1/* GTK - The GIMP Toolkit
2 * Copyright (C) 2012, One Laptop Per Child.
3 * Copyright (C) 2014, Red Hat, Inc.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
17 *
18 * Author(s): Carlos Garnacho <carlosg@gnome.org>
19 */
20#ifndef __GTK_GESTURE_ZOOM_H__
21#define __GTK_GESTURE_ZOOM_H__
22
23#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
24#error "Only <gtk/gtk.h> can be included directly."
25#endif
26
27#include <gtk/gtkgesture.h>
28#include <gtk/gtkwidget.h>
29
30G_BEGIN_DECLS
31
32#define GTK_TYPE_GESTURE_ZOOM (gtk_gesture_zoom_get_type ())
33#define GTK_GESTURE_ZOOM(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GTK_TYPE_GESTURE_ZOOM, GtkGestureZoom))
34#define GTK_GESTURE_ZOOM_CLASS(k) (G_TYPE_CHECK_CLASS_CAST ((k), GTK_TYPE_GESTURE_ZOOM, GtkGestureZoomClass))
35#define GTK_IS_GESTURE_ZOOM(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_GESTURE_ZOOM))
36#define GTK_IS_GESTURE_ZOOM_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GTK_TYPE_GESTURE_ZOOM))
37#define GTK_GESTURE_ZOOM_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GTK_TYPE_GESTURE_ZOOM, GtkGestureZoomClass))
38
39typedef struct _GtkGestureZoom GtkGestureZoom;
40typedef struct _GtkGestureZoomClass GtkGestureZoomClass;
41
42GDK_AVAILABLE_IN_3_14
43GType gtk_gesture_zoom_get_type (void) G_GNUC_CONST;
44
45GDK_AVAILABLE_IN_3_14
46GtkGesture * gtk_gesture_zoom_new (GtkWidget *widget);
47
48GDK_AVAILABLE_IN_3_14
49gdouble gtk_gesture_zoom_get_scale_delta (GtkGestureZoom *gesture);
50
51G_END_DECLS
52
53#endif /* __GTK_GESTURE_ZOOM_H__ */
54