5 * Copyright 1995 Martin von Loewis
6 * Copyright 1999 Francis Beaudet
7 * Copyright 1999 Noel Borthwick
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
32 #define NONAMELESSUNION
33 #define NONAMELESSSTRUCT
46 #include "wine/winbase16.h"
47 #include "wine/wingdi16.h"
48 #include "wine/winuser16.h"
49 #include "ole32_main.h"
51 #include "wine/debug.h"
53 WINE_DEFAULT_DEBUG_CHANNEL(ole
);
54 WINE_DECLARE_DEBUG_CHANNEL(accel
);
56 #define HICON_16(h32) (LOWORD(h32))
57 #define HICON_32(h16) ((HICON)(ULONG_PTR)(h16))
58 #define HINSTANCE_32(h16) ((HINSTANCE)(ULONG_PTR)(h16))
60 /******************************************************************************
61 * These are static/global variables and internal data structures that the
62 * OLE module uses to maintain it's state.
64 typedef struct tagDropTargetNode
67 IDropTarget
* dropTarget
;
68 struct tagDropTargetNode
* prevDropTarget
;
69 struct tagDropTargetNode
* nextDropTarget
;
72 typedef struct tagTrackerWindowInfo
74 IDataObject
* dataObject
;
75 IDropSource
* dropSource
;
82 HWND curTargetHWND
; /* window the mouse is hovering over */
83 HWND curDragTargetHWND
; /* might be a ancestor of curTargetHWND */
84 IDropTarget
* curDragTarget
;
87 typedef struct tagOleMenuDescriptor
/* OleMenuDescriptor */
89 HWND hwndFrame
; /* The containers frame window */
90 HWND hwndActiveObject
; /* The active objects window */
91 OLEMENUGROUPWIDTHS mgw
; /* OLE menu group widths for the shared menu */
92 HMENU hmenuCombined
; /* The combined menu */
93 BOOL bIsServerItem
; /* True if the currently open popup belongs to the server */
96 typedef struct tagOleMenuHookItem
/* OleMenu hook item in per thread hook list */
98 DWORD tid
; /* Thread Id */
99 HANDLE hHeap
; /* Heap this is allocated from */
100 HHOOK GetMsg_hHook
; /* message hook for WH_GETMESSAGE */
101 HHOOK CallWndProc_hHook
; /* message hook for WH_CALLWNDPROC */
102 struct tagOleMenuHookItem
*next
;
105 static OleMenuHookItem
*hook_list
;
108 * This is the lock count on the OLE library. It is controlled by the
109 * OLEInitialize/OLEUninitialize methods.
111 static ULONG OLE_moduleLockCount
= 0;
114 * Name of our registered window class.
116 static const char OLEDD_DRAGTRACKERCLASS
[] = "WineDragDropTracker32";
119 * This is the head of the Drop target container.
121 static DropTargetNode
* targetListHead
= NULL
;
123 /******************************************************************************
124 * These are the prototypes of miscelaneous utility methods
126 static void OLEUTL_ReadRegistryDWORDValue(HKEY regKey
, DWORD
* pdwValue
);
128 /******************************************************************************
129 * These are the prototypes of the utility methods used to manage a shared menu
131 static void OLEMenu_Initialize();
132 static void OLEMenu_UnInitialize();
133 BOOL
OLEMenu_InstallHooks( DWORD tid
);
134 BOOL
OLEMenu_UnInstallHooks( DWORD tid
);
135 OleMenuHookItem
* OLEMenu_IsHookInstalled( DWORD tid
);
136 static BOOL
OLEMenu_FindMainMenuIndex( HMENU hMainMenu
, HMENU hPopupMenu
, UINT
*pnPos
);
137 BOOL
OLEMenu_SetIsServerMenu( HMENU hmenu
, OleMenuDescriptor
*pOleMenuDescriptor
);
138 LRESULT CALLBACK
OLEMenu_CallWndProc(INT code
, WPARAM wParam
, LPARAM lParam
);
139 LRESULT CALLBACK
OLEMenu_GetMsgProc(INT code
, WPARAM wParam
, LPARAM lParam
);
141 /******************************************************************************
142 * These are the prototypes of the OLE Clipboard initialization methods (in clipboard.c)
144 void OLEClipbrd_UnInitialize();
145 void OLEClipbrd_Initialize();
147 /******************************************************************************
148 * These are the prototypes of the utility methods used for OLE Drag n Drop
150 static void OLEDD_Initialize();
151 static void OLEDD_UnInitialize();
152 static void OLEDD_InsertDropTarget(
153 DropTargetNode
* nodeToAdd
);
154 static DropTargetNode
* OLEDD_ExtractDropTarget(
156 static DropTargetNode
* OLEDD_FindDropTarget(
158 static LRESULT WINAPI
OLEDD_DragTrackerWindowProc(
163 static void OLEDD_TrackMouseMove(
164 TrackerWindowInfo
* trackerInfo
,
167 static void OLEDD_TrackStateChange(
168 TrackerWindowInfo
* trackerInfo
,
171 static DWORD
OLEDD_GetButtonState();
174 /******************************************************************************
175 * OleBuildVersion [OLE2.1]
176 * OleBuildVersion [OLE32.@]
178 DWORD WINAPI
OleBuildVersion(void)
180 TRACE("Returning version %d, build %d.\n", rmm
, rup
);
181 return (rmm
<<16)+rup
;
184 /***********************************************************************
185 * OleInitialize (OLE2.2)
186 * OleInitialize (OLE32.@)
188 HRESULT WINAPI
OleInitialize(LPVOID reserved
)
192 TRACE("(%p)\n", reserved
);
195 * The first duty of the OleInitialize is to initialize the COM libraries.
197 hr
= CoInitializeEx(NULL
, COINIT_APARTMENTTHREADED
);
200 * If the CoInitializeEx call failed, the OLE libraries can't be
207 * Then, it has to initialize the OLE specific modules.
211 * Object linking and Embedding
212 * In-place activation
214 if (OLE_moduleLockCount
==0)
217 * Initialize the libraries.
