xref: /reactos/dll/win32/comdlg32/cdlg32.c (revision bae2bac6)
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 
36 WINE_DEFAULT_DEBUG_CHANNEL(commdlg);
37 
38 #include "cdlg.h"
39 
40 
41 DECLSPEC_HIDDEN HINSTANCE	COMDLG32_hInstance = 0;
42 
43 static DWORD COMDLG32_TlsIndex = TLS_OUT_OF_INDEXES;
44 
45 static HINSTANCE	SHELL32_hInstance;
46 static HINSTANCE	SHFOLDER_hInstance;
47 
48 /* ITEMIDLIST */
49 LPITEMIDLIST (WINAPI *COMDLG32_PIDL_ILClone) (LPCITEMIDLIST) DECLSPEC_HIDDEN;
50 LPITEMIDLIST (WINAPI *COMDLG32_PIDL_ILCombine)(LPCITEMIDLIST,LPCITEMIDLIST) DECLSPEC_HIDDEN;
51 LPITEMIDLIST (WINAPI *COMDLG32_PIDL_ILGetNext)(LPITEMIDLIST) DECLSPEC_HIDDEN;
52 BOOL (WINAPI *COMDLG32_PIDL_ILRemoveLastID)(LPCITEMIDLIST) DECLSPEC_HIDDEN;
53 BOOL (WINAPI *COMDLG32_PIDL_ILIsEqual)(LPCITEMIDLIST, LPCITEMIDLIST) DECLSPEC_HIDDEN;
54 UINT (WINAPI *COMDLG32_PIDL_ILGetSize)(LPCITEMIDLIST) DECLSPEC_HIDDEN;
55 
56 /* SHELL */
57 LPVOID (WINAPI *COMDLG32_SHAlloc)(DWORD) DECLSPEC_HIDDEN;
58 DWORD (WINAPI *COMDLG32_SHFree)(LPVOID) DECLSPEC_HIDDEN;
59 BOOL (WINAPI *COMDLG32_SHGetFolderPathW)(HWND,int,HANDLE,DWORD,LPWSTR) DECLSPEC_HIDDEN;
60 LPITEMIDLIST (WINAPI *COMDLG32_SHSimpleIDListFromPathAW)(LPCVOID) DECLSPEC_HIDDEN;
61 
62 /***********************************************************************
63  *	DllMain  (COMDLG32.init)
64  *
65  *    Initialization code for the COMDLG32 DLL
66  *
67  * RETURNS:
68  *	FALSE if sibling could not be loaded or instantiated twice, TRUE
69  *	otherwise.
70  */
71 static const char GPA_string[] = "Failed to get entry point %s for hinst = %p\n";
72 #define GPA(dest, hinst, name) \
73 	if(!(dest = (void*)GetProcAddress(hinst,name)))\
74 	{ \
75 	  ERR(GPA_string, debugstr_a(name), hinst); \
76 	  return FALSE; \
77 	}
78 
79 BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD Reason, LPVOID Reserved)
80 {
81 	TRACE("(%p, %d, %p)\n", hInstance, Reason, Reserved);
82 
83 	switch(Reason)
84 	{
85 	case DLL_PROCESS_ATTACH:
86 		COMDLG32_hInstance = hInstance;
87 		DisableThreadLibraryCalls(hInstance);
88 
89 		SHELL32_hInstance = GetModuleHandleA("SHELL32.DLL");
90 
91 		/* ITEMIDLIST */
92 		GPA(COMDLG32_PIDL_ILIsEqual, SHELL32_hInstance, (LPCSTR)21L);
93 		GPA(COMDLG32_PIDL_ILCombine, SHELL32_hInstance, (LPCSTR)25L);
94 		GPA(COMDLG32_PIDL_ILGetNext, SHELL32_hInstance, (LPCSTR)153L);
95 		GPA(COMDLG32_PIDL_ILClone, SHELL32_hInstance, (LPCSTR)18L);
96 		GPA(COMDLG32_PIDL_ILRemoveLastID, SHELL32_hInstance, (LPCSTR)17L);
