4 * Copyright 1995 Martin von Loewis
5 * Copyright 1999 Francis Beaudet
6 * Copyright 1999 Noel Borthwick
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
32 #define NONAMELESSUNION
33 #define NONAMELESSSTRUCT
47 #include "wine/winbase16.h"
48 #include "wine/wingdi16.h"
49 #include "wine/winuser16.h"
50 #include "ole32_main.h"
51 #include "compobj_private.h"
53 #include "wine/debug.h"
55 WINE_DEFAULT_DEBUG_CHANNEL(ole);
56 WINE_DECLARE_DEBUG_CHANNEL(accel);
58 #define HICON_16(h32) (LOWORD(h32))
59 #define HICON_32(h16) ((HICON)(ULONG_PTR)(h16))
60 #define HINSTANCE_32(h16) ((HINSTANCE)(ULONG_PTR)(h16))
62 /******************************************************************************
63 * These are static/global variables and internal data structures that the
64 * OLE module uses to maintain it's state.
66 typedef struct tagDropTargetNode
69 IDropTarget* dropTarget;
70 struct tagDropTargetNode* prevDropTarget;
71 struct tagDropTargetNode* nextDropTarget;
74 typedef struct tagTrackerWindowInfo
76 IDataObject* dataObject;
77 IDropSource* dropSource;
84 HWND curTargetHWND; /* window the mouse is hovering over */
85 HWND curDragTargetHWND; /* might be a ancestor of curTargetHWND */
86 IDropTarget* curDragTarget;
89 typedef struct tagOleMenuDescriptor /* OleMenuDescriptor */
91 HWND hwndFrame; /* The containers frame window */
92 HWND hwndActiveObject; /* The active objects window */
93 OLEMENUGROUPWIDTHS mgw; /* OLE menu group widths for the shared menu */
94 HMENU hmenuCombined; /* The combined menu */
95 BOOL bIsServerItem; /* True if the currently open popup belongs to the server */
98 typedef struct tagOleMenuHookItem /* OleMenu hook item in per thread hook list */
100 DWORD tid; /* Thread Id */
101 HANDLE hHeap; /* Heap this is allocated from */
102 HHOOK GetMsg_hHook; /* message hook for WH_GETMESSAGE */
103 HHOOK CallWndProc_hHook; /* message hook for WH_CALLWNDPROC */
104 struct tagOleMenuHookItem *next;
107 static OleMenuHookItem *hook_list;
110 * This is the lock count on the OLE library. It is controlled by the
111 * OLEInitialize/OLEUninitialize methods.
113 static ULONG OLE_moduleLockCount = 0;
116 * Name of our registered window class.
118 static const char OLEDD_DRAGTRACKERCLASS[] = "WineDragDropTracker32";
121 * This is the head of the Drop target container.
123 static DropTargetNode* targetListHead = NULL;
125 /******************************************************************************
126 * These are the prototypes of miscelaneous utility methods
128 static void OLEUTL_ReadRegistryDWORDValue(HKEY regKey, DWORD* pdwValue);
130 /******************************************************************************
131 * These are the prototypes of the utility methods used to manage a shared menu
133 static void OLEMenu_Initialize(void);
134 static void OLEMenu_UnInitialize(void);
135 BOOL OLEMenu_InstallHooks( DWORD tid );
136 BOOL OLEMenu_UnInstallHooks( DWORD tid );
137 OleMenuHookItem * OLEMenu_IsHookInstalled( DWORD tid );
138 static BOOL OLEMenu_FindMainMenuIndex( HMENU hMainMenu, HMENU hPopupMenu, UINT *pnPos );
139 BOOL OLEMenu_SetIsServerMenu( HMENU hmenu, OleMenuDescriptor *pOleMenuDescriptor );
140 LRESULT CALLBACK OLEMenu_CallWndProc(INT code, WPARAM wParam, LPARAM lParam);
141 LRESULT CALLBACK OLEMenu_GetMsgProc(INT code, WPARAM wParam, LPARAM lParam);
143 /******************************************************************************
144 * These are the prototypes of the OLE Clipboard initialization methods (in clipboard.c)
146 void OLEClipbrd_UnInitialize(void);
147 void OLEClipbrd_Initialize(void);
149 /******************************************************************************
150 * These are the prototypes of the utility methods used for OLE Drag n Drop
152 static void OLEDD_Initialize(void);
153 static void OLEDD_UnInitialize(void);
154 static void OLEDD_InsertDropTarget(
155 DropTargetNode* nodeToAdd);
156 static DropTargetNode* OLEDD_ExtractDropTarget(
158 static DropTargetNode* OLEDD_FindDropTarget(
160 static LRESULT WINAPI OLEDD_DragTrackerWindowProc(
165 static void OLEDD_TrackMouseMove(
166 TrackerWindowInfo* trackerInfo,
169 static void OLEDD_TrackStateChange(
170 TrackerWindowInfo* trackerInfo,
173 static DWORD OLEDD_GetButtonState(void);
176 /******************************************************************************
177 * OleBuildVersion [OLE2.1]
178 * OleBuildVersion [OLE32.@]
180 DWORD WINAPI OleBuildVersion(void)
182 TRACE("Returning version %d, build %d.\n", rmm, rup);
183 return (rmm<<16)+rup;
186 /***********************************************************************
187 * OleInitialize (OLE2.2)
188 * OleInitialize (OLE32.@)
190 HRESULT WINAPI OleInitialize(LPVOID reserved)
194 TRACE("(%p)\n", reserved);
197 * The first duty of the OleInitialize is to initialize the COM libraries.
199 hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
202 * If the CoInitializeEx call failed, the OLE libraries can't be
209 * Then, it has to initialize the OLE specific modules.
213 * Object linking and Embedding
214 * In-place activation
216 if (OLE_moduleLockCount==0)
219 * Initialize the libraries.
221 TRACE("() - Initializing the OLE libraries\n");
226 OLEClipbrd_Initialize();
236 OLEMenu_Initialize();
240 * Then, we increase the lock count on the OLE module.
242 OLE_moduleLockCount++;
247 /******************************************************************************
248 * OleUninitialize [OLE2.3]
249 * OleUninitialize [OLE32.@]
251 void WINAPI OleUninitialize(void)
256 * Decrease the lock count on the OLE module.
258 OLE_moduleLockCount--;
261 * If we hit the bottom of the lock stack, free the libraries.
263 if (OLE_moduleLockCount==0)
266 * Actually free the libraries.
268 TRACE("() - Freeing the last reference count\n");
273 OLEClipbrd_UnInitialize();
278 OLEDD_UnInitialize();
283 OLEMenu_UnInitialize();
287 * Then, uninitialize the COM libraries.
292 /******************************************************************************
293 * OleInitializeWOW [OLE32.@]
295 HRESULT WINAPI OleInitializeWOW(DWORD x) {
296 FIXME("(0x%08lx),stub!\n",x);
300 /***********************************************************************
301 * RegisterDragDrop (OLE32.@)
303 HRESULT WINAPI RegisterDragDrop(
305 LPDROPTARGET pDropTarget)
307 DropTargetNode* dropTargetInfo;
309 TRACE("(%p,%p)\n", hwnd, pDropTarget);
315 * First, check if the window is already registered.
317 dropTargetInfo = OLEDD_FindDropTarget(hwnd);
319 if (dropTargetInfo!=NULL)
320 return DRAGDROP_E_ALREADYREGISTERED;
323 * If it's not there, we can add it. We first create a node for it.
325 dropTargetInfo = HeapAlloc(GetProcessHeap(), 0, sizeof(DropTargetNode));
327 if (dropTargetInfo==NULL)
328 return E_OUTOFMEMORY;
330 dropTargetInfo->hwndTarget = hwnd;
331 dropTargetInfo->prevDropTarget = NULL;
332 dropTargetInfo->nextDropTarget = NULL;
335 * Don't forget that this is an interface pointer, need to nail it down since
336 * we keep a copy of it.
338 dropTargetInfo->dropTarget = pDropTarget;
339 IDropTarget_AddRef(dropTargetInfo->dropTarget);
341 OLEDD_InsertDropTarget(dropTargetInfo);
346 /***********************************************************************
347 * RevokeDragDrop (OLE32.@)
349 HRESULT WINAPI RevokeDragDrop(
352 DropTargetNode* dropTargetInfo;
354 TRACE("(%p)\n", hwnd);
357 * First, check if the window is already registered.
359 dropTargetInfo = OLEDD_ExtractDropTarget(hwnd);
362 * If it ain't in there, it's an error.
364 if (dropTargetInfo==NULL)
365 return DRAGDROP_E_NOTREGISTERED;
368 * If it's in there, clean-up it's used memory and
371 IDropTarget_Release(dropTargetInfo->dropTarget);
372 HeapFree(GetProcessHeap(), 0, dropTargetInfo);
377 /***********************************************************************
378 * OleRegGetUserType (OLE32.@)
380 * This implementation of OleRegGetUserType ignores the dwFormOfType
381 * parameter and always returns the full name of the object. This is
382 * not too bad since this is the case for many objects because of the
383 * way they are registered.
