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inputMethod: Check return value when letting IM handle virtual keys

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When propagating keys from the OSK, we usually feed these directly to
the IBusInputContext and let the IM handle the effects of this virtual
key event (which may also include feeding a key event back to us).

But these functions may also return a FALSE value if the key was "let
through" by the IM, which means the ball is in our yard again, and
we are responsible of letting this event get to its destination.

If that happens, just fall through, so the string is committed to
the client as an UTF-8 string, or propagated through keyboard events.

Closes: https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/5930
Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2508>
This commit is contained in:
Carlos Garnacho 2022-10-11 18:24:15 +02:00 committed by Marge Bot
parent 766314acb2
commit 76090c14eb
2 changed files with 17 additions and 8 deletions
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19
js/misc/inputMethod.js
View File

@ -7,6 +7,8 @@ const Main = imports.ui.main;
Gio._promisify(IBus.Bus.prototype,
'create_input_context_async', 'create_input_context_async_finish');
Gio._promisify(IBus.InputContext.prototype,
'process_key_event_async', 'process_key_event_async_finish');
var HIDE_PANEL_TIME = 50;
@ -332,10 +334,17 @@ var InputMethod = GObject.registerClass({
return this._preeditVisible && this._preeditStr !== '' && this._preeditStr !== null;
}
handleVirtualKey(keyval) {
this._context.process_key_event_async(
keyval, 0, 0, -1, null, null);
this._context.process_key_event_async(
keyval, 0, IBus.ModifierType.RELEASE_MASK, -1, null, null);
async handleVirtualKey(keyval) {
try {
if (!await this._context.process_key_event_async(
keyval, 0, 0, -1, null))
return false;
await this._context.process_key_event_async(
keyval, 0, IBus.ModifierType.RELEASE_MASK, -1, null);
return true;
} catch (e) {
return false;
}
}
});

4
js/ui/keyboard.js
View File

@ -1569,10 +1569,10 @@ var Keyboard = GObject.registerClass({
}
}
_commitAction(keyval, str) {
async _commitAction(keyval, str) {
if (this._modifiers.size === 0 && str !== '' &&
keyval && this._oskCompletionEnabled) {
Main.inputMethod.handleVirtualKey(keyval);
if (await Main.inputMethod.handleVirtualKey(keyval))
return;
}