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Xi: deduplicate button motion mask setting 

No functional changes

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Chase Douglas <chase.douglas@canonical.com>
This commit is contained in:
Peter Hutterer 2011-12-06 11:40:33 +10:00
parent 6eff14a789
commit e0f37250ff
1 changed files with 25 additions and 12 deletions
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37
Xi/exevents.c
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@ -703,6 +703,29 @@ ChangeMasterDeviceClasses(DeviceIntPtr device, DeviceChangedEvent *dce)
XISendDeviceChangedEvent(device, dce);
}
/**
* Add state and motionMask to the filter for this event. The protocol
* supports some extra masks for motion when a button is down:
* ButtonXMotionMask and the DeviceButtonMotionMask to trigger only when at
* least one button (or that specific button is down). These masks need to
* be added to the filters for core/XI motion events.
*
* @param device The device to update the mask for
* @param state The current button state mask
* @param motion_mask The motion mask (DeviceButtonMotionMask or 0)
*/
static void
UpdateDeviceMotionMask(DeviceIntPtr device, unsigned short state,
Mask motion_mask)
{
Mask mask;
mask = DevicePointerMotionMask | state | motion_mask;
SetMaskForEvent(device->id, mask, DeviceMotionNotify);
mask = PointerMotionMask | state | motion_mask;
SetMaskForEvent(device->id, mask, MotionNotify);
}
/**
* Update the device state according to the data in the event.
*
@ -801,7 +824,6 @@ UpdateDeviceState(DeviceIntPtr device, DeviceEvent* event)
device->valuator->motionHintWindow = NullWindow;
set_key_up(device, key, KEY_PROCESSED);
} else if (event->type == ET_ButtonPress) {
Mask mask;
if (!b)
return DONT_PROCESS;
@ -818,13 +840,8 @@ UpdateDeviceState(DeviceIntPtr device, DeviceEvent* event)
if (b->map[key] <= 5)
b->state |= (Button1Mask >> 1) << b->map[key];
/* Add state and motionMask to the filter for this event */
mask = DevicePointerMotionMask | b->state | b->motionMask;
SetMaskForEvent(device->id, mask, DeviceMotionNotify);
mask = PointerMotionMask | b->state | b->motionMask;
SetMaskForEvent(device->id, mask, MotionNotify);
UpdateDeviceMotionMask(device, b->state, b->motionMask);
} else if (event->type == ET_ButtonRelease) {
Mask mask;
if (!b)
return DONT_PROCESS;
@ -859,11 +876,7 @@ UpdateDeviceState(DeviceIntPtr device, DeviceEvent* event)
if (b->map[key] <= 5)
b->state &= ~((Button1Mask >> 1) << b->map[key]);
/* Add state and motionMask to the filter for this event */
mask = DevicePointerMotionMask | b->state | b->motionMask;
SetMaskForEvent(device->id, mask, DeviceMotionNotify);
mask = PointerMotionMask | b->state | b->motionMask;
SetMaskForEvent(device->id, mask, MotionNotify);
UpdateDeviceMotionMask(device, b->state, b->motionMask);
} else if (event->type == ET_ProximityIn)
device->proximity->in_proximity = TRUE;
else if (event->type == ET_ProximityOut)