385 HRESULT WINAPI OleRegGetUserType(
388 LPOLESTR* pszUserType)
398 * Initialize the out parameter.
403 * Build the key name we're looking for
405 sprintf( keyName, "CLSID\\{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}\\",
406 clsid->Data1, clsid->Data2, clsid->Data3,
407 clsid->Data4[0], clsid->Data4[1], clsid->Data4[2], clsid->Data4[3],
408 clsid->Data4[4], clsid->Data4[5], clsid->Data4[6], clsid->Data4[7] );
410 TRACE("(%s, %ld, %p)\n", keyName, dwFormOfType, pszUserType);
413 * Open the class id Key
415 hres = RegOpenKeyA(HKEY_CLASSES_ROOT,
419 if (hres != ERROR_SUCCESS)
420 return REGDB_E_CLASSNOTREG;
423 * Retrieve the size of the name string.
427 hres = RegQueryValueExA(clsidKey,
434 if (hres!=ERROR_SUCCESS)
436 RegCloseKey(clsidKey);
437 return REGDB_E_READREGDB;
441 * Allocate a buffer for the registry value.
443 *pszUserType = CoTaskMemAlloc(cbData*2);
445 if (*pszUserType==NULL)
447 RegCloseKey(clsidKey);
448 return E_OUTOFMEMORY;
451 buffer = HeapAlloc(GetProcessHeap(), 0, cbData);
455 RegCloseKey(clsidKey);
456 CoTaskMemFree(*pszUserType);
458 return E_OUTOFMEMORY;
461 hres = RegQueryValueExA(clsidKey,
468 RegCloseKey(clsidKey);
471 if (hres!=ERROR_SUCCESS)
473 CoTaskMemFree(*pszUserType);
476 retVal = REGDB_E_READREGDB;
480 MultiByteToWideChar( CP_ACP, 0, buffer, -1, *pszUserType, cbData /*FIXME*/ );
483 HeapFree(GetProcessHeap(), 0, buffer);
488 /***********************************************************************
489 * DoDragDrop [OLE32.@]
491 HRESULT WINAPI DoDragDrop (
492 IDataObject *pDataObject, /* [in] ptr to the data obj */
493 IDropSource* pDropSource, /* [in] ptr to the source obj */
494 DWORD dwOKEffect, /* [in] effects allowed by the source */
495 DWORD *pdwEffect) /* [out] ptr to effects of the source */
497 TrackerWindowInfo trackerInfo;
498 HWND hwndTrackWindow;
501 TRACE("(DataObject %p, DropSource %p)\n", pDataObject, pDropSource);
504 * Setup the drag n drop tracking window.
506 if (!IsValidInterface((LPUNKNOWN)pDropSource))
509 trackerInfo.dataObject = pDataObject;
510 trackerInfo.dropSource = pDropSource;
511 trackerInfo.dwOKEffect = dwOKEffect;
512 trackerInfo.pdwEffect = pdwEffect;
513 trackerInfo.trackingDone = FALSE;
514 trackerInfo.escPressed = FALSE;
515 trackerInfo.curDragTargetHWND = 0;
516 trackerInfo.curTargetHWND = 0;
517 trackerInfo.curDragTarget = 0;
519 hwndTrackWindow = CreateWindowA(OLEDD_DRAGTRACKERCLASS,
522 CW_USEDEFAULT, CW_USEDEFAULT,
523 CW_USEDEFAULT, CW_USEDEFAULT,
527 (LPVOID)&trackerInfo);
529 if (hwndTrackWindow!=0)
532 * Capture the mouse input
534 SetCapture(hwndTrackWindow);
537 * Pump messages. All mouse input should go the the capture window.
539 while (!trackerInfo.trackingDone && GetMessageA(&msg, 0, 0, 0) )
541 if ( (msg.message >= WM_KEYFIRST) &&
542 (msg.message <= WM_KEYLAST) )
545 * When keyboard messages are sent to windows on this thread, we
546 * want to ignore notify the drop source that the state changed.
547 * in the case of the Escape key, we also notify the drop source
548 * we give it a special meaning.
550 if ( (msg.message==WM_KEYDOWN) &&
551 (msg.wParam==VK_ESCAPE) )
553 trackerInfo.escPressed = TRUE;
557 * Notify the drop source.
559 OLEDD_TrackStateChange(&trackerInfo,
561 OLEDD_GetButtonState());
566 * Dispatch the messages only when it's not a keyboard message.
568 DispatchMessageA(&msg);
573 * Destroy the temporary window.
575 DestroyWindow(hwndTrackWindow);
577 return trackerInfo.returnValue;
583 /***********************************************************************
584 * OleQueryLinkFromData [OLE32.@]
586 HRESULT WINAPI OleQueryLinkFromData(
587 IDataObject* pSrcDataObject)
589 FIXME("(%p),stub!\n", pSrcDataObject);
593 /***********************************************************************
594 * OleRegGetMiscStatus [OLE32.@]
596 HRESULT WINAPI OleRegGetMiscStatus(
608 * Initialize the out parameter.
613 * Build the key name we're looking for
615 sprintf( keyName, "CLSID\\{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}\\",
616 clsid->Data1, clsid->Data2, clsid->Data3,
617 clsid->Data4[0], clsid->Data4[1], clsid->Data4[2], clsid->Data4[3],
618 clsid->Data4[4], clsid->Data4[5], clsid->Data4[6], clsid->Data4[7] );
620 TRACE("(%s, %ld, %p)\n", keyName, dwAspect, pdwStatus);
623 * Open the class id Key
625 result = RegOpenKeyA(HKEY_CLASSES_ROOT,
629 if (result != ERROR_SUCCESS)
630 return REGDB_E_CLASSNOTREG;
635 result = RegOpenKeyA(clsidKey,
640 if (result != ERROR_SUCCESS)
642 RegCloseKey(clsidKey);
643 return REGDB_E_READREGDB;
647 * Read the default value
649 OLEUTL_ReadRegistryDWORDValue(miscStatusKey, pdwStatus);
652 * Open the key specific to the requested aspect.
654 sprintf(keyName, "%ld", dwAspect);
656 result = RegOpenKeyA(miscStatusKey,
660 if (result == ERROR_SUCCESS)
662 OLEUTL_ReadRegistryDWORDValue(aspectKey, pdwStatus);
663 RegCloseKey(aspectKey);
669 RegCloseKey(miscStatusKey);
670 RegCloseKey(clsidKey);
675 /******************************************************************************
676 * OleSetContainedObject [OLE32.@]
678 HRESULT WINAPI OleSetContainedObject(
682 IRunnableObject* runnable = NULL;
685 TRACE("(%p,%x), stub!\n", pUnknown, fContained);
687 hres = IUnknown_QueryInterface(pUnknown,
688 &IID_IRunnableObject,
693 hres = IRunnableObject_SetContainedObject(runnable, fContained);
695 IRunnableObject_Release(runnable);
703 /******************************************************************************
706 HRESULT WINAPI OleLoad(
709 LPOLECLIENTSITE pClientSite,
712 IPersistStorage* persistStorage = NULL;
713 IOleObject* oleObject = NULL;
717 TRACE("(%p,%p,%p,%p)\n", pStg, riid, pClientSite, ppvObj);
720 * TODO, Conversion ... OleDoAutoConvert
724 * Get the class ID for the object.
726 hres = IStorage_Stat(pStg, &storageInfo, STATFLAG_NONAME);
729 * Now, try and create the handler for the object
731 hres = CoCreateInstance(&storageInfo.clsid,
733 CLSCTX_INPROC_HANDLER,
738 * If that fails, as it will most times, load the default
743 hres = OleCreateDefaultHandler(&storageInfo.clsid,
750 * If we couldn't find a handler... this is bad. Abort the whole thing.
756 * Inform the new object of it's client site.
758 hres = IOleObject_SetClientSite(oleObject, pClientSite);
761 * Initialize the object with it's IPersistStorage interface.
763 hres = IOleObject_QueryInterface(oleObject,
764 &IID_IPersistStorage,
765 (void**)&persistStorage);
769 IPersistStorage_Load(persistStorage, pStg);
771 IPersistStorage_Release(persistStorage);
772 persistStorage = NULL;
776 * Return the requested interface to the caller.
