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a7d989d335
If a device is frozen in results to a grab, we need to enqueue the events. This makes things complicated, and hard to follow since touch events are now replayed in the history, pushed into EnqueueEvent, then replayed later during PlayReleasedEvents in response to an XAllowEvents. While the device is frozen, no touch events are processed, so if there is a touch client with ownership mask _below_ the grab this will delay the delivery and potentially screw gesture recognition. However, this is the behaviour we have already anyway if the top-most client is a sync pgrab or there is a sync grab active on the device when the TouchBegin was generated. (also note, such a client would only reliably work in case of ReplayPointer anyway) Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
X Server
The X server accepts requests from client applications to create windows,
which are (normally rectangular) "virtual screens" that the client program
can draw into.
Windows are then composed on the actual screen by the X server
(or by a separate composite manager) as directed by the window manager,
which usually communicates with the user via graphical controls such as buttons
and draggable titlebars and borders.
For a comprehensive overview of X Server and X Window System, consult the
following article:
http://en.wikipedia.org/wiki/X_server
All questions regarding this software should be directed at the
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http://cgit.freedesktop.org/xorg/xserver
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