4 * Copyright 1995 Martin von Loewis
5 * Copyright 1999 Francis Beaudet
6 * Copyright 1999 Noel Borthwick
7 * Copyright 1999, 2000 Marcus Meissner
8 * Copyright 2005 Juan Lang
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
34 #define NONAMELESSUNION
35 #define NONAMELESSSTRUCT
49 #include "wine/unicode.h"
50 #include "compobj_private.h"
52 #include "wine/debug.h"
54 WINE_DEFAULT_DEBUG_CHANNEL(ole);
55 WINE_DECLARE_DEBUG_CHANNEL(accel);
57 /******************************************************************************
58 * These are static/global variables and internal data structures that the
59 * OLE module uses to maintain it's state.
61 typedef struct tagDropTargetNode
64 IDropTarget* dropTarget;
65 struct tagDropTargetNode* prevDropTarget;
66 struct tagDropTargetNode* nextDropTarget;
69 typedef struct tagTrackerWindowInfo
71 IDataObject* dataObject;
72 IDropSource* dropSource;
79 HWND curTargetHWND; /* window the mouse is hovering over */
80 HWND curDragTargetHWND; /* might be a ancestor of curTargetHWND */
81 IDropTarget* curDragTarget;
84 typedef struct tagOleMenuDescriptor /* OleMenuDescriptor */
86 HWND hwndFrame; /* The containers frame window */
87 HWND hwndActiveObject; /* The active objects window */
88 OLEMENUGROUPWIDTHS mgw; /* OLE menu group widths for the shared menu */
89 HMENU hmenuCombined; /* The combined menu */
90 BOOL bIsServerItem; /* True if the currently open popup belongs to the server */
93 typedef struct tagOleMenuHookItem /* OleMenu hook item in per thread hook list */
95 DWORD tid; /* Thread Id */
96 HANDLE hHeap; /* Heap this is allocated from */
97 HHOOK GetMsg_hHook; /* message hook for WH_GETMESSAGE */
98 HHOOK CallWndProc_hHook; /* message hook for WH_CALLWNDPROC */
99 struct tagOleMenuHookItem *next;
102 static OleMenuHookItem *hook_list;
105 * This is the lock count on the OLE library. It is controlled by the
106 * OLEInitialize/OLEUninitialize methods.
108 static ULONG OLE_moduleLockCount = 0;
111 * Name of our registered window class.
113 static const char OLEDD_DRAGTRACKERCLASS[] = "WineDragDropTracker32";
116 * This is the head of the Drop target container.
118 static DropTargetNode* targetListHead = NULL;
120 /******************************************************************************
121 * These are the prototypes of miscelaneous utility methods
123 static void OLEUTL_ReadRegistryDWORDValue(HKEY regKey, DWORD* pdwValue);
125 /******************************************************************************
126 * These are the prototypes of the utility methods used to manage a shared menu
128 static void OLEMenu_Initialize(void);
129 static void OLEMenu_UnInitialize(void);
130 BOOL OLEMenu_InstallHooks( DWORD tid );
131 BOOL OLEMenu_UnInstallHooks( DWORD tid );
132 OleMenuHookItem * OLEMenu_IsHookInstalled( DWORD tid );
133 static BOOL OLEMenu_FindMainMenuIndex( HMENU hMainMenu, HMENU hPopupMenu, UINT *pnPos );
134 BOOL OLEMenu_SetIsServerMenu( HMENU hmenu, OleMenuDescriptor *pOleMenuDescriptor );
135 LRESULT CALLBACK OLEMenu_CallWndProc(INT code, WPARAM wParam, LPARAM lParam);
136 LRESULT CALLBACK OLEMenu_GetMsgProc(INT code, WPARAM wParam, LPARAM lParam);
138 /******************************************************************************
139 * These are the prototypes of the OLE Clipboard initialization methods (in clipboard.c)
141 extern void OLEClipbrd_UnInitialize(void);
142 extern void OLEClipbrd_Initialize(void);
144 /******************************************************************************
145 * These are the prototypes of the utility methods used for OLE Drag n Drop
147 static void OLEDD_Initialize(void);
148 static void OLEDD_UnInitialize(void);
149 static void OLEDD_InsertDropTarget(
150 DropTargetNode* nodeToAdd);
151 static DropTargetNode* OLEDD_ExtractDropTarget(
153 static DropTargetNode* OLEDD_FindDropTarget(
155 static LRESULT WINAPI OLEDD_DragTrackerWindowProc(
160 static void OLEDD_TrackMouseMove(
161 TrackerWindowInfo* trackerInfo,
164 static void OLEDD_TrackStateChange(
165 TrackerWindowInfo* trackerInfo,
168 static DWORD OLEDD_GetButtonState(void);
171 /******************************************************************************
172 * OleBuildVersion [OLE2.1]
173 * OleBuildVersion [OLE32.@]
175 DWORD WINAPI OleBuildVersion(void)
177 TRACE("Returning version %d, build %d.\n", rmm, rup);
178 return (rmm<<16)+rup;
181 /***********************************************************************
182 * OleInitialize (OLE2.2)
183 * OleInitialize (OLE32.@)
185 HRESULT WINAPI OleInitialize(LPVOID reserved)
189 TRACE("(%p)\n", reserved);
192 * The first duty of the OleInitialize is to initialize the COM libraries.
194 hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
197 * If the CoInitializeEx call failed, the OLE libraries can't be
204 * Then, it has to initialize the OLE specific modules.
208 * Object linking and Embedding
209 * In-place activation
211 if (OLE_moduleLockCount==0)
214 * Initialize the libraries.
216 TRACE("() - Initializing the OLE libraries\n");
221 OLEClipbrd_Initialize();
231 OLEMenu_Initialize();
235 * Then, we increase the lock count on the OLE module.
237 OLE_moduleLockCount++;
242 /******************************************************************************
243 * OleUninitialize [OLE2.3]
244 * OleUninitialize [OLE32.@]
246 void WINAPI OleUninitialize(void)
251 * Decrease the lock count on the OLE module.
253 OLE_moduleLockCount--;
256 * If we hit the bottom of the lock stack, free the libraries.
258 if (OLE_moduleLockCount==0)
261 * Actually free the libraries.
263 TRACE("() - Freeing the last reference count\n");
268 OLEClipbrd_UnInitialize();
273 OLEDD_UnInitialize();
278 OLEMenu_UnInitialize();
282 * Then, uninitialize the COM libraries.
287 /******************************************************************************
288 * OleInitializeWOW [OLE32.@]
290 HRESULT WINAPI OleInitializeWOW(DWORD x, DWORD y) {
291 FIXME("(0x%08lx, 0x%08lx),stub!\n",x, y);
295 /***********************************************************************
296 * RegisterDragDrop (OLE32.@)
298 HRESULT WINAPI RegisterDragDrop(
300 LPDROPTARGET pDropTarget)
302 DropTargetNode* dropTargetInfo;
304 TRACE("(%p,%p)\n", hwnd, pDropTarget);
310 * First, check if the window is already registered.
312 dropTargetInfo = OLEDD_FindDropTarget(hwnd);
314 if (dropTargetInfo!=NULL)
315 return DRAGDROP_E_ALREADYREGISTERED;
318 * If it's not there, we can add it. We first create a node for it.
320 dropTargetInfo = HeapAlloc(GetProcessHeap(), 0, sizeof(DropTargetNode));
322 if (dropTargetInfo==NULL)
323 return E_OUTOFMEMORY;
325 dropTargetInfo->hwndTarget = hwnd;
326 dropTargetInfo->prevDropTarget = NULL;
327 dropTargetInfo->nextDropTarget = NULL;
330 * Don't forget that this is an interface pointer, need to nail it down since
331 * we keep a copy of it.
333 dropTargetInfo->dropTarget = pDropTarget;
334 IDropTarget_AddRef(dropTargetInfo->dropTarget);
336 OLEDD_InsertDropTarget(dropTargetInfo);
341 /***********************************************************************
342 * RevokeDragDrop (OLE32.@)
344 HRESULT WINAPI RevokeDragDrop(
347 DropTargetNode* dropTargetInfo;
349 TRACE("(%p)\n", hwnd);
352 * First, check if the window is already registered.
354 dropTargetInfo = OLEDD_ExtractDropTarget(hwnd);
357 * If it ain't in there, it's an error.
359 if (dropTargetInfo==NULL)
360 return DRAGDROP_E_NOTREGISTERED;
363 * If it's in there, clean-up it's used memory and
366 IDropTarget_Release(dropTargetInfo->dropTarget);
367 HeapFree(GetProcessHeap(), 0, dropTargetInfo);
372 /***********************************************************************
373 * OleRegGetUserType (OLE32.@)
375 * This implementation of OleRegGetUserType ignores the dwFormOfType
376 * parameter and always returns the full name of the object. This is
377 * not too bad since this is the case for many objects because of the
378 * way they are registered.
380 HRESULT WINAPI OleRegGetUserType(
383 LPOLESTR* pszUserType)
393 * Initialize the out parameter.
398 * Build the key name we're looking for
400 sprintf( keyName, "CLSID\\{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}\\",
401 clsid->Data1, clsid->Data2, clsid->Data3,
402 clsid->Data4[0], clsid->Data4[1], clsid->Data4[2], clsid->Data4[3],
403 clsid->Data4[4], clsid->Data4[5], clsid->Data4[6], clsid->Data4[7] );
405 TRACE("(%s, %ld, %p)\n", keyName, dwFormOfType, pszUserType);
408 * Open the class id Key
410 hres = RegOpenKeyA(HKEY_CLASSES_ROOT,
414 if (hres != ERROR_SUCCESS)
415 return REGDB_E_CLASSNOTREG;
418 * Retrieve the size of the name string.
422 hres = RegQueryValueExA(clsidKey,
429 if (hres!=ERROR_SUCCESS)
431 RegCloseKey(clsidKey);
432 return REGDB_E_READREGDB;
436 * Allocate a buffer for the registry value.
