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device: Motion events compression should honour the device

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The motion event compression should be affected by the device field of
the event; that is: we should compress motion events coming from the
same device.
This commit is contained in:
Emmanuele Bassi 2010-02-22 11:34:04 +00:00
parent 5ed4732737
commit 1466965773
1 changed files with 22 additions and 7 deletions
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29
clutter/clutter-stage.c
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@ -530,21 +530,36 @@ _clutter_stage_process_queued_events (ClutterStage *stage)
{ {
ClutterEvent *event; ClutterEvent *event;
ClutterEvent *next_event; ClutterEvent *next_event;
ClutterInputDevice *device;
ClutterInputDevice *next_device;
gboolean check_device = FALSE;
event = l->data; event = l->data;
next_event = l->next ? l->next->data : NULL; next_event = l->next ? l->next->data : NULL;
/* Skip consecutive motion events */ device = clutter_event_get_device (event);
if (next_event != NULL)
next_device = clutter_event_get_device (next_event);
else
next_device = NULL;
if (device != NULL && next_device != NULL)
check_device = TRUE;
/* Skip consecutive motion events coming from the same device */
if (priv->throttle_motion_events && if (priv->throttle_motion_events &&
next_event && next_event != NULL &&
event->type == CLUTTER_MOTION && event->type == CLUTTER_MOTION &&
(next_event->type == CLUTTER_MOTION || (next_event->type == CLUTTER_MOTION ||
next_event->type == CLUTTER_LEAVE)) next_event->type == CLUTTER_LEAVE) &&
(!check_device || (device == next_device)))
{ {
CLUTTER_NOTE (EVENT, CLUTTER_NOTE (EVENT,
"Omitting motion event at %.2f, %.2f", "Omitting motion event at %d, %d",
event->motion.x, event->motion.y); (int) event->motion.x,
goto next_event; (int) event->motion.y);
goto next_event;
} }
_clutter_process_event (event); _clutter_process_event (event);