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-rw-r--r--ext/js/language/text-scanner.js85
1 files changed, 73 insertions, 12 deletions
diff --git a/ext/js/language/text-scanner.js b/ext/js/language/text-scanner.js
index 4994faea..4dbd782b 100644
--- a/ext/js/language/text-scanner.js
+++ b/ext/js/language/text-scanner.js
@@ -71,6 +71,11 @@ class TextScanner extends EventDispatcher {
this._enabledValue = false;
this._eventListeners = new EventListenerCollection();
+ this._preventNextClickScan = false;
+ this._preventNextClickScanTimer = null;
+ this._preventNextClickScanTimerDuration = 50;
+ this._preventNextClickScanTimerCallback = this._onPreventNextClickScanTimeout.bind(this);
+
this._primaryTouchIdentifier = null;
this._preventNextContextMenu = false;
this._preventNextMouseDown = false;
@@ -350,6 +355,30 @@ class TextScanner extends EventDispatcher {
return results;
}
+ _resetPreventNextClickScan() {
+ this._preventNextClickScan = false;
+ if (this._preventNextClickScanTimer !== null) { clearTimeout(this._preventNextClickScanTimer); }
+ this._preventNextClickScanTimer = setTimeout(this._preventNextClickScanTimerCallback, this._preventNextClickScanTimerDuration);
+ }
+
+ _onPreventNextClickScanTimeout() {
+ this._preventNextClickScanTimer = null;
+ }
+
+ _onSelectionChange() {
+ if (this._preventNextClickScanTimer !== null) { return; } // Ignore deselection that occurs at the start of the click
+ this._preventNextClickScan = true;
+ }
+
+ _onSearchClickMouseDown(e) {
+ if (e.button !== 0) { return; }
+ this._resetPreventNextClickScan();
+ }
+
+ _onSearchClickTouchStart() {
+ this._resetPreventNextClickScan();
+ }
+
_onMouseOver(e) {
if (this._ignoreElements !== null && this._ignoreElements().includes(e.target)) {
this._scanTimerClear();
@@ -376,6 +405,7 @@ class TextScanner extends EventDispatcher {
switch (e.button) {
case 0: // Primary
+ if (this._searchOnClick) { this._resetPreventNextClickScan(); }
this._scanTimerClear();
this.clearSelection(false);
break;
@@ -394,19 +424,32 @@ class TextScanner extends EventDispatcher {
}
_onClick(e) {
- if (this._searchOnClick) {
- const modifiers = DocumentUtil.getActiveModifiersAndButtons(e);
- const modifierKeys = DocumentUtil.getActiveModifiers(e);
- const inputInfo = this._createInputInfo(null, 'mouse', 'click', false, modifiers, modifierKeys);
- this._searchAt(e.clientX, e.clientY, inputInfo);
- }
-
if (this._preventNextClick) {
this._preventNextClick = false;
e.preventDefault();
e.stopPropagation();
return false;
}
+
+ if (this._searchOnClick) {
+ this._onSearchClick(e);
+ }
+ }
+
+ _onSearchClick(e) {
+ const preventNextClickScan = this._preventNextClickScan;
+ this._preventNextClickScan = false;
+ if (this._preventNextClickScanTimer !== null) {
+ clearTimeout(this._preventNextClickScanTimer);
+ this._preventNextClickScanTimer = null;
+ }
+
+ if (preventNextClickScan) { return; }
+
+ const modifiers = DocumentUtil.getActiveModifiersAndButtons(e);
+ const modifierKeys = DocumentUtil.getActiveModifiers(e);
+ const inputInfo = this._createInputInfo(null, 'mouse', 'click', false, modifiers, modifierKeys);
+ this._searchAt(e.clientX, e.clientY, inputInfo);
}
_onAuxClick() {
@@ -687,6 +730,9 @@ class TextScanner extends EventDispatcher {
eventListenerInfos.push(...this._getTouchEventListeners());
}
}
+ if (this._searchOnClick) {
+ eventListenerInfos.push(...this._getMouseClickOnlyEventListeners2());
+ }
for (const args of eventListenerInfos) {
this._eventListeners.addEventListener(...args);
@@ -718,11 +764,6 @@ class TextScanner extends EventDispatcher {
];
}
- _getMouseClickOnlyEventListeners() {
- return [
- [this._node, 'click', this._onClick.bind(this)]
- ];
- }
_getTouchEventListeners() {
return [
[this._node, 'auxclick', this._onAuxClick.bind(this)],
@@ -734,6 +775,26 @@ class TextScanner extends EventDispatcher {
];
}
+ _getMouseClickOnlyEventListeners() {
+ return [
+ [this._node, 'click', this._onClick.bind(this)]
+ ];
+ }
+
+ _getMouseClickOnlyEventListeners2() {
+ const {documentElement} = document;
+ const entries = [
+ [document, 'selectionchange', this._onSelectionChange.bind(this)]
+ ];
+ if (documentElement !== null) {
+ entries.push([documentElement, 'mousedown', this._onSearchClickMouseDown.bind(this)]);
+ if (this._touchInputEnabled) {
+ entries.push([documentElement, 'touchstart', this._onSearchClickTouchStart.bind(this)]);
+ }
+ }
+ return entries;
+ }
+
_getTouch(touchList, identifier) {
for (const touch of touchList) {
if (touch.identifier === identifier) {