@ void
 eekboard_context_service_destroy (EekboardContextService *context)
 {
     g_return_if_fail (EEKBOARD_IS_CONTEXT_SERVICE(context));
-
-    if (context->priv->enabled) {
-        eekboard_context_service_disable (context);
-    }
-    g_free(context->priv->overlay);
     g_signal_emit (context, signals[DESTROYED], 0);
 }
 
@@ -488,36 +302,53 @@ eekboard_context_service_destroy (EekboardContextService *context)
 LevelKeyboard *
 eekboard_context_service_get_keyboard (EekboardContextService *context)
 {
-    return context->priv->keyboard;
-}
-
-void eekboard_context_service_set_keymap(EekboardContextService *context,
-                                         const LevelKeyboard *keyboard)
-{
-    zwp_virtual_keyboard_v1_keymap(context->virtual_keyboard,
-        WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1,
-        keyboard->keymap_fd, keyboard->keymap_len);
+    return context->keyboard;
 }
 
 void eekboard_context_service_set_hint_purpose(EekboardContextService *context,
                                                uint32_t hint, uint32_t purpose)
 {
-    EekboardContextServicePrivate *priv = EEKBOARD_CONTEXT_SERVICE_GET_PRIVATE(context);
-
-    if (priv->hint != hint || priv->purpose != purpose) {
-        priv->hint = hint;
-        priv->purpose = purpose;
-        update_layout_and_type(context);
+    if (context->layout->hint != hint || context->layout->purpose != purpose) {
+        context->layout->hint = hint;
+        context->layout->purpose = purpose;
+        uint32_t time = gdk_event_get_time(NULL);
+        eekboard_context_service_use_layout(context, context->layout, time);
     }
 }
 
 void
 eekboard_context_service_set_overlay(EekboardContextService *context, const char* name) {
-    context->priv->overlay = g_strdup(name);
-    update_layout_and_type(context);
+    if (g_strcmp0(context->layout->overlay_name, name)) {
+        g_free(context->layout->overlay_name);
+        context->layout->overlay_name = g_strdup(name);
+        uint32_t time = gdk_event_get_time(NULL);
+        eekboard_context_service_use_layout(context, context->layout, time);
+    }
 }
 
 const char*
 eekboard_context_service_get_overlay(EekboardContextService *context) {
-    return context->priv->overlay;
+    return context->layout->overlay_name;
+}
+
+EekboardContextService *eekboard_context_service_new(struct squeek_layout_state *state)
+{
+    EekboardContextService *context = g_object_new (EEKBOARD_TYPE_CONTEXT_SERVICE, NULL);
+    context->layout = state;
+    eekboard_context_service_update_settings_layout(context);
+    uint32_t time = gdk_event_get_time(NULL);
+    eekboard_context_service_use_layout(context, context->layout, time);
+    return context;
+}
+
+void eekboard_context_service_set_submission(EekboardContextService *context, struct submission *submission) {
+    context->submission = submission;
+    if (context->submission) {
+        uint32_t time = gdk_event_get_time(NULL);
+        submission_set_keyboard(context->submission, context->keyboard, time);
+    }
+}
+
+void eekboard_context_service_set_ui(EekboardContextService *context, ServerContextService *ui) {
+    context->ui = ui;
 }

eekboard/eekboard-context-service.h

@@ -22,7 +22,8 @@
 #ifndef EEKBOARD_CONTEXT_SERVICE_H
 #define EEKBOARD_CONTEXT_SERVICE_H 1
 
-#include <eek/eek.h>
+#include "src/submission.h"
+#include "src/layout.h"
 
 #include "virtual-keyboard-unstable-v1-client-protocol.h"
 #include "text-input-unstable-v3-client-protocol.h"
@@ -33,69 +34,12 @@ G_BEGIN_DECLS
 #define EEKBOARD_CONTEXT_SERVICE_INTERFACE "org.fedorahosted.Eekboard.Context"
 
 #define EEKBOARD_TYPE_CONTEXT_SERVICE (eekboard_context_service_get_type())
-#define EEKBOARD_CONTEXT_SERVICE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EEKBOARD_TYPE_CONTEXT_SERVICE, EekboardContextService))
-#define EEKBOARD_CONTEXT_SERVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EEKBOARD_TYPE_CONTEXT_SERVICE, EekboardContextServiceClass))
-#define EEKBOARD_IS_CONTEXT_SERVICE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EEKBOARD_TYPE_CONTEXT_SERVICE))
-#define EEKBOARD_IS_CONTEXT_SERVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EEKBOARD_TYPE_CONTEXT_SERVICE))
-#define EEKBOARD_CONTEXT_SERVICE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EEKBOARD_TYPE_CONTEXT_SERVICE, EekboardContextServiceClass))
 
+G_DECLARE_FINAL_TYPE(EekboardContextService, eekboard_context_service, EEKBOARD, CONTEXT_SERVICE, GObject)
 
-typedef struct _EekboardContextServiceClass EekboardContextServiceClass;
-typedef struct _EekboardContextServicePrivate EekboardContextServicePrivate;
-
-/**
- * EekboardContextService:
- *
- * TODO: Restrict to managing keyboard layouts, and maybe button repeats,
- * and the virtual keyboard protocol.
- *
- * The #EekboardContextService structure contains only private data
- * and should only be accessed using the provided API.
- */
-struct _EekboardContextService {
-    GObject parent;
-
-    EekboardContextServicePrivate *priv;
-
-    struct zwp_virtual_keyboard_v1 *virtual_keyboard;
-};
-
-/**
- * EekboardContextServiceClass:
- * @create_keyboard: virtual function for create a keyboard from string
- * @show_keyboard: virtual function for show a keyboard
- * @hide_keyboard: virtual function for hide a keyboard
- * @enabled: class handler for #EekboardContextService::enabled signal
- * @disabled: class handler for #EekboardContextService::disabled signal
- */
-struct _EekboardContextServiceClass {
-    /*< private >*/
-    GObjectClass parent_class;
-
-    /*< public >*/
-    struct squeek_view *(*create_keyboard)    (EekboardContextService *self,
-                                        const gchar            *keyboard_type);
-    void         (*show_keyboard)      (EekboardContextService *self);
-    void         (*hide_keyboard)      (EekboardContextService *self);
-
-    /* signals */
-    void         (*enabled)            (EekboardContextService *self);
-    void         (*disabled)           (EekboardContextService *self);
-    void         (*destroyed)          (EekboardContextService *self);
-
-    /*< private >*/
-    /* padding */
-    gpointer pdummy[24];
-};
-
-GType         eekboard_context_service_get_type
-                                              (void) G_GNUC_CONST;
-void          eekboard_context_service_enable (EekboardContextService *context);
-void          eekboard_context_service_disable (EekboardContextService *context);
-void          eekboard_context_service_show_keyboard
-                                              (EekboardContextService *context);
-void          eekboard_context_service_hide_keyboard
-                                              (EekboardContextService *context);
+EekboardContextService *eekboard_context_service_new(struct squeek_layout_state *state);
+void eekboard_context_service_set_submission(EekboardContextService *context, struct submission *submission);
+void eekboard_context_service_set_ui(EekboardContextService *context, ServerContextService *ui);
 void          eekboard_context_service_destroy (EekboardContextService *context);
 LevelKeyboard *eekboard_context_service_get_keyboard(EekboardContextService *context);
 
@@ -106,6 +50,6 @@ void eekboard_context_service_set_hint_purpose(EekboardContextService *context,
                                                uint32_t hint,
                                                uint32_t purpose);
 void
-eekboard_context_service_update_layout(EekboardContextService *context, enum squeek_arrangement_kind t);
+eekboard_context_service_use_layout(EekboardContextService *context, struct squeek_layout_state *layout, uint32_t timestamp);
 G_END_DECLS
 #endif  /* EEKBOARD_CONTEXT_SERVICE_H */

eekboard/eekboard-service.c

@@ -1,310 +0,0 @@
-/*
- * Copyright (C) 2010-2011 Daiki Ueno <ueno@unixuser.org>
- * Copyright (C) 2010-2011 Red Hat, Inc.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * SECTION:eekboard-service
- * @short_description: base implementation of eekboard service
- *
- * Provides a dbus object, and contains the context.
- *
- * The #EekboardService class provides a base server side
- * implementation of eekboard service.
- */
-
-#include "config.h"
-
-#include "sm.puri.OSK0.h"
-
-#include <stdio.h>
-
-#include <gio/gio.h>
-
-#include "eekboard/eekboard-service.h"
-
-enum {
-    PROP_0,
-    PROP_OBJECT_PATH,
-    PROP_CONNECTION,
-    PROP_LAST
-};
-
-enum {
-    DESTROYED,
-    LAST_SIGNAL
-};
-
-static guint signals[LAST_SIGNAL] = { 0, };
-
-typedef struct _EekboardServicePrivate
-{
-    GDBusConnection *connection;
-    SmPuriOSK0 *dbus_interface;
-    GDBusNodeInfo *introspection_data;
-    guint registration_id;
-    char *object_path;
-
-    EekboardContextService *context; // unowned reference
-} EekboardServicePrivate;
-
-G_DEFINE_TYPE_WITH_PRIVATE (EekboardService, eekboard_service, G_TYPE_OBJECT)
-
-static void
-eekboard_service_set_property (GObject      *object,
-                               guint         prop_id,
-                               const GValue *value,
-                               GParamSpec   *pspec)
-{
-    EekboardService *service = EEKBOARD_SERVICE(object);
-    EekboardServicePrivate *priv = eekboard_service_get_instance_private (service);
-    GDBusConnection *connection;
-
-    switch (prop_id) {
-    case PROP_OBJECT_PATH:
-        if (priv->object_path)
-            g_free (priv->object_path);
-        priv->object_path = g_value_dup_string (value);
-        break;
-    case PROP_CONNECTION:
-        connection = g_value_get_object (value);
-        if (priv->connection)
-            g_object_unref (priv->connection);
-        priv->connection = g_object_ref (connection);
-        break;
-    default:
-        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-        break;
-    }
-}
-
-static void
-eekboard_service_get_property (GObject    *object,
-                               guint       prop_id,
-                               GValue     *value,
-                               GParamSpec *pspec)
-{
-    EekboardService *service = EEKBOARD_SERVICE(object);
-    EekboardServicePrivate *priv = eekboard_service_get_instance_private (service);
-
-    switch (prop_id) {
-    case PROP_OBJECT_PATH:
-        g_value_set_string (value, priv->object_path);
-        break;
-    case PROP_CONNECTION:
-        g_value_set_object (value, priv->connection);
-        break;
-    default:
-        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-        break;
-    }
-}
-
-static void
-eekboard_service_dispose (GObject *object)
-{
-    EekboardService *service = EEKBOARD_SERVICE(object);
-    EekboardServicePrivate *priv = eekboard_service_get_instance_private (service);
-
-    if (priv->connection) {
-        if (priv->registration_id > 0) {
-            g_dbus_connection_unregister_object (priv->connection,
-                                                 priv->registration_id);
-            priv->registration_id = 0;
-        }
-
-        g_object_unref (priv->connection);
-        priv->connection = NULL;
-    }
-
-    if (priv->introspection_data) {
-        g_dbus_node_info_unref (priv->introspection_data);
-        priv->introspection_data = NULL;
-    }
-
-    if (priv->context) {
-        g_signal_handlers_disconnect_by_data (priv->context, service);
-        priv->context = NULL;
-    }
-
-    G_OBJECT_CLASS (eekboard_service_parent_class)->dispose (object);
-}
-
-static void
-eekboard_service_finalize (GObject *object)
-{
-    EekboardService *service = EEKBOARD_SERVICE(object);
-    EekboardServicePrivate *priv = eekboard_service_get_instance_private (service);
-
-    g_free (priv->object_path);
-
-    G_OBJECT_CLASS (eekboard_service_parent_class)->finalize (object);
-}
-
-static gboolean
-handle_set_visible(SmPuriOSK0 *object, GDBusMethodInvocation *invocation,
-                   gboolean arg_visible, gpointer user_data) {
-    EekboardService *service = user_data;
-    EekboardServicePrivate *priv = eekboard_service_get_instance_private (service);
-
-    if (priv->context) {
-        if (arg_visible) {
-            eekboard_context_service_show_keyboard (priv->context);
-        } else {
-            eekboard_context_service_hide_keyboard (priv->context);
-        }
-    }
-    sm_puri_osk0_complete_set_visible(object, invocation);
-    return TRUE;
-}
-
-static void on_visible(EekboardService *service,
-                       GParamSpec *pspec,
-                       EekboardContextService *context)
-{
-    gboolean visible;
-    EekboardServicePrivate *priv;
-
-    g_return_if_fail (EEKBOARD_IS_SERVICE (service));
-    g_return_if_fail (EEKBOARD_IS_CONTEXT_SERVICE (context));
-
-    priv = eekboard_service_get_instance_private (service);
-    g_object_get (context, "visible", &visible, NULL);
-
-    sm_puri_osk0_set_visible(priv->dbus_interface, visible);
-}
-
-static void
-eekboard_service_constructed (GObject *object)
-{
-    EekboardService *service = EEKBOARD_SERVICE(object);
-    EekboardServicePrivate *priv = eekboard_service_get_instance_private (service);
-
-    priv->dbus_interface = sm_puri_osk0_skeleton_new();
-    g_signal_connect(priv->dbus_interface, "handle-set-visible",
-                     G_CALLBACK(handle_set_visible), service);
-
-    if (priv->connection && priv->object_path) {
-        GError *error = NULL;
-
-        if (!g_dbus_interface_skeleton_export(G_DBUS_INTERFACE_SKELETON(priv->dbus_interface),
-                                              priv->connection,
-                                              priv->object_path,
-                                              &error)) {
-            g_warning("Error registering dbus object: %s\n", error->message);
-            g_clear_error(&error);
-        }
-    }
-}
-
-static void
-eekboard_service_class_init (EekboardServiceClass *klass)
-{
-    GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
-    GParamSpec *pspec;
-
-    klass->create_context = NULL;
-
-    gobject_class->constructed = eekboard_service_constructed;
-    gobject_class->set_property = eekboard_service_set_property;
-    gobject_class->get_property = eekboard_service_get_property;
-    gobject_class->dispose = eekboard_service_dispose;
-    gobject_class->finalize = eekboard_service_finalize;
-
-    /**
-     * EekboardService::destroyed:
-     * @service: an #EekboardService
-     *
-     * The ::destroyed signal is emitted when the service is vanished.
-     */
-    signals[DESTROYED] =
-        g_signal_new (I_("destroyed"),
-                      G_TYPE_FROM_CLASS(gobject_class),
-                      G_SIGNAL_RUN_LAST,
-                      0,
-                      NULL,
-                      NULL,
-                      g_cclosure_marshal_VOID__VOID,
-                      G_TYPE_NONE,
-                      0);
-
-    /**
-     * EekboardService:object-path:
-     *
-     * D-Bus object path.
-     */
-    pspec = g_param_spec_string ("object-path",
-                                 "Object-path",
-                                 "Object-path",
-                                 NULL,
-                                 G_PARAM_CONSTRUCT | G_PARAM_READWRITE);
-    g_object_class_install_property (gobject_class,
-                                     PROP_OBJECT_PATH,
-                                     pspec);
-
-    /**
-     * EekboardService:connection:
-     *
-     * D-Bus connection.
-     */
-    pspec = g_param_spec_object ("connection",
-                                 "Connection",
-                                 "Connection",
-                                 G_TYPE_DBUS_CONNECTION,
-                                 G_PARAM_CONSTRUCT | G_PARAM_READWRITE);
-    g_object_class_install_property (gobject_class,
-                                     PROP_CONNECTION,
-                                     pspec);
-}
-
-static void
-eekboard_service_init (EekboardService *self)
-{
-    EekboardServicePrivate *priv = eekboard_service_get_instance_private (self);
-
-    priv->context = NULL;
-}
-
-/**
- * eekboard_service_new:
- * @connection: a #GDBusConnection
- * @object_path: object path
- */
-EekboardService *
-eekboard_service_new (GDBusConnection *connection,
-                      const gchar     *object_path)
-{
-    return g_object_new (EEKBOARD_TYPE_SERVICE,
-                         "object-path", object_path,
-                         "connection", connection,
-                         NULL);
-}
-
-void
-eekboard_service_set_context(EekboardService *service,
-                             EekboardContextService *context)
-{
-    EekboardServicePrivate *priv = eekboard_service_get_instance_private (service);
-
-    g_return_if_fail (!priv->context);
-
-    priv->context = context;
-
-    g_signal_connect_swapped (priv->context,
-                              "notify::visible",
-                              G_CALLBACK(on_visible),
-                              service);
-}

eekboard/eekboard-service.h

@@ -1,55 +0,0 @@
-/* 
- * Copyright (C) 2010-2011 Daiki Ueno <ueno@unixuser.org>
- * Copyright (C) 2010-2011 Red Hat, Inc.
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-#ifndef EEKBOARD_SERVICE_H
-#define EEKBOARD_SERVICE_H 1
-
-#define __EEKBOARD_SERVICE_H_INSIDE__ 1
-
-#include "eekboard/eekboard-context-service.h"
-
-G_BEGIN_DECLS
-
-#define EEKBOARD_SERVICE_PATH "/sm/puri/OSK0"
-#define EEKBOARD_SERVICE_INTERFACE "sm.puri.OSK0"
-
-#define EEKBOARD_TYPE_SERVICE (eekboard_service_get_type())
-G_DECLARE_DERIVABLE_TYPE (EekboardService, eekboard_service, EEKBOARD, SERVICE, GObject)
-
-/**
- * EekboardServiceClass:
- * @create_context: virtual function for creating a context
- */
-struct _EekboardServiceClass {
-    /*< private >*/
-    GObjectClass parent_class;
-
-    /*< public >*/
-    EekboardContextService *(*create_context) (EekboardService *self);
-
-    /*< private >*/
-    /* padding */
-    gpointer pdummy[24];
-};
-
-GType             eekboard_service_get_type (void) G_GNUC_CONST;
-EekboardService * eekboard_service_new      (GDBusConnection *connection,
-                                             const gchar     *object_path);
-void              eekboard_service_set_context(EekboardService *service,
-                                               EekboardContextService *context);
-G_END_DECLS
-#endif  /* EEKBOARD_SERVICE_H */

