xolehlp: Fix calling convention.
[wine.git] / dlls / ole32 / ole2.c
bloba1a4b9ac999f0d8e31db5b49ecf99cb8c1e1d724
1 /*
2 * OLE2 library
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
9 * Copyright 2011 Adam Martinson for CodeWeavers
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
26 #include "config.h"
28 #include <assert.h>
29 #include <stdlib.h>
30 #include <stdarg.h>
31 #include <stdio.h>
32 #include <string.h>
34 #define COBJMACROS
35 #define NONAMELESSUNION
36 #define NONAMELESSSTRUCT
38 #include "windef.h"
39 #include "winbase.h"
40 #include "winerror.h"
41 #include "wingdi.h"
42 #include "winuser.h"
43 #include "winnls.h"
44 #include "winreg.h"
45 #include "ole2.h"
46 #include "ole2ver.h"
48 #include "wine/unicode.h"
49 #include "compobj_private.h"
50 #include "wine/list.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 tagTrackerWindowInfo
63 IDataObject* dataObject;
64 IDropSource* dropSource;
65 DWORD dwOKEffect;
66 DWORD* pdwEffect;
67 BOOL trackingDone;
68 HRESULT returnValue;
70 BOOL escPressed;
71 HWND curTargetHWND; /* window the mouse is hovering over */
72 HWND curDragTargetHWND; /* might be a ancestor of curTargetHWND */
73 IDropTarget* curDragTarget;
74 POINTL curMousePos; /* current position of the mouse in screen coordinates */
75 DWORD dwKeyState; /* current state of the shift and ctrl keys and the mouse buttons */
76 } TrackerWindowInfo;
78 typedef struct tagOleMenuDescriptor /* OleMenuDescriptor */
80 HWND hwndFrame; /* The containers frame window */
81 HWND hwndActiveObject; /* The active objects window */
82 OLEMENUGROUPWIDTHS mgw; /* OLE menu group widths for the shared menu */
83 HMENU hmenuCombined; /* The combined menu */
84 BOOL bIsServerItem; /* True if the currently open popup belongs to the server */
85 } OleMenuDescriptor;
87 typedef struct tagOleMenuHookItem /* OleMenu hook item in per thread hook list */
89 DWORD tid; /* Thread Id */
90 HANDLE hHeap; /* Heap this is allocated from */
91 HHOOK GetMsg_hHook; /* message hook for WH_GETMESSAGE */
92 HHOOK CallWndProc_hHook; /* message hook for WH_CALLWNDPROC */
93 struct tagOleMenuHookItem *next;
94 } OleMenuHookItem;
96 static OleMenuHookItem *hook_list;
99 * This is the lock count on the OLE library. It is controlled by the
100 * OLEInitialize/OLEUninitialize methods.
102 static LONG OLE_moduleLockCount = 0;
105 * Name of our registered window class.
107 static const WCHAR OLEDD_DRAGTRACKERCLASS[] =
108 {'W','i','n','e','D','r','a','g','D','r','o','p','T','r','a','c','k','e','r','3','2',0};
111 * Name of menu descriptor property.
113 static const WCHAR prop_olemenuW[] =
114 {'P','R','O','P','_','O','L','E','M','e','n','u','D','e','s','c','r','i','p','t','o','r',0};
116 /* property to store IDropTarget pointer */
117 static const WCHAR prop_oledroptarget[] =
118 {'O','l','e','D','r','o','p','T','a','r','g','e','t','I','n','t','e','r','f','a','c','e',0};
120 /* property to store Marshalled IDropTarget pointer */
121 static const WCHAR prop_marshalleddroptarget[] =
122 {'W','i','n','e','M','a','r','s','h','a','l','l','e','d','D','r','o','p','T','a','r','g','e','t',0};
124 static const WCHAR clsidfmtW[] =
125 {'C','L','S','I','D','\\','{','%','0','8','x','-','%','0','4','x','-','%','0','4','x','-',
126 '%','0','2','x','%','0','2','x','-','%','0','2','x','%','0','2','x','%','0','2','x','%','0','2','x',
127 '%','0','2','x','%','0','2','x','}','\\',0};
129 static const WCHAR emptyW[] = { 0 };
131 /******************************************************************************
132 * These are the prototypes of miscellaneous utility methods
134 static void OLEUTL_ReadRegistryDWORDValue(HKEY regKey, DWORD* pdwValue);
136 /******************************************************************************
137 * These are the prototypes of the utility methods used to manage a shared menu
139 static void OLEMenu_Initialize(void);
140 static void OLEMenu_UnInitialize(void);
141 static BOOL OLEMenu_InstallHooks( DWORD tid );
142 static BOOL OLEMenu_UnInstallHooks( DWORD tid );
143 static OleMenuHookItem * OLEMenu_IsHookInstalled( DWORD tid );
144 static BOOL OLEMenu_FindMainMenuIndex( HMENU hMainMenu, HMENU hPopupMenu, UINT *pnPos );
145 static BOOL OLEMenu_SetIsServerMenu( HMENU hmenu, OleMenuDescriptor *pOleMenuDescriptor );
146 static LRESULT CALLBACK OLEMenu_CallWndProc(INT code, WPARAM wParam, LPARAM lParam);
147 static LRESULT CALLBACK OLEMenu_GetMsgProc(INT code, WPARAM wParam, LPARAM lParam);
149 /******************************************************************************
150 * These are the prototypes of the OLE Clipboard initialization methods (in clipboard.c)
152 extern void OLEClipbrd_UnInitialize(void);
153 extern void OLEClipbrd_Initialize(void);
155 /******************************************************************************
156 * These are the prototypes of the utility methods used for OLE Drag n Drop
158 static void OLEDD_Initialize(void);
159 static LRESULT WINAPI OLEDD_DragTrackerWindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
160 static void OLEDD_TrackMouseMove(TrackerWindowInfo* trackerInfo);
161 static void OLEDD_TrackStateChange(TrackerWindowInfo* trackerInfo);
162 static DWORD OLEDD_GetButtonState(void);
164 /******************************************************************************
165 * OleBuildVersion [OLE32.@]
167 DWORD WINAPI OleBuildVersion(void)
169 TRACE("Returning version %d, build %d.\n", rmm, rup);
170 return (rmm<<16)+rup;
173 /***********************************************************************
174 * OleInitialize (OLE32.@)
176 HRESULT WINAPI OleInitialize(LPVOID reserved)
178 HRESULT hr;
180 TRACE("(%p)\n", reserved);
183 * The first duty of the OleInitialize is to initialize the COM libraries.
185 hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
188 * If the CoInitializeEx call failed, the OLE libraries can't be
189 * initialized.
191 if (FAILED(hr))
192 return hr;
194 if (!COM_CurrentInfo()->ole_inits)
195 hr = S_OK;
198 * Then, it has to initialize the OLE specific modules.
199 * This includes:
200 * Clipboard
201 * Drag and Drop
202 * Object linking and Embedding
203 * In-place activation
205 if (!COM_CurrentInfo()->ole_inits++ &&
206 InterlockedIncrement(&OLE_moduleLockCount) == 1)
209 * Initialize the libraries.
211 TRACE("() - Initializing the OLE libraries\n");
214 * OLE Clipboard
216 OLEClipbrd_Initialize();
219 * Drag and Drop
221 OLEDD_Initialize();
224 * OLE shared menu
226 OLEMenu_Initialize();
229 return hr;
232 /******************************************************************************
233 * OleUninitialize [OLE32.@]
235 void WINAPI OleUninitialize(void)
237 TRACE("()\n");
240 * If we hit the bottom of the lock stack, free the libraries.
242 if (!--COM_CurrentInfo()->ole_inits && !InterlockedDecrement(&OLE_moduleLockCount))
245 * Actually free the libraries.
247 TRACE("() - Freeing the last reference count\n");
250 * OLE Clipboard
252 OLEClipbrd_UnInitialize();
255 * OLE shared menu
257 OLEMenu_UnInitialize();
261 * Then, uninitialize the COM libraries.
263 CoUninitialize();
266 /******************************************************************************
267 * OleInitializeWOW [OLE32.@]
269 HRESULT WINAPI OleInitializeWOW(DWORD x, DWORD y) {
270 FIXME("(0x%08x, 0x%08x),stub!\n",x, y);
271 return 0;
274 /*************************************************************
275 * get_droptarget_handle
277 * Retrieve a handle to the map containing the marshalled IDropTarget.
278 * This handle belongs to the process that called RegisterDragDrop.
279 * See get_droptarget_local_handle().
281 static inline HANDLE get_droptarget_handle(HWND hwnd)
283 return GetPropW(hwnd, prop_marshalleddroptarget);
286 /*************************************************************
287 * is_droptarget
289 * Is the window a droptarget.
291 static inline BOOL is_droptarget(HWND hwnd)
293 return get_droptarget_handle(hwnd) != 0;
296 /*************************************************************
297 * get_droptarget_local_handle
299 * Retrieve a handle to the map containing the marshalled IDropTarget.
300 * The handle should be closed when finished with.
302 static HANDLE get_droptarget_local_handle(HWND hwnd)
304 HANDLE handle, local_handle = 0;
306 handle = get_droptarget_handle(hwnd);
308 if(handle)
310 DWORD pid;
311 HANDLE process;
313 GetWindowThreadProcessId(hwnd, &pid);
314 process = OpenProcess(PROCESS_DUP_HANDLE, FALSE, pid);
315 if(process)
317 DuplicateHandle(process, handle, GetCurrentProcess(), &local_handle, 0, FALSE, DUPLICATE_SAME_ACCESS);
318 CloseHandle(process);
321 return local_handle;
324 /***********************************************************************
325 * create_map_from_stream
327 * Helper for RegisterDragDrop. Creates a file mapping object
328 * with the contents of the provided stream. The stream must
329 * be a global memory backed stream.
331 static HRESULT create_map_from_stream(IStream *stream, HANDLE *map)
333 HGLOBAL hmem;
334 DWORD size;
335 HRESULT hr;
336 void *data;
338 hr = GetHGlobalFromStream(stream, &hmem);
339 if(FAILED(hr)) return hr;
341 size = GlobalSize(hmem);
342 *map = CreateFileMappingW(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, size, NULL);
343 if(!*map) return E_OUTOFMEMORY;
345 data = MapViewOfFile(*map, FILE_MAP_WRITE, 0, 0, size);
346 memcpy(data, GlobalLock(hmem), size);
347 GlobalUnlock(hmem);
348 UnmapViewOfFile(data);
349 return S_OK;
352 /***********************************************************************
353 * create_stream_from_map
355 * Creates a stream from the provided map.
357 static HRESULT create_stream_from_map(HANDLE map, IStream **stream)
359 HRESULT hr = E_OUTOFMEMORY;
360 HGLOBAL hmem;
361 void *data;
362 MEMORY_BASIC_INFORMATION info;
364 data = MapViewOfFile(map, FILE_MAP_READ, 0, 0, 0);
365 if(!data) return hr;
367 VirtualQuery(data, &info, sizeof(info));
368 TRACE("size %d\n", (int)info.RegionSize);
370 hmem = GlobalAlloc(GMEM_MOVEABLE, info.RegionSize);
371 if(hmem)
373 memcpy(GlobalLock(hmem), data, info.RegionSize);
374 GlobalUnlock(hmem);
375 hr = CreateStreamOnHGlobal(hmem, TRUE, stream);
377 UnmapViewOfFile(data);
378 return hr;
381 /* This is to work around apps which break COM rules by not implementing
382 * IDropTarget::QueryInterface(). Windows doesn't expose this because it
383 * doesn't call CoMarshallInterface() in RegisterDragDrop().
