path: root/hw/xwin/win.h

/*
 *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
 *
 *Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 *"Software"), to deal in the Software without restriction, including
 *without limitation the rights to use, copy, modify, merge, publish,
 *distribute, sublicense, and/or sell copies of the Software, and to
 *permit persons to whom the Software is furnished to do so, subject to
 *the following conditions:
 *
 *The above copyright notice and this permission notice shall be
 *included in all copies or substantial portions of the Software.
 *
 *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR
 *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 *Except as contained in this notice, the name of the XFree86 Project
 *shall not be used in advertising or otherwise to promote the sale, use
 *or other dealings in this Software without prior written authorization
 *from the XFree86 Project.
 *
 * Authors:	Dakshinamurthy Karra
 *		Suhaib M Siddiqi
 *		Peter Busch
 *		Harold L Hunt II
 *		Kensuke Matsuzaki
 */
/* $XFree86: xc/programs/Xserver/hw/xwin/win.h,v 1.37 2003/10/02 13:30:09 eich Exp $ */

#ifndef _WIN_H_
#define _WIN_H_

#ifndef NO
#define NO					0
#endif
#ifndef YES
#define YES					1
#endif

/* Turn debug messages on or off */
#ifndef CYGDEBUG
#define CYGDEBUG				NO
#endif

/* WM_XBUTTON Messages. They should go into w32api. */
#ifndef WM_XBUTTONDOWN
# define WM_XBUTTONDOWN 523
#endif
#ifndef WM_XBUTTONUP
# define WM_XBUTTONUP 524
#endif
#ifndef WM_XBUTTONDBLCLK
# define WM_XBUTTONDBLCLK 525
#endif

#define NEED_EVENTS

#define WIN_DEFAULT_BPP				0
#define WIN_DEFAULT_WHITEPIXEL			255
#define WIN_DEFAULT_BLACKPIXEL			0
#define WIN_DEFAULT_LINEBIAS			0
#define WIN_DEFAULT_E3B_TIME			50 /* milliseconds */
#define WIN_DEFAULT_DPI				75
#define WIN_DEFAULT_REFRESH			0
#define WIN_DEFAULT_WIN_KILL			TRUE
#define WIN_DEFAULT_UNIX_KILL			FALSE
#define WIN_DEFAULT_CLIP_UPDATES_NBOXES		0
#ifdef XWIN_EMULATEPSEUDO
#define WIN_DEFAULT_EMULATE_PSEUDO		FALSE
#endif
#define WIN_DEFAULT_USER_GAVE_HEIGHT_AND_WIDTH	FALSE

#define WIN_DIB_MAXIMUM_SIZE	0x08000000 /* 16 MB on Windows 95, 98, Me */
#define WIN_DIB_MAXIMUM_SIZE_MB (WIN_DIB_MAXIMUM_SIZE / 8 / 1024 / 1024)

/*
 * Windows only supports 256 color palettes
 */
#define WIN_NUM_PALETTE_ENTRIES			256

/*
 * Number of times to call Restore in an attempt to restore the primary surface
 */
#define WIN_REGAIN_SURFACE_RETRIES		1

/*
 * Build a supported display depths mask by shifting one to the left
 * by the number of bits in the supported depth.
 */
#define WIN_SUPPORTED_BPPS	( (1 << (32 - 1)) | (1 << (24 - 1)) \
				| (1 << (16 - 1)) | (1 << (15 - 1)) \
				| (1 << ( 8 - 1)))
#define WIN_CHECK_DEPTH		YES

/*
 * Timer IDs for WM_TIMER
 */
#define WIN_E3B_TIMER_ID		1
#define WIN_POLLING_MOUSE_TIMER_ID	2


#define WIN_E3B_OFF		-1
#define WIN_FD_INVALID		-1

#define WIN_SERVER_NONE		0x0L	/* 0 */
#define WIN_SERVER_SHADOW_GDI	0x1L	/* 1 */
#define WIN_SERVER_SHADOW_DD	0x2L	/* 2 */
#define WIN_SERVER_SHADOW_DDNL	0x4L	/* 4 */
#ifdef XWIN_PRIMARYFB
#define WIN_SERVER_PRIMARY_DD	0x8L	/* 8 */
#endif
#ifdef XWIN_NATIVEGDI
# define WIN_SERVER_NATIVE_GDI	0x10L	/* 16 */
#endif

#define AltMapIndex		Mod1MapIndex
#define NumLockMapIndex		Mod2MapIndex
#define AltLangMapIndex		Mod3MapIndex
#define KanaMapIndex		Mod4MapIndex
#define ScrollLockMapIndex	Mod5MapIndex

#define WIN_MOD_LALT		0x00000001
#define WIN_MOD_RALT		0x00000002
#define WIN_MOD_LCONTROL	0x00000004
#define WIN_MOD_RCONTROL	0x00000008

#define WIN_24BPP_MASK_RED	0x00FF0000
#define WIN_24BPP_MASK_GREEN	0x0000FF00
#define WIN_24BPP_MASK_BLUE	0x000000FF