eekboard/key-emitter.c

@@ -1,136 +0,0 @@
-/*
- * Copyright (C) 2011 Daiki Ueno <ueno@unixuser.org>
- * Copyright (C) 2011 Red Hat, Inc.
- * Copyright (C) 2019 Purism, SPC
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/* This file is responsible for managing keycode data and emitting keycodes. */
-
-#include "eekboard/key-emitter.h"
-
-#include <gdk/gdk.h>
-#include <X11/XKBlib.h>
-
-#include "eekboard/eekboard-context-service.h"
-
-// TODO: decide whether it's this struct that carries the keyboard around in key-emitter or if the whole manager should be dragged around
-// if this is the carrier, then it should be made part of the manager
-// hint: check which fields need to be persisted between keypresses; which between keyboards
-typedef struct {
-    struct zwp_virtual_keyboard_v1 *virtual_keyboard; // unowned copy
-    struct xkb_keymap *keymap; // unowned copy
-    XkbDescRec *xkb;
-    guint modifier_keycodes[8];
-    guint modifier_indices[MOD_IDX_LAST];
-    guint group;
-} SeatEmitter;
-
-
-int send_virtual_keyboard_key(
-    struct zwp_virtual_keyboard_v1 *keyboard,
-    unsigned int keycode,
-    unsigned is_press,
-    uint32_t timestamp
-) {
-    zwp_virtual_keyboard_v1_key(keyboard, timestamp, keycode, (unsigned)is_press);
-    return 0;
-}
-
-/* Finds the first key code for each modifier and saves it in modifier_keycodes */
-static void
-update_modifier_info (SeatEmitter *client)
-{
-    client->modifier_indices[MOD_IDX_SHIFT] = xkb_keymap_mod_get_index(client->keymap, XKB_MOD_NAME_SHIFT);
-    client->modifier_indices[MOD_IDX_CAPS] = xkb_keymap_mod_get_index(client->keymap, XKB_MOD_NAME_CAPS);
-    client->modifier_indices[MOD_IDX_CTRL] = xkb_keymap_mod_get_index(client->keymap, XKB_MOD_NAME_CTRL);
-    client->modifier_indices[MOD_IDX_ALT] = xkb_keymap_mod_get_index(client->keymap, XKB_MOD_NAME_ALT);
-    client->modifier_indices[MOD_IDX_NUM] = xkb_keymap_mod_get_index(client->keymap, XKB_MOD_NAME_NUM);
-    client->modifier_indices[MOD_IDX_MOD3] = xkb_keymap_mod_get_index(client->keymap, "Mod3");
-    client->modifier_indices[MOD_IDX_LOGO] = xkb_keymap_mod_get_index(client->keymap, XKB_MOD_NAME_LOGO);
-    client->modifier_indices[MOD_IDX_ALTGR] = xkb_keymap_mod_get_index(client->keymap, "Mod5");
-    client->modifier_indices[MOD_IDX_NUMLK] = xkb_keymap_mod_get_index(client->keymap, "NumLock");
-    client->modifier_indices[MOD_IDX_ALSO_ALT] = xkb_keymap_mod_get_index(client->keymap, "Alt");
-    client->modifier_indices[MOD_IDX_LVL3] = xkb_keymap_mod_get_index(client->keymap, "LevelThree");
-    client->modifier_indices[MOD_IDX_LALT] = xkb_keymap_mod_get_index(client->keymap, "LAlt");
-    client->modifier_indices[MOD_IDX_RALT] = xkb_keymap_mod_get_index(client->keymap, "RAlt");
-    client->modifier_indices[MOD_IDX_RCONTROL] = xkb_keymap_mod_get_index(client->keymap, "RControl");
-    client->modifier_indices[MOD_IDX_LCONTROL] = xkb_keymap_mod_get_index(client->keymap, "LControl");
-    client->modifier_indices[MOD_IDX_SCROLLLK] = xkb_keymap_mod_get_index(client->keymap, "ScrollLock");
-    client->modifier_indices[MOD_IDX_LVL5] = xkb_keymap_mod_get_index(client->keymap, "LevelFive");
-    client->modifier_indices[MOD_IDX_ALSO_ALTGR] = xkb_keymap_mod_get_index(client->keymap, "AltGr");
-    client->modifier_indices[MOD_IDX_META] = xkb_keymap_mod_get_index(client->keymap, "Meta");
-    client->modifier_indices[MOD_IDX_SUPER] = xkb_keymap_mod_get_index(client->keymap, "Super");
-    client->modifier_indices[MOD_IDX_HYPER] = xkb_keymap_mod_get_index(client->keymap, "Hyper");
-
-    /*
-    for (xkb_mod_index_t i = 0;
-         i < xkb_keymap_num_mods(client->keymap);
-         i++) {
-        g_log("squeek", G_LOG_LEVEL_DEBUG, "%s", xkb_keymap_mod_get_name(client->keymap, i));
-    }*/
-}
-
-static void
-send_fake_key (SeatEmitter *emitter,
-               LevelKeyboard *keyboard,
-               guint    keycode,
-               gboolean pressed,
-               uint32_t timestamp)
-{
-    zwp_virtual_keyboard_v1_modifiers(emitter->virtual_keyboard, 0, 0, 0, 0);
-    send_virtual_keyboard_key (emitter->virtual_keyboard, keycode - 8, (unsigned)pressed, timestamp);
-    zwp_virtual_keyboard_v1_modifiers(emitter->virtual_keyboard, 0, 0, 0, 0);
-}
-
-void
-emit_key_activated (EekboardContextService *manager,
-                    LevelKeyboard     *keyboard,
-                    guint            keycode,
-                    gboolean pressed,
-                    uint32_t timestamp)
-{
-    /* FIXME: figure out how to deal with Client after key presses go through
-    if (g_strcmp0 (eek_symbol_get_name (symbol), "cycle-keyboard") == 0) {
-        client->keyboards_head = g_slist_next (client->keyboards_head);
-        if (client->keyboards_head == NULL)
-            client->keyboards_head = client->keyboards;
-        eekboard_context_set_keyboard (client->context,
-                                       GPOINTER_TO_UINT(client->keyboards_head->data),
-                                       NULL);
-        return;
-    }
-
-    if (g_strcmp0 (eek_symbol_get_name (symbol), "preferences") == 0) {
-        gchar *argv[2];
-        GError *error;
-
-        argv[0] = g_build_filename (LIBEXECDIR, "eekboard-setup", NULL);
-        argv[1] = NULL;
-
-        error = NULL;
-        if (!g_spawn_async (NULL, argv, NULL, 0, NULL, NULL, NULL, &error)) {
-            g_warning ("can't spawn %s: %s", argv[0], error->message);
-            g_error_free (error);
-        }
-        g_free (argv[0]);
-        return;
-    }
-*/
-    SeatEmitter emitter = {0};
-    emitter.virtual_keyboard = manager->virtual_keyboard;
-    update_modifier_info (&emitter);
-    send_fake_key (&emitter, keyboard, keycode, pressed, timestamp);
-}

eekboard/key-emitter.h

@@ -1,45 +0,0 @@
-#ifndef KEYEMITTER_H
-#define KEYEMITTER_H
-
-#include <inttypes.h>
-#include <glib.h>
-
-#include "eek/eek.h"
-
-#include "virtual-keyboard-unstable-v1-client-protocol.h"
-
-/// Indices obtained by xkb_keymap_mod_get_name
-enum mod_indices {
-    MOD_IDX_SHIFT,
-    MOD_IDX_CAPS,
-    MOD_IDX_CTRL,
-    MOD_IDX_ALT,
-    MOD_IDX_NUM,
-    MOD_IDX_MOD3,
-    MOD_IDX_LOGO,
-    MOD_IDX_ALTGR,
-    MOD_IDX_NUMLK, // Caution, not sure which is the right one
-    MOD_IDX_ALSO_ALT, // Not sure why, alt emits the first alt on my setup
-    MOD_IDX_LVL3,
-
-    // Not sure if the next 4 are used at all
-    MOD_IDX_LALT,
-    MOD_IDX_RALT,
-    MOD_IDX_RCONTROL,
-    MOD_IDX_LCONTROL,
-
-    MOD_IDX_SCROLLLK,
-    MOD_IDX_LVL5,
-    MOD_IDX_ALSO_ALTGR, // Not used on my layout
-    MOD_IDX_META,
-    MOD_IDX_SUPER,
-    MOD_IDX_HYPER,
-
-    MOD_IDX_LAST,
-};
-
-void
-emit_key_activated (EekboardContextService *manager, LevelKeyboard *keyboard,
-                    guint            keycode,
-                    gboolean pressed, uint32_t timestamp);
-#endif // KEYEMITTER_H

examples/test_layout.rs

@@ -5,6 +5,7 @@ use std::env;
 
 fn main() -> () {
     check_builtin_layout(
-        env::args().nth(1).expect("No argument given").as_str()
+        env::args().nth(1).expect("No argument given").as_str(),
+        env::args().nth(2).map(|s| s == "allow_missing_return").unwrap_or(false),
     );
 }

meson.build

@@ -1,7 +1,7 @@
 project(
     'squeekboard',
     'c', 'rust',
-    version: '1.8.0',
+    version: '1.9.3',
     license: 'GPLv3',
     meson_version: '>=0.51.0',
     default_options: [
@@ -19,6 +19,15 @@ add_project_arguments(
     '-Werror=missing-field-initializers',
     '-Werror=incompatible-pointer-types',
     '-Werror=int-conversion',
+    '-Werror=redundant-decls',
+    '-Wformat-nonliteral',
+    '-Wformat-security',
+    '-Winit-self',
+    '-Wmaybe-uninitialized',
+    '-Wold-style-definition',
+    '-Wredundant-decls',
+    '-Wstrict-prototypes',
+    '-Wunused-function',
   ],
   language: 'c'
 )
@@ -42,6 +51,7 @@ endif
 prefix = get_option('prefix')
 bindir = join_paths(prefix, get_option('bindir'))
 datadir = join_paths(prefix, get_option('datadir'))
+desktopdir = join_paths(datadir, 'applications')
 pkgdatadir = join_paths(datadir, meson.project_name())
 if get_option('depdatadir') == ''
   depdatadir = datadir
@@ -60,6 +70,32 @@ summary = [
 ]
 message('\n'.join(summary))
 
+# Rust deps are changing, depending on compile flags. Cargo can't handle it alone.
+cargo_toml_in = files('Cargo.toml.in')
+path_data = configuration_data()
+path_data.set('path', meson.source_root())
+cargo_toml_base = configure_file(
+    input: 'Cargo.toml.in',
+    output: 'Cargo.toml.base',
+    configuration: path_data,
+)
+
+
+cargo_deps = files('Cargo.deps')
+
+if get_option('legacy') == true
+    cargo_build_flags += ['--features', 'gtk_v0_5,gio_v0_5']
+    cargo_deps = files('Cargo.deps.legacy')
+endif
+    
+cat = find_program('cat')
+cargo_toml = custom_target(
+    'Cargo.toml',
+    output: 'Cargo.toml',
+    command: [cat, cargo_toml_base, cargo_deps],
+    capture: true,
+)
+
 dep_cargo = find_program('cargo')
 cargo_script = find_program('cargo.sh')
 cargo_build = find_program('cargo_build.sh')

meson_options.txt

@@ -6,3 +6,7 @@ option('depdatadir',
 option('tests',
        type: 'boolean', value: true,
        description: 'Whether to compile unit tests')
+
+option('legacy',
+       type: 'boolean', value: false,
+       description: 'Build with Deban Buster versions of dependencies')

squeekboard.doap

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Project xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns="http://usefulinc.com/ns/doap#" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:admin="http://webns.net/mvcb/">
+ <name>squeekboard</name>
+ <shortdesc>A Wayland virtual keyboard</shortdesc>
+ <description>A virtual keyboard supporting Wayland, built primarily for the Librem 5 phone.</description>
+ <homepage rdf:resource="https://source.puri.sm/Librem5/squeekboard" />
+ <bug-database rdf:resource="https://source.puri.sm/Librem5/squeekboard/issues" />
+ <os>Linux</os>
+ <license rdf:resource="http://usefulinc.com/doap/licenses/gpl" />
+ <maintainer>
+  <foaf:Person>
+     <foaf:name>Dorota Czaplejewicz</foaf:name>
+     <foaf:mbox rdf:resource="mailto:dorota.czaplejewicz@puri.sm" />
+  </foaf:Person>
+ </maintainer>
+ 
+</Project>

src/action.rs

@@ -6,12 +6,15 @@ use std::ffi::CString;
 #[derive(Debug, Clone, PartialEq)]
 pub struct KeySym(pub String);
 
-/// Use to switch layouts
-type Level = String;
+/// Use to switch views
+type View = String;
 
 /// Use to send modified keypresses
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub enum Modifier {
+    /// Control and Alt are the only modifiers
+    /// which doesn't interfere with levels,
+    /// so it's simple to implement as levels are deprecated in squeekboard.
     Control,
     Alt,
 }
@@ -20,21 +23,40 @@ pub enum Modifier {
 #[derive(Debug, Clone, PartialEq)]
 pub enum Action {
     /// Switch to this view
-    SetLevel(Level),
+    SetView(View),
     /// Switch to a view and latch
-    LockLevel {
-        lock: Level,
+    LockView {
+        lock: View,
         /// When unlocked by pressing it or emitting a key
-        unlock: Level,
+        unlock: View,
     },
-    /// Set this modifier TODO: release?
-    SetModifier(Modifier),
+    /// Hold this modifier for as long as the button is pressed
+    ApplyModifier(Modifier),
     /// Submit some text
     Submit {
-        /// Text to submit with input-method
+        /// Text to submit with input-method.
+        /// If None, then keys are to be submitted instead.
         text: Option<CString>,
         /// The key events this symbol submits when submitting text is not possible
         keys: Vec<KeySym>,
     },
+    /// Erase a position behind the cursor
+    Erase,
     ShowPreferences,
 }
+
+impl Action {
+    pub fn is_locked(&self, view_name: &str) -> bool {
+        match self {
+            Action::LockView { lock, unlock: _ } => lock == view_name,
+            _ => false,
+        }
+    }
+    pub fn is_active(&self, view_name: &str) -> bool {
+        match self {
+            Action::SetView(view) => view == view_name,
+            Action::LockView { lock, unlock: _ } => lock == view_name,
+            _ => false,
+        }
+    }
+}

src/data.rs

@@ -15,13 +15,14 @@ use std::vec::Vec;
 
 use xkbcommon::xkb;
 
+use ::action;
 use ::keyboard::{
     KeyState, PressType,
     generate_keymap, generate_keycodes, FormattingError
 };
 use ::layout;
 use ::layout::ArrangementKind;
-use ::logging::PrintWarnings;
+use ::logging;
 use ::resources;
 use ::util::c::as_str;
 use ::util::hash_map_map;
@@ -31,7 +32,7 @@ use ::xdg;
 use serde::Deserialize;
 use std::io::BufReader;
 use std::iter::FromIterator;
-use ::logging::WarningHandler;
+use ::logging::Warn;
 
 /// Gathers stuff defined in C or called by C
 pub mod c {
@@ -157,7 +158,7 @@ fn list_layout_sources(
 fn load_layout_data(source: DataSource)
     -> Result<::layout::LayoutData, LoadError>
 {
-    let handler = PrintWarnings{};
+    let handler = logging::Print {};
     match source {
         DataSource::File(path) => {
             Layout::from_file(path.clone())
@@ -190,16 +191,21 @@ fn load_layout_data_with_fallback(
                 (
                     LoadError::BadData(Error::Missing(e)),
                     DataSource::File(file)
-                ) => eprintln!( // TODO: print in debug logging level
+                ) => log_print!(
+                    logging::Level::Debug,
                     "Tried file {:?}, but it's missing: {}",
                     file, e
                 ),
-                (e, source) => eprintln!(
+                (e, source) => log_print!(
+                    logging::Level::Warning,
                     "Failed to load layout from {}: {}, skipping",
                     source, e
                 ),
             },
-            Ok(layout) => return (kind, layout),
+            Ok(layout) => {
+                log_print!(logging::Level::Info, "Loaded layout {}", source);
+                return (kind, layout);
+            }
         }
     }
 
@@ -234,14 +240,20 @@ type ButtonIds = String;
 #[derive(Debug, Default, Deserialize, PartialEq)]
 #[serde(deny_unknown_fields)]
 struct ButtonMeta {
-    /// Special action to perform on activation. Conflicts with keysym, text.
+    // TODO: structure (action, keysym, text, modifier) as an enum
+    // to detect conflicts and missing values at compile time
+    /// Special action to perform on activation.
+    /// Conflicts with keysym, text, modifier.
     action: Option<Action>,
     /// The name of the XKB keysym to emit on activation.
-    /// Conflicts with action, text
+    /// Conflicts with action, text, modifier.
     keysym: Option<String>,
     /// The text to submit on activation. Will be derived from ID if not present
-    /// Conflicts with action, keysym
+    /// Conflicts with action, keysym, modifier.
     text: Option<String>,
+    /// The modifier to apply while the key is locked
+    /// Conflicts with action, keysym, text
+    modifier: Option<Modifier>,
     /// If not present, will be derived from text or the button ID
     label: Option<String>,
     /// Conflicts with label
@@ -259,6 +271,23 @@ enum Action {
     SetView(String),
     #[serde(rename="show_prefs")]
     ShowPrefs,
+    /// Remove last character
+    #[serde(rename="erase")]
+    Erase,
+}
+
+#[derive(Debug, Clone, PartialEq, Deserialize)]
+#[serde(deny_unknown_fields)]
+enum Modifier {
+    Control,
+    Shift,
+    Lock,
+    #[serde(alias="Mod1")]
+    Alt,
+    Mod2,
+    Mod3,
+    Mod4,
+    Mod5,
 }
 
 #[derive(Debug, Clone, Deserialize, PartialEq)]
@@ -330,7 +359,7 @@ impl Layout {
         serde_yaml::from_reader(infile).map_err(Error::Yaml)
     }
 
-    pub fn build<H: WarningHandler>(self, mut warning_handler: H)
+    pub fn build<H: logging::Handler>(self, mut warning_handler: H)
         -> (Result<::layout::LayoutData, FormattingError>, H)
     {
         let button_names = self.views.values()
@@ -353,53 +382,43 @@ impl Layout {
                 )
             )}).collect();
 
-        let keymap: HashMap<String, u32> = generate_keycodes(
-            button_actions.iter()
-                .filter_map(|(_name, action)| {
-                    match action {
-                        ::action::Action::Submit {
-                            text: _, keys,
-                        } => Some(keys),
-                        _ => None,
-                    }
-                })
-                .flatten()
-                .map(|named_keysym| named_keysym.0.as_str())
+        let symbolmap: HashMap<String, u32> = generate_keycodes(
+            extract_symbol_names(&button_actions)
         );
 
-        let button_states = button_actions.into_iter().map(|(name, action)| {
-            let keycodes = match &action {
-                ::action::Action::Submit { text: _, keys } => {
-                    keys.iter().map(|named_keycode| {
-                        *keymap.get(named_keycode.0.as_str())
-                            .expect(
-                                format!(
-                                    "keycode {} in key {} missing from keymap",
-                                    named_keycode.0,
-                                    name
-                                ).as_str()
-                            )
-                    }).collect()
-                },
-                _ => Vec::new(),
-            };
-            (
-                name.into(),
-                KeyState {
-                    pressed: PressType::Released,
-                    locked: false,
-                    keycodes,
-                    action,
-                }
-            )
-        });
-
         let button_states = HashMap::<String, KeyState>::from_iter(
-            button_states
+            button_actions.into_iter().map(|(name, action)| {
+                let keycodes = match &action {
+                    ::action::Action::Submit { text: _, keys } => {
+                        keys.iter().map(|named_keysym| {
+                            *symbolmap.get(named_keysym.0.as_str())
+                                .expect(
+                                    format!(
+                                        "keysym {} in key {} missing from symbol map",
+                                        named_keysym.0,
+                                        name
+                                    ).as_str()
+                                )
+                        }).collect()
+                    },
+                    action::Action::Erase => vec![
+                        *symbolmap.get("BackSpace")
+                            .expect(&format!("BackSpace missing from symbol map")),
+                    ],
+                    _ => Vec::new(),
+                };
+                (
+                    name.into(),
+                    KeyState {
+                        pressed: PressType::Released,
+                        keycodes,
+                        action,
+                    }
+                )
+            })
         );
 
-        // TODO: generate from symbols
-        let keymap_str = match generate_keymap(&button_states) {
+        let keymap_str = match generate_keymap(symbolmap) {
             Err(e) => { return (Err(e), warning_handler) },
             Ok(v) => v,
         };
@@ -412,8 +431,8 @@ impl Layout {
             )}
         );
 
-        let views = HashMap::from_iter(
-            self.views.iter().map(|(name, view)| {
+        let views: Vec<_> = self.views.iter()
+            .map(|(name, view)| {
                 let rows = view.iter().map(|row| {
                     let buttons = row.split_ascii_whitespace()
                         .map(|name| {
@@ -427,22 +446,38 @@ impl Layout {
                                 &mut warning_handler,
                             ))
                         });
-                    ::layout::Row {
-                        angle: 0,
-                        buttons: add_offsets(
+                    layout::Row::new(
+                        add_offsets(
                             buttons,
                             |button| button.size.width,
                         ).collect()
-                    }
+                    )
                 });
-                let rows = add_offsets(rows, |row| row.get_height())
+                let rows = add_offsets(rows, |row| row.get_size().height)
                     .collect();
                 (
                     name.clone(),
                     layout::View::new(rows)
                 )
-            })
-        );
+            }).collect();
+
+        // Center views on the same point.
+        let views = {
+            let total_size = layout::View::calculate_super_size(
+                views.iter().map(|(_name, view)| view).collect()
+            );
+
+            HashMap::from_iter(views.into_iter().map(|(name, view)| (
+                name,
+                (
+                    layout::c::Point {
+                        x: (total_size.width - view.get_size().width) / 2.0,
+                        y: (total_size.height - view.get_size().height) / 2.0,
+                    },
+                    view,
+                ),
+            )))
+        };
 
         (
             Ok(::layout::LayoutData {
@@ -464,7 +499,7 @@ impl Layout {
     }
 }
 
-fn create_action<H: WarningHandler>(
+fn create_action<H: logging::Handler>(
     button_info: &HashMap<String, ButtonMeta>,
     name: &str,
     view_names: Vec<&String>,
@@ -482,27 +517,35 @@ fn create_action<H: WarningHandler>(
         Action(Action),
         Text(String),
         Keysym(String),
+        Modifier(Modifier),
     };
     
     let submission = match (
         &symbol_meta.action,
         &symbol_meta.keysym,
-        &symbol_meta.text
+        &symbol_meta.text,
+        &symbol_meta.modifier,
     ) {
-        (Some(action), None, None) => SubmitData::Action(action.clone()),
-        (None, Some(keysym), None) => SubmitData::Keysym(keysym.clone()),
-        (None, None, Some(text)) => SubmitData::Text(text.clone()),
-        (None, None, None) => SubmitData::Text(name.into()),
+        (Some(action), None, None, None) => SubmitData::Action(action.clone()),
+        (None, Some(keysym), None, None) => SubmitData::Keysym(keysym.clone()),
+        (None, None, Some(text), None) => SubmitData::Text(text.clone()),
+        (None, None, None, Some(modifier)) => {
+            SubmitData::Modifier(modifier.clone())
+        },
+        (None, None, None, None) => SubmitData::Text(name.into()),
         _ => {
-            warning_handler.handle(&format!(
-                "Button {} has more than one of (action, keysym, text)",
-                name
-            ));
+            warning_handler.handle(
+                logging::Level::Warning,
+                &format!(
+                    "Button {} has more than one of (action, keysym, text, modifier)",
+                    name,
+                ),
+            );
             SubmitData::Text("".into())
         },
     };
 
