[Webkit-unassigned] [Bug 92589] Send NoPart as pressed to scrollbar when mouse is out of it.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=92589





--- Comment #3 from Carlos <carloschilazo at gmail.com>  2012-07-29 17:18:56 PST ---
@Eric:
With the mentioned steps in my first comment on the bug, the scrollbar can misbehave (move as if we were pressing it, even though we were not).

The cause was that when issuing another mouse click event outside the scrollbar while keeping the scrollbar pressed (like the mentioned steps to reproduce the bug), the selection on the scrollbar was not cleared.

The patch avoids this by clearing the pressed part of the scrollbar when ScrollableArea::mouseExitedScrollbar is called, avoiding the unexpected behavior mentioned.

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