#define WIN_MAX_KEYS_PER_KEY	4

#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>

#include <errno.h>
#if defined(XWIN_MULTIWINDOWEXTWM) || defined(XWIN_CLIPBOARD) || defined(XWIN_MULTIWINDOW) 
#include <pthread.h>
#endif

#ifdef HAS_MMAP
#include <sys/mman.h>
#ifndef MAP_FILE
#define MAP_FILE 0
#endif /* MAP_FILE */
#endif /* HAS_MMAP */

#include "X11/X.h"
#include "X11/Xproto.h"
#include "X11/Xos.h"
#include "X11/Xprotostr.h"
#include "scrnintstr.h"
#include "pixmapstr.h"
#include "pixmap.h"
#include "region.h"
#include "gcstruct.h"
#include "colormap.h"
#include "colormapst.h"
#include "miscstruct.h"
#include "servermd.h"
#include "windowstr.h"
#include "mi.h"
#include "micmap.h"
#include "mifillarc.h"
#include "mifpoly.h"
#include "mibstore.h"
#include "input.h"
#include "mipointer.h"
#include "X11/keysym.h"
#include "mibstore.h"
#include "micoord.h"
#include "dix.h"
#include "miline.h"
#include "shadow.h"
#include "fb.h"
#include "rootless.h"

#ifdef RENDER
#include "mipict.h"
#include "picturestr.h"
#endif

#ifdef RANDR
#include "randrstr.h"
#endif

/*
 * Windows headers
 */
#include "winms.h"
#include "./winresource.h"


/*
 * Define Windows constants
 */

#define WM_TRAYICON		(WM_USER + 1000)
#define WM_INIT_SYS_MENU	(WM_USER + 1001)
#define WM_GIVEUP		(WM_USER + 1002)


/* Local includes */
#include "winwindow.h"
#include "winmsg.h"


/*
 * Debugging macros
 */

#if CYGDEBUG
#define DEBUG_MSG(str,...) \
if (fDebugProcMsg) \
{ \
  char *pszTemp; \
  int iLength; \
  pszTemp = Xprintf (str, ##__VA_ARGS__); \
  MessageBox (NULL, pszTemp, szFunctionName, MB_OK); \
  xfree (pszTemp); \
}
#else
#define DEBUG_MSG(str,...)
#endif

#if CYGDEBUG
#define DEBUG_FN_NAME(str) PTSTR szFunctionName = str
#else
#define DEBUG_FN_NAME(str)
#endif

#if CYGDEBUG || YES
#define DEBUGVARS BOOL fDebugProcMsg = FALSE
#else
#define DEBUGVARS
#endif

#if CYGDEBUG || YES
#define DEBUGPROC_MSG fDebugProcMsg = TRUE
#else
#define DEBUGPROC_MSG
#endif

#define PROFILEPOINT(point,thresh)\
{\
static unsigned int PROFPT##point = 0;\
if (++PROFPT##point % thresh == 0)\
ErrorF (#point ": PROFILEPOINT hit %u times\n", PROFPT##point);\
}


/* We use xor this macro for detecting toggle key state changes */
#define WIN_XOR(a,b) ((!(a) && (b)) || ((a) && !(b)))

#define DEFINE_ATOM_HELPER(func,atom_name)			\
static Atom func (void) {					\
    static int generation;					\
    static Atom atom;						\
    if (generation != serverGeneration) {			\
	generation = serverGeneration;				\
	atom = MakeAtom (atom_name, strlen (atom_name), TRUE);	\
    }								\
    return atom;						\
}

/*
 * Typedefs for engine dependent function pointers
 */

typedef Bool (*winAllocateFBProcPtr)(ScreenPtr);

typedef void (*winShadowUpdateProcPtr)(ScreenPtr, shadowBufPtr);

typedef Bool (*winCloseScreenProcPtr)(int, ScreenPtr);

typedef Bool (*winInitVisualsProcPtr)(ScreenPtr);

typedef Bool (*winAdjustVideoModeProcPtr)(ScreenPtr);

typedef Bool (*winCreateBoundingWindowProcPtr)(ScreenPtr);

typedef Bool (*winFinishScreenInitProcPtr)(int, ScreenPtr, int, char **);

typedef Bool (*winBltExposedRegionsProcPtr)(ScreenPtr);

typedef Bool (*winActivateAppProcPtr)(ScreenPtr);

typedef Bool (*winRedrawScreenProcPtr)(ScreenPtr pScreen);

typedef Bool (*winRealizeInstalledPaletteProcPtr)(ScreenPtr pScreen);

typedef Bool (*winInstallColormapProcPtr)(ColormapPtr pColormap);

typedef Bool (*winStoreColorsProcPtr)(ColormapPtr pmap, 
				      int ndef, xColorItem *pdefs);

typedef Bool (*winCreateColormapProcPtr)(ColormapPtr pColormap);

typedef Bool (*winDestroyColormapProcPtr)(ColormapPtr pColormap);

typedef Bool (*winHotKeyAltTabProcPtr)(ScreenPtr);

typedef Bool (*winCreatePrimarySurfaceProcPtr)(ScreenPtr);

typedef Bool (*winReleasePrimarySurfaceProcPtr)(ScreenPtr);

typedef Bool (*winFinishCreateWindowsWindowProcPtr)(WindowPtr pWin);