219 TRACE("() - Initializing the OLE libraries\n");
224 OLEClipbrd_Initialize();
234 OLEMenu_Initialize();
238 * Then, we increase the lock count on the OLE module.
240 OLE_moduleLockCount
++;
245 /******************************************************************************
246 * CoGetCurrentProcess [COMPOBJ.34]
247 * CoGetCurrentProcess [OLE32.@]
250 * Is DWORD really the correct return type for this function?
252 DWORD WINAPI
CoGetCurrentProcess(void)
254 return GetCurrentProcessId();
257 /******************************************************************************
258 * OleUninitialize [OLE2.3]
259 * OleUninitialize [OLE32.@]
261 void WINAPI
OleUninitialize(void)
266 * Decrease the lock count on the OLE module.
268 OLE_moduleLockCount
--;
271 * If we hit the bottom of the lock stack, free the libraries.
273 if (OLE_moduleLockCount
==0)
276 * Actually free the libraries.
278 TRACE("() - Freeing the last reference count\n");
283 OLEClipbrd_UnInitialize();
288 OLEDD_UnInitialize();
293 OLEMenu_UnInitialize();
297 * Then, uninitialize the COM libraries.
302 /******************************************************************************
303 * CoRegisterMessageFilter [OLE32.@]
305 HRESULT WINAPI
CoRegisterMessageFilter(
306 LPMESSAGEFILTER lpMessageFilter
, /* [in] Pointer to interface */
307 LPMESSAGEFILTER
*lplpMessageFilter
/* [out] Indirect pointer to prior instance if non-NULL */
310 if (lplpMessageFilter
) {
311 *lplpMessageFilter
= NULL
;
316 /******************************************************************************
317 * OleInitializeWOW [OLE32.@]
319 HRESULT WINAPI
OleInitializeWOW(DWORD x
) {
320 FIXME("(0x%08lx),stub!\n",x
);
324 /***********************************************************************
325 * RegisterDragDrop (OLE32.@)
327 HRESULT WINAPI
RegisterDragDrop(
329 LPDROPTARGET pDropTarget
)
331 DropTargetNode
* dropTargetInfo
;
333 TRACE("(%p,%p)\n", hwnd
, pDropTarget
);
339 * First, check if the window is already registered.
341 dropTargetInfo
= OLEDD_FindDropTarget(hwnd
);
343 if (dropTargetInfo
!=NULL
)
344 return DRAGDROP_E_ALREADYREGISTERED
;
347 * If it's not there, we can add it. We first create a node for it.
349 dropTargetInfo
= HeapAlloc(GetProcessHeap(), 0, sizeof(DropTargetNode
));
351 if (dropTargetInfo
==NULL
)
352 return E_OUTOFMEMORY
;
354 dropTargetInfo
->hwndTarget
= hwnd
;
355 dropTargetInfo
->prevDropTarget
= NULL
;
356 dropTargetInfo
->nextDropTarget
= NULL
;
359 * Don't forget that this is an interface pointer, need to nail it down since
360 * we keep a copy of it.
362 dropTargetInfo
->dropTarget
= pDropTarget
;
363 IDropTarget_AddRef(dropTargetInfo
->dropTarget
);
365 OLEDD_InsertDropTarget(dropTargetInfo
);
370 /***********************************************************************
371 * RevokeDragDrop (OLE32.@)
373 HRESULT WINAPI
RevokeDragDrop(
376 DropTargetNode
* dropTargetInfo
;
378 TRACE("(%p)\n", hwnd
);
381 * First, check if the window is already registered.
383 dropTargetInfo
= OLEDD_ExtractDropTarget(hwnd
);
386 * If it ain't in there, it's an error.
388 if (dropTargetInfo
==NULL
)
389 return DRAGDROP_E_NOTREGISTERED
;
392 * If it's in there, clean-up it's used memory and
395 IDropTarget_Release(dropTargetInfo
->dropTarget
);
396 HeapFree(GetProcessHeap(), 0, dropTargetInfo
);
401 /***********************************************************************
402 * OleRegGetUserType (OLE32.@)
404 * This implementation of OleRegGetUserType ignores the dwFormOfType
405 * parameter and always returns the full name of the object. This is
406 * not too bad since this is the case for many objects because of the
407 * way they are registered.
409 HRESULT WINAPI
OleRegGetUserType(
412 LPOLESTR
* pszUserType
)
422 * Initialize the out parameter.
427 * Build the key name we're looking for
429 sprintf( keyName
, "CLSID\\{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}\\",
430 clsid
->Data1
, clsid
->Data2
, clsid
->Data3
,
431 clsid
->Data4
[0], clsid
->Data4
[1], clsid
->Data4
[2], clsid
->Data4
[3],
432 clsid
->Data4
[4], clsid
->Data4
[5], clsid
->Data4
[6], clsid
->Data4
[7] );
434 TRACE("(%s, %ld, %p)\n", keyName
, dwFormOfType
, pszUserType
);
437 * Open the class id Key
439 hres
= RegOpenKeyA(HKEY_CLASSES_ROOT
,
443 if (hres
!= ERROR_SUCCESS
)
444 return REGDB_E_CLASSNOTREG
;
447 * Retrieve the size of the name string.
451 hres
= RegQueryValueExA(clsidKey
,
458 if (hres
!=ERROR_SUCCESS
)
460 RegCloseKey(clsidKey
);
461 return REGDB_E_READREGDB
;
465 * Allocate a buffer for the registry value.
