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events: Deliver touch events that continue off stage (soft grab)

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If a button press happen on stage and the pointer is moved outside
the stage while holding the mouse button, the motion and release
events are still delivered to actors. Do the same X11 soft grab
emulation for touch events.

https://bugzilla.gnome.org/show_bug.cgi?id=685589
This commit is contained in:
Emanuele Aina 2012-10-05 14:34:20 +02:00
parent cb4620d14f
commit 318d0d5965
1 changed files with 21 additions and 0 deletions
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21
clutter/clutter-main.c
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@ -2700,6 +2700,27 @@ _clutter_process_event_details (ClutterActor *stage,
*/
if (event->any.source == NULL)
{
/* same as the mouse events above, emulate the X11 implicit
* soft grab */
if (is_off_stage (stage, x, y))
{
CLUTTER_NOTE (EVENT,
"Touch %s off stage received at %.2f, %.2f",
event->type == CLUTTER_TOUCH_UPDATE ? "Touch update" :
event->type == CLUTTER_TOUCH_END ? "Touch end" :
event->type == CLUTTER_TOUCH_CANCEL ? "Touch cancel" :
"?", x, y);
event->button.source = stage;
emit_touch_event (event, device);
if (event->type == CLUTTER_TOUCH_END)
_clutter_input_device_remove_event_sequence (device, event);
break;
}
if (device != NULL)
actor = _clutter_input_device_update (device, sequence, TRUE);
else