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Don't clobber virtual core pointer touches array length 

The VCP has its own touches array, don't overwrite it when the class is
copied from the SD to the master.

Reported-by: Chase Douglas <chase.douglas@canonical.com>
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 2012-02-13 16:00:47 -08:00
parent 03d32fe7a7
commit 8573b3519a
1 changed files with 13 additions and 5 deletions
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18
Xi/exevents.c
View File

@ -671,7 +671,7 @@ DeepCopyPointerClasses(DeviceIntPtr from, DeviceIntPtr to)
if (from->touch)
{
TouchPointInfoPtr tmp;
TouchClassPtr t, f;
if (!to->touch)
{
classes = to->unused_classes;
@ -692,10 +692,18 @@ DeepCopyPointerClasses(DeviceIntPtr from, DeviceIntPtr to)
} else
classes->touch = NULL;
}
tmp = to->touch->touches;
memcpy(to->touch, from->touch, sizeof(TouchClassRec));
to->touch->touches = tmp;
to->touch->sourceid = from->id;
t = to->touch;
f = from->touch;
t->sourceid = f->sourceid;
t->max_touches = f->max_touches;
t->mode = f->mode;
t->buttonsDown = f->buttonsDown;
t->state = f->state;
t->motionMask = f->motionMask;
/* to->touches and to->num_touches are separate on the master,
* don't copy */
} else if (to->touch)
{
ClassesPtr classes;