include/winproc.h

   1 /*
   2  * Window procedure callbacks definitions
   3  *
   4  * Copyright 1996 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #ifndef __WINE_WINPROC_H
  22 #define __WINE_WINPROC_H
  23
  24 #include "windef.h"
  25 #include "wine/winbase16.h"
  26 #include "winnls.h"
  27
  28 typedef enum
  29 {
  30     WIN_PROC_INVALID,
  31     WIN_PROC_16,
  32     WIN_PROC_32A,
  33     WIN_PROC_32W
  34 } WINDOWPROCTYPE;
  35
  36 typedef enum
  37 {
  38     WIN_PROC_CLASS,
  39     WIN_PROC_WINDOW,
  40     WIN_PROC_TIMER
  41 } WINDOWPROCUSER;
  42
  43 typedef void *HWINDOWPROC;  /* Really a pointer to a WINDOWPROC */
  44
  45 typedef struct
  46 {
  47     WPARAM16    wParam;
  48     LPARAM      lParam;
  49     LRESULT     lResult;
  50 } MSGPARAM16;
  51
  52 typedef struct
  53 {
  54     WPARAM    wParam;
  55     LPARAM      lParam;
  56     LRESULT     lResult;
  57 } MSGPARAM;
  58
  59 extern BOOL WINPROC_Init(void);
  60 extern WNDPROC16 WINPROC_GetProc( HWINDOWPROC proc, WINDOWPROCTYPE type );
  61 extern BOOL WINPROC_SetProc( HWINDOWPROC *pFirst, WNDPROC16 func,
  62                                WINDOWPROCTYPE type, WINDOWPROCUSER user );
  63 extern void WINPROC_FreeProc( HWINDOWPROC proc, WINDOWPROCUSER user );
  64 extern WINDOWPROCTYPE WINPROC_GetProcType( HWINDOWPROC proc );
  65
  66 extern INT WINPROC_MapMsg32ATo32W( HWND hwnd, UINT msg, WPARAM *pwparam,
  67                                      LPARAM *plparam );
  68 extern INT WINPROC_MapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM *pwparam,
  69                                      LPARAM *plparam );
  70 extern INT WINPROC_MapMsg16To32A( HWND hwnd, UINT16 msg16, WPARAM16 wParam16,
  71                                     UINT *pmsg32, WPARAM *pwparam32,
  72                                     LPARAM *plparam );
  73 extern INT WINPROC_MapMsg16To32W( HWND hwnd, UINT16 msg16, WPARAM16 wParam16,
  74                                     UINT *pmsg32, WPARAM *pwparam32,
  75                                     LPARAM *plparam );
  76 extern INT WINPROC_MapMsg32ATo16( HWND hwnd, UINT msg32,
  77                                     WPARAM wParam32, UINT16 *pmsg16,
  78                                     WPARAM16 *pwparam16, LPARAM *plparam );
  79 extern INT WINPROC_MapMsg32WTo16( HWND hwnd, UINT msg32,
  80                                     WPARAM wParam32, UINT16 *pmsg16,
  81                                     WPARAM16 *pwparam16, LPARAM *plparam );
  82 extern LRESULT WINPROC_UnmapMsg32ATo32W( HWND hwnd, UINT msg, WPARAM wParam,
  83                                          LPARAM lParam, LRESULT result );
  84 extern void WINPROC_UnmapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM wParam,
  85                                       LPARAM lParam );
  86 extern LRESULT WINPROC_UnmapMsg16To32A( HWND hwnd, UINT msg, WPARAM wParam,
  87                                         LPARAM lParam, LRESULT result );
  88 extern LRESULT WINPROC_UnmapMsg16To32W( HWND hwnd, UINT msg, WPARAM wParam,
  89                                         LPARAM lParam, LRESULT result );
  90 extern void WINPROC_UnmapMsg32ATo16( HWND hwnd, UINT msg, WPARAM wParam,
  91                                      LPARAM lParam, MSGPARAM16* pm16 );
  92 extern void WINPROC_UnmapMsg32WTo16( HWND hwnd, UINT msg, WPARAM wParam,
  93                                      LPARAM lParam, MSGPARAM16* pm16 );
  94
  95 /* map a Unicode string to a 16-bit pointer */
  96 inline static SEGPTR map_str_32W_to_16( LPCWSTR str )
  97 {
  98     LPSTR ret;
  99     INT len;
 100
 101     if (!HIWORD(str)) return (SEGPTR)LOWORD(str);
 102     len = WideCharToMultiByte( CP_ACP, 0, str, -1, NULL, 0, NULL, NULL );
 103     if ((ret = HeapAlloc( GetProcessHeap(), 0, len )))
 104         WideCharToMultiByte( CP_ACP, 0, str, -1, ret, len, NULL, NULL );
 105     return MapLS(ret);
 106 }
 107
 108 /* unmap a Unicode string that was converted to a 16-bit pointer */
 109 inline static void unmap_str_32W_to_16( SEGPTR str )
 110 {
 111     if (!HIWORD(str)) return;
 112     HeapFree( GetProcessHeap(), 0, MapSL(str) );
 113     UnMapLS( str );
 114 }
 115
 116 /* map a 16-bit pointer to a Unicode string */
 117 inline static LPWSTR map_str_16_to_32W( SEGPTR str )
 118 {
 119     LPWSTR ret;
 120     INT len;
 121
 122     if (!HIWORD(str)) return (LPWSTR)(ULONG_PTR)LOWORD(str);
 123     len = MultiByteToWideChar( CP_ACP, 0, MapSL(str), -1, NULL, 0 );
 124     if ((ret = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
 125         MultiByteToWideChar( CP_ACP, 0, MapSL(str), -1, ret, len );
 126     return ret;
 127 }
 128
 129 /* unmap a 16-bit pointer that was converted to a Unicode string */
 130 inline static void unmap_str_16_to_32W( LPCWSTR str )
 131 {
 132     if (HIWORD(str)) HeapFree( GetProcessHeap(), 0, (void *)str );
 133 }
 134
 135 #endif  /* __WINE_WINPROC_H */