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xkb: if the button isn't down, don't fake an event.

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If the button we're about to fake isn't down (or up), don't fake a release
(or press) event for it. Behaviour is the same as before, this just saves
a few cycles.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Peter Hutterer 2010-07-23 13:24:34 +10:00
parent 651c36e95e
commit 1a172f3297
1 changed files with 5 additions and 0 deletions
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5
xkb/xkbActions.c
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@ -1410,6 +1410,7 @@ void
XkbFakeDeviceButton(DeviceIntPtr dev,Bool press,int button)
{
DeviceIntPtr ptr;
int down;
/* If dev is a slave device, and the SD is attached, do nothing. If we'd
* post through the attached master pointer we'd get duplicate events.
@ -1427,6 +1428,10 @@ XkbFakeDeviceButton(DeviceIntPtr dev,Bool press,int button)
else
return;
down = button_is_down(ptr, button, BUTTON_PROCESSED);
if (press == down)
return;
InjectPointerKeyEvents(dev, press ? ButtonPress : ButtonRelease,
button, 0, 0, NULL);
}