gtk/gdk/gdktypes.h

/* GDK - The GIMP Drawing Kit
 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
 *
 * 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/>.
 */

/*
 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
 * file for a list of people on the GTK+ Team.  See the ChangeLog
 * files for a list of changes.  These files are distributed with
 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
 */

#pragma once

#if !defined (__GDK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gdk/gdk.h> can be included directly."
#endif

/* GDK uses "glib". (And so does GTK).
 */
#include <glib.h>
#include <glib-object.h>
#include <gio/gio.h>
#include <cairo.h>
#include <pango/pango.h>

/* The system specific file gdkconfig.h contains such configuration
 * settings that are needed not only when compiling GDK (or GTK)
 * itself, but also occasionally when compiling programs that use GDK
 * (or GTK). One such setting is what windowing API backend is in use.
 */
#include <gdk/gdkconfig.h>
#include <gdk/gdkenums.h>
#include <gdk/version/gdkversionmacros.h>

G_BEGIN_DECLS

/**
 * GDK_CURRENT_TIME:
 *
 * Represents the current time, and can be used anywhere a time is expected.
 */
#define GDK_CURRENT_TIME     0L

#ifdef __GI_SCANNER__
/* The introspection scanner is currently unable to lookup how
 * cairo_rectangle_int_t is actually defined. This prevents
 * introspection data for the GdkRectangle type to include fields
 * descriptions. To workaround this issue, we define it with the same
 * content as cairo_rectangle_int_t, but only under the introspection
 * define.
 */
struct _GdkRectangle
{
    int x, y;
    int width, height;
};
typedef struct _GdkRectangle          GdkRectangle;
#else
typedef cairo_rectangle_int_t         GdkRectangle;
#endif

/* Forward declarations of commonly used types */
typedef struct _GdkRGBA               GdkRGBA;
typedef struct _GdkContentFormats     GdkContentFormats;
typedef struct _GdkContentProvider    GdkContentProvider;
typedef struct _GdkCursor             GdkCursor;
typedef struct _GdkTexture            GdkTexture;
typedef struct _GdkTextureDownloader  GdkTextureDownloader;
typedef struct _GdkDevice             GdkDevice;
typedef struct _GdkDrag               GdkDrag;
typedef struct _GdkDrop               GdkDrop;

typedef struct _GdkClipboard          GdkClipboard;
typedef struct _GdkDisplayManager     GdkDisplayManager;
typedef struct _GdkDisplay            GdkDisplay;
typedef struct _GdkSurface             GdkSurface;
typedef struct _GdkAppLaunchContext   GdkAppLaunchContext;
typedef struct _GdkSeat               GdkSeat;
typedef struct _GdkSnapshot           GdkSnapshot;

typedef struct _GdkDrawContext        GdkDrawContext;
typedef struct _GdkCairoContext       GdkCairoContext;
typedef struct _GdkGLContext          GdkGLContext;
typedef struct _GdkVulkanContext      GdkVulkanContext;

/*
 * GDK_DECLARE_INTERNAL_TYPE:
 * @ModuleObjName: The name of the new type, in camel case (like GtkWidget)
 * @module_obj_name: The name of the new type in lowercase, with words
 *  separated by '_' (like 'gtk_widget')
 * @MODULE: The name of the module, in all caps (like 'GTK')
 * @OBJ_NAME: The bare name of the type, in all caps (like 'WIDGET')
 * @ParentName: the name of the parent type, in camel case (like GtkWidget)
 *
 * A convenience macro for emitting the usual declarations in the
 * header file for a type which is intended to be subclassed only
 * by internal consumers.
 *
 * This macro differs from %G_DECLARE_DERIVABLE_TYPE and %G_DECLARE_FINAL_TYPE
 * by declaring a type that is only derivable internally. Internal users can
 * derive this type, assuming they have access to the instance and class
 * structures; external users will not be able to subclass this type.
 */
#define GDK_DECLARE_INTERNAL_TYPE(ModuleObjName, module_obj_name, MODULE, OBJ_NAME, ParentName) \
  GType module_obj_name##_get_type (void);                                                               \
  G_GNUC_BEGIN_IGNORE_DEPRECATIONS                                                                       \
  typedef struct _##ModuleObjName ModuleObjName;                                                         \
  typedef struct _##ModuleObjName##Class ModuleObjName##Class;                                           \
                                                                                                         \
  _GLIB_DEFINE_AUTOPTR_CHAINUP (ModuleObjName, ParentName)                                               \
  G_DEFINE_AUTOPTR_CLEANUP_FUNC (ModuleObjName##Class, g_type_class_unref)                               \
                                                                                                         \
  G_GNUC_UNUSED static inline ModuleObjName * MODULE##_##OBJ_NAME (gpointer ptr) {                       \
    return G_TYPE_CHECK_INSTANCE_CAST (ptr, module_obj_name##_get_type (), ModuleObjName); }             \
  G_GNUC_UNUSED static inline ModuleObjName##Class * MODULE##_##OBJ_NAME##_CLASS (gpointer ptr) {        \
    return G_TYPE_CHECK_CLASS_CAST (ptr, module_obj_name##_get_type (), ModuleObjName##Class); }         \
  G_GNUC_UNUSED static inline gboolean MODULE##_IS_##OBJ_NAME (gpointer ptr) {                           \
    return G_TYPE_CHECK_INSTANCE_TYPE (ptr, module_obj_name##_get_type ()); }                            \
  G_GNUC_UNUSED static inline gboolean MODULE##_IS_##OBJ_NAME##_CLASS (gpointer ptr) {                   \
    return G_TYPE_CHECK_CLASS_TYPE (ptr, module_obj_name##_get_type ()); }                               \
  G_GNUC_UNUSED static inline ModuleObjName##Class * MODULE##_##OBJ_NAME##_GET_CLASS (gpointer ptr) {    \
    return G_TYPE_INSTANCE_GET_CLASS (ptr, module_obj_name##_get_type (), ModuleObjName##Class); }       \
  G_GNUC_END_IGNORE_DEPRECATIONS

typedef struct _GdkKeymapKey GdkKeymapKey;

/**
 * GdkKeymapKey:
 * @keycode: the hardware keycode. This is an identifying number for a
 *   physical key.
 * @group: indicates movement in a horizontal direction. Usually groups are used
 *   for two different languages. In group 0, a key might have two English
 *   characters, and in group 1 it might have two Hebrew characters. The Hebrew
 *   characters will be printed on the key next to the English characters.
 * @level: indicates which symbol on the key will be used, in a vertical direction.
 *   So on a standard US keyboard, the key with the number “1” on it also has the
 *   exclamation point ("!") character on it. The level indicates whether to use
 *   the “1” or the “!” symbol. The letter keys are considered to have a lowercase
 *   letter at level 0, and an uppercase letter at level 1, though only the
 *   uppercase letter is printed.
 *
 * A `GdkKeymapKey` is a hardware key that can be mapped to a keyval.
 */
struct _GdkKeymapKey
{
  guint keycode;
  int   group;
  int   level;
};

G_END_DECLS