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 HRESULT 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 }
144
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