778 hres = IOleObject_QueryInterface(oleObject, riid, ppvObj);
781 * Cleanup interfaces used internally
783 IOleObject_Release(oleObject);
788 /***********************************************************************
791 HRESULT WINAPI OleSave(
792 LPPERSISTSTORAGE pPS,
799 TRACE("(%p,%p,%x)\n", pPS, pStg, fSameAsLoad);
802 * First, we transfer the class ID (if available)
804 hres = IPersistStorage_GetClassID(pPS, &objectClass);
808 WriteClassStg(pStg, &objectClass);
812 * Then, we ask the object to save itself to the
813 * storage. If it is successful, we commit the storage.
815 hres = IPersistStorage_Save(pPS, pStg, fSameAsLoad);
819 IStorage_Commit(pStg,
827 /******************************************************************************
828 * OleLockRunning [OLE32.@]
830 HRESULT WINAPI OleLockRunning(LPUNKNOWN pUnknown, BOOL fLock, BOOL fLastUnlockCloses)
832 IRunnableObject* runnable = NULL;
835 TRACE("(%p,%x,%x)\n", pUnknown, fLock, fLastUnlockCloses);
837 hres = IUnknown_QueryInterface(pUnknown,
838 &IID_IRunnableObject,
843 hres = IRunnableObject_LockRunning(runnable, fLock, fLastUnlockCloses);
845 IRunnableObject_Release(runnable);
854 /**************************************************************************
855 * Internal methods to manage the shared OLE menu in response to the
856 * OLE***MenuDescriptor API
860 * OLEMenu_Initialize()
862 * Initializes the OLEMENU data structures.
864 static void OLEMenu_Initialize()
869 * OLEMenu_UnInitialize()
871 * Releases the OLEMENU data structures.
873 static void OLEMenu_UnInitialize()
877 /*************************************************************************
878 * OLEMenu_InstallHooks
879 * Install thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC
881 * RETURNS: TRUE if message hooks were successfully installed
884 BOOL OLEMenu_InstallHooks( DWORD tid )
886 OleMenuHookItem *pHookItem = NULL;
888 /* Create an entry for the hook table */
889 if ( !(pHookItem = HeapAlloc(GetProcessHeap(), 0,
890 sizeof(OleMenuHookItem)) ) )
893 pHookItem->tid = tid;
894 pHookItem->hHeap = GetProcessHeap();
896 /* Install a thread scope message hook for WH_GETMESSAGE */
897 pHookItem->GetMsg_hHook = SetWindowsHookExA( WH_GETMESSAGE, OLEMenu_GetMsgProc,
898 0, GetCurrentThreadId() );
899 if ( !pHookItem->GetMsg_hHook )
902 /* Install a thread scope message hook for WH_CALLWNDPROC */
903 pHookItem->CallWndProc_hHook = SetWindowsHookExA( WH_CALLWNDPROC, OLEMenu_CallWndProc,
904 0, GetCurrentThreadId() );
905 if ( !pHookItem->CallWndProc_hHook )
908 /* Insert the hook table entry */
909 pHookItem->next = hook_list;
910 hook_list = pHookItem;
915 /* Unhook any hooks */
916 if ( pHookItem->GetMsg_hHook )
917 UnhookWindowsHookEx( pHookItem->GetMsg_hHook );
918 if ( pHookItem->CallWndProc_hHook )
919 UnhookWindowsHookEx( pHookItem->CallWndProc_hHook );
920 /* Release the hook table entry */
921 HeapFree(pHookItem->hHeap, 0, pHookItem );
926 /*************************************************************************
927 * OLEMenu_UnInstallHooks
928 * UnInstall thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC
930 * RETURNS: TRUE if message hooks were successfully installed
933 BOOL OLEMenu_UnInstallHooks( DWORD tid )
935 OleMenuHookItem *pHookItem = NULL;
936 OleMenuHookItem **ppHook = &hook_list;
940 if ((*ppHook)->tid == tid)
943 *ppHook = pHookItem->next;
946 ppHook = &(*ppHook)->next;
948 if (!pHookItem) return FALSE;
950 /* Uninstall the hooks installed for this thread */
951 if ( !UnhookWindowsHookEx( pHookItem->GetMsg_hHook ) )
953 if ( !UnhookWindowsHookEx( pHookItem->CallWndProc_hHook ) )
956 /* Release the hook table entry */
957 HeapFree(pHookItem->hHeap, 0, pHookItem );
962 /* Release the hook table entry */
963 HeapFree(pHookItem->hHeap, 0, pHookItem );
968 /*************************************************************************
969 * OLEMenu_IsHookInstalled
970 * Tests if OLEMenu hooks have been installed for a thread
972 * RETURNS: The pointer and index of the hook table entry for the tid
973 * NULL and -1 for the index if no hooks were installed for this thread
975 OleMenuHookItem * OLEMenu_IsHookInstalled( DWORD tid )
977 OleMenuHookItem *pHookItem = NULL;
979 /* Do a simple linear search for an entry whose tid matches ours.
980 * We really need a map but efficiency is not a concern here. */
981 for (pHookItem = hook_list; pHookItem; pHookItem = pHookItem->next)
983 if ( tid == pHookItem->tid )
990 /***********************************************************************
991 * OLEMenu_FindMainMenuIndex
993 * Used by OLEMenu API to find the top level group a menu item belongs to.
994 * On success pnPos contains the index of the item in the top level menu group
996 * RETURNS: TRUE if the ID was found, FALSE on failure
998 static BOOL OLEMenu_FindMainMenuIndex( HMENU hMainMenu, HMENU hPopupMenu, UINT *pnPos )
1002 nItems = GetMenuItemCount( hMainMenu );
1004 for (i = 0; i < nItems; i++)
1008 /* Is the current item a submenu? */
1009 if ( (hsubmenu = GetSubMenu(hMainMenu, i)) )
1011 /* If the handle is the same we're done */
1012 if ( hsubmenu == hPopupMenu )
1018 /* Recursively search without updating pnPos */
1019 else if ( OLEMenu_FindMainMenuIndex( hsubmenu, hPopupMenu, NULL ) )
1031 /***********************************************************************
1032 * OLEMenu_SetIsServerMenu
1034 * Checks whether a popup menu belongs to a shared menu group which is
1035 * owned by the server, and sets the menu descriptor state accordingly.
1036 * All menu messages from these groups should be routed to the server.
1038 * RETURNS: TRUE if the popup menu is part of a server owned group
1039 * FASE if the popup menu is part of a container owned group
1041 BOOL OLEMenu_SetIsServerMenu( HMENU hmenu, OleMenuDescriptor *pOleMenuDescriptor )
1043 UINT nPos = 0, nWidth, i;
1045 pOleMenuDescriptor->bIsServerItem = FALSE;
1047 /* Don't bother searching if the popup is the combined menu itself */
1048 if ( hmenu == pOleMenuDescriptor->hmenuCombined )
1051 /* Find the menu item index in the shared OLE menu that this item belongs to */
1052 if ( !OLEMenu_FindMainMenuIndex( pOleMenuDescriptor->hmenuCombined, hmenu, &nPos ) )
1055 /* The group widths array has counts for the number of elements
1056 * in the groups File, Edit, Container, Object, Window, Help.
1057 * The Edit, Object & Help groups belong to the server object
1058 * and the other three belong to the container.
1059 * Loop through the group widths and locate the group we are a member of.
1061 for ( i = 0, nWidth = 0; i < 6; i++ )
1063 nWidth += pOleMenuDescriptor->mgw.width[i];
1064 if ( nPos < nWidth )
1066 /* Odd elements are server menu widths */
1067 pOleMenuDescriptor->bIsServerItem = (i%2) ? TRUE : FALSE;
1072 return pOleMenuDescriptor->bIsServerItem;
1075 /*************************************************************************
1076 * OLEMenu_CallWndProc
1077 * Thread scope WH_CALLWNDPROC hook proc filter function (callback)
1078 * This is invoked from a message hook installed in OleSetMenuDescriptor.
