dll/win32/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 #define WIN32_NO_STATUS
  22 #define _INC_WINDOWS
  23 #define COM_NO_WINDOWS_H
  24
  25 #include <stdarg.h>
  26 #include <windef.h>
  27 #include <winbase.h>
  28 //#include "winuser.h"
  29 #include <ole2.h>
  30 #include <oleacc.h>
  31
  32 #include <wine/unicode.h>
  33 #include <wine/debug.h>
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(oleacc);
  36
  37 static HINSTANCE oleacc_handle = 0;
  38
  39 HRESULT WINAPI CreateStdAccessibleObject( HWND hwnd, LONG idObject,
  40                              REFIID riidInterface, void** ppvObject )
  41 {
  42     FIXME("%p %d %s %p\n", hwnd, idObject,
  43           debugstr_guid( riidInterface ), ppvObject );
  44     return E_NOTIMPL;
  45 }
  46
  47 HRESULT WINAPI ObjectFromLresult( LRESULT result, REFIID riid, WPARAM wParam, void **ppObject )
  48 {
  49     FIXME("%ld %s %ld %p\n", result, debugstr_guid(riid), wParam, ppObject );
  50     return E_NOTIMPL;
  51 }
  52
  53 LRESULT WINAPI LresultFromObject( REFIID riid, WPARAM wParam, LPUNKNOWN pAcc )
  54 {
  55     FIXME("%s %ld %p\n", debugstr_guid(riid), wParam, pAcc );
  56     return E_NOTIMPL;
  57 }
  58
  59 HRESULT WINAPI AccessibleObjectFromPoint( POINT ptScreen, IAccessible** ppacc, VARIANT* pvarChild )
  60 {
  61     FIXME("{%d,%d} %p %p: stub\n", ptScreen.x, ptScreen.y, ppacc, pvarChild );
  62     return E_NOTIMPL;
  63 }
  64
  65 HRESULT WINAPI AccessibleObjectFromWindow( HWND hwnd, DWORD dwObjectID,
  66                              REFIID riid, void** ppvObject )
  67 {
  68     FIXME("%p %d %s %p\n", hwnd, dwObjectID,
  69           debugstr_guid( riid ), ppvObject );
  70     return E_NOTIMPL;
  71 }
  72
  73 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason,
  74                     LPVOID lpvReserved)
  75 {
  76     TRACE("%p, %d, %p\n", hinstDLL, fdwReason, lpvReserved);
  77
  78     switch (fdwReason)
  79     {
  80         case DLL_PROCESS_ATTACH:
  81             oleacc_handle = hinstDLL;
  82             DisableThreadLibraryCalls(hinstDLL);
  83             break;
  84     }
  85     return TRUE;
  86 }
  87
  88 HRESULT WINAPI DllRegisterServer(void)
  89 {
  90     FIXME("\n");
  91     return S_OK;
  92 }
  93
  94 HRESULT WINAPI DllUnregisterServer(void)
  95 {
  96     FIXME("\n");
  97     return S_OK;
  98 }
  99
 100 void WINAPI GetOleaccVersionInfo(DWORD* pVersion, DWORD* pBuild)
 101 {
 102     *pVersion = MAKELONG(2,4); /* Windows XP version of oleacc: 4.2.5406.0 */
 103     *pBuild = MAKELONG(0,5406);
 104 }
 105
 106 UINT WINAPI GetRoleTextW(DWORD role, LPWSTR lpRole, UINT rolemax)
 107 {
 108     INT ret;
 109     WCHAR *resptr;
 110
 111     TRACE("%u %p %u\n", role, lpRole, rolemax);
 112
 113     /* return role text length */
 114     if(!lpRole)
 115         return LoadStringW(oleacc_handle, role, (LPWSTR)&resptr, 0);
 116
 117     ret = LoadStringW(oleacc_handle, role, lpRole, rolemax);
 118     if(!(ret > 0)){
 119         if(rolemax > 0) lpRole[0] = '\0';
 120         return 0;
 121     }
 122
 123     return ret;
 124 }
 125
 126 UINT WINAPI GetRoleTextA(DWORD role, LPSTR lpRole, UINT rolemax)
 127 {
 128     UINT length;
 129     WCHAR *roletextW;
 130
 131     TRACE("%u %p %u\n", role, lpRole, rolemax);
 132
 133     length = GetRoleTextW(role, NULL, 0);
 134     if((length == 0) || (lpRole && !rolemax))
 135         return 0;
 136
 137     roletextW = HeapAlloc(GetProcessHeap(), 0, (length + 1)*sizeof(WCHAR));
 138     if(!roletextW)
 139         return 0;
 140
 141     GetRoleTextW(role, roletextW, length + 1);
 142
 143     length = WideCharToMultiByte( CP_ACP, 0, roletextW, -1, NULL, 0, NULL, NULL );
 144
 145     if(!lpRole){
 146         HeapFree(GetProcessHeap(), 0, roletextW);
 147         return length - 1;
 148     }
 149
 150     WideCharToMultiByte( CP_ACP, 0, roletextW, -1, lpRole, rolemax, NULL, NULL );
 151
 152     if(rolemax < length){
 153         lpRole[rolemax-1] = '\0';
 154         length = rolemax;
 155     }
 156
 157     HeapFree(GetProcessHeap(), 0, roletextW);
 158
 159     return length - 1;
 160 }