/* Typedef for DIX wrapper functions */
typedef int (*winDispatchProcPtr) (ClientPtr);


/*
 * GC (graphics context) privates
 */

typedef struct
{
  HDC			hdc;
  HDC			hdcMem;
} winPrivGCRec, *winPrivGCPtr;


/*
 * Pixmap privates
 */

typedef struct
{
  HDC			hdcSelected;
  HBITMAP		hBitmap;
  BYTE			*pbBits;
  DWORD			dwScanlineBytes;
  BITMAPINFOHEADER	*pbmih;
} winPrivPixmapRec, *winPrivPixmapPtr;


/*
 * Colormap privates
 */

typedef struct
{
  HPALETTE		hPalette;
  LPDIRECTDRAWPALETTE	lpDDPalette;
  RGBQUAD		rgbColors[WIN_NUM_PALETTE_ENTRIES];
  PALETTEENTRY		peColors[WIN_NUM_PALETTE_ENTRIES];
} winPrivCmapRec, *winPrivCmapPtr;

/*
 * Windows Cursor handling.
 */ 
  
typedef struct {
  /* from GetSystemMetrics */
  int sm_cx;
  int sm_cy;

  BOOL visible;
  HCURSOR handle;
  QueryBestSizeProcPtr QueryBestSize;
  miPointerSpriteFuncPtr spriteFuncs;
} winCursorRec;

/*
 * Screen information structure that we need before privates are available
 * in the server startup sequence.
 */

typedef struct
{
  ScreenPtr		pScreen;
  
  /* Did the user specify a height and width? */
  Bool			fUserGaveHeightAndWidth;

  DWORD			dwScreen;
  DWORD			dwUserWidth;
  DWORD			dwUserHeight;
  DWORD			dwWidth;
  DWORD			dwHeight;
  DWORD			dwWidth_mm;
  DWORD			dwHeight_mm;
  DWORD			dwPaddedWidth;

  /* Did the user specify a screen position? */
  Bool			fUserGavePosition;
  DWORD                 dwInitialX;
  DWORD                 dwInitialY;

  /*
   * dwStride is the number of whole pixels that occupy a scanline,
   * including those pixels that are not displayed.  This is basically
   * a rounding up of the width.
   */
  DWORD			dwStride;

  /* Offset of the screen in the window when using scrollbars */
  DWORD			dwXOffset;
  DWORD			dwYOffset;

  DWORD			dwBPP;
  DWORD			dwDepth;
  DWORD			dwRefreshRate;
  char			*pfb;
  DWORD			dwEngine;
  DWORD			dwEnginePreferred;
  DWORD			dwClipUpdatesNBoxes;
#ifdef XWIN_EMULATEPSEUDO
  Bool			fEmulatePseudo;
#endif
  Bool			fFullScreen;
  Bool			fDecoration;
#ifdef XWIN_MULTIWINDOWEXTWM
  Bool			fMWExtWM;
  Bool			fInternalWM;
  Bool			fAnotherWMRunning;
#endif
  Bool			fRootless;
#ifdef XWIN_MULTIWINDOW
  Bool			fMultiWindow;
#endif
#if defined(XWIN_MULTIWINDOW) || defined(XWIN_MULTIWINDOWEXTWM)
  Bool			fMultiMonitorOverride;
#endif
  Bool                  fMultipleMonitors;
  Bool			fLessPointer;
  Bool			fScrollbars;
  Bool			fNoTrayIcon;
  int			iE3BTimeout;
  /* Windows (Alt+F4) and Unix (Ctrl+Alt+Backspace) Killkey */
  Bool                  fUseWinKillKey;
  Bool                  fUseUnixKillKey;
  Bool			fIgnoreInput;

  /* Did the user explicitly set this screen? */
  Bool			fExplicitScreen;
} winScreenInfo, *winScreenInfoPtr;


/*
 * Screen privates
 */

typedef struct _winPrivScreenRec
{
  winScreenInfoPtr	pScreenInfo;

  Bool			fEnabled;
  Bool			fClosed;
  Bool			fActive;
  Bool			fBadDepth;

  int			iDeltaZ;

  int			iConnectedClients;

  CloseScreenProcPtr	CloseScreen;

  DWORD			dwRedMask;
  DWORD			dwGreenMask;
  DWORD			dwBlueMask;
  DWORD			dwBitsPerRGB;

  DWORD			dwModeKeyStates;

  /* Handle to icons that must be freed */
  HICON			hiconNotifyIcon;

  /* Last width, height, and depth of the Windows display */
  DWORD			dwLastWindowsWidth;
  DWORD			dwLastWindowsHeight;
  DWORD			dwLastWindowsBitsPixel;

  /* Palette management */
  ColormapPtr		pcmapInstalled;

  /* Pointer to the root visual so we only have to look it up once */
  VisualPtr		pRootVisual;

  /* 3 button emulation variables */
  int			iE3BCachedPress;
  Bool			fE3BFakeButton2Sent;

  /* Privates used by shadow fb GDI server */
  HBITMAP		hbmpShadow;
  HDC			hdcScreen;
  HDC			hdcShadow;
  HWND			hwndScreen;
  
