dlls/user/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 <stdarg.h>
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "wine/winbase16.h"
  29 #include "winnls.h"
  30
  31 typedef enum
  32 {
  33     WIN_PROC_INVALID,
  34     WIN_PROC_16,
  35     WIN_PROC_32A,
  36     WIN_PROC_32W
  37 } WINDOWPROCTYPE;
  38
  39 typedef struct
  40 {
  41     WPARAM16    wParam;
  42     LPARAM      lParam;
  43     LRESULT     lResult;
  44 } MSGPARAM16;
  45
  46 typedef struct
  47 {
  48     WPARAM    wParam;
  49     LPARAM      lParam;
  50     LRESULT     lResult;
  51 } MSGPARAM;
  52
  53 struct tagWINDOWPROC;
  54
  55 extern WNDPROC16 WINPROC_GetProc( WNDPROC proc, WINDOWPROCTYPE type );
  56 extern WNDPROC WINPROC_AllocProc( WNDPROC func, WINDOWPROCTYPE type );
  57 extern WINDOWPROCTYPE WINPROC_GetProcType( WNDPROC proc );
  58
  59 extern INT WINPROC_MapMsg32ATo32W( HWND hwnd, UINT msg, WPARAM *pwparam,
  60                                      LPARAM *plparam );
  61 extern INT WINPROC_MapMsg16To32A( HWND hwnd, UINT16 msg16, WPARAM16 wParam16,
  62                                     UINT *pmsg32, WPARAM *pwparam32,
  63                                     LPARAM *plparam );
  64 extern INT WINPROC_MapMsg16To32W( HWND hwnd, UINT16 msg16, WPARAM16 wParam16,
  65                                     UINT *pmsg32, WPARAM *pwparam32,
  66                                     LPARAM *plparam );
  67 extern INT WINPROC_MapMsg32ATo16( HWND hwnd, UINT msg32,
  68                                     WPARAM wParam32, UINT16 *pmsg16,
  69                                     WPARAM16 *pwparam16, LPARAM *plparam );
  70 extern INT WINPROC_MapMsg32WTo16( HWND hwnd, UINT msg32,
  71                                     WPARAM wParam32, UINT16 *pmsg16,
  72                                     WPARAM16 *pwparam16, LPARAM *plparam );
  73 extern LRESULT WINPROC_UnmapMsg32ATo32W( HWND hwnd, UINT msg, WPARAM wParam,
  74                                          LPARAM lParam, LRESULT result,
  75                                          WNDPROC dispatch );
  76 extern LRESULT WINPROC_UnmapMsg16To32A( HWND hwnd, UINT msg, WPARAM wParam,
  77                                         LPARAM lParam, LRESULT result );
  78 extern LRESULT WINPROC_UnmapMsg16To32W( HWND hwnd, UINT msg, WPARAM wParam,
  79                                         LPARAM lParam, LRESULT result,
  80                                         WNDPROC dispatch );
  81 extern void WINPROC_UnmapMsg32ATo16( HWND hwnd, UINT msg, WPARAM wParam,
  82                                      LPARAM lParam, MSGPARAM16* pm16 );
  83 extern void WINPROC_UnmapMsg32WTo16( HWND hwnd, UINT msg, WPARAM wParam,
  84                                      LPARAM lParam, MSGPARAM16* pm16 );
  85
  86 /* map a Unicode string to a 16-bit pointer */
  87 inline static SEGPTR map_str_32W_to_16( LPCWSTR str )
  88 {
  89     LPSTR ret;
  90     INT len;
  91
  92     if (!HIWORD(str)) return (SEGPTR)LOWORD(str);
  93     len = WideCharToMultiByte( CP_ACP, 0, str, -1, NULL, 0, NULL, NULL );
  94     if ((ret = HeapAlloc( GetProcessHeap(), 0, len )))
  95         WideCharToMultiByte( CP_ACP, 0, str, -1, ret, len, NULL, NULL );
  96     return MapLS(ret);
  97 }
  98
  99 /* unmap a Unicode string that was converted to a 16-bit pointer */
 100 inline static void unmap_str_32W_to_16( SEGPTR str )
 101 {
 102     if (!HIWORD(str)) return;
 103     HeapFree( GetProcessHeap(), 0, MapSL(str) );
 104     UnMapLS( str );
 105 }
 106
 107 /* map a 16-bit pointer to a Unicode string */
 108 inline static LPWSTR map_str_16_to_32W( SEGPTR str )
 109 {
 110     LPWSTR ret;
 111     INT len;
 112
 113     if (!HIWORD(str)) return (LPWSTR)(ULONG_PTR)LOWORD(str);
 114     len = MultiByteToWideChar( CP_ACP, 0, MapSL(str), -1, NULL, 0 );
 115     if ((ret = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
 116         MultiByteToWideChar( CP_ACP, 0, MapSL(str), -1, ret, len );
 117     return ret;
 118 }
 119
 120 /* unmap a 16-bit pointer that was converted to a Unicode string */
 121 inline static void unmap_str_16_to_32W( LPCWSTR str )
 122 {
 123     if (HIWORD(str)) HeapFree( GetProcessHeap(), 0, (void *)str );
 124 }
 125
 126
 127 /* Class functions */
 128 struct tagCLASS;  /* opaque structure */
 129 struct tagWND;
 130 extern void CLASS_RegisterBuiltinClasses(void);
 131 extern void CLASS_AddWindow( struct tagCLASS *class, struct tagWND *win, WINDOWPROCTYPE type );
 132 extern void CLASS_FreeModuleClasses( HMODULE16 hModule );
 133
 134 #endif  /* __WINE_WINPROC_H */