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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 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 1.1.1.1 2002-01-16 10:26:02 markom Exp $

 */

#ifndef _TKWININT

#define _TKWININT

#ifndef _TKINT

#include "tkInt.h"

#endif

/*

 * Include platform specific public interfaces.

 */

#ifndef _TKWIN

#include "tkWin.h"

#endif

/*

 * Define constants missing from older Win32 SDK header files.

 */

#ifndef WS_EX_TOOLWINDOW

#define WS_EX_TOOLWINDOW        0x00000080L 

#endif

#ifndef __GNUC__

/* gcc won't let us do this--it causes a conflict with the typedef in

   tkFont.h (as it should).  */

typedef struct TkFontAttributes TkFontAttributes;

#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.

 */

extern LRESULT CALLBACK TkWinChildProc _ANSI_ARGS_((HWND hwnd, UINT message,

                            WPARAM wParam, LPARAM lParam));

extern void             TkWinClipboardRender _ANSI_ARGS_((TkDisplay *dispPtr,

                            UINT format));

extern LRESULT          TkWinEmbeddedEventProc _ANSI_ARGS_((HWND hwnd,

                            UINT message, WPARAM wParam, LPARAM lParam));

extern void             TkWinFillRect _ANSI_ARGS_((HDC dc, int x, int y,

                            int width, int height, int pixel));

extern COLORREF         TkWinGetBorderPixels _ANSI_ARGS_((Tk_Window tkwin,

                            Tk_3DBorder border, int which));

extern HDC              TkWinGetDrawableDC _ANSI_ARGS_((Display *display,

                            Drawable d, TkWinDCState* state));

extern int              TkWinGetModifierState _ANSI_ARGS_((void));

extern HPALETTE         TkWinGetSystemPalette _ANSI_ARGS_((void));

extern HWND             TkWinGetWrapperWindow _ANSI_ARGS_((Tk_Window tkwin));

extern int              TkWinHandleMenuEvent _ANSI_ARGS_((HWND *phwnd,

                            UINT *pMessage, WPARAM *pwParam, LPARAM *plParam,

                            LRESULT *plResult));

extern int              TkWinIndexOfColor _ANSI_ARGS_((XColor *colorPtr));

extern void             TkWinPointerDeadWindow _ANSI_ARGS_((TkWindow *winPtr));

extern void             TkWinPointerEvent _ANSI_ARGS_((HWND hwnd, int x,

                            int y));

extern void             TkWinPointerInit _ANSI_ARGS_((void));

extern LRESULT          TkWinReflectMessage _ANSI_ARGS_((HWND hwnd,

                            UINT message, WPARAM wParam, LPARAM lParam));

extern void             TkWinReleaseDrawableDC _ANSI_ARGS_((Drawable d,

                            HDC hdc, TkWinDCState* state));

extern LRESULT          TkWinResendEvent _ANSI_ARGS_((WNDPROC wndproc,

                            HWND hwnd, XEvent *eventPtr));

extern HPALETTE         TkWinSelectPalette _ANSI_ARGS_((HDC dc,

                            Colormap colormap));

extern void             TkWinSetMenu _ANSI_ARGS_((Tk_Window tkwin,

                            HMENU hMenu));

extern void             TkWinSetWindowPos _ANSI_ARGS_((HWND hwnd,

                            HWND siblingHwnd, int pos));

extern void             TkWinUpdateCursor _ANSI_ARGS_((TkWindow *winPtr));

extern void             TkWinWmCleanup _ANSI_ARGS_((HINSTANCE hInstance));

extern HWND             TkWinWmFindEmbedAssociation _ANSI_ARGS_((

                            TkWindow *winPtr));

extern void             TkWinWmStoreEmbedAssociation _ANSI_ARGS_((

                            TkWindow *winPtr, HWND hwnd));

extern void             TkWinXCleanup _ANSI_ARGS_((HINSTANCE hInstance));

extern void             TkWinXInit _ANSI_ARGS_((HINSTANCE hInstance));

/* CYGNUS LOCAL.  */

extern void             TkWinNCMetricsChanged _ANSI_ARGS_((Tk_Window tkwin));

extern void             TkWinSysColorChange _ANSI_ARGS_((void));

#endif /* _TKWININT */