  /* Privates used by shadow fb and primary fb DirectDraw servers */
  LPDIRECTDRAW		pdd;
  LPDIRECTDRAWSURFACE2	pddsPrimary;
  LPDIRECTDRAW2		pdd2;

  /* Privates used by shadow fb DirectDraw server */
  LPDIRECTDRAWSURFACE2	pddsShadow;
  LPDDSURFACEDESC	pddsdShadow;

  /* Privates used by primary fb DirectDraw server */
  LPDIRECTDRAWSURFACE2	pddsOffscreen;
  LPDDSURFACEDESC	pddsdOffscreen;
  LPDDSURFACEDESC	pddsdPrimary;

  /* Privates used by shadow fb DirectDraw Nonlocking server */
  LPDIRECTDRAW4		pdd4;
  LPDIRECTDRAWSURFACE4	pddsShadow4;
  LPDIRECTDRAWSURFACE4	pddsPrimary4;
  BOOL			fRetryCreateSurface;

  /* Privates used by both shadow fb DirectDraw servers */
  LPDIRECTDRAWCLIPPER	pddcPrimary;

#ifdef XWIN_MULTIWINDOWEXTWM
  /* Privates used by multi-window external window manager */
  RootlessFrameID	widTop;
  Bool			fRestacking;
#endif

#ifdef XWIN_MULTIWINDOW
  /* Privates used by multi-window */
  pthread_t		ptWMProc;
  pthread_t		ptXMsgProc;
  void			*pWMInfo;
#endif

#if defined(XWIN_MULTIWINDOW) || defined(XWIN_MULTIWINDOWEXTWM)
  /* Privates used by both multi-window and rootless */
  Bool			fRootWindowShown;
#endif

#if defined(XWIN_CLIPBOARD) || defined(XWIN_MULTIWINDOW)
  /* Privates used for any module running in a seperate thread */
  pthread_mutex_t	pmServerStarted;
  Bool			fServerStarted;
#endif
  
  /* Engine specific functions */
  winAllocateFBProcPtr			pwinAllocateFB;
  winShadowUpdateProcPtr		pwinShadowUpdate;
  winCloseScreenProcPtr			pwinCloseScreen;
  winInitVisualsProcPtr			pwinInitVisuals;
  winAdjustVideoModeProcPtr		pwinAdjustVideoMode;
  winCreateBoundingWindowProcPtr	pwinCreateBoundingWindow;
  winFinishScreenInitProcPtr		pwinFinishScreenInit;
  winBltExposedRegionsProcPtr		pwinBltExposedRegions;
  winActivateAppProcPtr			pwinActivateApp;
  winRedrawScreenProcPtr		pwinRedrawScreen;
  winRealizeInstalledPaletteProcPtr	pwinRealizeInstalledPalette;
  winInstallColormapProcPtr		pwinInstallColormap;
  winStoreColorsProcPtr			pwinStoreColors;
  winCreateColormapProcPtr		pwinCreateColormap;
  winDestroyColormapProcPtr		pwinDestroyColormap;
  winHotKeyAltTabProcPtr		pwinHotKeyAltTab;
  winCreatePrimarySurfaceProcPtr	pwinCreatePrimarySurface;
  winReleasePrimarySurfaceProcPtr	pwinReleasePrimarySurface;

#ifdef XWIN_MULTIWINDOW
  /* Window Procedures for MultiWindow mode */
  winFinishCreateWindowsWindowProcPtr	pwinFinishCreateWindowsWindow;
#endif

  /* Window Procedures for Rootless mode */
  CreateWindowProcPtr			CreateWindow;
  DestroyWindowProcPtr			DestroyWindow;
  PositionWindowProcPtr			PositionWindow;
  ChangeWindowAttributesProcPtr		ChangeWindowAttributes;
  RealizeWindowProcPtr			RealizeWindow;
  UnrealizeWindowProcPtr		UnrealizeWindow;
  ValidateTreeProcPtr			ValidateTree;
  PostValidateTreeProcPtr		PostValidateTree;
  WindowExposuresProcPtr		WindowExposures;
  PaintWindowBackgroundProcPtr		PaintWindowBackground;
  PaintWindowBorderProcPtr		PaintWindowBorder;
  CopyWindowProcPtr			CopyWindow;
  ClearToBackgroundProcPtr		ClearToBackground;
  ClipNotifyProcPtr			ClipNotify;
  RestackWindowProcPtr			RestackWindow;
  ReparentWindowProcPtr			ReparentWindow;
  ResizeWindowProcPtr			ResizeWindow;
  MoveWindowProcPtr			MoveWindow;
#ifdef SHAPE
  SetShapeProcPtr			SetShape;
#endif

  winCursorRec                          cursor;
} winPrivScreenRec;


#ifdef XWIN_MULTIWINDOWEXTWM
typedef struct {
  RootlessWindowPtr	pFrame;
  HWND			hWnd;
  int			dwWidthBytes;
  BITMAPINFOHEADER	*pbmihShadow;
  HBITMAP		hbmpShadow;
  HDC			hdcShadow;
  HDC			hdcScreen;
  BOOL			fResized;
  BOOL			fRestackingNow;
  BOOL			fClose;
  BOOL			fMovingOrSizing;
  BOOL			fDestroyed;//for debug
  char			*pfb;
} win32RootlessWindowRec, *win32RootlessWindowPtr;
#endif


typedef struct {
  pointer		value;
  XID			id;
} WindowIDPairRec, *WindowIDPairPtr;


