git.oblomov.eu Git - wine/blob - dlls/user/thunk.c

   1 /*
   2  * USER 16-bit thunks
   3  *
   4  * Copyright 1996, 1997 Alexandre Julliard
   5  * Copyright 1998       Ulrich Weigand
   6  */
   7
   8 #include "windef.h"
   9 #include "wingdi.h"
  10 #include "wine/winuser16.h"
  11 #include "win.h"
  12 #include "callback.h"
  13
  14 /* ### start build ### */
  15 extern WORD CALLBACK THUNK_CallTo16_word_wl   (FARPROC16,WORD,LONG);
  16 extern WORD CALLBACK THUNK_CallTo16_word_wlw  (FARPROC16,WORD,LONG,WORD);
  17 extern WORD CALLBACK THUNK_CallTo16_word_wlwww(FARPROC16,WORD,LONG,WORD,WORD,WORD);
  18 /* ### stop build ### */
  19
  20
  21 /*******************************************************************
  22  *           EnumWindows   (USER.54)
  23  */
  24 BOOL16 WINAPI EnumWindows16( WNDENUMPROC16 func, LPARAM lParam )
  25 {
  26     DECL_THUNK( thunk, func, THUNK_CallTo16_word_wl );
  27     return EnumWindows( (WNDENUMPROC)&thunk, lParam );
  28 }
  29
  30
  31 /**********************************************************************
  32  *           EnumChildWindows   (USER.55)
  33  */
  34 BOOL16 WINAPI EnumChildWindows16( HWND16 parent, WNDENUMPROC16 func, LPARAM lParam )
  35 {
  36     DECL_THUNK( thunk, func, THUNK_CallTo16_word_wl );
  37     return EnumChildWindows( WIN_Handle32(parent), (WNDENUMPROC)&thunk, lParam );
  38 }
  39
  40
  41 /**********************************************************************
  42  *           EnumTaskWindows   (USER.225)
  43  */
  44 BOOL16 WINAPI THUNK_EnumTaskWindows16( HTASK16 hTask, WNDENUMPROC16 func,
  45                                        LPARAM lParam )
  46 {
  47     DECL_THUNK( thunk, func, THUNK_CallTo16_word_wl );
  48     return EnumTaskWindows16( hTask, (WNDENUMPROC16)&thunk, lParam );
  49 }
  50
  51
  52 /***********************************************************************
  53  *           EnumProps   (USER.27)
  54  */
  55 INT16 WINAPI THUNK_EnumProps16( HWND16 hwnd, PROPENUMPROC16 func )
  56 {
  57     DECL_THUNK( thunk, func, THUNK_CallTo16_word_wlw );
  58     return EnumProps16( hwnd, (PROPENUMPROC16)&thunk );
  59 }
  60
  61
  62 /***********************************************************************
  63  *           GrayString   (USER.185)
  64  */
  65 BOOL16 WINAPI THUNK_GrayString16( HDC16 hdc, HBRUSH16 hbr,
  66                                   GRAYSTRINGPROC16 func, LPARAM lParam,
  67                                   INT16 cch, INT16 x, INT16 y,
  68                                   INT16 cx, INT16 cy )
  69 {
  70     DECL_THUNK( thunk, func, THUNK_CallTo16_word_wlw );
  71     if (!func)
  72         return GrayString16( hdc, hbr, NULL, lParam, cch, x, y, cx, cy );
  73     else
  74         return GrayString16( hdc, hbr, (GRAYSTRINGPROC16)&thunk, lParam, cch,
  75                              x, y, cx, cy );
  76 }
  77
  78
  79 /**********************************************************************
  80  *           DrawState    (USER.449)
  81  */
  82 BOOL16 WINAPI DrawState16( HDC16 hdc, HBRUSH16 hbr, DRAWSTATEPROC16 func, LPARAM ldata,
  83                            WPARAM16 wdata, INT16 x, INT16 y, INT16 cx, INT16 cy, UINT16 flags )
  84 {
  85     UINT opcode = flags & 0xf;
  86     DECL_THUNK( thunk, func, THUNK_CallTo16_word_wlwww );
  87
  88     if (opcode == DST_TEXT || opcode == DST_PREFIXTEXT)
  89     {
  90         /* make sure DrawStateA doesn't try to use ldata as a pointer */
  91         if (!wdata) wdata = strlen( MapSL(ldata) );
  92         if (!cx || !cy)
  93         {
  94             SIZE s;
  95             if (!GetTextExtentPoint32A( hdc, MapSL(ldata), wdata, &s )) return FALSE;
  96             if (!cx) cx = s.cx;
  97             if (!cy) cy = s.cy;
  98         }
  99     }
 100     return DrawStateA( hdc, hbr, (DRAWSTATEPROC)&thunk, ldata, wdata, x, y, cx, cy, flags );
 101 }