384 * The wrapper is only used internally, and only exists for the life of
385 * the marshal. We don't want to hold a ref on the app provided target
386 * as some apps destroy this prior to CoUninitialize without calling
387 * RevokeDragDrop. The only (long-term) ref is held by the window prop. */
388 typedef struct {
389 IDropTarget IDropTarget_iface;
390 HWND hwnd;
391 LONG refs;
392 } DropTargetWrapper;
394 static inline DropTargetWrapper* impl_from_IDropTarget(IDropTarget* iface)
396 return CONTAINING_RECORD(iface, DropTargetWrapper, IDropTarget_iface);
399 static HRESULT WINAPI DropTargetWrapper_QueryInterface(IDropTarget* iface,
400 REFIID riid,
401 void** ppvObject)
403 DropTargetWrapper* This = impl_from_IDropTarget(iface);
404 if (IsEqualIID(riid, &IID_IUnknown) ||
405 IsEqualIID(riid, &IID_IDropTarget))
407 IDropTarget_AddRef(&This->IDropTarget_iface);
408 *ppvObject = &This->IDropTarget_iface;
409 return S_OK;
411 *ppvObject = NULL;
412 return E_NOINTERFACE;
415 static ULONG WINAPI DropTargetWrapper_AddRef(IDropTarget* iface)
417 DropTargetWrapper* This = impl_from_IDropTarget(iface);
418 return InterlockedIncrement(&This->refs);
421 static ULONG WINAPI DropTargetWrapper_Release(IDropTarget* iface)
423 DropTargetWrapper* This = impl_from_IDropTarget(iface);
424 ULONG refs = InterlockedDecrement(&This->refs);
425 if (!refs) HeapFree(GetProcessHeap(), 0, This);
426 return refs;
429 static inline HRESULT get_target_from_wrapper( IDropTarget *wrapper, IDropTarget **target )
431 DropTargetWrapper* This = impl_from_IDropTarget( wrapper );
432 *target = GetPropW( This->hwnd, prop_oledroptarget );
433 if (!*target) return DRAGDROP_E_NOTREGISTERED;
434 IDropTarget_AddRef( *target );
435 return S_OK;
438 static HRESULT WINAPI DropTargetWrapper_DragEnter(IDropTarget* iface,
439 IDataObject* pDataObj,
440 DWORD grfKeyState,
441 POINTL pt,
442 DWORD* pdwEffect)
444 IDropTarget *target;
445 HRESULT r = get_target_from_wrapper( iface, &target );
447 if (SUCCEEDED( r ))
449 r = IDropTarget_DragEnter( target, pDataObj, grfKeyState, pt, pdwEffect );
450 IDropTarget_Release( target );
452 return r;
455 static HRESULT WINAPI DropTargetWrapper_DragOver(IDropTarget* iface,
456 DWORD grfKeyState,
457 POINTL pt,
458 DWORD* pdwEffect)
460 IDropTarget *target;
461 HRESULT r = get_target_from_wrapper( iface, &target );
463 if (SUCCEEDED( r ))
465 r = IDropTarget_DragOver( target, grfKeyState, pt, pdwEffect );
466 IDropTarget_Release( target );
468 return r;
471 static HRESULT WINAPI DropTargetWrapper_DragLeave(IDropTarget* iface)
473 IDropTarget *target;
474 HRESULT r = get_target_from_wrapper( iface, &target );
476 if (SUCCEEDED( r ))
478 r = IDropTarget_DragLeave( target );
479 IDropTarget_Release( target );
481 return r;
484 static HRESULT WINAPI DropTargetWrapper_Drop(IDropTarget* iface,
485 IDataObject* pDataObj,
486 DWORD grfKeyState,
487 POINTL pt,
488 DWORD* pdwEffect)
490 IDropTarget *target;
491 HRESULT r = get_target_from_wrapper( iface, &target );
493 if (SUCCEEDED( r ))
495 r = IDropTarget_Drop( target, pDataObj, grfKeyState, pt, pdwEffect );
496 IDropTarget_Release( target );
498 return r;
501 static const IDropTargetVtbl DropTargetWrapperVTbl =
503 DropTargetWrapper_QueryInterface,
504 DropTargetWrapper_AddRef,
505 DropTargetWrapper_Release,
506 DropTargetWrapper_DragEnter,
507 DropTargetWrapper_DragOver,
508 DropTargetWrapper_DragLeave,
509 DropTargetWrapper_Drop
512 static IDropTarget* WrapDropTarget( HWND hwnd )
514 DropTargetWrapper* This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
516 if (This)
518 This->IDropTarget_iface.lpVtbl = &DropTargetWrapperVTbl;
519 This->hwnd = hwnd;
520 This->refs = 1;
522 return &This->IDropTarget_iface;
525 /***********************************************************************
526 * get_droptarget_pointer
528 * Retrieves the marshalled IDropTarget from the window.
530 static IDropTarget* get_droptarget_pointer(HWND hwnd)
532 IDropTarget *droptarget = NULL;
533 HANDLE map;
534 IStream *stream;
536 map = get_droptarget_local_handle(hwnd);
537 if(!map) return NULL;
539 if(SUCCEEDED(create_stream_from_map(map, &stream)))
541 CoUnmarshalInterface(stream, &IID_IDropTarget, (void**)&droptarget);
542 IStream_Release(stream);
544 CloseHandle(map);
545 return droptarget;
548 /***********************************************************************
549 * RegisterDragDrop (OLE32.@)
551 HRESULT WINAPI RegisterDragDrop(HWND hwnd, LPDROPTARGET pDropTarget)
553 DWORD pid = 0;
554 HRESULT hr;
555 IStream *stream;
556 HANDLE map;
557 IDropTarget *wrapper;
559 TRACE("(%p,%p)\n", hwnd, pDropTarget);
561 if (!COM_CurrentApt())
563 ERR("COM not initialized\n");
564 return E_OUTOFMEMORY;
567 if (!pDropTarget)
568 return E_INVALIDARG;
570 if (!IsWindow(hwnd))
572 ERR("invalid hwnd %p\n", hwnd);
573 return DRAGDROP_E_INVALIDHWND;
576 /* block register for other processes windows */
577 GetWindowThreadProcessId(hwnd, &pid);
578 if (pid != GetCurrentProcessId())
580 FIXME("register for another process windows is disabled\n");
581 return DRAGDROP_E_INVALIDHWND;
584 /* check if the window is already registered */
585 if (is_droptarget(hwnd))
586 return DRAGDROP_E_ALREADYREGISTERED;
589 * Marshal the drop target pointer into a shared memory map and
590 * store the map's handle in a Wine specific window prop. We also
591 * store the drop target pointer itself in the
592 * "OleDropTargetInterface" prop for compatibility with Windows.
595 hr = CreateStreamOnHGlobal(NULL, TRUE, &stream);
596 if(FAILED(hr)) return hr;
598 /* IDropTarget::QueryInterface() shouldn't be called, some (broken) apps depend on this. */
599 wrapper = WrapDropTarget( hwnd );
600 if(!wrapper)
602 IStream_Release(stream);
603 return E_OUTOFMEMORY;
605 hr = CoMarshalInterface(stream, &IID_IDropTarget, (IUnknown*)wrapper, MSHCTX_LOCAL, NULL, MSHLFLAGS_TABLESTRONG);
606 IDropTarget_Release(wrapper);
608 if(SUCCEEDED(hr))
610 hr = create_map_from_stream(stream, &map);
611 if(SUCCEEDED(hr))
613 IDropTarget_AddRef(pDropTarget);
614 SetPropW(hwnd, prop_oledroptarget, pDropTarget);
615 SetPropW(hwnd, prop_marshalleddroptarget, map);
617 else
619 LARGE_INTEGER zero;
620 zero.QuadPart = 0;
621 IStream_Seek(stream, zero, STREAM_SEEK_SET, NULL);
622 CoReleaseMarshalData(stream);
625 IStream_Release(stream);
627 return hr;
630 /***********************************************************************
631 * RevokeDragDrop (OLE32.@)
633 HRESULT WINAPI RevokeDragDrop(HWND hwnd)
635 HANDLE map;
636 IStream *stream;
637 IDropTarget *drop_target;
638 HRESULT hr;
640 TRACE("(%p)\n", hwnd);
642 if (!IsWindow(hwnd))
644 ERR("invalid hwnd %p\n", hwnd);
645 return DRAGDROP_E_INVALIDHWND;
648 /* no registration data */
649 if (!(map = get_droptarget_handle(hwnd)))
650 return DRAGDROP_E_NOTREGISTERED;
652 drop_target = GetPropW(hwnd, prop_oledroptarget);
653 if(drop_target) IDropTarget_Release(drop_target);
655 RemovePropW(hwnd, prop_oledroptarget);
656 RemovePropW(hwnd, prop_marshalleddroptarget);
658 hr = create_stream_from_map(map, &stream);
659 if(SUCCEEDED(hr))
661 CoReleaseMarshalData(stream);
662 IStream_Release(stream);
664 CloseHandle(map);
666 return hr;
669 /***********************************************************************
670 * OleRegGetUserType (OLE32.@)
672 * This implementation of OleRegGetUserType ignores the dwFormOfType
673 * parameter and always returns the full name of the object. This is
674 * not too bad since this is the case for many objects because of the
675 * way they are registered.
677 HRESULT WINAPI OleRegGetUserType(
678 REFCLSID clsid,
679 DWORD dwFormOfType,
680 LPOLESTR* pszUserType)
682 WCHAR keyName[60];
683 DWORD dwKeyType;
684 DWORD cbData;
685 HKEY clsidKey;
686 LONG hres;
689 * Initialize the out parameter.
691 *pszUserType = NULL;
694 * Build the key name we're looking for
696 sprintfW( keyName, clsidfmtW,
697 clsid->Data1, clsid->Data2, clsid->Data3,
698 clsid->Data4[0], clsid->Data4[1], clsid->Data4[2], clsid->Data4[3],
699 clsid->Data4[4], clsid->Data4[5], clsid->Data4[6], clsid->Data4[7] );
701 TRACE("(%s, %d, %p)\n", debugstr_w(keyName), dwFormOfType, pszUserType);
704 * Open the class id Key
706 hres = open_classes_key(HKEY_CLASSES_ROOT, keyName, MAXIMUM_ALLOWED, &clsidKey);
707 if (hres != ERROR_SUCCESS)
708 return REGDB_E_CLASSNOTREG;
711 * Retrieve the size of the name string.
713 cbData = 0;
715 hres = RegQueryValueExW(clsidKey,
716 emptyW,
717 NULL,
718 &dwKeyType,
719 NULL,
720 &cbData);
722 if (hres!=ERROR_SUCCESS)
724 RegCloseKey(clsidKey);
725 return REGDB_E_READREGDB;
729 * Allocate a buffer for the registry value.
731 *pszUserType = CoTaskMemAlloc(cbData);
733 if (*pszUserType==NULL)
735 RegCloseKey(clsidKey);
736 return E_OUTOFMEMORY;
739 hres = RegQueryValueExW(clsidKey,
740 emptyW,
741 NULL,
742 &dwKeyType,
743 (LPBYTE) *pszUserType,
744 &cbData);
746 RegCloseKey(clsidKey);
748 if (hres != ERROR_SUCCESS)
750 CoTaskMemFree(*pszUserType);
751 *pszUserType = NULL;
753 return REGDB_E_READREGDB;
756 return S_OK;
759 /***********************************************************************
760 * DoDragDrop [OLE32.@]
762 HRESULT WINAPI DoDragDrop (
763 IDataObject *pDataObject, /* [in] ptr to the data obj */
764 IDropSource* pDropSource, /* [in] ptr to the source obj */
765 DWORD dwOKEffect, /* [in] effects allowed by the source */
766 DWORD *pdwEffect) /* [out] ptr to effects of the source */
768 static const WCHAR trackerW[] = {'T','r','a','c','k','e','r','W','i','n','d','o','w',0};
769 TrackerWindowInfo trackerInfo;
770 HWND hwndTrackWindow;
771 MSG msg;
773 TRACE("(%p, %p, %08x, %p)\n", pDataObject, pDropSource, dwOKEffect, pdwEffect);
775 if (!pDataObject || !pDropSource || !pdwEffect)
776 return E_INVALIDARG;
779 * Setup the drag n drop tracking window.
782 trackerInfo.dataObject = pDataObject;
783 trackerInfo.dropSource = pDropSource;
784 trackerInfo.dwOKEffect = dwOKEffect;
785 trackerInfo.pdwEffect = pdwEffect;
786 trackerInfo.trackingDone = FALSE;
787 trackerInfo.escPressed = FALSE;
788 trackerInfo.curDragTargetHWND = 0;
789 trackerInfo.curTargetHWND = 0;
790 trackerInfo.curDragTarget = 0;
792 hwndTrackWindow = CreateWindowW(OLEDD_DRAGTRACKERCLASS, trackerW,
793 WS_POPUP, CW_USEDEFAULT, CW_USEDEFAULT,
794 CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, 0,
795 &trackerInfo);
797 if (hwndTrackWindow)
800 * Capture the mouse input
802 SetCapture(hwndTrackWindow);
804 msg.message = 0;
807 * Pump messages. All mouse input should go to the capture window.
809 while (!trackerInfo.trackingDone && GetMessageW(&msg, 0, 0, 0) )
811 trackerInfo.curMousePos.x = msg.pt.x;
812 trackerInfo.curMousePos.y = msg.pt.y;
813 trackerInfo.dwKeyState = OLEDD_GetButtonState();
815 if ( (msg.message >= WM_KEYFIRST) &&
816 (msg.message <= WM_KEYLAST) )
819 * When keyboard messages are sent to windows on this thread, we
820 * want to ignore notify the drop source that the state changed.
821 * in the case of the Escape key, we also notify the drop source
822 * we give it a special meaning.
824 if ( (msg.message==WM_KEYDOWN) &&
825 (msg.wParam==VK_ESCAPE) )
827 trackerInfo.escPressed = TRUE;
831 * Notify the drop source.
833 OLEDD_TrackStateChange(&trackerInfo);
835 else
838 * Dispatch the messages only when it's not a keyboard message.
840 DispatchMessageW(&msg);
844 /* re-post the quit message to outer message loop */
845 if (msg.message == WM_QUIT)
846 PostQuitMessage(msg.wParam);
848 * Destroy the temporary window.
850 DestroyWindow(hwndTrackWindow);
852 return trackerInfo.returnValue;
855 return E_FAIL;
858 /***********************************************************************
859 * OleQueryLinkFromData [OLE32.@]
861 HRESULT WINAPI OleQueryLinkFromData(
862 IDataObject* pSrcDataObject)
864 FIXME("(%p),stub!\n", pSrcDataObject);
865 return S_FALSE;
868 /***********************************************************************
869 * OleRegGetMiscStatus [OLE32.@]
871 HRESULT WINAPI OleRegGetMiscStatus(
872 REFCLSID clsid,
873 DWORD dwAspect,
874 DWORD* pdwStatus)
876 static const WCHAR miscstatusW[] = {'M','i','s','c','S','t','a','t','u','s',0};
877 static const WCHAR dfmtW[] = {'%','d',0};
878 WCHAR keyName[60];
879 HKEY clsidKey;
880 HKEY miscStatusKey;
881 HKEY aspectKey;
882 LONG result;
885 * Initialize the out parameter.