-    fn filter_view_name<H: WarningHandler>(
+    fn filter_view_name<H: logging::Handler>(
         button_name: &str,
         view_name: String,
         view_names: &Vec<&String>,
@@ -511,10 +554,13 @@ fn create_action<H: WarningHandler>(
         if view_names.contains(&&view_name) {
             view_name
         } else {
-            warning_handler.handle(&format!("Button {} switches to missing view {}",
-                button_name,
-                view_name,
-            ));
+            warning_handler.handle(
+                logging::Level::Warning,
+                &format!("Button {} switches to missing view {}",
+                    button_name,
+                    view_name,
+                ),
+            );
             "base".into()
         }
     }
@@ -522,7 +568,7 @@ fn create_action<H: WarningHandler>(
     match submission {
         SubmitData::Action(
             Action::SetView(view_name)
-        ) => ::action::Action::SetLevel(
+        ) => ::action::Action::SetView(
             filter_view_name(
                 name, view_name.clone(), &view_names,
                 warning_handler,
@@ -530,7 +576,7 @@ fn create_action<H: WarningHandler>(
         ),
         SubmitData::Action(Action::Locking {
             lock_view, unlock_view
-        }) => ::action::Action::LockLevel {
+        }) => ::action::Action::LockView {
             lock: filter_view_name(
                 name,
                 lock_view.clone(),
@@ -547,33 +593,31 @@ fn create_action<H: WarningHandler>(
         SubmitData::Action(
             Action::ShowPrefs
         ) => ::action::Action::ShowPreferences,
+        SubmitData::Action(Action::Erase) => action::Action::Erase,
         SubmitData::Keysym(keysym) => ::action::Action::Submit {
             text: None,
             keys: vec!(::action::KeySym(
                 match keysym_valid(keysym.as_str()) {
                     true => keysym.clone(),
                     false => {
-                        warning_handler.handle(&format!(
-                            "Keysym name invalid: {}",
-                            keysym,
-                        ));
+                        warning_handler.handle(
+                            logging::Level::Warning,
+                            &format!(
+                                "Keysym name invalid: {}",
+                                keysym,
+                            ),
+                        );
                         "space".into() // placeholder
                     },
                 }
             )),
         },
         SubmitData::Text(text) => ::action::Action::Submit {
-            text: {
-                CString::new(text.clone())
-                    .map_err(|e| {
-                        warning_handler.handle(&format!(
-                            "Text {} contains problems: {:?}",
-                            text,
-                            e
-                        ));
-                        e
-                    }).ok()
-            },
+            text: CString::new(text.clone()).or_warn(
+                warning_handler,
+                logging::Problem::Warning,
+                &format!("Text {} contains problems", text),
+            ),
             keys: text.chars().map(|codepoint| {
                 let codepoint_string = codepoint.to_string();
                 ::action::KeySym(match keysym_valid(codepoint_string.as_str()) {
@@ -581,13 +625,33 @@ fn create_action<H: WarningHandler>(
                     false => format!("U{:04X}", codepoint as u32),
                 })
             }).collect(),
-        }
+        },
+        SubmitData::Modifier(modifier) => match modifier {
+            Modifier::Control => action::Action::ApplyModifier(
+                action::Modifier::Control,
+            ),
+            Modifier::Alt => action::Action::ApplyModifier(
+                action::Modifier::Alt,
+            ),
+            unsupported_modifier => {
+                warning_handler.handle(
+                    logging::Level::Bug,
+                    &format!(
+                        "Modifier {:?} unsupported", unsupported_modifier,
+                    ),
+                );
+                action::Action::Submit {
+                    text: None,
+                    keys: Vec::new(),
+                }
+            },
+        },
     }
 }
 
 /// TODO: Since this will receive user-provided data,
 /// all .expect() on them should be turned into soft fails
-fn create_button<H: WarningHandler>(
+fn create_button<H: logging::Handler>(
     button_info: &HashMap<String, ButtonMeta>,
     outlines: &HashMap<String, Outline>,
     name: &str,
@@ -611,14 +675,11 @@ fn create_button<H: WarningHandler>(
     } else if let Some(text) = &button_meta.text {
         ::layout::Label::Text(
             CString::new(text.as_str())
-                .unwrap_or_else(|e| {
-                    warning_handler.handle(&format!(
-                        "Text {} is invalid: {}",
-                        text,
-                        e,
-                    ));
-                    CString::new("").unwrap()
-                })
+                .or_warn(
+                    warning_handler,
+                    logging::Problem::Warning,
+                    &format!("Text {} is invalid", text),
+                ).unwrap_or_else(|| CString::new("").unwrap())
         )
     } else {
         ::layout::Label::Text(cname.clone())
@@ -629,7 +690,10 @@ fn create_button<H: WarningHandler>(
             if outlines.contains_key(outline) {
                 outline.clone()
             } else {
-                warning_handler.handle(&format!("Outline named {} does not exist! Using default for button {}", outline, name));
+                warning_handler.handle(
+                    logging::Level::Warning,
+                    &format!("Outline named {} does not exist! Using default for button {}", outline, name)
+                );
                 "default".into()
             }
         }
@@ -638,12 +702,11 @@ fn create_button<H: WarningHandler>(
 
     let outline = outlines.get(&outline_name)
         .map(|outline| (*outline).clone())
-        .unwrap_or_else(|| {
-            warning_handler.handle(
-                &format!("No default outline defined! Using 1x1!")
-            );
-            Outline { width: 1f64, height: 1f64 }
-        });
+        .or_warn(
+            warning_handler,
+            logging::Problem::Warning,
+            "No default outline defined! Using 1x1!",
+        ).unwrap_or(Outline { width: 1f64, height: 1f64 });
 
     layout::Button {
         name: cname,
@@ -658,17 +721,41 @@ fn create_button<H: WarningHandler>(
     }
 }
 
+fn extract_symbol_names<'a>(actions: &'a [(&str, action::Action)])
+    -> impl Iterator<Item=&'a str>
+{
+    actions.iter()
+        .filter_map(|(_name, act)| {
+            match act {
+                action::Action::Submit {
+                    text: _, keys,
+                } => Some(keys),
+                _ => None,
+            }
+        })
+        .flatten()
+        .map(|named_keysym| named_keysym.0.as_str())
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
-    
-    use std::error::Error as ErrorTrait;
-    use ::logging::PanicWarn;
+
+    use ::logging::ProblemPanic;
+
+    const THIS_FILE: &str = file!();
+
+    fn path_from_root(file: &'static str) -> PathBuf {
+        PathBuf::from(THIS_FILE)
+            .parent().unwrap()
+            .parent().unwrap()
+            .join(file)
+    }
 
     #[test]
     fn test_parse_path() {
         assert_eq!(
-            Layout::from_file(PathBuf::from("tests/layout.yaml")).unwrap(),
+            Layout::from_file(path_from_root("tests/layout.yaml")).unwrap(),
             Layout {
                 margins: Margins { top: 0f64, bottom: 0f64, side: 0f64 },
                 views: hashmap!(
@@ -680,6 +767,7 @@ mod tests {
                         keysym: None,
                         action: None,
                         text: None,
+                        modifier: None,
                         label: Some("test".into()),
                         outline: None,
                     }
@@ -694,13 +782,14 @@ mod tests {
     /// Check if the default protection works
     #[test]
     fn test_empty_views() {
-        let out = Layout::from_file(PathBuf::from("tests/layout2.yaml"));
+        let out = Layout::from_file(path_from_root("tests/layout2.yaml"));
         match out {
             Ok(_) => assert!(false, "Data mistakenly accepted"),
             Err(e) => {
                 let mut handled = false;
                 if let Error::Yaml(ye) = &e {
-                    handled = ye.description() == "missing field `views`";
+                    handled = ye.to_string()
+                        .starts_with("missing field `views`");
                 };
                 if !handled {
                     println!("Unexpected error {:?}", e);
@@ -712,13 +801,13 @@ mod tests {
 
     #[test]
     fn test_extra_field() {
-        let out = Layout::from_file(PathBuf::from("tests/layout3.yaml"));
+        let out = Layout::from_file(path_from_root("tests/layout3.yaml"));
         match out {
             Ok(_) => assert!(false, "Data mistakenly accepted"),
             Err(e) => {
                 let mut handled = false;
                 if let Error::Yaml(ye) = &e {
-                    handled = ye.description()
+                    handled = ye.to_string()
                         .starts_with("unknown field `bad_field`");
                 };
                 if !handled {
@@ -731,14 +820,14 @@ mod tests {
     
     #[test]
     fn test_layout_punctuation() {
-        let out = Layout::from_file(PathBuf::from("tests/layout_key1.yaml"))
+        let out = Layout::from_file(path_from_root("tests/layout_key1.yaml"))
             .unwrap()
-            .build(PanicWarn).0
+            .build(ProblemPanic).0
             .unwrap();
         assert_eq!(
-            out.views["base"]
+            out.views["base"].1
                 .get_rows()[0].1
-                .buttons[0].1
+                .get_buttons()[0].1
                 .label,
             ::layout::Label::Text(CString::new("test").unwrap())
         );
@@ -746,14 +835,14 @@ mod tests {
 
     #[test]
     fn test_layout_unicode() {
-        let out = Layout::from_file(PathBuf::from("tests/layout_key2.yaml"))
+        let out = Layout::from_file(path_from_root("tests/layout_key2.yaml"))
             .unwrap()
-            .build(PanicWarn).0
+            .build(ProblemPanic).0
             .unwrap();
         assert_eq!(
-            out.views["base"]
+            out.views["base"].1
                 .get_rows()[0].1
-                .buttons[0].1
+                .get_buttons()[0].1
                 .label,
             ::layout::Label::Text(CString::new("test").unwrap())
         );
@@ -762,24 +851,41 @@ mod tests {
     /// Test multiple codepoints
     #[test]
     fn test_layout_unicode_multi() {
-        let out = Layout::from_file(PathBuf::from("tests/layout_key3.yaml"))
+        let out = Layout::from_file(path_from_root("tests/layout_key3.yaml"))
             .unwrap()
-            .build(PanicWarn).0
+            .build(ProblemPanic).0
             .unwrap();
         assert_eq!(
-            out.views["base"]
+            out.views["base"].1
                 .get_rows()[0].1
-                .buttons[0].1
+                .get_buttons()[0].1
                 .state.borrow()
                 .keycodes.len(),
             2
         );
     }
 
+    /// Test if erase yields a useable keycode
+    #[test]
+    fn test_layout_erase() {
+        let out = Layout::from_file(path_from_root("tests/layout_erase.yaml"))
+            .unwrap()
+            .build(ProblemPanic).0
+            .unwrap();
+        assert_eq!(
+            out.views["base"].1
+                .get_rows()[0].1
+                .buttons[0].1
+                .state.borrow()
+                .keycodes.len(),
+            1
+        );
+    }
+
     #[test]
     fn parsing_fallback() {
         assert!(Layout::from_resource(FALLBACK_LAYOUT_NAME)
-            .map(|layout| layout.build(PanicWarn).0.unwrap())
+            .map(|layout| layout.build(ProblemPanic).0.unwrap())
             .is_ok()
         );
     }
@@ -821,13 +927,14 @@ mod tests {
                         keysym: None,
                         text: None,
                         action: None,
+                        modifier: None,
                         label: Some("test".into()),
                         outline: None,
                     }
                 },
                 ".",
                 Vec::new(),
-                &mut PanicWarn,
+                &mut ProblemPanic,
             ),
             ::action::Action::Submit {
                 text: Some(CString::new(".").unwrap()),
@@ -838,9 +945,9 @@ mod tests {
 
     #[test]
     fn test_layout_margins() {
-        let out = Layout::from_file(PathBuf::from("tests/layout_margins.yaml"))
+        let out = Layout::from_file(path_from_root("tests/layout_margins.yaml"))
             .unwrap()
-            .build(PanicWarn).0
+            .build(ProblemPanic).0
             .unwrap();
         assert_eq!(
             out.margins,
@@ -852,4 +959,35 @@ mod tests {
             }
         );
     }
+
+    #[test]
+    fn test_extract_symbols() {
+        let actions = [(
+            "ac",
+            action::Action::Submit {
+                text: None,
+                keys: vec![
+                    action::KeySym("a".into()),
+                    action::KeySym("c".into()),
+                ],
+            },
+        )];
+        assert_eq!(
+            extract_symbol_names(&actions[..]).collect::<Vec<_>>(),
+            vec!["a", "c"],
+        );
+    }
+
+    #[test]
+    fn test_extract_symbols_erase() {
+        let actions = [(
+            "Erase",
+            action::Action::Erase,
+        )];
+        assert_eq!(
+            extract_symbol_names(&actions[..]).collect::<Vec<_>>(),
+            Vec::<&str>::new(), //"BackSpace"], // TODO: centralize handling of BackSpace
+        );
+    }
+
 }

src/dbus.c

@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2010-2011 Daiki Ueno <ueno@unixuser.org>
+ * Copyright (C) 2010-2011 Red Hat, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include "dbus.h"
+
+#include <stdio.h>
+#include <gio/gio.h>
+
+void
+dbus_handler_destroy(DBusHandler *service)
+{
+    g_free (service->object_path);
+
+    if (service->connection) {
+        if (service->registration_id > 0) {
+            g_dbus_connection_unregister_object (service->connection,
+                                                 service->registration_id);
+            service->registration_id = 0;
+        }
+
+        g_object_unref (service->connection);
+        service->connection = NULL;
+    }
+
+    if (service->introspection_data) {
+        g_dbus_node_info_unref (service->introspection_data);
+        service->introspection_data = NULL;
+    }
+
+    if (service->context) {
+        g_signal_handlers_disconnect_by_data (service->context, service);
+        service->context = NULL;
+    }
+
+    free(service);
+}
+
+static gboolean
+handle_set_visible(SmPuriOSK0 *object, GDBusMethodInvocation *invocation,
+                   gboolean arg_visible, gpointer user_data) {
+    DBusHandler *service = user_data;
+
+    if (service->context) {
+        if (arg_visible) {
+            server_context_service_show_keyboard (service->context);
+        } else {
+            server_context_service_hide_keyboard (service->context);
+        }
+    }
+    sm_puri_osk0_complete_set_visible(object, invocation);
+    return TRUE;
+}
+
+static void on_visible(DBusHandler *service,
+                       GParamSpec *pspec,
+                       ServerContextService *context)
+{
+    (void)pspec;
+    gboolean visible;
+
+    g_return_if_fail (SERVER_IS_CONTEXT_SERVICE (context));
+
+    g_object_get (context, "visible", &visible, NULL);
+
+    sm_puri_osk0_set_visible(service->dbus_interface, visible);
+}
+
+DBusHandler *
+dbus_handler_new (GDBusConnection *connection,
+                      const gchar     *object_path)
+{
+    DBusHandler *self = calloc(1, sizeof(DBusHandler));
+    self->object_path = g_strdup(object_path);
+    self->connection = connection;
+
+    self->dbus_interface = sm_puri_osk0_skeleton_new();
+    g_signal_connect(self->dbus_interface, "handle-set-visible",
+                     G_CALLBACK(handle_set_visible), self);
+
+    if (self->connection && self->object_path) {
+        GError *error = NULL;
+
+        if (!g_dbus_interface_skeleton_export(G_DBUS_INTERFACE_SKELETON(self->dbus_interface),
+                                              self->connection,
+                                              self->object_path,
+                                              &error)) {
+            g_warning("Error registering dbus object: %s\n", error->message);
+            g_clear_error(&error);
+            // TODO: return an error
+        }
+    }
+    return self;
+}
+
+void
+dbus_handler_set_ui_context(DBusHandler *service,
+                             ServerContextService *context)
+{
+    g_return_if_fail (!service->context);
+
+    service->context = context;
+
+    g_signal_connect_swapped (service->context,
+                              "notify::visible",
+                              G_CALLBACK(on_visible),
+                              service);
+}

src/dbus.h

@@ -0,0 +1,48 @@
+/* 
+ * Copyright (C) 2010-2011 Daiki Ueno <ueno@unixuser.org>
+ * Copyright (C) 2010-2011 Red Hat, Inc.
+ * Copyright (C) 2019-2020 Purism, SPC
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef DBUS_H_
+#define DBUS_H_ 1
+
+#include "server-context-service.h"
+
+#include "sm.puri.OSK0.h"
+
+G_BEGIN_DECLS
+
+#define DBUS_SERVICE_PATH "/sm/puri/OSK0"
+#define DBUS_SERVICE_INTERFACE "sm.puri.OSK0"
+
+typedef struct _DBusHandler
+{
+    GDBusConnection *connection;
+    SmPuriOSK0 *dbus_interface;
+    GDBusNodeInfo *introspection_data;
+    guint registration_id;
+    char *object_path;
+
+    ServerContextService *context; // unowned reference
+} DBusHandler;
+
+DBusHandler * dbus_handler_new      (GDBusConnection *connection,
+                                             const gchar     *object_path);
+void              dbus_handler_set_ui_context(DBusHandler *service,
+                                               ServerContextService *context);
+void dbus_handler_destroy(DBusHandler*);
+G_END_DECLS
+#endif  /* DBUS_H_ */

src/drawing.rs

@@ -3,9 +3,11 @@
 use cairo;
 use std::cell::RefCell;
 
+use ::action::Action;
 use ::keyboard;
 use ::layout::{ Button, Layout };
 use ::layout::c::{ EekGtkKeyboard, Point };
+use ::submission::Submission;
 
 use glib::translate::FromGlibPtrNone;
 use gtk::WidgetExt;
@@ -37,30 +39,37 @@ mod c {
         );
     }
 
+    /// Draws all buttons that are not in the base state
     #[no_mangle]
     pub extern "C"
     fn squeek_layout_draw_all_changed(
         layout: *mut Layout,
         renderer: EekRenderer,
         cr: *mut cairo_sys::cairo_t,
+        submission: *const Submission,
     ) {
         let layout = unsafe { &mut *layout };
+        let submission = unsafe { &*submission };
         let cr = unsafe { cairo::Context::from_raw_none(cr) };
+        let active_modifiers = submission.get_active_modifiers();
 
-        let view = layout.get_current_view();
-        for (row_offset, row) in &view.get_rows() {
-            for (x_offset, button) in &row.buttons {
-                let state = RefCell::borrow(&button.state).clone();
-                if state.pressed == keyboard::PressType::Pressed || state.locked {
-                    render_button_at_position(
-                        renderer, &cr,
-                        row_offset + Point { x: *x_offset, y: 0.0 },
-                        button.as_ref(),
-                        state.pressed, state.locked,
-                    );
-                }
+        layout.foreach_visible_button(|offset, button| {
+            let state = RefCell::borrow(&button.state).clone();
+            let active_mod = match &state.action {
+                Action::ApplyModifier(m) => active_modifiers.contains(m),
+                _ => false,
+            };
+            let locked = state.action.is_active(&layout.current_view)
+                | active_mod;
+            if state.pressed == keyboard::PressType::Pressed || locked {
+                render_button_at_position(
+                    renderer, &cr,
+                    offset,
+                    button.as_ref(),
+                    state.pressed, locked,
+                );
             }
-        }
+        })
     }
     
     #[no_mangle]
@@ -72,17 +81,15 @@ mod c {
     ) {
         let layout = unsafe { &mut *layout };
         let cr = unsafe { cairo::Context::from_raw_none(cr) };
-        let view = layout.get_current_view();
-        for (row_offset, row) in &view.get_rows() {
-            for (x_offset, button) in &row.buttons {
-                render_button_at_position(
-                    renderer, &cr,
-                    row_offset + Point { x: *x_offset, y: 0.0 },
-                    button.as_ref(),
-                    keyboard::PressType::Released, false,
-                );
-            }
-        }
+        
+        layout.foreach_visible_button(|offset, button| {
+            render_button_at_position(
+                renderer, &cr,
+                offset,
+                button.as_ref(),
+                keyboard::PressType::Released, false,
+            );
+        })
     }
 }
 

src/imservice.c

@@ -1,9 +1,17 @@
-#include "imservice.h"
+#include "submission.h"
 
 #include <glib.h>
 
-#include "eekboard/eekboard-context-service.h"
+struct imservice;
 
+void imservice_handle_input_method_activate(void *data, struct zwp_input_method_v2 *input_method);
+void imservice_handle_input_method_deactivate(void *data, struct zwp_input_method_v2 *input_method);
+void imservice_handle_surrounding_text(void *data, struct zwp_input_method_v2 *input_method,
+                                       const char *text, uint32_t cursor, uint32_t anchor);
+void imservice_handle_done(void *data, struct zwp_input_method_v2 *input_method);
+void imservice_handle_content_type(void *data, struct zwp_input_method_v2 *input_method, uint32_t hint, uint32_t purpose);
+void imservice_handle_text_change_cause(void *data, struct zwp_input_method_v2 *input_method, uint32_t cause);
+void imservice_handle_unavailable(void *data, struct zwp_input_method_v2 *input_method);
 
 static const struct zwp_input_method_v2_listener input_method_listener = {
     .activate = imservice_handle_input_method_activate,
@@ -11,29 +19,51 @@ static const struct zwp_input_method_v2_listener input_method_listener = {
     .surrounding_text = imservice_handle_surrounding_text,
     .text_change_cause = imservice_handle_text_change_cause,
     .content_type = imservice_handle_content_type,
-    .done = imservice_handle_commit_state,
+    .done = imservice_handle_done,
     .unavailable = imservice_handle_unavailable,
 };
 