1080 LRESULT CALLBACK OLEMenu_CallWndProc(INT code, WPARAM wParam, LPARAM lParam)
1082 LPCWPSTRUCT pMsg = NULL;
1083 HOLEMENU hOleMenu = 0;
1084 OleMenuDescriptor *pOleMenuDescriptor = NULL;
1085 OleMenuHookItem *pHookItem = NULL;
1088 TRACE("%i, %04x, %08x\n", code, wParam, (unsigned)lParam );
1090 /* Check if we're being asked to process the message */
1091 if ( HC_ACTION != code )
1094 /* Retrieve the current message being dispatched from lParam */
1095 pMsg = (LPCWPSTRUCT)lParam;
1097 /* Check if the message is destined for a window we are interested in:
1098 * If the window has an OLEMenu property we may need to dispatch
1099 * the menu message to its active objects window instead. */
1101 hOleMenu = (HOLEMENU)GetPropA( pMsg->hwnd, "PROP_OLEMenuDescriptor" );
1105 /* Get the menu descriptor */
1106 pOleMenuDescriptor = (OleMenuDescriptor *) GlobalLock( hOleMenu );
1107 if ( !pOleMenuDescriptor ) /* Bad descriptor! */
1110 /* Process menu messages */
1111 switch( pMsg->message )
1115 /* Reset the menu descriptor state */
1116 pOleMenuDescriptor->bIsServerItem = FALSE;
1118 /* Send this message to the server as well */
1119 SendMessageA( pOleMenuDescriptor->hwndActiveObject,
1120 pMsg->message, pMsg->wParam, pMsg->lParam );
1124 case WM_INITMENUPOPUP:
1126 /* Save the state for whether this is a server owned menu */
1127 OLEMenu_SetIsServerMenu( (HMENU)pMsg->wParam, pOleMenuDescriptor );
1133 fuFlags = HIWORD(pMsg->wParam); /* Get flags */
1134 if ( fuFlags & MF_SYSMENU )
1137 /* Save the state for whether this is a server owned popup menu */
1138 else if ( fuFlags & MF_POPUP )
1139 OLEMenu_SetIsServerMenu( (HMENU)pMsg->lParam, pOleMenuDescriptor );
1146 LPDRAWITEMSTRUCT lpdis = (LPDRAWITEMSTRUCT) pMsg->lParam;
1147 if ( pMsg->wParam != 0 || lpdis->CtlType != ODT_MENU )
1148 goto NEXTHOOK; /* Not a menu message */
1157 /* If the message was for the server dispatch it accordingly */
1158 if ( pOleMenuDescriptor->bIsServerItem )
1160 SendMessageA( pOleMenuDescriptor->hwndActiveObject,
1161 pMsg->message, pMsg->wParam, pMsg->lParam );
1165 if ( pOleMenuDescriptor )
1166 GlobalUnlock( hOleMenu );
1168 /* Lookup the hook item for the current thread */
1169 if ( !( pHookItem = OLEMenu_IsHookInstalled( GetCurrentThreadId() ) ) )
1171 /* This should never fail!! */
1172 WARN("could not retrieve hHook for current thread!\n" );
1176 /* Pass on the message to the next hooker */
1177 return CallNextHookEx( pHookItem->CallWndProc_hHook, code, wParam, lParam );
1180 /*************************************************************************
1181 * OLEMenu_GetMsgProc
1182 * Thread scope WH_GETMESSAGE hook proc filter function (callback)
1183 * This is invoked from a message hook installed in OleSetMenuDescriptor.
1185 LRESULT CALLBACK OLEMenu_GetMsgProc(INT code, WPARAM wParam, LPARAM lParam)
1188 HOLEMENU hOleMenu = 0;
1189 OleMenuDescriptor *pOleMenuDescriptor = NULL;
1190 OleMenuHookItem *pHookItem = NULL;
1193 TRACE("%i, %04x, %08x\n", code, wParam, (unsigned)lParam );
1195 /* Check if we're being asked to process a messages */
1196 if ( HC_ACTION != code )
1199 /* Retrieve the current message being dispatched from lParam */
1200 pMsg = (LPMSG)lParam;
1202 /* Check if the message is destined for a window we are interested in:
1203 * If the window has an OLEMenu property we may need to dispatch
1204 * the menu message to its active objects window instead. */
1206 hOleMenu = (HOLEMENU)GetPropA( pMsg->hwnd, "PROP_OLEMenuDescriptor" );
1210 /* Process menu messages */
1211 switch( pMsg->message )
1215 wCode = HIWORD(pMsg->wParam); /* Get notification code */
1217 goto NEXTHOOK; /* Not a menu message */
1224 /* Get the menu descriptor */
1225 pOleMenuDescriptor = (OleMenuDescriptor *) GlobalLock( hOleMenu );
1226 if ( !pOleMenuDescriptor ) /* Bad descriptor! */
1229 /* If the message was for the server dispatch it accordingly */
1230 if ( pOleMenuDescriptor->bIsServerItem )
1232 /* Change the hWnd in the message to the active objects hWnd.
1233 * The message loop which reads this message will automatically
1234 * dispatch it to the embedded objects window. */
1235 pMsg->hwnd = pOleMenuDescriptor->hwndActiveObject;
1239 if ( pOleMenuDescriptor )
1240 GlobalUnlock( hOleMenu );
1242 /* Lookup the hook item for the current thread */
1243 if ( !( pHookItem = OLEMenu_IsHookInstalled( GetCurrentThreadId() ) ) )
1245 /* This should never fail!! */
1246 WARN("could not retrieve hHook for current thread!\n" );
1250 /* Pass on the message to the next hooker */
1251 return CallNextHookEx( pHookItem->GetMsg_hHook, code, wParam, lParam );
1254 /***********************************************************************
1255 * OleCreateMenuDescriptor [OLE32.@]
1256 * Creates an OLE menu descriptor for OLE to use when dispatching
1257 * menu messages and commands.
1260 * hmenuCombined - Handle to the objects combined menu
1261 * lpMenuWidths - Pointer to array of 6 LONG's indicating menus per group
1264 HOLEMENU WINAPI OleCreateMenuDescriptor(
1265 HMENU hmenuCombined,
1266 LPOLEMENUGROUPWIDTHS lpMenuWidths)
1269 OleMenuDescriptor *pOleMenuDescriptor;
1272 if ( !hmenuCombined || !lpMenuWidths )
1275 /* Create an OLE menu descriptor */
1276 if ( !(hOleMenu = GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT,
1277 sizeof(OleMenuDescriptor) ) ) )
1280 pOleMenuDescriptor = (OleMenuDescriptor *) GlobalLock( hOleMenu );
1281 if ( !pOleMenuDescriptor )
1284 /* Initialize menu group widths and hmenu */
1285 for ( i = 0; i < 6; i++ )
1286 pOleMenuDescriptor->mgw.width[i] = lpMenuWidths->width[i];
1288 pOleMenuDescriptor->hmenuCombined = hmenuCombined;
1289 pOleMenuDescriptor->bIsServerItem = FALSE;
1290 GlobalUnlock( hOleMenu );
1295 /***********************************************************************
1296 * OleDestroyMenuDescriptor [OLE32.@]
1297 * Destroy the shared menu descriptor
1299 HRESULT WINAPI OleDestroyMenuDescriptor(
1300 HOLEMENU hmenuDescriptor)
1302 if ( hmenuDescriptor )
1303 GlobalFree( hmenuDescriptor );
1307 /***********************************************************************
1308 * OleSetMenuDescriptor [OLE32.@]
1309 * Installs or removes OLE dispatching code for the containers frame window
1310 * FIXME: The lpFrame and lpActiveObject parameters are currently ignored
1311 * OLE should install context sensitive help F1 filtering for the app when
1312 * these are non null.
1315 * hOleMenu Handle to composite menu descriptor
1316 * hwndFrame Handle to containers frame window
1317 * hwndActiveObject Handle to objects in-place activation window
1318 * lpFrame Pointer to IOleInPlaceFrame on containers window
1319 * lpActiveObject Pointer to IOleInPlaceActiveObject on active in-place object
1322 * S_OK - menu installed correctly
1323 * E_FAIL, E_INVALIDARG, E_UNEXPECTED - failure
1325 HRESULT WINAPI OleSetMenuDescriptor(
1328 HWND hwndActiveObject,
1329 LPOLEINPLACEFRAME lpFrame,
1330 LPOLEINPLACEACTIVEOBJECT lpActiveObject)
1332 OleMenuDescriptor *pOleMenuDescriptor = NULL;
1335 if ( !hwndFrame || (hOleMenu && !hwndActiveObject) )
1336 return E_INVALIDARG;
1338 if ( lpFrame || lpActiveObject )
1340 FIXME("(%x, %p, %p, %p, %p), Context sensitive help filtering not implemented!\n",
1341 (unsigned int)hOleMenu,
1348 /* Set up a message hook to intercept the containers frame window messages.
1349 * The message filter is responsible for dispatching menu messages from the
1350 * shared menu which are intended for the object.
