dlls/oleacc/main.c

   1 /*
   2  * Implementation of the OLEACC dll
   3  *
   4  * Copyright 2003 Mike McCormack for CodeWeavers
   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 "winbase.h"
  24 #include "winuser.h"
  25 #include "ole2.h"
  26
  27 #include "wine/unicode.h"
  28 #include "wine/debug.h"
  29
  30 WINE_DEFAULT_DEBUG_CHANNEL(oleacc);
  31
  32 static HINSTANCE oleacc_handle = 0;
  33
  34 HRESULT WINAPI CreateStdAccessibleObject( HWND hwnd, LONG idObject,
  35                              REFIID riidInterface, void** ppvObject )
  36 {
  37     FIXME("%p %d %s %p\n", hwnd, idObject,
  38           debugstr_guid( riidInterface ), ppvObject );
  39     return E_NOTIMPL;
  40 }
  41
  42 LRESULT WINAPI LresultFromObject( REFIID riid, WPARAM wParam, LPUNKNOWN pAcc )
  43 {
  44     FIXME("%s %ld %p\n", debugstr_guid(riid), wParam, pAcc );
  45     return E_NOTIMPL;
  46 }
  47
  48 HRESULT WINAPI AccessibleObjectFromWindow( HWND hwnd, DWORD dwObjectID,
  49                              REFIID riid, void** ppvObject )
  50 {
  51     FIXME("%p %d %s %p\n", hwnd, dwObjectID,
  52           debugstr_guid( riid ), ppvObject );
  53     return E_NOTIMPL;
  54 }
  55
  56 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason,
  57                     LPVOID lpvReserved)
  58 {
  59     TRACE("%p, %d, %p\n", hinstDLL, fdwReason, lpvReserved);
  60
  61     switch (fdwReason)
  62     {
  63         case DLL_PROCESS_ATTACH:
  64             oleacc_handle = hinstDLL;
  65             DisableThreadLibraryCalls(hinstDLL);
  66             break;
  67     }
  68     return TRUE;
  69 }
  70
  71 HRESULT WINAPI DllRegisterServer(void)
  72 {
  73     FIXME("\n");
  74     return S_OK;
  75 }
  76
  77 HRESULT WINAPI DllUnregisterServer(void)
  78 {
  79     FIXME("\n");
  80     return S_OK;
  81 }
  82
  83 void WINAPI GetOleaccVersionInfo(DWORD* pVersion, DWORD* pBuild)
  84 {
  85     *pVersion = MAKELONG(2,4); /* Windows XP version of oleacc: 4.2.5406.0 */
  86     *pBuild = MAKELONG(0,5406);
  87 }
  88
  89 UINT WINAPI GetRoleTextW(DWORD role, LPWSTR lpRole, UINT rolemax)
  90 {
  91     INT ret;
  92     WCHAR *resptr;
  93
  94     TRACE("%u %p %u\n", role, lpRole, rolemax);
  95
  96     /* return role text length */
  97     if(!lpRole)
  98         return LoadStringW(oleacc_handle, role, (LPWSTR)&resptr, 0);
  99
 100     ret = LoadStringW(oleacc_handle, role, lpRole, rolemax);
 101     if(!(ret > 0)){
 102         if(rolemax > 0) lpRole[0] = '\0';
 103         return 0;
 104     }
 105
 106     return ret;
 107 }
 108
 109 UINT WINAPI GetRoleTextA(DWORD role, LPSTR lpRole, UINT rolemax)
 110 {
 111     UINT length;
 112     WCHAR *roletextW;
 113
 114     TRACE("%u %p %u\n", role, lpRole, rolemax);
 115
 116     length = GetRoleTextW(role, NULL, 0);
 117     if((length == 0) || (lpRole && !rolemax))
 118         return 0;
 119
 120     roletextW = HeapAlloc(GetProcessHeap(), 0, (length + 1)*sizeof(WCHAR));
 121     if(!roletextW)
 122         return 0;
 123
 124     GetRoleTextW(role, roletextW, length + 1);
 125
 126     length = WideCharToMultiByte( CP_ACP, 0, roletextW, -1, NULL, 0, NULL, NULL );
 127
 128     if(!lpRole){
 129         HeapFree(GetProcessHeap(), 0, roletextW);
 130         return length - 1;
 131     }
 132
 133     WideCharToMultiByte( CP_ACP, 0, roletextW, -1, lpRole, rolemax, NULL, NULL );
 134
 135     if(rolemax < length){
 136         lpRole[rolemax-1] = '\0';
 137         length = rolemax;
 138     }
 139
 140     HeapFree(GetProcessHeap(), 0, roletextW);
 141
 142     return length - 1;
 143 }