-struct imservice* get_imservice(EekboardContextService *context,
-                                struct zwp_input_method_manager_v2 *manager,
-                                struct wl_seat *seat) {
-    struct zwp_input_method_v2 *im = zwp_input_method_manager_v2_get_input_method(manager, seat);
-    struct imservice *imservice = imservice_new(im, context);
+struct submission* get_submission(struct zwp_input_method_manager_v2 *immanager,
+                                  struct zwp_virtual_keyboard_manager_v1 *vkmanager,
+                                  struct wl_seat *seat,
+                                  EekboardContextService *state) {
+    struct zwp_input_method_v2 *im = NULL;
+    if (immanager) {
+        im = zwp_input_method_manager_v2_get_input_method(immanager, seat);
+    }
+    struct zwp_virtual_keyboard_v1 *vk = NULL;
+    if (vkmanager) {
+        vk = zwp_virtual_keyboard_manager_v1_create_virtual_keyboard(vkmanager, seat);
+    }
+    return submission_new(im, vk, state);
+}
 
-    /* Add a listener, passing the imservice instance to make it available to
-       callbacks. */
+/// Un-inlined
+struct zwp_input_method_v2 *imservice_manager_get_input_method(struct zwp_input_method_manager_v2 *manager,
+                                   struct wl_seat *seat) {
+    return zwp_input_method_manager_v2_get_input_method(manager, seat);
+}
+
+/// Un-inlined to let Rust link to it
+void imservice_connect_listeners(struct zwp_input_method_v2 *im, struct imservice* imservice) {
     zwp_input_method_v2_add_listener(im, &input_method_listener, imservice);
-
-    return imservice;
 }
 
-void imservice_make_visible(EekboardContextService *context) {
-    eekboard_context_service_show_keyboard (context);
+void
+eek_input_method_commit_string(struct zwp_input_method_v2 *zwp_input_method_v2, const char *text)
+{
+    zwp_input_method_v2_commit_string(zwp_input_method_v2, text);
 }
 
-void imservice_try_hide(EekboardContextService *context) {
-    eekboard_context_service_hide_keyboard (context);
+void
+eek_input_method_delete_surrounding_text(struct zwp_input_method_v2 *zwp_input_method_v2, uint32_t before_length, uint32_t after_length) {
+    zwp_input_method_v2_delete_surrounding_text(zwp_input_method_v2, before_length, after_length);
+};
+
+void
+eek_input_method_commit(struct zwp_input_method_v2 *zwp_input_method_v2, uint32_t serial)
+{
+    zwp_input_method_v2_commit(zwp_input_method_v2, serial);
 }
 
 /// Declared explicitly because _destroy is inline,

src/imservice.h

@@ -1,25 +0,0 @@
-#ifndef __IMSERVICE_H
-#define __IMSERVICE_H
-
-#include "input-method-unstable-v2-client-protocol.h"
-#include "eek/eek-types.h"
-
-struct imservice;
-
-struct imservice* get_imservice(EekboardContextService *context,
-                                struct zwp_input_method_manager_v2 *manager,
-                                struct wl_seat *seat);
-
-// Defined in Rust
-struct imservice* imservice_new(struct zwp_input_method_v2 *im,
-                                EekboardContextService *context);
-void imservice_handle_input_method_activate(void *data, struct zwp_input_method_v2 *input_method);
-void imservice_handle_input_method_deactivate(void *data, struct zwp_input_method_v2 *input_method);
-void imservice_handle_surrounding_text(void *data, struct zwp_input_method_v2 *input_method,
-                                       const char *text, uint32_t cursor, uint32_t anchor);
-void imservice_handle_commit_state(void *data, struct zwp_input_method_v2 *input_method);
-void imservice_handle_content_type(void *data, struct zwp_input_method_v2 *input_method, uint32_t hint, uint32_t purpose);
-void imservice_handle_text_change_cause(void *data, struct zwp_input_method_v2 *input_method, uint32_t cause);
-void imservice_handle_unavailable(void *data, struct zwp_input_method_v2 *input_method);
-
-#endif

src/imservice.rs

@@ -1,63 +1,60 @@
+/*! Manages zwp_input_method_v2 protocol.
+ * 
+ * Library module.
+ */
+
 use std::boxed::Box;
 use std::ffi::CString;
+use std::fmt;
 use std::num::Wrapping;
 use std::string::String;
 
+use ::logging;
 use ::util::c::into_cstring;
 
 // Traits
 use std::convert::TryFrom;
+use ::logging::Warn;
 
 
 /// Gathers stuff defined in C or called by C
 pub mod c {
     use super::*;
-    
+
     use std::os::raw::{c_char, c_void};
 
+    pub use ::submission::c::UIManager;
+    pub use ::submission::c::StateManager;
+
     // The following defined in C
         
     /// struct zwp_input_method_v2*
     #[repr(transparent)]
     pub struct InputMethod(*const c_void);
-    
-    /// EekboardContextService*
-    #[repr(transparent)]
-    pub struct UIManager(*const c_void);
-    
+
     #[no_mangle]
     extern "C" {
         fn imservice_destroy_im(im: *mut c::InputMethod);
-        fn eekboard_context_service_set_hint_purpose(imservice: *const UIManager, hint: u32, purpose: u32);
-        fn eekboard_context_service_show_keyboard(imservice: *const UIManager);
-        fn eekboard_context_service_hide_keyboard(imservice: *const UIManager);
+        #[allow(improper_ctypes)] // IMService will never be dereferenced in C
+        pub fn imservice_connect_listeners(im: *mut InputMethod, imservice: *const IMService);
+        pub fn eek_input_method_commit_string(im: *mut InputMethod, text: *const c_char);
+        pub fn eek_input_method_delete_surrounding_text(im: *mut InputMethod, before: u32, after: u32);
+        pub fn eek_input_method_commit(im: *mut InputMethod, serial: u32);
+        fn eekboard_context_service_set_hint_purpose(state: *const StateManager, hint: u32, purpose: u32);
+        fn server_context_service_show_keyboard(imservice: *const UIManager);
+        fn server_context_service_hide_keyboard(imservice: *const UIManager);
     }
     
     // The following defined in Rust. TODO: wrap naked pointers to Rust data inside RefCells to prevent multiple writers
     
-    #[no_mangle]
-    pub unsafe extern "C"
-    fn imservice_new(im: *const InputMethod, ui_manager: *const UIManager) -> *mut IMService {
-        Box::<IMService>::into_raw(Box::new(
-            IMService {
-                im: im,
-                ui_manager: ui_manager,
-                pending: IMProtocolState::default(),
-                current: IMProtocolState::default(),
-                preedit_string: String::new(),
-                serial: Wrapping(0u32),
-            }
-        ))
-    }
-    
     // TODO: is unsafe needed here?
     #[no_mangle]
-    pub unsafe extern "C"
+    pub extern "C"
     fn imservice_handle_input_method_activate(imservice: *mut IMService,
         im: *const InputMethod)
     {
         let imservice = check_imservice(imservice, im).unwrap();
-        imservice.preedit_string = String::new();
+        imservice.preedit_string = String::new(); // I don't think this is ever used. Remove it?
         imservice.pending = IMProtocolState {
             active: true,
             ..IMProtocolState::default()
@@ -65,7 +62,7 @@ pub mod c {
     }
     
     #[no_mangle]
-    pub unsafe extern "C"
+    pub extern "C"
     fn imservice_handle_input_method_deactivate(imservice: *mut IMService,
         im: *const InputMethod)
     {
@@ -77,7 +74,7 @@ pub mod c {
     }
     
     #[no_mangle]
-    pub unsafe extern "C"
+    pub extern "C"
     fn imservice_handle_surrounding_text(imservice: *mut IMService,
         im: *const InputMethod,
         text: *const c_char, cursor: u32, _anchor: u32)
@@ -87,13 +84,13 @@ pub mod c {
             surrounding_text: into_cstring(text)
                 .expect("Received invalid string")
                 .expect("Received null string"),
-            surrounding_cursor: cursor,
+            cursor,
             ..imservice.pending.clone()
         };
     }
     
     #[no_mangle]
-    pub unsafe extern "C"
+    pub extern "C"
     fn imservice_handle_content_type(imservice: *mut IMService,
         im: *const InputMethod,
         hint: u32, purpose: u32)
@@ -101,23 +98,27 @@ pub mod c {
         let imservice = check_imservice(imservice, im).unwrap();
         imservice.pending = IMProtocolState {
             content_hint: {
-                ContentHint::from_bits(hint).unwrap_or_else(|| {
-                    eprintln!("Warning: received invalid hint flags");
-                    ContentHint::NONE
-                })
+                ContentHint::from_bits(hint)
+                    .or_print(
+                        logging::Problem::Warning,
+                        "Received invalid hint flags",
+                    )
+                    .unwrap_or(ContentHint::NONE)
             },
             content_purpose: {
-                ContentPurpose::try_from(purpose).unwrap_or_else(|_e| {
-                    eprintln!("Warning: Received invalid purpose value");
-                    ContentPurpose::Normal
-                })
+                ContentPurpose::try_from(purpose)
+                    .or_print(
+                        logging::Problem::Warning,
+                        "Received invalid purpose value",
+                    )
+                    .unwrap_or(ContentPurpose::Normal)
             },
             ..imservice.pending.clone()
         };
     }
     
     #[no_mangle]
-    pub unsafe extern "C"
+    pub extern "C"
     fn imservice_handle_text_change_cause(imservice: *mut IMService,
         im: *const InputMethod,
         cause: u32)
@@ -125,56 +126,64 @@ pub mod c {
         let imservice = check_imservice(imservice, im).unwrap();
         imservice.pending = IMProtocolState {
             text_change_cause: {
-                ChangeCause::try_from(cause).unwrap_or_else(|_e| {
-                    eprintln!("Warning: received invalid cause value");
-                    ChangeCause::InputMethod
-                })
+                ChangeCause::try_from(cause)
+                    .or_print(
+                        logging::Problem::Warning,
+                        "Received invalid cause value",
+                    )
+                    .unwrap_or(ChangeCause::InputMethod)
             },
             ..imservice.pending.clone()
         };
     }
     
     #[no_mangle]
-    pub unsafe extern "C"
-    fn imservice_handle_commit_state(imservice: *mut IMService,
+    pub extern "C"
+    fn imservice_handle_done(imservice: *mut IMService,
         im: *const InputMethod)
     {
         let imservice = check_imservice(imservice, im).unwrap();
         let active_changed = imservice.current.active ^ imservice.pending.active;
-        
-        imservice.serial += Wrapping(1u32);
+
         imservice.current = imservice.pending.clone();
-        imservice.pending = IMProtocolState {
-            active: imservice.current.active,
-            ..IMProtocolState::default()
-        };
+
         if active_changed {
             if imservice.current.active {
-                eekboard_context_service_show_keyboard(imservice.ui_manager);
-                eekboard_context_service_set_hint_purpose(
-                    imservice.ui_manager,
-                    imservice.current.content_hint.bits(),
-                    imservice.current.content_purpose.clone() as u32);
+                if let Some(ui) = imservice.ui_manager {
+                    unsafe { server_context_service_show_keyboard(ui); }
+                }
+                unsafe {
+                    eekboard_context_service_set_hint_purpose(
+                        imservice.state_manager,
+                        imservice.current.content_hint.bits(),
+                        imservice.current.content_purpose.clone() as u32,
+                    );
+                }
             } else {
-                eekboard_context_service_hide_keyboard(imservice.ui_manager);
+                if let Some(ui) = imservice.ui_manager {
+                    unsafe { server_context_service_hide_keyboard(ui); }
+                }
             }
         }
     }
     
+    // TODO: this is really untested
     #[no_mangle]
-    pub unsafe extern "C"
+    pub extern "C"
     fn imservice_handle_unavailable(imservice: *mut IMService,
         im: *mut InputMethod)
     {
         let imservice = check_imservice(imservice, im).unwrap();
-        imservice_destroy_im(im);
+        unsafe { imservice_destroy_im(im); }
 
         // no need to care about proper double-buffering,
         // the keyboard is already decommissioned
         imservice.current.active = false;
 
-        eekboard_context_service_hide_keyboard(imservice.ui_manager);
-    }
+        if let Some(ui) = imservice.ui_manager {
+            unsafe { server_context_service_hide_keyboard(ui); }
+        }
+    }    
 
     // FIXME: destroy and deallocate
     
@@ -246,10 +255,17 @@ pub enum ContentPurpose {
     Terminal = 13,
 }
 
+// Utilities from ::logging need a printable error type
+pub struct UnrecognizedValue;
+
+impl fmt::Display for UnrecognizedValue {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "Unrecognized value")
+    }
+}
+
 impl TryFrom<u32> for ContentPurpose {
-    // There's only one way to fail: number not in protocol,
-    // so no special error type is needed
-    type Error = ();
+    type Error = UnrecognizedValue;
     fn try_from(num: u32) -> Result<Self, Self::Error> {
         use self::ContentPurpose::*;
         match num {
@@ -267,7 +283,7 @@ impl TryFrom<u32> for ContentPurpose {
             11 => Ok(Time),
             12 => Ok(Datetime),
             13 => Ok(Terminal),
-            _ => Err(()),
+            _ => Err(UnrecognizedValue),
         }
     }
 }
@@ -280,14 +296,12 @@ pub enum ChangeCause {
 }
 
 impl TryFrom<u32> for ChangeCause {
-    // There's only one way to fail: number not in protocol,
-    // so no special error type is needed
-    type Error = ();
+    type Error = UnrecognizedValue;
     fn try_from(num: u32) -> Result<Self, Self::Error> {
         match num {
             0 => Ok(ChangeCause::InputMethod),
             1 => Ok(ChangeCause::Other),
-            _ => Err(())
+            _ => Err(UnrecognizedValue)
         }
     }
 }
@@ -296,7 +310,7 @@ impl TryFrom<u32> for ChangeCause {
 #[derive(Clone)]
 struct IMProtocolState {
     surrounding_text: CString,
-    surrounding_cursor: u32,
+    cursor: u32,
     content_purpose: ContentPurpose,
     content_hint: ContentHint,
     text_change_cause: ChangeCause,
@@ -307,7 +321,7 @@ impl Default for IMProtocolState {
     fn default() -> IMProtocolState {
         IMProtocolState {
             surrounding_text: CString::default(),
-            surrounding_cursor: 0, // TODO: mark that there's no cursor
+            cursor: 0, // TODO: mark that there's no cursor
             content_hint: ContentHint::NONE,
             content_purpose: ContentPurpose::Normal,
             text_change_cause: ChangeCause::InputMethod,
@@ -318,12 +332,103 @@ impl Default for IMProtocolState {
 
 pub struct IMService {
     /// Owned reference (still created and destroyed in C)
-    pub im: *const c::InputMethod,
+    pub im: *mut c::InputMethod,
     /// Unowned reference. Be careful, it's shared with C at large
-    ui_manager: *const c::UIManager,
+    state_manager: *const c::StateManager,
+    /// Unowned reference. Be careful, it's shared with C at large
+    pub ui_manager: Option<*const c::UIManager>,
 
     pending: IMProtocolState,
     current: IMProtocolState, // turn current into an idiomatic representation?
-    preedit_string: String,
+    preedit_string: String, // I don't think this is ever used. Remove it?
     serial: Wrapping<u32>,
 }
+
+pub enum SubmitError {
+    /// The input method had not been activated
+    NotActive,
+}
+
+impl IMService {
+    pub fn new(
+        im: *mut c::InputMethod,
+        state_manager: *const c::StateManager,
+    ) -> Box<IMService> {
+        // IMService will be referenced to by C,
+        // so it needs to stay in the same place in memory via Box
+        let imservice = Box::new(IMService {
+            im,
+            ui_manager: None,
+            state_manager,
+            pending: IMProtocolState::default(),
+            current: IMProtocolState::default(),
+            preedit_string: String::new(), // I don't think this is ever used. Remove it?
+            serial: Wrapping(0u32),
+        });
+        unsafe {
+            c::imservice_connect_listeners(
+                im,
+                imservice.as_ref() as *const IMService,
+            );
+        }
+        imservice
+    }
+    
+    pub fn commit_string(&mut self, text: &CString) -> Result<(), SubmitError> {
+        match self.current.active {
+            true => {
+                let cursor_position = self.pending.cursor.try_into().unwrap(); // Converts u32 of cursor to usize
+                self.pending
+                    .surrounding_text
+                    .insert_str(cursor_position, text);
+                self.pending.cursor += text.len() as u32;
+                unsafe {
+                    c::eek_input_method_commit_string(self.im, text.as_ptr())
+                }
+                Ok(())
+            },
+            false => Err(SubmitError::NotActive),
+        }
+    }
+
+    pub fn delete_surrounding_text(
+        &mut self,
+        before: u32, after: u32,
+    ) -> Result<(), SubmitError> {
+        match self.current.active {
+            true => {
+                let cursor_position: usize = self.pending.cursor.try_into().unwrap(); // Converts u32 of cursor to usize
+                self.pending.surrounding_text.replace_range(
+                    cursor_position - (before as usize)..cursor_position + (after as usize),
+                    "",
+                );
+                unsafe {
+                    c::eek_input_method_delete_surrounding_text(
+                        self.im,
+                        before, after,
+                    )
+                }
+                Ok(())
+            },
+            false => Err(SubmitError::NotActive),
+        }
+    }
+
+    pub fn commit(&mut self) -> Result<(), SubmitError> {
+        match self.current.active {
+            true => {
+                unsafe {
+                    c::eek_input_method_commit(self.im, self.serial.0)
+                }
+                self.serial += Wrapping(1u32);
+                imservice_handle_done(self);
+                Ok(())
+            },
+            false => Err(SubmitError::NotActive),
+        }
+    }
+
+    pub fn is_active(&self) -> bool {
+        self.current.active
+    }
+}

src/keyboard.rs

@@ -1,13 +1,16 @@
 /*! State of the emulated keyboard and keys.
  * Regards the keyboard as if it was composed of switches. */
 
+use std::cell::RefCell;
 use std::collections::HashMap;
 use std::fmt;
 use std::io;
+use std::rc::Rc;
 use std::string::FromUtf8Error;
 
 use ::action::Action;
 
+// Traits
 use std::io::Write;
 use std::iter::{ FromIterator, IntoIterator };
 
@@ -17,16 +20,64 @@ pub enum PressType {
     Pressed = 1,
 }
 
+pub type KeyCode = u32;
+
+bitflags!{
+    /// Map to `virtual_keyboard.modifiers` modifiers values
+    /// From https://www.x.org/releases/current/doc/kbproto/xkbproto.html#Keyboard_State
+    pub struct Modifiers: u8 {
+        const SHIFT = 0x1;
+        const LOCK = 0x2;
+        const CONTROL = 0x4;
+        /// Alt
+        const MOD1 = 0x8;
+        const MOD2 = 0x10;
+        const MOD3 = 0x20;
+        /// Meta
+        const MOD4 = 0x40;
+        /// AltGr
+        const MOD5 = 0x80;
+    }
+}
+
+/// When the submitted actions of keys need to be tracked,
+/// they need a stable, comparable ID
+#[derive(Clone, PartialEq)]
+pub struct KeyStateId(*const KeyState);
+
 #[derive(Debug, Clone)]
 pub struct KeyState {
     pub pressed: PressType,
-    pub locked: bool,
-    /// A cache of raw keycodes derived from Action::Sumbit given a keymap
-    pub keycodes: Vec<u32>,
+    /// A cache of raw keycodes derived from Action::Submit given a keymap
+    pub keycodes: Vec<KeyCode>,
     /// Static description of what the key does when pressed or released
     pub action: Action,
 }
 
+impl KeyState {
+    #[must_use]
+    pub fn into_released(self) -> KeyState {
+        KeyState {
+            pressed: PressType::Released,
+            ..self
+        }
+    }
+
+    #[must_use]
+    pub fn into_pressed(self) -> KeyState {
+        KeyState {
+            pressed: PressType::Pressed,
+            ..self
+        }
+    }
+
+    /// KeyStates instances are the unique identifiers of pressed keys,
+    /// and the actions submitted with them.
+    pub fn get_id(keystate: &Rc<RefCell<KeyState>>) -> KeyStateId {
+        KeyStateId(keystate.as_ptr() as *const KeyState)
+    }
+}
+
 /// Sorts an iterator by converting it to a Vector and back
 fn sorted<'a, I: Iterator<Item=&'a str>>(
     iter: I
@@ -40,11 +91,12 @@ fn sorted<'a, I: Iterator<Item=&'a str>>(
 /// HACK: starting from 9, because 8 results in keycode 0,
 /// which the compositor likes to discard
 pub fn generate_keycodes<'a, C: IntoIterator<Item=&'a str>>(
-    key_names: C
+    key_names: C,
 ) -> HashMap<String, u32> {
+    let special_keysyms = ["BackSpace", "Return"].iter().map(|&s| s);
     HashMap::from_iter(
         // sort to remove a source of indeterminism in keycode assignment
-        sorted(key_names.into_iter())
+        sorted(key_names.into_iter().chain(special_keysyms))
             .map(|name| String::from(name))
             .zip(9..)
     )
@@ -71,9 +123,10 @@ impl From<io::Error> for FormattingError {
     }
 }
 