1353 if ( hOleMenu ) /* Want to install dispatching code */
1355 /* If OLEMenu hooks are already installed for this thread, fail
1356 * Note: This effectively means that OleSetMenuDescriptor cannot
1357 * be called twice in succession on the same frame window
1358 * without first calling it with a null hOleMenu to uninstall */
1359 if ( OLEMenu_IsHookInstalled( GetCurrentThreadId() ) )
1362 /* Get the menu descriptor */
1363 pOleMenuDescriptor = (OleMenuDescriptor *) GlobalLock( hOleMenu );
1364 if ( !pOleMenuDescriptor )
1365 return E_UNEXPECTED;
1367 /* Update the menu descriptor */
1368 pOleMenuDescriptor->hwndFrame = hwndFrame;
1369 pOleMenuDescriptor->hwndActiveObject = hwndActiveObject;
1371 GlobalUnlock( hOleMenu );
1372 pOleMenuDescriptor = NULL;
1374 /* Add a menu descriptor windows property to the frame window */
1375 SetPropA( hwndFrame, "PROP_OLEMenuDescriptor", hOleMenu );
1377 /* Install thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC */
1378 if ( !OLEMenu_InstallHooks( GetCurrentThreadId() ) )
1381 else /* Want to uninstall dispatching code */
1383 /* Uninstall the hooks */
1384 if ( !OLEMenu_UnInstallHooks( GetCurrentThreadId() ) )
1387 /* Remove the menu descriptor property from the frame window */
1388 RemovePropA( hwndFrame, "PROP_OLEMenuDescriptor" );
1394 /******************************************************************************
1395 * IsAccelerator [OLE32.@]
1396 * Mostly copied from controls/menu.c TranslateAccelerator implementation
1398 BOOL WINAPI IsAccelerator(HACCEL hAccel, int cAccelEntries, LPMSG lpMsg, WORD* lpwCmd)
1403 if(!lpMsg) return FALSE;
1406 WARN_(accel)("NULL accel handle\n");
1409 if((lpMsg->message != WM_KEYDOWN &&
1410 lpMsg->message != WM_KEYUP &&
1411 lpMsg->message != WM_SYSKEYDOWN &&
1412 lpMsg->message != WM_SYSKEYUP &&
1413 lpMsg->message != WM_CHAR)) return FALSE;
1414 lpAccelTbl = HeapAlloc(GetProcessHeap(), 0, cAccelEntries * sizeof(ACCEL));
1415 if (NULL == lpAccelTbl)
1419 if (CopyAcceleratorTableW(hAccel, lpAccelTbl, cAccelEntries) != cAccelEntries)
1421 WARN_(accel)("CopyAcceleratorTableW failed\n");
1422 HeapFree(GetProcessHeap(), 0, lpAccelTbl);
1426 TRACE_(accel)("hAccel=%p, cAccelEntries=%d,"
1427 "msg->hwnd=%p, msg->message=%04x, wParam=%08x, lParam=%08lx\n",
1428 hAccel, cAccelEntries,
1429 lpMsg->hwnd, lpMsg->message, lpMsg->wParam, lpMsg->lParam);
1430 for(i = 0; i < cAccelEntries; i++)
1432 if(lpAccelTbl[i].key != lpMsg->wParam)
1435 if(lpMsg->message == WM_CHAR)
1437 if(!(lpAccelTbl[i].fVirt & FALT) && !(lpAccelTbl[i].fVirt & FVIRTKEY))
1439 TRACE_(accel)("found accel for WM_CHAR: ('%c')\n", lpMsg->wParam & 0xff);
1445 if(lpAccelTbl[i].fVirt & FVIRTKEY)
1448 TRACE_(accel)("found accel for virt_key %04x (scan %04x)\n",
1449 lpMsg->wParam, HIWORD(lpMsg->lParam) & 0xff);
1450 if(GetKeyState(VK_SHIFT) & 0x8000) mask |= FSHIFT;
1451 if(GetKeyState(VK_CONTROL) & 0x8000) mask |= FCONTROL;
1452 if(GetKeyState(VK_MENU) & 0x8000) mask |= FALT;
1453 if(mask == (lpAccelTbl[i].fVirt & (FSHIFT | FCONTROL | FALT))) goto found;
1454 TRACE_(accel)("incorrect SHIFT/CTRL/ALT-state\n");
1458 if(!(lpMsg->lParam & 0x01000000)) /* no special_key */
1460 if((lpAccelTbl[i].fVirt & FALT) && (lpMsg->lParam & 0x20000000))
1461 { /* ^^ ALT pressed */
1462 TRACE_(accel)("found accel for Alt-%c\n", lpMsg->wParam & 0xff);
1470 WARN_(accel)("couldn't translate accelerator key\n");
1471 HeapFree(GetProcessHeap(), 0, lpAccelTbl);
1475 if(lpwCmd) *lpwCmd = lpAccelTbl[i].cmd;
1476 HeapFree(GetProcessHeap(), 0, lpAccelTbl);
1480 /***********************************************************************
1481 * ReleaseStgMedium [OLE32.@]
1483 void WINAPI ReleaseStgMedium(
1486 switch (pmedium->tymed)
1490 if ( (pmedium->pUnkForRelease==0) &&
1491 (pmedium->u.hGlobal!=0) )
1492 GlobalFree(pmedium->u.hGlobal);
1497 if (pmedium->u.lpszFileName!=0)
1499 if (pmedium->pUnkForRelease==0)
1501 DeleteFileW(pmedium->u.lpszFileName);
1504 CoTaskMemFree(pmedium->u.lpszFileName);
1510 if (pmedium->u.pstm!=0)
1512 IStream_Release(pmedium->u.pstm);
1516 case TYMED_ISTORAGE:
1518 if (pmedium->u.pstg!=0)
1520 IStorage_Release(pmedium->u.pstg);
1526 if ( (pmedium->pUnkForRelease==0) &&
1527 (pmedium->u.hBitmap!=0) )
1528 DeleteObject(pmedium->u.hBitmap);
1533 if ( (pmedium->pUnkForRelease==0) &&
1534 (pmedium->u.hMetaFilePict!=0) )
1536 LPMETAFILEPICT pMP = GlobalLock(pmedium->u.hMetaFilePict);
1537 DeleteMetaFile(pMP->hMF);
1538 GlobalUnlock(pmedium->u.hMetaFilePict);
1539 GlobalFree(pmedium->u.hMetaFilePict);
1545 if ( (pmedium->pUnkForRelease==0) &&
1546 (pmedium->u.hEnhMetaFile!=0) )
1548 DeleteEnhMetaFile(pmedium->u.hEnhMetaFile);
1556 pmedium->tymed=TYMED_NULL;
1559 * After cleaning up, the unknown is released
1561 if (pmedium->pUnkForRelease!=0)
1563 IUnknown_Release(pmedium->pUnkForRelease);
1564 pmedium->pUnkForRelease = 0;
1569 * OLEDD_Initialize()
1571 * Initializes the OLE drag and drop data structures.
1573 static void OLEDD_Initialize()
1577 ZeroMemory (&wndClass, sizeof(WNDCLASSA));
1578 wndClass.style = CS_GLOBALCLASS;
1579 wndClass.lpfnWndProc = OLEDD_DragTrackerWindowProc;
1580 wndClass.cbClsExtra = 0;
1581 wndClass.cbWndExtra = sizeof(TrackerWindowInfo*);
1582 wndClass.hCursor = 0;
1583 wndClass.hbrBackground = 0;
1584 wndClass.lpszClassName = OLEDD_DRAGTRACKERCLASS;
1586 RegisterClassA (&wndClass);
1590 * OLEDD_UnInitialize()
1592 * Releases the OLE drag and drop data structures.
1594 static void OLEDD_UnInitialize()
1597 * Simply empty the list.
1599 while (targetListHead!=NULL)
1601 RevokeDragDrop(targetListHead->hwndTarget);
1606 * OLEDD_InsertDropTarget()
1608 * Insert the target node in the tree.
1610 static void OLEDD_InsertDropTarget(DropTargetNode* nodeToAdd)
1612 DropTargetNode* curNode;
1613 DropTargetNode** parentNodeLink;
1616 * Iterate the tree to find the insertion point.
1618 curNode = targetListHead;
1619 parentNodeLink = &targetListHead;
1621 while (curNode!=NULL)
1623 if (nodeToAdd->hwndTarget<curNode->hwndTarget)
1626 * If the node we want to add has a smaller HWND, go left
1628 parentNodeLink = &curNode->prevDropTarget;
1629 curNode = curNode->prevDropTarget;
1631 else if (nodeToAdd->hwndTarget>curNode->hwndTarget)
1634 * If the node we want to add has a larger HWND, go right
1636 parentNodeLink = &curNode->nextDropTarget;
1637 curNode = curNode->nextDropTarget;
1642 * The item was found in the list. It shouldn't have been there
1650 * If we get here, we have found a spot for our item. The parentNodeLink
1651 * pointer points to the pointer that we have to modify.
1652 * The curNode should be NULL. We just have to establish the link and Voila!
1654 assert(curNode==NULL);
1655 assert(parentNodeLink!=NULL);
1656 assert(*parentNodeLink==NULL);
1658 *parentNodeLink=nodeToAdd;
1662 * OLEDD_ExtractDropTarget()
1664 * Removes the target node from the tree.
1666 static DropTargetNode* OLEDD_ExtractDropTarget(HWND hwndOfTarget)
1668 DropTargetNode* curNode;
1669 DropTargetNode** parentNodeLink;
1672 * Iterate the tree to find the insertion point.
