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dix: improve code flow in TryClientEvents, better debugging messages. 

Instead of a massive if (blah && blah), return early where possible.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Daniel Stone 2009-08-21 15:15:41 +10:00 committed by Peter Hutterer
parent 6fb01c8286
commit 3d988e01e4
1 changed files with 69 additions and 55 deletions
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124
dix/events.c
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@ -1891,70 +1891,84 @@ TryClientEvents (ClientPtr client, DeviceIntPtr dev, xEvent *pEvents,
int type;
#ifdef DEBUG_EVENTS
ErrorF("[dix] Event([%d, %d], mask=0x%x), client=%d",
pEvents->u.u.type, pEvents->u.u.detail, mask, client->index);
ErrorF("[dix] Event([%d, %d], mask=0x%lx), client=%d%s",
pEvents->u.u.type, pEvents->u.u.detail, mask,
client ? client->index : -1,
(client && client->clientGone) ? " (gone)" : "");
#endif
if ((client) && (client != serverClient) && (!client->clientGone) &&
((filter == CantBeFiltered) || (mask & filter)))
if (!client || client == serverClient || client->clientGone) {
#ifdef DEBUG_EVENTS
ErrorF(" not delivered to fake/dead client\n");
#endif
return 0;
}
if (filter != CantBeFiltered && !(mask & filter))
{
if (grab && !SameClient(grab, client))
return -1; /* don't send, but notify caller */
type = pEvents->u.u.type;
if (type == MotionNotify)
{
if (mask & PointerMotionHintMask)
{
if (WID(dev->valuator->motionHintWindow) ==
pEvents->u.keyButtonPointer.event)
{
#ifdef DEBUG_EVENTS
ErrorF("[dix] \n");
ErrorF("[dix] motionHintWindow == keyButtonPointer.event\n");
#endif
return 1; /* don't send, but pretend we did */
}
pEvents->u.u.detail = NotifyHint;
}
else
{
pEvents->u.u.detail = NotifyNormal;
}
}
else
{
if ((type == DeviceMotionNotify) &&
MaybeSendDeviceMotionNotifyHint
((deviceKeyButtonPointer*)pEvents, mask) != 0)
return 1;
}
type &= 0177;
if (type != KeymapNotify)
{
/* all extension events must have a sequence number */
for (i = 0; i < count; i++)
pEvents[i].u.u.sequenceNumber = client->sequence;
}
#ifdef DEBUG_EVENTS
ErrorF(" filtered\n");
#endif
return 0;
}
if (BitIsOn(criticalEvents, type))
{
if (client->smart_priority < SMART_MAX_PRIORITY)
client->smart_priority++;
SetCriticalOutputPending();
}
WriteEventsToClient(client, count, pEvents);
if (grab && !SameClient(grab, client))
{
#ifdef DEBUG_EVENTS
ErrorF("[dix] delivered\n");
ErrorF(" not delivered due to grab\n");
#endif
return 1;
return -1; /* don't send, but notify caller */
}
type = pEvents->u.u.type;
if (type == MotionNotify)
{
if (mask & PointerMotionHintMask)
{
if (WID(dev->valuator->motionHintWindow) ==
pEvents->u.keyButtonPointer.event)
{
#ifdef DEBUG_EVENTS
ErrorF("[dix] \n");
ErrorF("[dix] motionHintWindow == keyButtonPointer.event\n");
#endif
return 1; /* don't send, but pretend we did */
}
pEvents->u.u.detail = NotifyHint;
}
else
{
pEvents->u.u.detail = NotifyNormal;
}
}
else
{
#ifdef DEBUG_EVENTS
ErrorF("[dix] \n");
#endif
return 0;
if ((type == DeviceMotionNotify) &&
MaybeSendDeviceMotionNotifyHint
((deviceKeyButtonPointer*)pEvents, mask) != 0)
return 1;
}
type &= 0177;
if (type != KeymapNotify)
{
/* all extension events must have a sequence number */
for (i = 0; i < count; i++)
pEvents[i].u.u.sequenceNumber = client->sequence;
}
if (BitIsOn(criticalEvents, type))
{
if (client->smart_priority < SMART_MAX_PRIORITY)
client->smart_priority++;
SetCriticalOutputPending();
}
WriteEventsToClient(client, count, pEvents);
#ifdef DEBUG_EVENTS
ErrorF("[dix] delivered\n");
#endif
return 1;
}
/**