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widget: Ensure all gestures outside a grab scope are cancelled

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This code is a product of early stages in the gestures branch, where
capturing would have an effect outside grab boundaries. But this isn't
really the case, so every gesture outside the grab scope must be reset
to avoid keeping stale data.
This commit is contained in:
Carlos Garnacho 2014-06-03 15:04:25 +02:00
parent 93f72985bf
commit 25f5da5018
1 changed files with 5 additions and 30 deletions
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35
gtk/gtkwidget.c
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@ -16887,40 +16887,15 @@ event_controller_grab_notify (GtkWidget *widget,
gboolean was_grabbed,
EventControllerData *data)
{
GtkWidget *grab_widget, *toplevel;
GtkPropagationPhase phase;
GtkWindowGroup *group;
GdkDevice *device;
GdkDevice *device = NULL;
device = gtk_gesture_get_device (GTK_GESTURE (data->controller));
phase = gtk_event_controller_get_propagation_phase (data->controller);
if (GTK_IS_GESTURE (data->controller))
device = gtk_gesture_get_device (GTK_GESTURE (data->controller));
if (!device)
if (!device || !gtk_widget_device_is_shadowed (widget, device))
return;
toplevel = gtk_widget_get_toplevel (widget);
if (GTK_IS_WINDOW (toplevel))
group = gtk_window_get_group (GTK_WINDOW (toplevel));
else
group = gtk_window_get_group (NULL);
grab_widget = gtk_window_group_get_current_device_grab (group, device);
if (!grab_widget)
grab_widget = gtk_window_group_get_current_grab (group);
if (!grab_widget || grab_widget == widget)
return;
if ((phase != GTK_PHASE_CAPTURE &&
!gtk_widget_is_ancestor (widget, grab_widget)) ||
(phase == GTK_PHASE_CAPTURE &&
!gtk_widget_is_ancestor (widget, grab_widget) &&
!gtk_widget_is_ancestor (grab_widget, widget)))
{
gtk_event_controller_reset (data->controller);
}
gtk_event_controller_reset (data->controller);
}
static void