dix: add comments to ComputeFreezes() and syncEvents struct.
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dix/events.c
21
dix/events.c
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@ -263,6 +263,24 @@ static int DontPropagateRefCnts[DNPMCOUNT];
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*/
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_X_EXPORT InputInfo inputInfo;
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/**
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* syncEvents is the global structure for queued events.
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* Devices can be frozen through GrabModeSync pointer grabs. If this is the
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* case, events from these devices are added to "pending" instead of being
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* processed normally. When the device is unfrozen, events in "pending" are
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* replayed and processed as if they would come from the device directly.
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*
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* pending ... list of queued events
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* pendtail ... last event in list
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* replayDev ... The device to replay events for. Only set in AllowEvents, in
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* which case it is set to the device specified in the request.
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* replayWin ... the window the events are supposed to be replayed on. This
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* window may be set to the grab's window (but only when
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* Replay{Pointer|Keyboard} is given in the XAllowEvents
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* request.
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* playingEvents ... flag to indicate whether we're in the process of
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* replaying events. Only set in ComputeFreezes().
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*/
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static struct {
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QdEventPtr pending, *pendtail;
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DeviceIntPtr replayDev; /* kludgy rock to put flag for */
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@ -1430,6 +1448,9 @@ CheckGrabForSyncs(DeviceIntPtr thisDev, Bool thisMode, Bool otherMode)
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CLIENT_BITS(grab->resource)))
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thisDev->deviceGrab.sync.other = NullGrab;
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}
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/* XXX: other should only work on the paired keyboard, not on all other
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devices
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*/
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for (dev = inputInfo.devices; dev; dev = dev->next)
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{
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if (dev != thisDev)
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