1674 curNode = targetListHead;
1675 parentNodeLink = &targetListHead;
1677 while (curNode!=NULL)
1679 if (hwndOfTarget<curNode->hwndTarget)
1682 * If the node we want to add has a smaller HWND, go left
1684 parentNodeLink = &curNode->prevDropTarget;
1685 curNode = curNode->prevDropTarget;
1687 else if (hwndOfTarget>curNode->hwndTarget)
1690 * If the node we want to add has a larger HWND, go right
1692 parentNodeLink = &curNode->nextDropTarget;
1693 curNode = curNode->nextDropTarget;
1698 * The item was found in the list. Detach it from it's parent and
1699 * re-insert it's kids in the tree.
1701 assert(parentNodeLink!=NULL);
1702 assert(*parentNodeLink==curNode);
1705 * We arbitrately re-attach the left sub-tree to the parent.
1707 *parentNodeLink = curNode->prevDropTarget;
1710 * And we re-insert the right subtree
1712 if (curNode->nextDropTarget!=NULL)
1714 OLEDD_InsertDropTarget(curNode->nextDropTarget);
1718 * The node we found is still a valid node once we complete
1719 * the unlinking of the kids.
1721 curNode->nextDropTarget=NULL;
1722 curNode->prevDropTarget=NULL;
1729 * If we get here, the node is not in the tree
1735 * OLEDD_FindDropTarget()
1737 * Finds information about the drop target.
1739 static DropTargetNode* OLEDD_FindDropTarget(HWND hwndOfTarget)
1741 DropTargetNode* curNode;
1744 * Iterate the tree to find the HWND value.
1746 curNode = targetListHead;
1748 while (curNode!=NULL)
1750 if (hwndOfTarget<curNode->hwndTarget)
1753 * If the node we want to add has a smaller HWND, go left
1755 curNode = curNode->prevDropTarget;
1757 else if (hwndOfTarget>curNode->hwndTarget)
1760 * If the node we want to add has a larger HWND, go right
1762 curNode = curNode->nextDropTarget;
1767 * The item was found in the list.
1774 * If we get here, the item is not in the list
1780 * OLEDD_DragTrackerWindowProc()
1782 * This method is the WindowProcedure of the drag n drop tracking
1783 * window. During a drag n Drop operation, an invisible window is created
1784 * to receive the user input and act upon it. This procedure is in charge
1787 static LRESULT WINAPI OLEDD_DragTrackerWindowProc(
1797 LPCREATESTRUCTA createStruct = (LPCREATESTRUCTA)lParam;
1799 SetWindowLongA(hwnd, 0, (LONG)createStruct->lpCreateParams);
1806 TrackerWindowInfo* trackerInfo = (TrackerWindowInfo*)GetWindowLongA(hwnd, 0);
1810 * Get the current mouse position in screen coordinates.
1812 mousePos.x = LOWORD(lParam);
1813 mousePos.y = HIWORD(lParam);
1814 ClientToScreen(hwnd, &mousePos);
1817 * Track the movement of the mouse.
1819 OLEDD_TrackMouseMove(trackerInfo, mousePos, wParam);
1826 case WM_LBUTTONDOWN:
1827 case WM_MBUTTONDOWN:
1828 case WM_RBUTTONDOWN:
1830 TrackerWindowInfo* trackerInfo = (TrackerWindowInfo*)GetWindowLongA(hwnd, 0);
1834 * Get the current mouse position in screen coordinates.
1836 mousePos.x = LOWORD(lParam);
1837 mousePos.y = HIWORD(lParam);
1838 ClientToScreen(hwnd, &mousePos);
1841 * Notify everyone that the button state changed
1842 * TODO: Check if the "escape" key was pressed.
1844 OLEDD_TrackStateChange(trackerInfo, mousePos, wParam);
1851 * This is a window proc after all. Let's call the default.
1853 return DefWindowProcA (hwnd, uMsg, wParam, lParam);
1857 * OLEDD_TrackMouseMove()
1859 * This method is invoked while a drag and drop operation is in effect.
1860 * it will generate the appropriate callbacks in the drop source
1861 * and drop target. It will also provide the expected feedback to
1865 * trackerInfo - Pointer to the structure identifying the
1866 * drag & drop operation that is currently
1868 * mousePos - Current position of the mouse in screen
1870 * keyState - Contains the state of the shift keys and the
1871 * mouse buttons (MK_LBUTTON and the like)
1873 static void OLEDD_TrackMouseMove(
1874 TrackerWindowInfo* trackerInfo,
1878 HWND hwndNewTarget = 0;
1882 * Get the handle of the window under the mouse
1884 hwndNewTarget = WindowFromPoint(mousePos);
1887 * Every time, we re-initialize the effects passed to the
1888 * IDropTarget to the effects allowed by the source.
1890 *trackerInfo->pdwEffect = trackerInfo->dwOKEffect;
1893 * If we are hovering over the same target as before, send the
1894 * DragOver notification
1896 if ( (trackerInfo->curDragTarget != 0) &&
1897 (trackerInfo->curTargetHWND == hwndNewTarget) )
1899 POINTL mousePosParam;
1902 * The documentation tells me that the coordinate should be in the target
1903 * window's coordinate space. However, the tests I made tell me the
1904 * coordinates should be in screen coordinates.
1906 mousePosParam.x = mousePos.x;
1907 mousePosParam.y = mousePos.y;
1909 IDropTarget_DragOver(trackerInfo->curDragTarget,
1912 trackerInfo->pdwEffect);
1916 DropTargetNode* newDropTargetNode = 0;
1919 * If we changed window, we have to notify our old target and check for
1922 if (trackerInfo->curDragTarget!=0)
1924 IDropTarget_DragLeave(trackerInfo->curDragTarget);
1928 * Make sure we're hovering over a window.
1930 if (hwndNewTarget!=0)
1933 * Find-out if there is a drag target under the mouse
1935 HWND nexttar = hwndNewTarget;
1936 trackerInfo->curTargetHWND = hwndNewTarget;
1939 newDropTargetNode = OLEDD_FindDropTarget(nexttar);
1940 } while (!newDropTargetNode && (nexttar = GetParent(nexttar)) != 0);
1941 if(nexttar) hwndNewTarget = nexttar;
1943 trackerInfo->curDragTargetHWND = hwndNewTarget;
1944 trackerInfo->curDragTarget = newDropTargetNode ? newDropTargetNode->dropTarget : 0;
1947 * If there is, notify it that we just dragged-in
1949 if (trackerInfo->curDragTarget!=0)
1951 POINTL mousePosParam;
1954 * The documentation tells me that the coordinate should be in the target
1955 * window's coordinate space. However, the tests I made tell me the
1956 * coordinates should be in screen coordinates.
1958 mousePosParam.x = mousePos.x;
1959 mousePosParam.y = mousePos.y;
1961 IDropTarget_DragEnter(trackerInfo->curDragTarget,
1962 trackerInfo->dataObject,
1965 trackerInfo->pdwEffect);
1971 * The mouse is not over a window so we don't track anything.
1973 trackerInfo->curDragTargetHWND = 0;
1974 trackerInfo->curTargetHWND = 0;
1975 trackerInfo->curDragTarget = 0;
1980 * Now that we have done that, we have to tell the source to give
1981 * us feedback on the work being done by the target. If we don't
1982 * have a target, simulate no effect.
1984 if (trackerInfo->curDragTarget==0)
1986 *trackerInfo->pdwEffect = DROPEFFECT_NONE;
1989 hr = IDropSource_GiveFeedback(trackerInfo->dropSource,
1990 *trackerInfo->pdwEffect);
1993 * When we ask for feedback from the drop source, sometimes it will
1994 * do all the necessary work and sometimes it will not handle it
1995 * when that's the case, we must display the standard drag and drop
1998 if (hr==DRAGDROP_S_USEDEFAULTCURSORS)
2000 if (*trackerInfo->pdwEffect & DROPEFFECT_MOVE)
2002 SetCursor(LoadCursorA(OLE32_hInstance, MAKEINTRESOURCEA(1)));
2004 else if (*trackerInfo->pdwEffect & DROPEFFECT_COPY)
2006 SetCursor(LoadCursorA(OLE32_hInstance, MAKEINTRESOURCEA(2)));
2008 else if (*trackerInfo->pdwEffect & DROPEFFECT_LINK)
2010 SetCursor(LoadCursorA(OLE32_hInstance, MAKEINTRESOURCEA(3)));
2014 SetCursor(LoadCursorA(OLE32_hInstance, MAKEINTRESOURCEA(0)));
2020 * OLEDD_TrackStateChange()
2022 * This method is invoked while a drag and drop operation is in effect.
2023 * It is used to notify the drop target/drop source callbacks when
2024 * the state of the keyboard or mouse button change.
2027 * trackerInfo - Pointer to the structure identifying the
2028 * drag & drop operation that is currently
2030 * mousePos - Current position of the mouse in screen
2032 * keyState - Contains the state of the shift keys and the
2033 * mouse buttons (MK_LBUTTON and the like)
2035 static void OLEDD_TrackStateChange(
2036 TrackerWindowInfo* trackerInfo,
2041 * Ask the drop source what to do with the operation.