467 *pszUserType
= CoTaskMemAlloc(cbData
*2);
469 if (*pszUserType
==NULL
)
471 RegCloseKey(clsidKey
);
472 return E_OUTOFMEMORY
;
475 buffer
= HeapAlloc(GetProcessHeap(), 0, cbData
);
479 RegCloseKey(clsidKey
);
480 CoTaskMemFree(*pszUserType
);
482 return E_OUTOFMEMORY
;
485 hres
= RegQueryValueExA(clsidKey
,
492 RegCloseKey(clsidKey
);
495 if (hres
!=ERROR_SUCCESS
)
497 CoTaskMemFree(*pszUserType
);
500 retVal
= REGDB_E_READREGDB
;
504 MultiByteToWideChar( CP_ACP
, 0, buffer
, -1, *pszUserType
, cbData
/*FIXME*/ );
507 HeapFree(GetProcessHeap(), 0, buffer
);
512 /***********************************************************************
513 * DoDragDrop [OLE32.@]
515 HRESULT WINAPI
DoDragDrop (
516 IDataObject
*pDataObject
, /* [in] ptr to the data obj */
517 IDropSource
* pDropSource
, /* [in] ptr to the source obj */
518 DWORD dwOKEffect
, /* [in] effects allowed by the source */
519 DWORD
*pdwEffect
) /* [out] ptr to effects of the source */
521 TrackerWindowInfo trackerInfo
;
522 HWND hwndTrackWindow
;
525 TRACE("(DataObject %p, DropSource %p)\n", pDataObject
, pDropSource
);
528 * Setup the drag n drop tracking window.
530 if (!IsValidInterface((LPUNKNOWN
)pDropSource
))
533 trackerInfo
.dataObject
= pDataObject
;
534 trackerInfo
.dropSource
= pDropSource
;
535 trackerInfo
.dwOKEffect
= dwOKEffect
;
536 trackerInfo
.pdwEffect
= pdwEffect
;
537 trackerInfo
.trackingDone
= FALSE
;
538 trackerInfo
.escPressed
= FALSE
;
539 trackerInfo
.curDragTargetHWND
= 0;
540 trackerInfo
.curTargetHWND
= 0;
541 trackerInfo
.curDragTarget
= 0;
543 hwndTrackWindow
= CreateWindowA(OLEDD_DRAGTRACKERCLASS
,
546 CW_USEDEFAULT
, CW_USEDEFAULT
,
547 CW_USEDEFAULT
, CW_USEDEFAULT
,
551 (LPVOID
)&trackerInfo
);
553 if (hwndTrackWindow
!=0)
556 * Capture the mouse input
558 SetCapture(hwndTrackWindow
);
561 * Pump messages. All mouse input should go the the capture window.
563 while (!trackerInfo
.trackingDone
&& GetMessageA(&msg
, 0, 0, 0) )
565 if ( (msg
.message
>= WM_KEYFIRST
) &&
566 (msg
.message
<= WM_KEYLAST
) )
569 * When keyboard messages are sent to windows on this thread, we
570 * want to ignore notify the drop source that the state changed.
571 * in the case of the Escape key, we also notify the drop source
572 * we give it a special meaning.
574 if ( (msg
.message
==WM_KEYDOWN
) &&
575 (msg
.wParam
==VK_ESCAPE
) )
577 trackerInfo
.escPressed
= TRUE
;
581 * Notify the drop source.
583 OLEDD_TrackStateChange(&trackerInfo
,
585 OLEDD_GetButtonState());
590 * Dispatch the messages only when it's not a keyboard message.
592 DispatchMessageA(&msg
);
597 * Destroy the temporary window.
599 DestroyWindow(hwndTrackWindow
);
601 return trackerInfo
.returnValue
;
607 /***********************************************************************
608 * OleQueryLinkFromData [OLE32.@]
610 HRESULT WINAPI
OleQueryLinkFromData(
611 IDataObject
* pSrcDataObject
)
613 FIXME("(%p),stub!\n", pSrcDataObject
);
617 /***********************************************************************
618 * OleRegGetMiscStatus [OLE32.@]
620 HRESULT WINAPI
OleRegGetMiscStatus(
632 * Initialize the out parameter.
637 * Build the key name we're looking for
639 sprintf( keyName
, "CLSID\\{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}\\",
640 clsid
->Data1
, clsid
->Data2
, clsid
->Data3
,
641 clsid
->Data4
[0], clsid
->Data4
[1], clsid
->Data4
[2], clsid
->Data4
[3],
642 clsid
->Data4
[4], clsid
->Data4
[5], clsid
->Data4
[6], clsid
->Data4
[7] );
644 TRACE("(%s, %ld, %p)\n", keyName
, dwAspect
, pdwStatus
);
647 * Open the class id Key
649 result
= RegOpenKeyA(HKEY_CLASSES_ROOT
,
653 if (result
!= ERROR_SUCCESS
)
654 return REGDB_E_CLASSNOTREG
;
659 result
= RegOpenKeyA(clsidKey
,
664 if (result
!= ERROR_SUCCESS
)
666 RegCloseKey(clsidKey
);
667 return REGDB_E_READREGDB
;
671 * Read the default value
673 OLEUTL_ReadRegistryDWORDValue(miscStatusKey
, pdwStatus
);
676 * Open the key specific to the requested aspect.
678 sprintf(keyName
, "%ld", dwAspect
);
680 result
= RegOpenKeyA(miscStatusKey
,
684 if (result
== ERROR_SUCCESS
)
686 OLEUTL_ReadRegistryDWORDValue(aspectKey
, pdwStatus
);
687 RegCloseKey(aspectKey
);
693 RegCloseKey(miscStatusKey
);
694 RegCloseKey(clsidKey
);
699 /******************************************************************************
700 * OleSetContainedObject [OLE32.@]
702 HRESULT WINAPI
OleSetContainedObject(
706 IRunnableObject
* runnable
= NULL
;
709 TRACE("(%p,%x), stub!\n", pUnknown
, fContained
);
711 hres
= IUnknown_QueryInterface(pUnknown
,
712 &IID_IRunnableObject
,
717 hres
= IRunnableObject_SetContainedObject(runnable
, fContained
);
719 IRunnableObject_Release(runnable
);
727 /******************************************************************************
730 HRESULT WINAPI
OleLoad(
733 LPOLECLIENTSITE pClientSite
,
736 IPersistStorage
* persistStorage
= NULL
;
737 IOleObject
* oleObject
= NULL
;
741 TRACE("(%p,%p,%p,%p)\n", pStg
, riid
, pClientSite
, ppvObj
);
744 * TODO, Conversion ... OleDoAutoConvert
748 * Get the class ID for the object.