438 *pszUserType = CoTaskMemAlloc(cbData*2);
440 if (*pszUserType==NULL)
442 RegCloseKey(clsidKey);
443 return E_OUTOFMEMORY;
446 buffer = HeapAlloc(GetProcessHeap(), 0, cbData);
450 RegCloseKey(clsidKey);
451 CoTaskMemFree(*pszUserType);
453 return E_OUTOFMEMORY;
456 hres = RegQueryValueExA(clsidKey,
463 RegCloseKey(clsidKey);
466 if (hres!=ERROR_SUCCESS)
468 CoTaskMemFree(*pszUserType);
471 retVal = REGDB_E_READREGDB;
475 MultiByteToWideChar( CP_ACP, 0, buffer, -1, *pszUserType, cbData /*FIXME*/ );
478 HeapFree(GetProcessHeap(), 0, buffer);
483 /***********************************************************************
484 * DoDragDrop [OLE32.@]
486 HRESULT WINAPI DoDragDrop (
487 IDataObject *pDataObject, /* [in] ptr to the data obj */
488 IDropSource* pDropSource, /* [in] ptr to the source obj */
489 DWORD dwOKEffect, /* [in] effects allowed by the source */
490 DWORD *pdwEffect) /* [out] ptr to effects of the source */
492 TrackerWindowInfo trackerInfo;
493 HWND hwndTrackWindow;
496 TRACE("(DataObject %p, DropSource %p)\n", pDataObject, pDropSource);
499 * Setup the drag n drop tracking window.
501 if (!IsValidInterface((LPUNKNOWN)pDropSource))
504 trackerInfo.dataObject = pDataObject;
505 trackerInfo.dropSource = pDropSource;
506 trackerInfo.dwOKEffect = dwOKEffect;
507 trackerInfo.pdwEffect = pdwEffect;
508 trackerInfo.trackingDone = FALSE;
509 trackerInfo.escPressed = FALSE;
510 trackerInfo.curDragTargetHWND = 0;
511 trackerInfo.curTargetHWND = 0;
512 trackerInfo.curDragTarget = 0;
514 hwndTrackWindow = CreateWindowA(OLEDD_DRAGTRACKERCLASS,
517 CW_USEDEFAULT, CW_USEDEFAULT,
518 CW_USEDEFAULT, CW_USEDEFAULT,
522 (LPVOID)&trackerInfo);
524 if (hwndTrackWindow!=0)
527 * Capture the mouse input
529 SetCapture(hwndTrackWindow);
532 * Pump messages. All mouse input should go the the capture window.
534 while (!trackerInfo.trackingDone && GetMessageA(&msg, 0, 0, 0) )
536 if ( (msg.message >= WM_KEYFIRST) &&
537 (msg.message <= WM_KEYLAST) )
540 * When keyboard messages are sent to windows on this thread, we
541 * want to ignore notify the drop source that the state changed.
542 * in the case of the Escape key, we also notify the drop source
543 * we give it a special meaning.
545 if ( (msg.message==WM_KEYDOWN) &&
546 (msg.wParam==VK_ESCAPE) )
548 trackerInfo.escPressed = TRUE;
552 * Notify the drop source.
554 OLEDD_TrackStateChange(&trackerInfo,
556 OLEDD_GetButtonState());
561 * Dispatch the messages only when it's not a keyboard message.
563 DispatchMessageA(&msg);
568 * Destroy the temporary window.
570 DestroyWindow(hwndTrackWindow);
572 return trackerInfo.returnValue;
578 /***********************************************************************
579 * OleQueryLinkFromData [OLE32.@]
581 HRESULT WINAPI OleQueryLinkFromData(
582 IDataObject* pSrcDataObject)
584 FIXME("(%p),stub!\n", pSrcDataObject);
588 /***********************************************************************
589 * OleRegGetMiscStatus [OLE32.@]
591 HRESULT WINAPI OleRegGetMiscStatus(
603 * Initialize the out parameter.
608 * Build the key name we're looking for
610 sprintf( keyName, "CLSID\\{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}\\",
611 clsid->Data1, clsid->Data2, clsid->Data3,
612 clsid->Data4[0], clsid->Data4[1], clsid->Data4[2], clsid->Data4[3],
613 clsid->Data4[4], clsid->Data4[5], clsid->Data4[6], clsid->Data4[7] );
615 TRACE("(%s, %ld, %p)\n", keyName, dwAspect, pdwStatus);
618 * Open the class id Key
620 result = RegOpenKeyA(HKEY_CLASSES_ROOT,
624 if (result != ERROR_SUCCESS)
625 return REGDB_E_CLASSNOTREG;
630 result = RegOpenKeyA(clsidKey,
635 if (result != ERROR_SUCCESS)
637 RegCloseKey(clsidKey);
638 return REGDB_E_READREGDB;
642 * Read the default value
644 OLEUTL_ReadRegistryDWORDValue(miscStatusKey, pdwStatus);
647 * Open the key specific to the requested aspect.
649 sprintf(keyName, "%ld", dwAspect);
651 result = RegOpenKeyA(miscStatusKey,
655 if (result == ERROR_SUCCESS)
657 OLEUTL_ReadRegistryDWORDValue(aspectKey, pdwStatus);
658 RegCloseKey(aspectKey);
664 RegCloseKey(miscStatusKey);
665 RegCloseKey(clsidKey);
670 static HRESULT EnumOLEVERB_Construct(HKEY hkeyVerb, ULONG index, IEnumOLEVERB **ppenum);
674 const IEnumOLEVERBVtbl *lpvtbl;
681 static HRESULT WINAPI EnumOLEVERB_QueryInterface(
682 IEnumOLEVERB *iface, REFIID riid, void **ppv)
684 TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
685 if (IsEqualIID(riid, &IID_IUnknown) ||
686 IsEqualIID(riid, &IID_IEnumOLEVERB))
688 IUnknown_AddRef(iface);
692 return E_NOINTERFACE;
695 static ULONG WINAPI EnumOLEVERB_AddRef(
698 EnumOLEVERB *This = (EnumOLEVERB *)iface;
700 return InterlockedIncrement(&This->ref);
703 static ULONG WINAPI EnumOLEVERB_Release(
706 EnumOLEVERB *This = (EnumOLEVERB *)iface;
707 LONG refs = InterlockedDecrement(&This->ref);
711 RegCloseKey(This->hkeyVerb);
712 HeapFree(GetProcessHeap(), 0, This);
717 static HRESULT WINAPI EnumOLEVERB_Next(
718 IEnumOLEVERB *iface, ULONG celt, LPOLEVERB rgelt,
721 EnumOLEVERB *This = (EnumOLEVERB *)iface;
724 TRACE("(%ld, %p, %p)\n", celt, rgelt, pceltFetched);
729 for (; celt; celt--, rgelt++)
734 LPWSTR pwszMenuFlags;
736 LONG res = RegEnumKeyW(This->hkeyVerb, This->index, wszSubKey, sizeof(wszSubKey)/sizeof(wszSubKey[0]));
737 if (res == ERROR_NO_MORE_ITEMS)
742 else if (res != ERROR_SUCCESS)
744 ERR("RegEnumKeyW failed with error %ld\n", res);
745 hr = REGDB_E_READREGDB;
748 res = RegQueryValueW(This->hkeyVerb, wszSubKey, NULL, &cbData);
749 if (res != ERROR_SUCCESS)
751 ERR("RegQueryValueW failed with error %ld\n", res);
752 hr = REGDB_E_READREGDB;
755 pwszOLEVERB = CoTaskMemAlloc(cbData);
761 res = RegQueryValueW(This->hkeyVerb, wszSubKey, pwszOLEVERB, &cbData);
762 if (res != ERROR_SUCCESS)
764 ERR("RegQueryValueW failed with error %ld\n", res);
765 hr = REGDB_E_READREGDB;
766 CoTaskMemFree(pwszOLEVERB);
770 TRACE("verb string: %s\n", debugstr_w(pwszOLEVERB));
771 pwszMenuFlags = strchrW(pwszOLEVERB, ',');
774 hr = OLEOBJ_E_INVALIDVERB;
775 CoTaskMemFree(pwszOLEVERB);
778 /* nul terminate the name string and advance to first character */
779 *pwszMenuFlags = '\0';
781 pwszAttribs = strchrW(pwszMenuFlags, ',');
784 hr = OLEOBJ_E_INVALIDVERB;
785 CoTaskMemFree(pwszOLEVERB);
788 /* nul terminate the menu string and advance to first character */
792 /* fill out structure for this verb */
793 rgelt->lVerb = atolW(wszSubKey);
794 rgelt->lpszVerbName = pwszOLEVERB; /* user should free */
795 rgelt->fuFlags = atolW(pwszMenuFlags);
796 rgelt->grfAttribs = atolW(pwszAttribs);
805 static HRESULT WINAPI EnumOLEVERB_Skip(
806 IEnumOLEVERB *iface, ULONG celt)
808 EnumOLEVERB *This = (EnumOLEVERB *)iface;
810 TRACE("(%ld)\n", celt);
816 static HRESULT WINAPI EnumOLEVERB_Reset(
819 EnumOLEVERB *This = (EnumOLEVERB *)iface;
827 static HRESULT WINAPI EnumOLEVERB_Clone(
829 IEnumOLEVERB **ppenum)
831 EnumOLEVERB *This = (EnumOLEVERB *)iface;
833 TRACE("(%p)\n", ppenum);
834 if (!DuplicateHandle(GetCurrentProcess(), This->hkeyVerb, GetCurrentProcess(), (HANDLE *)&hkeyVerb, 0, FALSE, DUPLICATE_SAME_ACCESS))
835 return HRESULT_FROM_WIN32(GetLastError());
836 return EnumOLEVERB_Construct(hkeyVerb, This->index, ppenum);
839 static const IEnumOLEVERBVtbl EnumOLEVERB_VTable =
841 EnumOLEVERB_QueryInterface,
850 static HRESULT EnumOLEVERB_Construct(HKEY hkeyVerb, ULONG index, IEnumOLEVERB **ppenum)
852 EnumOLEVERB *This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
855 RegCloseKey(hkeyVerb);
856 return E_OUTOFMEMORY;
858 This->lpvtbl = &EnumOLEVERB_VTable;
861 This->hkeyVerb = hkeyVerb;
862 *ppenum = (IEnumOLEVERB *)&This->lpvtbl;
866 /***********************************************************************
867 * OleRegEnumVerbs [OLE32.@]
869 * Enumerates verbs associated with a class stored in the registry.
