/*
 * USER private definitions
 *
 * Copyright 1993 Alexandre Julliard
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser 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
 */

#ifndef __WINE_USER_PRIVATE_H
#define __WINE_USER_PRIVATE_H

#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "local.h"

extern WORD USER_HeapSel;

#define USER_HEAP_ALLOC(size) \
            ((HANDLE)(ULONG_PTR)LOCAL_Alloc( USER_HeapSel, LMEM_FIXED, (size) ))
#define USER_HEAP_REALLOC(handle,size) \
            ((HANDLE)(ULONG_PTR)LOCAL_ReAlloc( USER_HeapSel, LOWORD(handle), (size), LMEM_FIXED ))
#define USER_HEAP_FREE(handle) \
            LOCAL_Free( USER_HeapSel, LOWORD(handle) )
#define USER_HEAP_LIN_ADDR(handle)  \
         ((handle) ? MapSL(MAKESEGPTR(USER_HeapSel, LOWORD(handle))) : NULL)

#define GET_WORD(ptr)  (*(const WORD *)(ptr))
#define GET_DWORD(ptr) (*(const DWORD *)(ptr))

/* internal messages codes */
enum wine_internal_message
{
    WM_WINE_DESTROYWINDOW = 0x80000000,
    WM_WINE_SETWINDOWPOS,
    WM_WINE_SHOWWINDOW,
    WM_WINE_SETPARENT,
    WM_WINE_SETWINDOWLONG,
    WM_WINE_ENABLEWINDOW,
    WM_WINE_SETACTIVEWINDOW,
    WM_WINE_KEYBOARD_LL_HOOK,
    WM_WINE_MOUSE_LL_HOOK,
    WM_WINE_FIRST_DRIVER_MSG = 0x80001000,  /* range of messages reserved for the USER driver */
    WM_WINE_LAST_DRIVER_MSG = 0x80001fff
};

struct tagCURSORICONINFO;

typedef struct tagUSER_DRIVER {
    /* keyboard functions */
    HKL    (*pActivateKeyboardLayout)(HKL, UINT);
    void   (*pBeep)(void);
    SHORT  (*pGetAsyncKeyState)(INT);
    INT    (*pGetKeyNameText)(LONG, LPWSTR, INT);
    HKL    (*pGetKeyboardLayout)(DWORD);
    UINT   (*pGetKeyboardLayoutList)(INT, HKL *);
    BOOL   (*pGetKeyboardLayoutName)(LPWSTR);
    HKL    (*pLoadKeyboardLayout)(LPCWSTR, UINT);
    UINT   (*pMapVirtualKeyEx)(UINT, UINT, HKL);
    UINT   (*pSendInput)(UINT, LPINPUT, int);
    INT    (*pToUnicodeEx)(UINT, UINT, LPBYTE, LPWSTR, int, UINT, HKL);
    BOOL   (*pUnloadKeyboardLayout)(HKL);
    SHORT  (*pVkKeyScanEx)(WCHAR, HKL);
    /* mouse functions */
    void   (*pSetCursor)(struct tagCURSORICONINFO *);
    BOOL   (*pGetCursorPos)(LPPOINT);
    BOOL   (*pSetCursorPos)(INT,INT);
    /* screen saver functions */
    BOOL   (*pGetScreenSaveActive)(void);
    void   (*pSetScreenSaveActive)(BOOL);
    /* clipboard functions */
    void   (*pAcquireClipboard)(HWND);                     /* Acquire selection */
    BOOL   (*pCountClipboardFormats)(void);                /* Count available clipboard formats */
    void   (*pEmptyClipboard)(BOOL);                       /* Empty clipboard data */
    BOOL   (*pEndClipboardUpdate)(void);                   /* End clipboard update */
    BOOL   (*pEnumClipboardFormats)(UINT);                 /* Enumerate clipboard formats */
    BOOL   (*pGetClipboardData)(UINT, HANDLE16*, HANDLE*); /* Get specified selection data */
    BOOL   (*pGetClipboardFormatName)(UINT, LPWSTR, UINT); /* Get a clipboard format name */
    BOOL   (*pIsClipboardFormatAvailable)(UINT);           /* Check if specified format is available */
    INT    (*pRegisterClipboardFormat)(LPCWSTR);           /* Register a clipboard format */
    void   (*pResetSelectionOwner)(HWND, BOOL);
    BOOL   (*pSetClipboardData)(UINT, HANDLE16, HANDLE, BOOL);   /* Set specified selection data */
    /* display modes */
    LONG   (*pChangeDisplaySettingsExW)(LPCWSTR,LPDEVMODEW,HWND,DWORD,LPVOID);
    BOOL   (*pEnumDisplaySettingsExW)(LPCWSTR,DWORD,LPDEVMODEW,DWORD);
    /* windowing functions */
    BOOL   (*pCreateWindow)(HWND,CREATESTRUCTA*,BOOL);
    BOOL   (*pDestroyWindow)(HWND);
    HDC    (*pGetDCEx)(HWND,HRGN,DWORD);
    DWORD  (*pMsgWaitForMultipleObjectsEx)(DWORD,const HANDLE*,DWORD,DWORD,DWORD);
    BOOL   (*pReleaseDC)(HWND,HDC,BOOL);
    BOOL   (*pScrollDC)(HDC, INT, INT, const RECT *, const RECT *, HRGN, LPRECT);
    void   (*pSetFocus)(HWND);
    HWND   (*pSetParent)(HWND,HWND);
    BOOL   (*pSetWindowPos)(WINDOWPOS *);
    int    (*pSetWindowRgn)(HWND,HRGN,BOOL);
    void   (*pSetWindowIcon)(HWND,UINT,HICON);
    void   (*pSetWindowStyle)(HWND,DWORD);
    BOOL   (*pSetWindowText)(HWND,LPCWSTR);
    BOOL   (*pShowWindow)(HWND,INT);
    void   (*pSysCommandSizeMove)(HWND,WPARAM);
    HWND   (*pWindowFromDC)(HDC);
    LRESULT (*pWindowMessage)(HWND,UINT,WPARAM,LPARAM);
} USER_DRIVER;

extern USER_DRIVER USER_Driver;

extern HMODULE user32_module;
extern DWORD USER16_AlertableWait;

extern BOOL CLIPBOARD_ReleaseOwner(void);
extern BOOL FOCUS_MouseActivate( HWND hwnd );
extern BOOL HOOK_IsHooked( INT id );
extern void SYSCOLOR_Init(void);
extern HPEN SYSCOLOR_GetPen( INT index );
extern void SYSPARAMS_Init(void);
extern void USER_CheckNotLock(void);
extern BOOL USER_IsExitingThread( DWORD tid );

/* HANDLE16 <-> HANDLE conversions */
#define HCURSOR_16(h32)    (LOWORD(h32))
#define HICON_16(h32)      (LOWORD(h32))
#define HINSTANCE_16(h32)  (LOWORD(h32))

#define HCURSOR_32(h16)    ((HCURSOR)(ULONG_PTR)(h16))
#define HICON_32(h16)      ((HICON)(ULONG_PTR)(h16))
#define HINSTANCE_32(h16)  ((HINSTANCE)(ULONG_PTR)(h16))
#define HMODULE_32(h16)    ((HMODULE)(ULONG_PTR)(h16))

#endif /* __WINE_USER_PRIVATE_H */