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symbol: Store symbols instead of pointers

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This commit is contained in:
Dorota Czaplejewicz
2019-08-03 09:29:03 +00:00
parent 53b89aae45
commit ad86cb531a
4 changed files with 53 additions and 56 deletions
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2
eek/eek-keyboard.c
View File

@ -761,7 +761,7 @@ eek_keyboard_get_keymap(EekKeyboard *keyboard)
g_free(current);
// FIXME: free
char *key_str = squeek_key_to_keymap_entry(
const char *key_str = squeek_key_to_keymap_entry(
(char*)key_name,
eek_key_get_symbol_matrix(key)
);

4
eek/eek-xml-layout.c
View File

@ -748,7 +748,8 @@ symbols_end_element_callback (GMarkupParseContext *pcontext,
g_strcmp0 (element_name, "keysym") == 0 ||
g_strcmp0 (element_name, "text") == 0) {
struct squeek_symbol *symbol = squeek_symbol_new(
squeek_symbols_add(
eek_key_get_symbol_matrix(data->key),
element_name,
text,
data->keyval,
@ -757,7 +758,6 @@ symbols_end_element_callback (GMarkupParseContext *pcontext,
data->tooltip
);
squeek_symbols_append(eek_key_get_symbol_matrix(data->key), symbol);
data->keyval = 0;
g_free(data->label);
data->label = NULL;

10
src/symbol.h
View File

@ -8,10 +8,11 @@
struct squeek_symbol;
struct squeek_symbols;
struct squeek_symbol* squeek_symbol_new(const char *element_name,
const char *text, uint32_t keyval,
const char *label, const char *icon,
const char *tooltip);
void squeek_symbols_add(struct squeek_symbols*,
const char *element_name,
const char *text, uint32_t keyval,
const char *label, const char *icon,
const char *tooltip);
const char *squeek_symbol_get_name(struct squeek_symbol* symbol);
@ -23,7 +24,6 @@ void squeek_symbol_print(struct squeek_symbol* symbol);
struct squeek_symbols* squeek_symbols_new();
void squeek_symbols_free(struct squeek_symbols*);
void squeek_symbols_append(struct squeek_symbols*, struct squeek_symbol *item);
struct squeek_symbol *squeek_symbols_get(struct squeek_symbols*, uint32_t level);
const char* squeek_key_to_keymap_entry(const char *key_name, struct squeek_symbols *symbols);

93
src/symbol.rs
View File

@ -68,18 +68,22 @@ pub mod c {
Shift = 1,
}
// The following defined in Rust. TODO: wrap naked pointers to Rust data inside RefCells to prevent multiple writers
// The following defined in Rust.
// TODO: wrap naked pointers to Rust data inside RefCells to prevent multiple writers
// Symbols are owned by Rust and will move towards no C manipulation, so it may make sense not to wrap them
// TODO: this will receive data from the filesystem,
// so it should handle garbled strings in the future
#[no_mangle]
pub extern "C"
fn squeek_symbol_new(
fn squeek_symbols_add(
v: *mut Vec<Symbol>,
element: *const c_char,
text_raw: *const c_char, keyval: u32,
label: *const c_char, icon: *const c_char,
tooltip: *const c_char,
) -> *mut Symbol {
) {
let element = as_cstr(&element)
.expect("Missing element name");
@ -123,40 +127,41 @@ pub mod c {
eprintln!("Tooltip unreadable: {}", e);
None
});
Box::<Symbol>::into_raw(Box::new(
match element.to_bytes() {
b"symbol" => Symbol {
action: Action::Submit {
text: text,
keys: Vec::new(),
let symbol = match element.to_bytes() {
b"symbol" => Symbol {
action: Action::Submit {
text: text,
keys: Vec::new(),
},
label: label,
tooltip: tooltip,
},
b"keysym" => {
let keysym = XKeySym(
if keyval == 0 {
unsafe { eek_keysym_from_name(text_raw) }
} else {
keyval
}
);
Symbol {
action: match KeySym::from_u32(keysym.0) {
KeySym::Shift => Action::SetLevel(1),
_ => Action::Submit {
text: text,
keys: vec![keysym],
}
},
label: label,
tooltip: tooltip,
},
b"keysym" => {
let keysym = XKeySym(
if keyval == 0 {
unsafe { eek_keysym_from_name(text_raw) }
} else {
keyval
}
);
Symbol {
action: match KeySym::from_u32(keysym.0) {
KeySym::Shift => Action::SetLevel(1),
_ => Action::Submit {
text: text,
keys: vec![keysym],
}
},
label: label,
tooltip: tooltip,
}
},
_ => panic!("unsupported element type {:?}", element),
}
))
}
},
_ => panic!("unsupported element type {:?}", element),
};
let v = unsafe { &mut *v };
v.push(symbol);
}
#[no_mangle]
@ -212,30 +217,23 @@ pub mod c {
#[no_mangle]
pub extern "C"
fn squeek_symbols_new() -> *const Vec<*const Symbol> {
fn squeek_symbols_new() -> *const Vec<Symbol> {
Box::into_raw(Box::new(Vec::new()))
}
#[no_mangle]
pub extern "C"
fn squeek_symbols_append(v: *mut Vec<*const Symbol>, symbol: *const Symbol) {
let v = unsafe { &mut *v };
v.push(symbol);
}
#[no_mangle]
pub extern "C"
fn squeek_symbols_get(v: *mut Vec<*const Symbol>, index: u32) -> *const Symbol {
fn squeek_symbols_get(v: *mut Vec<Symbol>, index: u32) -> *const Symbol {
let v = unsafe { &mut *v };
let index = index as usize;
v[
&v[
if index < v.len() { index } else { 0 }
]
] as *const Symbol
}
#[no_mangle]
pub extern "C"
fn squeek_symbols_free(symbols: *mut Vec<*const Symbol>) {
fn squeek_symbols_free(symbols: *mut Vec<Symbol>) {
unsafe { Box::from_raw(symbols) }; // Will just get dropped, together with the contents
}
@ -243,7 +241,7 @@ pub mod c {
pub extern "C"
fn squeek_key_to_keymap_entry(
key_name: *const c_char,
symbols: *const Vec<*const Symbol>,
symbols: *const Vec<Symbol>,
) -> *const c_char {
let key_name = as_cstr(&key_name)
.expect("Missing key name")
@ -252,7 +250,6 @@ pub mod c {
let symbols = unsafe { &*symbols };
let symbol_names = symbols.iter()
.map(|symbol| {
let symbol: &Symbol = unsafe { &**symbol };
match &symbol.action {
Action::Submit { text: Some(text), .. } => {
Some(