872 * clsid [I] Class ID to enumerate the verbs for.
873 * ppenum [O] Enumerator.
877 * REGDB_E_CLASSNOTREG: The specified class does not have a key in the registry.
878 * REGDB_E_READREGDB: The class key could not be opened for some other reason.
879 * OLE_E_REGDB_KEY: The Verb subkey for the class is not present.
880 * OLEOBJ_E_NOVERBS: The Verb subkey for the class is empty.
882 HRESULT WINAPI OleRegEnumVerbs (REFCLSID clsid, LPENUMOLEVERB* ppenum)
887 static const WCHAR wszVerb[] = {'V','e','r','b',0};
889 TRACE("(%s, %p)\n", debugstr_guid(clsid), ppenum);
891 res = COM_OpenKeyForCLSID(clsid, wszVerb, KEY_READ, &hkeyVerb);
894 if (res == REGDB_E_CLASSNOTREG)
895 ERR("CLSID %s not registered\n", debugstr_guid(clsid));
896 else if (res == REGDB_E_KEYMISSING)
897 ERR("no Verbs key for class %s\n", debugstr_guid(clsid));
899 ERR("failed to open Verbs key for CLSID %s with error %ld\n",
900 debugstr_guid(clsid), res);
904 res = RegQueryInfoKeyW(hkeyVerb, NULL, NULL, NULL, &dwSubKeys, NULL,
905 NULL, NULL, NULL, NULL, NULL, NULL);
906 if (res != ERROR_SUCCESS)
908 ERR("failed to get subkey count with error %ld\n", GetLastError());
909 return REGDB_E_READREGDB;
914 WARN("class %s has no verbs\n", debugstr_guid(clsid));
915 RegCloseKey(hkeyVerb);
916 return OLEOBJ_E_NOVERBS;
919 return EnumOLEVERB_Construct(hkeyVerb, 0, ppenum);
922 /******************************************************************************
923 * OleSetContainedObject [OLE32.@]
925 HRESULT WINAPI OleSetContainedObject(
929 IRunnableObject* runnable = NULL;
932 TRACE("(%p,%x), stub!\n", pUnknown, fContained);
934 hres = IUnknown_QueryInterface(pUnknown,
935 &IID_IRunnableObject,
940 hres = IRunnableObject_SetContainedObject(runnable, fContained);
942 IRunnableObject_Release(runnable);
950 /******************************************************************************
953 HRESULT WINAPI OleLoad(
956 LPOLECLIENTSITE pClientSite,
959 IPersistStorage* persistStorage = NULL;
960 IOleObject* oleObject = NULL;
964 TRACE("(%p,%p,%p,%p)\n", pStg, riid, pClientSite, ppvObj);
967 * TODO, Conversion ... OleDoAutoConvert
971 * Get the class ID for the object.
973 hres = IStorage_Stat(pStg, &storageInfo, STATFLAG_NONAME);
976 * Now, try and create the handler for the object
978 hres = CoCreateInstance(&storageInfo.clsid,
980 CLSCTX_INPROC_HANDLER,
985 * If that fails, as it will most times, load the default
990 hres = OleCreateDefaultHandler(&storageInfo.clsid,
997 * If we couldn't find a handler... this is bad. Abort the whole thing.
1003 * Inform the new object of it's client site.
1005 hres = IOleObject_SetClientSite(oleObject, pClientSite);
1008 * Initialize the object with it's IPersistStorage interface.
1010 hres = IOleObject_QueryInterface(oleObject,
1011 &IID_IPersistStorage,
1012 (void**)&persistStorage);
1014 if (SUCCEEDED(hres))
1016 IPersistStorage_Load(persistStorage, pStg);
1018 IPersistStorage_Release(persistStorage);
1019 persistStorage = NULL;
1023 * Return the requested interface to the caller.
1025 hres = IOleObject_QueryInterface(oleObject, riid, ppvObj);
1028 * Cleanup interfaces used internally
1030 IOleObject_Release(oleObject);
1035 /***********************************************************************
1038 HRESULT WINAPI OleSave(
1039 LPPERSISTSTORAGE pPS,
1046 TRACE("(%p,%p,%x)\n", pPS, pStg, fSameAsLoad);
1049 * First, we transfer the class ID (if available)
1051 hres = IPersistStorage_GetClassID(pPS, &objectClass);
1053 if (SUCCEEDED(hres))
1055 WriteClassStg(pStg, &objectClass);
1059 * Then, we ask the object to save itself to the
1060 * storage. If it is successful, we commit the storage.
1062 hres = IPersistStorage_Save(pPS, pStg, fSameAsLoad);
1064 if (SUCCEEDED(hres))
1066 IStorage_Commit(pStg,
1074 /******************************************************************************
1075 * OleLockRunning [OLE32.@]
1077 HRESULT WINAPI OleLockRunning(LPUNKNOWN pUnknown, BOOL fLock, BOOL fLastUnlockCloses)
1079 IRunnableObject* runnable = NULL;
1082 TRACE("(%p,%x,%x)\n", pUnknown, fLock, fLastUnlockCloses);
1084 hres = IUnknown_QueryInterface(pUnknown,
1085 &IID_IRunnableObject,
1088 if (SUCCEEDED(hres))
1090 hres = IRunnableObject_LockRunning(runnable, fLock, fLastUnlockCloses);
1092 IRunnableObject_Release(runnable);
1097 return E_INVALIDARG;
1101 /**************************************************************************
1102 * Internal methods to manage the shared OLE menu in response to the
1103 * OLE***MenuDescriptor API
1107 * OLEMenu_Initialize()
1109 * Initializes the OLEMENU data structures.
1111 static void OLEMenu_Initialize()
1116 * OLEMenu_UnInitialize()
1118 * Releases the OLEMENU data structures.
1120 static void OLEMenu_UnInitialize()
1124 /*************************************************************************
1125 * OLEMenu_InstallHooks
1126 * Install thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC
1128 * RETURNS: TRUE if message hooks were successfully installed
1131 BOOL OLEMenu_InstallHooks( DWORD tid )
1133 OleMenuHookItem *pHookItem = NULL;
1135 /* Create an entry for the hook table */
1136 if ( !(pHookItem = HeapAlloc(GetProcessHeap(), 0,
1137 sizeof(OleMenuHookItem)) ) )
1140 pHookItem->tid = tid;
1141 pHookItem->hHeap = GetProcessHeap();
1143 /* Install a thread scope message hook for WH_GETMESSAGE */
1144 pHookItem->GetMsg_hHook = SetWindowsHookExA( WH_GETMESSAGE, OLEMenu_GetMsgProc,
1145 0, GetCurrentThreadId() );
1146 if ( !pHookItem->GetMsg_hHook )
1149 /* Install a thread scope message hook for WH_CALLWNDPROC */
1150 pHookItem->CallWndProc_hHook = SetWindowsHookExA( WH_CALLWNDPROC, OLEMenu_CallWndProc,
1151 0, GetCurrentThreadId() );
1152 if ( !pHookItem->CallWndProc_hHook )
1155 /* Insert the hook table entry */
1156 pHookItem->next = hook_list;
1157 hook_list = pHookItem;
1162 /* Unhook any hooks */
1163 if ( pHookItem->GetMsg_hHook )
1164 UnhookWindowsHookEx( pHookItem->GetMsg_hHook );
1165 if ( pHookItem->CallWndProc_hHook )
1166 UnhookWindowsHookEx( pHookItem->CallWndProc_hHook );
1167 /* Release the hook table entry */
1168 HeapFree(pHookItem->hHeap, 0, pHookItem );
1173 /*************************************************************************
1174 * OLEMenu_UnInstallHooks
1175 * UnInstall thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC
1177 * RETURNS: TRUE if message hooks were successfully installed
1180 BOOL OLEMenu_UnInstallHooks( DWORD tid )
1182 OleMenuHookItem *pHookItem = NULL;
1183 OleMenuHookItem **ppHook = &hook_list;
1187 if ((*ppHook)->tid == tid)
1189 pHookItem = *ppHook;
1190 *ppHook = pHookItem->next;
1193 ppHook = &(*ppHook)->next;
1195 if (!pHookItem) return FALSE;
1197 /* Uninstall the hooks installed for this thread */
1198 if ( !UnhookWindowsHookEx( pHookItem->GetMsg_hHook ) )
1200 if ( !UnhookWindowsHookEx( pHookItem->CallWndProc_hHook ) )
1203 /* Release the hook table entry */
1204 HeapFree(pHookItem->hHeap, 0, pHookItem );
1209 /* Release the hook table entry */
1210 HeapFree(pHookItem->hHeap, 0, pHookItem );
1215 /*************************************************************************
1216 * OLEMenu_IsHookInstalled
1217 * Tests if OLEMenu hooks have been installed for a thread
1219 * RETURNS: The pointer and index of the hook table entry for the tid
1220 * NULL and -1 for the index if no hooks were installed for this thread
1222 OleMenuHookItem * OLEMenu_IsHookInstalled( DWORD tid )
1224 OleMenuHookItem *pHookItem = NULL;
1226 /* Do a simple linear search for an entry whose tid matches ours.
1227 * We really need a map but efficiency is not a concern here. */
1228 for (pHookItem = hook_list; pHookItem; pHookItem = pHookItem->next)
1230 if ( tid == pHookItem->tid )
1237 /***********************************************************************
1238 * OLEMenu_FindMainMenuIndex
1240 * Used by OLEMenu API to find the top level group a menu item belongs to.
1241 * On success pnPos contains the index of the item in the top level menu group
1243 * RETURNS: TRUE if the ID was found, FALSE on failure
1245 static BOOL OLEMenu_FindMainMenuIndex( HMENU hMainMenu, HMENU hPopupMenu, UINT *pnPos )
1249 nItems = GetMenuItemCount( hMainMenu );
1251 for (i = 0; i < nItems; i++)
1255 /* Is the current item a submenu? */
1256 if ( (hsubmenu = GetSubMenu(hMainMenu, i)) )
1258 /* If the handle is the same we're done */
1259 if ( hsubmenu == hPopupMenu )
1265 /* Recursively search without updating pnPos */
1266 else if ( OLEMenu_FindMainMenuIndex( hsubmenu, hPopupMenu, NULL ) )
1278 /***********************************************************************
1279 * OLEMenu_SetIsServerMenu
1281 * Checks whether a popup menu belongs to a shared menu group which is
1282 * owned by the server, and sets the menu descriptor state accordingly.
