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programs: Add stub termsv.exe.
[wine/hacks.git] / dlls / ole32 / ole2.c
blobfe00066921ef607a28091719f044d6067137cde4
1 /*
2 * OLE2 library
3 *
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 *
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.
14 *
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.
19 *
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 */
24
25 #include "config.h"
26
27 #include <assert.h>
28 #include <stdlib.h>
29 #include <stdarg.h>
30 #include <stdio.h>
31 #include <string.h>
32
33 #define COBJMACROS
34 #define NONAMELESSUNION
35 #define NONAMELESSSTRUCT
36
37 #include "windef.h"
38 #include "winbase.h"
39 #include "winerror.h"
40 #include "wingdi.h"
41 #include "winuser.h"
42 #include "winnls.h"
43 #include "winreg.h"
44 #include "ole2.h"
45 #include "ole2ver.h"
46
47 #include "wine/unicode.h"
48 #include "compobj_private.h"
49 #include "wine/list.h"
50
51 #include "wine/debug.h"
52
53 WINE_DEFAULT_DEBUG_CHANNEL(ole);
54 WINE_DECLARE_DEBUG_CHANNEL(accel);
55
56 /******************************************************************************
57 * These are static/global variables and internal data structures that the
58 * OLE module uses to maintain it's state.
59 */
60 typedef struct tagDropTargetNode
61 {
62 HWND hwndTarget;
63 IDropTarget* dropTarget;
64 struct list entry;
65 } DropTargetNode;
66
67 typedef struct tagTrackerWindowInfo
68 {
69 IDataObject* dataObject;
70 IDropSource* dropSource;
71 DWORD dwOKEffect;
72 DWORD* pdwEffect;
73 BOOL trackingDone;
74 HRESULT returnValue;
75
76 BOOL escPressed;
77 HWND curTargetHWND; /* window the mouse is hovering over */
78 HWND curDragTargetHWND; /* might be a ancestor of curTargetHWND */
79 IDropTarget* curDragTarget;
80 POINTL curMousePos; /* current position of the mouse in screen coordinates */
81 DWORD dwKeyState; /* current state of the shift and ctrl keys and the mouse buttons */
82 } TrackerWindowInfo;
83
84 typedef struct tagOleMenuDescriptor /* OleMenuDescriptor */
85 {
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 */
91 } OleMenuDescriptor;
92
93 typedef struct tagOleMenuHookItem /* OleMenu hook item in per thread hook list */
94 {
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;
100 } OleMenuHookItem;
101
102 static OleMenuHookItem *hook_list;
103
104 /*
105 * This is the lock count on the OLE library. It is controlled by the
106 * OLEInitialize/OLEUninitialize methods.
107 */
108 static LONG OLE_moduleLockCount = 0;
109
110 /*
111 * Name of our registered window class.
112 */
113 static const char OLEDD_DRAGTRACKERCLASS[] = "WineDragDropTracker32";
114
115 /*
116 * This is the head of the Drop target container.
117 */
118 static struct list targetListHead = LIST_INIT(targetListHead);
119
120 /******************************************************************************
121 * These are the prototypes of miscellaneous utility methods
122 */
123 static void OLEUTL_ReadRegistryDWORDValue(HKEY regKey, DWORD* pdwValue);
124
125 /******************************************************************************
126 * These are the prototypes of the utility methods used to manage a shared menu
127 */
128 static void OLEMenu_Initialize(void);
129 static void OLEMenu_UnInitialize(void);
130 static BOOL OLEMenu_InstallHooks( DWORD tid );
131 static BOOL OLEMenu_UnInstallHooks( DWORD tid );
132 static OleMenuHookItem * OLEMenu_IsHookInstalled( DWORD tid );
133 static BOOL OLEMenu_FindMainMenuIndex( HMENU hMainMenu, HMENU hPopupMenu, UINT *pnPos );
134 static BOOL OLEMenu_SetIsServerMenu( HMENU hmenu, OleMenuDescriptor *pOleMenuDescriptor );
135 static LRESULT CALLBACK OLEMenu_CallWndProc(INT code, WPARAM wParam, LPARAM lParam);
136 static LRESULT CALLBACK OLEMenu_GetMsgProc(INT code, WPARAM wParam, LPARAM lParam);
137
138 /******************************************************************************
139 * These are the prototypes of the OLE Clipboard initialization methods (in clipboard.c)
140 */
141 extern void OLEClipbrd_UnInitialize(void);
142 extern void OLEClipbrd_Initialize(void);
143
144 /******************************************************************************
145 * These are the prototypes of the utility methods used for OLE Drag n Drop
146 */
147 static void OLEDD_Initialize(void);
148 static DropTargetNode* OLEDD_FindDropTarget(
149 HWND hwndOfTarget);
150 static void OLEDD_FreeDropTarget(DropTargetNode*, BOOL);
151 static LRESULT WINAPI OLEDD_DragTrackerWindowProc(
152 HWND hwnd,
153 UINT uMsg,
154 WPARAM wParam,
155 LPARAM lParam);
156 static void OLEDD_TrackMouseMove(
157 TrackerWindowInfo* trackerInfo);
158 static void OLEDD_TrackStateChange(
159 TrackerWindowInfo* trackerInfo);
160 static DWORD OLEDD_GetButtonState(void);
161
162
163 /******************************************************************************
164 * OleBuildVersion [OLE32.@]
165 */
166 DWORD WINAPI OleBuildVersion(void)
167 {
168 TRACE("Returning version %d, build %d.\n", rmm, rup);
169 return (rmm<<16)+rup;
170 }
171
172 /***********************************************************************
173 * OleInitialize (OLE32.@)
174 */
175 HRESULT WINAPI OleInitialize(LPVOID reserved)
176 {
177 HRESULT hr;
178
179 TRACE("(%p)\n", reserved);
180
181 /*
182 * The first duty of the OleInitialize is to initialize the COM libraries.
183 */
184 hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
185
186 /*
187 * If the CoInitializeEx call failed, the OLE libraries can't be
188 * initialized.
189 */
190 if (FAILED(hr))
191 return hr;
192
193 /*
194 * Then, it has to initialize the OLE specific modules.
195 * This includes:
196 * Clipboard
197 * Drag and Drop
198 * Object linking and Embedding
199 * In-place activation
200 */
201 if (!COM_CurrentInfo()->ole_inits++ &&
202 InterlockedIncrement(&OLE_moduleLockCount) == 1)
203 {
204 /*
205 * Initialize the libraries.
206 */
207 TRACE("() - Initializing the OLE libraries\n");
208
209 /*
210 * OLE Clipboard
211 */
212 OLEClipbrd_Initialize();
213
214 /*
215 * Drag and Drop
216 */
217 OLEDD_Initialize();
218
219 /*
220 * OLE shared menu
221 */
222 OLEMenu_Initialize();
223 }
224
225 return hr;
226 }
227
228 /******************************************************************************
229 * OleUninitialize [OLE32.@]
230 */
231 void WINAPI OleUninitialize(void)
232 {
233 TRACE("()\n");
234
235 /*
236 * If we hit the bottom of the lock stack, free the libraries.
237 */
238 if (!--COM_CurrentInfo()->ole_inits && !InterlockedDecrement(&OLE_moduleLockCount))
239 {
240 /*
241 * Actually free the libraries.
242 */
243 TRACE("() - Freeing the last reference count\n");
244
245 /*
246 * OLE Clipboard
247 */
248 OLEClipbrd_UnInitialize();
249
250 /*
251 * OLE shared menu
252 */
253 OLEMenu_UnInitialize();
254 }
255
256 /*
257 * Then, uninitialize the COM libraries.
258 */
259 CoUninitialize();
260 }
261
262 /******************************************************************************
263 * OleInitializeWOW [OLE32.@]
264 */
265 HRESULT WINAPI OleInitializeWOW(DWORD x, DWORD y) {
266 FIXME("(0x%08x, 0x%08x),stub!\n",x, y);
267 return 0;
268 }
269
270 /***********************************************************************
271 * RegisterDragDrop (OLE32.@)
272 */
273 HRESULT WINAPI RegisterDragDrop(
274 HWND hwnd,
275 LPDROPTARGET pDropTarget)
276 {
277 DropTargetNode* dropTargetInfo;
278
279 TRACE("(%p,%p)\n", hwnd, pDropTarget);
280
281 if (!COM_CurrentApt())
282 {
283 ERR("COM not initialized\n");
284 return E_OUTOFMEMORY;
285 }
286
287 if (!pDropTarget)
288 return E_INVALIDARG;
289
290 if (!IsWindow(hwnd))
291 {
292 ERR("invalid hwnd %p\n", hwnd);
293 return DRAGDROP_E_INVALIDHWND;
294 }
295
296 /*
297 * First, check if the window is already registered.
298 */
299 dropTargetInfo = OLEDD_FindDropTarget(hwnd);
300
301 if (dropTargetInfo!=NULL)
302 return DRAGDROP_E_ALREADYREGISTERED;
303
304 /*
305 * If it's not there, we can add it. We first create a node for it.
306 */
307 dropTargetInfo = HeapAlloc(GetProcessHeap(), 0, sizeof(DropTargetNode));
308
309 if (dropTargetInfo==NULL)
310 return E_OUTOFMEMORY;
311
312 dropTargetInfo->hwndTarget = hwnd;
313
314 /*
315 * Don't forget that this is an interface pointer, need to nail it down since
316 * we keep a copy of it.
317 */
318 IDropTarget_AddRef(pDropTarget);
319 dropTargetInfo->dropTarget = pDropTarget;
320
321 list_add_tail(&targetListHead, &dropTargetInfo->entry);
322
323 return S_OK;
324 }
325
326 /***********************************************************************
327 * RevokeDragDrop (OLE32.@)
328 */
329 HRESULT WINAPI RevokeDragDrop(
330 HWND hwnd)
331 {
332 DropTargetNode* dropTargetInfo;
333
334 TRACE("(%p)\n", hwnd);
335
336 if (!IsWindow(hwnd))
337 {
338 ERR("invalid hwnd %p\n", hwnd);
339 return DRAGDROP_E_INVALIDHWND;
340 }
341
342 /*
343 * First, check if the window is already registered.
344 */
345 dropTargetInfo = OLEDD_FindDropTarget(hwnd);
346
347 /*
348 * If it ain't in there, it's an error.
349 */
350 if (dropTargetInfo==NULL)
351 return DRAGDROP_E_NOTREGISTERED;
352
353 OLEDD_FreeDropTarget(dropTargetInfo, TRUE);
354
355 return S_OK;
356 }
357
358 /***********************************************************************
359 * OleRegGetUserType (OLE32.@)
360 *
361 * This implementation of OleRegGetUserType ignores the dwFormOfType
362 * parameter and always returns the full name of the object. This is
363 * not too bad since this is the case for many objects because of the
364 * way they are registered.
365 */
366 HRESULT WINAPI OleRegGetUserType(
367 REFCLSID clsid,
368 DWORD dwFormOfType,
369 LPOLESTR* pszUserType)
370 {
371 char keyName[60];
372 DWORD dwKeyType;
373 DWORD cbData;
374 HKEY clsidKey;
375 LONG hres;
376 LPSTR buffer;
377 HRESULT retVal;
378 /*
379 * Initialize the out parameter.
380 */
381 *pszUserType = NULL;
382
383 /*
384 * Build the key name we're looking for
385 */
386 sprintf( keyName, "CLSID\\{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}\\",
387 clsid->Data1, clsid->Data2, clsid->Data3,
388 clsid->Data4[0], clsid->Data4[1], clsid->Data4[2], clsid->Data4[3],
389 clsid->Data4[4], clsid->Data4[5], clsid->Data4[6], clsid->Data4[7] );
390
391 TRACE("(%s, %d, %p)\n", keyName, dwFormOfType, pszUserType);
392
393 /*
394 * Open the class id Key
395 */
396 hres = RegOpenKeyA(HKEY_CLASSES_ROOT,
397 keyName,
398 &clsidKey);
399
400 if (hres != ERROR_SUCCESS)
401 return REGDB_E_CLASSNOTREG;
402
403 /*
404 * Retrieve the size of the name string.
405 */
406 cbData = 0;
407
408 hres = RegQueryValueExA(clsidKey,
409 "",
410 NULL,
411 &dwKeyType,
412 NULL,
413 &cbData);
414
415 if (hres!=ERROR_SUCCESS)
416 {
417 RegCloseKey(clsidKey);
418 return REGDB_E_READREGDB;
419 }
420
421 /*
422 * Allocate a buffer for the registry value.
423 */
424 *pszUserType = CoTaskMemAlloc(cbData*2);
425
426 if (*pszUserType==NULL)
427 {
428 RegCloseKey(clsidKey);
429 return E_OUTOFMEMORY;
430 }
431
432 buffer = HeapAlloc(GetProcessHeap(), 0, cbData);
433
434 if (buffer == NULL)
435 {
436 RegCloseKey(clsidKey);
437 CoTaskMemFree(*pszUserType);
438 *pszUserType=NULL;
439 return E_OUTOFMEMORY;
440 }
441
442 hres = RegQueryValueExA(clsidKey,
443 "",
444 NULL,
445 &dwKeyType,
446 (LPBYTE) buffer,
447 &cbData);
448
449 RegCloseKey(clsidKey);
450
451
452 if (hres!=ERROR_SUCCESS)
453 {
454 CoTaskMemFree(*pszUserType);
455 *pszUserType=NULL;
456
457 retVal = REGDB_E_READREGDB;
458 }
459 else
460 {
461 MultiByteToWideChar( CP_ACP, 0, buffer, -1, *pszUserType, cbData /*FIXME*/ );
462 retVal = S_OK;
463 }
464 HeapFree(GetProcessHeap(), 0, buffer);
465
466 return retVal;
467 }
468
469 /***********************************************************************
470 * DoDragDrop [OLE32.@]
471 */
472 HRESULT WINAPI DoDragDrop (
473 IDataObject *pDataObject, /* [in] ptr to the data obj */
474 IDropSource* pDropSource, /* [in] ptr to the source obj */
475 DWORD dwOKEffect, /* [in] effects allowed by the source */
476 DWORD *pdwEffect) /* [out] ptr to effects of the source */
477 {
478 TrackerWindowInfo trackerInfo;
479 HWND hwndTrackWindow;
480 MSG msg;
481
482 TRACE("(DataObject %p, DropSource %p)\n", pDataObject, pDropSource);
483
484 /*
485 * Setup the drag n drop tracking window.
