keycodes: Moved submission to Rust

eek/eek-keyboard.c

@@ -31,6 +31,7 @@
 #include <glib/gprintf.h>
 
 #include "eek-enumtypes.h"
+#include "eekboard/eekboard-context-service.h"
 #include "eekboard/key-emitter.h"
 #include "keymap.h"
 #include "src/keyboard.h"
@@ -93,17 +94,8 @@ set_level_from_press (LevelKeyboard *keyboard, struct squeek_key *key)
 }
 
 void eek_keyboard_press_key(LevelKeyboard *keyboard, struct squeek_key *key, guint32 timestamp) {
-    squeek_key_set_pressed(key, TRUE);
     keyboard->pressed_keys = g_list_prepend (keyboard->pressed_keys, key);
-
-    // Only take action about setting level *after* the key has taken effect, i.e. on release
-    //set_level_from_press (keyboard, key);
-
-    // "Borrowed" from eek-context-service; doesn't influence the state but forwards the event
-
-    guint keycode = squeek_key_get_keycode (key);
-
-    emit_key_activated(keyboard->manager, keyboard, keycode, TRUE, timestamp);
+    squeek_key_press(key, keyboard->manager->virtual_keyboard, KEY_PRESS, timestamp);
 }
 
 void eek_keyboard_release_key(LevelKeyboard *keyboard,
@@ -118,12 +110,7 @@ void eek_keyboard_release_key(LevelKeyboard *keyboard,
     }
 
     set_level_from_press (keyboard, key);
-
-    // "Borrowed" from eek-context-service; doesn't influence the state but forwards the event
-
-    guint keycode = squeek_key_get_keycode (key);
-
-    emit_key_activated(keyboard->manager, keyboard, keycode, FALSE, timestamp);
+    squeek_key_press(key, keyboard->manager->virtual_keyboard, KEY_RELEASE, timestamp);
 }
 
 void level_keyboard_deinit(LevelKeyboard *self) {

eekboard/key-emitter.c

@@ -131,7 +131,6 @@ emit_key_activated (EekboardContextService *manager,
 */
     SeatEmitter emitter = {0};
     emitter.virtual_keyboard = manager->virtual_keyboard;
-    emitter.keymap = keyboard->keymap;
     update_modifier_info (&emitter);
     send_fake_key (&emitter, keyboard, keycode, pressed, timestamp);
 }

src/keyboard.h

@@ -1,15 +1,21 @@
 #ifndef __KEYBOARD_H
 #define __KEYBOARD_H
 
-#include "stdbool.h"
 #include "inttypes.h"
+#include "stdbool.h"
+#include "virtual-keyboard-unstable-v1-client-protocol.h"
 
 struct squeek_key;
 
 uint32_t squeek_key_is_pressed(struct squeek_key *key);
-void squeek_key_set_pressed(struct squeek_key *key, uint32_t pressed);
 uint32_t squeek_key_is_locked(struct squeek_key *key);
 void squeek_key_set_locked(struct squeek_key *key, uint32_t pressed);
-uint32_t squeek_key_get_keycode(struct squeek_key *key);
 uint32_t squeek_key_equal(struct squeek_key* key, struct squeek_key* key1);
+
+enum key_press {
+    KEY_RELEASE = 0,
+    KEY_PRESS = 1,
+};
+
+void squeek_key_press(struct squeek_key *key, struct zwp_virtual_keyboard_v1*, enum key_press press, uint32_t timestamp);
 #endif

src/keyboard.rs

@@ -17,8 +17,25 @@ pub mod c {
     use super::*;
     use ::util::c;
 
+    use std::os::raw::c_void;
+
     pub type CKeyState = c::Wrapped<KeyState>;
 
+    #[repr(transparent)]
+    pub struct ZwpVirtualKeyboardV1(*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: *mut ZwpVirtualKeyboardV1,
+            timestamp: u32,
+            keycode: u32,
+            press: u32,
+        );
+    }
+
     // The following defined in Rust. TODO: wrap naked pointers to Rust data inside RefCells to prevent multiple writers
 
     /// Compares pointers to the data
@@ -35,14 +52,6 @@ pub mod c {
         return key.to_owned().pressed as u32;
     }
 
-    #[no_mangle]
-    pub extern "C"
-    fn squeek_key_set_pressed(key: CKeyState, pressed: u32) {
-        let key = key.clone_ref();
-        let mut key = key.borrow_mut();
-        key.pressed = pressed != 0;
-    }
-    
     #[no_mangle]
     pub extern "C"
     fn squeek_key_is_locked(key: CKeyState) -> u32 {
@@ -59,8 +68,24 @@ pub mod c {
 
     #[no_mangle]
     pub extern "C"
-    fn squeek_key_get_keycode(key: CKeyState) -> u32 {
-        return key.to_owned().keycode.unwrap_or(0u32);
+    fn squeek_key_press(
+        key: CKeyState,
+        virtual_keyboard: *mut ZwpVirtualKeyboardV1,
+        press: u32,
+        timestamp: u32,
+    ) {
+        let key = key.clone_ref();
+        let mut key = key.borrow_mut();
+        key.pressed = press != 0;
+
+        if let Some(keycode) = key.keycode {
+            let keycode = keycode - 8;
+            unsafe {
+                eek_virtual_keyboard_v1_key(
+                    virtual_keyboard, timestamp, keycode, press
+                );
+            }
+        }
     }
 }
 

src/wayland.c

@@ -1,3 +1,12 @@
 #include "wayland.h"
 
 struct squeek_wayland *squeek_wayland = NULL;
+
+// The following functions only exist
+// to create linkable symbols out of inline functions,
+// because those are not directly callable from Rust
+
+void
+eek_virtual_keyboard_v1_key(struct zwp_virtual_keyboard_v1 *zwp_virtual_keyboard_v1, uint32_t time, uint32_t key, uint32_t state) {
+    zwp_virtual_keyboard_v1_key(zwp_virtual_keyboard_v1, time, key, state);
+}