1283 * All menu messages from these groups should be routed to the server.
1285 * RETURNS: TRUE if the popup menu is part of a server owned group
1286 * FALSE if the popup menu is part of a container owned group
1288 BOOL OLEMenu_SetIsServerMenu( HMENU hmenu, OleMenuDescriptor *pOleMenuDescriptor )
1290 UINT nPos = 0, nWidth, i;
1292 pOleMenuDescriptor->bIsServerItem = FALSE;
1294 /* Don't bother searching if the popup is the combined menu itself */
1295 if ( hmenu == pOleMenuDescriptor->hmenuCombined )
1298 /* Find the menu item index in the shared OLE menu that this item belongs to */
1299 if ( !OLEMenu_FindMainMenuIndex( pOleMenuDescriptor->hmenuCombined, hmenu, &nPos ) )
1302 /* The group widths array has counts for the number of elements
1303 * in the groups File, Edit, Container, Object, Window, Help.
1304 * The Edit, Object & Help groups belong to the server object
1305 * and the other three belong to the container.
1306 * Loop through the group widths and locate the group we are a member of.
1308 for ( i = 0, nWidth = 0; i < 6; i++ )
1310 nWidth += pOleMenuDescriptor->mgw.width[i];
1311 if ( nPos < nWidth )
1313 /* Odd elements are server menu widths */
1314 pOleMenuDescriptor->bIsServerItem = (i%2) ? TRUE : FALSE;
1319 return pOleMenuDescriptor->bIsServerItem;
1322 /*************************************************************************
1323 * OLEMenu_CallWndProc
1324 * Thread scope WH_CALLWNDPROC hook proc filter function (callback)
1325 * This is invoked from a message hook installed in OleSetMenuDescriptor.
1327 LRESULT CALLBACK OLEMenu_CallWndProc(INT code, WPARAM wParam, LPARAM lParam)
1329 LPCWPSTRUCT pMsg = NULL;
1330 HOLEMENU hOleMenu = 0;
1331 OleMenuDescriptor *pOleMenuDescriptor = NULL;
1332 OleMenuHookItem *pHookItem = NULL;
1335 TRACE("%i, %04x, %08x\n", code, wParam, (unsigned)lParam );
1337 /* Check if we're being asked to process the message */
1338 if ( HC_ACTION != code )
1341 /* Retrieve the current message being dispatched from lParam */
1342 pMsg = (LPCWPSTRUCT)lParam;
1344 /* Check if the message is destined for a window we are interested in:
1345 * If the window has an OLEMenu property we may need to dispatch
1346 * the menu message to its active objects window instead. */
1348 hOleMenu = (HOLEMENU)GetPropA( pMsg->hwnd, "PROP_OLEMenuDescriptor" );
1352 /* Get the menu descriptor */
1353 pOleMenuDescriptor = (OleMenuDescriptor *) GlobalLock( hOleMenu );
1354 if ( !pOleMenuDescriptor ) /* Bad descriptor! */
1357 /* Process menu messages */
1358 switch( pMsg->message )
1362 /* Reset the menu descriptor state */
1363 pOleMenuDescriptor->bIsServerItem = FALSE;
1365 /* Send this message to the server as well */
1366 SendMessageA( pOleMenuDescriptor->hwndActiveObject,
1367 pMsg->message, pMsg->wParam, pMsg->lParam );
1371 case WM_INITMENUPOPUP:
1373 /* Save the state for whether this is a server owned menu */
1374 OLEMenu_SetIsServerMenu( (HMENU)pMsg->wParam, pOleMenuDescriptor );
1380 fuFlags = HIWORD(pMsg->wParam); /* Get flags */
1381 if ( fuFlags & MF_SYSMENU )
1384 /* Save the state for whether this is a server owned popup menu */
1385 else if ( fuFlags & MF_POPUP )
1386 OLEMenu_SetIsServerMenu( (HMENU)pMsg->lParam, pOleMenuDescriptor );
1393 LPDRAWITEMSTRUCT lpdis = (LPDRAWITEMSTRUCT) pMsg->lParam;
1394 if ( pMsg->wParam != 0 || lpdis->CtlType != ODT_MENU )
1395 goto NEXTHOOK; /* Not a menu message */
1404 /* If the message was for the server dispatch it accordingly */
1405 if ( pOleMenuDescriptor->bIsServerItem )
1407 SendMessageA( pOleMenuDescriptor->hwndActiveObject,
1408 pMsg->message, pMsg->wParam, pMsg->lParam );
1412 if ( pOleMenuDescriptor )
1413 GlobalUnlock( hOleMenu );
1415 /* Lookup the hook item for the current thread */
1416 if ( !( pHookItem = OLEMenu_IsHookInstalled( GetCurrentThreadId() ) ) )
1418 /* This should never fail!! */
1419 WARN("could not retrieve hHook for current thread!\n" );
1423 /* Pass on the message to the next hooker */
1424 return CallNextHookEx( pHookItem->CallWndProc_hHook, code, wParam, lParam );
1427 /*************************************************************************
1428 * OLEMenu_GetMsgProc
1429 * Thread scope WH_GETMESSAGE hook proc filter function (callback)
1430 * This is invoked from a message hook installed in OleSetMenuDescriptor.
1432 LRESULT CALLBACK OLEMenu_GetMsgProc(INT code, WPARAM wParam, LPARAM lParam)
1435 HOLEMENU hOleMenu = 0;
1436 OleMenuDescriptor *pOleMenuDescriptor = NULL;
1437 OleMenuHookItem *pHookItem = NULL;
1440 TRACE("%i, %04x, %08x\n", code, wParam, (unsigned)lParam );
1442 /* Check if we're being asked to process a messages */
1443 if ( HC_ACTION != code )
1446 /* Retrieve the current message being dispatched from lParam */
1447 pMsg = (LPMSG)lParam;
1449 /* Check if the message is destined for a window we are interested in:
1450 * If the window has an OLEMenu property we may need to dispatch
1451 * the menu message to its active objects window instead. */
1453 hOleMenu = (HOLEMENU)GetPropA( pMsg->hwnd, "PROP_OLEMenuDescriptor" );
1457 /* Process menu messages */
1458 switch( pMsg->message )
1462 wCode = HIWORD(pMsg->wParam); /* Get notification code */
1464 goto NEXTHOOK; /* Not a menu message */
1471 /* Get the menu descriptor */
1472 pOleMenuDescriptor = (OleMenuDescriptor *) GlobalLock( hOleMenu );
1473 if ( !pOleMenuDescriptor ) /* Bad descriptor! */
1476 /* If the message was for the server dispatch it accordingly */
1477 if ( pOleMenuDescriptor->bIsServerItem )
1479 /* Change the hWnd in the message to the active objects hWnd.
1480 * The message loop which reads this message will automatically
1481 * dispatch it to the embedded objects window. */
1482 pMsg->hwnd = pOleMenuDescriptor->hwndActiveObject;
1486 if ( pOleMenuDescriptor )
1487 GlobalUnlock( hOleMenu );
1489 /* Lookup the hook item for the current thread */
1490 if ( !( pHookItem = OLEMenu_IsHookInstalled( GetCurrentThreadId() ) ) )
1492 /* This should never fail!! */
1493 WARN("could not retrieve hHook for current thread!\n" );
1497 /* Pass on the message to the next hooker */
1498 return CallNextHookEx( pHookItem->GetMsg_hHook, code, wParam, lParam );
1501 /***********************************************************************
1502 * OleCreateMenuDescriptor [OLE32.@]
1503 * Creates an OLE menu descriptor for OLE to use when dispatching
1504 * menu messages and commands.
1507 * hmenuCombined - Handle to the objects combined menu
1508 * lpMenuWidths - Pointer to array of 6 LONG's indicating menus per group
1511 HOLEMENU WINAPI OleCreateMenuDescriptor(
1512 HMENU hmenuCombined,
1513 LPOLEMENUGROUPWIDTHS lpMenuWidths)
1516 OleMenuDescriptor *pOleMenuDescriptor;
1519 if ( !hmenuCombined || !lpMenuWidths )
1522 /* Create an OLE menu descriptor */
1523 if ( !(hOleMenu = GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT,
1524 sizeof(OleMenuDescriptor) ) ) )
1527 pOleMenuDescriptor = (OleMenuDescriptor *) GlobalLock( hOleMenu );
1528 if ( !pOleMenuDescriptor )
1531 /* Initialize menu group widths and hmenu */
1532 for ( i = 0; i < 6; i++ )
1533 pOleMenuDescriptor->mgw.width[i] = lpMenuWidths->width[i];
1535 pOleMenuDescriptor->hmenuCombined = hmenuCombined;
1536 pOleMenuDescriptor->bIsServerItem = FALSE;
1537 GlobalUnlock( hOleMenu );
1542 /***********************************************************************
1543 * OleDestroyMenuDescriptor [OLE32.@]
1544 * Destroy the shared menu descriptor
1546 HRESULT WINAPI OleDestroyMenuDescriptor(
1547 HOLEMENU hmenuDescriptor)
1549 if ( hmenuDescriptor )
1550 GlobalFree( hmenuDescriptor );
1554 /***********************************************************************
1555 * OleSetMenuDescriptor [OLE32.@]
1556 * Installs or removes OLE dispatching code for the containers frame window.
1559 * hOleMenu Handle to composite menu descriptor
1560 * hwndFrame Handle to containers frame window
1561 * hwndActiveObject Handle to objects in-place activation window
1562 * lpFrame Pointer to IOleInPlaceFrame on containers window
1563 * lpActiveObject Pointer to IOleInPlaceActiveObject on active in-place object
1566 * S_OK - menu installed correctly
1567 * E_FAIL, E_INVALIDARG, E_UNEXPECTED - failure
1570 * The lpFrame and lpActiveObject parameters are currently ignored
1571 * OLE should install context sensitive help F1 filtering for the app when
1572 * these are non null.