486 */
487 if (!IsValidInterface((LPUNKNOWN)pDropSource))
488 return E_INVALIDARG;
489
490 trackerInfo.dataObject = pDataObject;
491 trackerInfo.dropSource = pDropSource;
492 trackerInfo.dwOKEffect = dwOKEffect;
493 trackerInfo.pdwEffect = pdwEffect;
494 trackerInfo.trackingDone = FALSE;
495 trackerInfo.escPressed = FALSE;
496 trackerInfo.curDragTargetHWND = 0;
497 trackerInfo.curTargetHWND = 0;
498 trackerInfo.curDragTarget = 0;
499
500 hwndTrackWindow = CreateWindowA(OLEDD_DRAGTRACKERCLASS, "TrackerWindow",
501 WS_POPUP, CW_USEDEFAULT, CW_USEDEFAULT,
502 CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, 0,
503 &trackerInfo);
504
505 if (hwndTrackWindow!=0)
506 {
507 /*
508 * Capture the mouse input
509 */
510 SetCapture(hwndTrackWindow);
511
512 msg.message = 0;
513
514 /*
515 * Pump messages. All mouse input should go to the capture window.
516 */
517 while (!trackerInfo.trackingDone && GetMessageA(&msg, 0, 0, 0) )
518 {
519 trackerInfo.curMousePos.x = msg.pt.x;
520 trackerInfo.curMousePos.y = msg.pt.y;
521 trackerInfo.dwKeyState = OLEDD_GetButtonState();
522
523 if ( (msg.message >= WM_KEYFIRST) &&
524 (msg.message <= WM_KEYLAST) )
525 {
526 /*
527 * When keyboard messages are sent to windows on this thread, we
528 * want to ignore notify the drop source that the state changed.
529 * in the case of the Escape key, we also notify the drop source
530 * we give it a special meaning.
531 */
532 if ( (msg.message==WM_KEYDOWN) &&
533 (msg.wParam==VK_ESCAPE) )
534 {
535 trackerInfo.escPressed = TRUE;
536 }
537
538 /*
539 * Notify the drop source.
540 */
541 OLEDD_TrackStateChange(&trackerInfo);
542 }
543 else
544 {
545 /*
546 * Dispatch the messages only when it's not a keyboard message.
547 */
548 DispatchMessageA(&msg);
549 }
550 }
551
552 /* re-post the quit message to outer message loop */
553 if (msg.message == WM_QUIT)
554 PostQuitMessage(msg.wParam);
555 /*
556 * Destroy the temporary window.
557 */
558 DestroyWindow(hwndTrackWindow);
559
560 return trackerInfo.returnValue;
561 }
562
563 return E_FAIL;
564 }
565
566 /***********************************************************************
567 * OleQueryLinkFromData [OLE32.@]
568 */
569 HRESULT WINAPI OleQueryLinkFromData(
570 IDataObject* pSrcDataObject)
571 {
572 FIXME("(%p),stub!\n", pSrcDataObject);
573 return S_OK;
574 }
575
576 /***********************************************************************
577 * OleRegGetMiscStatus [OLE32.@]
578 */
579 HRESULT WINAPI OleRegGetMiscStatus(
580 REFCLSID clsid,
581 DWORD dwAspect,
582 DWORD* pdwStatus)
583 {
584 char keyName[60];
585 HKEY clsidKey;
586 HKEY miscStatusKey;
587 HKEY aspectKey;
588 LONG result;
589
590 /*
591 * Initialize the out parameter.
592 */
593 *pdwStatus = 0;
594
595 /*
596 * Build the key name we're looking for
597 */
598 sprintf( keyName, "CLSID\\{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}\\",
599 clsid->Data1, clsid->Data2, clsid->Data3,
600 clsid->Data4[0], clsid->Data4[1], clsid->Data4[2], clsid->Data4[3],
601 clsid->Data4[4], clsid->Data4[5], clsid->Data4[6], clsid->Data4[7] );
602
603 TRACE("(%s, %d, %p)\n", keyName, dwAspect, pdwStatus);
604
605 /*
606 * Open the class id Key
607 */
608 result = RegOpenKeyA(HKEY_CLASSES_ROOT,
609 keyName,
610 &clsidKey);
611
612 if (result != ERROR_SUCCESS)
613 return REGDB_E_CLASSNOTREG;
614
615 /*
616 * Get the MiscStatus
617 */
618 result = RegOpenKeyA(clsidKey,
619 "MiscStatus",
620 &miscStatusKey);
621
622
623 if (result != ERROR_SUCCESS)
624 {
625 RegCloseKey(clsidKey);
626 return REGDB_E_READREGDB;
627 }
628
629 /*
630 * Read the default value
631 */
632 OLEUTL_ReadRegistryDWORDValue(miscStatusKey, pdwStatus);
633
634 /*
635 * Open the key specific to the requested aspect.
636 */
637 sprintf(keyName, "%d", dwAspect);
638
639 result = RegOpenKeyA(miscStatusKey,
640 keyName,
641 &aspectKey);
642
643 if (result == ERROR_SUCCESS)
644 {
645 OLEUTL_ReadRegistryDWORDValue(aspectKey, pdwStatus);
646 RegCloseKey(aspectKey);
647 }
648
649 /*
650 * Cleanup
651 */
652 RegCloseKey(miscStatusKey);
653 RegCloseKey(clsidKey);
654
655 return S_OK;
656 }
657
658 static HRESULT EnumOLEVERB_Construct(HKEY hkeyVerb, ULONG index, IEnumOLEVERB **ppenum);
659
660 typedef struct
661 {
662 const IEnumOLEVERBVtbl *lpvtbl;
663 LONG ref;
664
665 HKEY hkeyVerb;
666 ULONG index;
667 } EnumOLEVERB;
668
669 static HRESULT WINAPI EnumOLEVERB_QueryInterface(
670 IEnumOLEVERB *iface, REFIID riid, void **ppv)
671 {
672 TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
673 if (IsEqualIID(riid, &IID_IUnknown) ||
674 IsEqualIID(riid, &IID_IEnumOLEVERB))
675 {
676 IUnknown_AddRef(iface);
677 *ppv = iface;
678 return S_OK;
679 }
680 return E_NOINTERFACE;
681 }
682
683 static ULONG WINAPI EnumOLEVERB_AddRef(
684 IEnumOLEVERB *iface)
685 {
686 EnumOLEVERB *This = (EnumOLEVERB *)iface;
687 TRACE("()\n");
688 return InterlockedIncrement(&This->ref);
689 }
690
691 static ULONG WINAPI EnumOLEVERB_Release(
692 IEnumOLEVERB *iface)
693 {
694 EnumOLEVERB *This = (EnumOLEVERB *)iface;
695 LONG refs = InterlockedDecrement(&This->ref);
696 TRACE("()\n");
697 if (!refs)
698 {
699 RegCloseKey(This->hkeyVerb);
700 HeapFree(GetProcessHeap(), 0, This);
701 }
702 return refs;
703 }
704
705 static HRESULT WINAPI EnumOLEVERB_Next(
706 IEnumOLEVERB *iface, ULONG celt, LPOLEVERB rgelt,
707 ULONG *pceltFetched)
708 {
709 EnumOLEVERB *This = (EnumOLEVERB *)iface;
710 HRESULT hr = S_OK;
711
712 TRACE("(%d, %p, %p)\n", celt, rgelt, pceltFetched);
713
714 if (pceltFetched)
715 *pceltFetched = 0;
716
717 for (; celt; celt--, rgelt++)
718 {
719 WCHAR wszSubKey[20];
720 LONG cbData;
721 LPWSTR pwszOLEVERB;
722 LPWSTR pwszMenuFlags;
723 LPWSTR pwszAttribs;
724 LONG res = RegEnumKeyW(This->hkeyVerb, This->index, wszSubKey, sizeof(wszSubKey)/sizeof(wszSubKey[0]));
725 if (res == ERROR_NO_MORE_ITEMS)
726 {
727 hr = S_FALSE;
728 break;
729 }
730 else if (res != ERROR_SUCCESS)
731 {
732 ERR("RegEnumKeyW failed with error %d\n", res);
733 hr = REGDB_E_READREGDB;
734 break;
735 }
736 res = RegQueryValueW(This->hkeyVerb, wszSubKey, NULL, &cbData);
737 if (res != ERROR_SUCCESS)
738 {
739 ERR("RegQueryValueW failed with error %d\n", res);
740 hr = REGDB_E_READREGDB;
741 break;
742 }
743 pwszOLEVERB = CoTaskMemAlloc(cbData);
744 if (!pwszOLEVERB)
745 {
746 hr = E_OUTOFMEMORY;
747 break;
748 }
749 res = RegQueryValueW(This->hkeyVerb, wszSubKey, pwszOLEVERB, &cbData);
750 if (res != ERROR_SUCCESS)
751 {
752 ERR("RegQueryValueW failed with error %d\n", res);
753 hr = REGDB_E_READREGDB;
754 CoTaskMemFree(pwszOLEVERB);
755 break;
756 }
757
758 TRACE("verb string: %s\n", debugstr_w(pwszOLEVERB));
759 pwszMenuFlags = strchrW(pwszOLEVERB, ',');
760 if (!pwszMenuFlags)
761 {
762 hr = OLEOBJ_E_INVALIDVERB;
763 CoTaskMemFree(pwszOLEVERB);
764 break;
765 }
766 /* nul terminate the name string and advance to first character */
767 *pwszMenuFlags = '\0';
768 pwszMenuFlags++;
769 pwszAttribs = strchrW(pwszMenuFlags, ',');
770 if (!pwszAttribs)
771 {
772 hr = OLEOBJ_E_INVALIDVERB;
773 CoTaskMemFree(pwszOLEVERB);
774 break;
775 }
776 /* nul terminate the menu string and advance to first character */
777 *pwszAttribs = '\0';
778 pwszAttribs++;
779
780 /* fill out structure for this verb */
781 rgelt->lVerb = atolW(wszSubKey);
782 rgelt->lpszVerbName = pwszOLEVERB; /* user should free */
783 rgelt->fuFlags = atolW(pwszMenuFlags);
784 rgelt->grfAttribs = atolW(pwszAttribs);
785
786 if (pceltFetched)
787 (*pceltFetched)++;
788 This->index++;
789 }
790 return hr;
791 }
792
793 static HRESULT WINAPI EnumOLEVERB_Skip(
794 IEnumOLEVERB *iface, ULONG celt)
795 {
796 EnumOLEVERB *This = (EnumOLEVERB *)iface;
797
798 TRACE("(%d)\n", celt);
799
800 This->index += celt;
801 return S_OK;
802 }
803
804 static HRESULT WINAPI EnumOLEVERB_Reset(
805 IEnumOLEVERB *iface)
806 {
807 EnumOLEVERB *This = (EnumOLEVERB *)iface;
808
809 TRACE("()\n");
810
811 This->index = 0;
812 return S_OK;
813 }
814
815 static HRESULT WINAPI EnumOLEVERB_Clone(
816 IEnumOLEVERB *iface,
817 IEnumOLEVERB **ppenum)
818 {
819 EnumOLEVERB *This = (EnumOLEVERB *)iface;
820 HKEY hkeyVerb;
821 TRACE("(%p)\n", ppenum);
822 if (!DuplicateHandle(GetCurrentProcess(), This->hkeyVerb, GetCurrentProcess(), (HANDLE *)&hkeyVerb, 0, FALSE, DUPLICATE_SAME_ACCESS))
823 return HRESULT_FROM_WIN32(GetLastError());
824 return EnumOLEVERB_Construct(hkeyVerb, This->index, ppenum);
825 }
826
827 static const IEnumOLEVERBVtbl EnumOLEVERB_VTable =
828 {
829 EnumOLEVERB_QueryInterface,
830 EnumOLEVERB_AddRef,
831 EnumOLEVERB_Release,
832 EnumOLEVERB_Next,
833 EnumOLEVERB_Skip,
834 EnumOLEVERB_Reset,
835 EnumOLEVERB_Clone
836 };
837
838 static HRESULT EnumOLEVERB_Construct(HKEY hkeyVerb, ULONG index, IEnumOLEVERB **ppenum)
839 {
840 EnumOLEVERB *This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
841 if (!This)
842 {
843 RegCloseKey(hkeyVerb);
844 return E_OUTOFMEMORY;
845 }
846 This->lpvtbl = &EnumOLEVERB_VTable;
847 This->ref = 1;
848 This->index = index;
849 This->hkeyVerb = hkeyVerb;
850 *ppenum = (IEnumOLEVERB *)&This->lpvtbl;
851 return S_OK;
852 }
853
854 /***********************************************************************
855 * OleRegEnumVerbs [OLE32.@]
856 *
857 * Enumerates verbs associated with a class stored in the registry.
