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gesture: Add GTK_PHASE_TARGET

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This phase is meant to run in the default widget handlers, as opposed
to externally as in the bubble/capture phase. This will be most usually
the expected phase for every controller replacing code in event handlers
in GTK+, just so invocation and triggering order is kept unaltered.
This commit is contained in:
Carlos Garnacho 2014-05-10 20:50:23 +02:00
parent 3d34f26a6a
commit 1c48cc253d
3 changed files with 10 additions and 7 deletions
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10
gtk/gtkenums.h
View File

@ -1060,8 +1060,11 @@ typedef enum
* to the event widget. This option should only be used on containers that
* might possibly handle events before their children do.
* @GTK_PHASE_BUBBLE: Events are delivered in the bubble phase. The bubble
* phase happens after the capture phase, runs from the event widget, up to
* the toplevel.
* phase happens after the capture phase, and before the default handlers
* are run. This phase runs from the event widget, up to the toplevel.
* @GTK_PHASE_TARGET: Events are delivered in the default widget event handlers,
* note that widget implementations must chain up on button, motion, touch and
* grab broken handlers for controllers in this phase to be run.
*
* Describes the stage at which events are fed into a #GtkEventController.
*
@ -1071,7 +1074,8 @@ typedef enum
{
GTK_PHASE_NONE,
GTK_PHASE_CAPTURE,
GTK_PHASE_BUBBLE
GTK_PHASE_BUBBLE,
GTK_PHASE_TARGET
} GtkPropagationPhase;
/**

2
gtk/gtkgesture.c
View File

@ -1530,7 +1530,7 @@ gtk_gesture_attach (GtkGesture *gesture,
GtkWidget *widget;
g_return_if_fail (GTK_IS_GESTURE (gesture));
g_return_if_fail (phase >= GTK_PHASE_NONE && phase <= GTK_PHASE_BUBBLE);
g_return_if_fail (phase >= GTK_PHASE_NONE && phase <= GTK_PHASE_TARGET);
widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
_gtk_widget_add_controller (widget, GTK_EVENT_CONTROLLER (gesture), phase);

5
gtk/gtkwidget.c
View File

@ -16700,8 +16700,7 @@ event_controller_grab_notify (GtkWidget *widget,
if (!grab_widget || grab_widget == widget)
return;
if (((data->phase == GTK_PHASE_NONE ||
data->phase == GTK_PHASE_BUBBLE) &&
if ((data->phase != GTK_PHASE_CAPTURE &&
!gtk_widget_is_ancestor (widget, grab_widget)) ||
(data->phase == GTK_PHASE_CAPTURE &&
!gtk_widget_is_ancestor (widget, grab_widget) &&
@ -16802,7 +16801,7 @@ _gtk_widget_add_controller (GtkWidget *widget,
g_return_if_fail (GTK_IS_EVENT_CONTROLLER (controller));
g_return_if_fail (widget == gtk_event_controller_get_widget (controller));
g_return_if_fail (!_gtk_widget_has_controller (widget, controller));
g_return_if_fail (phase >= GTK_PHASE_NONE && phase <= GTK_PHASE_BUBBLE);
g_return_if_fail (phase >= GTK_PHASE_NONE && phase <= GTK_PHASE_TARGET);
priv = widget->priv;
data = _gtk_widget_has_controller (widget, controller);