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gesture: cancel all ongoing sequences on reset()

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This commit is contained in:
Carlos Garnacho 2014-03-21 17:31:19 +01:00
parent d2c9b9c2aa
commit b7435a0290
1 changed files with 43 additions and 5 deletions
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48
gtk/gtkgesture.c
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@ -293,6 +293,20 @@ _gtk_gesture_update_point (GtkGesture *gesture,
return TRUE;
}
static void
_gtk_gesture_check_empty (GtkGesture *gesture)
{
GtkGesturePrivate *priv;
priv = gtk_gesture_get_instance_private (gesture);
if (g_hash_table_size (priv->points) == 0)
{
priv->window = NULL;
priv->device = NULL;
}
}
static void
_gtk_gesture_remove_point (GtkGesture *gesture,
const GdkEvent *event)
@ -305,14 +319,31 @@ _gtk_gesture_remove_point (GtkGesture *gesture,
device = gdk_event_get_device (event);
priv = gtk_gesture_get_instance_private (gesture);
g_hash_table_remove (priv->points, sequence);
if (priv->device != device)
return;
if (device == priv->device &&
g_hash_table_size (priv->points) == 0)
g_hash_table_remove (priv->points, sequence);
_gtk_gesture_check_empty (gesture);
}
static void
_gtk_gesture_cancel_all (GtkGesture *gesture)
{
GdkEventSequence *sequence;
GtkGesturePrivate *priv;
GHashTableIter iter;
priv = gtk_gesture_get_instance_private (gesture);
g_hash_table_iter_init (&iter, priv->points);
while (g_hash_table_iter_next (&iter, (gpointer*) &sequence, NULL))
{
priv->window = NULL;
priv->device = NULL;
g_signal_emit (gesture, signals[CANCEL], 0, sequence);
g_hash_table_iter_remove (&iter);
_gtk_gesture_check_recognized (gesture, sequence);
}
_gtk_gesture_check_empty (gesture);
}
static gboolean
@ -385,6 +416,12 @@ gtk_gesture_handle_event (GtkEventController *controller,
return priv->recognized;
}
static void
gtk_gesture_reset (GtkEventController *controller)
{
_gtk_gesture_cancel_all (GTK_GESTURE (controller));
}
static void
gtk_gesture_class_init (GtkGestureClass *klass)
{
@ -396,6 +433,7 @@ gtk_gesture_class_init (GtkGestureClass *klass)
object_class->finalize = gtk_gesture_finalize;
controller_class->handle_event = gtk_gesture_handle_event;
controller_class->reset = gtk_gesture_reset;
klass->check = gtk_gesture_check_impl;