[Bug 31702] Mouselook (raw input) is bound to a box every other click in Guild Wars 2

http://bugs.winehq.org/show_bug.cgi?id=31702

--- Comment #24 from Henri Verbeet  2012-09-23 12:38:12 CDT ---
(In reply to comment #22)
> Now it gets interesting: A clipping reset operation seems to be triggered when
> pressing or releasing a mouse button. Thus, "1000" is the number of
> milliseconds that must have passed after releasing a mouse button that was
> pressed in order to trigger raw input, before grab_clipping_window can be
> called again by pressing the mouse button once more.

What causes the WM_X11DRV_CLIP_CURSOR? Is it the application changing the
cursor clipping rect with ClipCursor()?