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260 lines
7.3 KiB
C
260 lines
7.3 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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/* Uninstalled header defining types and functions internal to GDK */
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#include <gdk/gdktypes.h>
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#include <gdk/gdkprivate.h>
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#ifndef __GDK_INTERNALS_H__
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#define __GDK_INTERNALS_H__
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/**********************
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* General Facilities *
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**********************/
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/* Debugging support */
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typedef struct _GdkColorInfo GdkColorInfo;
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typedef struct _GdkEventFilter GdkEventFilter;
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typedef struct _GdkClientFilter GdkClientFilter;
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typedef enum {
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GDK_COLOR_WRITEABLE = 1 << 0
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} GdkColorInfoFlags;
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struct _GdkColorInfo
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{
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GdkColorInfoFlags flags;
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guint ref_count;
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};
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struct _GdkEventFilter {
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GdkFilterFunc function;
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gpointer data;
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};
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struct _GdkClientFilter {
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GdkAtom type;
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GdkFilterFunc function;
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gpointer data;
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};
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typedef enum {
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GDK_DEBUG_MISC = 1 << 0,
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GDK_DEBUG_EVENTS = 1 << 1,
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GDK_DEBUG_DND = 1 << 2,
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GDK_DEBUG_XIM = 1 << 3,
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GDK_DEBUG_NOGRABS = 1 << 4,
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} GdkDebugFlag;
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#ifndef GDK_DISABLE_DEPRECATED
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typedef struct _GdkFontPrivate GdkFontPrivate;
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struct _GdkFontPrivate
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{
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GdkFont font;
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guint ref_count;
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};
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#endif /* GDK_DISABLE_DEPRECATED */
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extern GList *_gdk_default_filters;
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extern GdkWindow *_gdk_parent_root;
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extern gint _gdk_error_code;
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extern gint _gdk_error_warnings;
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extern guint _gdk_debug_flags;
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#ifdef G_ENABLE_DEBUG
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#define GDK_NOTE(type,action) G_STMT_START { \
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if (_gdk_debug_flags & GDK_DEBUG_##type) \
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{ action; }; } G_STMT_END
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#else /* !G_ENABLE_DEBUG */
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#define GDK_NOTE(type,action)
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#endif /* G_ENABLE_DEBUG */
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/* Arg parsing */
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typedef enum
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{
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GDK_ARG_STRING,
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GDK_ARG_INT,
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GDK_ARG_BOOL,
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GDK_ARG_NOBOOL,
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GDK_ARG_CALLBACK
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} GdkArgType;
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typedef struct _GdkArgContext GdkArgContext;
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typedef struct _GdkArgDesc GdkArgDesc;
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typedef void (*GdkArgFunc) (const char *name, const char *arg, gpointer data);
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struct _GdkArgContext
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{
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GPtrArray *tables;
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gpointer cb_data;
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};
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struct _GdkArgDesc
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{
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const char *name;
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GdkArgType type;
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gpointer location;
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GdkArgFunc callback;
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};
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/* Event handling */
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extern GdkEventFunc _gdk_event_func; /* Callback for events */
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extern gpointer _gdk_event_data;
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extern GDestroyNotify _gdk_event_notify;
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/* FIFO's for event queue, and for events put back using
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* gdk_event_put().
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*/
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extern GList *_gdk_queued_events;
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extern GList *_gdk_queued_tail;
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extern GdkDevice *_gdk_core_pointer;
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GdkEvent* _gdk_event_new (void);
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void _gdk_events_init (void);
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void _gdk_events_queue (void);
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GdkEvent* _gdk_event_unqueue (void);
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GList* _gdk_event_queue_find_first (void);
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void _gdk_event_queue_remove_link (GList *node);
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void _gdk_event_queue_append (GdkEvent *event);
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void _gdk_event_button_generate (GdkEvent *event);
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/*************************************
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* Interfaces used by windowing code *
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*************************************/
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void _gdk_window_destroy (GdkWindow *window,
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gboolean foreign_destroy);
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void _gdk_window_clear_update_area (GdkWindow *window);
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/*****************************************
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* Interfaces provided by windowing code *
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*****************************************/
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/* Font/string functions implemented in module-specific code */
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gint _gdk_font_strlen (GdkFont *font, const char *str);
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void _gdk_font_destroy (GdkFont *font);
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void _gdk_colormap_real_destroy (GdkColormap *colormap);
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void _gdk_cursor_destroy (GdkCursor *cursor);
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extern GdkArgDesc _gdk_windowing_args[];
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gboolean _gdk_windowing_init_check (int argc,
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char **argv);
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void _gdk_windowing_window_get_offsets (GdkWindow *window,
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gint *x_offset,
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gint *y_offset);
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void _gdk_windowing_window_clear_area (GdkWindow *window,
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gint x,
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gint y,
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gint width,
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gint height);
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void _gdk_windowing_window_clear_area_e (GdkWindow *window,
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gint x,
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gint y,
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gint width,
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gint height);
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GdkWindow* _gdk_windowing_window_at_pointer (GdkScreen *screen,
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gint *win_x,
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gint *win_y);
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GdkWindow* _gdk_windowing_window_get_pointer (GdkWindow *window,
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gint *x,
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gint *y,
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GdkModifierType *mask);
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#define GDK_WINDOW_IS_MAPPED(window) ((((GdkWindowObject*)window)->state & GDK_WINDOW_STATE_WITHDRAWN) == 0)
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/* Called before processing updates for a window. This gives the windowing
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* layer a chance to save the region for later use in avoiding duplicate
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* exposes. The return value indicates whether the function has a saved
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* the region; if the result is TRUE, then the windowing layer is responsible
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* for destroying the region later.
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*/
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gboolean _gdk_windowing_window_queue_antiexpose (GdkWindow *window,
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GdkRegion *area);
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/* Called to do the windowing system specific part of gdk_window_destroy(),
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*
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* window: The window being destroyed
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* recursing: If TRUE, then this is being called because a parent
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* was destroyed. This generally means that the call to the windowing system
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* to destroy the window can be omitted, since it will be destroyed as a result
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* of the parent being destroyed. Unless @foreign_destroy
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*
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* foreign_destroy: If TRUE, the window or a parent was destroyed by some external
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* agency. The window has already been destroyed and no windowing
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* system calls should be made. (This may never happen for some
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* windowing systems.)
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*/
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void _gdk_windowing_window_destroy (GdkWindow *window,
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gboolean recursing,
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gboolean foreign_destroy);
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/* Implementation types */
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GType _gdk_window_impl_get_type (void) G_GNUC_CONST;
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GType _gdk_pixmap_impl_get_type (void) G_GNUC_CONST;
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/************************************
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* Initialization and exit routines *
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************************************/
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void _gdk_windowing_window_init (void);
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void _gdk_visual_init (void);
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void _gdk_dnd_init (void);
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void _gdk_windowing_image_init (void);
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void _gdk_image_exit (void);
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void _gdk_input_init (void);
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void _gdk_input_exit (void);
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void _gdk_windowing_exit (void);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __GDK_INTERNALS_H__ */
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