750 hres
= IStorage_Stat(pStg
, &storageInfo
, STATFLAG_NONAME
);
753 * Now, try and create the handler for the object
755 hres
= CoCreateInstance(&storageInfo
.clsid
,
757 CLSCTX_INPROC_HANDLER
,
762 * If that fails, as it will most times, load the default
767 hres
= OleCreateDefaultHandler(&storageInfo
.clsid
,
774 * If we couldn't find a handler... this is bad. Abort the whole thing.
780 * Inform the new object of it's client site.
782 hres
= IOleObject_SetClientSite(oleObject
, pClientSite
);
785 * Initialize the object with it's IPersistStorage interface.
787 hres
= IOleObject_QueryInterface(oleObject
,
788 &IID_IPersistStorage
,
789 (void**)&persistStorage
);
793 IPersistStorage_Load(persistStorage
, pStg
);
795 IPersistStorage_Release(persistStorage
);
796 persistStorage
= NULL
;
800 * Return the requested interface to the caller.
802 hres
= IOleObject_QueryInterface(oleObject
, riid
, ppvObj
);
805 * Cleanup interfaces used internally
807 IOleObject_Release(oleObject
);
812 /***********************************************************************
815 HRESULT WINAPI
OleSave(
816 LPPERSISTSTORAGE pPS
,
823 TRACE("(%p,%p,%x)\n", pPS
, pStg
, fSameAsLoad
);
826 * First, we transfer the class ID (if available)
828 hres
= IPersistStorage_GetClassID(pPS
, &objectClass
);
832 WriteClassStg(pStg
, &objectClass
);
836 * Then, we ask the object to save itself to the
837 * storage. If it is successful, we commit the storage.
839 hres
= IPersistStorage_Save(pPS
, pStg
, fSameAsLoad
);
843 IStorage_Commit(pStg
,
851 /******************************************************************************
852 * OleLockRunning [OLE32.@]
854 HRESULT WINAPI
OleLockRunning(LPUNKNOWN pUnknown
, BOOL fLock
, BOOL fLastUnlockCloses
)
856 IRunnableObject
* runnable
= NULL
;
859 TRACE("(%p,%x,%x)\n", pUnknown
, fLock
, fLastUnlockCloses
);
861 hres
= IUnknown_QueryInterface(pUnknown
,
862 &IID_IRunnableObject
,
867 hres
= IRunnableObject_LockRunning(runnable
, fLock
, fLastUnlockCloses
);
869 IRunnableObject_Release(runnable
);
878 /**************************************************************************
879 * Internal methods to manage the shared OLE menu in response to the
880 * OLE***MenuDescriptor API
884 * OLEMenu_Initialize()
886 * Initializes the OLEMENU data structures.
888 static void OLEMenu_Initialize()
893 * OLEMenu_UnInitialize()
895 * Releases the OLEMENU data structures.
897 static void OLEMenu_UnInitialize()
901 /*************************************************************************
902 * OLEMenu_InstallHooks
903 * Install thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC
905 * RETURNS: TRUE if message hooks were successfully installed
908 BOOL
OLEMenu_InstallHooks( DWORD tid
)
910 OleMenuHookItem
*pHookItem
= NULL
;
912 /* Create an entry for the hook table */
913 if ( !(pHookItem
= HeapAlloc(GetProcessHeap(), 0,
914 sizeof(OleMenuHookItem
)) ) )
917 pHookItem
->tid
= tid
;
918 pHookItem
->hHeap
= GetProcessHeap();
920 /* Install a thread scope message hook for WH_GETMESSAGE */
921 pHookItem
->GetMsg_hHook
= SetWindowsHookExA( WH_GETMESSAGE
, OLEMenu_GetMsgProc
,
922 0, GetCurrentThreadId() );
923 if ( !pHookItem
->GetMsg_hHook
)
926 /* Install a thread scope message hook for WH_CALLWNDPROC */
927 pHookItem
->CallWndProc_hHook
= SetWindowsHookExA( WH_CALLWNDPROC
, OLEMenu_CallWndProc
,
928 0, GetCurrentThreadId() );
929 if ( !pHookItem
->CallWndProc_hHook
)
932 /* Insert the hook table entry */
933 pHookItem
->next
= hook_list
;
934 hook_list
= pHookItem
;
939 /* Unhook any hooks */
940 if ( pHookItem
->GetMsg_hHook
)
941 UnhookWindowsHookEx( pHookItem
->GetMsg_hHook
);
942 if ( pHookItem
->CallWndProc_hHook
)
943 UnhookWindowsHookEx( pHookItem
->CallWndProc_hHook
);
944 /* Release the hook table entry */
945 HeapFree(pHookItem
->hHeap
, 0, pHookItem
);
950 /*************************************************************************
951 * OLEMenu_UnInstallHooks
952 * UnInstall thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC
954 * RETURNS: TRUE if message hooks were successfully installed
957 BOOL
OLEMenu_UnInstallHooks( DWORD tid
)
959 OleMenuHookItem
*pHookItem
= NULL
;
960 OleMenuHookItem
**ppHook
= &hook_list
;
964 if ((*ppHook
)->tid
== tid
)
967 *ppHook
= pHookItem
->next
;
970 ppHook
= &(*ppHook
)->next
;
972 if (!pHookItem
) return FALSE
;
974 /* Uninstall the hooks installed for this thread */
975 if ( !UnhookWindowsHookEx( pHookItem
->GetMsg_hHook
) )
977 if ( !UnhookWindowsHookEx( pHookItem
->CallWndProc_hHook
) )
980 /* Release the hook table entry */
981 HeapFree(pHookItem
->hHeap
, 0, pHookItem
);
986 /* Release the hook table entry */
988 HeapFree(pHookItem
->hHeap
, 0, pHookItem
);
993 /*************************************************************************
994 * OLEMenu_IsHookInstalled
995 * Tests if OLEMenu hooks have been installed for a thread
997 * RETURNS: The pointer and index of the hook table entry for the tid
998 * NULL and -1 for the index if no hooks were installed for this thread
1000 OleMenuHookItem
* OLEMenu_IsHookInstalled( DWORD tid
)
1002 OleMenuHookItem
*pHookItem
= NULL
;
1004 /* Do a simple linear search for an entry whose tid matches ours.
