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