-/// Generates a de-facto single level keymap. TODO: actually drop second level
+/// Generates a de-facto single level keymap.
+/// Key codes must not repeat and should remain between 9 and 255.
 pub fn generate_keymap(
-    keystates: &HashMap::<String, KeyState>
+    symbolmap: HashMap::<String, KeyCode>,
 ) -> Result<String, FormattingError> {
     let mut buf: Vec<u8> = Vec::new();
     writeln!(
@@ -82,63 +135,75 @@ pub fn generate_keymap(
 
     xkb_keycodes \"squeekboard\" {{
         minimum = 8;
-        maximum = 255;"
+        maximum = 999;"
     )?;
     
-    for (name, state) in keystates.iter() {
-        if let Action::Submit { text: _, keys } = &state.action {
-            if let 0 = keys.len() { eprintln!("Key {} has no keysyms", name); };
-            for (named_keysym, keycode) in keys.iter().zip(&state.keycodes) {
-                write!(
-                    buf,
-                    "
-        <{}> = {};",
-                    named_keysym.0,
-                    keycode,
-                )?;
-            }
-        }
+    // Xorg can only consume up to 255 keys, so this may not work in Xwayland.
+    // Two possible solutions:
+    // - use levels to cram multiple characters into one key
+    // - swap layouts on key presses
+    for keycode in symbolmap.values() {
+        write!(
+            buf,
+            "
+        <I{}> = {0};",
+            keycode,
+        )?;
     }
-    
+
     writeln!(
         buf,
         "
+        indicator 1 = \"Caps Lock\"; // Xwayland won't accept without it.
     }};
     
     xkb_symbols \"squeekboard\" {{
-
-        name[Group1] = \"Letters\";
-        name[Group2] = \"Numbers/Symbols\";"
+"
     )?;
     
-    for (name, state) in keystates.iter() {
-        if let Action::Submit { text: _, keys } = &state.action {
-            for keysym in keys.iter() {
-                write!(
-                    buf,
-                    "
-        key <{}> {{ [ {0} ] }};",
-                    keysym.0,
-                )?;
-            }
-        }
+    for (name, keycode) in symbolmap.iter() {
+        write!(
+            buf,
+            "
+key <I{}> {{ [ {} ] }};",
+            keycode,
+            name,
+        )?;
     }
+
     writeln!(
         buf,
         "
     }};
 
     xkb_types \"squeekboard\" {{
+        virtual_modifiers Squeekboard; // No modifiers! Needed for Xorg for some reason.
+    
+        // Those names are needed for Xwayland.
+        type \"ONE_LEVEL\" {{
+            modifiers= none;
+            level_name[Level1]= \"Any\";
+        }};
+        type \"TWO_LEVEL\" {{
+            level_name[Level1]= \"Base\";
+        }};
+        type \"ALPHABETIC\" {{
+            level_name[Level1]= \"Base\";
+        }};
+        type \"KEYPAD\" {{
+            level_name[Level1]= \"Base\";
+        }};
+        type \"SHIFT+ALT\" {{
+            level_name[Level1]= \"Base\";
+        }};
 
-	type \"TWO_LEVEL\" {{
-            modifiers = Shift;
-            map[Shift] = Level2;
-            level_name[Level1] = \"Base\";
-            level_name[Level2] = \"Shift\";
-	}};
     }};
 
     xkb_compatibility \"squeekboard\" {{
+        // Needed for Xwayland again.
+        interpret Any+AnyOf(all) {{
+            action= SetMods(modifiers=modMapMods,clearLocks);
+        }};
     }};
 }};"
     )?;
@@ -153,22 +218,13 @@ mod tests {
     
     use xkbcommon::xkb;
 
-    use ::action::KeySym;
-
     #[test]
     fn test_keymap_multi() {
         let context = xkb::Context::new(xkb::CONTEXT_NO_FLAGS);
 
-        let keymap_str = generate_keymap(&hashmap!{
-            "ac".into() => KeyState {
-                action: Action::Submit {
-                    text: None,
-                    keys: vec!(KeySym("a".into()), KeySym("c".into())),
-                },
-                keycodes: vec!(9, 10),
-                locked: false,
-                pressed: PressType::Released,
-            },
+        let keymap_str = generate_keymap(hashmap!{
+            "a".into() => 9,
+            "c".into() => 10,
         }).unwrap();
 
         let keymap = xkb::Keymap::new_from_string(

src/layout.h

@@ -7,13 +7,23 @@
 #include "eek/eek-gtk-keyboard.h"
 #include "eek/eek-renderer.h"
 #include "eek/eek-types.h"
+#include "src/submission.h"
 #include "virtual-keyboard-unstable-v1-client-protocol.h"
+#include "text-input-unstable-v3-client-protocol.h"
 
 enum squeek_arrangement_kind {
     ARRANGEMENT_KIND_BASE = 0,
     ARRANGEMENT_KIND_WIDE = 1,
 };
 
+struct squeek_layout_state {
+    enum squeek_arrangement_kind arrangement;
+    enum zwp_text_input_v3_content_purpose purpose;
+    enum zwp_text_input_v3_content_hint hint;
+    char *layout_name;
+    char *overlay_name;
+};
+
 struct squeek_layout;
 
 EekBounds squeek_button_get_bounds(const struct squeek_button*);
@@ -33,21 +43,26 @@ const char *squeek_layout_get_keymap(const struct squeek_layout*);
 enum squeek_arrangement_kind squeek_layout_get_kind(const struct squeek_layout *);
 void squeek_layout_free(struct squeek_layout*);
 
-void squeek_layout_release(struct squeek_layout *layout, struct zwp_virtual_keyboard_v1 *virtual_keyboard,
+void squeek_layout_release(struct squeek_layout *layout,
+                           struct submission *submission,
                            struct transformation widget_to_layout,
                            uint32_t timestamp,
                            EekboardContextService *manager,
                            EekGtkKeyboard *ui_keyboard);
-void squeek_layout_release_all_only(struct squeek_layout *layout, struct zwp_virtual_keyboard_v1 *virtual_keyboard, uint32_t timestamp);
-void squeek_layout_depress(struct squeek_layout *layout, struct zwp_virtual_keyboard_v1 *virtual_keyboard,
+void squeek_layout_release_all_only(struct squeek_layout *layout,
+                                    struct submission *submission,
+                                    uint32_t timestamp);
+void squeek_layout_depress(struct squeek_layout *layout,
+                           struct submission *submission,
                            double x_widget, double y_widget,
                            struct transformation widget_to_layout,
                            uint32_t timestamp, EekGtkKeyboard *ui_keyboard);
-void squeek_layout_drag(struct squeek_layout *layout, struct zwp_virtual_keyboard_v1 *virtual_keyboard,
+void squeek_layout_drag(struct squeek_layout *layout,
+                        struct submission *submission,
                         double x_widget, double y_widget,
                         struct transformation widget_to_layout,
                         uint32_t timestamp, EekboardContextService *manager,
                         EekGtkKeyboard *ui_keyboard);
-void squeek_layout_draw_all_changed(struct squeek_layout *layout, EekRenderer* renderer, cairo_t     *cr);
+void squeek_layout_draw_all_changed(struct squeek_layout *layout, EekRenderer* renderer, cairo_t     *cr, struct submission *submission);
 void squeek_draw_layout_base_view(struct squeek_layout *layout, EekRenderer* renderer, cairo_t     *cr);
 #endif

src/lib.rs

@@ -15,6 +15,9 @@ extern crate regex;
 extern crate serde;
 extern crate xkbcommon;
 
+#[macro_use]
+mod logging;
+
 mod action;
 pub mod data;
 mod drawing;
@@ -24,13 +27,14 @@ mod keyboard;
 mod layout;
 mod locale;
 mod locale_config;
-mod logging;
 mod manager;
 mod outputs;
 mod popover;
 mod resources;
-mod submission;
 mod style;
+mod submission;
 pub mod tests;
 pub mod util;
+mod ui_manager;
+mod vkeyboard;
 mod xdg;

src/locale.rs

@@ -8,6 +8,7 @@
 
 use std::cmp;
 use std::ffi::{ CStr, CString };
+use std::fmt;
 use std::os::raw::c_char;
 use std::ptr;
 use std::str::Utf8Error;
@@ -47,6 +48,12 @@ pub enum Error {
     NoInfo,
 }
 
+impl fmt::Display for Error {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        fmt::Debug::fmt(&self, f)
+    }
+}
+
 pub struct XkbInfo(c::GnomeXkbInfo);
 
 impl XkbInfo {

src/locale_config.rs

@@ -31,22 +31,16 @@ pub enum Error {
 
 impl ::std::fmt::Display for Error {
     fn fmt(&self, out: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
-        use ::std::error::Error;
-        out.write_str(self.description())
-    }
-}
-
-impl ::std::error::Error for Error {
-    fn description(&self) -> &str {
-        match self {
+        out.write_str(match self {
             &Error::NotWellFormed => "Language tag is not well-formed.",
             // this is exception: here we do want exhaustive match so we don't publish version with
             // missing descriptions by mistake.
             &Error::__NonExhaustive => panic!("Placeholder error must not be instantiated!"),
-        }
+        })
     }
 }
 
+
 /// Convenience Result alias.
 type Result<T> = ::std::result::Result<T, Error>;
 

src/logging.rs

@@ -26,13 +26,15 @@
  * 4. logging to an immutable destination type
  * 
  *   Same as above, except it can be parallelized.
+ *   Logs being outputs, they get returned
+ *   instead of being misleadingly passed back through arguments.
  *   It seems more difficult to pass the logger around,
  *   but this may be a solved problem from the area of functional programming.
  * 
  * This library generally aims at the approach in 3.
  * */
 
-use std::error::Error;
+use std::fmt::Display;
 
 /// Levels are not in order.
 pub enum Level {
@@ -66,18 +68,84 @@ pub enum Level {
     Debug,
 }
 
-/// Sugar for logging errors in results.
-/// Approach 2.
-pub trait Warn {
-    type Value;
-    fn or_warn(self, msg: &str) -> Option<Self::Value>;
+impl Level {
+    fn as_str(&self) -> &'static str {
+        match self {
+            Level::Panic => "Panic",
+            Level::Bug => "Bug",
+            Level::Error => "Error",
+            Level::Warning => "Warning",
+            Level::Surprise => "Surprise",
+            Level::Info => "Info",
+            Level::Debug => "Debug",
+        }
+    }
 }
 
-impl<T, E: Error> Warn for Result<T, E> {
+impl From<Problem> for Level {
+    fn from(problem: Problem) -> Level {
+        use self::Level::*;
+        match problem {
+            Problem::Panic => Panic,
+            Problem::Bug => Bug,
+            Problem::Error => Error,
+            Problem::Warning => Warning,
+            Problem::Surprise => Surprise,
+        }
+    }
+}
+
+/// Only levels which indicate problems
+/// To use with `Result::Err` handlers,
+/// which are needed only when something went off the optimal path.
+/// A separate type ensures that `Err`
+/// can't end up misclassified as a benign event like `Info`.
+pub enum Problem {
+    Panic,
+    Bug,
+    Error,
+    Warning,
+    Surprise,
+}
+
+/// Sugar for approach 2
+// TODO: avoid, deprecate.
+// Handler instances should be long lived, not one per call.
+macro_rules! log_print {
+    ($level:expr, $($arg:tt)*) => (::logging::print($level, &format!($($arg)*)))
+}
+
+/// Approach 2
+pub fn print(level: Level, message: &str) {
+    Print{}.handle(level, message)
+}
+
+/// Sugar for logging errors in results.
+pub trait Warn where Self: Sized {
+    type Value;
+    /// Approach 2.
+    fn or_print(self, level: Problem, message: &str) -> Option<Self::Value> {
+        self.or_warn(&mut Print {}, level.into(), message)
+    }
+    /// Approach 3.
+    fn or_warn<H: Handler>(
+        self,
+        handler: &mut H,
+        level: Problem,
+        message: &str,
+    ) -> Option<Self::Value>;
+}
+
+impl<T, E: Display> Warn for Result<T, E> {
     type Value = T;
-    fn or_warn(self, msg: &str) -> Option<T> {
+    fn or_warn<H: Handler>(
+        self,
+        handler: &mut H,
+        level: Problem,
+        message: &str,
+    ) -> Option<T> {
         self.map_err(|e| {
-            eprintln!("{}: {}", msg, e);
+            handler.handle(level.into(), &format!("{}: {}", message, e));
             e
         }).ok()
     }
@@ -85,9 +153,14 @@ impl<T, E: Error> Warn for Result<T, E> {
 
 impl<T> Warn for Option<T> {
     type Value = T;
-    fn or_warn(self, msg: &str) -> Option<T> {
+    fn or_warn<H: Handler>(
+        self,
+        handler: &mut H,
+        level: Problem,
+        message: &str,
+    ) -> Option<T> {
         self.or_else(|| {
-            eprintln!("{}", msg);
+            handler.handle(level.into(), message);
             None
         })
     }
@@ -95,26 +168,34 @@ impl<T> Warn for Option<T> {
 
 /// A mutable handler for text warnings.
 /// Approach 3.
-pub trait WarningHandler {
-    /// Handle a warning
-    fn handle(&mut self, warning: &str);
+pub trait Handler {
+    /// Handle a log message
+    fn handle(&mut self, level: Level, message: &str);
 }
 
-/// Prints warnings to stderr
-pub struct PrintWarnings;
+/// Prints info to stdout, everything else to stderr
+pub struct Print;
 
-impl WarningHandler for PrintWarnings {
-    fn handle(&mut self, warning: &str) {
-        eprintln!("{}", warning);
+impl Handler for Print {
+    fn handle(&mut self, level: Level, message: &str) {
+        match level {
+            Level::Info => println!("Info: {}", message),
+            l => eprintln!("{}: {}", l.as_str(), message),
+        }
     }
 }
 
-/// Warning handler that will panic at any warning.
+/// Warning handler that will panic
+/// at any warning, error, surprise, bug, or panic.
 /// Don't use except in tests
-pub struct PanicWarn;
+pub struct ProblemPanic;
 
-impl WarningHandler for PanicWarn {
-    fn handle(&mut self, warning: &str) {
-        panic!("{}", warning);
+impl Handler for ProblemPanic {
+    fn handle(&mut self, level: Level, message: &str) {
+        use self::Level::*;
+        match level {
+            Panic | Bug | Error | Warning | Surprise => panic!("{}", message),
+            l => Print{}.handle(l, message),
+        }
     }
 }

src/meson.build

@@ -12,7 +12,9 @@ config_h = configure_file(
 
 sources = [
   config_h,
+  'dbus.c',
   'imservice.c',
+  'popover.c',
   'server-context-service.c',
   'wayland.c',
   '../eek/eek.c',
@@ -21,12 +23,9 @@ sources = [
   '../eek/eek-keyboard.c',
   '../eek/eek-renderer.c',
   '../eek/eek-types.c',
-  '../eek/eek-xml-layout.c',
   '../eek/layersurface.c',
   dbus_src,
-  '../eekboard/key-emitter.c',
   '../eekboard/eekboard-context-service.c',
-  '../eekboard/eekboard-service.c',
   #  '../eekboard/eekboard-xklutil.c',
   squeekboard_resources,
   wl_proto_sources,
@@ -38,9 +37,10 @@ cc = meson.get_compiler('c')
 deps = [
 #  dependency('glib-2.0', version: '>=2.26.0'),
   dependency('gio-2.0', version: '>=2.26.0'),
+  dependency('gio-unix-2.0'),
   dependency('gnome-desktop-3.0', version: '>=3.0'),
   dependency('gtk+-3.0', version: '>=3.0'),
-  dependency('libcroco-0.6'),
+  dependency('libfeedback-0.0'),
   dependency('wayland-client', version: '>=1.14'),
   dependency('xkbcommon'),
   cc.find_library('m'),
@@ -57,7 +57,8 @@ rslibs = custom_target(
     output: ['librs.a'],
     install: false,
     console: true,
-    command: [cargo_build] + cargo_build_flags + ['@OUTPUT@', '--lib']
+    command: [cargo_build] + ['@OUTPUT@', '--lib'] + cargo_build_flags,
+    depends: cargo_toml,
 )
 
 build_rstests = custom_target(
@@ -71,17 +72,17 @@ build_rstests = custom_target(
     output: ['src'],
     install: false,
     console: true,
-    command: [cargo_script, 'test', '--no-run'],
-    depends: rslibs, # no point building tests if the code itself fails
+    command: [cargo_script, 'test', '--no-run'] + cargo_build_flags,
+    depends: [rslibs, cargo_toml], # no point building tests if the code itself fails
 )
 
 test(
     'rstest',
     cargo_script,
-    args: ['test'],
+    args: ['test'] + cargo_build_flags,
     # this is a whole Carg-based test suite, let it run for a while
     timeout: 900,
-    depends: build_rstests,
+    depends: [build_rstests, cargo_toml],
 )
 
 libsqueekboard = static_library('libsqueekboard',

src/outputs.h

@@ -4,10 +4,14 @@
 #include "wayland-client-protocol.h"
 
 struct squeek_outputs;
+struct squeek_output_handle {
+    struct wl_output *output;
+    struct squeek_outputs *outputs;
+};
 
-struct squeek_outputs *squeek_outputs_new();
+struct squeek_outputs *squeek_outputs_new(void);
 void squeek_outputs_free(struct squeek_outputs*);
 void squeek_outputs_register(struct squeek_outputs*, struct wl_output *output);
-struct wl_output *squeek_outputs_get_current(struct squeek_outputs*);
+struct squeek_output_handle squeek_outputs_get_current(struct squeek_outputs*);
 int32_t squeek_outputs_get_perceptual_width(struct squeek_outputs*, struct wl_output *output);
 #endif

src/outputs.rs

@@ -1,7 +1,10 @@
 /*! Managing Wayland outputs */
 
 use std::vec::Vec;
+use ::logging;
 
+// traits
+use ::logging::Warn;
 
 /// Gathers stuff defined in C or called by C
 pub mod c {
@@ -14,7 +17,7 @@ pub mod c {
     // Defined in C
 
     #[repr(transparent)]
-    #[derive(Clone, PartialEq)]
+    #[derive(Clone, PartialEq, Copy)]
     pub struct WlOutput(*const c_void);
 
     #[repr(C)]
@@ -102,6 +105,24 @@ pub mod c {
 
     type COutputs = ::util::c::Wrapped<Outputs>;
 
+    /// A stable reference to an output.
+    #[derive(Clone)]
+    #[repr(C)]
+    pub struct OutputHandle {
+        wl_output: WlOutput,
+        outputs: COutputs,
+    }
+
+    impl OutputHandle {
+        // Cannot return an Output reference
+        // because COutputs is too deeply wrapped
+        pub fn get_state(&self) -> Option<OutputState> {
+            let outputs = self.outputs.clone_ref();
+            let outputs = outputs.borrow();
+            find_output(&outputs, self.wl_output.clone()).map(|o| o.current.clone())
+        }
+    }
+
     // Defined in Rust
 
     extern fn outputs_handle_geometry(
@@ -113,14 +134,11 @@ pub mod c {
         _make: *const c_char, _model: *const c_char,
         transform: i32,
     ) {
-        let transform = Transform::from_u32(transform as u32).unwrap_or_else(
-            || {
-                eprintln!(
-                    "Warning: received invalid wl_output.transform value"
-                );
-                Transform::Normal
-            }
-        );
+        let transform = Transform::from_u32(transform as u32)
+            .or_print(
+                logging::Problem::Warning,
+                "Received invalid wl_output.transform value",
+            ).unwrap_or(Transform::Normal);
 
         let outputs = outputs.clone_ref();
         let mut collection = outputs.borrow_mut();
@@ -129,7 +147,10 @@ pub mod c {
                 .map(|o| &mut o.pending);
         match output_state {
             Some(state) => { state.transform = Some(transform) },
-            None => eprintln!("Wayland error: Got mode on unknown output"),
+            None => log_print!(
+                logging::Level::Warning,
+                "Got geometry on unknown output",
+            ),
         };
     }
 
@@ -141,10 +162,12 @@ pub mod c {
         height: i32,
         _refresh: i32,
     ) {
-        let flags = Mode::from_bits(flags).unwrap_or_else(|| {
-            eprintln!("Warning: received invalid wl_output.mode flags");
-            Mode::NONE
-        });
+        let flags = Mode::from_bits(flags)
+            .or_print(
+                logging::Problem::Warning,
+                "Received invalid wl_output.mode flags",
+            ).unwrap_or(Mode::NONE);
+
         let outputs = outputs.clone_ref();
         let mut collection = outputs.borrow_mut();
         let output_state: Option<&mut OutputState>
@@ -156,7 +179,10 @@ pub mod c {
                     state.current_mode = Some(super::Mode { width, height});
                 }
             },
-            None => eprintln!("Wayland error: Got mode on unknown output"),
+            None => log_print!(
+                logging::Level::Warning,
+                "Got mode on unknown output",
+            ),
         };
     }
 
@@ -169,7 +195,10 @@ pub mod c {
         let output = find_output_mut(&mut collection, wl_output);
         match output {
             Some(output) => { output.current = output.pending.clone(); }
-            None => eprintln!("Wayland error: Got done on unknown output"),
+            None => log_print!(
+                logging::Level::Warning,
+                "Got done on unknown output",
+            ),
         };
     }
 
@@ -185,7 +214,10 @@ pub mod c {
                 .map(|o| &mut o.pending);
         match output_state {
             Some(state) => { state.scale = factor; }
-            None => eprintln!("Wayland error: Got done on unknown output"),
+            None => log_print!(
+                logging::Level::Warning,
+                "Got scale on unknown output",
+            ),
         };
     }
 
