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/*
* tkWinInt.h --
*
* This file contains declarations that are shared among the
* Windows-specific parts of Tk, but aren't used by the rest of
* Tk.
*
* Copyright (c) 1995-1997 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* RCS: @(#) $Id: tkWinInt.h,v 1.8 2000/03/02 23:52:37 hobbs Exp $
*/
#ifndef _TKWININT
#define _TKWININT
#ifndef _TKINT
#include "tkInt.h"
#endif
/*
* Include platform specific public interfaces.
*/
#ifndef _TKWIN
#include "tkWin.h"
#endif
#ifndef _TKPORT
#include "tkPort.h"
#endif
/*
* Define constants missing from older Win32 SDK header files.
*/
#ifndef WS_EX_TOOLWINDOW
#define WS_EX_TOOLWINDOW 0x00000080L
#endif
/*
* The TkWinDCState is used to save the state of a device context
* so that it can be restored later.
*/
typedef struct TkWinDCState {
HPALETTE palette;
} TkWinDCState;
/*
* The TkWinDrawable is the internal implementation of an X Drawable (either
* a Window or a Pixmap). The following constants define the valid Drawable
* types.
*/
#define TWD_BITMAP 1
#define TWD_WINDOW 2
#define TWD_WINDC 3
typedef struct {
int type;
HWND handle;
TkWindow *winPtr;
} TkWinWindow;
typedef struct {
int type;
HBITMAP handle;
Colormap colormap;
int depth;
} TkWinBitmap;
typedef struct {
int type;
HDC hdc;
}TkWinDC;
typedef union {
int type;
TkWinWindow window;
TkWinBitmap bitmap;
TkWinDC winDC;
} TkWinDrawable;
/*
* The following macros are used to retrieve internal values from a Drawable.
*/
#define TkWinGetHWND(w) (((TkWinDrawable *) w)->window.handle)
#define TkWinGetWinPtr(w) (((TkWinDrawable*)w)->window.winPtr)
#define TkWinGetHBITMAP(w) (((TkWinDrawable*)w)->bitmap.handle)
#define TkWinGetColormap(w) (((TkWinDrawable*)w)->bitmap.colormap)
#define TkWinGetHDC(w) (((TkWinDrawable *) w)->winDC.hdc)
/*
* The following structure is used to encapsulate palette information.
*/
typedef struct {
HPALETTE palette; /* Palette handle used when drawing. */
UINT size; /* Number of entries in the palette. */
int stale; /* 1 if palette needs to be realized,
* otherwise 0. If the palette is stale,
* then an idle handler is scheduled to
* realize the palette. */
Tcl_HashTable refCounts; /* Hash table of palette entry reference counts
* indexed by pixel value. */
} TkWinColormap;
/*
* The following macro retrieves the Win32 palette from a colormap.
*/
#define TkWinGetPalette(colormap) (((TkWinColormap *) colormap)->palette)
/*
* The following macros define the class names for Tk Window types.
*/
#define TK_WIN_TOPLEVEL_CLASS_NAME "TkTopLevel"
#define TK_WIN_CHILD_CLASS_NAME "TkChild"
/*
* The following variable indicates whether we are restricted to Win32s
* GDI calls.
*/
extern int tkpIsWin32s;
/*
* The following variable is a translation table between X gc functions and
* Win32 raster op modes.
*/
extern int tkpWinRopModes[];
/*
* The following defines are used with TkWinGetBorderPixels to get the
* extra 2 border colors from a Tk_3DBorder.
*/
#define TK_3D_LIGHT2 TK_3D_DARK_GC+1
#define TK_3D_DARK2 TK_3D_DARK_GC+2
/*
* Internal procedures used by more than one source file.
*/
#include "tkIntPlatDecls.h"
/*
* We need to specially add the TkWinChildProc because of the special
* prototype it has (doesn't fit into stubs schema)
*/
#ifdef BUILD_tk
#undef TCL_STORAGE_CLASS
#define TCL_STORAGE_CLASS DLLEXPORT
#endif
EXTERN LRESULT CALLBACK TkWinChildProc _ANSI_ARGS_((HWND hwnd, UINT message,
WPARAM wParam, LPARAM lParam));
#undef TCL_STORAGE_CLASS
#define TCL_STORAGE_CLASS DLLIMPORT
#endif /* _TKWININT */
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