include/winproc.h

   1 /*
   2  * Window procedure callbacks definitions
   3  *
   4  * Copyright 1996 Alexandre Julliard
   5  */
   6
   7 #ifndef __WINE_WINPROC_H
   8 #define __WINE_WINPROC_H
   9
  10 #include "windef.h"
  11 #include "wine/winbase16.h"
  12 #include "winnls.h"
  13
  14 typedef enum
  15 {
  16     WIN_PROC_INVALID,
  17     WIN_PROC_16,
  18     WIN_PROC_32A,
  19     WIN_PROC_32W
  20 } WINDOWPROCTYPE;
  21
  22 typedef enum
  23 {
  24     WIN_PROC_CLASS,
  25     WIN_PROC_WINDOW,
  26     WIN_PROC_TIMER
  27 } WINDOWPROCUSER;
  28
  29 typedef void *HWINDOWPROC;  /* Really a pointer to a WINDOWPROC */
  30
  31 typedef struct
  32 {
  33     WPARAM16    wParam;
  34     LPARAM      lParam;
  35     LRESULT     lResult;
  36 } MSGPARAM16;
  37
  38 typedef struct
  39 {
  40     WPARAM    wParam;
  41     LPARAM      lParam;
  42     LRESULT     lResult;
  43 } MSGPARAM;
  44
  45 extern BOOL WINPROC_Init(void);
  46 extern WNDPROC16 WINPROC_GetProc( HWINDOWPROC proc, WINDOWPROCTYPE type );
  47 extern BOOL WINPROC_SetProc( HWINDOWPROC *pFirst, WNDPROC16 func,
  48                                WINDOWPROCTYPE type, WINDOWPROCUSER user );
  49 extern void WINPROC_FreeProc( HWINDOWPROC proc, WINDOWPROCUSER user );
  50 extern WINDOWPROCTYPE WINPROC_GetProcType( HWINDOWPROC proc );
  51
  52 extern INT WINPROC_MapMsg32ATo32W( HWND hwnd, UINT msg, WPARAM *pwparam,
  53                                      LPARAM *plparam );
  54 extern INT WINPROC_MapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM *pwparam,
  55                                      LPARAM *plparam );
  56 extern INT WINPROC_MapMsg16To32A( HWND hwnd, UINT16 msg16, WPARAM16 wParam16,
  57                                     UINT *pmsg32, WPARAM *pwparam32,
  58                                     LPARAM *plparam );
  59 extern INT WINPROC_MapMsg16To32W( HWND hwnd, UINT16 msg16, WPARAM16 wParam16,
  60                                     UINT *pmsg32, WPARAM *pwparam32,
  61                                     LPARAM *plparam );
  62 extern INT WINPROC_MapMsg32ATo16( HWND hwnd, UINT msg32,
  63                                     WPARAM wParam32, UINT16 *pmsg16,
  64                                     WPARAM16 *pwparam16, LPARAM *plparam );
  65 extern INT WINPROC_MapMsg32WTo16( HWND hwnd, UINT msg32,
  66                                     WPARAM wParam32, UINT16 *pmsg16,
  67                                     WPARAM16 *pwparam16, LPARAM *plparam );
  68 extern LRESULT WINPROC_UnmapMsg32ATo32W( HWND hwnd, UINT msg, WPARAM wParam,
  69                                          LPARAM lParam, LRESULT result );
  70 extern void WINPROC_UnmapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM wParam,
  71                                       LPARAM lParam );
  72 extern LRESULT WINPROC_UnmapMsg16To32A( HWND hwnd, UINT msg, WPARAM wParam,
  73                                         LPARAM lParam, LRESULT result );
  74 extern LRESULT WINPROC_UnmapMsg16To32W( HWND hwnd, UINT msg, WPARAM wParam,
  75                                         LPARAM lParam, LRESULT result );
  76 extern void WINPROC_UnmapMsg32ATo16( HWND hwnd, UINT msg, WPARAM wParam,
  77                                      LPARAM lParam, MSGPARAM16* pm16 );
  78 extern void WINPROC_UnmapMsg32WTo16( HWND hwnd, UINT msg, WPARAM wParam,
  79                                      LPARAM lParam, MSGPARAM16* pm16 );
  80
  81 /* map a Unicode string to a 16-bit pointer */
  82 inline static SEGPTR map_str_32W_to_16( LPCWSTR str )
  83 {
  84     LPSTR ret;
  85     INT len;
  86
  87     if (!HIWORD(str)) return (SEGPTR)LOWORD(str);
  88     len = WideCharToMultiByte( CP_ACP, 0, str, -1, NULL, 0, NULL, NULL );
  89     if ((ret = HeapAlloc( GetProcessHeap(), 0, len )))
  90         WideCharToMultiByte( CP_ACP, 0, str, -1, ret, len, NULL, NULL );
  91     return MapLS(ret);
  92 }
  93
  94 /* unmap a Unicode string that was converted to a 16-bit pointer */
  95 inline static void unmap_str_32W_to_16( SEGPTR str )
  96 {
  97     if (!HIWORD(str)) return;
  98     HeapFree( GetProcessHeap(), 0, MapSL(str) );
  99     UnMapLS( str );
 100 }
 101
 102 /* map a 16-bit pointer to a Unicode string */
 103 inline static LPWSTR map_str_16_to_32W( SEGPTR str )
 104 {
 105     LPWSTR ret;
 106     INT len;
 107
 108     if (!HIWORD(str)) return (LPWSTR)(ULONG_PTR)LOWORD(str);
 109     len = MultiByteToWideChar( CP_ACP, 0, MapSL(str), -1, NULL, 0 );
 110     if ((ret = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
 111         MultiByteToWideChar( CP_ACP, 0, MapSL(str), -1, ret, len );
 112     return ret;
 113 }
 114
 115 /* unmap a 16-bit pointer that was converted to a Unicode string */
 116 inline static void unmap_str_16_to_32W( LPCWSTR str )
 117 {
 118     if (HIWORD(str)) HeapFree( GetProcessHeap(), 0, (void *)str );
 119 }
 120
 121 #endif  /* __WINE_WINPROC_H */