858 *
859 * PARAMS
860 * clsid [I] Class ID to enumerate the verbs for.
861 * ppenum [O] Enumerator.
862 *
863 * RETURNS
864 * S_OK: Success.
865 * REGDB_E_CLASSNOTREG: The specified class does not have a key in the registry.
866 * REGDB_E_READREGDB: The class key could not be opened for some other reason.
867 * OLE_E_REGDB_KEY: The Verb subkey for the class is not present.
868 * OLEOBJ_E_NOVERBS: The Verb subkey for the class is empty.
869 */
870 HRESULT WINAPI OleRegEnumVerbs (REFCLSID clsid, LPENUMOLEVERB* ppenum)
871 {
872 LONG res;
873 HKEY hkeyVerb;
874 DWORD dwSubKeys;
875 static const WCHAR wszVerb[] = {'V','e','r','b',0};
876
877 TRACE("(%s, %p)\n", debugstr_guid(clsid), ppenum);
878
879 res = COM_OpenKeyForCLSID(clsid, wszVerb, KEY_READ, &hkeyVerb);
880 if (FAILED(res))
881 {
882 if (res == REGDB_E_CLASSNOTREG)
883 ERR("CLSID %s not registered\n", debugstr_guid(clsid));
884 else if (res == REGDB_E_KEYMISSING)
885 ERR("no Verbs key for class %s\n", debugstr_guid(clsid));
886 else
887 ERR("failed to open Verbs key for CLSID %s with error %d\n",
888 debugstr_guid(clsid), res);
889 return res;
890 }
891
892 res = RegQueryInfoKeyW(hkeyVerb, NULL, NULL, NULL, &dwSubKeys, NULL,
893 NULL, NULL, NULL, NULL, NULL, NULL);
894 if (res != ERROR_SUCCESS)
895 {
896 ERR("failed to get subkey count with error %d\n", GetLastError());
897 return REGDB_E_READREGDB;
898 }
899
900 if (!dwSubKeys)
901 {
902 WARN("class %s has no verbs\n", debugstr_guid(clsid));
903 RegCloseKey(hkeyVerb);
904 return OLEOBJ_E_NOVERBS;
905 }
906
907 return EnumOLEVERB_Construct(hkeyVerb, 0, ppenum);
908 }
909
910 /******************************************************************************
911 * OleSetContainedObject [OLE32.@]
912 */
913 HRESULT WINAPI OleSetContainedObject(
914 LPUNKNOWN pUnknown,
915 BOOL fContained)
916 {
917 IRunnableObject* runnable = NULL;
918 HRESULT hres;
919
920 TRACE("(%p,%x)\n", pUnknown, fContained);
921
922 hres = IUnknown_QueryInterface(pUnknown,
923 &IID_IRunnableObject,
924 (void**)&runnable);
925
926 if (SUCCEEDED(hres))
927 {
928 hres = IRunnableObject_SetContainedObject(runnable, fContained);
929
930 IRunnableObject_Release(runnable);
931
932 return hres;
933 }
934
935 return S_OK;
936 }
937
938 /******************************************************************************
939 * OleRun [OLE32.@]
940 *
941 * Set the OLE object to the running state.
942 *
943 * PARAMS
944 * pUnknown [I] OLE object to run.
945 *
946 * RETURNS
947 * Success: S_OK.
948 * Failure: Any HRESULT code.
949 */
950 HRESULT WINAPI OleRun(LPUNKNOWN pUnknown)
951 {
952 IRunnableObject *runable;
953 HRESULT hres;
954
955 TRACE("(%p)\n", pUnknown);
956
957 hres = IUnknown_QueryInterface(pUnknown, &IID_IRunnableObject, (void**)&runable);
958 if (FAILED(hres))
959 return S_OK; /* Appears to return no error. */
960
961 hres = IRunnableObject_Run(runable, NULL);
962 IRunnableObject_Release(runable);
963 return hres;
964 }
965
966 /******************************************************************************
967 * OleLoad [OLE32.@]
968 */
969 HRESULT WINAPI OleLoad(
970 LPSTORAGE pStg,
971 REFIID riid,
972 LPOLECLIENTSITE pClientSite,
973 LPVOID* ppvObj)
974 {
975 IPersistStorage* persistStorage = NULL;
976 IUnknown* pUnk;
977 IOleObject* pOleObject = NULL;
978 STATSTG storageInfo;
979 HRESULT hres;
980
981 TRACE("(%p, %s, %p, %p)\n", pStg, debugstr_guid(riid), pClientSite, ppvObj);
982
983 *ppvObj = NULL;
984
985 /*
986 * TODO, Conversion ... OleDoAutoConvert
987 */
988
989 /*
990 * Get the class ID for the object.
991 */
992 hres = IStorage_Stat(pStg, &storageInfo, STATFLAG_NONAME);
993
994 /*
995 * Now, try and create the handler for the object
996 */
997 hres = CoCreateInstance(&storageInfo.clsid,
998 NULL,
999 CLSCTX_INPROC_HANDLER|CLSCTX_INPROC_SERVER,
1000 riid,
1001 (void**)&pUnk);
1002
1003 /*
1004 * If that fails, as it will most times, load the default
1005 * OLE handler.
1006 */
1007 if (FAILED(hres))
1008 {
1009 hres = OleCreateDefaultHandler(&storageInfo.clsid,
1010 NULL,
1011 riid,
1012 (void**)&pUnk);
1013 }
1014
1015 /*
1016 * If we couldn't find a handler... this is bad. Abort the whole thing.
1017 */
1018 if (FAILED(hres))
1019 return hres;
1020
1021 if (pClientSite)
1022 {
1023 hres = IUnknown_QueryInterface(pUnk, &IID_IOleObject, (void **)&pOleObject);
1024 if (SUCCEEDED(hres))
1025 {
1026 DWORD dwStatus;
1027 hres = IOleObject_GetMiscStatus(pOleObject, DVASPECT_CONTENT, &dwStatus);
1028 }
1029 }
1030
1031 if (SUCCEEDED(hres))
1032 /*
1033 * Initialize the object with it's IPersistStorage interface.
1034 */
1035 hres = IOleObject_QueryInterface(pUnk,
1036 &IID_IPersistStorage,
1037 (void**)&persistStorage);
1038
1039 if (SUCCEEDED(hres))
1040 {
1041 hres = IPersistStorage_Load(persistStorage, pStg);
1042
1043 IPersistStorage_Release(persistStorage);
1044 persistStorage = NULL;
1045 }
1046
1047 if (SUCCEEDED(hres) && pClientSite)
1048 /*
1049 * Inform the new object of it's client site.
1050 */
1051 hres = IOleObject_SetClientSite(pOleObject, pClientSite);
1052
1053 /*
1054 * Cleanup interfaces used internally
1055 */
1056 if (pOleObject)
1057 IOleObject_Release(pOleObject);
1058
1059 if (SUCCEEDED(hres))
1060 {
1061 IOleLink *pOleLink;
1062 HRESULT hres1;
1063 hres1 = IUnknown_QueryInterface(pUnk, &IID_IOleLink, (void **)&pOleLink);
1064 if (SUCCEEDED(hres1))
1065 {
1066 FIXME("handle OLE link\n");
1067 IOleLink_Release(pOleLink);
1068 }
1069 }
1070
1071 if (FAILED(hres))
1072 {
1073 IUnknown_Release(pUnk);
1074 pUnk = NULL;
1075 }
1076
1077 *ppvObj = pUnk;
1078
1079 return hres;
1080 }
1081
1082 /***********************************************************************
1083 * OleSave [OLE32.@]
1084 */
1085 HRESULT WINAPI OleSave(
1086 LPPERSISTSTORAGE pPS,
1087 LPSTORAGE pStg,
1088 BOOL fSameAsLoad)
1089 {
1090 HRESULT hres;
1091 CLSID objectClass;
1092
1093 TRACE("(%p,%p,%x)\n", pPS, pStg, fSameAsLoad);
1094
1095 /*
1096 * First, we transfer the class ID (if available)
1097 */
1098 hres = IPersistStorage_GetClassID(pPS, &objectClass);
1099
1100 if (SUCCEEDED(hres))
1101 {
1102 WriteClassStg(pStg, &objectClass);
1103 }
1104
1105 /*
1106 * Then, we ask the object to save itself to the
1107 * storage. If it is successful, we commit the storage.
1108 */
1109 hres = IPersistStorage_Save(pPS, pStg, fSameAsLoad);
1110
1111 if (SUCCEEDED(hres))
1112 {
1113 IStorage_Commit(pStg,
1114 STGC_DEFAULT);
1115 }
1116
1117 return hres;
1118 }
1119
1120
1121 /******************************************************************************
1122 * OleLockRunning [OLE32.@]
1123 */
1124 HRESULT WINAPI OleLockRunning(LPUNKNOWN pUnknown, BOOL fLock, BOOL fLastUnlockCloses)
1125 {
1126 IRunnableObject* runnable = NULL;
1127 HRESULT hres;
1128
1129 TRACE("(%p,%x,%x)\n", pUnknown, fLock, fLastUnlockCloses);
1130
1131 hres = IUnknown_QueryInterface(pUnknown,
1132 &IID_IRunnableObject,
1133 (void**)&runnable);
1134
1135 if (SUCCEEDED(hres))
1136 {
1137 hres = IRunnableObject_LockRunning(runnable, fLock, fLastUnlockCloses);
1138
1139 IRunnableObject_Release(runnable);
1140
1141 return hres;
1142 }
1143 else
1144 return E_INVALIDARG;
1145 }
1146
1147
1148 /**************************************************************************
1149 * Internal methods to manage the shared OLE menu in response to the
1150 * OLE***MenuDescriptor API
1151 */
1152
1153 /***
1154 * OLEMenu_Initialize()
1155 *
1156 * Initializes the OLEMENU data structures.
1157 */
1158 static void OLEMenu_Initialize(void)
1159 {
1160 }
1161
1162 /***
1163 * OLEMenu_UnInitialize()
1164 *
1165 * Releases the OLEMENU data structures.
1166 */
1167 static void OLEMenu_UnInitialize(void)
1168 {
1169 }
1170
1171 /*************************************************************************
1172 * OLEMenu_InstallHooks
1173 * Install thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC
1174 *
1175 * RETURNS: TRUE if message hooks were successfully installed
1176 * FALSE on failure
1177 */
1178 static BOOL OLEMenu_InstallHooks( DWORD tid )
1179 {
1180 OleMenuHookItem *pHookItem = NULL;
1181
1182 /* Create an entry for the hook table */
1183 if ( !(pHookItem = HeapAlloc(GetProcessHeap(), 0,
1184 sizeof(OleMenuHookItem)) ) )
1185 return FALSE;
1186
1187 pHookItem->tid = tid;
1188 pHookItem->hHeap = GetProcessHeap();
1189
1190 /* Install a thread scope message hook for WH_GETMESSAGE */
1191 pHookItem->GetMsg_hHook = SetWindowsHookExA( WH_GETMESSAGE, OLEMenu_GetMsgProc,
1192 0, GetCurrentThreadId() );
1193 if ( !pHookItem->GetMsg_hHook )
1194 goto CLEANUP;
1195
1196 /* Install a thread scope message hook for WH_CALLWNDPROC */
1197 pHookItem->CallWndProc_hHook = SetWindowsHookExA( WH_CALLWNDPROC, OLEMenu_CallWndProc,
1198 0, GetCurrentThreadId() );
1199 if ( !pHookItem->CallWndProc_hHook )
1200 goto CLEANUP;
1201
1202 /* Insert the hook table entry */
1203 pHookItem->next = hook_list;
1204 hook_list = pHookItem;
1205
1206 return TRUE;
1207
1208 CLEANUP:
1209 /* Unhook any hooks */
1210 if ( pHookItem->GetMsg_hHook )
1211 UnhookWindowsHookEx( pHookItem->GetMsg_hHook );
1212 if ( pHookItem->CallWndProc_hHook )
1213 UnhookWindowsHookEx( pHookItem->CallWndProc_hHook );
1214 /* Release the hook table entry */
1215 HeapFree(pHookItem->hHeap, 0, pHookItem );
1216
1217 return FALSE;
1218 }
1219
1220 /*************************************************************************
1221 * OLEMenu_UnInstallHooks
1222 * UnInstall thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC
1223 *
1224 * RETURNS: TRUE if message hooks were successfully installed
1225 * FALSE on failure
1226 */
1227 static BOOL OLEMenu_UnInstallHooks( DWORD tid )
1228 {
1229 OleMenuHookItem *pHookItem = NULL;
1230 OleMenuHookItem **ppHook = &hook_list;
1231
1232 while (*ppHook)
1233 {
1234 if ((*ppHook)->tid == tid)
1235 {
1236 pHookItem = *ppHook;
1237 *ppHook = pHookItem->next;
1238 break;
1239 }
1240 ppHook = &(*ppHook)->next;
1241 }
1242 if (!pHookItem) return FALSE;
1243
1244 /* Uninstall the hooks installed for this thread */
1245 if ( !UnhookWindowsHookEx( pHookItem->GetMsg_hHook ) )
1246 goto CLEANUP;
1247 if ( !UnhookWindowsHookEx( pHookItem->CallWndProc_hHook ) )
1248 goto CLEANUP;
1249
1250 /* Release the hook table entry */
1251 HeapFree(pHookItem->hHeap, 0, pHookItem );
1252
1253 return TRUE;
1254
1255 CLEANUP:
1256 /* Release the hook table entry */
1257 HeapFree(pHookItem->hHeap, 0, pHookItem );
1258
1259 return FALSE;
1260 }
1261
1262 /*************************************************************************
1263 * OLEMenu_IsHookInstalled
1264 * Tests if OLEMenu hooks have been installed for a thread
1265 *
1266 * RETURNS: The pointer and index of the hook table entry for the tid
1267 * NULL and -1 for the index if no hooks were installed for this thread
1268 */
1269 static OleMenuHookItem * OLEMenu_IsHookInstalled( DWORD tid )
1270 {
1271 OleMenuHookItem *pHookItem = NULL;
1272
1273 /* Do a simple linear search for an entry whose tid matches ours.
