gtk/gdk/win32/gdkprivate-win32.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 Library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library 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 1997-1999.  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/. 
 */

#ifndef __GDK_PRIVATE_WIN32_H__
#define __GDK_PRIVATE_WIN32_H__

#define STRICT			/* We want strict type checks */
#include <windows.h>
#include <commctrl.h>

/* Make up for some minor mingw32 lossage */

/* PS_JOIN_MASK is missing from the mingw32 headers */
#ifndef PS_JOIN_MASK
#define PS_JOIN_MASK (PS_JOIN_BEVEL|PS_JOIN_MITER|PS_JOIN_ROUND)
#endif

/* CLR_INVALID is missing */
#ifndef CLR_INVALID
#define CLR_INVALID CLR_NONE
#endif

/* Some charsets are missing */
#ifndef JOHAB_CHARSET
#define JOHAB_CHARSET 130
#endif
#ifndef VIETNAMESE_CHARSET
#define VIETNAMESE_CHARSET 163
#endif

#ifndef FS_VIETNAMESE
#define FS_VIETNAMESE 0x100
#endif

#ifndef VM_OEM_PLUS
#define VK_OEM_PLUS 0xBB
#endif

#include <time.h>

#include <gdk/gdktypes.h>
#include <gdk/gdkprivate.h>

#include <gdk/gdkcursor.h>
#include <gdk/gdkevents.h>
#include <gdk/gdkfont.h>
#include <gdk/gdkgc.h>
#include <gdk/gdkim.h>
#include <gdk/gdkimage.h>
#include <gdk/gdkvisual.h>
#include <gdk/gdkwindow.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

/* Define corresponding Windows types for some X11 types, just for laziness.
 */

typedef PALETTEENTRY XColor;
typedef guint VisualID;
typedef int Status;

/* Define some of the X11 constants also here, again just for laziness */

/* Generic null resource */
#define None 0

/* Error codes */
#define Success            0

/* Grabbing status */
#define GrabSuccess	   0
#define AlreadyGrabbed	   2

/* Some structs are somewhat useful to emulate internally, just to
   keep the code less #ifdefed.  */
typedef struct {
  HPALETTE palette;		/* Palette handle used when drawing. */
  guint size;			/* Number of entries in the palette. */
  gboolean stale;		/* 1 if palette needs to be realized,
				 * otherwise 0. */
  gboolean *in_use;
  gboolean rc_palette;		/* If RC_PALETTE is on in the RASTERCAPS */
  gulong sizepalette;		/* SIZEPALETTE if rc_palette */
} ColormapStruct, *Colormap;
  
typedef struct {
  gint map_entries;
  guint visualid;
  guint bitspixel;
} Visual;

typedef struct {
  Colormap colormap;
  unsigned long red_max;
  unsigned long red_mult;
  unsigned long green_max;
  unsigned long green_mult;
  unsigned long blue_max;
  unsigned long blue_mult;
  unsigned long base_pixel;
} XStandardColormap;

typedef struct _GdkGCWin32Data          GdkGCWin32Data;
typedef struct _GdkDrawableWin32Data    GdkDrawableWin32Data;
typedef struct _GdkWindowWin32Data      GdkWindowWin32Data;
typedef struct _GdkColormapPrivateWin32 GdkColormapPrivateWin32;
typedef struct _GdkCursorPrivate        GdkCursorPrivate;
typedef struct _GdkWin32SingleFont      GdkWin32SingleFont;
typedef struct _GdkFontPrivateWin32     GdkFontPrivateWin32;
typedef struct _GdkImagePrivateWin32    GdkImagePrivateWin32;
typedef struct _GdkVisualPrivate        GdkVisualPrivate;
typedef struct _GdkRegionPrivate        GdkRegionPrivate;
typedef struct _GdkICPrivate            GdkICPrivate;

#define GDK_DRAWABLE_WIN32DATA(win) ((GdkDrawableWin32Data *)(((GdkDrawablePrivate*)(win))->klass_data))
#define GDK_WINDOW_WIN32DATA(win) ((GdkWindowWin32Data *)(((GdkDrawablePrivate*)(win))->klass_data))
#define GDK_GC_WIN32DATA(gc) ((GdkGCWin32Data *)(((GdkGCPrivate*)(gc))->klass_data))

struct _GdkGCWin32Data
{
  /* A Windows Device Context (DC) is not equivalent to an X11
   * GC. We can use a DC only in the window for which it was
   * allocated, or (in the case of a memory DC) with the bitmap that
   * has been selected into it. Thus, we have to release and
   * reallocate a DC each time the GdkGC is used to paint into a new
   * window or pixmap. We thus keep all the necessary values in the
   * GdkGCWin32Data struct.
   */
  HDC xgc;
  GdkGCValuesMask values_mask;
  GdkColor foreground;
  GdkColor background;
  GdkFont *font;
  gint rop2;
  GdkFill fill_style;
  GdkPixmap *tile;
  GdkPixmap *stipple;
  HRGN clip_region;
  GdkSubwindowMode subwindow_mode;
  gint ts_x_origin;
  gint ts_y_origin;
  gint clip_x_origin;
  gint clip_y_origin;
  gint graphics_exposures;
  gint pen_width;
  DWORD pen_style;
  HANDLE hwnd;			/* If a DC is allocated, for which window
				 * or what bitmap is selected into it
				 */
  int saved_dc;
};

struct _GdkDrawableWin32Data
{
  HANDLE xid;
};

struct _GdkWindowWin32Data
{
  GdkDrawableWin32Data drawable;