2043 trackerInfo->returnValue = IDropSource_QueryContinueDrag(
2044 trackerInfo->dropSource,
2045 trackerInfo->escPressed,
2049 * All the return valued will stop the operation except the S_OK
2052 if (trackerInfo->returnValue!=S_OK)
2055 * Make sure the message loop in DoDragDrop stops
2057 trackerInfo->trackingDone = TRUE;
2060 * Release the mouse in case the drop target decides to show a popup
2061 * or a menu or something.
2066 * If we end-up over a target, drop the object in the target or
2067 * inform the target that the operation was cancelled.
2069 if (trackerInfo->curDragTarget!=0)
2071 switch (trackerInfo->returnValue)
2074 * If the source wants us to complete the operation, we tell
2075 * the drop target that we just dropped the object in it.
2077 case DRAGDROP_S_DROP:
2079 POINTL mousePosParam;
2082 * The documentation tells me that the coordinate should be
2083 * in the target window's coordinate space. However, the tests
2084 * I made tell me the coordinates should be in screen coordinates.
2086 mousePosParam.x = mousePos.x;
2087 mousePosParam.y = mousePos.y;
2089 IDropTarget_Drop(trackerInfo->curDragTarget,
2090 trackerInfo->dataObject,
2093 trackerInfo->pdwEffect);
2097 * If the source told us that we should cancel, fool the drop
2098 * target by telling it that the mouse left it's window.
2099 * Also set the drop effect to "NONE" in case the application
2100 * ignores the result of DoDragDrop.
2102 case DRAGDROP_S_CANCEL:
2103 IDropTarget_DragLeave(trackerInfo->curDragTarget);
2104 *trackerInfo->pdwEffect = DROPEFFECT_NONE;
2112 * OLEDD_GetButtonState()
2114 * This method will use the current state of the keyboard to build
2115 * a button state mask equivalent to the one passed in the
2116 * WM_MOUSEMOVE wParam.
2118 static DWORD OLEDD_GetButtonState()
2120 BYTE keyboardState[256];
2123 GetKeyboardState(keyboardState);
2125 if ( (keyboardState[VK_SHIFT] & 0x80) !=0)
2126 keyMask |= MK_SHIFT;
2128 if ( (keyboardState[VK_CONTROL] & 0x80) !=0)
2129 keyMask |= MK_CONTROL;
2131 if ( (keyboardState[VK_LBUTTON] & 0x80) !=0)
2132 keyMask |= MK_LBUTTON;
2134 if ( (keyboardState[VK_RBUTTON] & 0x80) !=0)
2135 keyMask |= MK_RBUTTON;
2137 if ( (keyboardState[VK_MBUTTON] & 0x80) !=0)
2138 keyMask |= MK_MBUTTON;
2144 * OLEDD_GetButtonState()
2146 * This method will read the default value of the registry key in
2147 * parameter and extract a DWORD value from it. The registry key value
2148 * can be in a string key or a DWORD key.
2151 * regKey - Key to read the default value from
2152 * pdwValue - Pointer to the location where the DWORD
2153 * value is returned. This value is not modified
2154 * if the value is not found.
2157 static void OLEUTL_ReadRegistryDWORDValue(
2166 lres = RegQueryValueExA(regKey,
2173 if (lres==ERROR_SUCCESS)
2178 *pdwValue = *(DWORD*)buffer;
2183 *pdwValue = (DWORD)strtoul(buffer, NULL, 10);
2189 /******************************************************************************
2192 * The operation of this function is documented literally in the WinAPI
2193 * documentation to involve a QueryInterface for the IViewObject interface,
2194 * followed by a call to IViewObject::Draw.
2196 HRESULT WINAPI OleDraw(
2203 IViewObject *viewobject;
2205 hres = IUnknown_QueryInterface(pUnk,
2207 (void**)&viewobject);
2209 if (SUCCEEDED(hres))
2213 rectl.left = lprcBounds->left;
2214 rectl.right = lprcBounds->right;
2215 rectl.top = lprcBounds->top;
2216 rectl.bottom = lprcBounds->bottom;
2217 hres = IViewObject_Draw(viewobject, dwAspect, -1, 0, 0, 0, hdcDraw, &rectl, 0, 0, 0);
2219 IViewObject_Release(viewobject);
2224 return DV_E_NOIVIEWOBJECT;
2228 /***********************************************************************
2229 * OleTranslateAccelerator [OLE32.@]
2231 HRESULT WINAPI OleTranslateAccelerator (LPOLEINPLACEFRAME lpFrame,
2232 LPOLEINPLACEFRAMEINFO lpFrameInfo, LPMSG lpmsg)
2236 TRACE("(%p,%p,%p)\n", lpFrame, lpFrameInfo, lpmsg);
2238 if (IsAccelerator(lpFrameInfo->haccel,lpFrameInfo->cAccelEntries,lpmsg,&wID))
2239 return IOleInPlaceFrame_TranslateAccelerator(lpFrame,lpmsg,wID);
2244 /******************************************************************************
2245 * OleCreate [OLE32.@]
2248 HRESULT WINAPI OleCreate(
2252 LPFORMATETC pFormatEtc,
2253 LPOLECLIENTSITE pClientSite,
2257 HRESULT hres, hres1;
2258 IUnknown * pUnk = NULL;
2260 FIXME("\n\t%s\n\t%s semi-stub!\n", debugstr_guid(rclsid), debugstr_guid(riid));
2262 if (SUCCEEDED((hres = CoCreateInstance(rclsid, 0, CLSCTX_INPROC_SERVER|CLSCTX_INPROC_HANDLER|CLSCTX_LOCAL_SERVER , riid, (LPVOID*)&pUnk))))
2267 IPersistStorage * pPS;
2268 if (SUCCEEDED((hres = IUnknown_QueryInterface( pUnk, &IID_IOleObject, (LPVOID*)&pOE))))
2270 TRACE("trying to set clientsite %p\n", pClientSite);
2271 hres1 = IOleObject_SetClientSite(pOE, pClientSite);
2272 TRACE("-- result 0x%08lx\n", hres1);
2273 IOleObject_Release(pOE);
2275 if (SUCCEEDED((hres = IUnknown_QueryInterface( pUnk, &IID_IPersistStorage, (LPVOID*)&pPS))))
2277 TRACE("trying to set stg %p\n", pStg);
2278 hres1 = IPersistStorage_InitNew(pPS, pStg);
2279 TRACE("-- result 0x%08lx\n", hres1);
2280 IPersistStorage_Release(pPS);
2287 TRACE("-- %p \n", pUnk);
2291 /******************************************************************************
2292 * OleSetAutoConvert [OLE32.@]
2294 /* FIXME: convert to Unicode */
2295 HRESULT WINAPI OleSetAutoConvert(REFCLSID clsidOld, REFCLSID clsidNew)
2298 char buf[200], szClsidNew[200];
2301 TRACE("(%s,%s)\n", debugstr_guid(clsidOld), debugstr_guid(clsidNew));
2302 sprintf(buf,"CLSID\\");WINE_StringFromCLSID(clsidOld,&buf[6]);
2303 WINE_StringFromCLSID(clsidNew, szClsidNew);
2304 if (RegOpenKeyA(HKEY_CLASSES_ROOT,buf,&hkey))
2306 res = REGDB_E_CLASSNOTREG;
2309 if (RegSetValueA(hkey, "AutoConvertTo", REG_SZ, szClsidNew, strlen(szClsidNew)+1))
2311 res = REGDB_E_WRITEREGDB;
2316 if (hkey) RegCloseKey(hkey);
2320 /******************************************************************************
2321 * OleDoAutoConvert [OLE32.@]
2323 HRESULT WINAPI OleDoAutoConvert(IStorage *pStg, LPCLSID pClsidNew)
2325 FIXME("(%p,%p) : stub\n",pStg,pClsidNew);
2329 /***********************************************************************
2330 * OLE_FreeClipDataArray [internal]
2333 * frees the data associated with an array of CLIPDATAs
2335 static void OLE_FreeClipDataArray(ULONG count, CLIPDATA * pClipDataArray)
2338 for (i = 0; i < count; i++)
2339 if (pClipDataArray[i].pClipData)
2340 CoTaskMemFree(pClipDataArray[i].pClipData);
2343 /******************************************************************************
2344 * Check if a PROPVARIANT's type is valid.