1274 * We really need a map but efficiency is not a concern here. */
1275 for (pHookItem = hook_list; pHookItem; pHookItem = pHookItem->next)
1276 {
1277 if ( tid == pHookItem->tid )
1278 return pHookItem;
1279 }
1280
1281 return NULL;
1282 }
1283
1284 /***********************************************************************
1285 * OLEMenu_FindMainMenuIndex
1286 *
1287 * Used by OLEMenu API to find the top level group a menu item belongs to.
1288 * On success pnPos contains the index of the item in the top level menu group
1289 *
1290 * RETURNS: TRUE if the ID was found, FALSE on failure
1291 */
1292 static BOOL OLEMenu_FindMainMenuIndex( HMENU hMainMenu, HMENU hPopupMenu, UINT *pnPos )
1293 {
1294 INT i, nItems;
1295
1296 nItems = GetMenuItemCount( hMainMenu );
1297
1298 for (i = 0; i < nItems; i++)
1299 {
1300 HMENU hsubmenu;
1301
1302 /* Is the current item a submenu? */
1303 if ( (hsubmenu = GetSubMenu(hMainMenu, i)) )
1304 {
1305 /* If the handle is the same we're done */
1306 if ( hsubmenu == hPopupMenu )
1307 {
1308 if (pnPos)
1309 *pnPos = i;
1310 return TRUE;
1311 }
1312 /* Recursively search without updating pnPos */
1313 else if ( OLEMenu_FindMainMenuIndex( hsubmenu, hPopupMenu, NULL ) )
1314 {
1315 if (pnPos)
1316 *pnPos = i;
1317 return TRUE;
1318 }
1319 }
1320 }
1321
1322 return FALSE;
1323 }
1324
1325 /***********************************************************************
1326 * OLEMenu_SetIsServerMenu
1327 *
1328 * Checks whether a popup menu belongs to a shared menu group which is
1329 * owned by the server, and sets the menu descriptor state accordingly.
1330 * All menu messages from these groups should be routed to the server.
1331 *
1332 * RETURNS: TRUE if the popup menu is part of a server owned group
1333 * FALSE if the popup menu is part of a container owned group
1334 */
1335 static BOOL OLEMenu_SetIsServerMenu( HMENU hmenu, OleMenuDescriptor *pOleMenuDescriptor )
1336 {
1337 UINT nPos = 0, nWidth, i;
1338
1339 pOleMenuDescriptor->bIsServerItem = FALSE;
1340
1341 /* Don't bother searching if the popup is the combined menu itself */
1342 if ( hmenu == pOleMenuDescriptor->hmenuCombined )
1343 return FALSE;
1344
1345 /* Find the menu item index in the shared OLE menu that this item belongs to */
1346 if ( !OLEMenu_FindMainMenuIndex( pOleMenuDescriptor->hmenuCombined, hmenu, &nPos ) )
1347 return FALSE;
1348
1349 /* The group widths array has counts for the number of elements
1350 * in the groups File, Edit, Container, Object, Window, Help.
1351 * The Edit, Object & Help groups belong to the server object
1352 * and the other three belong to the container.
1353 * Loop through the group widths and locate the group we are a member of.
1354 */
1355 for ( i = 0, nWidth = 0; i < 6; i++ )
1356 {
1357 nWidth += pOleMenuDescriptor->mgw.width[i];
1358 if ( nPos < nWidth )
1359 {
1360 /* Odd elements are server menu widths */
1361 pOleMenuDescriptor->bIsServerItem = (i%2) ? TRUE : FALSE;
1362 break;
1363 }
1364 }
1365
1366 return pOleMenuDescriptor->bIsServerItem;
1367 }
1368
1369 /*************************************************************************
1370 * OLEMenu_CallWndProc
1371 * Thread scope WH_CALLWNDPROC hook proc filter function (callback)
1372 * This is invoked from a message hook installed in OleSetMenuDescriptor.
1373 */
1374 static LRESULT CALLBACK OLEMenu_CallWndProc(INT code, WPARAM wParam, LPARAM lParam)
1375 {
1376 LPCWPSTRUCT pMsg = NULL;
1377 HOLEMENU hOleMenu = 0;
1378 OleMenuDescriptor *pOleMenuDescriptor = NULL;
1379 OleMenuHookItem *pHookItem = NULL;
1380 WORD fuFlags;
1381
1382 TRACE("%i, %04lx, %08lx\n", code, wParam, lParam );
1383
1384 /* Check if we're being asked to process the message */
1385 if ( HC_ACTION != code )
1386 goto NEXTHOOK;
1387
1388 /* Retrieve the current message being dispatched from lParam */
1389 pMsg = (LPCWPSTRUCT)lParam;
1390
1391 /* Check if the message is destined for a window we are interested in:
1392 * If the window has an OLEMenu property we may need to dispatch
1393 * the menu message to its active objects window instead. */
1394
1395 hOleMenu = GetPropA( pMsg->hwnd, "PROP_OLEMenuDescriptor" );
1396 if ( !hOleMenu )
1397 goto NEXTHOOK;
1398
1399 /* Get the menu descriptor */
1400 pOleMenuDescriptor = GlobalLock( hOleMenu );
1401 if ( !pOleMenuDescriptor ) /* Bad descriptor! */
1402 goto NEXTHOOK;
1403
1404 /* Process menu messages */
1405 switch( pMsg->message )
1406 {
1407 case WM_INITMENU:
1408 {
1409 /* Reset the menu descriptor state */
1410 pOleMenuDescriptor->bIsServerItem = FALSE;
1411
1412 /* Send this message to the server as well */
1413 SendMessageA( pOleMenuDescriptor->hwndActiveObject,
1414 pMsg->message, pMsg->wParam, pMsg->lParam );
1415 goto NEXTHOOK;
1416 }
1417
1418 case WM_INITMENUPOPUP:
1419 {
1420 /* Save the state for whether this is a server owned menu */
1421 OLEMenu_SetIsServerMenu( (HMENU)pMsg->wParam, pOleMenuDescriptor );
1422 break;
1423 }
1424
1425 case WM_MENUSELECT:
1426 {
1427 fuFlags = HIWORD(pMsg->wParam); /* Get flags */
1428 if ( fuFlags & MF_SYSMENU )
1429 goto NEXTHOOK;
1430
1431 /* Save the state for whether this is a server owned popup menu */
1432 else if ( fuFlags & MF_POPUP )
1433 OLEMenu_SetIsServerMenu( (HMENU)pMsg->lParam, pOleMenuDescriptor );
1434
1435 break;
1436 }
1437
1438 case WM_DRAWITEM:
1439 {
1440 LPDRAWITEMSTRUCT lpdis = (LPDRAWITEMSTRUCT) pMsg->lParam;
1441 if ( pMsg->wParam != 0 || lpdis->CtlType != ODT_MENU )
1442 goto NEXTHOOK; /* Not a menu message */
1443
1444 break;
1445 }
1446
1447 default:
1448 goto NEXTHOOK;
1449 }
1450
1451 /* If the message was for the server dispatch it accordingly */
1452 if ( pOleMenuDescriptor->bIsServerItem )
1453 {
1454 SendMessageA( pOleMenuDescriptor->hwndActiveObject,
1455 pMsg->message, pMsg->wParam, pMsg->lParam );
1456 }
1457
1458 NEXTHOOK:
1459 if ( pOleMenuDescriptor )
1460 GlobalUnlock( hOleMenu );
1461
1462 /* Lookup the hook item for the current thread */
1463 if ( !( pHookItem = OLEMenu_IsHookInstalled( GetCurrentThreadId() ) ) )
1464 {
1465 /* This should never fail!! */
1466 WARN("could not retrieve hHook for current thread!\n" );
1467 return 0;
1468 }
1469
1470 /* Pass on the message to the next hooker */
1471 return CallNextHookEx( pHookItem->CallWndProc_hHook, code, wParam, lParam );
1472 }
1473
1474 /*************************************************************************
1475 * OLEMenu_GetMsgProc
1476 * Thread scope WH_GETMESSAGE hook proc filter function (callback)
1477 * This is invoked from a message hook installed in OleSetMenuDescriptor.
1478 */
1479 static LRESULT CALLBACK OLEMenu_GetMsgProc(INT code, WPARAM wParam, LPARAM lParam)
1480 {
1481 LPMSG pMsg = NULL;
1482 HOLEMENU hOleMenu = 0;
1483 OleMenuDescriptor *pOleMenuDescriptor = NULL;
1484 OleMenuHookItem *pHookItem = NULL;
1485 WORD wCode;
1486
1487 TRACE("%i, %04lx, %08lx\n", code, wParam, lParam );
1488
1489 /* Check if we're being asked to process a messages */
1490 if ( HC_ACTION != code )
1491 goto NEXTHOOK;
1492
1493 /* Retrieve the current message being dispatched from lParam */
1494 pMsg = (LPMSG)lParam;
1495
1496 /* Check if the message is destined for a window we are interested in:
1497 * If the window has an OLEMenu property we may need to dispatch
1498 * the menu message to its active objects window instead. */
1499
1500 hOleMenu = GetPropA( pMsg->hwnd, "PROP_OLEMenuDescriptor" );
1501 if ( !hOleMenu )
1502 goto NEXTHOOK;
1503
1504 /* Process menu messages */
1505 switch( pMsg->message )
1506 {
1507 case WM_COMMAND:
1508 {
1509 wCode = HIWORD(pMsg->wParam); /* Get notification code */
1510 if ( wCode )
1511 goto NEXTHOOK; /* Not a menu message */
1512 break;
1513 }
1514 default:
1515 goto NEXTHOOK;
1516 }
1517
1518 /* Get the menu descriptor */
1519 pOleMenuDescriptor = GlobalLock( hOleMenu );
1520 if ( !pOleMenuDescriptor ) /* Bad descriptor! */
1521 goto NEXTHOOK;
1522
1523 /* If the message was for the server dispatch it accordingly */
1524 if ( pOleMenuDescriptor->bIsServerItem )
1525 {
1526 /* Change the hWnd in the message to the active objects hWnd.
1527 * The message loop which reads this message will automatically
1528 * dispatch it to the embedded objects window. */
1529 pMsg->hwnd = pOleMenuDescriptor->hwndActiveObject;
1530 }
1531
1532 NEXTHOOK:
1533 if ( pOleMenuDescriptor )
1534 GlobalUnlock( hOleMenu );
1535
1536 /* Lookup the hook item for the current thread */
1537 if ( !( pHookItem = OLEMenu_IsHookInstalled( GetCurrentThreadId() ) ) )
1538 {
1539 /* This should never fail!! */
1540 WARN("could not retrieve hHook for current thread!\n" );
1541 return FALSE;
1542 }
1543
1544 /* Pass on the message to the next hooker */
1545 return CallNextHookEx( pHookItem->GetMsg_hHook, code, wParam, lParam );
1546 }
1547
1548 /***********************************************************************
1549 * OleCreateMenuDescriptor [OLE32.@]
1550 * Creates an OLE menu descriptor for OLE to use when dispatching
1551 * menu messages and commands.
1552 *
1553 * PARAMS:
1554 * hmenuCombined - Handle to the objects combined menu
1555 * lpMenuWidths - Pointer to array of 6 LONG's indicating menus per group
1556 *
1557 */
1558 HOLEMENU WINAPI OleCreateMenuDescriptor(
1559 HMENU hmenuCombined,
1560 LPOLEMENUGROUPWIDTHS lpMenuWidths)
1561 {
1562 HOLEMENU hOleMenu;
1563 OleMenuDescriptor *pOleMenuDescriptor;
1564 int i;
1565
1566 if ( !hmenuCombined || !lpMenuWidths )
1567 return 0;
1568
1569 /* Create an OLE menu descriptor */
1570 if ( !(hOleMenu = GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT,
1571 sizeof(OleMenuDescriptor) ) ) )
1572 return 0;
1573
1574 pOleMenuDescriptor = GlobalLock( hOleMenu );
1575 if ( !pOleMenuDescriptor )
1576 return 0;
1577
1578 /* Initialize menu group widths and hmenu */
1579 for ( i = 0; i < 6; i++ )
1580 pOleMenuDescriptor->mgw.width[i] = lpMenuWidths->width[i];
1581
1582 pOleMenuDescriptor->hmenuCombined = hmenuCombined;
1583 pOleMenuDescriptor->bIsServerItem = FALSE;
1584 GlobalUnlock( hOleMenu );
1585
1586 return hOleMenu;
1587 }
1588
1589 /***********************************************************************
1590 * OleDestroyMenuDescriptor [OLE32.@]
1591 * Destroy the shared menu descriptor
1592 */
1593 HRESULT WINAPI OleDestroyMenuDescriptor(
1594 HOLEMENU hmenuDescriptor)
1595 {
1596 if ( hmenuDescriptor )
1597 GlobalFree( hmenuDescriptor );
1598 return S_OK;
1599 }
1600
1601 /***********************************************************************
1602 * OleSetMenuDescriptor [OLE32.@]
1603 * Installs or removes OLE dispatching code for the containers frame window.