1574 HRESULT WINAPI OleSetMenuDescriptor(
1577 HWND hwndActiveObject,
1578 LPOLEINPLACEFRAME lpFrame,
1579 LPOLEINPLACEACTIVEOBJECT lpActiveObject)
1581 OleMenuDescriptor *pOleMenuDescriptor = NULL;
1584 if ( !hwndFrame || (hOleMenu && !hwndActiveObject) )
1585 return E_INVALIDARG;
1587 if ( lpFrame || lpActiveObject )
1589 FIXME("(%p, %p, %p, %p, %p), Context sensitive help filtering not implemented!\n",
1597 /* Set up a message hook to intercept the containers frame window messages.
1598 * The message filter is responsible for dispatching menu messages from the
1599 * shared menu which are intended for the object.
1602 if ( hOleMenu ) /* Want to install dispatching code */
1604 /* If OLEMenu hooks are already installed for this thread, fail
1605 * Note: This effectively means that OleSetMenuDescriptor cannot
1606 * be called twice in succession on the same frame window
1607 * without first calling it with a null hOleMenu to uninstall */
1608 if ( OLEMenu_IsHookInstalled( GetCurrentThreadId() ) )
1611 /* Get the menu descriptor */
1612 pOleMenuDescriptor = (OleMenuDescriptor *) GlobalLock( hOleMenu );
1613 if ( !pOleMenuDescriptor )
1614 return E_UNEXPECTED;
1616 /* Update the menu descriptor */
1617 pOleMenuDescriptor->hwndFrame = hwndFrame;
1618 pOleMenuDescriptor->hwndActiveObject = hwndActiveObject;
1620 GlobalUnlock( hOleMenu );
1621 pOleMenuDescriptor = NULL;
1623 /* Add a menu descriptor windows property to the frame window */
1624 SetPropA( hwndFrame, "PROP_OLEMenuDescriptor", hOleMenu );
1626 /* Install thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC */
1627 if ( !OLEMenu_InstallHooks( GetCurrentThreadId() ) )
1630 else /* Want to uninstall dispatching code */
1632 /* Uninstall the hooks */
1633 if ( !OLEMenu_UnInstallHooks( GetCurrentThreadId() ) )
1636 /* Remove the menu descriptor property from the frame window */
1637 RemovePropA( hwndFrame, "PROP_OLEMenuDescriptor" );
1643 /******************************************************************************
1644 * IsAccelerator [OLE32.@]
1645 * Mostly copied from controls/menu.c TranslateAccelerator implementation
1647 BOOL WINAPI IsAccelerator(HACCEL hAccel, int cAccelEntries, LPMSG lpMsg, WORD* lpwCmd)
1652 if(!lpMsg) return FALSE;
1655 WARN_(accel)("NULL accel handle\n");
1658 if((lpMsg->message != WM_KEYDOWN &&
1659 lpMsg->message != WM_KEYUP &&
1660 lpMsg->message != WM_SYSKEYDOWN &&
1661 lpMsg->message != WM_SYSKEYUP &&
1662 lpMsg->message != WM_CHAR)) return FALSE;
1663 lpAccelTbl = HeapAlloc(GetProcessHeap(), 0, cAccelEntries * sizeof(ACCEL));
1664 if (NULL == lpAccelTbl)
1668 if (CopyAcceleratorTableW(hAccel, lpAccelTbl, cAccelEntries) != cAccelEntries)
1670 WARN_(accel)("CopyAcceleratorTableW failed\n");
1671 HeapFree(GetProcessHeap(), 0, lpAccelTbl);
1675 TRACE_(accel)("hAccel=%p, cAccelEntries=%d,"
1676 "msg->hwnd=%p, msg->message=%04x, wParam=%08x, lParam=%08lx\n",
1677 hAccel, cAccelEntries,
1678 lpMsg->hwnd, lpMsg->message, lpMsg->wParam, lpMsg->lParam);
1679 for(i = 0; i < cAccelEntries; i++)
1681 if(lpAccelTbl[i].key != lpMsg->wParam)
1684 if(lpMsg->message == WM_CHAR)
1686 if(!(lpAccelTbl[i].fVirt & FALT) && !(lpAccelTbl[i].fVirt & FVIRTKEY))
1688 TRACE_(accel)("found accel for WM_CHAR: ('%c')\n", lpMsg->wParam & 0xff);
1694 if(lpAccelTbl[i].fVirt & FVIRTKEY)
1697 TRACE_(accel)("found accel for virt_key %04x (scan %04x)\n",
1698 lpMsg->wParam, HIWORD(lpMsg->lParam) & 0xff);
1699 if(GetKeyState(VK_SHIFT) & 0x8000) mask |= FSHIFT;
1700 if(GetKeyState(VK_CONTROL) & 0x8000) mask |= FCONTROL;
1701 if(GetKeyState(VK_MENU) & 0x8000) mask |= FALT;
1702 if(mask == (lpAccelTbl[i].fVirt & (FSHIFT | FCONTROL | FALT))) goto found;
1703 TRACE_(accel)("incorrect SHIFT/CTRL/ALT-state\n");
1707 if(!(lpMsg->lParam & 0x01000000)) /* no special_key */
1709 if((lpAccelTbl[i].fVirt & FALT) && (lpMsg->lParam & 0x20000000))
1710 { /* ^^ ALT pressed */
1711 TRACE_(accel)("found accel for Alt-%c\n", lpMsg->wParam & 0xff);
1719 WARN_(accel)("couldn't translate accelerator key\n");
1720 HeapFree(GetProcessHeap(), 0, lpAccelTbl);
1724 if(lpwCmd) *lpwCmd = lpAccelTbl[i].cmd;
1725 HeapFree(GetProcessHeap(), 0, lpAccelTbl);
1729 /***********************************************************************
1730 * ReleaseStgMedium [OLE32.@]
1732 void WINAPI ReleaseStgMedium(
1735 switch (pmedium->tymed)
1739 if ( (pmedium->pUnkForRelease==0) &&
1740 (pmedium->u.hGlobal!=0) )
1741 GlobalFree(pmedium->u.hGlobal);
1746 if (pmedium->u.lpszFileName!=0)
1748 if (pmedium->pUnkForRelease==0)
1750 DeleteFileW(pmedium->u.lpszFileName);
1753 CoTaskMemFree(pmedium->u.lpszFileName);
1759 if (pmedium->u.pstm!=0)
1761 IStream_Release(pmedium->u.pstm);
1765 case TYMED_ISTORAGE:
1767 if (pmedium->u.pstg!=0)
1769 IStorage_Release(pmedium->u.pstg);
1775 if ( (pmedium->pUnkForRelease==0) &&
1776 (pmedium->u.hBitmap!=0) )
1777 DeleteObject(pmedium->u.hBitmap);
1782 if ( (pmedium->pUnkForRelease==0) &&
1783 (pmedium->u.hMetaFilePict!=0) )
1785 LPMETAFILEPICT pMP = GlobalLock(pmedium->u.hMetaFilePict);
1786 DeleteMetaFile(pMP->hMF);
1787 GlobalUnlock(pmedium->u.hMetaFilePict);
1788 GlobalFree(pmedium->u.hMetaFilePict);
1794 if ( (pmedium->pUnkForRelease==0) &&
1795 (pmedium->u.hEnhMetaFile!=0) )
1797 DeleteEnhMetaFile(pmedium->u.hEnhMetaFile);
1805 pmedium->tymed=TYMED_NULL;
1808 * After cleaning up, the unknown is released
1810 if (pmedium->pUnkForRelease!=0)
1812 IUnknown_Release(pmedium->pUnkForRelease);
1813 pmedium->pUnkForRelease = 0;
1818 * OLEDD_Initialize()
1820 * Initializes the OLE drag and drop data structures.
1822 static void OLEDD_Initialize()
1826 ZeroMemory (&wndClass, sizeof(WNDCLASSA));
1827 wndClass.style = CS_GLOBALCLASS;
1828 wndClass.lpfnWndProc = OLEDD_DragTrackerWindowProc;
1829 wndClass.cbClsExtra = 0;
1830 wndClass.cbWndExtra = sizeof(TrackerWindowInfo*);
1831 wndClass.hCursor = 0;
1832 wndClass.hbrBackground = 0;
1833 wndClass.lpszClassName = OLEDD_DRAGTRACKERCLASS;
1835 RegisterClassA (&wndClass);
1839 * OLEDD_UnInitialize()
1841 * Releases the OLE drag and drop data structures.
1843 static void OLEDD_UnInitialize()
1846 * Simply empty the list.
1848 while (targetListHead!=NULL)
1850 RevokeDragDrop(targetListHead->hwndTarget);
1855 * OLEDD_InsertDropTarget()
1857 * Insert the target node in the tree.
1859 static void OLEDD_InsertDropTarget(DropTargetNode* nodeToAdd)
1861 DropTargetNode* curNode;
1862 DropTargetNode** parentNodeLink;
1865 * Iterate the tree to find the insertion point.
1867 curNode = targetListHead;
1868 parentNodeLink = &targetListHead;
1870 while (curNode!=NULL)
1872 if (nodeToAdd->hwndTarget<curNode->hwndTarget)
1875 * If the node we want to add has a smaller HWND, go left
1877 parentNodeLink = &curNode->prevDropTarget;
1878 curNode = curNode->prevDropTarget;
1880 else if (nodeToAdd->hwndTarget>curNode->hwndTarget)
1883 * If the node we want to add has a larger HWND, go right
1885 parentNodeLink = &curNode->nextDropTarget;
1886 curNode = curNode->nextDropTarget;
1891 * The item was found in the list. It shouldn't have been there
1899 * If we get here, we have found a spot for our item. The parentNodeLink
1900 * pointer points to the pointer that we have to modify.
1901 * The curNode should be NULL. We just have to establish the link and Voila!
1903 assert(curNode==NULL);
1904 assert(parentNodeLink!=NULL);
1905 assert(*parentNodeLink==NULL);
1907 *parentNodeLink=nodeToAdd;
1911 * OLEDD_ExtractDropTarget()
1913 * Removes the target node from the tree.
1915 static DropTargetNode* OLEDD_ExtractDropTarget(HWND hwndOfTarget)
1917 DropTargetNode* curNode;
1918 DropTargetNode** parentNodeLink;
1921 * Iterate the tree to find the insertion point.