887 *pdwStatus = 0;
890 * Build the key name we're looking for
892 sprintfW( keyName, clsidfmtW,
893 clsid->Data1, clsid->Data2, clsid->Data3,
894 clsid->Data4[0], clsid->Data4[1], clsid->Data4[2], clsid->Data4[3],
895 clsid->Data4[4], clsid->Data4[5], clsid->Data4[6], clsid->Data4[7] );
897 TRACE("(%s, %d, %p)\n", debugstr_w(keyName), dwAspect, pdwStatus);
900 * Open the class id Key
902 result = open_classes_key(HKEY_CLASSES_ROOT, keyName, MAXIMUM_ALLOWED, &clsidKey);
903 if (result != ERROR_SUCCESS)
904 return REGDB_E_CLASSNOTREG;
907 * Get the MiscStatus
909 result = open_classes_key(clsidKey, miscstatusW, MAXIMUM_ALLOWED, &miscStatusKey);
910 if (result != ERROR_SUCCESS)
912 RegCloseKey(clsidKey);
913 return REGDB_E_READREGDB;
917 * Read the default value
919 OLEUTL_ReadRegistryDWORDValue(miscStatusKey, pdwStatus);
922 * Open the key specific to the requested aspect.
924 sprintfW(keyName, dfmtW, dwAspect);
926 result = open_classes_key(miscStatusKey, keyName, MAXIMUM_ALLOWED, &aspectKey);
927 if (result == ERROR_SUCCESS)
929 OLEUTL_ReadRegistryDWORDValue(aspectKey, pdwStatus);
930 RegCloseKey(aspectKey);
934 * Cleanup
936 RegCloseKey(miscStatusKey);
937 RegCloseKey(clsidKey);
939 return S_OK;
942 static HRESULT EnumOLEVERB_Construct(HKEY hkeyVerb, ULONG index, IEnumOLEVERB **ppenum);
944 typedef struct
946 IEnumOLEVERB IEnumOLEVERB_iface;
947 LONG ref;
949 HKEY hkeyVerb;
950 ULONG index;
951 } EnumOLEVERB;
953 static inline EnumOLEVERB *impl_from_IEnumOLEVERB(IEnumOLEVERB *iface)
955 return CONTAINING_RECORD(iface, EnumOLEVERB, IEnumOLEVERB_iface);
958 static HRESULT WINAPI EnumOLEVERB_QueryInterface(
959 IEnumOLEVERB *iface, REFIID riid, void **ppv)
961 TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
962 if (IsEqualIID(riid, &IID_IUnknown) ||
963 IsEqualIID(riid, &IID_IEnumOLEVERB))
965 IEnumOLEVERB_AddRef(iface);
966 *ppv = iface;
967 return S_OK;
969 return E_NOINTERFACE;
972 static ULONG WINAPI EnumOLEVERB_AddRef(
973 IEnumOLEVERB *iface)
975 EnumOLEVERB *This = impl_from_IEnumOLEVERB(iface);
976 TRACE("()\n");
977 return InterlockedIncrement(&This->ref);
980 static ULONG WINAPI EnumOLEVERB_Release(
981 IEnumOLEVERB *iface)
983 EnumOLEVERB *This = impl_from_IEnumOLEVERB(iface);
984 LONG refs = InterlockedDecrement(&This->ref);
985 TRACE("()\n");
986 if (!refs)
988 RegCloseKey(This->hkeyVerb);
989 HeapFree(GetProcessHeap(), 0, This);
991 return refs;
994 static HRESULT WINAPI EnumOLEVERB_Next(
995 IEnumOLEVERB *iface, ULONG celt, LPOLEVERB rgelt,
996 ULONG *pceltFetched)
998 EnumOLEVERB *This = impl_from_IEnumOLEVERB(iface);
999 HRESULT hr = S_OK;
1001 TRACE("(%d, %p, %p)\n", celt, rgelt, pceltFetched);
1003 if (pceltFetched)
1004 *pceltFetched = 0;
1006 for (; celt; celt--, rgelt++)
1008 WCHAR wszSubKey[20];
1009 LONG cbData;
1010 LPWSTR pwszOLEVERB;
1011 LPWSTR pwszMenuFlags;
1012 LPWSTR pwszAttribs;
1013 LONG res = RegEnumKeyW(This->hkeyVerb, This->index, wszSubKey, sizeof(wszSubKey)/sizeof(wszSubKey[0]));
1014 if (res == ERROR_NO_MORE_ITEMS)
1016 hr = S_FALSE;
1017 break;
1019 else if (res != ERROR_SUCCESS)
1021 ERR("RegEnumKeyW failed with error %d\n", res);
1022 hr = REGDB_E_READREGDB;
1023 break;
1025 res = RegQueryValueW(This->hkeyVerb, wszSubKey, NULL, &cbData);
1026 if (res != ERROR_SUCCESS)
1028 ERR("RegQueryValueW failed with error %d\n", res);
1029 hr = REGDB_E_READREGDB;
1030 break;
1032 pwszOLEVERB = CoTaskMemAlloc(cbData);
1033 if (!pwszOLEVERB)
1035 hr = E_OUTOFMEMORY;
1036 break;
1038 res = RegQueryValueW(This->hkeyVerb, wszSubKey, pwszOLEVERB, &cbData);
1039 if (res != ERROR_SUCCESS)
1041 ERR("RegQueryValueW failed with error %d\n", res);
1042 hr = REGDB_E_READREGDB;
1043 CoTaskMemFree(pwszOLEVERB);
1044 break;
1047 TRACE("verb string: %s\n", debugstr_w(pwszOLEVERB));
1048 pwszMenuFlags = strchrW(pwszOLEVERB, ',');
1049 if (!pwszMenuFlags)
1051 hr = OLEOBJ_E_INVALIDVERB;
1052 CoTaskMemFree(pwszOLEVERB);
1053 break;
1055 /* nul terminate the name string and advance to first character */
1056 *pwszMenuFlags = '\0';
1057 pwszMenuFlags++;
1058 pwszAttribs = strchrW(pwszMenuFlags, ',');
1059 if (!pwszAttribs)
1061 hr = OLEOBJ_E_INVALIDVERB;
1062 CoTaskMemFree(pwszOLEVERB);
1063 break;
1065 /* nul terminate the menu string and advance to first character */
1066 *pwszAttribs = '\0';
1067 pwszAttribs++;
1069 /* fill out structure for this verb */
1070 rgelt->lVerb = atolW(wszSubKey);
1071 rgelt->lpszVerbName = pwszOLEVERB; /* user should free */
1072 rgelt->fuFlags = atolW(pwszMenuFlags);
1073 rgelt->grfAttribs = atolW(pwszAttribs);
1075 if (pceltFetched)
1076 (*pceltFetched)++;
1077 This->index++;
1079 return hr;
1082 static HRESULT WINAPI EnumOLEVERB_Skip(
1083 IEnumOLEVERB *iface, ULONG celt)
1085 EnumOLEVERB *This = impl_from_IEnumOLEVERB(iface);
1087 TRACE("(%d)\n", celt);
1089 This->index += celt;
1090 return S_OK;
1093 static HRESULT WINAPI EnumOLEVERB_Reset(
1094 IEnumOLEVERB *iface)
1096 EnumOLEVERB *This = impl_from_IEnumOLEVERB(iface);
1098 TRACE("()\n");
1100 This->index = 0;
1101 return S_OK;
1104 static HRESULT WINAPI EnumOLEVERB_Clone(
1105 IEnumOLEVERB *iface,
1106 IEnumOLEVERB **ppenum)
1108 EnumOLEVERB *This = impl_from_IEnumOLEVERB(iface);
1109 HKEY hkeyVerb;
1110 TRACE("(%p)\n", ppenum);
1111 if (!DuplicateHandle(GetCurrentProcess(), This->hkeyVerb, GetCurrentProcess(), (HANDLE *)&hkeyVerb, 0, FALSE, DUPLICATE_SAME_ACCESS))
1112 return HRESULT_FROM_WIN32(GetLastError());
1113 return EnumOLEVERB_Construct(hkeyVerb, This->index, ppenum);
1116 static const IEnumOLEVERBVtbl EnumOLEVERB_VTable =
1118 EnumOLEVERB_QueryInterface,
1119 EnumOLEVERB_AddRef,
1120 EnumOLEVERB_Release,
1121 EnumOLEVERB_Next,
1122 EnumOLEVERB_Skip,
1123 EnumOLEVERB_Reset,
1124 EnumOLEVERB_Clone
1127 static HRESULT EnumOLEVERB_Construct(HKEY hkeyVerb, ULONG index, IEnumOLEVERB **ppenum)
1129 EnumOLEVERB *This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
1130 if (!This)
1132 RegCloseKey(hkeyVerb);
1133 return E_OUTOFMEMORY;
1135 This->IEnumOLEVERB_iface.lpVtbl = &EnumOLEVERB_VTable;
1136 This->ref = 1;
1137 This->index = index;
1138 This->hkeyVerb = hkeyVerb;
1139 *ppenum = &This->IEnumOLEVERB_iface;
1140 return S_OK;
1143 /***********************************************************************
1144 * OleRegEnumVerbs [OLE32.@]
1146 * Enumerates verbs associated with a class stored in the registry.
1148 * PARAMS
1149 * clsid [I] Class ID to enumerate the verbs for.
1150 * ppenum [O] Enumerator.
1152 * RETURNS
1153 * S_OK: Success.
1154 * REGDB_E_CLASSNOTREG: The specified class does not have a key in the registry.
1155 * REGDB_E_READREGDB: The class key could not be opened for some other reason.
1156 * OLE_E_REGDB_KEY: The Verb subkey for the class is not present.
1157 * OLEOBJ_E_NOVERBS: The Verb subkey for the class is empty.
1159 HRESULT WINAPI OleRegEnumVerbs (REFCLSID clsid, LPENUMOLEVERB* ppenum)
1161 LONG res;
1162 HKEY hkeyVerb;
1163 DWORD dwSubKeys;
1164 static const WCHAR wszVerb[] = {'V','e','r','b',0};
1166 TRACE("(%s, %p)\n", debugstr_guid(clsid), ppenum);
1168 res = COM_OpenKeyForCLSID(clsid, wszVerb, KEY_READ, &hkeyVerb);
1169 if (FAILED(res))
1171 if (res == REGDB_E_CLASSNOTREG)
1172 ERR("CLSID %s not registered\n", debugstr_guid(clsid));
1173 else if (res == REGDB_E_KEYMISSING)
1174 ERR("no Verbs key for class %s\n", debugstr_guid(clsid));
1175 else
1176 ERR("failed to open Verbs key for CLSID %s with error %d\n",
1177 debugstr_guid(clsid), res);
1178 return res;
1181 res = RegQueryInfoKeyW(hkeyVerb, NULL, NULL, NULL, &dwSubKeys, NULL,
1182 NULL, NULL, NULL, NULL, NULL, NULL);
1183 if (res != ERROR_SUCCESS)
1185 ERR("failed to get subkey count with error %d\n", GetLastError());
1186 return REGDB_E_READREGDB;
1189 if (!dwSubKeys)
1191 WARN("class %s has no verbs\n", debugstr_guid(clsid));
1192 RegCloseKey(hkeyVerb);
1193 return OLEOBJ_E_NOVERBS;
1196 return EnumOLEVERB_Construct(hkeyVerb, 0, ppenum);
1199 /******************************************************************************
1200 * OleSetContainedObject [OLE32.@]
1202 HRESULT WINAPI OleSetContainedObject(
1203 LPUNKNOWN pUnknown,
1204 BOOL fContained)
1206 IRunnableObject* runnable = NULL;
1207 HRESULT hres;
1209 TRACE("(%p,%x)\n", pUnknown, fContained);
1211 hres = IUnknown_QueryInterface(pUnknown,
1212 &IID_IRunnableObject,
1213 (void**)&runnable);
1215 if (SUCCEEDED(hres))
1217 hres = IRunnableObject_SetContainedObject(runnable, fContained);
1219 IRunnableObject_Release(runnable);
1221 return hres;
1224 return S_OK;
1227 /******************************************************************************
1228 * OleRun [OLE32.@]
1230 * Set the OLE object to the running state.
1232 * PARAMS
1233 * pUnknown [I] OLE object to run.
1235 * RETURNS
1236 * Success: S_OK.
1237 * Failure: Any HRESULT code.
1239 HRESULT WINAPI OleRun(LPUNKNOWN pUnknown)
1241 IRunnableObject *runable;
1242 HRESULT hres;
1244 TRACE("(%p)\n", pUnknown);
1246 hres = IUnknown_QueryInterface(pUnknown, &IID_IRunnableObject, (void**)&runable);
1247 if (FAILED(hres))
1248 return S_OK; /* Appears to return no error. */
1250 hres = IRunnableObject_Run(runable, NULL);
1251 IRunnableObject_Release(runable);
1252 return hres;
1255 /******************************************************************************
1256 * OleLoad [OLE32.@]
1258 HRESULT WINAPI OleLoad(
1259 LPSTORAGE pStg,
1260 REFIID riid,
1261 LPOLECLIENTSITE pClientSite,
1262 LPVOID* ppvObj)
1264 IPersistStorage* persistStorage = NULL;
1265 IUnknown* pUnk;
1266 IOleObject* pOleObject = NULL;
1267 STATSTG storageInfo;
1268 HRESULT hres;
1270 TRACE("(%p, %s, %p, %p)\n", pStg, debugstr_guid(riid), pClientSite, ppvObj);
1272 *ppvObj = NULL;
1275 * TODO, Conversion ... OleDoAutoConvert
1279 * Get the class ID for the object.
