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 (COMDLG32_TlsIndex != TLS_OUT_OF_INDEXES) TlsFree(COMDLG32_TlsIndex);
 116             if(SHFOLDER_hInstance) FreeLibrary(SHFOLDER_hInstance);
 117             break;
 118         }
 119         return TRUE;
 120 }
 121 #undef GPA
 122
 123 /***********************************************************************
 124  *      COMDLG32_AllocMem                       (internal)
 125  * Get memory for internal datastructure plus stringspace etc.
 126  *      RETURNS
 127  *              Success: Pointer to a heap block
 128  *              Failure: null
 129  */
 130 LPVOID COMDLG32_AllocMem(
 131         int size        /* [in] Block size to allocate */
 132 ) {
 133         LPVOID ptr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
 134         if(!ptr)
 135         {
 136                 COMDLG32_SetCommDlgExtendedError(CDERR_MEMALLOCFAILURE);
 137                 return NULL;
 138         }
 139         return ptr;
 140 }
 141
 142
 143 /***********************************************************************
 144  *      COMDLG32_SetCommDlgExtendedError        (internal)
 145  *
 146  * Used to set the thread's local error value if a comdlg32 function fails.
 147  */
 148 void COMDLG32_SetCommDlgExtendedError(DWORD err)
 149 {
 150         TRACE("(%08x)\n", err);
 151         if (COMDLG32_TlsIndex == TLS_OUT_OF_INDEXES)
 152           COMDLG32_TlsIndex = TlsAlloc();
 153         if (COMDLG32_TlsIndex != TLS_OUT_OF_INDEXES)
 154           TlsSetValue(COMDLG32_TlsIndex, (LPVOID)(DWORD_PTR)err);
 155         else
 156           FIXME("No Tls Space\n");
 157 }
 158
 159
 160 /***********************************************************************
 161  *      CommDlgExtendedError                    (COMDLG32.@)
 162  *
 163  * Get the thread's local error value if a comdlg32 function fails.
 164  *      RETURNS
 165  *              Current error value which might not be valid
 166  *              if a previous call succeeded.
 167  */
 168 DWORD WINAPI CommDlgExtendedError(void)
 169 {
 170         if (COMDLG32_TlsIndex != TLS_OUT_OF_INDEXES)
 171           return (DWORD_PTR)TlsGetValue(COMDLG32_TlsIndex);
 172         else
 173           return 0; /* we never set an error, so there isn't one */
 174 }
 175
 176 /*************************************************************************
 177  * Implement the CommDlg32 class factory
 178  *
 179  * (Taken from shdocvw/factory.c; based on implementation in
 180  *  ddraw/main.c)
 181  */
 182 typedef struct
 183 {
 184     IClassFactory IClassFactory_iface;
 185     HRESULT (*cf)(IUnknown*, REFIID, void**);
 186 } IClassFactoryImpl;
 187
 188 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
 189 {
 190     return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
 191 }
 192
 193 /*************************************************************************
 194  * CDLGCF_QueryInterface (IUnknown)
 195  */
 196 static HRESULT WINAPI CDLGCF_QueryInterface(IClassFactory* iface,
 197                                             REFIID riid, void **ppobj)
 198 {
 199     TRACE("%p (%s %p)\n", iface, debugstr_guid(riid), ppobj);
 200
 201     if(!ppobj)
 202         return E_POINTER;
 203
 204     if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IClassFactory, riid))
 205     {
 206         *ppobj = iface;
 207         IClassFactory_AddRef(iface);
 208         return S_OK;
 209     }
 210
 211     WARN("Interface not supported.\n");
 212
 213     *ppobj = NULL;
 214     return E_NOINTERFACE;
 215 }
 216
 217 /*************************************************************************
 218  * CDLGCF_AddRef (IUnknown)
 219  */
 220 static ULONG WINAPI CDLGCF_AddRef(IClassFactory *iface)
 221 {
 222     return 2; /* non-heap based object */
 223 }
 224
 225 /*************************************************************************
 226  * CDLGCF_Release (IUnknown)
 227  */
 228 static ULONG WINAPI CDLGCF_Release(IClassFactory *iface)
 229 {
 230     return 1; /* non-heap based object */
 231 }
 232
 233 /*************************************************************************
 234  * CDLGCF_CreateInstance (IClassFactory)
 235  */
 236 static HRESULT WINAPI CDLGCF_CreateInstance(IClassFactory *iface, IUnknown *pOuter,
 237                                             REFIID riid, void **ppobj)
 238 {
 239     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 240     return This->cf(pOuter, riid, ppobj);
 241 }
 242
 243 /*************************************************************************
 244  * CDLGCF_LockServer (IClassFactory)
 245  */
 246 static HRESULT WINAPI CDLGCF_LockServer(IClassFactory *iface, BOOL dolock)
 247 {
 248     TRACE("%p (%d)\n", iface, dolock);
 249     return S_OK;
 250 }
 251
 252 static const IClassFactoryVtbl CDLGCF_Vtbl =
 253 {
 254     CDLGCF_QueryInterface,
 255     CDLGCF_AddRef,
 256     CDLGCF_Release,
 257     CDLGCF_CreateInstance,
 258     CDLGCF_LockServer
 259 };
 260
 261 /*************************************************************************
 262  *              DllGetClassObject (COMMDLG32.@)
 263  */
 264 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
 265 {
 266     static IClassFactoryImpl FileOpenDlgClassFactory = {{&CDLGCF_Vtbl}, FileOpenDialog_Constructor};
 267     static IClassFactoryImpl FileSaveDlgClassFactory = {{&CDLGCF_Vtbl}, FileSaveDialog_Constructor};
 268
 269     TRACE("%s, %s, %p\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 270
 271     if(IsEqualGUID(&CLSID_FileOpenDialog, rclsid))
 272         return IClassFactory_QueryInterface(&FileOpenDlgClassFactory.IClassFactory_iface, riid, ppv);
 273
 274     if(IsEqualGUID(&CLSID_FileSaveDialog, rclsid))
 275         return IClassFactory_QueryInterface(&FileSaveDlgClassFactory.IClassFactory_iface, riid, ppv);
 276
 277     return CLASS_E_CLASSNOTAVAILABLE;
 278 }
 279
 280 /***********************************************************************
 281  *          DllRegisterServer (COMMDLG32.@)
 282  */
 283 HRESULT WINAPI DllRegisterServer(void)
 284 {
 285     return __wine_register_resources(COMDLG32_hInstance);
 286 }
 287
 288 /***********************************************************************
 289  *          DllUnregisterServer (COMMDLG32.@)
 290  */
 291 HRESULT WINAPI DllUnregisterServer(void)
 292 {
 293     return __wine_unregister_resources(COMDLG32_hInstance);
 294 }