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Interrupt AltGr sequence detection on focus lost, fixes #1880

This commit is contained in:
leedagee 2024-08-01 01:31:47 +08:00
parent 1230a4ce73
commit 6c07136169
1 changed files with 12 additions and 10 deletions
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22
core/input/keyboard.js
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@ -203,7 +203,7 @@ export default class Keyboard {
if ((code === "ControlLeft") && browser.isWindows() && if ((code === "ControlLeft") && browser.isWindows() &&
!("ControlLeft" in this._keyDownList)) { !("ControlLeft" in this._keyDownList)) {
this._altGrArmed = true; this._altGrArmed = true;
this._altGrTimeout = setTimeout(this._handleAltGrTimeout.bind(this), 100); this._altGrTimeout = setTimeout(this._interruptAltGrSequence.bind(this), 100);
this._altGrCtrlTime = e.timeStamp; this._altGrCtrlTime = e.timeStamp;
return; return;
} }
@ -218,11 +218,7 @@ export default class Keyboard {
// We can't get a release in the middle of an AltGr sequence, so // We can't get a release in the middle of an AltGr sequence, so
// abort that detection // abort that detection
if (this._altGrArmed) { this._interruptAltGrSequence();
this._altGrArmed = false;
clearTimeout(this._altGrTimeout);
this._sendKeyEvent(KeyTable.XK_Control_L, "ControlLeft", true);
}
// See comment in _handleKeyDown() // See comment in _handleKeyDown()
if ((browser.isMac() || browser.isIOS()) && (code === 'CapsLock')) { if ((browser.isMac() || browser.isIOS()) && (code === 'CapsLock')) {
@ -249,14 +245,20 @@ export default class Keyboard {
} }
} }
_handleAltGrTimeout() { _interruptAltGrSequence() {
this._altGrArmed = false; if (this._altGrArmed) {
clearTimeout(this._altGrTimeout); this._altGrArmed = false;
this._sendKeyEvent(KeyTable.XK_Control_L, "ControlLeft", true); clearTimeout(this._altGrTimeout);
this._sendKeyEvent(KeyTable.XK_Control_L, "ControlLeft", true);
}
} }
_allKeysUp() { _allKeysUp() {
Log.Debug(">> Keyboard.allKeysUp"); Log.Debug(">> Keyboard.allKeysUp");
// Prevent control key being processed after losing focus.
this._interruptAltGrSequence();
for (let code in this._keyDownList) { for (let code in this._keyDownList) {
this._sendKeyEvent(this._keyDownList[code], code, false); this._sendKeyEvent(this._keyDownList[code], code, false);
} }