1923 curNode = targetListHead;
1924 parentNodeLink = &targetListHead;
1926 while (curNode!=NULL)
1928 if (hwndOfTarget<curNode->hwndTarget)
1931 * If the node we want to add has a smaller HWND, go left
1933 parentNodeLink = &curNode->prevDropTarget;
1934 curNode = curNode->prevDropTarget;
1936 else if (hwndOfTarget>curNode->hwndTarget)
1939 * If the node we want to add has a larger HWND, go right
1941 parentNodeLink = &curNode->nextDropTarget;
1942 curNode = curNode->nextDropTarget;
1947 * The item was found in the list. Detach it from it's parent and
1948 * re-insert it's kids in the tree.
1950 assert(parentNodeLink!=NULL);
1951 assert(*parentNodeLink==curNode);
1954 * We arbitrately re-attach the left sub-tree to the parent.
1956 *parentNodeLink = curNode->prevDropTarget;
1959 * And we re-insert the right subtree
1961 if (curNode->nextDropTarget!=NULL)
1963 OLEDD_InsertDropTarget(curNode->nextDropTarget);
1967 * The node we found is still a valid node once we complete
1968 * the unlinking of the kids.
1970 curNode->nextDropTarget=NULL;
1971 curNode->prevDropTarget=NULL;
1978 * If we get here, the node is not in the tree
1984 * OLEDD_FindDropTarget()
1986 * Finds information about the drop target.
1988 static DropTargetNode* OLEDD_FindDropTarget(HWND hwndOfTarget)
1990 DropTargetNode* curNode;
1993 * Iterate the tree to find the HWND value.
1995 curNode = targetListHead;
1997 while (curNode!=NULL)
1999 if (hwndOfTarget<curNode->hwndTarget)
2002 * If the node we want to add has a smaller HWND, go left
2004 curNode = curNode->prevDropTarget;
2006 else if (hwndOfTarget>curNode->hwndTarget)
2009 * If the node we want to add has a larger HWND, go right
2011 curNode = curNode->nextDropTarget;
2016 * The item was found in the list.
2023 * If we get here, the item is not in the list
2029 * OLEDD_DragTrackerWindowProc()
2031 * This method is the WindowProcedure of the drag n drop tracking
2032 * window. During a drag n Drop operation, an invisible window is created
2033 * to receive the user input and act upon it. This procedure is in charge
2036 static LRESULT WINAPI OLEDD_DragTrackerWindowProc(
2046 LPCREATESTRUCTA createStruct = (LPCREATESTRUCTA)lParam;
2048 SetWindowLongA(hwnd, 0, (LONG)createStruct->lpCreateParams);
2055 TrackerWindowInfo* trackerInfo = (TrackerWindowInfo*)GetWindowLongA(hwnd, 0);
2059 * Get the current mouse position in screen coordinates.
2061 mousePos.x = LOWORD(lParam);
2062 mousePos.y = HIWORD(lParam);
2063 ClientToScreen(hwnd, &mousePos);
2066 * Track the movement of the mouse.
2068 OLEDD_TrackMouseMove(trackerInfo, mousePos, wParam);
2075 case WM_LBUTTONDOWN:
2076 case WM_MBUTTONDOWN:
2077 case WM_RBUTTONDOWN:
2079 TrackerWindowInfo* trackerInfo = (TrackerWindowInfo*)GetWindowLongA(hwnd, 0);
2083 * Get the current mouse position in screen coordinates.
2085 mousePos.x = LOWORD(lParam);
2086 mousePos.y = HIWORD(lParam);
2087 ClientToScreen(hwnd, &mousePos);
2090 * Notify everyone that the button state changed
2091 * TODO: Check if the "escape" key was pressed.
2093 OLEDD_TrackStateChange(trackerInfo, mousePos, wParam);
2100 * This is a window proc after all. Let's call the default.
2102 return DefWindowProcA (hwnd, uMsg, wParam, lParam);
2106 * OLEDD_TrackMouseMove()
2108 * This method is invoked while a drag and drop operation is in effect.
2109 * it will generate the appropriate callbacks in the drop source
2110 * and drop target. It will also provide the expected feedback to
2114 * trackerInfo - Pointer to the structure identifying the
2115 * drag & drop operation that is currently
2117 * mousePos - Current position of the mouse in screen
2119 * keyState - Contains the state of the shift keys and the
2120 * mouse buttons (MK_LBUTTON and the like)
2122 static void OLEDD_TrackMouseMove(
2123 TrackerWindowInfo* trackerInfo,
2127 HWND hwndNewTarget = 0;
2131 * Get the handle of the window under the mouse
2133 hwndNewTarget = WindowFromPoint(mousePos);
2136 * Every time, we re-initialize the effects passed to the
2137 * IDropTarget to the effects allowed by the source.
2139 *trackerInfo->pdwEffect = trackerInfo->dwOKEffect;
2142 * If we are hovering over the same target as before, send the
2143 * DragOver notification
2145 if ( (trackerInfo->curDragTarget != 0) &&
2146 (trackerInfo->curTargetHWND == hwndNewTarget) )
2148 POINTL mousePosParam;
2151 * The documentation tells me that the coordinate should be in the target
2152 * window's coordinate space. However, the tests I made tell me the
2153 * coordinates should be in screen coordinates.
2155 mousePosParam.x = mousePos.x;
2156 mousePosParam.y = mousePos.y;
2158 IDropTarget_DragOver(trackerInfo->curDragTarget,
2161 trackerInfo->pdwEffect);
2165 DropTargetNode* newDropTargetNode = 0;
2168 * If we changed window, we have to notify our old target and check for
2171 if (trackerInfo->curDragTarget!=0)
2173 IDropTarget_DragLeave(trackerInfo->curDragTarget);
2177 * Make sure we're hovering over a window.
2179 if (hwndNewTarget!=0)
2182 * Find-out if there is a drag target under the mouse
2184 HWND nexttar = hwndNewTarget;
2185 trackerInfo->curTargetHWND = hwndNewTarget;
2188 newDropTargetNode = OLEDD_FindDropTarget(nexttar);
2189 } while (!newDropTargetNode && (nexttar = GetParent(nexttar)) != 0);
2190 if(nexttar) hwndNewTarget = nexttar;
2192 trackerInfo->curDragTargetHWND = hwndNewTarget;
2193 trackerInfo->curDragTarget = newDropTargetNode ? newDropTargetNode->dropTarget : 0;
2196 * If there is, notify it that we just dragged-in
2198 if (trackerInfo->curDragTarget!=0)
2200 POINTL mousePosParam;
2203 * The documentation tells me that the coordinate should be in the target
2204 * window's coordinate space. However, the tests I made tell me the
2205 * coordinates should be in screen coordinates.
2207 mousePosParam.x = mousePos.x;
2208 mousePosParam.y = mousePos.y;
2210 IDropTarget_DragEnter(trackerInfo->curDragTarget,
2211 trackerInfo->dataObject,
2214 trackerInfo->pdwEffect);
2220 * The mouse is not over a window so we don't track anything.
2222 trackerInfo->curDragTargetHWND = 0;
2223 trackerInfo->curTargetHWND = 0;
2224 trackerInfo->curDragTarget = 0;
2229 * Now that we have done that, we have to tell the source to give
2230 * us feedback on the work being done by the target. If we don't
2231 * have a target, simulate no effect.
2233 if (trackerInfo->curDragTarget==0)
2235 *trackerInfo->pdwEffect = DROPEFFECT_NONE;
2238 hr = IDropSource_GiveFeedback(trackerInfo->dropSource,
2239 *trackerInfo->pdwEffect);
2242 * When we ask for feedback from the drop source, sometimes it will
2243 * do all the necessary work and sometimes it will not handle it
2244 * when that's the case, we must display the standard drag and drop
2247 if (hr==DRAGDROP_S_USEDEFAULTCURSORS)
2249 if (*trackerInfo->pdwEffect & DROPEFFECT_MOVE)
2251 SetCursor(LoadCursorA(OLE32_hInstance, MAKEINTRESOURCEA(1)));
2253 else if (*trackerInfo->pdwEffect & DROPEFFECT_COPY)
2255 SetCursor(LoadCursorA(OLE32_hInstance, MAKEINTRESOURCEA(2)));
2257 else if (*trackerInfo->pdwEffect & DROPEFFECT_LINK)
2259 SetCursor(LoadCursorA(OLE32_hInstance, MAKEINTRESOURCEA(3)));
2263 SetCursor(LoadCursorA(OLE32_hInstance, MAKEINTRESOURCEA(0)));
2269 * OLEDD_TrackStateChange()
2271 * This method is invoked while a drag and drop operation is in effect.
2272 * It is used to notify the drop target/drop source callbacks when
2273 * the state of the keyboard or mouse button change.
2276 * trackerInfo - Pointer to the structure identifying the
2277 * drag & drop operation that is currently
2279 * mousePos - Current position of the mouse in screen
2281 * keyState - Contains the state of the shift keys and the
2282 * mouse buttons (MK_LBUTTON and the like)
2284 static void OLEDD_TrackStateChange(
2285 TrackerWindowInfo* trackerInfo,
2290 * Ask the drop source what to do with the operation.
2292 trackerInfo->returnValue = IDropSource_QueryContinueDrag(
2293 trackerInfo->dropSource,
2294 trackerInfo->escPressed,
2298 * All the return valued will stop the operation except the S_OK
2301 if (trackerInfo->returnValue!=S_OK)
2304 * Make sure the message loop in DoDragDrop stops
2306 trackerInfo->trackingDone = TRUE;
2309 * Release the mouse in case the drop target decides to show a popup
2310 * or a menu or something.
2315 * If we end-up over a target, drop the object in the target or
2316 * inform the target that the operation was cancelled.
2318 if (trackerInfo->curDragTarget!=0)
2320 switch (trackerInfo->returnValue)
2323 * If the source wants us to complete the operation, we tell
2324 * the drop target that we just dropped the object in it.
2326 case DRAGDROP_S_DROP:
2328 POINTL mousePosParam;
2331 * The documentation tells me that the coordinate should be
2332 * in the target window's coordinate space. However, the tests
2333 * I made tell me the coordinates should be in screen coordinates.
