dlls/comdlg32/cdlg32.c

   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 /*************************************************************************
 178  * Implement the CommDlg32 class factory
 179  *
 180  * (Taken from shdocvw/factory.c; based on implementation in
 181  *  ddraw/main.c)
 182  */
 183 typedef struct
 184 {
 185     IClassFactory IClassFactory_iface;
 186     HRESULT (*cf)(IUnknown*, REFIID, void**);
 187 } IClassFactoryImpl;
 188
 189 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
 190 {
 191     return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
 192 }
 193
 194 /*************************************************************************
 195  * CDLGCF_QueryInterface (IUnknown)
 196  */
 197 static HRESULT WINAPI CDLGCF_QueryInterface(IClassFactory* iface,
 198                                             REFIID riid, void **ppobj)
 199 {
 200     TRACE("%p (%s %p)\n", iface, debugstr_guid(riid), ppobj);
 201
 202     if(!ppobj)
 203         return E_POINTER;
 204
 205     if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IClassFactory, riid))
 206     {
 207         *ppobj = iface;
 208         IClassFactory_AddRef(iface);
 209         return S_OK;
 210     }
 211
 212     WARN("Interface not supported.\n");
 213
 214     *ppobj = NULL;
 215     return E_NOINTERFACE;
 216 }
 217
 218 /*************************************************************************
 219  * CDLGCF_AddRef (IUnknown)
 220  */
 221 static ULONG WINAPI CDLGCF_AddRef(IClassFactory *iface)
 222 {
 223     return 2; /* non-heap based object */
 224 }
 225
 226 /*************************************************************************
 227  * CDLGCF_Release (IUnknown)
 228  */
 229 static ULONG WINAPI CDLGCF_Release(IClassFactory *iface)
 230 {
 231     return 1; /* non-heap based object */
 232 }
 233
 234 /*************************************************************************
 235  * CDLGCF_CreateInstance (IClassFactory)
 236  */
 237 static HRESULT WINAPI CDLGCF_CreateInstance(IClassFactory *iface, IUnknown *pOuter,
 238                                             REFIID riid, void **ppobj)
 239 {
 240     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 241     return This->cf(pOuter, riid, ppobj);
 242 }
 243
 244 /*************************************************************************
 245  * CDLGCF_LockServer (IClassFactory)
 246  */
 247 static HRESULT WINAPI CDLGCF_LockServer(IClassFactory *iface, BOOL dolock)
 248 {
 249     TRACE("%p (%d)\n", iface, dolock);
 250     return S_OK;
 251 }
 252
 253 static const IClassFactoryVtbl CDLGCF_Vtbl =
 254 {
 255     CDLGCF_QueryInterface,
 256     CDLGCF_AddRef,
 257     CDLGCF_Release,
 258     CDLGCF_CreateInstance,
 259     CDLGCF_LockServer
 260 };
 261
 262 /*************************************************************************
 263  *              DllGetClassObject (COMMDLG32.@)
 264  */
 265 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
 266 {
 267     static IClassFactoryImpl FileOpenDlgClassFactory = {{&CDLGCF_Vtbl}, FileOpenDialog_Constructor};
 268     static IClassFactoryImpl FileSaveDlgClassFactory = {{&CDLGCF_Vtbl}, FileSaveDialog_Constructor};
 269
 270     TRACE("%s, %s, %p\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 271
 272     if(IsEqualGUID(&CLSID_FileOpenDialog, rclsid))
 273         return IClassFactory_QueryInterface(&FileOpenDlgClassFactory.IClassFactory_iface, riid, ppv);
 274
 275     if(IsEqualGUID(&CLSID_FileSaveDialog, rclsid))
 276         return IClassFactory_QueryInterface(&FileSaveDlgClassFactory.IClassFactory_iface, riid, ppv);
 277
 278     return CLASS_E_CLASSNOTAVAILABLE;
 279 }
 280
 281 /***********************************************************************
 282  *          DllRegisterServer (COMMDLG32.@)
 283  */
 284 HRESULT WINAPI DllRegisterServer(void)
 285 {
 286     return __wine_register_resources(COMDLG32_hInstance);
 287 }
 288
 289 /***********************************************************************
 290  *          DllUnregisterServer (COMMDLG32.@)
 291  */
 292 HRESULT WINAPI DllUnregisterServer(void)
 293 {
 294     return __wine_unregister_resources(COMDLG32_hInstance);
 295 }