dlls/hhctrl.ocx/hhctrl.c

   1 /*
   2  * hhctrl implementation
   3  *
   4  * Copyright 2004 Krzysztof Foltman
   5  * Copyright 2007 Jacek Caban for CodeWeavers
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "wine/debug.h"
  23
  24 #define INIT_GUID
  25 #include "hhctrl.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(htmlhelp);
  28
  29 HINSTANCE hhctrl_hinstance;
  30 BOOL hh_process = FALSE;
  31
  32 BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD fdwReason, LPVOID lpvReserved)
  33 {
  34     TRACE("(%p,%d,%p)\n", hInstance, fdwReason, lpvReserved);
  35
  36     switch (fdwReason)
  37     {
  38     case DLL_PROCESS_ATTACH:
  39         hhctrl_hinstance = hInstance;
  40         DisableThreadLibraryCalls(hInstance);
  41         break;
  42     case DLL_PROCESS_DETACH:
  43         break;
  44     }
  45     return TRUE;
  46 }
  47
  48 static const char *command_to_string(UINT command)
  49 {
  50 #define X(x) case x: return #x
  51     switch (command)
  52     {
  53         X( HH_DISPLAY_TOPIC );
  54         X( HH_DISPLAY_TOC );
  55         X( HH_DISPLAY_INDEX );
  56         X( HH_DISPLAY_SEARCH );
  57         X( HH_SET_WIN_TYPE );
  58         X( HH_GET_WIN_TYPE );
  59         X( HH_GET_WIN_HANDLE );
  60         X( HH_ENUM_INFO_TYPE );
  61         X( HH_SET_INFO_TYPE );
  62         X( HH_SYNC );
  63         X( HH_RESERVED1 );
  64         X( HH_RESERVED2 );
  65         X( HH_RESERVED3 );
  66         X( HH_KEYWORD_LOOKUP );
  67         X( HH_DISPLAY_TEXT_POPUP );
  68         X( HH_HELP_CONTEXT );
  69         X( HH_TP_HELP_CONTEXTMENU );
  70         X( HH_TP_HELP_WM_HELP );
  71         X( HH_CLOSE_ALL );
  72         X( HH_ALINK_LOOKUP );
  73         X( HH_GET_LAST_ERROR );
  74         X( HH_ENUM_CATEGORY );
  75         X( HH_ENUM_CATEGORY_IT );
  76         X( HH_RESET_IT_FILTER );
  77         X( HH_SET_INCLUSIVE_FILTER );
  78         X( HH_SET_EXCLUSIVE_FILTER );
  79         X( HH_INITIALIZE );
  80         X( HH_UNINITIALIZE );
  81         X( HH_SAFE_DISPLAY_TOPIC );
  82         X( HH_PRETRANSLATEMESSAGE );
  83         X( HH_SET_GLOBAL_PROPERTY );
  84     default: return "???";
  85     }
  86 #undef X
  87 }
  88
  89 /******************************************************************
  90  *              HtmlHelpW (HHCTRL.OCX.15)
  91  */
  92 HWND WINAPI HtmlHelpW(HWND caller, LPCWSTR filename, UINT command, DWORD_PTR data)
  93 {
  94     TRACE("(%p, %s, command=%s, data=%lx)\n",
  95           caller, debugstr_w( filename ),
  96           command_to_string( command ), data);
  97
  98     switch (command)
  99     {
 100     case HH_DISPLAY_TOPIC:
 101     case HH_DISPLAY_TOC:
 102     case HH_DISPLAY_SEARCH:{
 103         static const WCHAR delimW[] = {':',':',0};
 104         HHInfo *info;
 105         BOOL res;
 106         WCHAR chm_file[MAX_PATH];
 107         const WCHAR *index;
 108
 109         FIXME("Not all HH cases handled correctly\n");
 110
 111         index = strstrW(filename, delimW);
 112         if (index)
 113         {
 114             memcpy(chm_file, filename, (index-filename)*sizeof(WCHAR));
 115             chm_file[index-filename] = 0;
 116             filename = chm_file;
 117         }
 118         else
 119         {
 120             if (command!=HH_DISPLAY_SEARCH) /* FIXME - use HH_FTS_QUERYW structure in data */
 121                 index = (const WCHAR*)data;
 122         }
 123
 124         info = CreateHelpViewer(filename);
 125
 126         if (info)
 127         {
 128             if (!index)
 129                 index = info->WinType.pszFile;
 130             res = NavigateToChm(info, info->pCHMInfo->szFile, index);
 131             if(!res)