2335 mousePosParam.x = mousePos.x;
2336 mousePosParam.y = mousePos.y;
2338 IDropTarget_Drop(trackerInfo->curDragTarget,
2339 trackerInfo->dataObject,
2342 trackerInfo->pdwEffect);
2346 * If the source told us that we should cancel, fool the drop
2347 * target by telling it that the mouse left it's window.
2348 * Also set the drop effect to "NONE" in case the application
2349 * ignores the result of DoDragDrop.
2351 case DRAGDROP_S_CANCEL:
2352 IDropTarget_DragLeave(trackerInfo->curDragTarget);
2353 *trackerInfo->pdwEffect = DROPEFFECT_NONE;
2361 * OLEDD_GetButtonState()
2363 * This method will use the current state of the keyboard to build
2364 * a button state mask equivalent to the one passed in the
2365 * WM_MOUSEMOVE wParam.
2367 static DWORD OLEDD_GetButtonState()
2369 BYTE keyboardState[256];
2372 GetKeyboardState(keyboardState);
2374 if ( (keyboardState[VK_SHIFT] & 0x80) !=0)
2375 keyMask |= MK_SHIFT;
2377 if ( (keyboardState[VK_CONTROL] & 0x80) !=0)
2378 keyMask |= MK_CONTROL;
2380 if ( (keyboardState[VK_LBUTTON] & 0x80) !=0)
2381 keyMask |= MK_LBUTTON;
2383 if ( (keyboardState[VK_RBUTTON] & 0x80) !=0)
2384 keyMask |= MK_RBUTTON;
2386 if ( (keyboardState[VK_MBUTTON] & 0x80) !=0)
2387 keyMask |= MK_MBUTTON;
2393 * OLEDD_GetButtonState()
2395 * This method will read the default value of the registry key in
2396 * parameter and extract a DWORD value from it. The registry key value
2397 * can be in a string key or a DWORD key.
2400 * regKey - Key to read the default value from
2401 * pdwValue - Pointer to the location where the DWORD
2402 * value is returned. This value is not modified
2403 * if the value is not found.
2406 static void OLEUTL_ReadRegistryDWORDValue(
2415 lres = RegQueryValueExA(regKey,
2422 if (lres==ERROR_SUCCESS)
2427 *pdwValue = *(DWORD*)buffer;
2432 *pdwValue = (DWORD)strtoul(buffer, NULL, 10);
2438 /******************************************************************************
2441 * The operation of this function is documented literally in the WinAPI
2442 * documentation to involve a QueryInterface for the IViewObject interface,
2443 * followed by a call to IViewObject::Draw.
2445 HRESULT WINAPI OleDraw(
2452 IViewObject *viewobject;
2454 hres = IUnknown_QueryInterface(pUnk,
2456 (void**)&viewobject);
2458 if (SUCCEEDED(hres))
2462 rectl.left = lprcBounds->left;
2463 rectl.right = lprcBounds->right;
2464 rectl.top = lprcBounds->top;
2465 rectl.bottom = lprcBounds->bottom;
2466 hres = IViewObject_Draw(viewobject, dwAspect, -1, 0, 0, 0, hdcDraw, &rectl, 0, 0, 0);
2468 IViewObject_Release(viewobject);
2473 return DV_E_NOIVIEWOBJECT;
2477 /***********************************************************************
2478 * OleTranslateAccelerator [OLE32.@]
2480 HRESULT WINAPI OleTranslateAccelerator (LPOLEINPLACEFRAME lpFrame,
2481 LPOLEINPLACEFRAMEINFO lpFrameInfo, LPMSG lpmsg)
2485 TRACE("(%p,%p,%p)\n", lpFrame, lpFrameInfo, lpmsg);
2487 if (IsAccelerator(lpFrameInfo->haccel,lpFrameInfo->cAccelEntries,lpmsg,&wID))
2488 return IOleInPlaceFrame_TranslateAccelerator(lpFrame,lpmsg,wID);
2493 /******************************************************************************
2494 * OleCreate [OLE32.@]
2497 HRESULT WINAPI OleCreate(
2501 LPFORMATETC pFormatEtc,
2502 LPOLECLIENTSITE pClientSite,
2506 HRESULT hres, hres1;
2507 IUnknown * pUnk = NULL;
2509 FIXME("\n\t%s\n\t%s semi-stub!\n", debugstr_guid(rclsid), debugstr_guid(riid));
2511 if (SUCCEEDED((hres = CoCreateInstance(rclsid, 0, CLSCTX_INPROC_SERVER|CLSCTX_INPROC_HANDLER|CLSCTX_LOCAL_SERVER , riid, (LPVOID*)&pUnk))))
2516 IPersistStorage * pPS;
2517 if (SUCCEEDED((hres = IUnknown_QueryInterface( pUnk, &IID_IOleObject, (LPVOID*)&pOE))))
2519 TRACE("trying to set clientsite %p\n", pClientSite);
2520 hres1 = IOleObject_SetClientSite(pOE, pClientSite);
2521 TRACE("-- result 0x%08lx\n", hres1);
2522 IOleObject_Release(pOE);
2524 if (SUCCEEDED((hres = IUnknown_QueryInterface( pUnk, &IID_IPersistStorage, (LPVOID*)&pPS))))
2526 TRACE("trying to set stg %p\n", pStg);
2527 hres1 = IPersistStorage_InitNew(pPS, pStg);
2528 TRACE("-- result 0x%08lx\n", hres1);
2529 IPersistStorage_Release(pPS);
2536 TRACE("-- %p\n", pUnk);
2540 /******************************************************************************
2541 * OleSetAutoConvert [OLE32.@]
2543 HRESULT WINAPI OleSetAutoConvert(REFCLSID clsidOld, REFCLSID clsidNew)
2545 static const WCHAR wszAutoConvertTo[] = {'A','u','t','o','C','o','n','v','e','r','t','T','o',0};
2547 WCHAR szClsidNew[CHARS_IN_GUID];
2550 TRACE("(%s,%s)\n", debugstr_guid(clsidOld), debugstr_guid(clsidNew));
2552 res = COM_OpenKeyForCLSID(clsidOld, NULL, KEY_READ | KEY_WRITE, &hkey);
2555 StringFromGUID2(clsidNew, szClsidNew, CHARS_IN_GUID);
2556 if (RegSetValueW(hkey, wszAutoConvertTo, REG_SZ, szClsidNew, (strlenW(szClsidNew)+1) * sizeof(WCHAR)))
2558 res = REGDB_E_WRITEREGDB;
2563 if (hkey) RegCloseKey(hkey);
2567 /******************************************************************************
2568 * OleDoAutoConvert [OLE32.@]
2570 HRESULT WINAPI OleDoAutoConvert(LPSTORAGE pStg, LPCLSID pClsidNew)
2572 FIXME("(%p,%p) : stub\n",pStg,pClsidNew);
2576 /******************************************************************************
2577 * OleIsRunning [OLE32.@]
2579 BOOL WINAPI OleIsRunning(LPOLEOBJECT pObject)
2581 IRunnableObject *pRunnable;
2585 TRACE("(%p)\n", pObject);
2587 hr = IOleObject_QueryInterface(pObject, &IID_IRunnableObject, (void **)&pRunnable);
2590 running = IRunnableObject_IsRunning(pRunnable);
2591 IRunnableObject_Release(pRunnable);
2595 /***********************************************************************
2596 * OLE_FreeClipDataArray [internal]
2599 * frees the data associated with an array of CLIPDATAs
2601 static void OLE_FreeClipDataArray(ULONG count, CLIPDATA * pClipDataArray)
2604 for (i = 0; i < count; i++)
2605 if (pClipDataArray[i].pClipData)
2606 CoTaskMemFree(pClipDataArray[i].pClipData);
2609 /***********************************************************************
2610 * PropSysAllocString [OLE32.@]
2612 * Basically a copy of SysAllocStringLen.
2614 BSTR WINAPI PropSysAllocString(LPCOLESTR str)
2618 WCHAR* stringBuffer;
2623 len = lstrlenW(str);
2625 * Find the length of the buffer passed-in in bytes.
2627 bufferSize = len * sizeof (WCHAR);
2630 * Allocate a new buffer to hold the string.
2631 * don't forget to keep an empty spot at the beginning of the
2632 * buffer for the character count and an extra character at the
2635 newBuffer = HeapAlloc(GetProcessHeap(), 0,
2636 bufferSize + sizeof(WCHAR) + sizeof(DWORD));
2639 * If the memory allocation failed, return a null pointer.
2645 * Copy the length of the string in the placeholder.
2647 *newBuffer = bufferSize;
2650 * Skip the byte count.
2655 * Copy the information in the buffer.
2656 * Since it is valid to pass a NULL pointer here, we'll initialize the
2657 * buffer to nul if it is the case.
2660 memcpy(newBuffer, str, bufferSize);
2662 memset(newBuffer, 0, bufferSize);
2665 * Make sure that there is a nul character at the end of the
2668 stringBuffer = (WCHAR*)newBuffer;
2669 stringBuffer[len] = L'\0';
2671 return (LPWSTR)stringBuffer;
2674 /***********************************************************************
2675 * PropSysFreeString [OLE32.@]
2677 * Copy of SysFreeString.
2679 void WINAPI PropSysFreeString(LPOLESTR str)
2681 DWORD* bufferPointer;
2683 /* NULL is a valid parameter */
2687 * We have to be careful when we free a BSTR pointer, it points to
2688 * the beginning of the string but it skips the byte count contained
2689 * before the string.
2691 bufferPointer = (DWORD*)str;
2696 * Free the memory from its "real" origin.
2698 HeapFree(GetProcessHeap(), 0, bufferPointer);
2701 /******************************************************************************
2702 * Check if a PROPVARIANT's type is valid.
