wine/include/winproc.h
Alexandre Julliard f76967d20c Restructured hook mapping functions to avoid most memory
allocations. Got rid of SEGPTR_* macros.
2001-12-26 19:55:35 +00:00

122 lines
4.2 KiB
C

/*
* Window procedure callbacks definitions
*
* Copyright 1996 Alexandre Julliard
*/
#ifndef __WINE_WINPROC_H
#define __WINE_WINPROC_H
#include "windef.h"
#include "wine/winbase16.h"
#include "winnls.h"
typedef enum
{
WIN_PROC_INVALID,
WIN_PROC_16,
WIN_PROC_32A,
WIN_PROC_32W
} WINDOWPROCTYPE;
typedef enum
{
WIN_PROC_CLASS,
WIN_PROC_WINDOW,
WIN_PROC_TIMER
} WINDOWPROCUSER;
typedef void *HWINDOWPROC; /* Really a pointer to a WINDOWPROC */
typedef struct
{
WPARAM16 wParam;
LPARAM lParam;
LRESULT lResult;
} MSGPARAM16;
typedef struct
{
WPARAM wParam;
LPARAM lParam;
LRESULT lResult;
} MSGPARAM;
extern BOOL WINPROC_Init(void);
extern WNDPROC16 WINPROC_GetProc( HWINDOWPROC proc, WINDOWPROCTYPE type );
extern BOOL WINPROC_SetProc( HWINDOWPROC *pFirst, WNDPROC16 func,
WINDOWPROCTYPE type, WINDOWPROCUSER user );
extern void WINPROC_FreeProc( HWINDOWPROC proc, WINDOWPROCUSER user );
extern WINDOWPROCTYPE WINPROC_GetProcType( HWINDOWPROC proc );
extern INT WINPROC_MapMsg32ATo32W( HWND hwnd, UINT msg, WPARAM *pwparam,
LPARAM *plparam );
extern INT WINPROC_MapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM *pwparam,
LPARAM *plparam );
extern INT WINPROC_MapMsg16To32A( HWND hwnd, UINT16 msg16, WPARAM16 wParam16,
UINT *pmsg32, WPARAM *pwparam32,
LPARAM *plparam );
extern INT WINPROC_MapMsg16To32W( HWND hwnd, UINT16 msg16, WPARAM16 wParam16,
UINT *pmsg32, WPARAM *pwparam32,
LPARAM *plparam );
extern INT WINPROC_MapMsg32ATo16( HWND hwnd, UINT msg32,
WPARAM wParam32, UINT16 *pmsg16,
WPARAM16 *pwparam16, LPARAM *plparam );
extern INT WINPROC_MapMsg32WTo16( HWND hwnd, UINT msg32,
WPARAM wParam32, UINT16 *pmsg16,
WPARAM16 *pwparam16, LPARAM *plparam );
extern LRESULT WINPROC_UnmapMsg32ATo32W( HWND hwnd, UINT msg, WPARAM wParam,
LPARAM lParam, LRESULT result );
extern void WINPROC_UnmapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM wParam,
LPARAM lParam );
extern LRESULT WINPROC_UnmapMsg16To32A( HWND hwnd, UINT msg, WPARAM wParam,
LPARAM lParam, LRESULT result );
extern LRESULT WINPROC_UnmapMsg16To32W( HWND hwnd, UINT msg, WPARAM wParam,
LPARAM lParam, LRESULT result );
extern void WINPROC_UnmapMsg32ATo16( HWND hwnd, UINT msg, WPARAM wParam,
LPARAM lParam, MSGPARAM16* pm16 );
extern void WINPROC_UnmapMsg32WTo16( HWND hwnd, UINT msg, WPARAM wParam,
LPARAM lParam, MSGPARAM16* pm16 );
/* map a Unicode string to a 16-bit pointer */
inline static SEGPTR map_str_32W_to_16( LPCWSTR str )
{
LPSTR ret;
INT len;
if (!HIWORD(str)) return (SEGPTR)LOWORD(str);
len = WideCharToMultiByte( CP_ACP, 0, str, -1, NULL, 0, NULL, NULL );
if ((ret = HeapAlloc( GetProcessHeap(), 0, len )))
WideCharToMultiByte( CP_ACP, 0, str, -1, ret, len, NULL, NULL );
return MapLS(ret);
}
/* unmap a Unicode string that was converted to a 16-bit pointer */
inline static void unmap_str_32W_to_16( SEGPTR str )
{
if (!HIWORD(str)) return;
HeapFree( GetProcessHeap(), 0, MapSL(str) );
UnMapLS( str );
}
/* map a 16-bit pointer to a Unicode string */
inline static LPWSTR map_str_16_to_32W( SEGPTR str )
{
LPWSTR ret;
INT len;
if (!HIWORD(str)) return (LPWSTR)(ULONG_PTR)LOWORD(str);
len = MultiByteToWideChar( CP_ACP, 0, MapSL(str), -1, NULL, 0 );
if ((ret = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
MultiByteToWideChar( CP_ACP, 0, MapSL(str), -1, ret, len );
return ret;
}
/* unmap a 16-bit pointer that was converted to a Unicode string */
inline static void unmap_str_16_to_32W( LPCWSTR str )
{
if (HIWORD(str)) HeapFree( GetProcessHeap(), 0, (void *)str );
}
#endif /* __WINE_WINPROC_H */