xref: /reactos/dll/win32/comdlg32/cdlg32.c (revision 7abc8be1)
1 /*
2  *  Common Dialog Boxes interface (32 bit)
3  *  Find/Replace
4  *
5  * Copyright 1999 Bertho A. Stultiens
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20  */
21 
22 #include <stdarg.h>
23 
24 #define COBJMACROS
25 
26 #include "windef.h"
27 #include "winbase.h"
28 #include "wingdi.h"
29 #include "winuser.h"
30 #include "objbase.h"
31 #include "rpcproxy.h"
32 #include "commdlg.h"
33 #include "cderr.h"
34 #include "wine/debug.h"
35 #include "wine/heap.h"
36 
37 WINE_DEFAULT_DEBUG_CHANNEL(commdlg);
38 
39 #include "cdlg.h"
40 
41 
42 DECLSPEC_HIDDEN HINSTANCE	COMDLG32_hInstance = 0;
43 
44 static DWORD COMDLG32_TlsIndex = TLS_OUT_OF_INDEXES;
45 
46 static HINSTANCE	SHELL32_hInstance;
47 
48 /* SHELL */
49 LPITEMIDLIST (WINAPI *COMDLG32_SHSimpleIDListFromPathAW)(LPCVOID) DECLSPEC_HIDDEN;
50 
51 /***********************************************************************
52  *	DllMain  (COMDLG32.init)
53  *
54  *    Initialization code for the COMDLG32 DLL
55  *
56  * RETURNS:
57  *	FALSE if sibling could not be loaded or instantiated twice, TRUE
58  *	otherwise.
59  */
60 static const char GPA_string[] = "Failed to get entry point %s for hinst = %p\n";
61 #define GPA(dest, hinst, name) \
62 	if(!(dest = (void*)GetProcAddress(hinst,name)))\
63 	{ \
64 	  ERR(GPA_string, debugstr_a(name), hinst); \
65 	  return FALSE; \
66 	}
67 
68 BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD Reason, LPVOID Reserved)
69 {
70 	TRACE("(%p, %d, %p)\n", hInstance, Reason, Reserved);
71 
72 	switch(Reason)
73 	{
74 	case DLL_PROCESS_ATTACH:
75 		COMDLG32_hInstance = hInstance;
76 		DisableThreadLibraryCalls(hInstance);
77 
78 		SHELL32_hInstance = GetModuleHandleA("SHELL32.DLL");
79 
80 		/* SHELL */
81 		GPA(COMDLG32_SHSimpleIDListFromPathAW, SHELL32_hInstance, (LPCSTR)162);
82 		break;
83 
84 	case DLL_PROCESS_DETACH:
85             if (Reserved) break;
86             if (COMDLG32_TlsIndex != TLS_OUT_OF_INDEXES) TlsFree(COMDLG32_TlsIndex);
87             break;
88 	}
89 	return TRUE;
90 }
91 #undef GPA
92 
93 /***********************************************************************
94  *	COMDLG32_AllocMem 			(internal)
95  * Get memory for internal datastructure plus stringspace etc.
96  *	RETURNS
97  *		Success: Pointer to a heap block
98  *		Failure: null
99  */
100 void *COMDLG32_AllocMem(int size)
101 {
102     void *ptr = heap_alloc_zero(size);
103 
104     if (!ptr)
105     {
106         COMDLG32_SetCommDlgExtendedError(CDERR_MEMALLOCFAILURE);
107         return NULL;
108     }
109 
110     return ptr;
111 }
112 
113 
114 /***********************************************************************
115  *	COMDLG32_SetCommDlgExtendedError	(internal)
116  *
117  * Used to set the thread's local error value if a comdlg32 function fails.
118  */
119 void COMDLG32_SetCommDlgExtendedError(DWORD err)
120 {
121 	TRACE("(%08x)\n", err);
122         if (COMDLG32_TlsIndex == TLS_OUT_OF_INDEXES)
123 	  COMDLG32_TlsIndex = TlsAlloc();
124 	if (COMDLG32_TlsIndex != TLS_OUT_OF_INDEXES)
125 	  TlsSetValue(COMDLG32_TlsIndex, (LPVOID)(DWORD_PTR)err);
126 	else
127 	  FIXME("No Tls Space\n");
128 }
129 
130 
131 /***********************************************************************
132  *	CommDlgExtendedError			(COMDLG32.@)
133  *
134  * Get the thread's local error value if a comdlg32 function fails.
135  *	RETURNS
136  *		Current error value which might not be valid
137  *		if a previous call succeeded.
