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/* 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* 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/.
*/
/* Uninstalled header defining types and functions internal to GDK */
#include <gdk/gdktypes.h>
#include <gdk/gdkprivate.h>
#ifndef __GDK_INTERNALS_H__
#define __GDK_INTERNALS_H__
/**********************
* General Facilities *
**********************/
/* Debugging support */
typedef struct _GdkColorInfo GdkColorInfo;
typedef struct _GdkEventFilter GdkEventFilter;
typedef struct _GdkClientFilter GdkClientFilter;
typedef enum {
GDK_COLOR_WRITEABLE = 1 << 0
} GdkColorInfoFlags;
struct _GdkColorInfo
{
GdkColorInfoFlags flags;
guint ref_count;
};
struct _GdkEventFilter {
GdkFilterFunc function;
gpointer data;
};
struct _GdkClientFilter {
GdkAtom type;
GdkFilterFunc function;
gpointer data;
};
typedef enum {
GDK_DEBUG_MISC = 1 << 0,
GDK_DEBUG_EVENTS = 1 << 1,
GDK_DEBUG_DND = 1 << 2,
GDK_DEBUG_XIM = 1 << 3,
GDK_DEBUG_NOGRABS = 1 << 4,
} GdkDebugFlag;
#ifndef GDK_DISABLE_DEPRECATED
typedef struct _GdkFontPrivate GdkFontPrivate;
struct _GdkFontPrivate
{
GdkFont font;
guint ref_count;
};
#endif /* GDK_DISABLE_DEPRECATED */
extern GList *_gdk_default_filters;
extern GdkWindow *_gdk_parent_root;
extern gint _gdk_error_code;
extern gint _gdk_error_warnings;
extern guint _gdk_debug_flags;
#ifdef G_ENABLE_DEBUG
#define GDK_NOTE(type,action) G_STMT_START { \
if (_gdk_debug_flags & GDK_DEBUG_##type) \
{ action; }; } G_STMT_END
#else /* !G_ENABLE_DEBUG */
#define GDK_NOTE(type,action)
#endif /* G_ENABLE_DEBUG */
/* Arg parsing */
typedef enum
{
GDK_ARG_STRING,
GDK_ARG_INT,
GDK_ARG_BOOL,
GDK_ARG_NOBOOL,
GDK_ARG_CALLBACK
} GdkArgType;
typedef struct _GdkArgContext GdkArgContext;
typedef struct _GdkArgDesc GdkArgDesc;
typedef void (*GdkArgFunc) (const char *name, const char *arg, gpointer data);
struct _GdkArgContext
{
GPtrArray *tables;
gpointer cb_data;
};
struct _GdkArgDesc
{
const char *name;
GdkArgType type;
gpointer location;
GdkArgFunc callback;
};
/* Event handling */
extern GdkEventFunc _gdk_event_func; /* Callback for events */
extern gpointer _gdk_event_data;
extern GDestroyNotify _gdk_event_notify;
/* FIFO's for event queue, and for events put back using
* gdk_event_put().
*/
extern GList *_gdk_queued_events;
extern GList *_gdk_queued_tail;
extern GdkDevice *_gdk_core_pointer;
GdkEvent* _gdk_event_new (void);
void _gdk_events_init (void);
void _gdk_events_queue (void);
GdkEvent* _gdk_event_unqueue (void);
GList* _gdk_event_queue_find_first (void);
void _gdk_event_queue_remove_link (GList *node);
void _gdk_event_queue_append (GdkEvent *event);
void _gdk_event_button_generate (GdkEvent *event);
/*************************************
* Interfaces used by windowing code *
*************************************/
void _gdk_window_destroy (GdkWindow *window,
gboolean foreign_destroy);
void _gdk_window_clear_update_area (GdkWindow *window);
/*****************************************
* Interfaces provided by windowing code *
*****************************************/
/* Font/string functions implemented in module-specific code */
gint _gdk_font_strlen (GdkFont *font, const char *str);
void _gdk_font_destroy (GdkFont *font);
void _gdk_colormap_real_destroy (GdkColormap *colormap);
void _gdk_cursor_destroy (GdkCursor *cursor);
extern GdkArgDesc _gdk_windowing_args[];
gboolean _gdk_windowing_init_check (int argc,
char **argv);
void _gdk_windowing_window_get_offsets (GdkWindow *window,
gint *x_offset,
gint *y_offset);
void _gdk_windowing_window_clear_area (GdkWindow *window,
gint x,
gint y,
gint width,
gint height);
void _gdk_windowing_window_clear_area_e (GdkWindow *window,
gint x,
gint y,
gint width,
gint height);
GdkWindow* _gdk_windowing_window_at_pointer (GdkScreen *screen,
gint *win_x,
gint *win_y);
GdkWindow* _gdk_windowing_window_get_pointer (GdkWindow *window,
gint *x,
gint *y,
GdkModifierType *mask);
#define GDK_WINDOW_IS_MAPPED(window) ((((GdkWindowObject*)window)->state & GDK_WINDOW_STATE_WITHDRAWN) == 0)
/* Called before processing updates for a window. This gives the windowing
* layer a chance to save the region for later use in avoiding duplicate
* exposes. The return value indicates whether the function has a saved
* the region; if the result is TRUE, then the windowing layer is responsible
* for destroying the region later.
*/
gboolean _gdk_windowing_window_queue_antiexpose (GdkWindow *window,
GdkRegion *area);
/* Called to do the windowing system specific part of gdk_window_destroy(),
*
* window: The window being destroyed
* recursing: If TRUE, then this is being called because a parent
* was destroyed. This generally means that the call to the windowing system
* to destroy the window can be omitted, since it will be destroyed as a result
* of the parent being destroyed. Unless @foreign_destroy
*
* foreign_destroy: If TRUE, the window or a parent was destroyed by some external
* agency. The window has already been destroyed and no windowing
* system calls should be made. (This may never happen for some
* windowing systems.)
*/
void _gdk_windowing_window_destroy (GdkWindow *window,
gboolean recursing,
gboolean foreign_destroy);
/* Implementation types */
GType _gdk_window_impl_get_type (void) G_GNUC_CONST;
GType _gdk_pixmap_impl_get_type (void) G_GNUC_CONST;
/************************************
* Initialization and exit routines *
************************************/
void _gdk_windowing_window_init (void);
void _gdk_visual_init (void);
void _gdk_dnd_init (void);
void _gdk_windowing_image_init (void);
void _gdk_image_exit (void);
void _gdk_input_init (void);
void _gdk_input_exit (void);
void _gdk_windowing_exit (void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GDK_INTERNALS_H__ */
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