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wayland: double-buffer ime events

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refs: #1772
This commit is contained in:
Wez Furlong 2022-07-10 06:52:21 -07:00
parent 607287935f
commit f11b240a1c
1 changed files with 24 additions and 10 deletions
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34
window/src/os/wayland/inputhandler.rs
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@ -15,36 +15,48 @@ use wayland_protocols::unstable::text_input::v3::client::zwp_text_input_v3::{
Event, ZwpTextInputV3,
};
#[derive(Default, Debug)]
struct PendingState {
pre_edit: Option<String>,
commit: Option<String>,
}
#[derive(Debug, Default)]
struct Inner {
input_by_seat: HashMap<u32, Attached<ZwpTextInputV3>>,
keyboard_to_seat: HashMap<u32, u32>,
surface_to_keyboard: HashMap<u32, u32>,
pending_state: HashMap<u32, PendingState>,
}
impl Inner {
fn handle_event(
&mut self,
_input: Main<ZwpTextInputV3>,
input: Main<ZwpTextInputV3>,
event: Event,
_ddata: DispatchData,
_inner: &Arc<Mutex<Self>>,
) {
log::trace!("{event:?}");
let conn = WaylandConnection::get().unwrap().wayland();
let mut pending_state = self.pending_state.entry(wl_id(&**input)).or_default();
match event {
Event::PreeditString {
text,
cursor_begin: _,
cursor_end: _,
} => {
conn.dispatch_to_focused_window(WindowEvent::AdviseDeadKeyStatus(match text {
Some(text) => DeadKeyStatus::Composing(text),
None => DeadKeyStatus::None,
}));
pending_state.pre_edit = text;
}
Event::CommitString { text } => {
if let Some(text) = text {
pending_state.commit = text;
conn.dispatch_to_focused_window(WindowEvent::AdviseDeadKeyStatus(
DeadKeyStatus::None,
));
}
Event::Done { serial } => {
*conn.last_serial.borrow_mut() = serial;
if let Some(text) = pending_state.commit.take() {
conn.dispatch_to_focused_window(WindowEvent::KeyEvent(KeyEvent {
key: KeyCode::composed(&text),
modifiers: Modifiers::NONE,
@ -53,11 +65,13 @@ impl Inner {
raw: None,
}));
}
conn.dispatch_to_focused_window(WindowEvent::AdviseDeadKeyStatus(
DeadKeyStatus::None,
));
let status = if let Some(text) = pending_state.pre_edit.take() {
DeadKeyStatus::Composing(text)
} else {
DeadKeyStatus::None
};
conn.dispatch_to_focused_window(WindowEvent::AdviseDeadKeyStatus(status));
}
Event::Done { serial: _ } => {}
_ => {}
}
}