/*
 * USER private definitions
 *
 * Copyright 1993, 2009 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 "winreg.h"
#include "winternl.h"
#include "wine/windef16.h"

/* Wow handlers */

/* the structures must match the corresponding ones in user32 */
struct wow_handlers16
{
    LRESULT (*button_proc)(HWND,UINT,WPARAM,LPARAM,BOOL);
    LRESULT (*combo_proc)(HWND,UINT,WPARAM,LPARAM,BOOL);
    LRESULT (*edit_proc)(HWND,UINT,WPARAM,LPARAM,BOOL);
    LRESULT (*listbox_proc)(HWND,UINT,WPARAM,LPARAM,BOOL);
    LRESULT (*mdiclient_proc)(HWND,UINT,WPARAM,LPARAM,BOOL);
    LRESULT (*scrollbar_proc)(HWND,UINT,WPARAM,LPARAM,BOOL);
    LRESULT (*static_proc)(HWND,UINT,WPARAM,LPARAM,BOOL);
    DWORD   (*wait_message)(DWORD,const HANDLE*,DWORD,DWORD,DWORD);
    HWND    (*create_window)(CREATESTRUCTW*,LPCWSTR,HINSTANCE,BOOL);
    LRESULT (*call_window_proc)(HWND,UINT,WPARAM,LPARAM,LRESULT*,void*);
    LRESULT (*call_dialog_proc)(HWND,UINT,WPARAM,LPARAM,LRESULT*,void*);
    void    (*free_icon_param)(ULONG_PTR);
};

struct wow_handlers32
{
    LRESULT (*button_proc)(HWND,UINT,WPARAM,LPARAM,BOOL);
    LRESULT (*combo_proc)(HWND,UINT,WPARAM,LPARAM,BOOL);
    LRESULT (*edit_proc)(HWND,UINT,WPARAM,LPARAM,BOOL);
    LRESULT (*listbox_proc)(HWND,UINT,WPARAM,LPARAM,BOOL);
    LRESULT (*mdiclient_proc)(HWND,UINT,WPARAM,LPARAM,BOOL);
    LRESULT (*scrollbar_proc)(HWND,UINT,WPARAM,LPARAM,BOOL);
    LRESULT (*static_proc)(HWND,UINT,WPARAM,LPARAM,BOOL);
    DWORD   (*wait_message)(DWORD,const HANDLE*,DWORD,DWORD,DWORD);
    HWND    (*create_window)(CREATESTRUCTW*,LPCWSTR,HINSTANCE,BOOL);
    HWND    (*get_win_handle)(HWND);
    WNDPROC (*alloc_winproc)(WNDPROC,BOOL);
    struct tagDIALOGINFO *(*get_dialog_info)(HWND,BOOL);
    INT     (*dialog_box_loop)(HWND);
    ULONG_PTR (*get_icon_param)(HICON);
    ULONG_PTR (*set_icon_param)(HICON,ULONG_PTR);
};

extern struct wow_handlers32 wow_handlers32 DECLSPEC_HIDDEN;

extern HWND create_window16(CREATESTRUCTW*,LPCWSTR,HINSTANCE,BOOL) DECLSPEC_HIDDEN;
extern void free_module_classes(HINSTANCE16) DECLSPEC_HIDDEN;
extern void register_wow_handlers(void) DECLSPEC_HIDDEN;
extern void WINAPI UserRegisterWowHandlers( const struct wow_handlers16 *new,
                                            struct wow_handlers32 *orig );

static inline HWND WIN_Handle32( HWND16 hwnd16 )
{
    return wow_handlers32.get_win_handle( (HWND)(ULONG_PTR)hwnd16 );
}

typedef LRESULT (*winproc_callback_t)( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
                                       LRESULT *result, void *arg );
typedef LRESULT (*winproc_callback16_t)( HWND16 hwnd, UINT16 msg, WPARAM16 wp, LPARAM lp,
                                         LRESULT *result, void *arg );

extern WNDPROC16 WINPROC_GetProc16( WNDPROC proc, BOOL unicode ) DECLSPEC_HIDDEN;
extern WNDPROC WINPROC_AllocProc16( WNDPROC16 func ) DECLSPEC_HIDDEN;
extern LRESULT WINPROC_CallProc16To32A( winproc_callback_t callback, HWND16 hwnd, UINT16 msg,
                                        WPARAM16 wParam, LPARAM lParam, LRESULT *result, void *arg ) DECLSPEC_HIDDEN;
extern LRESULT WINPROC_CallProc32ATo16( winproc_callback16_t callback, HWND hwnd, UINT msg,
                                        WPARAM wParam, LPARAM lParam, LRESULT *result, void *arg ) DECLSPEC_HIDDEN;

extern void call_WH_CALLWNDPROC_hook( HWND16 hwnd, UINT16 msg, WPARAM16 wp, LPARAM lp ) DECLSPEC_HIDDEN;

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

#define WM_SYSTIMER 0x0118

/* Dialog info structure (must match the user32 one) */
typedef struct tagDIALOGINFO
{
    HWND      hwndFocus;   /* Current control with focus */
    HFONT     hUserFont;   /* Dialog font */
    HMENU     hMenu;       /* Dialog menu */
    UINT      xBaseUnit;   /* Dialog units (depends on the font) */
    UINT      yBaseUnit;
    INT       idResult;    /* EndDialog() result / default pushbutton ID */
    UINT      flags;       /* EndDialog() called for this dialog */
} DIALOGINFO;

#define DF_END  0x0001
#define DF_OWNERENABLED 0x0002

/* HANDLE16 <-> HANDLE conversions */
#define HINSTANCE_16(h32)  (LOWORD(h32))
#define HINSTANCE_32(h16)  ((HINSTANCE)(ULONG_PTR)(h16))

extern HICON16 get_icon_16( HICON icon ) DECLSPEC_HIDDEN;
extern HICON get_icon_32( HICON16 icon16 ) DECLSPEC_HIDDEN;

extern DWORD USER16_AlertableWait DECLSPEC_HIDDEN;
extern WORD USER_HeapSel DECLSPEC_HIDDEN;

#endif /* __WINE_USER_PRIVATE_H */