1604 *
1605 * PARAMS
1606 * hOleMenu Handle to composite menu descriptor
1607 * hwndFrame Handle to containers frame window
1608 * hwndActiveObject Handle to objects in-place activation window
1609 * lpFrame Pointer to IOleInPlaceFrame on containers window
1610 * lpActiveObject Pointer to IOleInPlaceActiveObject on active in-place object
1611 *
1612 * RETURNS
1613 * S_OK - menu installed correctly
1614 * E_FAIL, E_INVALIDARG, E_UNEXPECTED - failure
1615 *
1616 * FIXME
1617 * The lpFrame and lpActiveObject parameters are currently ignored
1618 * OLE should install context sensitive help F1 filtering for the app when
1619 * these are non null.
1620 */
1621 HRESULT WINAPI OleSetMenuDescriptor(
1622 HOLEMENU hOleMenu,
1623 HWND hwndFrame,
1624 HWND hwndActiveObject,
1625 LPOLEINPLACEFRAME lpFrame,
1626 LPOLEINPLACEACTIVEOBJECT lpActiveObject)
1627 {
1628 OleMenuDescriptor *pOleMenuDescriptor = NULL;
1629
1630 /* Check args */
1631 if ( !hwndFrame || (hOleMenu && !hwndActiveObject) )
1632 return E_INVALIDARG;
1633
1634 if ( lpFrame || lpActiveObject )
1635 {
1636 FIXME("(%p, %p, %p, %p, %p), Context sensitive help filtering not implemented!\n",
1637 hOleMenu,
1638 hwndFrame,
1639 hwndActiveObject,
1640 lpFrame,
1641 lpActiveObject);
1642 }
1643
1644 /* Set up a message hook to intercept the containers frame window messages.
1645 * The message filter is responsible for dispatching menu messages from the
1646 * shared menu which are intended for the object.
1647 */
1648
1649 if ( hOleMenu ) /* Want to install dispatching code */
1650 {
1651 /* If OLEMenu hooks are already installed for this thread, fail
1652 * Note: This effectively means that OleSetMenuDescriptor cannot
1653 * be called twice in succession on the same frame window
1654 * without first calling it with a null hOleMenu to uninstall */
1655 if ( OLEMenu_IsHookInstalled( GetCurrentThreadId() ) )
1656 return E_FAIL;
1657
1658 /* Get the menu descriptor */
1659 pOleMenuDescriptor = GlobalLock( hOleMenu );
1660 if ( !pOleMenuDescriptor )
1661 return E_UNEXPECTED;
1662
1663 /* Update the menu descriptor */
1664 pOleMenuDescriptor->hwndFrame = hwndFrame;
1665 pOleMenuDescriptor->hwndActiveObject = hwndActiveObject;
1666
1667 GlobalUnlock( hOleMenu );
1668 pOleMenuDescriptor = NULL;
1669
1670 /* Add a menu descriptor windows property to the frame window */
1671 SetPropA( hwndFrame, "PROP_OLEMenuDescriptor", hOleMenu );
1672
1673 /* Install thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC */
1674 if ( !OLEMenu_InstallHooks( GetCurrentThreadId() ) )
1675 return E_FAIL;
1676 }
1677 else /* Want to uninstall dispatching code */
1678 {
1679 /* Uninstall the hooks */
1680 if ( !OLEMenu_UnInstallHooks( GetCurrentThreadId() ) )
1681 return E_FAIL;
1682
1683 /* Remove the menu descriptor property from the frame window */
1684 RemovePropA( hwndFrame, "PROP_OLEMenuDescriptor" );
1685 }
1686
1687 return S_OK;
1688 }
1689
1690 /******************************************************************************
1691 * IsAccelerator [OLE32.@]
1692 * Mostly copied from controls/menu.c TranslateAccelerator implementation
1693 */
1694 BOOL WINAPI IsAccelerator(HACCEL hAccel, int cAccelEntries, LPMSG lpMsg, WORD* lpwCmd)
1695 {
1696 LPACCEL lpAccelTbl;
1697 int i;
1698
1699 if(!lpMsg) return FALSE;
1700 if (!hAccel)
1701 {
1702 WARN_(accel)("NULL accel handle\n");
1703 return FALSE;
1704 }
1705 if((lpMsg->message != WM_KEYDOWN &&
1706 lpMsg->message != WM_SYSKEYDOWN &&
1707 lpMsg->message != WM_SYSCHAR &&
1708 lpMsg->message != WM_CHAR)) return FALSE;
1709 lpAccelTbl = HeapAlloc(GetProcessHeap(), 0, cAccelEntries * sizeof(ACCEL));
1710 if (NULL == lpAccelTbl)
1711 {
1712 return FALSE;
1713 }
1714 if (CopyAcceleratorTableW(hAccel, lpAccelTbl, cAccelEntries) != cAccelEntries)
1715 {
1716 WARN_(accel)("CopyAcceleratorTableW failed\n");
1717 HeapFree(GetProcessHeap(), 0, lpAccelTbl);
1718 return FALSE;
1719 }
1720
1721 TRACE_(accel)("hAccel=%p, cAccelEntries=%d,"
1722 "msg->hwnd=%p, msg->message=%04x, wParam=%08lx, lParam=%08lx\n",
1723 hAccel, cAccelEntries,
1724 lpMsg->hwnd, lpMsg->message, lpMsg->wParam, lpMsg->lParam);
1725 for(i = 0; i < cAccelEntries; i++)
1726 {
1727 if(lpAccelTbl[i].key != lpMsg->wParam)
1728 continue;
1729
1730 if(lpMsg->message == WM_CHAR)
1731 {
1732 if(!(lpAccelTbl[i].fVirt & FALT) && !(lpAccelTbl[i].fVirt & FVIRTKEY))
1733 {
1734 TRACE_(accel)("found accel for WM_CHAR: ('%c')\n", LOWORD(lpMsg->wParam) & 0xff);
1735 goto found;
1736 }
1737 }
1738 else
1739 {
1740 if(lpAccelTbl[i].fVirt & FVIRTKEY)
1741 {
1742 INT mask = 0;
1743 TRACE_(accel)("found accel for virt_key %04lx (scan %04x)\n",
1744 lpMsg->wParam, HIWORD(lpMsg->lParam) & 0xff);
1745 if(GetKeyState(VK_SHIFT) & 0x8000) mask |= FSHIFT;
1746 if(GetKeyState(VK_CONTROL) & 0x8000) mask |= FCONTROL;
1747 if(GetKeyState(VK_MENU) & 0x8000) mask |= FALT;
1748 if(mask == (lpAccelTbl[i].fVirt & (FSHIFT | FCONTROL | FALT))) goto found;
1749 TRACE_(accel)("incorrect SHIFT/CTRL/ALT-state\n");
1750 }
1751 else
1752 {
1753 if(!(lpMsg->lParam & 0x01000000)) /* no special_key */
1754 {
1755 if((lpAccelTbl[i].fVirt & FALT) && (lpMsg->lParam & 0x20000000))
1756 { /* ^^ ALT pressed */
1757 TRACE_(accel)("found accel for Alt-%c\n", LOWORD(lpMsg->wParam) & 0xff);
1758 goto found;
1759 }
1760 }
1761 }
1762 }
1763 }
1764
1765 WARN_(accel)("couldn't translate accelerator key\n");
1766 HeapFree(GetProcessHeap(), 0, lpAccelTbl);
1767 return FALSE;
1768
1769 found:
1770 if(lpwCmd) *lpwCmd = lpAccelTbl[i].cmd;
1771 HeapFree(GetProcessHeap(), 0, lpAccelTbl);
1772 return TRUE;
1773 }
1774
1775 /***********************************************************************
1776 * ReleaseStgMedium [OLE32.@]
1777 */
1778 void WINAPI ReleaseStgMedium(
1779 STGMEDIUM* pmedium)
1780 {
1781 switch (pmedium->tymed)
1782 {
1783 case TYMED_HGLOBAL:
1784 {
1785 if ( (pmedium->pUnkForRelease==0) &&
1786 (pmedium->u.hGlobal!=0) )
1787 GlobalFree(pmedium->u.hGlobal);
1788 break;
1789 }
1790 case TYMED_FILE:
1791 {
1792 if (pmedium->u.lpszFileName!=0)
1793 {
1794 if (pmedium->pUnkForRelease==0)
1795 {
1796 DeleteFileW(pmedium->u.lpszFileName);
1797 }
1798
1799 CoTaskMemFree(pmedium->u.lpszFileName);
1800 }
1801 break;
1802 }
1803 case TYMED_ISTREAM:
1804 {
1805 if (pmedium->u.pstm!=0)
1806 {
1807 IStream_Release(pmedium->u.pstm);
1808 }
1809 break;
1810 }
1811 case TYMED_ISTORAGE:
1812 {
1813 if (pmedium->u.pstg!=0)
1814 {
1815 IStorage_Release(pmedium->u.pstg);
1816 }
1817 break;
1818 }
1819 case TYMED_GDI:
1820 {
1821 if ( (pmedium->pUnkForRelease==0) &&
1822 (pmedium->u.hBitmap!=0) )
1823 DeleteObject(pmedium->u.hBitmap);
1824 break;
1825 }
1826 case TYMED_MFPICT:
1827 {
1828 if ( (pmedium->pUnkForRelease==0) &&
1829 (pmedium->u.hMetaFilePict!=0) )
1830 {
1831 LPMETAFILEPICT pMP = GlobalLock(pmedium->u.hMetaFilePict);
1832 DeleteMetaFile(pMP->hMF);
1833 GlobalUnlock(pmedium->u.hMetaFilePict);
1834 GlobalFree(pmedium->u.hMetaFilePict);
1835 }
1836 break;
1837 }
1838 case TYMED_ENHMF:
1839 {
1840 if ( (pmedium->pUnkForRelease==0) &&
1841 (pmedium->u.hEnhMetaFile!=0) )
1842 {
1843 DeleteEnhMetaFile(pmedium->u.hEnhMetaFile);
1844 }
1845 break;
1846 }
1847 case TYMED_NULL:
1848 default:
1849 break;
1850 }
1851 pmedium->tymed=TYMED_NULL;
1852
1853 /*
1854 * After cleaning up, the unknown is released
1855 */
1856 if (pmedium->pUnkForRelease!=0)
1857 {
1858 IUnknown_Release(pmedium->pUnkForRelease);
1859 pmedium->pUnkForRelease = 0;
1860 }
1861 }
1862
1863 /***
1864 * OLEDD_Initialize()
1865 *
1866 * Initializes the OLE drag and drop data structures.
1867 */
1868 static void OLEDD_Initialize(void)
1869 {
1870 WNDCLASSA wndClass;
1871
1872 ZeroMemory (&wndClass, sizeof(WNDCLASSA));
1873 wndClass.style = CS_GLOBALCLASS;
1874 wndClass.lpfnWndProc = OLEDD_DragTrackerWindowProc;
1875 wndClass.cbClsExtra = 0;
1876 wndClass.cbWndExtra = sizeof(TrackerWindowInfo*);
1877 wndClass.hCursor = 0;
1878 wndClass.hbrBackground = 0;
1879 wndClass.lpszClassName = OLEDD_DRAGTRACKERCLASS;
1880
1881 RegisterClassA (&wndClass);
1882 }
1883
1884 /***
1885 * OLEDD_FreeDropTarget()
1886 *
1887 * Frees the drag and drop data structure
1888 */
1889 static void OLEDD_FreeDropTarget(DropTargetNode *dropTargetInfo, BOOL release_drop_target)
1890 {
1891 list_remove(&dropTargetInfo->entry);
1892 if (release_drop_target) IDropTarget_Release(dropTargetInfo->dropTarget);
1893 HeapFree(GetProcessHeap(), 0, dropTargetInfo);
1894 }
1895
1896 /***
1897 * OLEDD_UnInitialize()
1898 *
1899 * Releases the OLE drag and drop data structures.
1900 */
1901 void OLEDD_UnInitialize(void)
1902 {
1903 /*
1904 * Simply empty the list.
1905 */
1906 while (!list_empty(&targetListHead))
1907 {
1908 DropTargetNode* curNode = LIST_ENTRY(list_head(&targetListHead), DropTargetNode, entry);
1909 OLEDD_FreeDropTarget(curNode, FALSE);
1910 }
1911 }
1912
1913 /***
1914 * OLEDD_FindDropTarget()
1915 *
1916 * Finds information about the drop target.
1917 */
1918 static DropTargetNode* OLEDD_FindDropTarget(HWND hwndOfTarget)
1919 {
1920 DropTargetNode* curNode;
1921
1922 /*
1923 * Iterate the list to find the HWND value.
1924 */
1925 LIST_FOR_EACH_ENTRY(curNode, &targetListHead, DropTargetNode, entry)
1926 if (hwndOfTarget==curNode->hwndTarget)
1927 return curNode;
1928
1929 /*
1930 * If we get here, the item is not in the list
1931 */
1932 return NULL;
1933 }
1934
1935 /***
1936 * OLEDD_DragTrackerWindowProc()
1937 *
1938 * This method is the WindowProcedure of the drag n drop tracking
1939 * window. During a drag n Drop operation, an invisible window is created
1940 * to receive the user input and act upon it. This procedure is in charge
1941 * of this behavior.