1281 hres = IStorage_Stat(pStg, &storageInfo, STATFLAG_NONAME);
1284 * Now, try and create the handler for the object
1286 hres = CoCreateInstance(&storageInfo.clsid,
1287 NULL,
1288 CLSCTX_INPROC_HANDLER|CLSCTX_INPROC_SERVER,
1289 riid,
1290 (void**)&pUnk);
1293 * If that fails, as it will most times, load the default
1294 * OLE handler.
1296 if (FAILED(hres))
1298 hres = OleCreateDefaultHandler(&storageInfo.clsid,
1299 NULL,
1300 riid,
1301 (void**)&pUnk);
1305 * If we couldn't find a handler... this is bad. Abort the whole thing.
1307 if (FAILED(hres))
1308 return hres;
1310 if (pClientSite)
1312 hres = IUnknown_QueryInterface(pUnk, &IID_IOleObject, (void **)&pOleObject);
1313 if (SUCCEEDED(hres))
1315 DWORD dwStatus;
1316 hres = IOleObject_GetMiscStatus(pOleObject, DVASPECT_CONTENT, &dwStatus);
1321 * Initialize the object with its IPersistStorage interface.
1323 hres = IUnknown_QueryInterface(pUnk, &IID_IPersistStorage, (void**)&persistStorage);
1324 if (SUCCEEDED(hres))
1326 hres = IPersistStorage_Load(persistStorage, pStg);
1328 IPersistStorage_Release(persistStorage);
1329 persistStorage = NULL;
1332 if (SUCCEEDED(hres) && pClientSite)
1334 * Inform the new object of it's client site.
1336 hres = IOleObject_SetClientSite(pOleObject, pClientSite);
1339 * Cleanup interfaces used internally
1341 if (pOleObject)
1342 IOleObject_Release(pOleObject);
1344 if (SUCCEEDED(hres))
1346 IOleLink *pOleLink;
1347 HRESULT hres1;
1348 hres1 = IUnknown_QueryInterface(pUnk, &IID_IOleLink, (void **)&pOleLink);
1349 if (SUCCEEDED(hres1))
1351 FIXME("handle OLE link\n");
1352 IOleLink_Release(pOleLink);
1356 if (FAILED(hres))
1358 IUnknown_Release(pUnk);
1359 pUnk = NULL;
1362 *ppvObj = pUnk;
1364 return hres;
1367 /***********************************************************************
1368 * OleSave [OLE32.@]
1370 HRESULT WINAPI OleSave(
1371 LPPERSISTSTORAGE pPS,
1372 LPSTORAGE pStg,
1373 BOOL fSameAsLoad)
1375 HRESULT hres;
1376 CLSID objectClass;
1378 TRACE("(%p,%p,%x)\n", pPS, pStg, fSameAsLoad);
1381 * First, we transfer the class ID (if available)
1383 hres = IPersistStorage_GetClassID(pPS, &objectClass);
1385 if (SUCCEEDED(hres))
1387 WriteClassStg(pStg, &objectClass);
1391 * Then, we ask the object to save itself to the
1392 * storage. If it is successful, we commit the storage.
1394 hres = IPersistStorage_Save(pPS, pStg, fSameAsLoad);
1396 if (SUCCEEDED(hres))
1398 IStorage_Commit(pStg,
1399 STGC_DEFAULT);
1402 return hres;
1406 /******************************************************************************
1407 * OleLockRunning [OLE32.@]
1409 HRESULT WINAPI OleLockRunning(LPUNKNOWN pUnknown, BOOL fLock, BOOL fLastUnlockCloses)
1411 IRunnableObject* runnable = NULL;
1412 HRESULT hres;
1414 TRACE("(%p,%x,%x)\n", pUnknown, fLock, fLastUnlockCloses);
1416 hres = IUnknown_QueryInterface(pUnknown,
1417 &IID_IRunnableObject,
1418 (void**)&runnable);
1420 if (SUCCEEDED(hres))
1422 hres = IRunnableObject_LockRunning(runnable, fLock, fLastUnlockCloses);
1424 IRunnableObject_Release(runnable);
1426 return hres;
1429 return S_OK;
1433 /**************************************************************************
1434 * Internal methods to manage the shared OLE menu in response to the
1435 * OLE***MenuDescriptor API
1438 /***
1439 * OLEMenu_Initialize()
1441 * Initializes the OLEMENU data structures.
1443 static void OLEMenu_Initialize(void)
1447 /***
1448 * OLEMenu_UnInitialize()
1450 * Releases the OLEMENU data structures.
1452 static void OLEMenu_UnInitialize(void)
1456 /*************************************************************************
1457 * OLEMenu_InstallHooks
1458 * Install thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC
1460 * RETURNS: TRUE if message hooks were successfully installed
1461 * FALSE on failure
1463 static BOOL OLEMenu_InstallHooks( DWORD tid )
1465 OleMenuHookItem *pHookItem;
1467 /* Create an entry for the hook table */
1468 if ( !(pHookItem = HeapAlloc(GetProcessHeap(), 0,
1469 sizeof(OleMenuHookItem)) ) )
1470 return FALSE;
1472 pHookItem->tid = tid;
1473 pHookItem->hHeap = GetProcessHeap();
1474 pHookItem->CallWndProc_hHook = NULL;
1476 /* Install a thread scope message hook for WH_GETMESSAGE */
1477 pHookItem->GetMsg_hHook = SetWindowsHookExW( WH_GETMESSAGE, OLEMenu_GetMsgProc,
1478 0, GetCurrentThreadId() );
1479 if ( !pHookItem->GetMsg_hHook )
1480 goto CLEANUP;
1482 /* Install a thread scope message hook for WH_CALLWNDPROC */
1483 pHookItem->CallWndProc_hHook = SetWindowsHookExW( WH_CALLWNDPROC, OLEMenu_CallWndProc,
1484 0, GetCurrentThreadId() );
1485 if ( !pHookItem->CallWndProc_hHook )
1486 goto CLEANUP;
1488 /* Insert the hook table entry */
1489 pHookItem->next = hook_list;
1490 hook_list = pHookItem;
1492 return TRUE;
1494 CLEANUP:
1495 /* Unhook any hooks */
1496 if ( pHookItem->GetMsg_hHook )
1497 UnhookWindowsHookEx( pHookItem->GetMsg_hHook );
1498 if ( pHookItem->CallWndProc_hHook )
1499 UnhookWindowsHookEx( pHookItem->CallWndProc_hHook );
1500 /* Release the hook table entry */
1501 HeapFree(pHookItem->hHeap, 0, pHookItem );
1503 return FALSE;
1506 /*************************************************************************
1507 * OLEMenu_UnInstallHooks
1508 * UnInstall thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC
1510 * RETURNS: TRUE if message hooks were successfully installed
1511 * FALSE on failure
1513 static BOOL OLEMenu_UnInstallHooks( DWORD tid )
1515 OleMenuHookItem *pHookItem = NULL;
1516 OleMenuHookItem **ppHook = &hook_list;
1518 while (*ppHook)
1520 if ((*ppHook)->tid == tid)
1522 pHookItem = *ppHook;
1523 *ppHook = pHookItem->next;
1524 break;
1526 ppHook = &(*ppHook)->next;
1528 if (!pHookItem) return FALSE;
1530 /* Uninstall the hooks installed for this thread */
1531 if ( !UnhookWindowsHookEx( pHookItem->GetMsg_hHook ) )
1532 goto CLEANUP;
1533 if ( !UnhookWindowsHookEx( pHookItem->CallWndProc_hHook ) )
1534 goto CLEANUP;
1536 /* Release the hook table entry */
1537 HeapFree(pHookItem->hHeap, 0, pHookItem );
1539 return TRUE;
1541 CLEANUP:
1542 /* Release the hook table entry */
1543 HeapFree(pHookItem->hHeap, 0, pHookItem );
1545 return FALSE;
1548 /*************************************************************************
1549 * OLEMenu_IsHookInstalled
1550 * Tests if OLEMenu hooks have been installed for a thread
1552 * RETURNS: The pointer and index of the hook table entry for the tid
1553 * NULL and -1 for the index if no hooks were installed for this thread
1555 static OleMenuHookItem * OLEMenu_IsHookInstalled( DWORD tid )
1557 OleMenuHookItem *pHookItem;
1559 /* Do a simple linear search for an entry whose tid matches ours.
1560 * We really need a map but efficiency is not a concern here. */
1561 for (pHookItem = hook_list; pHookItem; pHookItem = pHookItem->next)
1563 if ( tid == pHookItem->tid )
1564 return pHookItem;
1567 return NULL;
1570 /***********************************************************************
1571 * OLEMenu_FindMainMenuIndex
1573 * Used by OLEMenu API to find the top level group a menu item belongs to.
1574 * On success pnPos contains the index of the item in the top level menu group
1576 * RETURNS: TRUE if the ID was found, FALSE on failure
1578 static BOOL OLEMenu_FindMainMenuIndex( HMENU hMainMenu, HMENU hPopupMenu, UINT *pnPos )
1580 INT i, nItems;
1582 nItems = GetMenuItemCount( hMainMenu );
1584 for (i = 0; i < nItems; i++)
1586 HMENU hsubmenu;
1588 /* Is the current item a submenu? */
1589 if ( (hsubmenu = GetSubMenu(hMainMenu, i)) )
1591 /* If the handle is the same we're done */
1592 if ( hsubmenu == hPopupMenu )
1594 if (pnPos)
1595 *pnPos = i;
1596 return TRUE;
1598 /* Recursively search without updating pnPos */
1599 else if ( OLEMenu_FindMainMenuIndex( hsubmenu, hPopupMenu, NULL ) )
1601 if (pnPos)
1602 *pnPos = i;
1603 return TRUE;
1608 return FALSE;
1611 /***********************************************************************
1612 * OLEMenu_SetIsServerMenu
1614 * Checks whether a popup menu belongs to a shared menu group which is
1615 * owned by the server, and sets the menu descriptor state accordingly.
1616 * All menu messages from these groups should be routed to the server.
1618 * RETURNS: TRUE if the popup menu is part of a server owned group
1619 * FALSE if the popup menu is part of a container owned group
1621 static BOOL OLEMenu_SetIsServerMenu( HMENU hmenu, OleMenuDescriptor *pOleMenuDescriptor )
1623 UINT nPos = 0, nWidth, i;
1625 pOleMenuDescriptor->bIsServerItem = FALSE;
1627 /* Don't bother searching if the popup is the combined menu itself */
1628 if ( hmenu == pOleMenuDescriptor->hmenuCombined )
1629 return FALSE;
1631 /* Find the menu item index in the shared OLE menu that this item belongs to */
1632 if ( !OLEMenu_FindMainMenuIndex( pOleMenuDescriptor->hmenuCombined, hmenu, &nPos ) )
1633 return FALSE;
1635 /* The group widths array has counts for the number of elements
1636 * in the groups File, Edit, Container, Object, Window, Help.
1637 * The Edit, Object & Help groups belong to the server object
1638 * and the other three belong to the container.
1639 * Loop through the group widths and locate the group we are a member of.
1641 for ( i = 0, nWidth = 0; i < 6; i++ )
1643 nWidth += pOleMenuDescriptor->mgw.width[i];
1644 if ( nPos < nWidth )
1646 /* Odd elements are server menu widths */
1647 pOleMenuDescriptor->bIsServerItem = i%2;
1648 break;
1652 return pOleMenuDescriptor->bIsServerItem;
1655 /*************************************************************************
1656 * OLEMenu_CallWndProc
1657 * Thread scope WH_CALLWNDPROC hook proc filter function (callback)
1658 * This is invoked from a message hook installed in OleSetMenuDescriptor.
