Learning_GTK4_tree/gtk/gtkgesturezoom.h

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2023-12-12 11:36:42 +01:00
/* 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>
*/
#pragma once
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#include <gtk/gtkgesture.h>
#include <gtk/gtkwidget.h>
G_BEGIN_DECLS
#define GTK_TYPE_GESTURE_ZOOM (gtk_gesture_zoom_get_type ())
#define GTK_GESTURE_ZOOM(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GTK_TYPE_GESTURE_ZOOM, GtkGestureZoom))
#define GTK_GESTURE_ZOOM_CLASS(k) (G_TYPE_CHECK_CLASS_CAST ((k), GTK_TYPE_GESTURE_ZOOM, GtkGestureZoomClass))
#define GTK_IS_GESTURE_ZOOM(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_GESTURE_ZOOM))
#define GTK_IS_GESTURE_ZOOM_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GTK_TYPE_GESTURE_ZOOM))
#define GTK_GESTURE_ZOOM_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GTK_TYPE_GESTURE_ZOOM, GtkGestureZoomClass))
typedef struct _GtkGestureZoom GtkGestureZoom;
typedef struct _GtkGestureZoomClass GtkGestureZoomClass;
GDK_AVAILABLE_IN_ALL
GType gtk_gesture_zoom_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GtkGesture * gtk_gesture_zoom_new (void);
GDK_AVAILABLE_IN_ALL
double gtk_gesture_zoom_get_scale_delta (GtkGestureZoom *gesture);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GtkGestureZoom, g_object_unref)
G_END_DECLS