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gtkgesture: Filter out touchpad events by default.

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The gestures that don't want touchpad gesture events are majority,
even those that want such events will only listen to subsets (eg.
pinch, swipe,...).

So it makes sense to ignore touchpad events by default, and let
subclasses opt those in.
This commit is contained in:
Carlos Garnacho 2015-07-09 19:04:59 +02:00
parent 8b1c9c0687
commit 97e67e21a1
1 changed files with 16 additions and 0 deletions
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16
gtk/gtkgesture.c
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@ -158,6 +158,9 @@ static guint signals[N_SIGNALS] = { 0 };
#define BUTTONS_MASK (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK | GDK_BUTTON3_MASK)
#define EVENT_IS_TOUCHPAD_GESTURE(e) ((e)->type == GDK_TOUCHPAD_SWIPE || \
(e)->type == GDK_TOUCHPAD_PINCH)
GList * _gtk_gesture_get_group_link (GtkGesture *gesture);
G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (GtkGesture, gtk_gesture, GTK_TYPE_EVENT_CONTROLLER)
@ -561,6 +564,18 @@ gesture_within_window (GtkGesture *gesture,
return FALSE;
}
static gboolean
gtk_gesture_filter_event (GtkEventController *controller,
const GdkEvent *event)
{
/* Even though GtkGesture handles these events, we want
* touchpad gestures disabled by default, it will be
* subclasses which punch the holes in for the events
* they can possibly handle.
*/
return EVENT_IS_TOUCHPAD_GESTURE (event);
}
static gboolean
gtk_gesture_handle_event (GtkEventController *controller,
const GdkEvent *event)
@ -681,6 +696,7 @@ gtk_gesture_class_init (GtkGestureClass *klass)
object_class->set_property = gtk_gesture_set_property;
object_class->finalize = gtk_gesture_finalize;
controller_class->filter_event = gtk_gesture_filter_event;
controller_class->handle_event = gtk_gesture_handle_event;
controller_class->reset = gtk_gesture_reset;