1660 static LRESULT CALLBACK OLEMenu_CallWndProc(INT code, WPARAM wParam, LPARAM lParam)
1662 LPCWPSTRUCT pMsg;
1663 HOLEMENU hOleMenu = 0;
1664 OleMenuDescriptor *pOleMenuDescriptor = NULL;
1665 OleMenuHookItem *pHookItem = NULL;
1666 WORD fuFlags;
1668 TRACE("%i, %04lx, %08lx\n", code, wParam, lParam );
1670 /* Check if we're being asked to process the message */
1671 if ( HC_ACTION != code )
1672 goto NEXTHOOK;
1674 /* Retrieve the current message being dispatched from lParam */
1675 pMsg = (LPCWPSTRUCT)lParam;
1677 /* Check if the message is destined for a window we are interested in:
1678 * If the window has an OLEMenu property we may need to dispatch
1679 * the menu message to its active objects window instead. */
1681 hOleMenu = GetPropW( pMsg->hwnd, prop_olemenuW );
1682 if ( !hOleMenu )
1683 goto NEXTHOOK;
1685 /* Get the menu descriptor */
1686 pOleMenuDescriptor = GlobalLock( hOleMenu );
1687 if ( !pOleMenuDescriptor ) /* Bad descriptor! */
1688 goto NEXTHOOK;
1690 /* Process menu messages */
1691 switch( pMsg->message )
1693 case WM_INITMENU:
1695 /* Reset the menu descriptor state */
1696 pOleMenuDescriptor->bIsServerItem = FALSE;
1698 /* Send this message to the server as well */
1699 SendMessageW( pOleMenuDescriptor->hwndActiveObject,
1700 pMsg->message, pMsg->wParam, pMsg->lParam );
1701 goto NEXTHOOK;
1704 case WM_INITMENUPOPUP:
1706 /* Save the state for whether this is a server owned menu */
1707 OLEMenu_SetIsServerMenu( (HMENU)pMsg->wParam, pOleMenuDescriptor );
1708 break;
1711 case WM_MENUSELECT:
1713 fuFlags = HIWORD(pMsg->wParam); /* Get flags */
1714 if ( fuFlags & MF_SYSMENU )
1715 goto NEXTHOOK;
1717 /* Save the state for whether this is a server owned popup menu */
1718 else if ( fuFlags & MF_POPUP )
1719 OLEMenu_SetIsServerMenu( (HMENU)pMsg->lParam, pOleMenuDescriptor );
1721 break;
1724 case WM_DRAWITEM:
1726 LPDRAWITEMSTRUCT lpdis = (LPDRAWITEMSTRUCT) pMsg->lParam;
1727 if ( pMsg->wParam != 0 || lpdis->CtlType != ODT_MENU )
1728 goto NEXTHOOK; /* Not a menu message */
1730 break;
1733 default:
1734 goto NEXTHOOK;
1737 /* If the message was for the server dispatch it accordingly */
1738 if ( pOleMenuDescriptor->bIsServerItem )
1740 SendMessageW( pOleMenuDescriptor->hwndActiveObject,
1741 pMsg->message, pMsg->wParam, pMsg->lParam );
1744 NEXTHOOK:
1745 if ( pOleMenuDescriptor )
1746 GlobalUnlock( hOleMenu );
1748 /* Lookup the hook item for the current thread */
1749 if ( !( pHookItem = OLEMenu_IsHookInstalled( GetCurrentThreadId() ) ) )
1751 /* This should never fail!! */
1752 WARN("could not retrieve hHook for current thread!\n" );
1753 return 0;
1756 /* Pass on the message to the next hooker */
1757 return CallNextHookEx( pHookItem->CallWndProc_hHook, code, wParam, lParam );
1760 /*************************************************************************
1761 * OLEMenu_GetMsgProc
1762 * Thread scope WH_GETMESSAGE hook proc filter function (callback)
1763 * This is invoked from a message hook installed in OleSetMenuDescriptor.
1765 static LRESULT CALLBACK OLEMenu_GetMsgProc(INT code, WPARAM wParam, LPARAM lParam)
1767 LPMSG pMsg;
1768 HOLEMENU hOleMenu = 0;
1769 OleMenuDescriptor *pOleMenuDescriptor = NULL;
1770 OleMenuHookItem *pHookItem = NULL;
1771 WORD wCode;
1773 TRACE("%i, %04lx, %08lx\n", code, wParam, lParam );
1775 /* Check if we're being asked to process a messages */
1776 if ( HC_ACTION != code )
1777 goto NEXTHOOK;
1779 /* Retrieve the current message being dispatched from lParam */
1780 pMsg = (LPMSG)lParam;
1782 /* Check if the message is destined for a window we are interested in:
1783 * If the window has an OLEMenu property we may need to dispatch
1784 * the menu message to its active objects window instead. */
1786 hOleMenu = GetPropW( pMsg->hwnd, prop_olemenuW );
1787 if ( !hOleMenu )
1788 goto NEXTHOOK;
1790 /* Process menu messages */
1791 switch( pMsg->message )
1793 case WM_COMMAND:
1795 wCode = HIWORD(pMsg->wParam); /* Get notification code */
1796 if ( wCode )
1797 goto NEXTHOOK; /* Not a menu message */
1798 break;
1800 default:
1801 goto NEXTHOOK;
1804 /* Get the menu descriptor */
1805 pOleMenuDescriptor = GlobalLock( hOleMenu );
1806 if ( !pOleMenuDescriptor ) /* Bad descriptor! */
1807 goto NEXTHOOK;
1809 /* If the message was for the server dispatch it accordingly */
1810 if ( pOleMenuDescriptor->bIsServerItem )
1812 /* Change the hWnd in the message to the active objects hWnd.
1813 * The message loop which reads this message will automatically
1814 * dispatch it to the embedded objects window. */
1815 pMsg->hwnd = pOleMenuDescriptor->hwndActiveObject;
1818 NEXTHOOK:
1819 if ( pOleMenuDescriptor )
1820 GlobalUnlock( hOleMenu );
1822 /* Lookup the hook item for the current thread */
1823 if ( !( pHookItem = OLEMenu_IsHookInstalled( GetCurrentThreadId() ) ) )
1825 /* This should never fail!! */
1826 WARN("could not retrieve hHook for current thread!\n" );
1827 return FALSE;
1830 /* Pass on the message to the next hooker */
1831 return CallNextHookEx( pHookItem->GetMsg_hHook, code, wParam, lParam );
1834 /***********************************************************************
1835 * OleCreateMenuDescriptor [OLE32.@]
1836 * Creates an OLE menu descriptor for OLE to use when dispatching
1837 * menu messages and commands.
1839 * PARAMS:
1840 * hmenuCombined - Handle to the objects combined menu
1841 * lpMenuWidths - Pointer to array of 6 LONG's indicating menus per group
1844 HOLEMENU WINAPI OleCreateMenuDescriptor(
1845 HMENU hmenuCombined,
1846 LPOLEMENUGROUPWIDTHS lpMenuWidths)
1848 HOLEMENU hOleMenu;
1849 OleMenuDescriptor *pOleMenuDescriptor;
1850 int i;
1852 if ( !hmenuCombined || !lpMenuWidths )
1853 return 0;
1855 /* Create an OLE menu descriptor */
1856 if ( !(hOleMenu = GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT,
1857 sizeof(OleMenuDescriptor) ) ) )
1858 return 0;
1860 pOleMenuDescriptor = GlobalLock( hOleMenu );
1861 if ( !pOleMenuDescriptor )
1862 return 0;
1864 /* Initialize menu group widths and hmenu */
1865 for ( i = 0; i < 6; i++ )
1866 pOleMenuDescriptor->mgw.width[i] = lpMenuWidths->width[i];
1868 pOleMenuDescriptor->hmenuCombined = hmenuCombined;
1869 pOleMenuDescriptor->bIsServerItem = FALSE;
1870 GlobalUnlock( hOleMenu );
1872 return hOleMenu;
1875 /***********************************************************************
1876 * OleDestroyMenuDescriptor [OLE32.@]
1877 * Destroy the shared menu descriptor
1879 HRESULT WINAPI OleDestroyMenuDescriptor(
1880 HOLEMENU hmenuDescriptor)
1882 if ( hmenuDescriptor )
1883 GlobalFree( hmenuDescriptor );
1884 return S_OK;
1887 /***********************************************************************
1888 * OleSetMenuDescriptor [OLE32.@]
1889 * Installs or removes OLE dispatching code for the containers frame window.
1891 * PARAMS
1892 * hOleMenu Handle to composite menu descriptor
1893 * hwndFrame Handle to containers frame window
1894 * hwndActiveObject Handle to objects in-place activation window
1895 * lpFrame Pointer to IOleInPlaceFrame on containers window
1896 * lpActiveObject Pointer to IOleInPlaceActiveObject on active in-place object
1898 * RETURNS
1899 * S_OK - menu installed correctly
1900 * E_FAIL, E_INVALIDARG, E_UNEXPECTED - failure
1902 * FIXME
1903 * The lpFrame and lpActiveObject parameters are currently ignored
1904 * OLE should install context sensitive help F1 filtering for the app when
1905 * these are non null.
1907 HRESULT WINAPI OleSetMenuDescriptor(
1908 HOLEMENU hOleMenu,
1909 HWND hwndFrame,
1910 HWND hwndActiveObject,
1911 LPOLEINPLACEFRAME lpFrame,
1912 LPOLEINPLACEACTIVEOBJECT lpActiveObject)
1914 OleMenuDescriptor *pOleMenuDescriptor = NULL;
1916 /* Check args */
1917 if ( !hwndFrame || (hOleMenu && !hwndActiveObject) )
1918 return E_INVALIDARG;
1920 if ( lpFrame || lpActiveObject )
1922 FIXME("(%p, %p, %p, %p, %p), Context sensitive help filtering not implemented!\n",
1923 hOleMenu,
1924 hwndFrame,
1925 hwndActiveObject,
1926 lpFrame,
1927 lpActiveObject);
1930 /* Set up a message hook to intercept the containers frame window messages.
1931 * The message filter is responsible for dispatching menu messages from the
1932 * shared menu which are intended for the object.
1935 if ( hOleMenu ) /* Want to install dispatching code */
1937 /* If OLEMenu hooks are already installed for this thread, fail
1938 * Note: This effectively means that OleSetMenuDescriptor cannot
1939 * be called twice in succession on the same frame window
1940 * without first calling it with a null hOleMenu to uninstall
1942 if ( OLEMenu_IsHookInstalled( GetCurrentThreadId() ) )
1943 return E_FAIL;
1945 /* Get the menu descriptor */
1946 pOleMenuDescriptor = GlobalLock( hOleMenu );
1947 if ( !pOleMenuDescriptor )
1948 return E_UNEXPECTED;
1950 /* Update the menu descriptor */
1951 pOleMenuDescriptor->hwndFrame = hwndFrame;
1952 pOleMenuDescriptor->hwndActiveObject = hwndActiveObject;
1954 GlobalUnlock( hOleMenu );
1955 pOleMenuDescriptor = NULL;
1957 /* Add a menu descriptor windows property to the frame window */
1958 SetPropW( hwndFrame, prop_olemenuW, hOleMenu );
1960 /* Install thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC */
1961 if ( !OLEMenu_InstallHooks( GetCurrentThreadId() ) )
1962 return E_FAIL;
1964 else /* Want to uninstall dispatching code */
1966 /* Uninstall the hooks */
1967 if ( !OLEMenu_UnInstallHooks( GetCurrentThreadId() ) )
1968 return E_FAIL;
1970 /* Remove the menu descriptor property from the frame window */
1971 RemovePropW( hwndFrame, prop_olemenuW );
1974 return S_OK;
1977 /******************************************************************************
1978 * IsAccelerator [OLE32.@]
1979 * Mostly copied from controls/menu.c TranslateAccelerator implementation
1981 BOOL WINAPI IsAccelerator(HACCEL hAccel, int cAccelEntries, LPMSG lpMsg, WORD* lpwCmd)
1983 LPACCEL lpAccelTbl;
1984 int i;
1986 if(!lpMsg) return FALSE;
1987 if (!hAccel)
1989 WARN_(accel)("NULL accel handle\n");
1990 return FALSE;
1992 if((lpMsg->message != WM_KEYDOWN &&
1993 lpMsg->message != WM_SYSKEYDOWN &&
1994 lpMsg->message != WM_SYSCHAR &&
1995 lpMsg->message != WM_CHAR)) return FALSE;
1996 lpAccelTbl = HeapAlloc(GetProcessHeap(), 0, cAccelEntries * sizeof(ACCEL));
1997 if (NULL == lpAccelTbl)
1999 return FALSE;
2001 if (CopyAcceleratorTableW(hAccel, lpAccelTbl, cAccelEntries) != cAccelEntries)
2003 WARN_(accel)("CopyAcceleratorTableW failed\n");
2004 HeapFree(GetProcessHeap(), 0, lpAccelTbl);
2005 return FALSE;
2008 TRACE_(accel)("hAccel=%p, cAccelEntries=%d,"
2009 "msg->hwnd=%p, msg->message=%04x, wParam=%08lx, lParam=%08lx\n",
2010 hAccel, cAccelEntries,
2011 lpMsg->hwnd, lpMsg->message, lpMsg->wParam, lpMsg->lParam);
2012 for(i = 0; i < cAccelEntries; i++)
2014 if(lpAccelTbl[i].key != lpMsg->wParam)
2015 continue;
2017 if(lpMsg->message == WM_CHAR)
2019 if(!(lpAccelTbl[i].fVirt & FALT) && !(lpAccelTbl[i].fVirt & FVIRTKEY))
2021 TRACE_(accel)("found accel for WM_CHAR: ('%c')\n", LOWORD(lpMsg->wParam) & 0xff);
2022 goto found;
2025 else
2027 if(lpAccelTbl[i].fVirt & FVIRTKEY)
2029 INT mask = 0;
2030 TRACE_(accel)("found accel for virt_key %04lx (scan %04x)\n",
2031 lpMsg->wParam, HIWORD(lpMsg->lParam) & 0xff);
2032 if(GetKeyState(VK_SHIFT) & 0x8000) mask |= FSHIFT;
2033 if(GetKeyState(VK_CONTROL) & 0x8000) mask |= FCONTROL;
2034 if(GetKeyState(VK_MENU) & 0x8000) mask |= FALT;
2035 if(mask == (lpAccelTbl[i].fVirt & (FSHIFT | FCONTROL | FALT))) goto found;
2036 TRACE_(accel)("incorrect SHIFT/CTRL/ALT-state\n");
2038 else
2040 if(!(lpMsg->lParam & 0x01000000)) /* no special_key */
2042 if((lpAccelTbl[i].fVirt & FALT) && (lpMsg->lParam & 0x20000000))
2043 { /* ^^ ALT pressed */
2044 TRACE_(accel)("found accel for Alt-%c\n", LOWORD(lpMsg->wParam) & 0xff);
2045 goto found;
2052 WARN_(accel)("couldn't translate accelerator key\n");
2053 HeapFree(GetProcessHeap(), 0, lpAccelTbl);
2054 return FALSE;
2056 found:
2057 if(lpwCmd) *lpwCmd = lpAccelTbl[i].cmd;
2058 HeapFree(GetProcessHeap(), 0, lpAccelTbl);
2059 return TRUE;
2062 /***********************************************************************
2063 * ReleaseStgMedium [OLE32.@]
2065 void WINAPI ReleaseStgMedium(
2066 STGMEDIUM* pmedium)
2068 switch (pmedium->tymed)
2070 case TYMED_HGLOBAL:
2072 if ( (pmedium->pUnkForRelease==0) &&
2073 (pmedium->u.hGlobal!=0) )
2074 GlobalFree(pmedium->u.hGlobal);
2075 break;
2077 case TYMED_FILE:
2079 if (pmedium->u.lpszFileName!=0)
2081 if (pmedium->pUnkForRelease==0)
2083 DeleteFileW(pmedium->u.lpszFileName);
2086 CoTaskMemFree(pmedium->u.lpszFileName);
2088 break;
2090 case TYMED_ISTREAM:
2092 if (pmedium->u.pstm!=0)
2094 IStream_Release(pmedium->u.pstm);
2096 break;
2098 case TYMED_ISTORAGE:
2100 if (pmedium->u.pstg!=0)
2102 IStorage_Release(pmedium->u.pstg);
2104 break;
2106 case TYMED_GDI:
2108 if ( (pmedium->pUnkForRelease==0) &&
2109 (pmedium->u.hBitmap!=0) )
2110 DeleteObject(pmedium->u.hBitmap);
2111 break;
2113 case TYMED_MFPICT:
2115 if ( (pmedium->pUnkForRelease==0) &&
2116 (pmedium->u.hMetaFilePict!=0) )
2118 LPMETAFILEPICT pMP = GlobalLock(pmedium->u.hMetaFilePict);
2119 DeleteMetaFile(pMP->hMF);
2120 GlobalUnlock(pmedium->u.hMetaFilePict);
2121 GlobalFree(pmedium->u.hMetaFilePict);
2123 break;
2125 case TYMED_ENHMF:
2127 if ( (pmedium->pUnkForRelease==0) &&
2128 (pmedium->u.hEnhMetaFile!=0) )
2130 DeleteEnhMetaFile(pmedium->u.hEnhMetaFile);
2132 break;
2134 case TYMED_NULL:
2135 default:
2136 break;
2138 pmedium->tymed=TYMED_NULL;
2141 * After cleaning up, the unknown is released
2143 if (pmedium->pUnkForRelease!=0)
2145 IUnknown_Release(pmedium->pUnkForRelease);
2146 pmedium->pUnkForRelease = 0;
2150 /***
2151 * OLEDD_Initialize()
2153 * Initializes the OLE drag and drop data structures.
