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Xi: XISetEventMask needs to clear the mask if len is 0 

zero-length masks are supposed to clear the device's mask.
ProcXISelectEvents passes these masks through directly, so we need to clear
the bits here if such a mask is supplied.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2009-06-11 13:23:40 +10:00
parent 22b4ac44e4
commit fcf0c0b8f3
1 changed files with 4 additions and 1 deletions
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3
Xi/exevents.c
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@ -2167,6 +2167,9 @@ XISetEventMask(DeviceIntPtr dev, WindowPtr win, ClientPtr client,
others= wOtherInputMasks(win)->inputClients; others= wOtherInputMasks(win)->inputClients;
} }
if (!len)
memset(others->xi2mask[dev->id], 0, sizeof(others->xi2mask[dev->id]));
else
memcpy(others->xi2mask[dev->id], mask, len); memcpy(others->xi2mask[dev->id], mask, len);
RecalculateDeviceDeliverableEvents(win); RecalculateDeviceDeliverableEvents(win);