andreacavalli/xserver-multidpi
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mi: duplicate event before processing it, so master has original values

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Event values may get changed in the event processing stage, so we need to
duplicate it to pump different events through for slave and master device.
This commit is contained in:
Peter Hutterer 2007-11-07 11:33:24 +10:30
parent 7ef863720d
commit 15944b8f02
1 changed files with 21 additions and 2 deletions
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23
mi/mieq.c
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@ -232,7 +232,8 @@ mieqProcessInputEvents(void)
{
EventRec *e = NULL;
int x = 0, y = 0;
xEvent* event;
xEvent* event,
*master_event;
while (miEventQueue.head != miEventQueue.tail) {
if (screenIsSaved == SCREEN_SAVER_ON)
@ -283,25 +284,43 @@ mieqProcessInputEvents(void)
* copy. Eventually the interface for the processInputProc needs
* to be changed. (whot)
*/
/* The event is changed during event processing, so we need to
* memcpy the event we have and pass the copy through for master
*/
if (e->nevents > 1)
{
int i;
event = xcalloc(e->nevents, sizeof(xEvent));
master_event = xcalloc(e->nevents, sizeof(xEvent));
if (!event || !master_event)
FatalError("[mi] No memory left for event processing.\n");
for (i = 0; i < e->nevents; i++)
{
memcpy(&event[i], e->events[i].event, sizeof(xEvent));
memcpy(&master_event[i], e->events[i].event, sizeof(xEvent));
}
}
else
{
int len = sizeof(xEvent);
event = e->events->event;
if (event->u.u.type == GenericEvent)
len += GEV(event)->length * 4;
master_event = xalloc(len);
if (!master_event)
FatalError("[mi] No memory left for master event.\n");
memcpy(master_event, event, len);
}
e->pDev->public.processInputProc(event, e->pDev, e->nevents);
if (!e->pDev->isMaster && e->pDev->u.master)
e->pDev->u.master->public.processInputProc(event,
e->pDev->u.master->public.processInputProc(master_event,
e->pDev->u.master, e->nevents);
if (e->nevents > 1)
xfree(event);
xfree(master_event);
}
/* Update the sprite now. Next event may be from different device. */