2155 static void OLEDD_Initialize(void)
2157 WNDCLASSW wndClass;
2159 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2160 wndClass.style = CS_GLOBALCLASS;
2161 wndClass.lpfnWndProc = OLEDD_DragTrackerWindowProc;
2162 wndClass.cbClsExtra = 0;
2163 wndClass.cbWndExtra = sizeof(TrackerWindowInfo*);
2164 wndClass.hCursor = 0;
2165 wndClass.hbrBackground = 0;
2166 wndClass.lpszClassName = OLEDD_DRAGTRACKERCLASS;
2168 RegisterClassW (&wndClass);
2171 /***
2172 * OLEDD_DragTrackerWindowProc()
2174 * This method is the WindowProcedure of the drag n drop tracking
2175 * window. During a drag n Drop operation, an invisible window is created
2176 * to receive the user input and act upon it. This procedure is in charge
2177 * of this behavior.
2180 #define DRAG_TIMER_ID 1
2182 static LRESULT WINAPI OLEDD_DragTrackerWindowProc(
2183 HWND hwnd,
2184 UINT uMsg,
2185 WPARAM wParam,
2186 LPARAM lParam)
2188 switch (uMsg)
2190 case WM_CREATE:
2192 LPCREATESTRUCTA createStruct = (LPCREATESTRUCTA)lParam;
2194 SetWindowLongPtrW(hwnd, 0, (LONG_PTR)createStruct->lpCreateParams);
2195 SetTimer(hwnd, DRAG_TIMER_ID, 50, NULL);
2197 break;
2199 case WM_TIMER:
2200 case WM_MOUSEMOVE:
2202 OLEDD_TrackMouseMove((TrackerWindowInfo*)GetWindowLongPtrA(hwnd, 0));
2203 break;
2205 case WM_LBUTTONUP:
2206 case WM_MBUTTONUP:
2207 case WM_RBUTTONUP:
2208 case WM_LBUTTONDOWN:
2209 case WM_MBUTTONDOWN:
2210 case WM_RBUTTONDOWN:
2212 OLEDD_TrackStateChange((TrackerWindowInfo*)GetWindowLongPtrA(hwnd, 0));
2213 break;
2215 case WM_DESTROY:
2217 KillTimer(hwnd, DRAG_TIMER_ID);
2218 break;
2223 * This is a window proc after all. Let's call the default.
2225 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
2228 /***
2229 * OLEDD_TrackMouseMove()
2231 * This method is invoked while a drag and drop operation is in effect.
2232 * it will generate the appropriate callbacks in the drop source
2233 * and drop target. It will also provide the expected feedback to
2234 * the user.
2236 * params:
2237 * trackerInfo - Pointer to the structure identifying the
2238 * drag & drop operation that is currently
2239 * active.
2241 static void OLEDD_TrackMouseMove(TrackerWindowInfo* trackerInfo)
2243 HWND hwndNewTarget = 0;
2244 HRESULT hr = S_OK;
2245 POINT pt;
2248 * Get the handle of the window under the mouse
2250 pt.x = trackerInfo->curMousePos.x;
2251 pt.y = trackerInfo->curMousePos.y;
2252 hwndNewTarget = WindowFromPoint(pt);
2255 * Every time, we re-initialize the effects passed to the
2256 * IDropTarget to the effects allowed by the source.
2258 *trackerInfo->pdwEffect = trackerInfo->dwOKEffect;
2261 * If we are hovering over the same target as before, send the
2262 * DragOver notification
2264 if ( (trackerInfo->curDragTarget != 0) &&
2265 (trackerInfo->curTargetHWND == hwndNewTarget) )
2267 IDropTarget_DragOver(trackerInfo->curDragTarget,
2268 trackerInfo->dwKeyState,
2269 trackerInfo->curMousePos,
2270 trackerInfo->pdwEffect);
2272 else
2275 * If we changed window, we have to notify our old target and check for
2276 * the new one.
2278 if (trackerInfo->curDragTarget)
2279 IDropTarget_DragLeave(trackerInfo->curDragTarget);
2282 * Make sure we're hovering over a window.
2284 if (hwndNewTarget)
2287 * Find-out if there is a drag target under the mouse
2289 HWND next_target_wnd = hwndNewTarget;
2291 trackerInfo->curTargetHWND = hwndNewTarget;
2293 while (next_target_wnd && !is_droptarget(next_target_wnd))
2294 next_target_wnd = GetParent(next_target_wnd);
2296 if (next_target_wnd) hwndNewTarget = next_target_wnd;
2298 trackerInfo->curDragTargetHWND = hwndNewTarget;
2299 if(trackerInfo->curDragTarget) IDropTarget_Release(trackerInfo->curDragTarget);
2300 trackerInfo->curDragTarget = get_droptarget_pointer(hwndNewTarget);
2303 * If there is, notify it that we just dragged-in
2305 if (trackerInfo->curDragTarget)
2307 hr = IDropTarget_DragEnter(trackerInfo->curDragTarget,
2308 trackerInfo->dataObject,
2309 trackerInfo->dwKeyState,
2310 trackerInfo->curMousePos,
2311 trackerInfo->pdwEffect);
2313 /* failed DragEnter() means invalid target */
2314 if (hr != S_OK)
2316 trackerInfo->curDragTargetHWND = 0;
2317 trackerInfo->curTargetHWND = 0;
2318 IDropTarget_Release(trackerInfo->curDragTarget);
2319 trackerInfo->curDragTarget = 0;
2323 else
2326 * The mouse is not over a window so we don't track anything.
2328 trackerInfo->curDragTargetHWND = 0;
2329 trackerInfo->curTargetHWND = 0;
2330 if(trackerInfo->curDragTarget) IDropTarget_Release(trackerInfo->curDragTarget);
2331 trackerInfo->curDragTarget = 0;
2336 * Now that we have done that, we have to tell the source to give
2337 * us feedback on the work being done by the target. If we don't
2338 * have a target, simulate no effect.
2340 if (trackerInfo->curDragTarget==0)
2342 *trackerInfo->pdwEffect = DROPEFFECT_NONE;
2345 hr = IDropSource_GiveFeedback(trackerInfo->dropSource,
2346 *trackerInfo->pdwEffect);
2349 * When we ask for feedback from the drop source, sometimes it will
2350 * do all the necessary work and sometimes it will not handle it
2351 * when that's the case, we must display the standard drag and drop
2352 * cursors.
2354 if (hr == DRAGDROP_S_USEDEFAULTCURSORS)
2356 HCURSOR hCur;
2358 if (*trackerInfo->pdwEffect & DROPEFFECT_MOVE)
2360 hCur = LoadCursorW(hProxyDll, MAKEINTRESOURCEW(2));
2362 else if (*trackerInfo->pdwEffect & DROPEFFECT_COPY)
2364 hCur = LoadCursorW(hProxyDll, MAKEINTRESOURCEW(3));
2366 else if (*trackerInfo->pdwEffect & DROPEFFECT_LINK)
2368 hCur = LoadCursorW(hProxyDll, MAKEINTRESOURCEW(4));
2370 else
2372 hCur = LoadCursorW(hProxyDll, MAKEINTRESOURCEW(1));
2375 SetCursor(hCur);
2379 /***
2380 * OLEDD_TrackStateChange()
2382 * This method is invoked while a drag and drop operation is in effect.
2383 * It is used to notify the drop target/drop source callbacks when
2384 * the state of the keyboard or mouse button change.
2386 * params:
2387 * trackerInfo - Pointer to the structure identifying the
2388 * drag & drop operation that is currently
2389 * active.
2391 static void OLEDD_TrackStateChange(TrackerWindowInfo* trackerInfo)
2394 * Ask the drop source what to do with the operation.
2396 trackerInfo->returnValue = IDropSource_QueryContinueDrag(
2397 trackerInfo->dropSource,
2398 trackerInfo->escPressed,
2399 trackerInfo->dwKeyState);
2402 * All the return valued will stop the operation except the S_OK
2403 * return value.
2405 if (trackerInfo->returnValue!=S_OK)
2408 * Make sure the message loop in DoDragDrop stops
2410 trackerInfo->trackingDone = TRUE;
2413 * Release the mouse in case the drop target decides to show a popup
2414 * or a menu or something.
2416 ReleaseCapture();
2419 * If we end-up over a target, drop the object in the target or
2420 * inform the target that the operation was cancelled.
2422 if (trackerInfo->curDragTarget)
2424 switch (trackerInfo->returnValue)
2427 * If the source wants us to complete the operation, we tell
2428 * the drop target that we just dropped the object in it.
2430 case DRAGDROP_S_DROP:
2431 if (*trackerInfo->pdwEffect != DROPEFFECT_NONE)
2432 IDropTarget_Drop(trackerInfo->curDragTarget,
2433 trackerInfo->dataObject,
2434 trackerInfo->dwKeyState,
2435 trackerInfo->curMousePos,
2436 trackerInfo->pdwEffect);
2437 else
2438 IDropTarget_DragLeave(trackerInfo->curDragTarget);
2439 break;
2442 * If the source told us that we should cancel, fool the drop
2443 * target by telling it that the mouse left it's window.
2444 * Also set the drop effect to "NONE" in case the application
2445 * ignores the result of DoDragDrop.
2447 case DRAGDROP_S_CANCEL:
2448 IDropTarget_DragLeave(trackerInfo->curDragTarget);
2449 *trackerInfo->pdwEffect = DROPEFFECT_NONE;
2450 break;
2456 /***
2457 * OLEDD_GetButtonState()
2459 * This method will use the current state of the keyboard to build
2460 * a button state mask equivalent to the one passed in the
2461 * WM_MOUSEMOVE wParam.
2463 static DWORD OLEDD_GetButtonState(void)
2465 BYTE keyboardState[256];
2466 DWORD keyMask = 0;
2468 GetKeyboardState(keyboardState);
2470 if ( (keyboardState[VK_SHIFT] & 0x80) !=0)
2471 keyMask |= MK_SHIFT;
2473 if ( (keyboardState[VK_CONTROL] & 0x80) !=0)
2474 keyMask |= MK_CONTROL;
2476 if ( (keyboardState[VK_LBUTTON] & 0x80) !=0)
2477 keyMask |= MK_LBUTTON;
2479 if ( (keyboardState[VK_RBUTTON] & 0x80) !=0)
2480 keyMask |= MK_RBUTTON;
2482 if ( (keyboardState[VK_MBUTTON] & 0x80) !=0)
2483 keyMask |= MK_MBUTTON;
2485 return keyMask;
2488 /***
2489 * OLEDD_GetButtonState()
2491 * This method will read the default value of the registry key in
2492 * parameter and extract a DWORD value from it. The registry key value
2493 * can be in a string key or a DWORD key.