1005 * We really need a map but efficiency is not a concern here. */
1006 for (pHookItem
= hook_list
; pHookItem
; pHookItem
= pHookItem
->next
)
1008 if ( tid
== pHookItem
->tid
)
1015 /***********************************************************************
1016 * OLEMenu_FindMainMenuIndex
1018 * Used by OLEMenu API to find the top level group a menu item belongs to.
1019 * On success pnPos contains the index of the item in the top level menu group
1021 * RETURNS: TRUE if the ID was found, FALSE on failure
1023 static BOOL
OLEMenu_FindMainMenuIndex( HMENU hMainMenu
, HMENU hPopupMenu
, UINT
*pnPos
)
1027 nItems
= GetMenuItemCount( hMainMenu
);
1029 for (i
= 0; i
< nItems
; i
++)
1033 /* Is the current item a submenu? */
1034 if ( (hsubmenu
= GetSubMenu(hMainMenu
, i
)) )
1036 /* If the handle is the same we're done */
1037 if ( hsubmenu
== hPopupMenu
)
1043 /* Recursively search without updating pnPos */
1044 else if ( OLEMenu_FindMainMenuIndex( hsubmenu
, hPopupMenu
, NULL
) )
1056 /***********************************************************************
1057 * OLEMenu_SetIsServerMenu
1059 * Checks whether a popup menu belongs to a shared menu group which is
1060 * owned by the server, and sets the menu descriptor state accordingly.
1061 * All menu messages from these groups should be routed to the server.
1063 * RETURNS: TRUE if the popup menu is part of a server owned group
1064 * FASE if the popup menu is part of a container owned group
1066 BOOL
OLEMenu_SetIsServerMenu( HMENU hmenu
, OleMenuDescriptor
*pOleMenuDescriptor
)
1068 UINT nPos
= 0, nWidth
, i
;
1070 pOleMenuDescriptor
->bIsServerItem
= FALSE
;
1072 /* Don't bother searching if the popup is the combined menu itself */
1073 if ( hmenu
== pOleMenuDescriptor
->hmenuCombined
)
1076 /* Find the menu item index in the shared OLE menu that this item belongs to */
1077 if ( !OLEMenu_FindMainMenuIndex( pOleMenuDescriptor
->hmenuCombined
, hmenu
, &nPos
) )
1080 /* The group widths array has counts for the number of elements
1081 * in the groups File, Edit, Container, Object, Window, Help.
1082 * The Edit, Object & Help groups belong to the server object
1083 * and the other three belong to the container.
1084 * Loop through the group widths and locate the group we are a member of.
1086 for ( i
= 0, nWidth
= 0; i
< 6; i
++ )
1088 nWidth
+= pOleMenuDescriptor
->mgw
.width
[i
];
1089 if ( nPos
< nWidth
)
1091 /* Odd elements are server menu widths */
1092 pOleMenuDescriptor
->bIsServerItem
= (i
%2) ? TRUE
: FALSE
;
1097 return pOleMenuDescriptor
->bIsServerItem
;
1100 /*************************************************************************
1101 * OLEMenu_CallWndProc
1102 * Thread scope WH_CALLWNDPROC hook proc filter function (callback)
1103 * This is invoked from a message hook installed in OleSetMenuDescriptor.
1105 LRESULT CALLBACK
OLEMenu_CallWndProc(INT code
, WPARAM wParam
, LPARAM lParam
)
1107 LPCWPSTRUCT pMsg
= NULL
;
1108 HOLEMENU hOleMenu
= 0;
1109 OleMenuDescriptor
*pOleMenuDescriptor
= NULL
;
1110 OleMenuHookItem
*pHookItem
= NULL
;
1113 TRACE("%i, %04x, %08x\n", code
, wParam
, (unsigned)lParam
);
1115 /* Check if we're being asked to process the message */
1116 if ( HC_ACTION
!= code
)
1119 /* Retrieve the current message being dispatched from lParam */
1120 pMsg
= (LPCWPSTRUCT
)lParam
;
1122 /* Check if the message is destined for a window we are interested in:
1123 * If the window has an OLEMenu property we may need to dispatch
1124 * the menu message to its active objects window instead. */
1126 hOleMenu
= (HOLEMENU
)GetPropA( pMsg
->hwnd
, "PROP_OLEMenuDescriptor" );
1130 /* Get the menu descriptor */
1131 pOleMenuDescriptor
= (OleMenuDescriptor
*) GlobalLock( hOleMenu
);
1132 if ( !pOleMenuDescriptor
) /* Bad descriptor! */
1135 /* Process menu messages */
1136 switch( pMsg
->message
)
1140 /* Reset the menu descriptor state */
1141 pOleMenuDescriptor
->bIsServerItem
= FALSE
;
1143 /* Send this message to the server as well */
1144 SendMessageA( pOleMenuDescriptor
->hwndActiveObject
,
1145 pMsg
->message
, pMsg
->wParam
, pMsg
->lParam
);
1149 case WM_INITMENUPOPUP
:
1151 /* Save the state for whether this is a server owned menu */
1152 OLEMenu_SetIsServerMenu( (HMENU
)pMsg
->wParam
, pOleMenuDescriptor
);
1158 fuFlags
= HIWORD(pMsg
->wParam
); /* Get flags */
1159 if ( fuFlags
& MF_SYSMENU
)
1162 /* Save the state for whether this is a server owned popup menu */
1163 else if ( fuFlags
& MF_POPUP
)
1164 OLEMenu_SetIsServerMenu( (HMENU
)pMsg
->lParam
, pOleMenuDescriptor
);
1171 LPDRAWITEMSTRUCT lpdis
= (LPDRAWITEMSTRUCT
) pMsg
->lParam
;
1172 if ( pMsg
->wParam
!= 0 || lpdis
->CtlType
!= ODT_MENU
)
1173 goto NEXTHOOK
; /* Not a menu message */
1182 /* If the message was for the server dispatch it accordingly */
1183 if ( pOleMenuDescriptor
->bIsServerItem
)
1185 SendMessageA( pOleMenuDescriptor
->hwndActiveObject
,
1186 pMsg
->message
, pMsg
->wParam
, pMsg
->lParam
);
1190 if ( pOleMenuDescriptor
)
1191 GlobalUnlock( hOleMenu
);
1193 /* Lookup the hook item for the current thread */
1194 if ( !( pHookItem
= OLEMenu_IsHookInstalled( GetCurrentThreadId() ) ) )
1196 /* This should never fail!! */
1197 WARN("could not retrieve hHook for current thread!\n" );
1201 /* Pass on the message to the next hooker */
1202 return CallNextHookEx( pHookItem
->CallWndProc_hHook
, code
, wParam
, lParam
);
1205 /*************************************************************************
1206 * OLEMenu_GetMsgProc
1207 * Thread scope WH_GETMESSAGE hook proc filter function (callback)
1208 * This is invoked from a message hook installed in OleSetMenuDescriptor.