@@ -226,43 +258,15 @@ pub mod c {
     
     #[no_mangle]
     pub extern "C"
-    fn squeek_outputs_get_current(raw_collection: COutputs) -> WlOutput {
+    fn squeek_outputs_get_current(raw_collection: COutputs) -> OutputHandle {
         let collection = raw_collection.clone_ref();
         let collection = collection.borrow();
-        collection.outputs[0].output.clone()
-    }
-
-    #[no_mangle]
-    pub extern "C"
-    fn squeek_outputs_get_perceptual_width(
-        raw_collection: COutputs,
-        wl_output: WlOutput,
-    ) -> i32 {
-        let collection = raw_collection.clone_ref();
-        let collection = collection.borrow();
-
-        let output_state = find_output(&collection, wl_output)
-            .map(|o| &o.current);
-        match output_state {
-            Some(OutputState {
-                current_mode: Some(super::Mode { width, height } ),
-                transform: Some(transform),
-                scale,
-            }) => {
-                match transform {
-                    Transform::Normal
-                    | Transform::Rotated180
-                    | Transform::Flipped
-                    | Transform::FlippedRotated180 => width / scale,
-                    _ => height / scale,
-                }
-            },
-            _ => {
-                eprintln!("Not enough info registered on output");
-                0
-            },
+        OutputHandle {
+            wl_output: collection.outputs[0].output.clone(),
+            outputs: raw_collection.clone(),
         }
     }
+
     // TODO: handle unregistration
     
     fn find_output(
@@ -288,6 +292,14 @@ pub mod c {
     }
 }
 
+/// Generic size
+#[derive(Clone)]
+pub struct Size {
+    pub width: u32,
+    pub height: u32,
+}
+
+/// wl_output mode
 #[derive(Clone)]
 struct Mode {
     width: i32,
@@ -298,10 +310,16 @@ struct Mode {
 pub struct OutputState {
     current_mode: Option<Mode>,
     transform: Option<c::Transform>,
-    scale: i32,
+    pub scale: i32,
 }
 
 impl OutputState {
+    // More properly, this would have been a builder kind of struct,
+    // with wl_output gradually adding properties to it
+    // before it reached a fully initialized state,
+    // when it would transform into a struct without all (some?) of the Options.
+    // However, it's not clear which state is fully initialized,
+    // and whether it would make things easier at all anyway.
     fn uninitialized() -> OutputState {
         OutputState {
             current_mode: None,
@@ -309,6 +327,32 @@ impl OutputState {
             scale: 1,
         }
     }
+
+    pub fn get_pixel_size(&self) -> Option<Size> {
+        use self::c::Transform;
+        match self {
+            OutputState {
+                current_mode: Some(Mode { width, height } ),
+                transform: Some(transform),
+                scale: _,
+            } => Some(
+                match transform {
+                    Transform::Normal
+                    | Transform::Rotated180
+                    | Transform::Flipped
+                    | Transform::FlippedRotated180 => Size {
+                        width: *width as u32,
+                        height: *height as u32,
+                    },
+                    _ => Size {
+                        width: *height as u32,
+                        height: *width as u32,
+                    },
+                }
+            ),
+            _ => None,
+        }
+    }
 }
 
 pub struct Output {

src/popover.c

@@ -0,0 +1,69 @@
+#include <gio/gio.h>
+
+static void
+call_dbus_cb (GDBusProxy *proxy,
+              GAsyncResult *res,
+              gpointer user_data)
+{
+  g_autoptr (GError) err = NULL;
+  g_autoptr (GVariant) output = NULL;
+
+  output = g_dbus_proxy_call_finish (proxy, res, &err);
+  if (err) {
+    g_warning ("Can't open panel %s", err->message);
+  }
+  g_object_unref (proxy);
+}
+
+static void
+create_dbus_proxy_cb (GObject *source_object, GAsyncResult *res, char *panel)
+{
+  GDBusProxy *proxy;
+  g_autoptr (GError) err = NULL;
+  GVariantBuilder builder;
+  GVariant *params[3];
+  GVariant *array[1];
+
+  proxy = g_dbus_proxy_new_for_bus_finish (res, &err);
+
+  if (err != NULL) {
+    g_warning ("Can't open panel %s: %s", panel, err->message);
+    g_free (panel);
+    return;
+  }
+
+  g_variant_builder_init (&builder, G_VARIANT_TYPE ("av"));
+  g_variant_builder_add (&builder, "v", g_variant_new_string (""));
+
+  array[0] = g_variant_new ("v", g_variant_new ("(sav)", panel, &builder));
+
+  params[0] = g_variant_new_string ("launch-panel");
+  params[1] = g_variant_new_array (G_VARIANT_TYPE ("v"), array, 1);
+  params[2] = g_variant_new_array (G_VARIANT_TYPE ("{sv}"), NULL, 0);
+
+  g_dbus_proxy_call (proxy,
+             "Activate",
+             g_variant_new_tuple (params, 3),
+             G_DBUS_CALL_FLAGS_NONE,
+             -1,
+             NULL,
+             (GAsyncReadyCallback) call_dbus_cb,
+             NULL);
+
+  g_free (panel);
+}
+
+void
+popover_open_settings_panel (char *panel)
+{
+  g_dbus_proxy_new_for_bus (G_BUS_TYPE_SESSION,
+                G_DBUS_PROXY_FLAGS_NONE,
+                NULL,
+                "org.gnome.ControlCenter",
+                "/org/gnome/ControlCenter",
+                "org.gtk.Actions",
+                NULL,
+                (GAsyncReadyCallback) create_dbus_proxy_cb,
+                g_strdup (panel));
+
+}

src/popover.rs

@@ -3,23 +3,38 @@
 use gio;
 use gtk;
 use std::ffi::CString;
+use std::cmp::Ordering;
 use ::layout::c::{ Bounds, EekGtkKeyboard };
 use ::locale;
 use ::locale::{ OwnedTranslation, Translation, compare_current_locale };
 use ::locale_config::system_locale;
+use ::logging;
 use ::manager;
 use ::resources;
 
+// Traits
 use gio::ActionMapExt;
 use gio::SettingsExt;
+#[cfg(feature = "gio_v0_5")]
 use gio::SimpleActionExt;
 use glib::translate::FromGlibPtrNone;
 use glib::variant::ToVariant;
+#[cfg(not(feature = "gtk_v0_5"))]
+use gtk::BuilderExtManual;
 use gtk::PopoverExt;
 use gtk::WidgetExt;
 use std::io::Write;
 use ::logging::Warn;
 
+mod c {
+    use std::os::raw::c_char;
+
+    #[no_mangle]
+    extern "C" {
+        pub fn popover_open_settings_panel(panel: *const c_char);
+    }
+}
+
 mod variants {
     use glib;
     use glib::Variant;
@@ -28,6 +43,7 @@ mod variants {
 
     use glib::ToVariant;
     use glib::translate::FromGlibPtrFull;
+    use glib::translate::FromGlibPtrNone;
     use glib::translate::ToGlibPtr;
 
     /// Unpacks tuple & array variants
@@ -90,7 +106,7 @@ mod variants {
             unsafe {
                 let ret = glib_sys::g_variant_builder_end(builder);
                 glib_sys::g_variant_builder_unref(builder);
-                glib::Variant::from_glib_full(ret)
+                glib::Variant::from_glib_none(ret)
             }
         }
     }
@@ -122,6 +138,12 @@ fn make_menu_builder(inputs: Vec<(&str, OwnedTranslation)>) -> gtk::Builder {
         xml,
         "
     </section>
+    <section>
+        <item>
+            <attribute name=\"label\" translatable=\"yes\">Keyboard Settings</attribute>
+            <attribute name=\"action\">settings</attribute>
+        </item>
+    </section>
   </menu>
 </interface>"
     ).unwrap();
@@ -130,19 +152,40 @@ fn make_menu_builder(inputs: Vec<(&str, OwnedTranslation)>) -> gtk::Builder {
     )
 }
 
+fn get_settings(schema_name: &str) -> Option<gio::Settings> {
+    let mut error_handler = logging::Print{};
+    gio::SettingsSchemaSource::get_default()
+        .or_warn(
+            &mut error_handler,
+            logging::Problem::Surprise,
+            "No gsettings schemas installed.",
+        )
+        .and_then(|sss| 
+            sss.lookup(schema_name, true)
+                .or_warn(
+                    &mut error_handler,
+                    logging::Problem::Surprise,
+                    &format!("Gsettings schema {} not installed", schema_name),
+                )
+        )
+        .map(|_sschema| gio::Settings::new(schema_name))
+}
+
 fn set_layout(kind: String, name: String) {
-    let settings = gio::Settings::new("org.gnome.desktop.input-sources");
-    let inputs = settings.get_value("sources").unwrap();
-    let current = (kind.clone(), name.clone());
-    let inputs = variants::get_tuples(inputs).into_iter()
-        .filter(|t| t != &current);
-    let inputs = vec![(kind, name)].into_iter()
-        .chain(inputs).collect();
-    settings.set_value(
-        "sources",
-        &variants::ArrayPairString(inputs).to_variant()
-    );
-    settings.apply();
+    let settings = get_settings("org.gnome.desktop.input-sources");
+    if let Some(settings) = settings {
+        let inputs = settings.get_value("sources").unwrap();
+        let current = (kind.clone(), name.clone());
+        let inputs = variants::get_tuples(inputs).into_iter()
+            .filter(|t| t != &current);
+        let inputs = vec![(kind, name)].into_iter()
+            .chain(inputs).collect();
+        settings.set_value(
+            "sources",
+            &variants::ArrayPairString(inputs).to_variant(),
+        );
+        settings.apply();
+    }
 }
 
 /// A reference to what the user wants to see
@@ -221,14 +264,10 @@ fn translate_layout_names(layouts: &Vec<LayoutId>) -> Vec<OwnedTranslation> {
             LayoutId::System { name, kind: _ } => {
                 xkb_translator.get_display_name(name)
                     .map(|s| Status::Translated(OwnedTranslation(s)))
-                    .unwrap_or_else(|e| {
-                        eprintln!(
-                            "No display name for xkb layout {}: {:?}",
-                            name,
-                            e,
-                        );
-                        Status::Remaining(name.clone())
-                    })
+                    .or_print(
+                        logging::Problem::Surprise,
+                        &format!("No display name for xkb layout {}", name),
+                    ).unwrap_or_else(|| Status::Remaining(name.clone()))
             },
             LayoutId::Local(name) => Status::Remaining(name.clone()),
         });
@@ -242,10 +281,13 @@ fn translate_layout_names(layouts: &Vec<LayoutId>) -> Vec<OwnedTranslation> {
                 .as_ref()
                 .to_owned()
         )
-        .or_warn("No locale detected")
+        .or_print(logging::Problem::Surprise, "No locale detected")
         .and_then(|lang| {
             resources::get_layout_names(lang.as_str())
-                .or_warn(&format!("No translations for locale {}", lang))
+                .or_print(
+                    logging::Problem::Surprise,
+                    &format!("No translations for locale {}", lang),
+                )
         });
 
     match builtin_translations {
@@ -283,9 +325,13 @@ pub fn show(
     let overlay_layouts = resources::get_overlays().into_iter()
         .map(|name| LayoutId::Local(name.to_string()));
 
-    let settings = gio::Settings::new("org.gnome.desktop.input-sources");
-    let inputs = settings.get_value("sources").unwrap();
-    let inputs = variants::get_tuples(inputs);
+    let settings = get_settings("org.gnome.desktop.input-sources");
+    let inputs = settings
+        .map(|settings| {
+            let inputs = settings.get_value("sources").unwrap();
+            variants::get_tuples(inputs)
+        })
+        .unwrap_or_else(|| Vec::new());
     
     let system_layouts: Vec<LayoutId> = inputs.into_iter()
         .map(|(kind, name)| LayoutId::System { kind, name })
@@ -304,8 +350,13 @@ pub fn show(
         .zip(all_layouts.clone().into_iter())
         .collect();
 
-    human_names.sort_unstable_by(|(tr_a, _), (tr_b, _)| {
-        compare_current_locale(&tr_a.0, &tr_b.0)
+    human_names.sort_unstable_by(|(tr_a, layout_a), (tr_b, layout_b)| {
+        // Sort first by layout then name
+        match (layout_a, layout_b) {
+            (LayoutId::Local(_), LayoutId::System { .. }) => Ordering::Greater,
+            (LayoutId::System { .. }, LayoutId::Local(_)) => Ordering::Less,
+            _ => compare_current_locale(&tr_a.0, &tr_b.0)
+        }
     });
 
     // GVariant doesn't natively support `enum`s,
@@ -361,10 +412,10 @@ pub fn show(
             match state {
                 Some(v) => {
                     v.get::<String>()
-                        .or_else(|| {
-                            eprintln!("Variant is not string: {:?}", v);
-                            None
-                        })
+                        .or_print(
+                            logging::Problem::Bug,
+                            &format!("Variant is not string: {:?}", v)
+                        )
                         .map(|state| {
                             let (_id, layout) = choices.iter()
                                 .find(
@@ -376,13 +427,22 @@ pub fn show(
                             )
                         });
                 },
-                None => eprintln!("No variant selected"),
+                None => log_print!(
+                    logging::Level::Debug,
+                    "No variant selected",
+                ),
             };
             menu_inner.popdown();
         });
 
+        let settings_action = gio::SimpleAction::new("settings", None);
+        settings_action.connect_activate(move |_, _| {
+            unsafe { c::popover_open_settings_panel(CString::new("region").unwrap().as_ptr()) };
+        });
+
         let action_group = gio::SimpleActionGroup::new();
         action_group.add_action(&layout_action);
+        action_group.add_action(&settings_action);
 
         menu.insert_action_group("popup", Some(&action_group));
     };

src/resources.rs

@@ -11,22 +11,34 @@ use std::iter::FromIterator;
 // and what a convenience layout. "_wide" is not a layout,
 // neither is "number"
 const KEYBOARDS: &[(*const str, *const str)] = &[
-    // layouts
+    // layouts: us must be left as first, as it is the,
+    // fallback layout. The others should be alphabetical.
     ("us", include_str!("../data/keyboards/us.yaml")),
     ("us_wide", include_str!("../data/keyboards/us_wide.yaml")),
+    ("br", include_str!("../data/keyboards/br.yaml")),
     ("de", include_str!("../data/keyboards/de.yaml")),
+    ("be", include_str!("../data/keyboards/be.yaml")),
+    ("be_wide", include_str!("../data/keyboards/be_wide.yaml")),
     ("de_wide", include_str!("../data/keyboards/de_wide.yaml")),
-    ("el", include_str!("../data/keyboards/el.yaml")),
+    ("dk", include_str!("../data/keyboards/dk.yaml")),
     ("es", include_str!("../data/keyboards/es.yaml")),
     ("fi", include_str!("../data/keyboards/fi.yaml")),
+    ("fr", include_str!("../data/keyboards/fr.yaml")),
+    ("fr_wide", include_str!("../data/keyboards/fr_wide.yaml")),
+    ("gr", include_str!("../data/keyboards/gr.yaml")),
     ("it", include_str!("../data/keyboards/it.yaml")),
     ("jp+kana", include_str!("../data/keyboards/jp+kana.yaml")),
     ("jp+kana_wide", include_str!("../data/keyboards/jp+kana_wide.yaml")),
     ("no", include_str!("../data/keyboards/no.yaml")),
     ("number", include_str!("../data/keyboards/number.yaml")),
+    ("pl", include_str!("../data/keyboards/pl.yaml")),
+    ("pl_wide", include_str!("../data/keyboards/pl_wide.yaml")),
+    ("ru", include_str!("../data/keyboards/ru.yaml")),
     ("se", include_str!("../data/keyboards/se.yaml")),
+    ("ua", include_str!("../data/keyboards/ua.yaml")),
     // layout+overlay
     ("terminal", include_str!("../data/keyboards/terminal.yaml")),
+    ("terminal_wide", include_str!("../data/keyboards/terminal_wide.yaml")),
     // Overlays
     ("emoji", include_str!("../data/keyboards/emoji.yaml")),
 ];
@@ -65,6 +77,7 @@ const LAYOUT_NAMES: &[(*const str, *const str)] = &[
     ("es-ES", include_str!("../data/langs/es-ES.txt")),
     ("ja-JP", include_str!("../data/langs/ja-JP.txt")),
     ("pl-PL", include_str!("../data/langs/pl-PL.txt")),
+    ("ru-RU", include_str!("../data/langs/ru-RU.txt")),
 ];
 
 pub fn get_layout_names(lang: &str)

src/server-context-service.c

@@ -23,136 +23,123 @@
 #include "eek/eek.h"
 #include "eek/eek-gtk-keyboard.h"
 #include "eek/layersurface.h"
+#include "eekboard/eekboard-context-service.h"
+#include "submission.h"
 #include "wayland.h"
-
 #include "server-context-service.h"
 
 enum {
     PROP_0,
-    PROP_SIZE_CONSTRAINT_LANDSCAPE,
-    PROP_SIZE_CONSTRAINT_PORTRAIT,
+    PROP_VISIBLE,
+    PROP_ENABLED,
     PROP_LAST
 };
 
-typedef struct _ServerContextServiceClass ServerContextServiceClass;
-
 struct _ServerContextService {
-    EekboardContextService parent;
+    GObject parent;
 
-    PhoshLayerSurface *window;
-    GtkWidget *widget;
-    guint hiding;
-    guint last_requested_height;
-    enum squeek_arrangement_kind last_type;
-
-    gdouble size_constraint_landscape[2];
-    gdouble size_constraint_portrait[2];
-};
-
-struct _ServerContextServiceClass {
-    EekboardContextServiceClass parent_class;
-};
-
-G_DEFINE_TYPE (ServerContextService, server_context_service, EEKBOARD_TYPE_CONTEXT_SERVICE);
-
-static void
-on_destroy (GtkWidget *widget, gpointer user_data)
-{
-    ServerContextService *context = user_data;
-
-    g_assert (widget == GTK_WIDGET(context->window));
-
-    context->window = NULL;
-    context->widget = NULL;
-
-    eekboard_context_service_destroy (EEKBOARD_CONTEXT_SERVICE (context));
-}
-
-static void
-make_widget (ServerContextService *context);
-
-static void
-on_notify_keyboard (GObject              *object,
-                    GParamSpec           *spec,
-                    ServerContextService *context)
-{
-    const LevelKeyboard *keyboard = eekboard_context_service_get_keyboard (EEKBOARD_CONTEXT_SERVICE(context));
-
-    if (!keyboard)
-        g_error("Programmer error: keyboard layout was unset!");
-
-    // The keymap will get set even if the window is hidden.
-    // It's not perfect,
-    // but simpler than adding a check in the window showing procedure
-    eekboard_context_service_set_keymap(EEKBOARD_CONTEXT_SERVICE(context),
-                                        keyboard);
-
-    /* Recreate the keyboard widget to keep in sync with the keymap. */
-    if (context->window)
-        make_widget(context);
+    EekboardContextService *state; // unowned
+    /// Needed for instantiating the widget
+    struct submission *submission; // unowned
+    struct squeek_layout_state *layout;
+    struct ui_manager *manager; // unowned
 
     gboolean visible;
-    g_object_get (context, "visible", &visible, NULL);
+    gboolean enabled;
+    PhoshLayerSurface *window;
+    GtkWidget *widget; // nullable
+    guint hiding;
+    guint last_requested_height;
+};
 
-    if (visible) {
-        eekboard_context_service_hide_keyboard(EEKBOARD_CONTEXT_SERVICE(context));
-        eekboard_context_service_show_keyboard(EEKBOARD_CONTEXT_SERVICE(context));
-    }
+G_DEFINE_TYPE(ServerContextService, server_context_service, G_TYPE_OBJECT);
+
+static void
+on_destroy (ServerContextService *self, GtkWidget *widget)
+{
+    g_return_if_fail (SERVER_IS_CONTEXT_SERVICE (self));
+
+    g_assert (widget == GTK_WIDGET(self->window));
+
+    self->window = NULL;
+    self->widget = NULL;
+
+    //eekboard_context_service_destroy (EEKBOARD_CONTEXT_SERVICE (context));
 }
 
 static void
-on_notify_map (GObject    *object,
-               ServerContextService *context)
+on_notify_map (ServerContextService *self, GtkWidget *widget)
 {
-    g_object_set (context, "visible", TRUE, NULL);
+    g_return_if_fail (SERVER_IS_CONTEXT_SERVICE (self));
+
+    g_object_set (self, "visible", TRUE, NULL);
 }
 
 
 static void
-on_notify_unmap (GObject    *object,
-                 ServerContextService *context)
+on_notify_unmap (ServerContextService *self, GtkWidget *widget)
 {
-    (void)object;
-    g_object_set (context, "visible", FALSE, NULL);
+    g_return_if_fail (SERVER_IS_CONTEXT_SERVICE (self));
+
+    g_object_set (self, "visible", FALSE, NULL);
 }
 
 static uint32_t
-calculate_height(int32_t width)
+calculate_height(int32_t width, GdkRectangle *geometry)
 {
-    uint32_t height = 180;
-    if (width < 360 && width > 0) {
-        height = ((unsigned)width * 7 / 12); // to match 360×210
-    } else if (width < 540) {
-        height = 180 + (540 - (unsigned)width) * 30 / 180; // smooth transition
+    uint32_t height;
+    if (geometry->width > geometry->height) {
+        // 1:5 ratio works fine on lanscape mode, and makes sure there's
+        // room left for the app window
+        height = width / 5;
+    } else {
+        if (width < 540 && width > 0) {
+            height = ((unsigned)width * 7 / 12); // to match 360×210
+        } else {
+            // Here we switch to wide layout, less height needed
+            height = ((unsigned)width * 7 / 22);
+        }
     }
     return height;
 }
 