2495 * params:
2496 * regKey - Key to read the default value from
2497 * pdwValue - Pointer to the location where the DWORD
2498 * value is returned. This value is not modified
2499 * if the value is not found.
2502 static void OLEUTL_ReadRegistryDWORDValue(
2503 HKEY regKey,
2504 DWORD* pdwValue)
2506 WCHAR buffer[20];
2507 DWORD cbData = sizeof(buffer);
2508 DWORD dwKeyType;
2509 LONG lres;
2511 lres = RegQueryValueExW(regKey,
2512 emptyW,
2513 NULL,
2514 &dwKeyType,
2515 (LPBYTE)buffer,
2516 &cbData);
2518 if (lres==ERROR_SUCCESS)
2520 switch (dwKeyType)
2522 case REG_DWORD:
2523 *pdwValue = *(DWORD*)buffer;
2524 break;
2525 case REG_EXPAND_SZ:
2526 case REG_MULTI_SZ:
2527 case REG_SZ:
2528 *pdwValue = (DWORD)strtoulW(buffer, NULL, 10);
2529 break;
2534 /******************************************************************************
2535 * OleDraw (OLE32.@)
2537 * The operation of this function is documented literally in the WinAPI
2538 * documentation to involve a QueryInterface for the IViewObject interface,
2539 * followed by a call to IViewObject::Draw.
2541 HRESULT WINAPI OleDraw(
2542 IUnknown *pUnk,
2543 DWORD dwAspect,
2544 HDC hdcDraw,
2545 LPCRECT rect)
2547 HRESULT hres;
2548 IViewObject *viewobject;
2550 if (!pUnk) return E_INVALIDARG;
2552 hres = IUnknown_QueryInterface(pUnk,
2553 &IID_IViewObject,
2554 (void**)&viewobject);
2555 if (SUCCEEDED(hres))
2557 hres = IViewObject_Draw(viewobject, dwAspect, -1, 0, 0, 0, hdcDraw, (RECTL*)rect, 0, 0, 0);
2558 IViewObject_Release(viewobject);
2559 return hres;
2561 else
2562 return DV_E_NOIVIEWOBJECT;
2565 /***********************************************************************
2566 * OleTranslateAccelerator [OLE32.@]
2568 HRESULT WINAPI OleTranslateAccelerator (LPOLEINPLACEFRAME lpFrame,
2569 LPOLEINPLACEFRAMEINFO lpFrameInfo, LPMSG lpmsg)
2571 WORD wID;
2573 TRACE("(%p,%p,%p)\n", lpFrame, lpFrameInfo, lpmsg);
2575 if (IsAccelerator(lpFrameInfo->haccel,lpFrameInfo->cAccelEntries,lpmsg,&wID))
2576 return IOleInPlaceFrame_TranslateAccelerator(lpFrame,lpmsg,wID);
2578 return S_FALSE;
2581 /******************************************************************************
2582 * OleCreate [OLE32.@]
2585 HRESULT WINAPI OleCreate(
2586 REFCLSID rclsid,
2587 REFIID riid,
2588 DWORD renderopt,
2589 LPFORMATETC pFormatEtc,
2590 LPOLECLIENTSITE pClientSite,
2591 LPSTORAGE pStg,
2592 LPVOID* ppvObj)
2594 HRESULT hres;
2595 IUnknown * pUnk = NULL;
2596 IOleObject *pOleObject = NULL;
2598 TRACE("(%s, %s, %d, %p, %p, %p, %p)\n", debugstr_guid(rclsid),
2599 debugstr_guid(riid), renderopt, pFormatEtc, pClientSite, pStg, ppvObj);
2601 hres = CoCreateInstance(rclsid, 0, CLSCTX_INPROC_SERVER|CLSCTX_INPROC_HANDLER, riid, (LPVOID*)&pUnk);
2603 if (SUCCEEDED(hres))
2604 hres = IStorage_SetClass(pStg, rclsid);
2606 if (pClientSite && SUCCEEDED(hres))
2608 hres = IUnknown_QueryInterface(pUnk, &IID_IOleObject, (LPVOID*)&pOleObject);
2609 if (SUCCEEDED(hres))
2611 DWORD dwStatus;
2612 hres = IOleObject_GetMiscStatus(pOleObject, DVASPECT_CONTENT, &dwStatus);
2616 if (SUCCEEDED(hres))
2618 IPersistStorage * pPS;
2619 if (SUCCEEDED((hres = IUnknown_QueryInterface(pUnk, &IID_IPersistStorage, (LPVOID*)&pPS))))
2621 TRACE("trying to set stg %p\n", pStg);
2622 hres = IPersistStorage_InitNew(pPS, pStg);
2623 TRACE("-- result 0x%08x\n", hres);
2624 IPersistStorage_Release(pPS);
2628 if (pClientSite && SUCCEEDED(hres))
2630 TRACE("trying to set clientsite %p\n", pClientSite);
2631 hres = IOleObject_SetClientSite(pOleObject, pClientSite);
2632 TRACE("-- result 0x%08x\n", hres);
2635 if (pOleObject)
2636 IOleObject_Release(pOleObject);
2638 if (((renderopt == OLERENDER_DRAW) || (renderopt == OLERENDER_FORMAT)) &&
2639 SUCCEEDED(hres))
2641 IRunnableObject *pRunnable;
2642 IOleCache *pOleCache;
2643 HRESULT hres2;
2645 hres2 = IUnknown_QueryInterface(pUnk, &IID_IRunnableObject, (void **)&pRunnable);
2646 if (SUCCEEDED(hres2))
2648 hres = IRunnableObject_Run(pRunnable, NULL);
2649 IRunnableObject_Release(pRunnable);
2652 if (SUCCEEDED(hres))
2654 hres2 = IUnknown_QueryInterface(pUnk, &IID_IOleCache, (void **)&pOleCache);
2655 if (SUCCEEDED(hres2))
2657 DWORD dwConnection;
2658 if (renderopt == OLERENDER_DRAW && !pFormatEtc) {
2659 FORMATETC pfe;
2660 pfe.cfFormat = 0;
2661 pfe.ptd = NULL;
2662 pfe.dwAspect = DVASPECT_CONTENT;
2663 pfe.lindex = -1;
2664 pfe.tymed = TYMED_NULL;
2665 hres = IOleCache_Cache(pOleCache, &pfe, ADVF_PRIMEFIRST, &dwConnection);
2667 else
2668 hres = IOleCache_Cache(pOleCache, pFormatEtc, ADVF_PRIMEFIRST, &dwConnection);
2669 IOleCache_Release(pOleCache);
2674 if (FAILED(hres) && pUnk)
2676 IUnknown_Release(pUnk);
2677 pUnk = NULL;
2680 *ppvObj = pUnk;
2682 TRACE("-- %p\n", pUnk);
2683 return hres;
2686 /******************************************************************************
2687 * OleGetAutoConvert [OLE32.@]
2689 HRESULT WINAPI OleGetAutoConvert(REFCLSID clsidOld, LPCLSID pClsidNew)
2691 static const WCHAR wszAutoConvertTo[] = {'A','u','t','o','C','o','n','v','e','r','t','T','o',0};
2692 HKEY hkey = NULL;
2693 WCHAR buf[CHARS_IN_GUID];
2694 LONG len;
2695 HRESULT res = S_OK;
2697 res = COM_OpenKeyForCLSID(clsidOld, wszAutoConvertTo, KEY_READ, &hkey);
2698 if (FAILED(res))
2699 goto done;
2701 len = sizeof(buf);
2702 if (RegQueryValueW(hkey, NULL, buf, &len))
2704 res = REGDB_E_KEYMISSING;
2705 goto done;
2707 res = CLSIDFromString(buf, pClsidNew);
2708 done:
2709 if (hkey) RegCloseKey(hkey);
2710 return res;
2713 /******************************************************************************
2714 * OleSetAutoConvert [OLE32.@]
2716 HRESULT WINAPI OleSetAutoConvert(REFCLSID clsidOld, REFCLSID clsidNew)
2718 static const WCHAR wszAutoConvertTo[] = {'A','u','t','o','C','o','n','v','e','r','t','T','o',0};
2719 HKEY hkey = NULL;
2720 WCHAR szClsidNew[CHARS_IN_GUID];
2721 HRESULT res = S_OK;
2723 TRACE("(%s,%s)\n", debugstr_guid(clsidOld), debugstr_guid(clsidNew));
2725 res = COM_OpenKeyForCLSID(clsidOld, NULL, KEY_READ | KEY_WRITE, &hkey);
2726 if (FAILED(res))
2727 goto done;
2728 StringFromGUID2(clsidNew, szClsidNew, CHARS_IN_GUID);
2729 if (RegSetValueW(hkey, wszAutoConvertTo, REG_SZ, szClsidNew, (strlenW(szClsidNew)+1) * sizeof(WCHAR)))
2731 res = REGDB_E_WRITEREGDB;
2732 goto done;
2735 done:
2736 if (hkey) RegCloseKey(hkey);
2737 return res;
2740 /******************************************************************************
2741 * OleDoAutoConvert [OLE32.@]
2743 HRESULT WINAPI OleDoAutoConvert(LPSTORAGE pStg, LPCLSID pClsidNew)
2745 FIXME("(%p,%p) : stub\n",pStg,pClsidNew);
2746 return E_NOTIMPL;
2749 /******************************************************************************
2750 * OleIsRunning [OLE32.@]
2752 BOOL WINAPI OleIsRunning(LPOLEOBJECT object)
2754 IRunnableObject *pRunnable;
2755 HRESULT hr;
2756 BOOL running;
2758 TRACE("(%p)\n", object);
2760 if (!object) return FALSE;
2762 hr = IOleObject_QueryInterface(object, &IID_IRunnableObject, (void **)&pRunnable);
2763 if (FAILED(hr))
2764 return TRUE;
2765 running = IRunnableObject_IsRunning(pRunnable);
2766 IRunnableObject_Release(pRunnable);
2767 return running;
2770 /***********************************************************************
2771 * OleNoteObjectVisible [OLE32.@]
2773 HRESULT WINAPI OleNoteObjectVisible(LPUNKNOWN pUnknown, BOOL bVisible)
2775 TRACE("(%p, %s)\n", pUnknown, bVisible ? "TRUE" : "FALSE");
2776 return CoLockObjectExternal(pUnknown, bVisible, TRUE);
2780 /***********************************************************************
2781 * OLE_FreeClipDataArray [internal]
2783 * NOTES:
2784 * frees the data associated with an array of CLIPDATAs
2786 static void OLE_FreeClipDataArray(ULONG count, CLIPDATA * pClipDataArray)
2788 ULONG i;
2789 for (i = 0; i < count; i++)
2790 if (pClipDataArray[i].pClipData)
2791 CoTaskMemFree(pClipDataArray[i].pClipData);
2794 /***********************************************************************
2795 * PropSysAllocString [OLE32.@]
2796 * NOTES
2797 * Forward to oleaut32.
2799 BSTR WINAPI PropSysAllocString(LPCOLESTR str)
2801 return SysAllocString(str);
2804 /***********************************************************************
2805 * PropSysFreeString [OLE32.@]
2806 * NOTES
2807 * Forward to oleaut32.
2809 void WINAPI PropSysFreeString(LPOLESTR str)
2811 SysFreeString(str);
2814 /******************************************************************************
2815 * Check if a PROPVARIANT's type is valid.