1210 LRESULT CALLBACK
OLEMenu_GetMsgProc(INT code
, WPARAM wParam
, LPARAM lParam
)
1213 HOLEMENU hOleMenu
= 0;
1214 OleMenuDescriptor
*pOleMenuDescriptor
= NULL
;
1215 OleMenuHookItem
*pHookItem
= NULL
;
1218 TRACE("%i, %04x, %08x\n", code
, wParam
, (unsigned)lParam
);
1220 /* Check if we're being asked to process a messages */
1221 if ( HC_ACTION
!= code
)
1224 /* Retrieve the current message being dispatched from lParam */
1225 pMsg
= (LPMSG
)lParam
;
1227 /* Check if the message is destined for a window we are interested in:
1228 * If the window has an OLEMenu property we may need to dispatch
1229 * the menu message to its active objects window instead. */
1231 hOleMenu
= (HOLEMENU
)GetPropA( pMsg
->hwnd
, "PROP_OLEMenuDescriptor" );
1235 /* Process menu messages */
1236 switch( pMsg
->message
)
1240 wCode
= HIWORD(pMsg
->wParam
); /* Get notification code */
1242 goto NEXTHOOK
; /* Not a menu message */
1249 /* Get the menu descriptor */
1250 pOleMenuDescriptor
= (OleMenuDescriptor
*) GlobalLock( hOleMenu
);
1251 if ( !pOleMenuDescriptor
) /* Bad descriptor! */
1254 /* If the message was for the server dispatch it accordingly */
1255 if ( pOleMenuDescriptor
->bIsServerItem
)
1257 /* Change the hWnd in the message to the active objects hWnd.
1258 * The message loop which reads this message will automatically
1259 * dispatch it to the embedded objects window. */
1260 pMsg
->hwnd
= pOleMenuDescriptor
->hwndActiveObject
;
1264 if ( pOleMenuDescriptor
)
1265 GlobalUnlock( hOleMenu
);
1267 /* Lookup the hook item for the current thread */
1268 if ( !( pHookItem
= OLEMenu_IsHookInstalled( GetCurrentThreadId() ) ) )
1270 /* This should never fail!! */
1271 WARN("could not retrieve hHook for current thread!\n" );
1275 /* Pass on the message to the next hooker */
1276 return CallNextHookEx( pHookItem
->GetMsg_hHook
, code
, wParam
, lParam
);
1279 /***********************************************************************
1280 * OleCreateMenuDescriptor [OLE32.@]
1281 * Creates an OLE menu descriptor for OLE to use when dispatching
1282 * menu messages and commands.
1285 * hmenuCombined - Handle to the objects combined menu
1286 * lpMenuWidths - Pointer to array of 6 LONG's indicating menus per group
1289 HOLEMENU WINAPI
OleCreateMenuDescriptor(
1290 HMENU hmenuCombined
,
1291 LPOLEMENUGROUPWIDTHS lpMenuWidths
)
1294 OleMenuDescriptor
*pOleMenuDescriptor
;
1297 if ( !hmenuCombined
|| !lpMenuWidths
)
1300 /* Create an OLE menu descriptor */
1301 if ( !(hOleMenu
= GlobalAlloc(GMEM_MOVEABLE
| GMEM_ZEROINIT
,
1302 sizeof(OleMenuDescriptor
) ) ) )
1305 pOleMenuDescriptor
= (OleMenuDescriptor
*) GlobalLock( hOleMenu
);
1306 if ( !pOleMenuDescriptor
)
1309 /* Initialize menu group widths and hmenu */
1310 for ( i
= 0; i
< 6; i
++ )
1311 pOleMenuDescriptor
->mgw
.width
[i
] = lpMenuWidths
->width
[i
];
1313 pOleMenuDescriptor
->hmenuCombined
= hmenuCombined
;
1314 pOleMenuDescriptor
->bIsServerItem
= FALSE
;
1315 GlobalUnlock( hOleMenu
);
1320 /***********************************************************************
1321 * OleDestroyMenuDescriptor [OLE32.@]
1322 * Destroy the shared menu descriptor
1324 HRESULT WINAPI
OleDestroyMenuDescriptor(
1325 HOLEMENU hmenuDescriptor
)
1327 if ( hmenuDescriptor
)
1328 GlobalFree( hmenuDescriptor
);
1332 /***********************************************************************
1333 * OleSetMenuDescriptor [OLE32.@]
1334 * Installs or removes OLE dispatching code for the containers frame window
1335 * FIXME: The lpFrame and lpActiveObject parameters are currently ignored
1336 * OLE should install context sensitive help F1 filtering for the app when
1337 * these are non null.