/*
 * Extern declares for general global variables
 */

extern winScreenInfo		g_ScreenInfo[];
extern miPointerScreenFuncRec	g_winPointerCursorFuncs;
extern DWORD			g_dwEvents;
#ifdef HAS_DEVWINDOWS
extern int			g_fdMessageQueue;
#endif
extern int			g_iScreenPrivateIndex;
extern int			g_iCmapPrivateIndex;
extern int			g_iGCPrivateIndex;
extern int			g_iPixmapPrivateIndex;
extern int			g_iWindowPrivateIndex;
extern unsigned long		g_ulServerGeneration;
extern CARD32			g_c32LastInputEventTime;
extern DWORD			g_dwEnginesSupported;
extern HINSTANCE		g_hInstance;
extern int                      g_copyROP[];
extern int                      g_patternROP[];
extern const char *		g_pszQueryHost;


/*
 * Extern declares for dynamically loaded libraries and function pointers
 */

extern HMODULE			g_hmodDirectDraw;
extern FARPROC			g_fpDirectDrawCreate;
extern FARPROC			g_fpDirectDrawCreateClipper;

extern HMODULE			g_hmodCommonControls;
extern FARPROC			g_fpTrackMouseEvent;


/*
 * Screen privates macros
 */

#define winGetScreenPriv(pScreen) \
	((winPrivScreenPtr) (pScreen)->devPrivates[g_iScreenPrivateIndex].ptr)

#define winSetScreenPriv(pScreen,v) \
	((pScreen)->devPrivates[g_iScreenPrivateIndex].ptr = (pointer) v)

#define winScreenPriv(pScreen) \
	winPrivScreenPtr pScreenPriv = winGetScreenPriv(pScreen)


/*
 * Colormap privates macros
 */

#define winGetCmapPriv(pCmap) \
	((winPrivCmapPtr) (pCmap)->devPrivates[g_iCmapPrivateIndex].ptr)

#define winSetCmapPriv(pCmap,v) \
	((pCmap)->devPrivates[g_iCmapPrivateIndex].ptr = (pointer) v)

#define winCmapPriv(pCmap) \
	winPrivCmapPtr pCmapPriv = winGetCmapPriv(pCmap)


/*
 * GC privates macros
 */

#define winGetGCPriv(pGC) \
	((winPrivGCPtr) (pGC)->devPrivates[g_iGCPrivateIndex].ptr)

#define winSetGCPriv(pGC,v) \
	((pGC)->devPrivates[g_iGCPrivateIndex].ptr = (pointer) v)

#define winGCPriv(pGC) \
	winPrivGCPtr pGCPriv = winGetGCPriv(pGC)


/*
 * Pixmap privates macros
 */

#define winGetPixmapPriv(pPixmap) \
	((winPrivPixmapPtr) (pPixmap)->devPrivates[g_iPixmapPrivateIndex].ptr)

#define winSetPixmapPriv(pPixmap,v) \
	((pPixmap)->devPrivates[g_iPixmapPrivateIndex].ptr = (pointer) v)

#define winPixmapPriv(pPixmap) \
	winPrivPixmapPtr pPixmapPriv = winGetPixmapPriv(pPixmap)


/*
 * Window privates macros
 */

#define winGetWindowPriv(pWin) \
	((winPrivWinPtr) (pWin)->devPrivates[g_iWindowPrivateIndex].ptr)

#define winSetWindowPriv(pWin,v) \
	((pWin)->devPrivates[g_iWindowPrivateIndex].ptr = (pointer) v)

#define winWindowPriv(pWin) \
	winPrivWinPtr pWinPriv = winGetWindowPriv(pWin)

/*
 * wrapper macros 
 */
#define _WIN_WRAP(priv, real, mem, func) {\
    priv->mem = real->mem; \
    real->mem = func; \
}

#define _WIN_UNWRAP(priv, real, mem) {\
    real->mem = priv->mem; \
}

#define WIN_WRAP(mem, func) _WIN_WRAP(pScreenPriv, pScreen, mem, func) 

#define WIN_UNWRAP(mem) _WIN_UNWRAP(pScreenPriv, pScreen, mem)

/*
 * BEGIN DDX and DIX Function Prototypes
 */


/*
 * winallpriv.c
 */

Bool
winAllocatePrivates (ScreenPtr pScreen);

Bool
winInitCmapPrivates (ColormapPtr pCmap, int index);

Bool
winAllocateCmapPrivates (ColormapPtr pCmap);


/*
 * winauth.c
 */

#if defined(XWIN_CLIPBOARD) || defined(XWIN_MULTIWINDOW)
# if defined(XCSECURITY)  
Bool
winGenerateAuthorization (void);
# endif
#endif


/*
 * winblock.c
 */

void
winBlockHandler (int nScreen,
		 pointer pBlockData,
		 pointer pTimeout,
		 pointer pReadMask);