1942 */
1943
1944 #define DRAG_TIMER_ID 1
1945
1946 static LRESULT WINAPI OLEDD_DragTrackerWindowProc(
1947 HWND hwnd,
1948 UINT uMsg,
1949 WPARAM wParam,
1950 LPARAM lParam)
1951 {
1952 switch (uMsg)
1953 {
1954 case WM_CREATE:
1955 {
1956 LPCREATESTRUCTA createStruct = (LPCREATESTRUCTA)lParam;
1957
1958 SetWindowLongPtrA(hwnd, 0, (LONG_PTR)createStruct->lpCreateParams);
1959 SetTimer(hwnd, DRAG_TIMER_ID, 50, NULL);
1960
1961 break;
1962 }
1963 case WM_TIMER:
1964 case WM_MOUSEMOVE:
1965 {
1966 OLEDD_TrackMouseMove((TrackerWindowInfo*)GetWindowLongPtrA(hwnd, 0));
1967 break;
1968 }
1969 case WM_LBUTTONUP:
1970 case WM_MBUTTONUP:
1971 case WM_RBUTTONUP:
1972 case WM_LBUTTONDOWN:
1973 case WM_MBUTTONDOWN:
1974 case WM_RBUTTONDOWN:
1975 {
1976 OLEDD_TrackStateChange((TrackerWindowInfo*)GetWindowLongPtrA(hwnd, 0));
1977 break;
1978 }
1979 case WM_DESTROY:
1980 {
1981 KillTimer(hwnd, DRAG_TIMER_ID);
1982 break;
1983 }
1984 }
1985
1986 /*
1987 * This is a window proc after all. Let's call the default.
1988 */
1989 return DefWindowProcA (hwnd, uMsg, wParam, lParam);
1990 }
1991
1992 /***
1993 * OLEDD_TrackMouseMove()
1994 *
1995 * This method is invoked while a drag and drop operation is in effect.
1996 * it will generate the appropriate callbacks in the drop source
1997 * and drop target. It will also provide the expected feedback to
1998 * the user.
1999 *
2000 * params:
2001 * trackerInfo - Pointer to the structure identifying the
2002 * drag & drop operation that is currently
2003 * active.
2004 */
2005 static void OLEDD_TrackMouseMove(TrackerWindowInfo* trackerInfo)
2006 {
2007 HWND hwndNewTarget = 0;
2008 HRESULT hr = S_OK;
2009 POINT pt;
2010
2011 /*
2012 * Get the handle of the window under the mouse
2013 */
2014 pt.x = trackerInfo->curMousePos.x;
2015 pt.y = trackerInfo->curMousePos.y;
2016 hwndNewTarget = WindowFromPoint(pt);
2017
2018 /*
2019 * Every time, we re-initialize the effects passed to the
2020 * IDropTarget to the effects allowed by the source.
2021 */
2022 *trackerInfo->pdwEffect = trackerInfo->dwOKEffect;
2023
2024 /*
2025 * If we are hovering over the same target as before, send the
2026 * DragOver notification
2027 */
2028 if ( (trackerInfo->curDragTarget != 0) &&
2029 (trackerInfo->curTargetHWND == hwndNewTarget) )
2030 {
2031 IDropTarget_DragOver(trackerInfo->curDragTarget,
2032 trackerInfo->dwKeyState,
2033 trackerInfo->curMousePos,
2034 trackerInfo->pdwEffect);
2035 }
2036 else
2037 {
2038 DropTargetNode* newDropTargetNode = 0;
2039
2040 /*
2041 * If we changed window, we have to notify our old target and check for
2042 * the new one.
2043 */
2044 if (trackerInfo->curDragTarget!=0)
2045 {
2046 IDropTarget_DragLeave(trackerInfo->curDragTarget);
2047 }
2048
2049 /*
2050 * Make sure we're hovering over a window.
2051 */
2052 if (hwndNewTarget!=0)
2053 {
2054 /*
2055 * Find-out if there is a drag target under the mouse
2056 */
2057 HWND nexttar = hwndNewTarget;
2058 trackerInfo->curTargetHWND = hwndNewTarget;
2059
2060 do {
2061 newDropTargetNode = OLEDD_FindDropTarget(nexttar);
2062 } while (!newDropTargetNode && (nexttar = GetParent(nexttar)) != 0);
2063 if(nexttar) hwndNewTarget = nexttar;
2064
2065 trackerInfo->curDragTargetHWND = hwndNewTarget;
2066 trackerInfo->curDragTarget = newDropTargetNode ? newDropTargetNode->dropTarget : 0;
2067
2068 /*
2069 * If there is, notify it that we just dragged-in
2070 */
2071 if (trackerInfo->curDragTarget!=0)
2072 {
2073 IDropTarget_DragEnter(trackerInfo->curDragTarget,
2074 trackerInfo->dataObject,
2075 trackerInfo->dwKeyState,
2076 trackerInfo->curMousePos,
2077 trackerInfo->pdwEffect);
2078 }
2079 }
2080 else
2081 {
2082 /*
2083 * The mouse is not over a window so we don't track anything.
2084 */
2085 trackerInfo->curDragTargetHWND = 0;
2086 trackerInfo->curTargetHWND = 0;
2087 trackerInfo->curDragTarget = 0;
2088 }
2089 }
2090
2091 /*
2092 * Now that we have done that, we have to tell the source to give
2093 * us feedback on the work being done by the target. If we don't
2094 * have a target, simulate no effect.
2095 */
2096 if (trackerInfo->curDragTarget==0)
2097 {
2098 *trackerInfo->pdwEffect = DROPEFFECT_NONE;
2099 }
2100
2101 hr = IDropSource_GiveFeedback(trackerInfo->dropSource,
2102 *trackerInfo->pdwEffect);
2103
2104 /*
2105 * When we ask for feedback from the drop source, sometimes it will
2106 * do all the necessary work and sometimes it will not handle it
2107 * when that's the case, we must display the standard drag and drop
2108 * cursors.
2109 */
2110 if (hr==DRAGDROP_S_USEDEFAULTCURSORS)
2111 {
2112 if (*trackerInfo->pdwEffect & DROPEFFECT_MOVE)
2113 {
2114 SetCursor(LoadCursorA(hProxyDll, MAKEINTRESOURCEA(1)));
2115 }
2116 else if (*trackerInfo->pdwEffect & DROPEFFECT_COPY)
2117 {
2118 SetCursor(LoadCursorA(hProxyDll, MAKEINTRESOURCEA(2)));
2119 }
2120 else if (*trackerInfo->pdwEffect & DROPEFFECT_LINK)
2121 {
2122 SetCursor(LoadCursorA(hProxyDll, MAKEINTRESOURCEA(3)));
2123 }
2124 else
2125 {
2126 SetCursor(LoadCursorA(hProxyDll, MAKEINTRESOURCEA(0)));
2127 }
2128 }
2129 }
2130
2131 /***
2132 * OLEDD_TrackStateChange()
2133 *
2134 * This method is invoked while a drag and drop operation is in effect.
2135 * It is used to notify the drop target/drop source callbacks when
2136 * the state of the keyboard or mouse button change.
2137 *
2138 * params:
2139 * trackerInfo - Pointer to the structure identifying the
2140 * drag & drop operation that is currently
2141 * active.
2142 */
2143 static void OLEDD_TrackStateChange(TrackerWindowInfo* trackerInfo)
2144 {
2145 /*
2146 * Ask the drop source what to do with the operation.
2147 */
2148 trackerInfo->returnValue = IDropSource_QueryContinueDrag(
2149 trackerInfo->dropSource,
2150 trackerInfo->escPressed,
2151 trackerInfo->dwKeyState);
2152
2153 /*
2154 * All the return valued will stop the operation except the S_OK
2155 * return value.
2156 */
2157 if (trackerInfo->returnValue!=S_OK)
2158 {
2159 /*
2160 * Make sure the message loop in DoDragDrop stops
2161 */
2162 trackerInfo->trackingDone = TRUE;
2163
2164 /*
2165 * Release the mouse in case the drop target decides to show a popup
2166 * or a menu or something.
2167 */
2168 ReleaseCapture();
2169
2170 /*
2171 * If we end-up over a target, drop the object in the target or
2172 * inform the target that the operation was cancelled.
2173 */
2174 if (trackerInfo->curDragTarget!=0)
2175 {
2176 switch (trackerInfo->returnValue)
2177 {
2178 /*
2179 * If the source wants us to complete the operation, we tell
2180 * the drop target that we just dropped the object in it.
2181 */
2182 case DRAGDROP_S_DROP:
2183 {
2184 IDropTarget_Drop(trackerInfo->curDragTarget,
2185 trackerInfo->dataObject,
2186 trackerInfo->dwKeyState,
2187 trackerInfo->curMousePos,
2188 trackerInfo->pdwEffect);
2189 break;
2190 }
2191 /*
2192 * If the source told us that we should cancel, fool the drop
2193 * target by telling it that the mouse left it's window.
2194 * Also set the drop effect to "NONE" in case the application
2195 * ignores the result of DoDragDrop.
2196 */
2197 case DRAGDROP_S_CANCEL:
2198 IDropTarget_DragLeave(trackerInfo->curDragTarget);
2199 *trackerInfo->pdwEffect = DROPEFFECT_NONE;
2200 break;
2201 }
2202 }
2203 }
2204 }
2205
2206 /***
2207 * OLEDD_GetButtonState()
2208 *
2209 * This method will use the current state of the keyboard to build
2210 * a button state mask equivalent to the one passed in the
2211 * WM_MOUSEMOVE wParam.
2212 */
2213 static DWORD OLEDD_GetButtonState(void)
2214 {
2215 BYTE keyboardState[256];
2216 DWORD keyMask = 0;
2217
2218 GetKeyboardState(keyboardState);
2219
2220 if ( (keyboardState[VK_SHIFT] & 0x80) !=0)
2221 keyMask |= MK_SHIFT;
2222
2223 if ( (keyboardState[VK_CONTROL] & 0x80) !=0)
2224 keyMask |= MK_CONTROL;
2225
2226 if ( (keyboardState[VK_LBUTTON] & 0x80) !=0)
2227 keyMask |= MK_LBUTTON;
2228
2229 if ( (keyboardState[VK_RBUTTON] & 0x80) !=0)
2230 keyMask |= MK_RBUTTON;
2231
2232 if ( (keyboardState[VK_MBUTTON] & 0x80) !=0)
2233 keyMask |= MK_MBUTTON;
2234
2235 return keyMask;
2236 }
2237
2238 /***
2239 * OLEDD_GetButtonState()
2240 *
2241 * This method will read the default value of the registry key in
2242 * parameter and extract a DWORD value from it. The registry key value
2243 * can be in a string key or a DWORD key.
2244 *
2245 * params:
2246 * regKey - Key to read the default value from
2247 * pdwValue - Pointer to the location where the DWORD
2248 * value is returned. This value is not modified
2249 * if the value is not found.
2250 */
2251
2252 static void OLEUTL_ReadRegistryDWORDValue(
2253 HKEY regKey,
2254 DWORD* pdwValue)
2255 {
2256 char buffer[20];
2257 DWORD dwKeyType;
2258 DWORD cbData = 20;
2259 LONG lres;
2260
2261 lres = RegQueryValueExA(regKey,
2262 "",
2263 NULL,
2264 &dwKeyType,
2265 (LPBYTE)buffer,
2266 &cbData);
2267
2268 if (lres==ERROR_SUCCESS)
2269 {
2270 switch (dwKeyType)
2271 {
2272 case REG_DWORD:
2273 *pdwValue = *(DWORD*)buffer;
2274 break;
2275 case REG_EXPAND_SZ:
2276 case REG_MULTI_SZ:
2277 case REG_SZ:
2278 *pdwValue = (DWORD)strtoul(buffer, NULL, 10);
2279 break;
2280 }
2281 }
2282 }
2283
2284 /******************************************************************************
2285 * OleDraw (OLE32.@)
2286 *
2287 * The operation of this function is documented literally in the WinAPI
2288 * documentation to involve a QueryInterface for the IViewObject interface,
2289 * followed by a call to IViewObject::Draw.
