Learning_GTK4_tree/gdk/gdksubsurfaceprivate.h

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2023-12-12 11:36:42 +01:00
/* GDK - The GIMP Drawing Kit
* Copyright (C) 2023 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/>.
*/
/* Uninstalled header defining types and functions internal to GDK */
#pragma once
#include "gdkenumtypes.h"
#include "gdksurface.h"
#include <graphene.h>
G_BEGIN_DECLS
typedef struct _GdkSubsurface GdkSubsurface;
typedef struct _GdkSubsurfaceClass GdkSubsurfaceClass;
#define GDK_TYPE_SUBSURFACE (gdk_subsurface_get_type ())
#define GDK_SUBSURFACE(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_SUBSURFACE, GdkSubsurface))
#define GDK_SUBSURFACE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_SUBSURFACE, GdkSubsurfaceClass))
#define GDK_IS_SUBSURFACE(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_SUBSURFACE))
#define GDK_SUBSURFACE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_SUBSURFACE, GdkSubsurfaceClass))
struct _GdkSubsurface
{
GObject parent_instance;
GdkSurface *parent;
int ref_count;
};
struct _GdkSubsurfaceClass
{
GObjectClass parent_class;
gboolean (* attach) (GdkSubsurface *subsurface,
GdkTexture *texture,
const graphene_rect_t *rect,
gboolean above,
GdkSubsurface *sibling);
void (* detach) (GdkSubsurface *subsurface);
GdkTexture * (* get_texture) (GdkSubsurface *subsurface);
void (* get_rect) (GdkSubsurface *subsurface,
graphene_rect_t *rect);
gboolean (* is_above_parent) (GdkSubsurface *subsurface);
};
GType gdk_subsurface_get_type (void) G_GNUC_CONST;
GdkSurface * gdk_subsurface_get_parent (GdkSubsurface *subsurface);
gboolean gdk_subsurface_attach (GdkSubsurface *subsurface,
GdkTexture *texture,
const graphene_rect_t *rect,
gboolean above,
GdkSubsurface *sibling);
void gdk_subsurface_detach (GdkSubsurface *subsurface);
GdkTexture * gdk_subsurface_get_texture (GdkSubsurface *subsurface);
void gdk_subsurface_get_rect (GdkSubsurface *subsurface,
graphene_rect_t *rect);
gboolean gdk_subsurface_is_above_parent (GdkSubsurface *subsurface);
G_END_DECLS