base/applications/winhlp32/callback.c

   1 /*
   2  * Help Viewer - DLL callback into WineHelp
   3  *
   4  * Copyright 2004 Eric Pouech
   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include <windef.h>
  23 #include <wingdi.h>
  24 #include <winuser.h>
  25 #include <wine/debug.h>
  26
  27 #include "winhelp.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(winhelp);
  30
  31 static WORD CALLBACK WHD_GetFSError(void)
  32 {
  33     WINE_FIXME("()\n");
  34     return 0;
  35 }
  36
  37 static HANDLE CALLBACK WHD_Open(LPSTR name, BYTE flags)
  38 {
  39     unsigned    mode = 0;
  40
  41     WINE_FIXME("(%s %x)\n", wine_dbgstr_a(name), flags);
  42     switch (flags)
  43     {
  44     case 0: mode = GENERIC_READ | GENERIC_WRITE; break;
  45     case 2: mode = GENERIC_READ; break;
  46     default: WINE_FIXME("Undocumented flags %x\n", flags);
  47     }
  48     return CreateFile(name, mode, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
  49                       OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
  50 }
  51
  52 static WORD CALLBACK WHD_Close(HANDLE fs)
  53 {
  54     WINE_FIXME("(%p)\n", fs);
  55     CloseHandle(fs);
  56     return 0;
  57 }
  58
  59 static HANDLE CALLBACK WHD_OpenBag(HANDLE fs, LPSTR name, BYTE flags)
  60 {
  61     WINE_FIXME("(%p %s %x)\n", fs, name, flags);
  62     return NULL;
  63 }
  64
  65 static HANDLE CALLBACK WHD_CloseBag(HANDLE bag)
  66 {
  67     WINE_FIXME("()\n");
  68     return NULL;
  69 }
  70
  71 static LONG CALLBACK WHD_ReadBag(HANDLE bag, BYTE* ptr, LONG len)
  72 {
  73     WINE_FIXME("()\n");
  74     return 0;
  75 }
  76
  77 static LONG CALLBACK WHD_TellBag(HANDLE bag)
  78 {
  79     WINE_FIXME("()\n");
  80     return 0;
  81 }
  82
  83 static LONG CALLBACK WHD_SeekBag(HANDLE bag, LONG offset, WORD whence)
  84 {
  85     WINE_FIXME("()\n");
  86     return 0;
  87 }
  88
  89 static BOOL CALLBACK WHD_IsEofBag(HANDLE bag)
  90 {
  91     WINE_FIXME("()\n");
  92     return FALSE;
  93 }
  94
  95 static LONG CALLBACK WHD_SizeBag(HANDLE bag)
  96 {
  97     WINE_FIXME("()\n");
  98     return 0;
  99 }
 100
 101 static BOOL CALLBACK WHD_Access(HANDLE fs, LPSTR name, BYTE flags)
 102 {
 103     WINE_FIXME("()\n");
 104     return FALSE;
 105 }
 106
 107 static WORD CALLBACK WHD_LLInfoFromBag(HANDLE bag, WORD opt, LPWORD p1, LPLONG p2, LPLONG p3)
 108 {
 109     WINE_FIXME("()\n");
 110     return 0;
 111 }
 112
 113 static WORD CALLBACK WHD_LLInfoFromFile(HANDLE fs, LPSTR name, WORD opt, LPWORD p1, LPLONG p2, LPLONG p3)
 114 {
 115     WINE_FIXME("()\n");
 116     return 0;
 117 }
 118
 119 static void CALLBACK WHD_Error(int err)
 120 {
 121     WINE_FIXME("()\n");
 122 }
 123
 124 static void CALLBACK WHD_ErrorString(LPSTR err)
 125 {
 126     WINE_FIXME("()\n");
 127 }
 128
 129 static ULONG_PTR CALLBACK WHD_GetInfo(WORD what, HWND hnd)
 130 {
 131     ULONG_PTR ret = 0;
 132
 133     WINE_TRACE("(%x %p)\n", what, hnd);
 134     switch (what)
 135     {
 136     case 0: break;
 137     case 1: /* instance */ ret = (ULONG_PTR)Globals.hInstance; break;
 138     case 3: /* current window */ ret = (ULONG_PTR)Globals.active_win->hMainWnd; break;
 139     case 2: /* main window */
 140     case 4: /* handle to opened file */
 141     case 5: /* foreground color */
 142     case 6: /* background color */
 143     case 7: /* topic number */
 144     case 8: /* current opened file name */
 145         WINE_FIXME("NIY %u\n", what);
 146         break;
 147     default:
 148         WINE_FIXME("Undocumented %u\n", what);
 149         break;
 150     }
 151     return ret;
 152 }
 153
 154 static LONG CALLBACK WHD_API(LPSTR x, WORD xx, DWORD xxx)
 155 {
 156     WINE_FIXME("()\n");
 157     return 0;
 158 }
 159
 160 const struct winhelp_callbacks Callbacks =
 161 {
 162     WHD_GetFSError,
 163     WHD_Open,
 164     WHD_Close,
 165     WHD_OpenBag,
 166     WHD_CloseBag,
 167     WHD_ReadBag,
 168     WHD_TellBag,
 169     WHD_SeekBag,
 170     WHD_IsEofBag,
 171     WHD_SizeBag,
 172     WHD_Access,
 173     WHD_LLInfoFromBag,
 174     WHD_LLInfoFromFile,
 175     WHD_Error,
 176     WHD_ErrorString,
 177     WHD_GetInfo,
 178     WHD_API
 179 };