138  */
139 DWORD WINAPI CommDlgExtendedError(void)
140 {
141         if (COMDLG32_TlsIndex != TLS_OUT_OF_INDEXES)
142 	  return (DWORD_PTR)TlsGetValue(COMDLG32_TlsIndex);
143 	else
144 	  return 0; /* we never set an error, so there isn't one */
145 }
146 
147 #ifndef __REACTOS__ /* Win 7 */
148 
149 /*************************************************************************
150  * Implement the CommDlg32 class factory
151  *
152  * (Taken from shdocvw/factory.c; based on implementation in
153  *  ddraw/main.c)
154  */
155 typedef struct
156 {
157     IClassFactory IClassFactory_iface;
158     HRESULT (*cf)(IUnknown*, REFIID, void**);
159 } IClassFactoryImpl;
160 
161 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
162 {
163     return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
164 }
165 
166 /*************************************************************************
167  * CDLGCF_QueryInterface (IUnknown)
168  */
169 static HRESULT WINAPI CDLGCF_QueryInterface(IClassFactory* iface,
170                                             REFIID riid, void **ppobj)
171 {
172     TRACE("%p (%s %p)\n", iface, debugstr_guid(riid), ppobj);
173 
174     if(!ppobj)
175         return E_POINTER;
176 
177     if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IClassFactory, riid))
178     {
179         *ppobj = iface;
180         IClassFactory_AddRef(iface);
181         return S_OK;
182     }
183 
184     WARN("Interface not supported.\n");
185 
186     *ppobj = NULL;
187     return E_NOINTERFACE;
188 }
189 
190 /*************************************************************************
191  * CDLGCF_AddRef (IUnknown)
192  */
193 static ULONG WINAPI CDLGCF_AddRef(IClassFactory *iface)
194 {
195     return 2; /* non-heap based object */
196 }
197 
198 /*************************************************************************
199  * CDLGCF_Release (IUnknown)
200  */
201 static ULONG WINAPI CDLGCF_Release(IClassFactory *iface)
202 {
203     return 1; /* non-heap based object */
204 }
205 
206 /*************************************************************************
207  * CDLGCF_CreateInstance (IClassFactory)
208  */
209 static HRESULT WINAPI CDLGCF_CreateInstance(IClassFactory *iface, IUnknown *pOuter,
210                                             REFIID riid, void **ppobj)
211 {
212     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
213     return This->cf(pOuter, riid, ppobj);
214 }
215 
216 /*************************************************************************
217  * CDLGCF_LockServer (IClassFactory)
218  */
219 static HRESULT WINAPI CDLGCF_LockServer(IClassFactory *iface, BOOL dolock)
220 {
221     TRACE("%p (%d)\n", iface, dolock);
222     return S_OK;
223 }
224 
225 static const IClassFactoryVtbl CDLGCF_Vtbl =
226 {
227     CDLGCF_QueryInterface,
228     CDLGCF_AddRef,
229     CDLGCF_Release,
230     CDLGCF_CreateInstance,
231     CDLGCF_LockServer
232 };
233 
234 /*************************************************************************
235  *              DllGetClassObject (COMMDLG32.@)
236  */
237 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
238 {
239     static IClassFactoryImpl FileOpenDlgClassFactory = {{&CDLGCF_Vtbl}, FileOpenDialog_Constructor};
240     static IClassFactoryImpl FileSaveDlgClassFactory = {{&CDLGCF_Vtbl}, FileSaveDialog_Constructor};
241 
242     TRACE("%s, %s, %p\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
243 
244     if(IsEqualGUID(&CLSID_FileOpenDialog, rclsid))
245         return IClassFactory_QueryInterface(&FileOpenDlgClassFactory.IClassFactory_iface, riid, ppv);
246 
247     if(IsEqualGUID(&CLSID_FileSaveDialog, rclsid))
248         return IClassFactory_QueryInterface(&FileSaveDlgClassFactory.IClassFactory_iface, riid, ppv);
249 
250     return CLASS_E_CLASSNOTAVAILABLE;
251 }
252 
253 /***********************************************************************
254  *          DllRegisterServer (COMMDLG32.@)
255  */
256 HRESULT WINAPI DllRegisterServer(void)
257 {
258 #ifdef __REACTOS__
259     return E_FAIL; // FIXME: __wine_register_resources(COMDLG32_hInstance);
260 #else
261     return __wine_register_resources(COMDLG32_hInstance);
262 #endif
263 }
264 
265 /***********************************************************************
266  *          DllUnregisterServer (COMMDLG32.@)
267  */
268 HRESULT WINAPI DllUnregisterServer(void)
269 {
270 #ifdef __REACTOS__
271     return E_FAIL; // FIXME: __wine_unregister_resources(COMDLG32_hInstance);
272 #else
273     return __wine_unregister_resources(COMDLG32_hInstance);
274 #endif
275 }
276 
277 #endif /* Win 7 */
278