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dix: always send focus event on grab change 

Focus events are useless when 'from' and 'to' are the same.  But when
this is the result of a (Un)GrabKeyboard request, we should always send
them, including when the window manager had previously used XSetInputFocus
to specify the focus on a window which happens to be now taking a grab.

This is notably needed for window manager using XI to always get keyboard
events even during grabs, so they can determine exactly when grabbing is
active.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Samuel Thibault 2018-04-09 14:35:30 +02:00 committed by Adam Jackson
parent 14be894b3f
commit c67f2eac56
1 changed files with 1 additions and 1 deletions
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2
dix/enterleave.c
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@ -1562,7 +1562,7 @@ DoFocusEvents(DeviceIntPtr pDev, WindowPtr from, WindowPtr to, int mode)
if (!IsKeyboardDevice(pDev)) if (!IsKeyboardDevice(pDev))
return; return;
if (from == to) if (from == to && mode != NotifyGrab && mode != NotifyUngrab)
return; return;
CoreFocusEvents(pDev, from, to, mode); CoreFocusEvents(pDev, from, to, mode);