97 		GPA(COMDLG32_PIDL_ILGetSize, SHELL32_hInstance, (LPCSTR)152L);
98 
99 		/* SHELL */
100 		GPA(COMDLG32_SHSimpleIDListFromPathAW, SHELL32_hInstance, (LPCSTR)162);
101 		GPA(COMDLG32_SHAlloc, SHELL32_hInstance, (LPCSTR)196L);
102 		GPA(COMDLG32_SHFree, SHELL32_hInstance, (LPCSTR)195L);
103 
104 		/* for the first versions of shell32 SHGetFolderPathW is in SHFOLDER.DLL */
105 		COMDLG32_SHGetFolderPathW = (void*)GetProcAddress(SHELL32_hInstance,"SHGetFolderPathW");
106 		if (!COMDLG32_SHGetFolderPathW)
107 		{
108 		  SHFOLDER_hInstance = LoadLibraryA("SHFOLDER.DLL");
109 		  GPA(COMDLG32_SHGetFolderPathW, SHFOLDER_hInstance,"SHGetFolderPathW");
110 		}
111 
112 		break;
113 
114 	case DLL_PROCESS_DETACH:
115             if (Reserved) break;
116             if (COMDLG32_TlsIndex != TLS_OUT_OF_INDEXES) TlsFree(COMDLG32_TlsIndex);
117             if(SHFOLDER_hInstance) FreeLibrary(SHFOLDER_hInstance);
118             break;
119 	}
120 	return TRUE;
121 }
122 #undef GPA
123 
124 /***********************************************************************
125  *	COMDLG32_AllocMem 			(internal)
126  * Get memory for internal datastructure plus stringspace etc.
127  *	RETURNS
128  *		Success: Pointer to a heap block
129  *		Failure: null
130  */
131 LPVOID COMDLG32_AllocMem(
132 	int size	/* [in] Block size to allocate */
133 ) {
134         LPVOID ptr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
135         if(!ptr)
136         {
137         	COMDLG32_SetCommDlgExtendedError(CDERR_MEMALLOCFAILURE);
138                 return NULL;
139         }
140         return ptr;
141 }
142 
143 
144 /***********************************************************************
145  *	COMDLG32_SetCommDlgExtendedError	(internal)
146  *
147  * Used to set the thread's local error value if a comdlg32 function fails.
148  */
149 void COMDLG32_SetCommDlgExtendedError(DWORD err)
150 {
151 	TRACE("(%08x)\n", err);
152         if (COMDLG32_TlsIndex == TLS_OUT_OF_INDEXES)
153 	  COMDLG32_TlsIndex = TlsAlloc();
154 	if (COMDLG32_TlsIndex != TLS_OUT_OF_INDEXES)
155 	  TlsSetValue(COMDLG32_TlsIndex, (LPVOID)(DWORD_PTR)err);
156 	else
157 	  FIXME("No Tls Space\n");
158 }
159 
160 
161 /***********************************************************************
162  *	CommDlgExtendedError			(COMDLG32.@)
163  *
164  * Get the thread's local error value if a comdlg32 function fails.
165  *	RETURNS
166  *		Current error value which might not be valid
167  *		if a previous call succeeded.