#ifdef XWIN_NATIVEGDI
/*
 * winclip.c
 */

RegionPtr
winPixmapToRegionNativeGDI (PixmapPtr pPix);
#endif


#ifdef XWIN_CLIPBOARD
/*
 * winclipboardinit.c
 */

Bool
winInitClipboard (void);

void
winFixClipboardChain (void);
#endif


/*
 * wincmap.c
 */

void
winSetColormapFunctions (ScreenPtr pScreen);

Bool
winCreateDefColormap (ScreenPtr pScreen);


/*
 * wincreatewnd.c
 */

Bool
winCreateBoundingWindowFullScreen (ScreenPtr pScreen);

Bool
winCreateBoundingWindowWindowed (ScreenPtr pScreen);


/*
 * windialogs.c
 */

void
winDisplayExitDialog (winPrivScreenPtr pScreenPriv);

void
winDisplayDepthChangeDialog (winPrivScreenPtr pScreenPriv);

void
winDisplayAboutDialog (winPrivScreenPtr pScreenPriv);


/*
 * winengine.c
 */

void
winDetectSupportedEngines (void);

Bool
winSetEngine (ScreenPtr pScreen);

Bool
winGetDDProcAddresses (void);


/*
 * winerror.c
 */

#ifdef DDXOSVERRORF
void
OSVenderVErrorF (const char *pszFormat, va_list va_args);
#endif

void
winMessageBoxF (const char *pszError, UINT uType, ...);


#ifdef XWIN_NATIVEGDI
/*
 * winfillsp.c
 */

void
winFillSpansNativeGDI (DrawablePtr	pDrawable,
		       GCPtr		pGC,
		       int		nSpans,
		       DDXPointPtr	pPoints,
		       int		*pWidths,
		       int		fSorted);
#endif


#ifdef XWIN_NATIVEGDI
/*
 * winfont.c
 */

Bool
winRealizeFontNativeGDI (ScreenPtr pScreen, FontPtr pFont);

Bool
winUnrealizeFontNativeGDI (ScreenPtr pScreen, FontPtr pFont);
#endif


#ifdef XWIN_NATIVEGDI
/*
 * wingc.c
 */

Bool
winCreateGCNativeGDI (GCPtr pGC);
#endif


#ifdef XWIN_NATIVEGDI
/*
 * wingetsp.c
 */

void
winGetSpansNativeGDI (DrawablePtr	pDrawable, 
		      int		wMax, 
		      DDXPointPtr	pPoints, 
		      int		*pWidths, 
		      int		nSpans, 
		      char		*pDst);
#endif


/*
 * winglobals.c
 */

void
winInitializeGlobals (void);


/*
 * winkeybd.c
 */

void
winTranslateKey (WPARAM wParam, LPARAM lParam, int *piScanCode);

int
winKeybdProc (DeviceIntPtr pDeviceInt, int iState);

void
winInitializeModeKeyStates (void);

void
winRestoreModeKeyStates (void);

Bool
winIsFakeCtrl_L (UINT message, WPARAM wParam, LPARAM lParam);

void
winKeybdReleaseKeys (void);

void
winSendKeyEvent (DWORD dwKey, Bool fDown);


/*
 * winkeyhook.c
 */

Bool
winInstallKeyboardHookLL ();

void
winRemoveKeyboardHookLL ();


/*
 * winmisc.c
 */

#ifdef XWIN_NATIVEGDI
void
winQueryBestSizeNativeGDI (int class, unsigned short *pWidth,
			   unsigned short *pHeight, ScreenPtr pScreen);
#endif

CARD8
winCountBits (DWORD dw);

Bool
winUpdateFBPointer (ScreenPtr pScreen, void *pbits);

#ifdef XWIN_NATIVEGDI
BOOL
winPaintBackground (HWND hwnd, COLORREF colorref);
#endif


/*
 * winmouse.c
 */

int
winMouseProc (DeviceIntPtr pDeviceInt, int iState);

int
winMouseWheel (ScreenPtr pScreen, int iDeltaZ);

void
winMouseButtonsSendEvent (int iEventType, int iButton);

int
winMouseButtonsHandle (ScreenPtr pScreen,
		       int iEventType, int iButton,
		       WPARAM wParam);

#ifdef XWIN_NATIVEGDI
/*
 * winnativegdi.c
 */

HBITMAP
winCreateDIBNativeGDI (int iWidth, int iHeight, int iDepth,
		       BYTE **ppbBits, BITMAPINFO **ppbmi);

Bool
winSetEngineFunctionsNativeGDI (ScreenPtr pScreen);
#endif


#ifdef XWIN_PRIMARYFB
/*
 * winpfbddd.c
 */

Bool
winSetEngineFunctionsPrimaryDD (ScreenPtr pScreen);
#endif


#ifdef XWIN_NATIVEGDI
/*
 * winpixmap.c
 */

PixmapPtr
winCreatePixmapNativeGDI (ScreenPtr pScreen, int width, int height, int depth);

Bool
winDestroyPixmapNativeGDI (PixmapPtr pPixmap);

