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fix(ime): resync textarea position on composition start

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sergiochan
2026-03-10 19:36:17 -07:00
parent 89980fc565
commit 9e1b89651a
1 changed files with 8 additions and 1 deletions
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src/browser/CoreBrowserTerminal.ts
+8 -1
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@@ -414,7 +414,14 @@ export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
this._register(addDisposableListener(this.textarea!, 'keyup', (ev: KeyboardEvent) => this._keyUp(ev), true));
this._register(addDisposableListener(this.textarea!, 'keydown', (ev: KeyboardEvent) => this._keyDown(ev), true));
this._register(addDisposableListener(this.textarea!, 'keypress', (ev: KeyboardEvent) => this._keyPress(ev), true));
this._register(addDisposableListener(this.textarea!, 'compositionstart', () => this._compositionHelper!.compositionstart()));
this._register(addDisposableListener(this.textarea!, 'compositionstart', () => {
// Ensure the textarea is synced to the latest cursor location before composition begins.
// Some prompt UIs briefly draw helper text and then restore the cursor without triggering a
// new key event, which can leave IME anchoring stale until the first render tick.
this._syncTextArea();
this._compositionHelper!.compositionstart();
this._compositionHelper!.updateCompositionElements();
}));
this._register(addDisposableListener(this.textarea!, 'compositionupdate', (e: CompositionEvent) => this._compositionHelper!.compositionupdate(e)));
this._register(addDisposableListener(this.textarea!, 'compositionend', () => this._compositionHelper!.compositionend()));
this._register(addDisposableListener(this.textarea!, 'input', (ev: InputEvent) => this._inputEvent(ev), true));