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dix: clear up an overly convoluted if statement.

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No functional changes, just improves readability. This statement had things
added to/removed from it for a few server releases while the input event
queue was revamped. What made sense once is now mainly confusing.

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 2010-12-08 14:02:17 +10:00
parent 2c70b650b3
commit aba8133c9c
1 changed files with 18 additions and 10 deletions
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28
dix/getevents.c
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@ -1104,18 +1104,26 @@ GetPointerEvents(EventList *events, DeviceIntPtr pDev, int type, int buttons,
if (!pDev->enabled)
return 0;
if (!scr || !pDev->valuator)
return 0;
switch (type)
{
case MotionNotify:
if (!mask_in || valuator_mask_num_valuators(mask_in) <= 0)
return 0;
break;
case ButtonPress:
case ButtonRelease:
if (!pDev->button || !buttons)
return 0;
break;
default:
return 0;
}
ms = GetTimeInMillis(); /* before pointer update to help precision */
if (!scr || !pDev->valuator ||
(type != MotionNotify && type != ButtonPress && type != ButtonRelease) ||
(type != MotionNotify && !pDev->button) ||
((type == ButtonPress || type == ButtonRelease) && !buttons))
return 0;
if (type == MotionNotify &&
(!mask_in || valuator_mask_num_valuators(mask_in) <= 0))
return 0;
events = UpdateFromMaster(events, pDev, DEVCHANGE_POINTER_EVENT, &num_events);
raw = (RawDeviceEvent*)events->event;