diff options
| -rw-r--r-- | ui/widgets/mouse.js | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/ui/widgets/mouse.js b/ui/widgets/mouse.js index 30e5d35eb..c14aebe53 100644 --- a/ui/widgets/mouse.js +++ b/ui/widgets/mouse.js @@ -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(); }, |