2704 static inline HRESULT PROPVARIANT_ValidateType(VARTYPE vt)
2730 case VT_STREAMED_OBJECT:
2731 case VT_STORED_OBJECT:
2732 case VT_BLOB_OBJECT:
2735 case VT_I2|VT_VECTOR:
2736 case VT_I4|VT_VECTOR:
2737 case VT_R4|VT_VECTOR:
2738 case VT_R8|VT_VECTOR:
2739 case VT_CY|VT_VECTOR:
2740 case VT_DATE|VT_VECTOR:
2741 case VT_BSTR|VT_VECTOR:
2742 case VT_ERROR|VT_VECTOR:
2743 case VT_BOOL|VT_VECTOR:
2744 case VT_VARIANT|VT_VECTOR:
2745 case VT_UI1|VT_VECTOR:
2746 case VT_UI2|VT_VECTOR:
2747 case VT_UI4|VT_VECTOR:
2748 case VT_I8|VT_VECTOR:
2749 case VT_UI8|VT_VECTOR:
2750 case VT_LPSTR|VT_VECTOR:
2751 case VT_LPWSTR|VT_VECTOR:
2752 case VT_FILETIME|VT_VECTOR:
2753 case VT_CF|VT_VECTOR:
2754 case VT_CLSID|VT_VECTOR:
2757 WARN("Bad type %d\n", vt);
2758 return STG_E_INVALIDPARAMETER;
2761 /***********************************************************************
2762 * PropVariantClear [OLE32.@]
2764 HRESULT WINAPI PropVariantClear(PROPVARIANT * pvar) /* [in/out] */
2768 TRACE("(%p)\n", pvar);
2773 hr = PROPVARIANT_ValidateType(pvar->vt);
2780 case VT_STREAMED_OBJECT:
2782 case VT_STORED_OBJECT:
2783 if (pvar->u.pStream)
2784 IUnknown_Release(pvar->u.pStream);
2789 /* pick an arbitary typed pointer - we don't care about the type
2790 * as we are just freeing it */
2791 CoTaskMemFree(pvar->u.puuid);
2794 case VT_BLOB_OBJECT:
2795 CoTaskMemFree(pvar->u.blob.pBlobData);
2798 if (pvar->u.bstrVal)
2799 PropSysFreeString(pvar->u.bstrVal);
2802 if (pvar->u.pclipdata)
2804 OLE_FreeClipDataArray(1, pvar->u.pclipdata);
2805 CoTaskMemFree(pvar->u.pclipdata);
2809 if (pvar->vt & VT_VECTOR)
2813 switch (pvar->vt & ~VT_VECTOR)
2816 FreePropVariantArray(pvar->u.capropvar.cElems, pvar->u.capropvar.pElems);
2819 OLE_FreeClipDataArray(pvar->u.caclipdata.cElems, pvar->u.caclipdata.pElems);
2822 for (i = 0; i < pvar->u.cabstr.cElems; i++)
2823 PropSysFreeString(pvar->u.cabstr.pElems[i]);
2826 for (i = 0; i < pvar->u.calpstr.cElems; i++)
2827 CoTaskMemFree(pvar->u.calpstr.pElems[i]);
2830 for (i = 0; i < pvar->u.calpwstr.cElems; i++)
2831 CoTaskMemFree(pvar->u.calpwstr.pElems[i]);
2834 if (pvar->vt & ~VT_VECTOR)
2836 /* pick an arbitary VT_VECTOR structure - they all have the same
2838 CoTaskMemFree(pvar->u.capropvar.pElems);
2842 WARN("Invalid/unsupported type %d\n", pvar->vt);
2845 ZeroMemory(pvar, sizeof(*pvar));
2850 /***********************************************************************
2851 * PropVariantCopy [OLE32.@]
2853 HRESULT WINAPI PropVariantCopy(PROPVARIANT *pvarDest, /* [out] */
2854 const PROPVARIANT *pvarSrc) /* [in] */
2859 TRACE("(%p, %p)\n", pvarDest, pvarSrc);
2861 hr = PROPVARIANT_ValidateType(pvarSrc->vt);
2865 /* this will deal with most cases */
2866 CopyMemory(pvarDest, pvarSrc, sizeof(*pvarDest));
2871 case VT_STREAMED_OBJECT:
2873 case VT_STORED_OBJECT:
2874 IUnknown_AddRef((LPUNKNOWN)pvarDest->u.pStream);
2877 pvarDest->u.puuid = CoTaskMemAlloc(sizeof(CLSID));
2878 CopyMemory(pvarDest->u.puuid, pvarSrc->u.puuid, sizeof(CLSID));
2881 len = strlen(pvarSrc->u.pszVal);
2882 pvarDest->u.pszVal = CoTaskMemAlloc((len+1)*sizeof(CHAR));
2883 CopyMemory(pvarDest->u.pszVal, pvarSrc->u.pszVal, (len+1)*sizeof(CHAR));
2886 len = lstrlenW(pvarSrc->u.pwszVal);
2887 pvarDest->u.pwszVal = CoTaskMemAlloc((len+1)*sizeof(WCHAR));
2888 CopyMemory(pvarDest->u.pwszVal, pvarSrc->u.pwszVal, (len+1)*sizeof(WCHAR));
2891 case VT_BLOB_OBJECT:
2892 if (pvarSrc->u.blob.pBlobData)
2894 len = pvarSrc->u.blob.cbSize;
2895 pvarDest->u.blob.pBlobData = CoTaskMemAlloc(len);
2896 CopyMemory(pvarDest->u.blob.pBlobData, pvarSrc->u.blob.pBlobData, len);
2900 pvarDest->u.bstrVal = PropSysAllocString(pvarSrc->u.bstrVal);
2903 if (pvarSrc->u.pclipdata)
2905 len = pvarSrc->u.pclipdata->cbSize - sizeof(pvarSrc->u.pclipdata->ulClipFmt);
2906 CoTaskMemAlloc(len);
2907 CopyMemory(pvarDest->u.pclipdata->pClipData, pvarSrc->u.pclipdata->pClipData, len);
2911 if (pvarSrc->vt & VT_VECTOR)
2916 switch(pvarSrc->vt & ~VT_VECTOR)
2918 case VT_I1: elemSize = sizeof(pvarSrc->u.cVal); break;
2919 case VT_UI1: elemSize = sizeof(pvarSrc->u.bVal); break;
2920 case VT_I2: elemSize = sizeof(pvarSrc->u.iVal); break;
2921 case VT_UI2: elemSize = sizeof(pvarSrc->u.uiVal); break;
2922 case VT_BOOL: elemSize = sizeof(pvarSrc->u.boolVal); break;
2923 case VT_I4: elemSize = sizeof(pvarSrc->u.lVal); break;
2924 case VT_UI4: elemSize = sizeof(pvarSrc->u.ulVal); break;
2925 case VT_R4: elemSize = sizeof(pvarSrc->u.fltVal); break;
2926 case VT_R8: elemSize = sizeof(pvarSrc->u.dblVal); break;
2927 case VT_ERROR: elemSize = sizeof(pvarSrc->u.scode); break;
2928 case VT_I8: elemSize = sizeof(pvarSrc->u.hVal); break;
2929 case VT_UI8: elemSize = sizeof(pvarSrc->u.uhVal); break;
2930 case VT_CY: elemSize = sizeof(pvarSrc->u.cyVal); break;
2931 case VT_DATE: elemSize = sizeof(pvarSrc->u.date); break;
2932 case VT_FILETIME: elemSize = sizeof(pvarSrc->u.filetime); break;
2933 case VT_CLSID: elemSize = sizeof(*pvarSrc->u.puuid); break;
2934 case VT_CF: elemSize = sizeof(*pvarSrc->u.pclipdata); break;
2935 case VT_BSTR: elemSize = sizeof(*pvarSrc->u.bstrVal); break;
2936 case VT_LPSTR: elemSize = sizeof(*pvarSrc->u.pszVal); break;
2937 case VT_LPWSTR: elemSize = sizeof(*pvarSrc->u.pwszVal); break;
2941 FIXME("Invalid element type: %ul\n", pvarSrc->vt & ~VT_VECTOR);
2942 return E_INVALIDARG;
2944 len = pvarSrc->u.capropvar.cElems;
2945 pvarDest->u.capropvar.pElems = CoTaskMemAlloc(len * elemSize);
2946 if (pvarSrc->vt == (VT_VECTOR | VT_VARIANT))
2948 for (i = 0; i < len; i++)
2949 PropVariantCopy(&pvarDest->u.capropvar.pElems[i], &pvarSrc->u.capropvar.pElems[i]);
2951 else if (pvarSrc->vt == (VT_VECTOR | VT_CF))
2953 FIXME("Copy clipformats\n");
2955 else if (pvarSrc->vt == (VT_VECTOR | VT_BSTR))
2957 for (i = 0; i < len; i++)
2958 pvarDest->u.cabstr.pElems[i] = PropSysAllocString(pvarSrc->u.cabstr.pElems[i]);
2960 else if (pvarSrc->vt == (VT_VECTOR | VT_LPSTR))
2963 for (i = 0; i < len; i++)
2965 strLen = lstrlenA(pvarSrc->u.calpstr.pElems[i]) + 1;
2966 pvarDest->u.calpstr.pElems[i] = CoTaskMemAlloc(strLen);
2967 memcpy(pvarDest->u.calpstr.pElems[i],
2968 pvarSrc->u.calpstr.pElems[i], strLen);
2971 else if (pvarSrc->vt == (VT_VECTOR | VT_LPWSTR))
2974 for (i = 0; i < len; i++)
2976 strLen = (lstrlenW(pvarSrc->u.calpwstr.pElems[i]) + 1) *
2978 pvarDest->u.calpstr.pElems[i] = CoTaskMemAlloc(strLen);
2979 memcpy(pvarDest->u.calpstr.pElems[i],
2980 pvarSrc->u.calpstr.pElems[i], strLen);
2984 CopyMemory(pvarDest->u.capropvar.pElems, pvarSrc->u.capropvar.pElems, len * elemSize);
2987 WARN("Invalid/unsupported type %d\n", pvarSrc->vt);
2993 /***********************************************************************
2994 * FreePropVariantArray [OLE32.@]
2996 HRESULT WINAPI FreePropVariantArray(ULONG cVariants, /* [in] */
2997 PROPVARIANT *rgvars) /* [in/out] */
3001 TRACE("(%lu, %p)\n", cVariants, rgvars);
3003 for(i = 0; i < cVariants; i++)
3004 PropVariantClear(&rgvars[i]);
3009 /******************************************************************************
3010 * DllDebugObjectRPCHook (OLE32.@)
3011 * turns on and off internal debugging, pointer is only used on macintosh
3014 BOOL WINAPI DllDebugObjectRPCHook(BOOL b, void *dummy)