-enum squeek_arrangement_kind get_type(uint32_t width, uint32_t height) {
-    (void)height;
-    if (width < 540) {
-        return ARRANGEMENT_KIND_BASE;
-    }
-    return ARRANGEMENT_KIND_WIDE;
-}
-
 static void
-on_surface_configure(PhoshLayerSurface *surface, ServerContextService *context)
+on_surface_configure(ServerContextService *self, PhoshLayerSurface *surface)
 {
+    GdkDisplay *display = NULL;
+    GdkWindow *window = NULL;
+    GdkMonitor *monitor = NULL;
+    GdkRectangle geometry;
     gint width;
     gint height;
+
+    g_return_if_fail (SERVER_IS_CONTEXT_SERVICE (self));
+    g_return_if_fail (PHOSH_IS_LAYER_SURFACE (surface));
+
     g_object_get(G_OBJECT(surface),
                  "configured-width", &width,
                  "configured-height", &height,
                  NULL);
-    // check if the change would switch types
-    enum squeek_arrangement_kind new_type = get_type((uint32_t)width, (uint32_t)height);
-    if (context->last_type != new_type) {
-        context->last_type = new_type;
-        eekboard_context_service_update_layout(EEKBOARD_CONTEXT_SERVICE(context), context->last_type);
-    }
 
-    guint desired_height = calculate_height(width);
+    // In order to improve height calculation, we need the monitor geometry so
+    // we can use different algorithms for portrait and landscape mode.
+    // Note: this is a temporary fix until the size manager is complete.
+    display = gdk_display_get_default ();
+    if (display)
+        window = gtk_widget_get_window (GTK_WIDGET (surface));
+    if (window)
+        monitor = gdk_display_get_monitor_at_window (display, window);
+    if (monitor)
+        gdk_monitor_get_geometry (monitor, &geometry);
+    else
+        geometry.width = geometry.height = 0;
+
+     // When the geometry event comes after surface.configure,
+     // this entire height calculation does nothing.
+     // guint desired_height = squeek_uiman_get_perceptual_height(context->manager);
+     // Temporarily use old method, until the size manager is complete.
+    guint desired_height = calculate_height(width, &geometry);
+
     guint configured_height = (guint)height;
     // if height was already requested once but a different one was given
     // (for the same set of surrounding properties),
@@ -160,8 +147,8 @@ on_surface_configure(PhoshLayerSurface *surface, ServerContextService *context)
     // as it's likely to create pointless loops
     // of request->reject->request_again->...
     if (desired_height != configured_height
-            && context->last_requested_height != desired_height) {
-        context->last_requested_height = desired_height;
+            && self->last_requested_height != desired_height) {
+        self->last_requested_height = desired_height;
         phosh_layer_surface_set_size(surface, 0,
                                      (gint)desired_height);
         phosh_layer_surface_set_exclusive_zone(surface, (gint)desired_height);
@@ -170,19 +157,19 @@ on_surface_configure(PhoshLayerSurface *surface, ServerContextService *context)
 }
 
 static void
-make_window (ServerContextService *context)
+make_window (ServerContextService *self)
 {
-    if (context->window)
+    if (self->window)
         g_error("Window already present");
 
-    struct wl_output *output = squeek_outputs_get_current(squeek_wayland->outputs);
-    int32_t width = squeek_outputs_get_perceptual_width(squeek_wayland->outputs, output);
-    uint32_t height = calculate_height(width);
+    struct squeek_output_handle output = squeek_outputs_get_current(squeek_wayland->outputs);
+    squeek_uiman_set_output(self->manager, output);
+    uint32_t height = squeek_uiman_get_perceptual_height(self->manager);
 
-    context->window = g_object_new (
+    self->window = g_object_new (
         PHOSH_TYPE_LAYER_SURFACE,
         "layer-shell", squeek_wayland->layer_shell,
-        "wl-output", output,
+        "wl-output", output.output,
         "height", height,
         "anchor", ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM
                   | ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT
@@ -194,11 +181,11 @@ make_window (ServerContextService *context)
         NULL
     );
 
-    g_object_connect (context->window,
-                      "signal::destroy", G_CALLBACK(on_destroy), context,
-                      "signal::map", G_CALLBACK(on_notify_map), context,
-                      "signal::unmap", G_CALLBACK(on_notify_unmap), context,
-                      "signal::configured", G_CALLBACK(on_surface_configure), context,
+    g_object_connect (self->window,
+                      "swapped-signal::destroy", G_CALLBACK(on_destroy), self,
+                      "swapped-signal::map", G_CALLBACK(on_notify_map), self,
+                      "swapped-signal::unmap", G_CALLBACK(on_notify_unmap), self,
+                      "swapped-signal::configured", G_CALLBACK(on_surface_configure), self,
                       NULL);
 
     // The properties below are just to make hacking easier.
@@ -206,82 +193,91 @@ make_window (ServerContextService *context)
     // and there's no space in the protocol for others.
     // Those may still be useful in the future,
     // or for hacks with regular windows.
-    gtk_widget_set_can_focus (GTK_WIDGET(context->window), FALSE);
-    g_object_set (G_OBJECT(context->window), "accept_focus", FALSE, NULL);
-    gtk_window_set_title (GTK_WINDOW(context->window),
+    gtk_widget_set_can_focus (GTK_WIDGET(self->window), FALSE);
+    g_object_set (G_OBJECT(self->window), "accept_focus", FALSE, NULL);
+    gtk_window_set_title (GTK_WINDOW(self->window),
                           _("Squeekboard"));
-    gtk_window_set_icon_name (GTK_WINDOW(context->window), "squeekboard");
-    gtk_window_set_keep_above (GTK_WINDOW(context->window), TRUE);
+    gtk_window_set_icon_name (GTK_WINDOW(self->window), "squeekboard");
+    gtk_window_set_keep_above (GTK_WINDOW(self->window), TRUE);
 }
 
 static void
-destroy_window (ServerContextService *context)
+destroy_window (ServerContextService *self)
 {
-    gtk_widget_destroy (GTK_WIDGET (context->window));
-    context->window = NULL;
+    gtk_widget_destroy (GTK_WIDGET (self->window));
+    self->window = NULL;
 }
 
 static void
-make_widget (ServerContextService *context)
+make_widget (ServerContextService *self)
 {
-    if (context->widget) {
-        gtk_widget_destroy(context->widget);
-        context->widget = NULL;
+    if (self->widget) {
+        gtk_widget_destroy(self->widget);
+        self->widget = NULL;
     }
+    self->widget = eek_gtk_keyboard_new (self->state, self->submission, self->layout);
 
-    LevelKeyboard *keyboard = eekboard_context_service_get_keyboard (EEKBOARD_CONTEXT_SERVICE(context));
-
-    context->widget = eek_gtk_keyboard_new (keyboard);
-
-    gtk_widget_set_has_tooltip (context->widget, TRUE);
-    gtk_container_add (GTK_CONTAINER(context->window), context->widget);
-    gtk_widget_show (context->widget);
-}
-
-static void
-server_context_service_real_show_keyboard (EekboardContextService *_context)
-{
-    ServerContextService *context = SERVER_CONTEXT_SERVICE(_context);
-
-    if (context->hiding) {
-	    g_source_remove (context->hiding);
-	    context->hiding = 0;
-    }
-
-    if (!context->window)
-        make_window (context);
-    if (!context->widget)
-        make_widget (context);
-
-    EEKBOARD_CONTEXT_SERVICE_CLASS (server_context_service_parent_class)->
-        show_keyboard (_context);
-    gtk_widget_show (GTK_WIDGET(context->window));
+    gtk_widget_set_has_tooltip (self->widget, TRUE);
+    gtk_container_add (GTK_CONTAINER(self->window), self->widget);
+    gtk_widget_show_all(self->widget);
 }
 
 static gboolean
-on_hide (ServerContextService *context)
+on_hide (ServerContextService *self)
 {
-    gtk_widget_hide (GTK_WIDGET(context->window));
-    context->hiding = 0;
+    gtk_widget_hide (GTK_WIDGET(self->window));
+    self->hiding = 0;
 
     return G_SOURCE_REMOVE;
 }
 
 static void
-server_context_service_real_hide_keyboard (EekboardContextService *_context)
+server_context_service_real_show_keyboard (ServerContextService *self)
 {
-    ServerContextService *context = SERVER_CONTEXT_SERVICE(_context);
+    if (!self->enabled)
+        return;
 
-    if (!context->hiding)
-	context->hiding = g_timeout_add (200, (GSourceFunc) on_hide, context);
+    if (self->hiding) {
+	    g_source_remove (self->hiding);
+	    self->hiding = 0;
+    }
 
-    EEKBOARD_CONTEXT_SERVICE_CLASS (server_context_service_parent_class)->
-        hide_keyboard (_context);
+    if (!self->window)
+        make_window (self);
+    if (!self->widget)
+        make_widget (self);
+
+    self->visible = TRUE;
+    gtk_widget_show (GTK_WIDGET(self->window));
 }
 
 static void
-server_context_service_real_destroyed (EekboardContextService *_context)
+server_context_service_real_hide_keyboard (ServerContextService *self)
 {
+    if (!self->hiding)
+        self->hiding = g_timeout_add (200, (GSourceFunc) on_hide, self);
+
+    self->visible = FALSE;
+}
+
+void
+server_context_service_show_keyboard (ServerContextService *self)
+{
+    g_return_if_fail (SERVER_IS_CONTEXT_SERVICE(self));
+
+    if (!self->visible) {
+        server_context_service_real_show_keyboard (self);
+    }
+}
+
+void
+server_context_service_hide_keyboard (ServerContextService *self)
+{
+    g_return_if_fail (SERVER_IS_CONTEXT_SERVICE(self));
+
+    if (self->visible) {
+        server_context_service_real_hide_keyboard (self);
+    }
 }
 
 static void
@@ -290,23 +286,32 @@ server_context_service_set_property (GObject      *object,
                                      const GValue *value,
                                      GParamSpec   *pspec)
 {
-    ServerContextService *context = SERVER_CONTEXT_SERVICE(object);
-    GVariant *variant;
+    ServerContextService *self = SERVER_CONTEXT_SERVICE(object);
 
     switch (prop_id) {
-    case PROP_SIZE_CONSTRAINT_LANDSCAPE:
-        variant = g_value_get_variant (value);
-        g_variant_get (variant, "(dd)",
-                       &context->size_constraint_landscape[0],
-                       &context->size_constraint_landscape[1]);
+    case PROP_VISIBLE:
+        self->visible = g_value_get_boolean (value);
         break;
-    case PROP_SIZE_CONSTRAINT_PORTRAIT:
-        variant = g_value_get_variant (value);
-        g_variant_get (variant, "(dd)",
-                       &context->size_constraint_portrait[0],
-                       &context->size_constraint_portrait[1]);
+    case PROP_ENABLED:
+        server_context_service_set_enabled (self, g_value_get_boolean (value));
         break;
+    default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+        break;
+    }
+}
 
+static void
+server_context_service_get_property (GObject    *object,
+                                       guint       prop_id,
+                                       GValue     *value,
+                                       GParamSpec *pspec)
+{
+    ServerContextService *self = SERVER_CONTEXT_SERVICE(object);
+    switch (prop_id) {
+    case PROP_VISIBLE:
+        g_value_set_boolean (value, self->visible);
+        break;
     default:
         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
         break;
@@ -316,10 +321,10 @@ server_context_service_set_property (GObject      *object,
 static void
 server_context_service_dispose (GObject *object)
 {
-    ServerContextService *context = SERVER_CONTEXT_SERVICE(object);
+    ServerContextService *self = SERVER_CONTEXT_SERVICE(object);
 
-    destroy_window (context);
-    context->widget = NULL;
+    destroy_window (self);
+    self->widget = NULL;
 
     G_OBJECT_CLASS (server_context_service_parent_class)->dispose (object);
 }
@@ -327,54 +332,85 @@ server_context_service_dispose (GObject *object)
 static void
 server_context_service_class_init (ServerContextServiceClass *klass)
 {
-    EekboardContextServiceClass *context_class = EEKBOARD_CONTEXT_SERVICE_CLASS(klass);
     GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
     GParamSpec *pspec;
 
-    context_class->show_keyboard = server_context_service_real_show_keyboard;
-    context_class->hide_keyboard = server_context_service_real_hide_keyboard;
-    context_class->destroyed = server_context_service_real_destroyed;
-
     gobject_class->set_property = server_context_service_set_property;
+    gobject_class->get_property = server_context_service_get_property;
     gobject_class->dispose = server_context_service_dispose;
 
-    pspec = g_param_spec_variant ("size-constraint-landscape",
-                                  "Size constraint landscape",
-                                  "Size constraint landscape",
-                                  G_VARIANT_TYPE("(dd)"),
-                                  NULL,
-                                  G_PARAM_WRITABLE);
+    /**
+     * Flag to indicate if keyboard is visible or not.
+     */
+    pspec = g_param_spec_boolean ("visible",
+                                  "Visible",
+                                  "Visible",
+                                  FALSE,
+                                  G_PARAM_READWRITE);
     g_object_class_install_property (gobject_class,
-                                     PROP_SIZE_CONSTRAINT_LANDSCAPE,
+                                     PROP_VISIBLE,
                                      pspec);
 
-    pspec = g_param_spec_variant ("size-constraint-portrait",
-                                  "Size constraint portrait",
-                                  "Size constraint portrait",
-                                  G_VARIANT_TYPE("(dd)"),
-                                  NULL,
-                                  G_PARAM_WRITABLE);
+    /**
+     * ServerContextServie:keyboard:
+     *
+     * Does the user want the keyboard to show up automatically?
+     */
+    pspec =
+        g_param_spec_boolean ("enabled",
+                              "Enabled",
+                              "Whether the keyboard is enabled",
+                              TRUE,
+                              G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
     g_object_class_install_property (gobject_class,
-                                     PROP_SIZE_CONSTRAINT_PORTRAIT,
+                                     PROP_ENABLED,
                                      pspec);
 }
 
 static void
-server_context_service_init (ServerContextService *context)
-{
-    g_signal_connect (context,
-                      "notify::keyboard",
-                      G_CALLBACK(on_notify_keyboard),
-                      context);
+server_context_service_init (ServerContextService *self) {
+    const char *schema_name = "org.gnome.desktop.a11y.applications";
+    GSettingsSchemaSource *ssrc = g_settings_schema_source_get_default();
+    g_autoptr(GSettingsSchema) schema = NULL;
+
+    self->enabled = TRUE;
+    if (!ssrc) {
+        g_warning("No gsettings schemas installed.");
+        return;
+    }
+    schema = g_settings_schema_source_lookup(ssrc, schema_name, TRUE);
+    if (schema) {
+        g_autoptr(GSettings) settings = g_settings_new (schema_name);
+        g_settings_bind (settings, "screen-keyboard-enabled",
+                         self, "enabled", G_SETTINGS_BIND_GET);
+    } else {
+        g_warning("Gsettings schema %s is not installed on the system. "
+                  "Enabling by default.", schema_name);
+    }
 }
 
-EekboardContextService *
-server_context_service_new ()
+ServerContextService *
+server_context_service_new (EekboardContextService *self, struct submission *submission, struct squeek_layout_state *layout, struct ui_manager *uiman)
 {
-    return EEKBOARD_CONTEXT_SERVICE(g_object_new (SERVER_TYPE_CONTEXT_SERVICE, NULL));
+    ServerContextService *ui = g_object_new (SERVER_TYPE_CONTEXT_SERVICE, NULL);
+    ui->submission = submission;
+    ui->state = self;
+    ui->layout = layout;
+    ui->manager = uiman;
+    return ui;
 }
 
-enum squeek_arrangement_kind server_context_service_get_layout_type(EekboardContextService *service)
+void
+server_context_service_set_enabled (ServerContextService *self, gboolean enabled)
 {
-    return SERVER_CONTEXT_SERVICE(service)->last_type;
+    g_return_if_fail (SERVER_IS_CONTEXT_SERVICE (self));
+
+    if (enabled == self->enabled)
+        return;
+
+    self->enabled = enabled;
+    if (self->enabled)
+        server_context_service_show_keyboard (self);
+    else
+        server_context_service_hide_keyboard (self);
 }

src/server-context-service.h

@@ -18,24 +18,22 @@
 #ifndef SERVER_CONTEXT_SERVICE_H
 #define SERVER_CONTEXT_SERVICE_H 1
 
-#include "eekboard/eekboard-service.h"
 #include "src/layout.h"
+#include "src/submission.h"
+#include "ui_manager.h"
 
 G_BEGIN_DECLS
 
 #define SERVER_TYPE_CONTEXT_SERVICE (server_context_service_get_type())
-#define SERVER_CONTEXT_SERVICE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), SERVER_TYPE_CONTEXT_SERVICE, ServerContextService))
-#define SERVER_CONTEXT_SERVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), SERVER_TYPE_CONTEXT_SERVICE, ServerContextServiceClass))
-#define SERVER_IS_CONTEXT_SERVICE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SERVER_TYPE_CONTEXT_SERVICE))
-#define SERVER_IS_CONTEXT_SERVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SERVER_TYPE_CONTEXT_SERVICE))
-#define SERVER_CONTEXT_SERVICE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), SERVER_TYPE_CONTEXT_SERVICE, ServerContextServiceClass))
 
-/** Manages the liecycle of the window displaying layouts. */
-typedef struct _ServerContextService ServerContextService;
-
-EekboardContextService *server_context_service_new ();
-enum squeek_arrangement_kind server_context_service_get_layout_type(EekboardContextService*);
+/** Manages the lifecycle of the window displaying layouts. */
+G_DECLARE_FINAL_TYPE (ServerContextService, server_context_service, SERVER, CONTEXT_SERVICE, GObject)
 
+ServerContextService *server_context_service_new(EekboardContextService *self, struct submission *submission, struct squeek_layout_state *layout, struct ui_manager *uiman);
+enum squeek_arrangement_kind server_context_service_get_layout_type(ServerContextService *);
+void server_context_service_show_keyboard (ServerContextService *self);
+void server_context_service_hide_keyboard (ServerContextService *self);
+void server_context_service_set_enabled (ServerContextService *self, gboolean enabled);
 G_END_DECLS
 #endif  /* SERVER_CONTEXT_SERVICE_H */
 

src/server-main.c

@@ -25,11 +25,14 @@
 
 #include "config.h"
 
-#include "eekboard/eekboard-service.h"
 #include "eek/eek.h"
-#include "imservice.h"
+#include "eekboard/eekboard-context-service.h"
+#include "dbus.h"
+#include "layout.h"
 #include "outputs.h"
+#include "submission.h"
 #include "server-context-service.h"
+#include "ui_manager.h"
 #include "wayland.h"
 
 #include <gdk/gdkwayland.h>
@@ -37,9 +40,13 @@
 
 /// Global application state
 struct squeekboard {
-    struct squeek_wayland wayland;
-    EekboardContextService *context;
-    struct imservice *imservice;
+    struct squeek_wayland wayland; // Just hooks.
+    DBusHandler *dbus_handler; // Controls visibility of the OSK.
+    EekboardContextService *settings_context; // Gsettings hooks.
+    ServerContextService *ui_context; // mess, includes the entire UI
+    struct submission *submission; // Wayland text input handling.
+    struct squeek_layout_state layout_choice; // Currently wanted layout.
+    struct ui_manager *ui_manager; // UI shape tracker/chooser. TODO: merge with layuot choice
 };
 
 
@@ -64,31 +71,14 @@ on_name_lost (GDBusConnection *connection,
               gpointer         user_data)
 {
     // TODO: could conceivable continue working
+    // if intrnal changes stop sending dbus changes
     (void)connection;
     (void)name;
     (void)user_data;
+    g_error("DBus unavailable, unclear how to continue.");
     exit (1);
 }
 
-static void
-on_destroyed (EekboardService *service,
-              gpointer      user_data)
-{
-    (void)service;
-    GMainLoop *loop = user_data;
-
-    g_main_loop_quit (loop);
-}
-
-static EekboardContextService *create_context() {
-    EekboardContextService *context = server_context_service_new ();
-    g_object_set_data_full (G_OBJECT(context),
-                            "owner", g_strdup ("sender"),
-                            (GDestroyNotify)g_free);
-    eekboard_context_service_enable (context);
-    return context;
-}
-
 // Wayland
 
 static void
@@ -209,7 +199,13 @@ main (int argc, char **argv)
         exit(1);
     }
 
-    instance.context = create_context();
+    if (!instance.wayland.input_method_manager) {
+        g_warning("Wayland input method interface not available");
+    }
+
+    instance.ui_manager = squeek_uiman_new();
+
+    instance.settings_context = eekboard_context_service_new(&instance.layout_choice);
 
