diff options
Diffstat (limited to 'ui/mouse.js')
| -rw-r--r-- | ui/mouse.js | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/ui/mouse.js b/ui/mouse.js index ecfc748af..0ac9acb6c 100644 --- a/ui/mouse.js +++ b/ui/mouse.js @@ -70,6 +70,8 @@ return $.widget("ui.mouse", { return; } + this._mouseMoved = false; + // we may have missed mouseup (out of window) (this._mouseStarted && this._mouseUp(event)); @@ -123,13 +125,23 @@ return $.widget("ui.mouse", { }, _mouseMove: function(event) { - // IE mouseup check - mouseup happened when mouse was out of window - if ($.ui.ie && ( !document.documentMode || document.documentMode < 9 ) && !event.button) { - return this._mouseUp(event); + // Only check for mouseups outside the document if you've moved inside the document + // at least once. This prevents the firing of mouseup in the case of IE<9, which will + // fire a mousemove event if content is placed under the cursor. See #7778 + // Support: IE <9 + if ( this._mouseMoved ) { + // IE mouseup check - mouseup happened when mouse was out of window + if ($.ui.ie && ( !document.documentMode || document.documentMode < 9 ) && !event.button) { + return this._mouseUp(event); + + // Iframe mouseup check - mouseup occurred in another document + } else if ( !event.which ) { + return this._mouseUp( event ); + } + } - // Iframe mouseup check - mouseup occurred in another document - } else if ( !event.which ) { - return this._mouseUp( event ); + if ( event.which || event.button ) { + this._mouseMoved = true; } if (this._mouseStarted) { |