git.oblomov.eu Git - wine/blob - windows/winhelp.c

   1 /*
   2  * Windows Help
   3  */
   4
   5 #include <stdlib.h>
   6 #include <stdio.h>
   7 #include <string.h>
   8 #include <unistd.h>
   9 #include "windows.h"
  10 #include "heap.h"
  11 #include "ldt.h"
  12
  13
  14 /**********************************************************************
  15  *             WinHelp16   (USER.171)
  16  */
  17 BOOL16 WinHelp16( HWND16 hWnd, LPCSTR lpHelpFile, UINT16 wCommand,
  18                   DWORD dwData )
  19 {
  20     return WinHelp32A( hWnd, lpHelpFile, wCommand,
  21                        (DWORD)PTR_SEG_TO_LIN(dwData) );
  22 }
  23
  24
  25 /**********************************************************************
  26  *             WinHelp32A   (USER32.578)
  27  */
  28 BOOL32 WinHelp32A( HWND32 hWnd, LPCSTR lpHelpFile, UINT32 wCommand,
  29                    DWORD dwData )
  30 {
  31         static WORD WM_WINHELP=0;
  32         HWND32 hDest;
  33         LPWINHELP lpwh;
  34         HGLOBAL16 hwh;
  35         int size,dsize,nlen;
  36         if (wCommand != HELP_QUIT)  /* FIXME */
  37             if(WinExec32("winhelp.exe -x",SW_SHOWNORMAL)<=32)
  38                 return FALSE;
  39         /* FIXME: Should be directed yield, to let winhelp open the window */
  40         Yield();
  41         if(!WM_WINHELP) {
  42                 WM_WINHELP=RegisterWindowMessage32A("WM_WINHELP");
  43                 if(!WM_WINHELP)
  44                         return FALSE;
  45         }
  46         hDest = FindWindow32A( "MS_WINHELP", NULL );
  47         if(!hDest)
  48                 if(wCommand == HELP_QUIT)
  49                         return TRUE;
  50                 else
  51                         return FALSE;
  52         switch(wCommand)
  53         {
  54                 case HELP_CONTEXT:
  55                 case HELP_CONTENTS:
  56                 case HELP_SETCONTENTS:
  57                 case HELP_CONTEXTPOPUP:
  58                 case HELP_FORCEFILE:
  59                 case HELP_HELPONHELP:
  60                 case HELP_QUIT:
  61                         dsize=0;
  62                         break;
  63                 case HELP_KEY:
  64                 case HELP_PARTIALKEY:
  65                 case HELP_COMMAND:
  66                         dsize = strlen( (LPSTR)dwData )+1;
  67                         break;
  68                 case HELP_MULTIKEY:
  69                         dsize = ((LPMULTIKEYHELP)dwData)->mkSize;
  70                         break;
  71                 case HELP_SETWINPOS:
  72                         dsize = ((LPHELPWININFO)dwData)->wStructSize;
  73                         break;
  74                 default:
  75                         fprintf(stderr,"Unknown help command %d\n",wCommand);
  76                         return FALSE;
  77         }
  78         if(lpHelpFile)
  79                 nlen = strlen(lpHelpFile)+1;
  80         else
  81                 nlen = 0;
  82         size = sizeof(WINHELP) + nlen + dsize;
  83         hwh = GlobalAlloc16(0,size);
  84         lpwh = GlobalLock16(hwh);
  85         lpwh->size = size;
  86         lpwh->command = wCommand;
  87         lpwh->data = dwData;
  88         if(nlen) {
  89                 strcpy(((char*)lpwh) + sizeof(WINHELP),lpHelpFile);
  90                 lpwh->ofsFilename = sizeof(WINHELP);
  91         } else
  92                 lpwh->ofsFilename = 0;
  93         if(dsize) {
  94                 memcpy(((char*)lpwh)+sizeof(WINHELP)+nlen,(LPSTR)dwData,dsize);
  95                 lpwh->ofsData = sizeof(WINHELP)+nlen;
  96         } else
  97                 lpwh->ofsData = 0;
  98         GlobalUnlock16(hwh);
  99         return SendMessage16(hDest,WM_WINHELP,hWnd,hwh);
 100 }
 101
 102
 103 /**********************************************************************
 104  *             WinHelp32W   (USER32.579)
 105  */
 106 BOOL32 WinHelp32W( HWND32 hWnd, LPCWSTR helpFile, UINT32 command,
 107                    DWORD dwData )
 108 {
 109     LPSTR file = HEAP_strdupWtoA( GetProcessHeap(), 0, helpFile );
 110     BOOL32 ret = WinHelp32A( hWnd, file, command, dwData );
 111     HeapFree( GetProcessHeap(), 0, file );
 112     return ret;
 113 }