Bool
winModifyPixmapHeaderNativeGDI (PixmapPtr pPixmap,
				int iWidth, int iHeight,
				int iDepth,
				int iBitsPerPixel,
				int devKind,
				pointer pPixData);
#endif


#ifdef XWIN_NATIVEGDI
/*
 * winpntwin.c
 */

void
winPaintWindowNativeGDI (WindowPtr pWin, RegionPtr pRegion, int what);
#endif


#ifdef XWIN_NATIVEGDI
/*
 * winpolyline.c
 */

void
winPolyLineNativeGDI (DrawablePtr	pDrawable,
		      GCPtr		pGC,
		      int		mode,
		      int		npt,
		      DDXPointPtr	ppt);
#endif


#ifdef XWIN_NATIVEGDI
/*
 * winpushpxl.c
 */

void
winPushPixels (GCPtr pGC, PixmapPtr pBitMap, DrawablePtr pDrawable,
	       int dx, int dy, int xOrg, int yOrg);
#endif


/*
 * winscrinit.c
 */

Bool
winScreenInit (int index,
	       ScreenPtr pScreen,
	       int argc, char **argv);

Bool
winFinishScreenInitFB (int index,
		       ScreenPtr pScreen,
		       int argc, char **argv);

#if defined(XWIN_NATIVEGDI)
Bool
winFinishScreenInitNativeGDI (int index,
			      ScreenPtr pScreen,
			      int argc, char **argv);
#endif


#ifdef XWIN_NATIVEGDI
/*
 * winsetsp.c
 */

void
winSetSpansNativeGDI (DrawablePtr	pDrawable,
		      GCPtr		pGC,
		      char		*pSrc,
		      DDXPointPtr	pPoints,
		      int		*pWidth,
		      int		nSpans,
		      int		fSorted);
#endif


/*
 * winshaddd.c
 */

Bool
winSetEngineFunctionsShadowDD (ScreenPtr pScreen);


/*
 * winshadddnl.c
 */

Bool
winSetEngineFunctionsShadowDDNL (ScreenPtr pScreen);


/*
 * winshadgdi.c
 */

Bool
winSetEngineFunctionsShadowGDI (ScreenPtr pScreen);


/*
 * winwakeup.c
 */

void
winWakeupHandler (int nScreen,
		  pointer pWakeupData,
		  unsigned long ulResult,
		  pointer pReadmask);


/*
 * winwindow.c
 */

#ifdef XWIN_NATIVEGDI
Bool
winCreateWindowNativeGDI (WindowPtr pWin);

Bool
winDestroyWindowNativeGDI (WindowPtr pWin);

Bool
winPositionWindowNativeGDI (WindowPtr pWin, int x, int y);

void 
winCopyWindowNativeGDI (WindowPtr pWin,
			DDXPointRec ptOldOrg,
			RegionPtr prgnSrc);

Bool
winChangeWindowAttributesNativeGDI (WindowPtr pWin, unsigned long mask);

Bool
winUnmapWindowNativeGDI (WindowPtr pWindow);

Bool
winMapWindowNativeGDI (WindowPtr pWindow);
#endif

Bool
winCreateWindowRootless (WindowPtr pWindow);

Bool
winDestroyWindowRootless (WindowPtr pWindow);

Bool
winPositionWindowRootless (WindowPtr pWindow, int x, int y);

Bool
winChangeWindowAttributesRootless (WindowPtr pWindow, unsigned long mask);

Bool
winUnmapWindowRootless (WindowPtr pWindow);

Bool
winMapWindowRootless (WindowPtr pWindow);

#ifdef SHAPE
void
winSetShapeRootless (WindowPtr pWindow);
#endif


/*
 * winmultiwindowicons.c - Used by both multi-window and Win32Rootless
 */

HICON
winXIconToHICON (WindowPtr pWin, int iconSize);


#ifdef XWIN_MULTIWINDOW
/*
 * winmultiwindowshape.c
 */

# ifdef SHAPE
void
winReshapeMultiWindow (WindowPtr pWin);

void
winSetShapeMultiWindow (WindowPtr pWindow);

void
winUpdateRgnMultiWindow (WindowPtr pWindow);
# endif
#endif


#ifdef XWIN_MULTIWINDOW
/*
 * winmultiwindowwindow.c
 */

Bool
winCreateWindowMultiWindow (WindowPtr pWindow);

Bool
winDestroyWindowMultiWindow (WindowPtr pWindow);

Bool
winPositionWindowMultiWindow (WindowPtr pWindow, int x, int y);

Bool
winChangeWindowAttributesMultiWindow (WindowPtr pWindow, unsigned long mask);

Bool
winUnmapWindowMultiWindow (WindowPtr pWindow);

Bool
winMapWindowMultiWindow (WindowPtr pWindow);

void
winReparentWindowMultiWindow (WindowPtr pWin, WindowPtr pPriorParent);

void
winRestackWindowMultiWindow (WindowPtr pWin, WindowPtr pOldNextSib);

void
winReorderWindowsMultiWindow (void);

void
winResizeWindowMultiWindow (WindowPtr pWin, int x, int y, unsigned int w,
			    unsigned int h, WindowPtr pSib);
void
winMoveWindowMultiWindow (WindowPtr pWin, int x, int y,
			  WindowPtr pSib, VTKind kind);

void
winCopyWindowMultiWindow (WindowPtr pWin, DDXPointRec oldpt,
			  RegionPtr oldRegion);