2346 static inline HRESULT PROPVARIANT_ValidateType(VARTYPE vt)
2372 case VT_STREAMED_OBJECT:
2373 case VT_STORED_OBJECT:
2374 case VT_BLOB_OBJECT:
2377 case VT_I2|VT_VECTOR:
2378 case VT_I4|VT_VECTOR:
2379 case VT_R4|VT_VECTOR:
2380 case VT_R8|VT_VECTOR:
2381 case VT_CY|VT_VECTOR:
2382 case VT_DATE|VT_VECTOR:
2383 case VT_BSTR|VT_VECTOR:
2384 case VT_ERROR|VT_VECTOR:
2385 case VT_BOOL|VT_VECTOR:
2386 case VT_VARIANT|VT_VECTOR:
2387 case VT_UI1|VT_VECTOR:
2388 case VT_UI2|VT_VECTOR:
2389 case VT_UI4|VT_VECTOR:
2390 case VT_I8|VT_VECTOR:
2391 case VT_UI8|VT_VECTOR:
2392 case VT_LPSTR|VT_VECTOR:
2393 case VT_LPWSTR|VT_VECTOR:
2394 case VT_FILETIME|VT_VECTOR:
2395 case VT_CF|VT_VECTOR:
2396 case VT_CLSID|VT_VECTOR:
2399 WARN("Bad type %d\n", vt);
2400 return STG_E_INVALIDPARAMETER;
2403 /***********************************************************************
2404 * PropVariantClear [OLE32.@]
2406 HRESULT WINAPI PropVariantClear(PROPVARIANT * pvar) /* [in/out] */
2410 TRACE("(%p)\n", pvar);
2415 hr = PROPVARIANT_ValidateType(pvar->vt);
2422 case VT_STREAMED_OBJECT:
2424 case VT_STORED_OBJECT:
2425 if (pvar->u.pStream)
2426 IUnknown_Release(pvar->u.pStream);
2431 /* pick an arbitary typed pointer - we don't care about the type
2432 * as we are just freeing it */
2433 CoTaskMemFree(pvar->u.puuid);
2436 case VT_BLOB_OBJECT:
2437 CoTaskMemFree(pvar->u.blob.pBlobData);
2440 if (pvar->u.bstrVal)
2442 FIXME("Need to load OLEAUT32 for SysFreeString\n");
2443 /* SysFreeString(pvar->u.bstrVal); */
2447 if (pvar->u.pclipdata)
2449 OLE_FreeClipDataArray(1, pvar->u.pclipdata);
2450 CoTaskMemFree(pvar->u.pclipdata);
2454 switch (pvar->vt & ~VT_VECTOR)
2457 FreePropVariantArray(pvar->u.capropvar.cElems, pvar->u.capropvar.pElems);
2460 OLE_FreeClipDataArray(pvar->u.caclipdata.cElems, pvar->u.caclipdata.pElems);
2466 FIXME("Freeing of vector sub-type not supported yet\n");
2468 if (pvar->vt & ~VT_VECTOR)
2470 /* pick an arbitary VT_VECTOR structure - they all have the same
2472 CoTaskMemFree(pvar->u.capropvar.pElems);
2476 ZeroMemory(pvar, sizeof(*pvar));
2481 /***********************************************************************
2482 * PropVariantCopy [OLE32.@]
2484 HRESULT WINAPI PropVariantCopy(PROPVARIANT *pvarDest, /* [out] */
2485 const PROPVARIANT *pvarSrc) /* [in] */
2490 TRACE("(%p, %p)\n", pvarDest, pvarSrc);
2492 hr = PROPVARIANT_ValidateType(pvarSrc->vt);
2496 /* this will deal with most cases */
2497 CopyMemory(pvarDest, pvarSrc, sizeof(*pvarDest));
2502 case VT_STREAMED_OBJECT:
2504 case VT_STORED_OBJECT:
2505 IUnknown_AddRef((LPUNKNOWN)pvarDest->u.pStream);
2508 pvarDest->u.puuid = CoTaskMemAlloc(sizeof(CLSID));
2509 CopyMemory(pvarDest->u.puuid, pvarSrc->u.puuid, sizeof(CLSID));
2512 len = strlen(pvarSrc->u.pszVal);
2513 pvarDest->u.pszVal = CoTaskMemAlloc((len+1)*sizeof(CHAR));
2514 CopyMemory(pvarDest->u.pszVal, pvarSrc->u.pszVal, (len+1)*sizeof(CHAR));
2517 len = lstrlenW(pvarSrc->u.pwszVal);
2518 pvarDest->u.pwszVal = CoTaskMemAlloc((len+1)*sizeof(WCHAR));
2519 CopyMemory(pvarDest->u.pwszVal, pvarSrc->u.pwszVal, (len+1)*sizeof(WCHAR));
2522 case VT_BLOB_OBJECT:
2523 if (pvarSrc->u.blob.pBlobData)
2525 len = pvarSrc->u.blob.cbSize;
2526 pvarDest->u.blob.pBlobData = CoTaskMemAlloc(len);
2527 CopyMemory(pvarDest->u.blob.pBlobData, pvarSrc->u.blob.pBlobData, len);
2531 FIXME("Need to copy BSTR\n");
2534 if (pvarSrc->u.pclipdata)
2536 len = pvarSrc->u.pclipdata->cbSize - sizeof(pvarSrc->u.pclipdata->ulClipFmt);
2537 CoTaskMemAlloc(len);
2538 CopyMemory(pvarDest->u.pclipdata->pClipData, pvarSrc->u.pclipdata->pClipData, len);
2542 if (pvarSrc->vt & VT_VECTOR)
2545 switch(pvarSrc->vt & VT_VECTOR)
2547 case VT_I1: elemSize = sizeof(pvarSrc->u.cVal); break;
2548 case VT_UI1: elemSize = sizeof(pvarSrc->u.bVal); break;
2549 case VT_I2: elemSize = sizeof(pvarSrc->u.iVal); break;
2550 case VT_UI2: elemSize = sizeof(pvarSrc->u.uiVal); break;
2551 case VT_BOOL: elemSize = sizeof(pvarSrc->u.boolVal); break;
2552 case VT_I4: elemSize = sizeof(pvarSrc->u.lVal); break;
2553 case VT_UI4: elemSize = sizeof(pvarSrc->u.ulVal); break;
2554 case VT_R4: elemSize = sizeof(pvarSrc->u.fltVal); break;
2555 case VT_R8: elemSize = sizeof(pvarSrc->u.dblVal); break;
2556 case VT_ERROR: elemSize = sizeof(pvarSrc->u.scode); break;
2557 case VT_I8: elemSize = sizeof(pvarSrc->u.hVal); break;
2558 case VT_UI8: elemSize = sizeof(pvarSrc->u.uhVal); break;
2559 case VT_CY: elemSize = sizeof(pvarSrc->u.cyVal); break;
2560 case VT_DATE: elemSize = sizeof(pvarSrc->u.date); break;
2561 case VT_FILETIME: elemSize = sizeof(pvarSrc->u.filetime); break;
2562 case VT_CLSID: elemSize = sizeof(*pvarSrc->u.puuid); break;
2563 case VT_CF: elemSize = sizeof(*pvarSrc->u.pclipdata); break;
2570 FIXME("Invalid element type: %ul\n", pvarSrc->vt & VT_VECTOR);
2571 return E_INVALIDARG;
2573 len = pvarSrc->u.capropvar.cElems;
2574 pvarDest->u.capropvar.pElems = CoTaskMemAlloc(len * elemSize);
2575 if (pvarSrc->vt == (VT_VECTOR | VT_VARIANT))
2578 for (i = 0; i < len; i++)
2579 PropVariantCopy(&pvarDest->u.capropvar.pElems[i], &pvarSrc->u.capropvar.pElems[i]);
2581 else if (pvarSrc->vt == (VT_VECTOR | VT_CF))
2583 FIXME("Copy clipformats\n");
2585 else if (pvarSrc->vt == (VT_VECTOR | VT_BSTR))
2587 FIXME("Copy BSTRs\n");
2589 else if (pvarSrc->vt == (VT_VECTOR | VT_LPSTR))
2591 FIXME("Copy LPSTRs\n");
2593 else if (pvarSrc->vt == (VT_VECTOR | VT_LPSTR))
2595 FIXME("Copy LPWSTRs\n");
2598 CopyMemory(pvarDest->u.capropvar.pElems, pvarSrc->u.capropvar.pElems, len * elemSize);
2605 /***********************************************************************
2606 * FreePropVariantArray [OLE32.@]
2608 HRESULT WINAPI FreePropVariantArray(ULONG cVariants, /* [in] */
2609 PROPVARIANT *rgvars) /* [in/out] */
2613 TRACE("(%lu, %p)\n", cVariants, rgvars);
2615 for(i = 0; i < cVariants; i++)
2616 PropVariantClear(&rgvars[i]);
2621 /******************************************************************************
2622 * DllDebugObjectRPCHook (OLE32.@)
2623 * turns on and off internal debugging, pointer is only used on macintosh
2626 BOOL WINAPI DllDebugObjectRPCHook(BOOL b, void *dummy)