2290 */
2291 HRESULT WINAPI OleDraw(
2292 IUnknown *pUnk,
2293 DWORD dwAspect,
2294 HDC hdcDraw,
2295 LPCRECT lprcBounds)
2296 {
2297 HRESULT hres;
2298 IViewObject *viewobject;
2299
2300 hres = IUnknown_QueryInterface(pUnk,
2301 &IID_IViewObject,
2302 (void**)&viewobject);
2303
2304 if (SUCCEEDED(hres))
2305 {
2306 RECTL rectl;
2307
2308 rectl.left = lprcBounds->left;
2309 rectl.right = lprcBounds->right;
2310 rectl.top = lprcBounds->top;
2311 rectl.bottom = lprcBounds->bottom;
2312 hres = IViewObject_Draw(viewobject, dwAspect, -1, 0, 0, 0, hdcDraw, &rectl, 0, 0, 0);
2313
2314 IViewObject_Release(viewobject);
2315 return hres;
2316 }
2317 else
2318 {
2319 return DV_E_NOIVIEWOBJECT;
2320 }
2321 }
2322
2323 /***********************************************************************
2324 * OleTranslateAccelerator [OLE32.@]
2325 */
2326 HRESULT WINAPI OleTranslateAccelerator (LPOLEINPLACEFRAME lpFrame,
2327 LPOLEINPLACEFRAMEINFO lpFrameInfo, LPMSG lpmsg)
2328 {
2329 WORD wID;
2330
2331 TRACE("(%p,%p,%p)\n", lpFrame, lpFrameInfo, lpmsg);
2332
2333 if (IsAccelerator(lpFrameInfo->haccel,lpFrameInfo->cAccelEntries,lpmsg,&wID))
2334 return IOleInPlaceFrame_TranslateAccelerator(lpFrame,lpmsg,wID);
2335
2336 return S_FALSE;
2337 }
2338
2339 /******************************************************************************
2340 * OleCreate [OLE32.@]
2341 *
2342 */
2343 HRESULT WINAPI OleCreate(
2344 REFCLSID rclsid,
2345 REFIID riid,
2346 DWORD renderopt,
2347 LPFORMATETC pFormatEtc,
2348 LPOLECLIENTSITE pClientSite,
2349 LPSTORAGE pStg,
2350 LPVOID* ppvObj)
2351 {
2352 HRESULT hres;
2353 IUnknown * pUnk = NULL;
2354 IOleObject *pOleObject = NULL;
2355
2356 TRACE("(%s, %s, %d, %p, %p, %p, %p)\n", debugstr_guid(rclsid),
2357 debugstr_guid(riid), renderopt, pFormatEtc, pClientSite, pStg, ppvObj);
2358
2359 hres = CoCreateInstance(rclsid, 0, CLSCTX_INPROC_SERVER|CLSCTX_INPROC_HANDLER, riid, (LPVOID*)&pUnk);
2360
2361 if (SUCCEEDED(hres))
2362 hres = IStorage_SetClass(pStg, rclsid);
2363
2364 if (pClientSite && SUCCEEDED(hres))
2365 {
2366 hres = IUnknown_QueryInterface(pUnk, &IID_IOleObject, (LPVOID*)&pOleObject);
2367 if (SUCCEEDED(hres))
2368 {
2369 DWORD dwStatus;
2370 hres = IOleObject_GetMiscStatus(pOleObject, DVASPECT_CONTENT, &dwStatus);
2371 }
2372 }
2373
2374 if (SUCCEEDED(hres))
2375 {
2376 IPersistStorage * pPS;
2377 if (SUCCEEDED((hres = IUnknown_QueryInterface(pUnk, &IID_IPersistStorage, (LPVOID*)&pPS))))
2378 {
2379 TRACE("trying to set stg %p\n", pStg);
2380 hres = IPersistStorage_InitNew(pPS, pStg);
2381 TRACE("-- result 0x%08x\n", hres);
2382 IPersistStorage_Release(pPS);
2383 }
2384 }
2385
2386 if (pClientSite && SUCCEEDED(hres))
2387 {
2388 TRACE("trying to set clientsite %p\n", pClientSite);
2389 hres = IOleObject_SetClientSite(pOleObject, pClientSite);
2390 TRACE("-- result 0x%08x\n", hres);
2391 }
2392
2393 if (pOleObject)
2394 IOleObject_Release(pOleObject);
2395
2396 if (((renderopt == OLERENDER_DRAW) || (renderopt == OLERENDER_FORMAT)) &&
2397 SUCCEEDED(hres))
2398 {
2399 IRunnableObject *pRunnable;
2400 IOleCache *pOleCache;
2401 HRESULT hres2;
2402
2403 hres2 = IUnknown_QueryInterface(pUnk, &IID_IRunnableObject, (void **)&pRunnable);
2404 if (SUCCEEDED(hres2))
2405 {
2406 hres = IRunnableObject_Run(pRunnable, NULL);
2407 IRunnableObject_Release(pRunnable);
2408 }
2409
2410 if (SUCCEEDED(hres))
2411 {
2412 hres2 = IUnknown_QueryInterface(pUnk, &IID_IOleCache, (void **)&pOleCache);
2413 if (SUCCEEDED(hres2))
2414 {
2415 DWORD dwConnection;
2416 hres = IOleCache_Cache(pOleCache, pFormatEtc, ADVF_PRIMEFIRST, &dwConnection);
2417 IOleCache_Release(pOleCache);
2418 }
2419 }
2420 }
2421
2422 if (FAILED(hres) && pUnk)
2423 {
2424 IUnknown_Release(pUnk);
2425 pUnk = NULL;
2426 }
2427
2428 *ppvObj = pUnk;
2429
2430 TRACE("-- %p\n", pUnk);
2431 return hres;
2432 }
2433
2434 /******************************************************************************
2435 * OleGetAutoConvert [OLE32.@]
2436 */
2437 HRESULT WINAPI OleGetAutoConvert(REFCLSID clsidOld, LPCLSID pClsidNew)
2438 {
2439 static const WCHAR wszAutoConvertTo[] = {'A','u','t','o','C','o','n','v','e','r','t','T','o',0};
2440 HKEY hkey = NULL;
2441 WCHAR buf[CHARS_IN_GUID];
2442 LONG len;
2443 HRESULT res = S_OK;
2444
2445 res = COM_OpenKeyForCLSID(clsidOld, wszAutoConvertTo, KEY_READ, &hkey);
2446 if (FAILED(res))
2447 goto done;
2448
2449 len = sizeof(buf);
2450 if (RegQueryValueW(hkey, NULL, buf, &len))
2451 {
2452 res = REGDB_E_KEYMISSING;
2453 goto done;
2454 }
2455 res = CLSIDFromString(buf, pClsidNew);
2456 done:
2457 if (hkey) RegCloseKey(hkey);
2458 return res;
2459 }
2460
2461 /******************************************************************************
2462 * OleSetAutoConvert [OLE32.@]
2463 */
2464 HRESULT WINAPI OleSetAutoConvert(REFCLSID clsidOld, REFCLSID clsidNew)
2465 {
2466 static const WCHAR wszAutoConvertTo[] = {'A','u','t','o','C','o','n','v','e','r','t','T','o',0};
2467 HKEY hkey = NULL;
2468 WCHAR szClsidNew[CHARS_IN_GUID];
2469 HRESULT res = S_OK;
2470
2471 TRACE("(%s,%s)\n", debugstr_guid(clsidOld), debugstr_guid(clsidNew));
2472
2473 res = COM_OpenKeyForCLSID(clsidOld, NULL, KEY_READ | KEY_WRITE, &hkey);
2474 if (FAILED(res))
2475 goto done;
2476 StringFromGUID2(clsidNew, szClsidNew, CHARS_IN_GUID);
2477 if (RegSetValueW(hkey, wszAutoConvertTo, REG_SZ, szClsidNew, (strlenW(szClsidNew)+1) * sizeof(WCHAR)))
2478 {
2479 res = REGDB_E_WRITEREGDB;
2480 goto done;
2481 }
2482
2483 done:
2484 if (hkey) RegCloseKey(hkey);
2485 return res;
2486 }
2487
2488 /******************************************************************************
2489 * OleDoAutoConvert [OLE32.@]
2490 */
2491 HRESULT WINAPI OleDoAutoConvert(LPSTORAGE pStg, LPCLSID pClsidNew)
2492 {
2493 FIXME("(%p,%p) : stub\n",pStg,pClsidNew);
2494 return E_NOTIMPL;
2495 }
2496
2497 /******************************************************************************
2498 * OleIsRunning [OLE32.@]
2499 */
2500 BOOL WINAPI OleIsRunning(LPOLEOBJECT pObject)
2501 {
2502 IRunnableObject *pRunnable;
2503 HRESULT hr;
2504 BOOL running;
2505
2506 TRACE("(%p)\n", pObject);
2507
2508 hr = IOleObject_QueryInterface(pObject, &IID_IRunnableObject, (void **)&pRunnable);
2509 if (FAILED(hr))
2510 return TRUE;
2511 running = IRunnableObject_IsRunning(pRunnable);
2512 IRunnableObject_Release(pRunnable);
2513 return running;
2514 }
2515
2516 /***********************************************************************
2517 * OleNoteObjectVisible [OLE32.@]
2518 */
2519 HRESULT WINAPI OleNoteObjectVisible(LPUNKNOWN pUnknown, BOOL bVisible)
2520 {
2521 TRACE("(%p, %s)\n", pUnknown, bVisible ? "TRUE" : "FALSE");
2522 return CoLockObjectExternal(pUnknown, bVisible, TRUE);
2523 }
2524
2525
2526 /***********************************************************************
2527 * OLE_FreeClipDataArray [internal]
2528 *
2529 * NOTES:
2530 * frees the data associated with an array of CLIPDATAs
2531 */
2532 static void OLE_FreeClipDataArray(ULONG count, CLIPDATA * pClipDataArray)
2533 {
2534 ULONG i;
2535 for (i = 0; i < count; i++)
2536 if (pClipDataArray[i].pClipData)
2537 CoTaskMemFree(pClipDataArray[i].pClipData);
2538 }
2539
2540 /***********************************************************************
2541 * PropSysAllocString [OLE32.@]
2542 * NOTES:
2543 * Basically a copy of SysAllocStringLen.
2544 */
2545 BSTR WINAPI PropSysAllocString(LPCOLESTR str)
2546 {
2547 DWORD bufferSize;
2548 DWORD* newBuffer;
2549 WCHAR* stringBuffer;
2550 int len;
2551
2552 if (!str) return 0;
2553
2554 len = lstrlenW(str);
2555 /*
2556 * Find the length of the buffer passed-in, in bytes.
2557 */
2558 bufferSize = len * sizeof (WCHAR);
2559
2560 /*
2561 * Allocate a new buffer to hold the string.
2562 * Don't forget to keep an empty spot at the beginning of the
2563 * buffer for the character count and an extra character at the
2564 * end for the NULL.
2565 */
2566 newBuffer = HeapAlloc(GetProcessHeap(), 0,
2567 bufferSize + sizeof(WCHAR) + sizeof(DWORD));
2568
2569 /*
2570 * If the memory allocation failed, return a null pointer.
2571 */
2572 if (newBuffer==0)
2573 return 0;
2574
2575 /*
2576 * Copy the length of the string in the placeholder.
2577 */
2578 *newBuffer = bufferSize;
2579
2580 /*
2581 * Skip the byte count.
2582 */
2583 newBuffer++;
2584
2585 memcpy(newBuffer, str, bufferSize);
2586
2587 /*
2588 * Make sure that there is a nul character at the end of the
2589 * string.
2590 */
2591 stringBuffer = (WCHAR*)newBuffer;
2592 stringBuffer[len] = '\0';
2593
2594 return stringBuffer;
2595 }
2596
2597 /***********************************************************************
2598 * PropSysFreeString [OLE32.@]
2599 * NOTES
2600 * Copy of SysFreeString.
2601 */
2602 void WINAPI PropSysFreeString(LPOLESTR str)
2603 {
2604 DWORD* bufferPointer;
2605
2606 /* NULL is a valid parameter */
2607 if(!str) return;
2608
2609 /*
2610 * We have to be careful when we free a BSTR pointer, it points to
2611 * the beginning of the string but it skips the byte count contained
2612 * before the string.
2613 */
2614 bufferPointer = (DWORD*)str;
2615
2616 bufferPointer--;
2617
2618 /*
2619 * Free the memory from its "real" origin.
2620 */
2621 HeapFree(GetProcessHeap(), 0, bufferPointer);
2622 }
2623
2624 /******************************************************************************
2625 * Check if a PROPVARIANT's type is valid.