2817 static inline HRESULT PROPVARIANT_ValidateType(VARTYPE vt)
2819 switch (vt)
2821 case VT_EMPTY:
2822 case VT_NULL:
2823 case VT_I1:
2824 case VT_I2:
2825 case VT_I4:
2826 case VT_I8:
2827 case VT_R4:
2828 case VT_R8:
2829 case VT_CY:
2830 case VT_DATE:
2831 case VT_BSTR:
2832 case VT_ERROR:
2833 case VT_BOOL:
2834 case VT_DECIMAL:
2835 case VT_UI1:
2836 case VT_UI2:
2837 case VT_UI4:
2838 case VT_UI8:
2839 case VT_LPSTR:
2840 case VT_LPWSTR:
2841 case VT_FILETIME:
2842 case VT_BLOB:
2843 case VT_STREAM:
2844 case VT_STORAGE:
2845 case VT_STREAMED_OBJECT:
2846 case VT_STORED_OBJECT:
2847 case VT_BLOB_OBJECT:
2848 case VT_CF:
2849 case VT_CLSID:
2850 case VT_I1|VT_VECTOR:
2851 case VT_I2|VT_VECTOR:
2852 case VT_I4|VT_VECTOR:
2853 case VT_I8|VT_VECTOR:
2854 case VT_R4|VT_VECTOR:
2855 case VT_R8|VT_VECTOR:
2856 case VT_CY|VT_VECTOR:
2857 case VT_DATE|VT_VECTOR:
2858 case VT_BSTR|VT_VECTOR:
2859 case VT_ERROR|VT_VECTOR:
2860 case VT_BOOL|VT_VECTOR:
2861 case VT_VARIANT|VT_VECTOR:
2862 case VT_UI1|VT_VECTOR:
2863 case VT_UI2|VT_VECTOR:
2864 case VT_UI4|VT_VECTOR:
2865 case VT_UI8|VT_VECTOR:
2866 case VT_LPSTR|VT_VECTOR:
2867 case VT_LPWSTR|VT_VECTOR:
2868 case VT_FILETIME|VT_VECTOR:
2869 case VT_CF|VT_VECTOR:
2870 case VT_CLSID|VT_VECTOR:
2871 return S_OK;
2873 WARN("Bad type %d\n", vt);
2874 return STG_E_INVALIDPARAMETER;
2877 /***********************************************************************
2878 * PropVariantClear [OLE32.@]
2880 HRESULT WINAPI PropVariantClear(PROPVARIANT * pvar) /* [in/out] */
2882 HRESULT hr;
2884 TRACE("(%p)\n", pvar);
2886 if (!pvar)
2887 return S_OK;
2889 hr = PROPVARIANT_ValidateType(pvar->vt);
2890 if (FAILED(hr))
2891 return hr;
2893 switch(pvar->vt)
2895 case VT_EMPTY:
2896 case VT_NULL:
2897 case VT_I1:
2898 case VT_I2:
2899 case VT_I4:
2900 case VT_I8:
2901 case VT_R4:
2902 case VT_R8:
2903 case VT_CY:
2904 case VT_DATE:
2905 case VT_ERROR:
2906 case VT_BOOL:
2907 case VT_DECIMAL:
2908 case VT_UI1:
2909 case VT_UI2:
2910 case VT_UI4:
2911 case VT_UI8:
2912 case VT_FILETIME:
2913 break;
2914 case VT_STREAM:
2915 case VT_STREAMED_OBJECT:
2916 case VT_STORAGE:
2917 case VT_STORED_OBJECT:
2918 if (pvar->u.pStream)
2919 IStream_Release(pvar->u.pStream);
2920 break;
2921 case VT_CLSID:
2922 case VT_LPSTR:
2923 case VT_LPWSTR:
2924 /* pick an arbitrary typed pointer - we don't care about the type
2925 * as we are just freeing it */
2926 CoTaskMemFree(pvar->u.puuid);
2927 break;
2928 case VT_BLOB:
2929 case VT_BLOB_OBJECT:
2930 CoTaskMemFree(pvar->u.blob.pBlobData);
2931 break;
2932 case VT_BSTR:
2933 PropSysFreeString(pvar->u.bstrVal);
2934 break;
2935 case VT_CF:
2936 if (pvar->u.pclipdata)
2938 OLE_FreeClipDataArray(1, pvar->u.pclipdata);
2939 CoTaskMemFree(pvar->u.pclipdata);
2941 break;
2942 default:
2943 if (pvar->vt & VT_VECTOR)
2945 ULONG i;
2947 switch (pvar->vt & ~VT_VECTOR)
2949 case VT_VARIANT:
2950 FreePropVariantArray(pvar->u.capropvar.cElems, pvar->u.capropvar.pElems);
2951 break;
2952 case VT_CF:
2953 OLE_FreeClipDataArray(pvar->u.caclipdata.cElems, pvar->u.caclipdata.pElems);
2954 break;
2955 case VT_BSTR:
2956 for (i = 0; i < pvar->u.cabstr.cElems; i++)
2957 PropSysFreeString(pvar->u.cabstr.pElems[i]);
2958 break;
2959 case VT_LPSTR:
2960 for (i = 0; i < pvar->u.calpstr.cElems; i++)
2961 CoTaskMemFree(pvar->u.calpstr.pElems[i]);
2962 break;
2963 case VT_LPWSTR:
2964 for (i = 0; i < pvar->u.calpwstr.cElems; i++)
2965 CoTaskMemFree(pvar->u.calpwstr.pElems[i]);
2966 break;
2968 if (pvar->vt & ~VT_VECTOR)
2970 /* pick an arbitrary VT_VECTOR structure - they all have the same
2971 * memory layout */
2972 CoTaskMemFree(pvar->u.capropvar.pElems);
2975 else
2976 WARN("Invalid/unsupported type %d\n", pvar->vt);
2979 ZeroMemory(pvar, sizeof(*pvar));
2981 return S_OK;
2984 /***********************************************************************
2985 * PropVariantCopy [OLE32.@]
2987 HRESULT WINAPI PropVariantCopy(PROPVARIANT *pvarDest, /* [out] */
2988 const PROPVARIANT *pvarSrc) /* [in] */
2990 ULONG len;
2991 HRESULT hr;
2993 TRACE("(%p, %p vt %04x)\n", pvarDest, pvarSrc, pvarSrc->vt);
2995 hr = PROPVARIANT_ValidateType(pvarSrc->vt);
2996 if (FAILED(hr))
2997 return hr;
2999 /* this will deal with most cases */
3000 *pvarDest = *pvarSrc;
3002 switch(pvarSrc->vt)
3004 case VT_EMPTY:
3005 case VT_NULL:
3006 case VT_I1:
3007 case VT_UI1:
3008 case VT_I2:
3009 case VT_UI2:
3010 case VT_BOOL:
3011 case VT_DECIMAL:
3012 case VT_I4:
3013 case VT_UI4:
3014 case VT_R4:
3015 case VT_ERROR:
3016 case VT_I8:
3017 case VT_UI8:
3018 case VT_R8:
3019 case VT_CY:
3020 case VT_DATE:
3021 case VT_FILETIME:
3022 break;
3023 case VT_STREAM:
3024 case VT_STREAMED_OBJECT:
3025 case VT_STORAGE:
3026 case VT_STORED_OBJECT:
3027 IUnknown_AddRef((LPUNKNOWN)pvarDest->u.pStream);
3028 break;
3029 case VT_CLSID:
3030 pvarDest->u.puuid = CoTaskMemAlloc(sizeof(CLSID));
3031 *pvarDest->u.puuid = *pvarSrc->u.puuid;
3032 break;
3033 case VT_LPSTR:
3034 len = strlen(pvarSrc->u.pszVal);
3035 pvarDest->u.pszVal = CoTaskMemAlloc((len+1)*sizeof(CHAR));
3036 CopyMemory(pvarDest->u.pszVal, pvarSrc->u.pszVal, (len+1)*sizeof(CHAR));
3037 break;
3038 case VT_LPWSTR:
3039 len = lstrlenW(pvarSrc->u.pwszVal);
3040 pvarDest->u.pwszVal = CoTaskMemAlloc((len+1)*sizeof(WCHAR));
3041 CopyMemory(pvarDest->u.pwszVal, pvarSrc->u.pwszVal, (len+1)*sizeof(WCHAR));
3042 break;
3043 case VT_BLOB:
3044 case VT_BLOB_OBJECT:
3045 if (pvarSrc->u.blob.pBlobData)
3047 len = pvarSrc->u.blob.cbSize;
3048 pvarDest->u.blob.pBlobData = CoTaskMemAlloc(len);
3049 CopyMemory(pvarDest->u.blob.pBlobData, pvarSrc->u.blob.pBlobData, len);
3051 break;
3052 case VT_BSTR:
3053 pvarDest->u.bstrVal = PropSysAllocString(pvarSrc->u.bstrVal);
3054 break;
3055 case VT_CF:
3056 if (pvarSrc->u.pclipdata)
3058 len = pvarSrc->u.pclipdata->cbSize - sizeof(pvarSrc->u.pclipdata->ulClipFmt);
3059 pvarDest->u.pclipdata = CoTaskMemAlloc(sizeof (CLIPDATA));
3060 pvarDest->u.pclipdata->cbSize = pvarSrc->u.pclipdata->cbSize;
3061 pvarDest->u.pclipdata->ulClipFmt = pvarSrc->u.pclipdata->ulClipFmt;
3062 pvarDest->u.pclipdata->pClipData = CoTaskMemAlloc(len);
3063 CopyMemory(pvarDest->u.pclipdata->pClipData, pvarSrc->u.pclipdata->pClipData, len);
3065 break;
3066 default:
3067 if (pvarSrc->vt & VT_VECTOR)
3069 int elemSize;
3070 ULONG i;
3072 switch(pvarSrc->vt & ~VT_VECTOR)
3074 case VT_I1: elemSize = sizeof(pvarSrc->u.cVal); break;
3075 case VT_UI1: elemSize = sizeof(pvarSrc->u.bVal); break;
3076 case VT_I2: elemSize = sizeof(pvarSrc->u.iVal); break;
3077 case VT_UI2: elemSize = sizeof(pvarSrc->u.uiVal); break;
3078 case VT_BOOL: elemSize = sizeof(pvarSrc->u.boolVal); break;
3079 case VT_I4: elemSize = sizeof(pvarSrc->u.lVal); break;
3080 case VT_UI4: elemSize = sizeof(pvarSrc->u.ulVal); break;
3081 case VT_R4: elemSize = sizeof(pvarSrc->u.fltVal); break;
3082 case VT_R8: elemSize = sizeof(pvarSrc->u.dblVal); break;
3083 case VT_ERROR: elemSize = sizeof(pvarSrc->u.scode); break;
3084 case VT_I8: elemSize = sizeof(pvarSrc->u.hVal); break;
3085 case VT_UI8: elemSize = sizeof(pvarSrc->u.uhVal); break;
3086 case VT_CY: elemSize = sizeof(pvarSrc->u.cyVal); break;
3087 case VT_DATE: elemSize = sizeof(pvarSrc->u.date); break;
3088 case VT_FILETIME: elemSize = sizeof(pvarSrc->u.filetime); break;
3089 case VT_CLSID: elemSize = sizeof(*pvarSrc->u.puuid); break;
3090 case VT_CF: elemSize = sizeof(*pvarSrc->u.pclipdata); break;
3091 case VT_BSTR: elemSize = sizeof(pvarSrc->u.bstrVal); break;
3092 case VT_LPSTR: elemSize = sizeof(pvarSrc->u.pszVal); break;
3093 case VT_LPWSTR: elemSize = sizeof(pvarSrc->u.pwszVal); break;
3094 case VT_VARIANT: elemSize = sizeof(*pvarSrc->u.pvarVal); break;
3096 default:
3097 FIXME("Invalid element type: %ul\n", pvarSrc->vt & ~VT_VECTOR);
3098 return E_INVALIDARG;
3100 len = pvarSrc->u.capropvar.cElems;
3101 pvarDest->u.capropvar.pElems = CoTaskMemAlloc(len * elemSize);
3102 if (pvarSrc->vt == (VT_VECTOR | VT_VARIANT))
3104 for (i = 0; i < len; i++)
3105 PropVariantCopy(&pvarDest->u.capropvar.pElems[i], &pvarSrc->u.capropvar.pElems[i]);
3107 else if (pvarSrc->vt == (VT_VECTOR | VT_CF))
3109 FIXME("Copy clipformats\n");
3111 else if (pvarSrc->vt == (VT_VECTOR | VT_BSTR))
3113 for (i = 0; i < len; i++)
3114 pvarDest->u.cabstr.pElems[i] = PropSysAllocString(pvarSrc->u.cabstr.pElems[i]);
3116 else if (pvarSrc->vt == (VT_VECTOR | VT_LPSTR))
3118 size_t strLen;
3119 for (i = 0; i < len; i++)
3121 strLen = lstrlenA(pvarSrc->u.calpstr.pElems[i]) + 1;
3122 pvarDest->u.calpstr.pElems[i] = CoTaskMemAlloc(strLen);
3123 memcpy(pvarDest->u.calpstr.pElems[i],
3124 pvarSrc->u.calpstr.pElems[i], strLen);
3127 else if (pvarSrc->vt == (VT_VECTOR | VT_LPWSTR))
3129 size_t strLen;
3130 for (i = 0; i < len; i++)
3132 strLen = (lstrlenW(pvarSrc->u.calpwstr.pElems[i]) + 1) *
3133 sizeof(WCHAR);
3134 pvarDest->u.calpstr.pElems[i] = CoTaskMemAlloc(strLen);
3135 memcpy(pvarDest->u.calpstr.pElems[i],
3136 pvarSrc->u.calpstr.pElems[i], strLen);
3139 else
3140 CopyMemory(pvarDest->u.capropvar.pElems, pvarSrc->u.capropvar.pElems, len * elemSize);
3142 else
3143 WARN("Invalid/unsupported type %d\n", pvarSrc->vt);
3146 return S_OK;
3149 /***********************************************************************
3150 * FreePropVariantArray [OLE32.@]
3152 HRESULT WINAPI FreePropVariantArray(ULONG cVariants, /* [in] */
3153 PROPVARIANT *rgvars) /* [in/out] */
3155 ULONG i;
3157 TRACE("(%u, %p)\n", cVariants, rgvars);
3159 if (!rgvars)
3160 return E_INVALIDARG;
3162 for(i = 0; i < cVariants; i++)
3163 PropVariantClear(&rgvars[i]);
3165 return S_OK;
3168 /******************************************************************************
3169 * DllDebugObjectRPCHook (OLE32.@)
3170 * turns on and off internal debugging, pointer is only used on macintosh
3173 BOOL WINAPI DllDebugObjectRPCHook(BOOL b, void *dummy)
3175 FIXME("stub\n");
3176 return TRUE;