  /* We must keep the event mask here to filter them ourselves */
  gint event_mask;

  /* Values for bg_type */
#define GDK_WIN32_BG_NORMAL 0
#define GDK_WIN32_BG_PIXEL 1
#define GDK_WIN32_BG_PIXMAP 2
#define GDK_WIN32_BG_PARENT_RELATIVE 3
#define GDK_WIN32_BG_TRANSPARENT 4

  /* We draw the background ourselves at WM_ERASEBKGND  */
  guchar bg_type;
  GdkColor bg_pixel;
  GdkPixmap *bg_pixmap;

  HCURSOR xcursor;

  /* Window size hints */
  gint hint_flags;
  gint hint_x, hint_y;
  gint hint_min_width, hint_min_height;
  gint hint_max_width, hint_max_height;

  gboolean extension_events_selected;

  HKL input_locale;
  CHARSETINFO charset_info;
};

struct _GdkCursorPrivate
{
  GdkCursor cursor;
  HCURSOR xcursor;
};

struct _GdkWin32SingleFont
{
  HFONT xfont;
  UINT charset;
  UINT codepage;
  FONTSIGNATURE fs;
};

struct _GdkFontPrivateWin32
{
  GdkFontPrivate base;
  GSList *fonts;		/* List of GdkWin32SingleFonts */
  GSList *names;
};

struct _GdkVisualPrivate
{
  GdkVisual visual;
  Visual *xvisual;
};

struct _GdkColormapPrivateWin32
{
  GdkColormapPrivate base;
  Colormap xcolormap;
  gint private_val;

  GHashTable *hash;
  GdkColorInfo *info;
  time_t last_sync_time;
};

struct _GdkImagePrivateWin32
{
  GdkImagePrivate base;
  HBITMAP ximage;
};

struct _GdkRegionPrivate
{
  GdkRegion region;
  HRGN xregion;
};

void gdk_win32_selection_init (void);
void gdk_win32_dnd_exit (void);

GdkColormap* gdk_colormap_lookup (Colormap  xcolormap);
GdkVisual*   gdk_visual_lookup	 (Visual   *xvisual);

void	 gdk_xid_table_insert    (HANDLE   *hnd,
				  gpointer data);
void	 gdk_xid_table_remove    (HANDLE xid);
gpointer gdk_xid_table_lookup    (HANDLE xid);

GdkGC *  _gdk_win32_gc_new       (GdkDrawable        *drawable,
				  GdkGCValues        *values,
				  GdkGCValuesMask     values_mask);
HDC	gdk_gc_predraw           (GdkDrawable        *drawable,
				  GdkGCPrivate       *gc_private);
void	gdk_gc_postdraw          (GdkDrawable        *drawable,
				  GdkGCPrivate       *gc_private);
HRGN	BitmapToRegion           (HBITMAP hBmp);

void    gdk_sel_prop_store       (GdkWindow *owner,
				  GdkAtom    type,
				  gint       format,
				  guchar    *data,
				  gint       length);

gint gdk_nmbstowcs               (GdkWChar    *dest,
				  const gchar *src,
				  gint         src_len,
				  gint         dest_max);
gint gdk_nmbstowchar_ts          (wchar_t     *dest,
				  const gchar *src,
				  gint         src_len,
				  gint         dest_max);

void gdk_wchar_text_handle       (GdkFont       *font,
				  const wchar_t *wcstr,
				  int            wclen,
				  void         (*handler)(GdkWin32SingleFont *,
							  const wchar_t *,
							  int,
							  void *),
				  void          *arg);

char *gdk_color_to_string        (const GdkColor *);

extern LRESULT CALLBACK gdk_WindowProc (HWND, UINT, WPARAM, LPARAM);

extern GdkDrawableClass  _gdk_win32_drawable_class;
extern HWND		 gdk_root_window;
GDKVAR ATOM		 gdk_selection_property;
GDKVAR gchar		*gdk_progclass;
extern gboolean		 gdk_event_func_from_window_proc;

extern HDC		 gdk_DC;
extern HINSTANCE	 gdk_DLLInstance;
extern HINSTANCE	 gdk_ProgInstance;

extern UINT		 gdk_selection_notify_msg;
extern UINT		 gdk_selection_request_msg;
extern UINT		 gdk_selection_clear_msg;
extern GdkAtom		 gdk_clipboard_atom;
extern GdkAtom		 gdk_win32_dropfiles_atom;
extern GdkAtom		 gdk_ole2_dnd_atom;

extern DWORD		 windows_version;

#ifdef __cplusplus
}
#endif /* __cplusplus */


#endif /* __GDK_PRIVATE_WIN32_H__ */