2626 */
2627 static inline HRESULT PROPVARIANT_ValidateType(VARTYPE vt)
2628 {
2629 switch (vt)
2630 {
2631 case VT_EMPTY:
2632 case VT_NULL:
2633 case VT_I2:
2634 case VT_I4:
2635 case VT_R4:
2636 case VT_R8:
2637 case VT_CY:
2638 case VT_DATE:
2639 case VT_BSTR:
2640 case VT_ERROR:
2641 case VT_BOOL:
2642 case VT_DECIMAL:
2643 case VT_UI1:
2644 case VT_UI2:
2645 case VT_UI4:
2646 case VT_I8:
2647 case VT_UI8:
2648 case VT_LPSTR:
2649 case VT_LPWSTR:
2650 case VT_FILETIME:
2651 case VT_BLOB:
2652 case VT_STREAM:
2653 case VT_STORAGE:
2654 case VT_STREAMED_OBJECT:
2655 case VT_STORED_OBJECT:
2656 case VT_BLOB_OBJECT:
2657 case VT_CF:
2658 case VT_CLSID:
2659 case VT_I2|VT_VECTOR:
2660 case VT_I4|VT_VECTOR:
2661 case VT_R4|VT_VECTOR:
2662 case VT_R8|VT_VECTOR:
2663 case VT_CY|VT_VECTOR:
2664 case VT_DATE|VT_VECTOR:
2665 case VT_BSTR|VT_VECTOR:
2666 case VT_ERROR|VT_VECTOR:
2667 case VT_BOOL|VT_VECTOR:
2668 case VT_VARIANT|VT_VECTOR:
2669 case VT_UI1|VT_VECTOR:
2670 case VT_UI2|VT_VECTOR:
2671 case VT_UI4|VT_VECTOR:
2672 case VT_I8|VT_VECTOR:
2673 case VT_UI8|VT_VECTOR:
2674 case VT_LPSTR|VT_VECTOR:
2675 case VT_LPWSTR|VT_VECTOR:
2676 case VT_FILETIME|VT_VECTOR:
2677 case VT_CF|VT_VECTOR:
2678 case VT_CLSID|VT_VECTOR:
2679 return S_OK;
2680 }
2681 WARN("Bad type %d\n", vt);
2682 return STG_E_INVALIDPARAMETER;
2683 }
2684
2685 /***********************************************************************
2686 * PropVariantClear [OLE32.@]
2687 */
2688 HRESULT WINAPI PropVariantClear(PROPVARIANT * pvar) /* [in/out] */
2689 {
2690 HRESULT hr;
2691
2692 TRACE("(%p)\n", pvar);
2693
2694 if (!pvar)
2695 return S_OK;
2696
2697 hr = PROPVARIANT_ValidateType(pvar->vt);
2698 if (FAILED(hr))
2699 return hr;
2700
2701 switch(pvar->vt)
2702 {
2703 case VT_EMPTY:
2704 case VT_NULL:
2705 case VT_I2:
2706 case VT_I4:
2707 case VT_R4:
2708 case VT_R8:
2709 case VT_CY:
2710 case VT_DATE:
2711 case VT_ERROR:
2712 case VT_BOOL:
2713 case VT_DECIMAL:
2714 case VT_UI1:
2715 case VT_UI2:
2716 case VT_UI4:
2717 case VT_I8:
2718 case VT_UI8:
2719 case VT_FILETIME:
2720 break;
2721 case VT_STREAM:
2722 case VT_STREAMED_OBJECT:
2723 case VT_STORAGE:
2724 case VT_STORED_OBJECT:
2725 if (pvar->u.pStream)
2726 IUnknown_Release(pvar->u.pStream);
2727 break;
2728 case VT_CLSID:
2729 case VT_LPSTR:
2730 case VT_LPWSTR:
2731 /* pick an arbitrary typed pointer - we don't care about the type
2732 * as we are just freeing it */
2733 CoTaskMemFree(pvar->u.puuid);
2734 break;
2735 case VT_BLOB:
2736 case VT_BLOB_OBJECT:
2737 CoTaskMemFree(pvar->u.blob.pBlobData);
2738 break;
2739 case VT_BSTR:
2740 if (pvar->u.bstrVal)
2741 PropSysFreeString(pvar->u.bstrVal);
2742 break;
2743 case VT_CF:
2744 if (pvar->u.pclipdata)
2745 {
2746 OLE_FreeClipDataArray(1, pvar->u.pclipdata);
2747 CoTaskMemFree(pvar->u.pclipdata);
2748 }
2749 break;
2750 default:
2751 if (pvar->vt & VT_VECTOR)
2752 {
2753 ULONG i;
2754
2755 switch (pvar->vt & ~VT_VECTOR)
2756 {
2757 case VT_VARIANT:
2758 FreePropVariantArray(pvar->u.capropvar.cElems, pvar->u.capropvar.pElems);
2759 break;
2760 case VT_CF:
2761 OLE_FreeClipDataArray(pvar->u.caclipdata.cElems, pvar->u.caclipdata.pElems);
2762 break;
2763 case VT_BSTR:
2764 for (i = 0; i < pvar->u.cabstr.cElems; i++)
2765 PropSysFreeString(pvar->u.cabstr.pElems[i]);
2766 break;
2767 case VT_LPSTR:
2768 for (i = 0; i < pvar->u.calpstr.cElems; i++)
2769 CoTaskMemFree(pvar->u.calpstr.pElems[i]);
2770 break;
2771 case VT_LPWSTR:
2772 for (i = 0; i < pvar->u.calpwstr.cElems; i++)
2773 CoTaskMemFree(pvar->u.calpwstr.pElems[i]);
2774 break;
2775 }
2776 if (pvar->vt & ~VT_VECTOR)
2777 {
2778 /* pick an arbitrary VT_VECTOR structure - they all have the same
2779 * memory layout */
2780 CoTaskMemFree(pvar->u.capropvar.pElems);
2781 }
2782 }
2783 else
2784 WARN("Invalid/unsupported type %d\n", pvar->vt);
2785 }
2786
2787 ZeroMemory(pvar, sizeof(*pvar));
2788
2789 return S_OK;
2790 }
2791
2792 /***********************************************************************
2793 * PropVariantCopy [OLE32.@]
2794 */
2795 HRESULT WINAPI PropVariantCopy(PROPVARIANT *pvarDest, /* [out] */
2796 const PROPVARIANT *pvarSrc) /* [in] */
2797 {
2798 ULONG len;
2799 HRESULT hr;
2800
2801 TRACE("(%p, %p vt %04x)\n", pvarDest, pvarSrc, pvarSrc->vt);
2802
2803 hr = PROPVARIANT_ValidateType(pvarSrc->vt);
2804 if (FAILED(hr))
2805 return hr;
2806
2807 /* this will deal with most cases */
2808 *pvarDest = *pvarSrc;
2809
2810 switch(pvarSrc->vt)
2811 {
2812 case VT_EMPTY:
2813 case VT_NULL:
2814 case VT_I1:
2815 case VT_UI1:
2816 case VT_I2:
2817 case VT_UI2:
2818 case VT_BOOL:
2819 case VT_DECIMAL:
2820 case VT_I4:
2821 case VT_UI4:
2822 case VT_R4:
2823 case VT_ERROR:
2824 case VT_I8:
2825 case VT_UI8:
2826 case VT_R8:
2827 case VT_CY:
2828 case VT_DATE:
2829 case VT_FILETIME:
2830 break;
2831 case VT_STREAM:
2832 case VT_STREAMED_OBJECT:
2833 case VT_STORAGE:
2834 case VT_STORED_OBJECT:
2835 IUnknown_AddRef((LPUNKNOWN)pvarDest->u.pStream);
2836 break;
2837 case VT_CLSID:
2838 pvarDest->u.puuid = CoTaskMemAlloc(sizeof(CLSID));
2839 *pvarDest->u.puuid = *pvarSrc->u.puuid;
2840 break;
2841 case VT_LPSTR:
2842 len = strlen(pvarSrc->u.pszVal);
2843 pvarDest->u.pszVal = CoTaskMemAlloc((len+1)*sizeof(CHAR));
2844 CopyMemory(pvarDest->u.pszVal, pvarSrc->u.pszVal, (len+1)*sizeof(CHAR));
2845 break;
2846 case VT_LPWSTR:
2847 len = lstrlenW(pvarSrc->u.pwszVal);
2848 pvarDest->u.pwszVal = CoTaskMemAlloc((len+1)*sizeof(WCHAR));
2849 CopyMemory(pvarDest->u.pwszVal, pvarSrc->u.pwszVal, (len+1)*sizeof(WCHAR));
2850 break;
2851 case VT_BLOB:
2852 case VT_BLOB_OBJECT:
2853 if (pvarSrc->u.blob.pBlobData)
2854 {
2855 len = pvarSrc->u.blob.cbSize;
2856 pvarDest->u.blob.pBlobData = CoTaskMemAlloc(len);
2857 CopyMemory(pvarDest->u.blob.pBlobData, pvarSrc->u.blob.pBlobData, len);
2858 }
2859 break;
2860 case VT_BSTR:
2861 pvarDest->u.bstrVal = PropSysAllocString(pvarSrc->u.bstrVal);
2862 break;
2863 case VT_CF:
2864 if (pvarSrc->u.pclipdata)
2865 {
2866 len = pvarSrc->u.pclipdata->cbSize - sizeof(pvarSrc->u.pclipdata->ulClipFmt);
2867 pvarDest->u.pclipdata = CoTaskMemAlloc(sizeof (CLIPDATA));
2868 pvarDest->u.pclipdata->cbSize = pvarSrc->u.pclipdata->cbSize;
2869 pvarDest->u.pclipdata->ulClipFmt = pvarSrc->u.pclipdata->ulClipFmt;
2870 pvarDest->u.pclipdata->pClipData = CoTaskMemAlloc(len);
2871 CopyMemory(pvarDest->u.pclipdata->pClipData, pvarSrc->u.pclipdata->pClipData, len);
2872 }
2873 break;
2874 default:
2875 if (pvarSrc->vt & VT_VECTOR)
2876 {
2877 int elemSize;
2878 ULONG i;
2879
2880 switch(pvarSrc->vt & ~VT_VECTOR)
2881 {
2882 case VT_I1: elemSize = sizeof(pvarSrc->u.cVal); break;
2883 case VT_UI1: elemSize = sizeof(pvarSrc->u.bVal); break;
2884 case VT_I2: elemSize = sizeof(pvarSrc->u.iVal); break;
2885 case VT_UI2: elemSize = sizeof(pvarSrc->u.uiVal); break;
2886 case VT_BOOL: elemSize = sizeof(pvarSrc->u.boolVal); break;
2887 case VT_I4: elemSize = sizeof(pvarSrc->u.lVal); break;
2888 case VT_UI4: elemSize = sizeof(pvarSrc->u.ulVal); break;
2889 case VT_R4: elemSize = sizeof(pvarSrc->u.fltVal); break;
2890 case VT_R8: elemSize = sizeof(pvarSrc->u.dblVal); break;
2891 case VT_ERROR: elemSize = sizeof(pvarSrc->u.scode); break;
2892 case VT_I8: elemSize = sizeof(pvarSrc->u.hVal); break;
2893 case VT_UI8: elemSize = sizeof(pvarSrc->u.uhVal); break;
2894 case VT_CY: elemSize = sizeof(pvarSrc->u.cyVal); break;
2895 case VT_DATE: elemSize = sizeof(pvarSrc->u.date); break;
2896 case VT_FILETIME: elemSize = sizeof(pvarSrc->u.filetime); break;
2897 case VT_CLSID: elemSize = sizeof(*pvarSrc->u.puuid); break;
2898 case VT_CF: elemSize = sizeof(*pvarSrc->u.pclipdata); break;
2899 case VT_BSTR: elemSize = sizeof(pvarSrc->u.bstrVal); break;
2900 case VT_LPSTR: elemSize = sizeof(pvarSrc->u.pszVal); break;
2901 case VT_LPWSTR: elemSize = sizeof(pvarSrc->u.pwszVal); break;
2902 case VT_VARIANT: elemSize = sizeof(*pvarSrc->u.pvarVal); break;
2903
2904 default:
2905 FIXME("Invalid element type: %ul\n", pvarSrc->vt & ~VT_VECTOR);
2906 return E_INVALIDARG;
2907 }
2908 len = pvarSrc->u.capropvar.cElems;
2909 pvarDest->u.capropvar.pElems = CoTaskMemAlloc(len * elemSize);
2910 if (pvarSrc->vt == (VT_VECTOR | VT_VARIANT))
2911 {
2912 for (i = 0; i < len; i++)
2913 PropVariantCopy(&pvarDest->u.capropvar.pElems[i], &pvarSrc->u.capropvar.pElems[i]);
2914 }
2915 else if (pvarSrc->vt == (VT_VECTOR | VT_CF))
2916 {
2917 FIXME("Copy clipformats\n");
2918 }
2919 else if (pvarSrc->vt == (VT_VECTOR | VT_BSTR))
2920 {
2921 for (i = 0; i < len; i++)
2922 pvarDest->u.cabstr.pElems[i] = PropSysAllocString(pvarSrc->u.cabstr.pElems[i]);
2923 }
2924 else if (pvarSrc->vt == (VT_VECTOR | VT_LPSTR))
2925 {
2926 size_t strLen;
2927 for (i = 0; i < len; i++)
2928 {
2929 strLen = lstrlenA(pvarSrc->u.calpstr.pElems[i]) + 1;
2930 pvarDest->u.calpstr.pElems[i] = CoTaskMemAlloc(strLen);
2931 memcpy(pvarDest->u.calpstr.pElems[i],
2932 pvarSrc->u.calpstr.pElems[i], strLen);
2933 }
2934 }
2935 else if (pvarSrc->vt == (VT_VECTOR | VT_LPWSTR))
2936 {
2937 size_t strLen;
2938 for (i = 0; i < len; i++)
2939 {
2940 strLen = (lstrlenW(pvarSrc->u.calpwstr.pElems[i]) + 1) *
2941 sizeof(WCHAR);
2942 pvarDest->u.calpstr.pElems[i] = CoTaskMemAlloc(strLen);
2943 memcpy(pvarDest->u.calpstr.pElems[i],
2944 pvarSrc->u.calpstr.pElems[i], strLen);
2945 }
2946 }
2947 else
2948 CopyMemory(pvarDest->u.capropvar.pElems, pvarSrc->u.capropvar.pElems, len * elemSize);
2949 }
2950 else
2951 WARN("Invalid/unsupported type %d\n", pvarSrc->vt);
2952 }
2953
2954 return S_OK;
2955 }
2956
2957 /***********************************************************************
2958 * FreePropVariantArray [OLE32.@]
2959 */
2960 HRESULT WINAPI FreePropVariantArray(ULONG cVariants, /* [in] */
2961 PROPVARIANT *rgvars) /* [in/out] */
2962 {
2963 ULONG i;
2964
2965 TRACE("(%u, %p)\n", cVariants, rgvars);
2966
2967 if (!rgvars)
2968 return E_INVALIDARG;
2969
2970 for(i = 0; i < cVariants; i++)
2971 PropVariantClear(&rgvars[i]);
2972
2973 return S_OK;
2974 }
2975
2976 /******************************************************************************
2977 * DllDebugObjectRPCHook (OLE32.@)
2978 * turns on and off internal debugging, pointer is only used on macintosh
2979 */
2980
2981 BOOL WINAPI DllDebugObjectRPCHook(BOOL b, void *dummy)
2982 {
2983 FIXME("stub\n");
2984 return TRUE;
2985 }
useful hacks and other patches not (yet) suitable for mainline