168  */
169 DWORD WINAPI CommDlgExtendedError(void)
170 {
171         if (COMDLG32_TlsIndex != TLS_OUT_OF_INDEXES)
172 	  return (DWORD_PTR)TlsGetValue(COMDLG32_TlsIndex);
173 	else
174 	  return 0; /* we never set an error, so there isn't one */
175 }
176 
177 #ifndef __REACTOS__ /* Win 7 */
178 
179 /*************************************************************************
180  * Implement the CommDlg32 class factory
181  *
182  * (Taken from shdocvw/factory.c; based on implementation in
183  *  ddraw/main.c)
184  */
185 typedef struct
186 {
187     IClassFactory IClassFactory_iface;
188     HRESULT (*cf)(IUnknown*, REFIID, void**);
189 } IClassFactoryImpl;
190 
191 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
192 {
193     return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
194 }
195 
196 /*************************************************************************
197  * CDLGCF_QueryInterface (IUnknown)
198  */
199 static HRESULT WINAPI CDLGCF_QueryInterface(IClassFactory* iface,
200                                             REFIID riid, void **ppobj)
201 {
202     TRACE("%p (%s %p)\n", iface, debugstr_guid(riid), ppobj);
203 
204     if(!ppobj)
205         return E_POINTER;
206 
207     if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IClassFactory, riid))
208     {
209         *ppobj = iface;
210         IClassFactory_AddRef(iface);
211         return S_OK;
212     }
213 
214     WARN("Interface not supported.\n");
215 
216     *ppobj = NULL;
217     return E_NOINTERFACE;
218 }
219 
220 /*************************************************************************
221  * CDLGCF_AddRef (IUnknown)
222  */
223 static ULONG WINAPI CDLGCF_AddRef(IClassFactory *iface)
224 {
225     return 2; /* non-heap based object */
226 }
227 
228 /*************************************************************************
229  * CDLGCF_Release (IUnknown)
230  */
231 static ULONG WINAPI CDLGCF_Release(IClassFactory *iface)
232 {
233     return 1; /* non-heap based object */
234 }
235 
236 /*************************************************************************
237  * CDLGCF_CreateInstance (IClassFactory)
238  */
239 static HRESULT WINAPI CDLGCF_CreateInstance(IClassFactory *iface, IUnknown *pOuter,
240                                             REFIID riid, void **ppobj)
241 {
242     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
243     return This->cf(pOuter, riid, ppobj);
244 }
245 
246 /*************************************************************************
247  * CDLGCF_LockServer (IClassFactory)
248  */
249 static HRESULT WINAPI CDLGCF_LockServer(IClassFactory *iface, BOOL dolock)
250 {
251     TRACE("%p (%d)\n", iface, dolock);
252     return S_OK;
253 }
254 
255 static const IClassFactoryVtbl CDLGCF_Vtbl =
256 {
257     CDLGCF_QueryInterface,
258     CDLGCF_AddRef,
259     CDLGCF_Release,
260     CDLGCF_CreateInstance,
261     CDLGCF_LockServer
262 };
263 
264 /*************************************************************************
265  *              DllGetClassObject (COMMDLG32.@)
266  */
267 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
268 {
269     static IClassFactoryImpl FileOpenDlgClassFactory = {{&CDLGCF_Vtbl}, FileOpenDialog_Constructor};
270     static IClassFactoryImpl FileSaveDlgClassFactory = {{&CDLGCF_Vtbl}, FileSaveDialog_Constructor};
271 
272     TRACE("%s, %s, %p\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
273 
274     if(IsEqualGUID(&CLSID_FileOpenDialog, rclsid))
275         return IClassFactory_QueryInterface(&FileOpenDlgClassFactory.IClassFactory_iface, riid, ppv);
276 
277     if(IsEqualGUID(&CLSID_FileSaveDialog, rclsid))
278         return IClassFactory_QueryInterface(&FileSaveDlgClassFactory.IClassFactory_iface, riid, ppv);
279 
280     return CLASS_E_CLASSNOTAVAILABLE;
281 }
282 
283 /***********************************************************************
284  *          DllRegisterServer (COMMDLG32.@)
285  */
286 HRESULT WINAPI DllRegisterServer(void)
287 {
288 #ifdef __REACTOS__
289     return E_FAIL; // FIXME: __wine_register_resources(COMDLG32_hInstance);
290 #else
291     return __wine_register_resources(COMDLG32_hInstance);
292 #endif
293 }
294 
295 /***********************************************************************
296  *          DllUnregisterServer (COMMDLG32.@)
297  */
298 HRESULT WINAPI DllUnregisterServer(void)
299 {
300 #ifdef __REACTOS__
301     return E_FAIL; // FIXME: __wine_unregister_resources(COMDLG32_hInstance);
302 #else
303     return __wine_unregister_resources(COMDLG32_hInstance);
304 #endif
305 }
306 
307 #endif /* Win 7 */
308