XID
winGetWindowID (WindowPtr pWin);

int
winAdjustXWindow (WindowPtr pWin, HWND hwnd);
#endif


#ifdef XWIN_MULTIWINDOW
/*
 * winmultiwindowwndproc.c
 */

LRESULT CALLBACK
winTopLevelWindowProc (HWND hwnd, UINT message, 
		       WPARAM wParam, LPARAM lParam);
#endif


/*
 * wintrayicon.c
 */

void
winInitNotifyIcon (winPrivScreenPtr pScreenPriv);

void
winDeleteNotifyIcon (winPrivScreenPtr pScreenPriv);

LRESULT
winHandleIconMessage (HWND hwnd, UINT message,
		      WPARAM wParam, LPARAM lParam,
		      winPrivScreenPtr pScreenPriv);


/*
 * winwndproc.c
 */

LRESULT CALLBACK
winWindowProc (HWND hWnd, UINT message, 
	       WPARAM wParam, LPARAM lParam);


#ifdef XWIN_MULTIWINDOWEXTWM
/*
 * winwin32rootless.c
 */

Bool
winMWExtWMCreateFrame (RootlessWindowPtr pFrame, ScreenPtr pScreen,
			     int newX, int newY, RegionPtr pShape);

void
winMWExtWMDestroyFrame (RootlessFrameID wid);

void
winMWExtWMMoveFrame (RootlessFrameID wid, ScreenPtr pScreen, int newX, int newY);

void
winMWExtWMResizeFrame (RootlessFrameID wid, ScreenPtr pScreen,
			     int newX, int newY, unsigned int newW, unsigned int newH,
			     unsigned int gravity);

void
winMWExtWMRestackFrame (RootlessFrameID wid, RootlessFrameID nextWid);

void
winMWExtWMReshapeFrame (RootlessFrameID wid, RegionPtr pShape);

void
winMWExtWMUnmapFrame (RootlessFrameID wid);

void
winMWExtWMStartDrawing (RootlessFrameID wid, char **pixelData, int *bytesPerRow);

void
winMWExtWMStopDrawing (RootlessFrameID wid, Bool flush);

void
winMWExtWMUpdateRegion (RootlessFrameID wid, RegionPtr pDamage);

void
winMWExtWMDamageRects (RootlessFrameID wid, int count, const BoxRec *rects,
			     int shift_x, int shift_y);

void
winMWExtWMRootlessSwitchWindow (RootlessWindowPtr pFrame, WindowPtr oldWin);

void
winMWExtWMCopyBytes (unsigned int width, unsigned int height,
			   const void *src, unsigned int srcRowBytes,
			   void *dst, unsigned int dstRowBytes);

void
winMWExtWMFillBytes (unsigned int width, unsigned int height, unsigned int value,
			   void *dst, unsigned int dstRowBytes);

int
winMWExtWMCompositePixels (unsigned int width, unsigned int height, unsigned int function,
				 void *src[2], unsigned int srcRowBytes[2],
				 void *mask, unsigned int maskRowBytes,
				 void *dst[2], unsigned int dstRowBytes[2]);

void
winMWExtWMCopyWindow (RootlessFrameID wid, int dstNrects, const BoxRec *dstRects,
			    int dx, int dy);
#endif


#ifdef XWIN_MULTIWINDOWEXTWM
/*
 * winwin32rootlesswindow.c
 */

void
winMWExtWMReorderWindows (ScreenPtr pScreen);

void
winMWExtWMMoveXWindow (WindowPtr pWin, int x, int y);

void
winMWExtWMResizeXWindow (WindowPtr pWin, int w, int h);

void
winMWExtWMMoveResizeXWindow (WindowPtr pWin, int x, int y, int w, int h);

void
winMWExtWMUpdateIcon (Window id);

void
winMWExtWMUpdateWindowDecoration (win32RootlessWindowPtr pRLWinPriv,
				  winScreenInfoPtr pScreenInfo);

wBOOL CALLBACK
winMWExtWMDecorateWindow (HWND hwnd, LPARAM lParam);

Bool
winIsInternalWMRunning (winScreenInfoPtr pScreenInfo);

void
winMWExtWMRestackWindows (ScreenPtr pScreen);
#endif


#ifdef XWIN_MULTIWINDOWEXTWM
/*
 * winwin32rootlesswndproc.c
 */

LRESULT CALLBACK
winMWExtWMWindowProc (HWND hwnd, UINT message, 
			    WPARAM wParam, LPARAM lParam);
#endif


/*
 * winwindowswm.c
 */

void
winWindowsWMSendEvent (int type, unsigned int mask, int which, int arg,
		       Window window, int x, int y, int w, int h);

void
winWindowsWMExtensionInit (void);

/*
 * wincursor.c
 */

Bool
winInitCursor (ScreenPtr pScreen);

/*
 * END DDX and DIX Function Prototypes
 */

#endif /* _WIN_H_ */