 132                 ReleaseHelpViewer(info);
 133         }
 134
 135         return NULL; /* FIXME */
 136     }
 137     case HH_HELP_CONTEXT: {
 138         HHInfo *info;
 139         LPWSTR url;
 140
 141         info = CreateHelpViewer(filename);
 142         if(!info)
 143             return NULL;
 144
 145         url = FindContextAlias(info->pCHMInfo, data);
 146         if(!url)
 147             return NULL;
 148
 149         NavigateToUrl(info, url);
 150         hhctrl_free(url);
 151
 152         return NULL; /* FIXME */
 153     }
 154     default:
 155         FIXME("HH case %s not handled.\n", command_to_string( command ));
 156     }
 157
 158     return 0;
 159 }
 160
 161 /******************************************************************
 162  *              HtmlHelpA (HHCTRL.OCX.14)
 163  */
 164 HWND WINAPI HtmlHelpA(HWND caller, LPCSTR filename, UINT command, DWORD_PTR data)
 165 {
 166     WCHAR *wfile = NULL, *wdata = NULL;
 167     DWORD len;
 168     HWND result;
 169
 170     if (filename)
 171     {
 172         len = MultiByteToWideChar( CP_ACP, 0, filename, -1, NULL, 0 );
 173         wfile = hhctrl_alloc(len*sizeof(WCHAR));
 174         MultiByteToWideChar( CP_ACP, 0, filename, -1, wfile, len );
 175     }
 176
 177     if (data)
 178     {
 179         switch(command)
 180         {
 181         case HH_ALINK_LOOKUP:
 182         case HH_DISPLAY_SEARCH:
 183         case HH_DISPLAY_TEXT_POPUP:
 184         case HH_GET_LAST_ERROR:
 185         case HH_GET_WIN_TYPE:
 186         case HH_KEYWORD_LOOKUP:
 187         case HH_SET_WIN_TYPE:
 188         case HH_SYNC:
 189             FIXME("structures not handled yet\n");
 190             break;
 191
 192         case HH_DISPLAY_INDEX:
 193         case HH_DISPLAY_TOPIC:
 194         case HH_DISPLAY_TOC:
 195         case HH_GET_WIN_HANDLE:
 196         case HH_SAFE_DISPLAY_TOPIC:
 197             len = MultiByteToWideChar( CP_ACP, 0, (const char*)data, -1, NULL, 0 );
 198             wdata = hhctrl_alloc(len*sizeof(WCHAR));
 199             MultiByteToWideChar( CP_ACP, 0, (const char*)data, -1, wdata, len );
 200             break;
 201
 202         case HH_CLOSE_ALL:
 203         case HH_HELP_CONTEXT:
 204         case HH_INITIALIZE:
 205         case HH_PRETRANSLATEMESSAGE:
 206         case HH_TP_HELP_CONTEXTMENU:
 207         case HH_TP_HELP_WM_HELP:
 208         case HH_UNINITIALIZE:
 209             /* either scalar or pointer to scalar - do nothing */
 210             break;
 211
 212         default:
 213             FIXME("Unknown command: %s (%d)\n", command_to_string(command), command);
 214             break;
 215         }
 216     }
 217
 218     result = HtmlHelpW( caller, wfile, command, wdata ? (DWORD_PTR)wdata : data );
 219
 220     hhctrl_free(wfile);
 221     hhctrl_free(wdata);
 222     return result;
 223 }
 224
 225 /******************************************************************
 226  *              doWinMain (HHCTRL.OCX.13)
 227  */
 228 int WINAPI doWinMain(HINSTANCE hInstance, LPSTR szCmdLine)
 229 {
 230     MSG msg;
 231
 232     hh_process = TRUE;
 233
 234     /* FIXME: Check szCmdLine for bad arguments */
 235     HtmlHelpA(GetDesktopWindow(), szCmdLine, HH_DISPLAY_TOPIC, 0);
 236
 237     while (GetMessageW(&msg, 0, 0, 0))
 238     {
 239         TranslateMessage(&msg);
 240         DispatchMessageW(&msg);
 241     }
 242
 243     return 0;
 244 }
 245
 246 /******************************************************************
 247  *              DllGetClassObject (HHCTRL.OCX.@)
 248  */
 249 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 250 {
 251     FIXME("(%s %s %p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 252     return CLASS_E_CLASSNOTAVAILABLE;
 253 }