     // set up dbus
 
@@ -232,9 +228,9 @@ main (int argc, char **argv)
         error = NULL;
         connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
         if (connection == NULL) {
-            g_printerr ("Can't connect to the bus: %s\n", error->message);
+            g_printerr ("Can't connect to the bus: %s. "
+                        "Visibility switching unavailable.", error->message);
             g_error_free (error);
-            exit (1);
         }
         break;
     case G_BUS_TYPE_NONE:
@@ -256,51 +252,70 @@ main (int argc, char **argv)
         g_assert_not_reached ();
         break;
     }
+    guint owner_id = 0;
+    DBusHandler *service = NULL;
+    if (connection) {
+        service = dbus_handler_new(connection, DBUS_SERVICE_PATH);
 
-    EekboardService *service = eekboard_service_new (connection, EEKBOARD_SERVICE_PATH);
+        if (service == NULL) {
+            g_printerr ("Can't create dbus server\n");
+            exit (1);
+        }
+        instance.dbus_handler = service;
 
-    if (service == NULL) {
-        g_printerr ("Can't create dbus server\n");
-        exit (1);
-    } else {
-        eekboard_service_set_context(service, instance.context);
-    }
-
-    guint owner_id = g_bus_own_name_on_connection (connection,
-                                             EEKBOARD_SERVICE_INTERFACE,
-                                             G_BUS_NAME_OWNER_FLAGS_NONE,
-                                             on_name_acquired,
-                                             on_name_lost,
-                                             NULL,
-                                             NULL);
-    if (owner_id == 0) {
-        g_printerr ("Can't own the name\n");
-        exit (1);
-    }
-
-    struct imservice *imservice = NULL;
-    if (instance.wayland.input_method_manager) {
-        imservice = get_imservice(instance.context,
-                                  instance.wayland.input_method_manager,
-                                  instance.wayland.seat);
-        if (imservice) {
-            instance.imservice = imservice;
-        } else {
-            g_warning("Failed to register as an input method");
+        owner_id = g_bus_own_name_on_connection (connection,
+                                                 DBUS_SERVICE_INTERFACE,
+                                                 G_BUS_NAME_OWNER_FLAGS_NONE,
+                                                 on_name_acquired,
+                                                 on_name_lost,
+                                                 NULL,
+                                                 NULL);
+        if (owner_id == 0) {
+            g_printerr ("Can't own the name\n");
+            exit (1);
         }
     }
 
+    instance.submission = get_submission(instance.wayland.input_method_manager,
+                                         instance.wayland.virtual_keyboard_manager,
+                                         instance.wayland.seat,
+                                         instance.settings_context);
+
+    eekboard_context_service_set_submission(instance.settings_context, instance.submission);
+
+    ServerContextService *ui_context = server_context_service_new(
+                instance.settings_context,
+                instance.submission,
+                &instance.layout_choice,
+                instance.ui_manager);
+    if (!ui_context) {
+        g_error("Could not initialize GUI");
+        exit(1);
+    }
+    instance.ui_context = ui_context;
+    if (instance.submission) {
+        submission_set_ui(instance.submission, instance.ui_context);
+    }
+    if (instance.dbus_handler) {
+        dbus_handler_set_ui_context(instance.dbus_handler, instance.ui_context);
+    }
+    eekboard_context_service_set_ui(instance.settings_context, instance.ui_context);
+
     session_register();
 
     GMainLoop *loop = g_main_loop_new (NULL, FALSE);
 
-    g_signal_connect (service, "destroyed", G_CALLBACK(on_destroyed), loop);
-
     g_main_loop_run (loop);
 
-    g_bus_unown_name (owner_id);
-    g_object_unref (service);
-    g_object_unref (connection);
+    if (connection) {
+        if (service) {
+            if (owner_id != 0) {
+                g_bus_unown_name (owner_id);
+            }
+            g_object_unref (service);
+        }
+        g_object_unref (connection);
+    }
     g_main_loop_unref (loop);
 
     squeek_wayland_deinit (&instance.wayland);

src/style.h

@@ -2,6 +2,6 @@
 #define __STYLE_H
 #include "gtk/gtk.h"
 
-GtkCssProvider *squeek_load_style();
+GtkCssProvider *squeek_load_style(void);
 
 #endif

src/style.rs

@@ -19,6 +19,7 @@
 /*! CSS data loading. */
 
 use std::env;
+use ::logging;
 
 use glib::object::ObjectExt;
 use logging::Warn;
@@ -84,7 +85,10 @@ fn get_theme_name(settings: &gtk::Settings) -> GtkTheme {
             match &e {
                 env::VarError::NotPresent => {},
                 // maybe TODO: forward this warning?
-                e => eprintln!("GTK_THEME variable invalid: {}", e),
+                e => log_print!(
+                    logging::Level::Surprise,
+                    "GTK_THEME variable invalid: {}", e,
+                ),
             };
             e
         }).ok();
@@ -94,15 +98,13 @@ fn get_theme_name(settings: &gtk::Settings) -> GtkTheme {
         None => GtkTheme {
             name: {
                 settings.get_property("gtk-theme-name")
-                    // maybe TODO: is this worth a warning?
-                    .or_warn("No theme name")
+                    .or_print(logging::Problem::Surprise, "No theme name")
                     .and_then(|value| value.get::<String>())
                     .unwrap_or(DEFAULT_THEME_NAME.into())
             },
             variant: {
                 settings.get_property("gtk-application-prefer-dark-theme")
-                    // maybe TODO: is this worth a warning?
-                    .or_warn("No settings key")
+                    .or_print(logging::Problem::Surprise, "No settings key")
                     .and_then(|value| value.get::<bool>())
                     .and_then(|dark_preferred| match dark_preferred {
                         true => Some("dark".into()),

src/submission.h

@@ -0,0 +1,19 @@
+#ifndef __SUBMISSION_H
+#define __SUBMISSION_H
+
+#include "input-method-unstable-v2-client-protocol.h"
+#include "virtual-keyboard-unstable-v1-client-protocol.h"
+#include "eek/eek-types.h"
+
+struct submission;
+
+struct submission* get_submission(struct zwp_input_method_manager_v2 *immanager,
+                                  struct zwp_virtual_keyboard_manager_v1 *vkmanager,
+                                  struct wl_seat *seat,
+                                  EekboardContextService *state);
+
+// Defined in Rust
+struct submission* submission_new(struct zwp_input_method_v2 *im, struct zwp_virtual_keyboard_v1 *vk, EekboardContextService *state);
+void submission_set_ui(struct submission *self, ServerContextService *ui_context);
+void submission_set_keyboard(struct submission *self, LevelKeyboard *keyboard, uint32_t time);
+#endif

src/submission.rs

@@ -1,69 +1,291 @@
-/*! Managing the events belonging to virtual-keyboard interface. */
+/*! Managing the state of text input in the application.
+ * 
+ * This is a library module.
+ * 
+ * It needs to combine text-input and virtual-keyboard protocols
+ * to achieve a consistent view of the text-input state,
+ * and to submit exactly what the user wanted.
+ * 
+ * It must also not get tripped up by sudden disappearances of interfaces.
+ * 
+ * The virtual-keyboard interface is always present.
+ * 
+ * The text-input interface may not be presented,
+ * and, for simplicity, no further attempt to claim it is made.
+ * 
+ * The text-input interface may be enabled and disabled at arbitrary times,
+ * and those events SHOULD NOT cause any lost events.
+ * */
 
-use ::keyboard::{ KeyState, PressType };
+use std::collections::HashSet;
+use std::ffi::CString;
+use ::action::Modifier;
+use ::imservice;
+use ::imservice::IMService;
+use ::keyboard::{ KeyCode, KeyStateId, Modifiers, PressType };
+use ::layout::c::LevelKeyboard;
+use ::util::vec_remove;
+use ::vkeyboard::VirtualKeyboard;
+
+// traits
+use std::iter::FromIterator;
 
 /// Gathers stuff defined in C or called by C
 pub mod c {
+    use super::*;
+    
     use std::os::raw::c_void;
 
+    use ::imservice::c::InputMethod;
+    use ::vkeyboard::c::ZwpVirtualKeyboardV1;
+
+    // The following defined in C
+
+    /// ServerContextService*
     #[repr(transparent)]
-    #[derive(Clone, Copy)]
-    pub struct ZwpVirtualKeyboardV1(*const c_void);
+    pub struct UIManager(*const c_void);
+
+    /// EekboardContextService*
+    #[repr(transparent)]
+    pub struct StateManager(*const c_void);
 
     #[no_mangle]
-    extern "C" {
-        /// Checks if point falls within bounds,
-        /// which are relative to origin and rotated by angle (I think)
-        pub fn eek_virtual_keyboard_v1_key(
-            virtual_keyboard: ZwpVirtualKeyboardV1,
-            timestamp: u32,
-            keycode: u32,
-            press: u32,
-        );
+    pub extern "C"
+    fn submission_new(
+        im: *mut InputMethod,
+        vk: ZwpVirtualKeyboardV1,
+        state_manager: *const StateManager
+    ) -> *mut Submission {
+        let imservice = if im.is_null() {
+            None
+        } else {
+            Some(IMService::new(im, state_manager))
+        };
+        // TODO: add vkeyboard too
+        Box::<Submission>::into_raw(Box::new(
+            Submission {
+                imservice,
+                modifiers_active: Vec::new(),
+                virtual_keyboard: VirtualKeyboard(vk),
+                pressed: Vec::new(),
+            }
+        ))
+    }
+
+    /// Use to initialize the UI reference
+    #[no_mangle]
+    pub extern "C"
+    fn submission_set_ui(submission: *mut Submission, ui_manager: *const UIManager) {
+        if submission.is_null() {
+            panic!("Null submission pointer");
+        }
+        let submission: &mut Submission = unsafe { &mut *submission };
+        if let Some(ref mut imservice) = &mut submission.imservice {
+            imservice.ui_manager = if ui_manager.is_null() {
+                None
+            } else {
+                Some(ui_manager)
+            }
+        };
+    }
+
+    #[no_mangle]
+    pub extern "C"
+    fn submission_set_keyboard(
+        submission: *mut Submission,
+        keyboard: LevelKeyboard,
+        time: u32,
+    ) {
+        if submission.is_null() {
+            panic!("Null submission pointer");
+        }
+        let submission: &mut Submission = unsafe { &mut *submission };
+        submission.update_keymap(keyboard, Timestamp(time));
     }
 }
 
 #[derive(Clone, Copy)]
 pub struct Timestamp(pub u32);
 
-/// Layout-independent backend. TODO: Have one instance per program or seat
-pub struct VirtualKeyboard(pub c::ZwpVirtualKeyboardV1);
+#[derive(Clone)]
+enum SubmittedAction {
+    /// A collection of keycodes that were pressed
+    VirtualKeyboard(Vec<KeyCode>),
+    IMService,
+}
 
-impl VirtualKeyboard {
-    // TODO: split out keyboard state management
-    pub fn switch(
-        &self,
-        key: &mut KeyState,
-        action: PressType,
-        timestamp: Timestamp,
+pub struct Submission {
+    imservice: Option<Box<IMService>>,
+    virtual_keyboard: VirtualKeyboard,
+    modifiers_active: Vec<(KeyStateId, Modifier)>,
+    pressed: Vec<(KeyStateId, SubmittedAction)>,
+}
+
+pub enum SubmitData<'a> {
+    Text(&'a CString),
+    Erase,
+    Keycodes,
+}
+
+impl Submission {
+    /// Sends a submit text event if possible;
+    /// otherwise sends key press and makes a note of it
+    pub fn handle_press(
+        &mut self,
+        key_id: KeyStateId,
+        data: SubmitData,
+        keycodes: &Vec<KeyCode>,
+        time: Timestamp,
     ) {
-        key.pressed = action.clone();
+        let mods_are_on = !self.modifiers_active.is_empty();
 
-        let keycodes_count = key.keycodes.len();
-        for keycode in key.keycodes.iter() {
-            let keycode = keycode - 8;
-            match (&key.pressed, keycodes_count) {
-                // Pressing a key made out of a single keycode is simple:
-                // press on press, release on release.
-                (_, 1) => unsafe {
-                    c::eek_virtual_keyboard_v1_key(
-                        self.0, timestamp.0, keycode, action.clone() as u32
-                    );
+        let was_committed_as_text = match (&mut self.imservice, mods_are_on) {
+            (Some(imservice), false) => {
+                enum Outcome {
+                    Submitted(Result<(), imservice::SubmitError>),
+                    NotSubmitted,
+                };
+
+                let submit_outcome = match data {
+                    SubmitData::Text(text) => {
+                        Outcome::Submitted(imservice.commit_string(text))
+                    },
+                    SubmitData::Erase => {
+                        /* Delete_surrounding_text takes byte offsets,
+                         * so cannot work without get_surrounding_text.
+                         * This is a bug in the protocol.
+                         */
+                        // imservice.delete_surrounding_text(1, 0),
+                        Outcome::NotSubmitted
+                    },
+                    SubmitData::Keycodes => Outcome::NotSubmitted,
+                };
+
+                match submit_outcome {
+                    Outcome::Submitted(result) => {
+                        match result.and_then(|()| imservice.commit()) {
+                            Ok(()) => true,
+                            Err(imservice::SubmitError::NotActive) => false,
+                        }
+                    },
+                    Outcome::NotSubmitted => false,
+                }
+            },
+            (_, _) => false,
+        };
+
+        let submit_action = match was_committed_as_text {
+            true => SubmittedAction::IMService,
+            false => {
+                self.virtual_keyboard.switch(
+                    keycodes,
+                    PressType::Pressed,
+                    time,
+                );
+                SubmittedAction::VirtualKeyboard(keycodes.clone())
+            },
+        };
+        
+        self.pressed.push((key_id, submit_action));
+    }
+    
+    pub fn handle_release(&mut self, key_id: KeyStateId, time: Timestamp) {
+        let index = self.pressed.iter().position(|(id, _)| *id == key_id);
+        if let Some(index) = index {
+            let (_id, action) = self.pressed.remove(index);
+            match action {
+                // string already sent, nothing to do
+                SubmittedAction::IMService => {},
+                // no matter if the imservice got activated,
+                // keys must be released
+                SubmittedAction::VirtualKeyboard(keycodes) => {
+                    self.virtual_keyboard.switch(
+                        &keycodes,
+                        PressType::Released,
+                        time,
+                    )
                 },
-                // A key made of multiple keycodes
-                // has to submit them one after the other
-                (PressType::Pressed, _) => unsafe {
-                    c::eek_virtual_keyboard_v1_key(
-                        self.0, timestamp.0, keycode, PressType::Pressed as u32
-                    );
-                    c::eek_virtual_keyboard_v1_key(
-                        self.0, timestamp.0, keycode, PressType::Released as u32
-                    );
-                },
-                // Design choice here: submit multiple all at press time
-                // and do nothing at release time
-                (PressType::Released, _) => {},
             }
+        };
+    }
+    
+    pub fn handle_add_modifier(
+        &mut self,
+        key_id: KeyStateId,
+        modifier: Modifier, _time: Timestamp,
+    ) {
+        self.modifiers_active.push((key_id, modifier));
+        self.update_modifiers();
+    }
+
+    pub fn handle_drop_modifier(
+        &mut self,
+        key_id: KeyStateId,
+        _time: Timestamp,
+    ) {
+        vec_remove(&mut self.modifiers_active, |(id, _)| *id == key_id);
+        self.update_modifiers();
+    }
+
+    fn update_modifiers(&mut self) {
+        let raw_modifiers = self.modifiers_active.iter()
+            .map(|(_id, m)| match m {
+                Modifier::Control => Modifiers::CONTROL,
+                Modifier::Alt => Modifiers::MOD1,
+            })
+            .fold(Modifiers::empty(), |m, n| m | n);
+        self.virtual_keyboard.set_modifiers_state(raw_modifiers);
+    }
+
+    pub fn is_modifier_active(&self, modifier: Modifier) -> bool {
+        self.modifiers_active.iter()
+            .position(|(_id, m)| *m == modifier)
+            .is_some()
+    }
+
+    pub fn get_active_modifiers(&self) -> HashSet<Modifier> {
+        HashSet::from_iter(
+            self.modifiers_active.iter().map(|(_id, m)| m.clone())
+        )
+    }
+
+    fn clear_all_modifiers(&mut self) {
+        // Looks like an optimization,
+        // but preemptive cleaning is needed before setting a new keymap,
+        // so removing this check would break keymap setting.
+        if self.modifiers_active.is_empty() {
+            return;
+        }
+        self.modifiers_active = Vec::new();
+        self.virtual_keyboard.set_modifiers_state(Modifiers::empty())
+    }
+
+    fn release_all_virtual_keys(&mut self, time: Timestamp) {
+        let virtual_pressed = self.pressed
+            .clone().into_iter()
+            .filter_map(|(id, action)| {
+                match action {
+                    SubmittedAction::VirtualKeyboard(_) => Some(id),
+                    _ => None,
+                }
+            });
+        for id in virtual_pressed {
+            self.handle_release(id, time);
         }
     }
+
+    /// Changes keymap and clears pressed keys and modifiers.
+    ///
+    /// It's not obvious if clearing is the right thing to do, 
+    /// but keymap update may (or may not) do that,
+    /// possibly putting self.modifiers_active and self.pressed out of sync,
+    /// so a consistent stance is adopted to avoid that.
+    /// Alternatively, modifiers could be restored on the new keymap.
+    /// That approach might be difficult
+    /// due to modifiers meaning different things in different keymaps.
+    pub fn update_keymap(&mut self, keyboard: LevelKeyboard, time: Timestamp) {
+        self.clear_all_modifiers();
+        self.release_all_virtual_keys(time);
+        self.virtual_keyboard.update_keymap(keyboard);
+    }
 }

src/tests.rs

@@ -1,17 +1,22 @@
 /*! Testing functionality */
 
 use ::data::Layout;
+use ::logging;
 use xkbcommon::xkb;
 
-use ::logging::WarningHandler;
-
 
 pub struct CountAndPrint(u32);
 
-impl WarningHandler for CountAndPrint {
-    fn handle(&mut self, warning: &str) {
-        self.0 = self.0 + 1;
-        println!("{}", warning);
+impl logging::Handler for CountAndPrint {
+    fn handle(&mut self, level: logging::Level, warning: &str) {
+        use logging::Level::*;
+        match level {
+            Panic | Bug | Error | Warning | Surprise => {
+                self.0 += 1;
+            },
+            _ => {}
+        }
+        logging::Print{}.handle(level, warning)
     }
 }
 
@@ -21,20 +26,48 @@ impl CountAndPrint {
     }
 }
 
-pub fn check_builtin_layout(name: &str) {
-    check_layout(Layout::from_resource(name).expect("Invalid layout data"))
+pub fn check_builtin_layout(name: &str, missing_return: bool) {
+    check_layout(
+        Layout::from_resource(name).expect("Invalid layout data"),
+        missing_return,
+    )
 }
 
 pub fn check_layout_file(path: &str) {
-    check_layout(Layout::from_file(path.into()).expect("Invalid layout file"))
+    check_layout(
+        Layout::from_file(path.into()).expect("Invalid layout file"),
+        false,
+    )
 }
 
-fn check_layout(layout: Layout) {
+fn check_sym_presence(
+    state: &xkb::State,
+    sym_name: &str,
+    handler: &mut dyn logging::Handler,
+) {
+    let sym = xkb::keysym_from_name(sym_name, xkb::KEYSYM_NO_FLAGS);
+    if sym == xkb::KEY_NoSymbol {
+        panic!(format!("Entered invalid keysym: {}", sym_name));
+    }
+    let map = state.get_keymap();
+    let range = map.min_keycode()..=map.max_keycode();
+    let found = range.flat_map(|code| state.key_get_syms(code))
+        .find(|s| **s == sym)
+        .is_some();
+    if !found {
+        handler.handle(
+            logging::Level::Surprise,
+            &format!("There's no way to input the keysym {} on this layout", sym_name),
+        )
+    }
+}
+
+fn check_layout(layout: Layout, allow_missing_return: bool) {
     let handler = CountAndPrint::new();
-    let (layout, handler) = layout.build(handler);
+    let (layout, mut handler) = layout.build(handler);
 
     if handler.0 > 0 {
-        println!("{} mistakes in layout", handler.0)
+        println!("{} problems while parsing layout", handler.0)
     }
 
     let layout = layout.expect("layout broken");
@@ -53,11 +86,20 @@ fn check_layout(layout: Layout) {
     ).expect("Failed to create keymap");
 
     let state = xkb::State::new(&keymap);
-    
+
+    check_sym_presence(&state, "BackSpace", &mut handler);
+    let mut printer = logging::Print;
+    check_sym_presence(
+        &state,
+        "Return",
+        if allow_missing_return { &mut printer }
+        else { &mut handler },
+    );
+
     // "Press" each button with keysyms
-    for view in layout.views.values() {
-        for (_y, row) in &view.get_rows() {
-            for (_x, button) in &row.buttons {
+    for (_pos, view) in layout.views.values() {
+        for (_y, row) in view.get_rows() {
+            for (_x, button) in row.get_buttons() {
                 let keystate = button.state.borrow();
                 for keycode in &keystate.keycodes {
                     match state.key_get_one_sym(*keycode) {