1340 * hOleMenu Handle to composite menu descriptor
1341 * hwndFrame Handle to containers frame window
1342 * hwndActiveObject Handle to objects in-place activation window
1343 * lpFrame Pointer to IOleInPlaceFrame on containers window
1344 * lpActiveObject Pointer to IOleInPlaceActiveObject on active in-place object
1347 * S_OK - menu installed correctly
1348 * E_FAIL, E_INVALIDARG, E_UNEXPECTED - failure
1350 HRESULT WINAPI
OleSetMenuDescriptor(
1353 HWND hwndActiveObject
,
1354 LPOLEINPLACEFRAME lpFrame
,
1355 LPOLEINPLACEACTIVEOBJECT lpActiveObject
)
1357 OleMenuDescriptor
*pOleMenuDescriptor
= NULL
;
1360 if ( !hwndFrame
|| (hOleMenu
&& !hwndActiveObject
) )
1361 return E_INVALIDARG
;
1363 if ( lpFrame
|| lpActiveObject
)
1365 FIXME("(%x, %p, %p, %p, %p), Context sensitive help filtering not implemented!\n",
1366 (unsigned int)hOleMenu
,
1373 /* Set up a message hook to intercept the containers frame window messages.
1374 * The message filter is responsible for dispatching menu messages from the
1375 * shared menu which are intended for the object.
1378 if ( hOleMenu
) /* Want to install dispatching code */
1380 /* If OLEMenu hooks are already installed for this thread, fail
1381 * Note: This effectively means that OleSetMenuDescriptor cannot
1382 * be called twice in succession on the same frame window
1383 * without first calling it with a null hOleMenu to uninstall */
1384 if ( OLEMenu_IsHookInstalled( GetCurrentThreadId() ) )
1387 /* Get the menu descriptor */
1388 pOleMenuDescriptor
= (OleMenuDescriptor
*) GlobalLock( hOleMenu
);
1389 if ( !pOleMenuDescriptor
)
1390 return E_UNEXPECTED
;
1392 /* Update the menu descriptor */
1393 pOleMenuDescriptor
->hwndFrame
= hwndFrame
;
1394 pOleMenuDescriptor
->hwndActiveObject
= hwndActiveObject
;
1396 GlobalUnlock( hOleMenu
);
1397 pOleMenuDescriptor
= NULL
;
1399 /* Add a menu descriptor windows property to the frame window */
1400 SetPropA( hwndFrame
, "PROP_OLEMenuDescriptor", hOleMenu
);
1402 /* Install thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC */
1403 if ( !OLEMenu_InstallHooks( GetCurrentThreadId() ) )
1406 else /* Want to uninstall dispatching code */
1408 /* Uninstall the hooks */
1409 if ( !OLEMenu_UnInstallHooks( GetCurrentThreadId() ) )
1412 /* Remove the menu descriptor property from the frame window */
1413 RemovePropA( hwndFrame
, "PROP_OLEMenuDescriptor" );
1419 /******************************************************************************
1420 * IsAccelerator [OLE32.@]
1421 * Mostly copied from controls/menu.c TranslateAccelerator implementation
1423 BOOL WINAPI
IsAccelerator(HACCEL hAccel
, int cAccelEntries
, LPMSG lpMsg
, WORD
* lpwCmd
)
1428 if(!lpMsg
) return FALSE
;
1431 WARN_(accel
)("NULL accel handle\n");
1434 if((lpMsg
->message
!= WM_KEYDOWN
&&
1435 lpMsg
->message
!= WM_KEYUP
&&
1436 lpMsg
->message
!= WM_SYSKEYDOWN
&&
1437 lpMsg
->message
!= WM_SYSKEYUP
&&
1438 lpMsg
->message
!= WM_CHAR
)) return FALSE
;
1439 lpAccelTbl
= HeapAlloc(GetProcessHeap(), 0, cAccelEntries
* sizeof(ACCEL
));
1440 if (NULL
== lpAccelTbl
)
1444 if (CopyAcceleratorTableW(hAccel
, lpAccelTbl
, cAccelEntries
) != cAccelEntries
)
1446 WARN_(accel
)("CopyAcceleratorTableW failed\n");
1447 HeapFree(GetProcessHeap(), 0, lpAccelTbl
);
1451 TRACE_(accel
)("hAccel=%p, cAccelEntries=%d,"
1452 "msg->hwnd=%p, msg->message=%04x, wParam=%08x, lParam=%08lx\n",
1453 hAccel
, cAccelEntries
,
1454 lpMsg
->hwnd
, lpMsg
->message
, lpMsg
->wParam
, lpMsg
->lParam
);
1455 for(i
= 0; i
< cAccelEntries
; i
++)
1457 if(lpAccelTbl
[i
].key
!= lpMsg
->wParam
)
1460 if(lpMsg
->message
== WM_CHAR
)
1462 if(!(lpAccelTbl
[i
].fVirt
& FALT
) && !(lpAccelTbl
[i
].fVirt
& FVIRTKEY
))
1464 TRACE_(accel
)("found accel for WM_CHAR: ('%c')\n", lpMsg
->wParam
& 0xff);
1470 if(lpAccelTbl
[i
].fVirt
& FVIRTKEY
)
1473 TRACE_(accel
)("found accel for virt_key %04x (scan %04x)\n",
1474 lpMsg
->wParam
, HIWORD(lpMsg
->lParam
) & 0xff);
1475 if(GetKeyState(VK_SHIFT
) & 0x8000) mask
|= FSHIFT
;
1476 if(GetKeyState(VK_CONTROL
) & 0x8000) mask
|= FCONTROL
;
1477 if(GetKeyState(VK_MENU
) & 0x8000) mask
|= FALT
;
1478 if(mask
== (lpAccelTbl
[i
].fVirt
& (FSHIFT
| FCONTROL
| FALT
))) goto found
;
1479 TRACE_(accel
)("incorrect SHIFT/CTRL/ALT-state\n");
1483 if(!(lpMsg
->lParam
& 0x01000000)) /* no special_key */
1485 if((lpAccelTbl
[i
].fVirt
& FALT
) && (lpMsg
