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Mouse: Ignore mousemove events triggered by key presses in Safari

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If the user presses control, meta, shift, or alt during a drag operation,
Safari will trigger an event where `event.which` is `0`. We use that scenario
to detect that a `mouseup` occurred in a different document, so we need to
ignore these events when one of the keys are pressed.

Fixes #14461
Closes gh-1620
This commit is contained in:
Scott González 2015-10-17 17:53:15 -04:00
parent 60fa118955
commit 17b5386e8c
1 changed files with 11 additions and 1 deletions
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12
ui/widgets/mouse.js
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@ -146,7 +146,16 @@ return $.widget( "ui.mouse", {
// Iframe mouseup check - mouseup occurred in another document
} else if ( !event.which ) {
return this._mouseUp( event );
// Support: Safari <=8 - 9
// Safari sets which to 0 if you press any of the following keys
// during a drag (#14461)
if ( event.originalEvent.altKey || event.originalEvent.ctrlKey ||
event.originalEvent.metaKey || event.originalEvent.shiftKey ) {
this.ignoreMissingWhich = true;
} else if ( !this.ignoreMissingWhich ) {
return this._mouseUp( event );
}
}
}
@ -188,6 +197,7 @@ return $.widget( "ui.mouse", {
delete this._mouseDelayTimer;
}
this.ignoreMissingWhich = false;
mouseHandled = false;
event.preventDefault();
},