gtk2/gtk/gtkeventcontrollerprivate.h
Matthias Clasen cd601ffb9e eventcontroller: Make the target widget available
Make it possible for event controllers to obtain
the target widget during handle_event.
2020-02-21 00:51:02 -05:00

62 lines
2.1 KiB
C

/* GTK - The GIMP Toolkit
* Copyright (C) 2012, One Laptop Per Child.
* Copyright (C) 2014, Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Author(s): Carlos Garnacho <carlosg@gnome.org>
*/
#ifndef __GTK_EVENT_CONTROLLER_PRIVATE_H__
#define __GTK_EVENT_CONTROLLER_PRIVATE_H__
#include "gtkeventcontroller.h"
struct _GtkEventController
{
GObject parent_instance;
};
struct _GtkEventControllerClass
{
GObjectClass parent_class;
void (* set_widget) (GtkEventController *controller,
GtkWidget *widget);
void (* unset_widget) (GtkEventController *controller);
gboolean (* handle_event) (GtkEventController *controller,
const GdkEvent *event,
double x,
double y);
void (* reset) (GtkEventController *controller);
void (* handle_crossing) (GtkEventController *controller,
const GtkCrossingData *crossing,
double x,
double y);
/*<private>*/
/* Tells whether the event is filtered out, %TRUE makes
* the event unseen by the handle_event vfunc.
*/
gboolean (* filter_event) (GtkEventController *controller,
const GdkEvent *event);
gpointer padding[10];
};
GtkWidget *gtk_event_controller_get_target (GtkEventController *controller);
#endif /* __GTK_EVENT_CONTROLLER_PRIVATE_H__ */