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 }
151
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