->lParam
& 0x20000000))
1486 { /* ^^ ALT pressed */
1487 TRACE_(accel
)("found accel for Alt-%c\n", lpMsg
->wParam
& 0xff);
1495 WARN_(accel
)("couldn't translate accelerator key\n");
1496 HeapFree(GetProcessHeap(), 0, lpAccelTbl
);
1500 if(lpwCmd
) *lpwCmd
= lpAccelTbl
[i
].cmd
;
1501 HeapFree(GetProcessHeap(), 0, lpAccelTbl
);
1505 /***********************************************************************
1506 * ReleaseStgMedium [OLE32.@]
1508 void WINAPI
ReleaseStgMedium(
1511 switch (pmedium
->tymed
)
1515 if ( (pmedium
->pUnkForRelease
==0) &&
1516 (pmedium
->u
.hGlobal
!=0) )
1517 GlobalFree(pmedium
->u
.hGlobal
);
1522 if (pmedium
->u
.lpszFileName
!=0)
1524 if (pmedium
->pUnkForRelease
==0)
1526 DeleteFileW(pmedium
->u
.lpszFileName
);
1529 CoTaskMemFree(pmedium
->u
.lpszFileName
);
1535 if (pmedium
->u
.pstm
!=0)
1537 IStream_Release(pmedium
->u
.pstm
);
1541 case TYMED_ISTORAGE
:
1543 if (pmedium
->u
.pstg
!=0)
1545 IStorage_Release(pmedium
->u
.pstg
);
1551 if ( (pmedium
->pUnkForRelease
==0) &&
1552 (pmedium
->u
.hBitmap
!=0) )
1553 DeleteObject(pmedium
->u
.hBitmap
);
1558 if ( (pmedium
->pUnkForRelease
==0) &&
1559 (pmedium
->u
.hMetaFilePict
!=0) )
1561 LPMETAFILEPICT pMP
= GlobalLock(pmedium
->u
.hMetaFilePict
);
1562 DeleteMetaFile(pMP
->hMF
);
1563 GlobalUnlock(pmedium
->u
.hMetaFilePict
);
1564 GlobalFree(pmedium
->u
.hMetaFilePict
);
1570 if ( (pmedium
->pUnkForRelease
==0) &&
1571 (pmedium
->u
.hEnhMetaFile
!=0) )
1573 DeleteEnhMetaFile(pmedium
->u
.hEnhMetaFile
);
1581 pmedium
->tymed
=TYMED_NULL
;
1584 * After cleaning up, the unknown is released
1586 if (pmedium
->pUnkForRelease
!=0)
1588 IUnknown_Release(pmedium
->pUnkForRelease
);
1589 pmedium
->pUnkForRelease
= 0;
1594 * OLEDD_Initialize()
1596 * Initializes the OLE drag and drop data structures.
1598 static void OLEDD_Initialize()
1602 ZeroMemory (&wndClass
, sizeof(WNDCLASSA
));
1603 wndClass
.style
= CS_GLOBALCLASS
;
1604 wndClass
.lpfnWndProc
= (WNDPROC
)OLEDD_DragTrackerWindowProc
;
1605 wndClass
.cbClsExtra
= 0;
1606 wndClass
.cbWndExtra
= sizeof(TrackerWindowInfo
*);
1607 wndClass
.hCursor
= 0;
1608 wndClass
.hbrBackground
= 0;
1609 wndClass
.lpszClassName
= OLEDD_DRAGTRACKERCLASS
;
1611 RegisterClassA (&wndClass
);
1615 * OLEDD_UnInitialize()
1617 * Releases the OLE drag and drop data structures.
1619 static void OLEDD_UnInitialize()
1622 * Simply empty the list.
1624 while (targetListHead
!=NULL
)
1626 RevokeDragDrop(targetListHead
->hwndTarget
);
1631 * OLEDD_InsertDropTarget()
1633 * Insert the target node in the tree.
1635 static void OLEDD_InsertDropTarget(DropTargetNode
* nodeToAdd
)
1637 DropTargetNode
* curNode
;
1638 DropTargetNode
** parentNodeLink
;
1641 * Iterate the tree to find the insertion point.
1643 curNode
= targetListHead
;
1644 parentNodeLink
= &targetListHead
;
1646 while (curNode
!=NULL
)
1648 if (nodeToAdd
->hwndTarget
<curNode
->hwndTarget
)
1651 * If the node we want to add has a smaller HWND, go left
1653 parentNodeLink
= &curNode
->prevDropTarget
;
1654 curNode
= curNode
->prevDropTarget
;
1656 else if (nodeToAdd
->hwndTarget
>curNode
->hwndTarget
)
1659 * If the node we want to add has a larger HWND, go right
1661 parentNodeLink
= &curNode
->nextDropTarget
;
1662 curNode
= curNode
->nextDropTarget
;
1667 * The item was found in the list. It shouldn't have been there
1675 * If we get here, we have found a spot for our item. The parentNodeLink
1676 * pointer points to the pointer that we have to modify.
1677 * The curNode should be NULL. We just have to establish the link and Voila!
1679 assert(curNode
==NULL
);
1680 assert(parentNodeLink
!=NULL
);
1681 assert(*parentNodeLink
==NULL
);
1683 *parentNodeLink
=nodeToAdd
;
1687 * OLEDD_ExtractDropTarget()
1689 * Removes the target node from the tree.
1691 static DropTargetNode
* OLEDD_ExtractDropTarget(HWND hwndOfTarget
)
1693 DropTargetNode
* curNode
;
1694 DropTargetNode
** parentNodeLink
;
1697 * Iterate the tree to find the insertion point.
1699 curNode
= targetListHead
;
1700 parentNodeLink
= &targetListHead
;
1702 while (curNode
!=NULL
)
1704 if (hwndOfTarget
<curNode
->hwndTarget
)
1707 * If the node we want to add has a smaller HWND, go left
1709 parentNodeLink
= &curNode
->prevDropTarget
;
1710 curNode
= curNode
->prevDropTarget
;
1712 else if (hwndOfTarget
>curNode
->hwndTarget
)
1715 * If the node we want to add has a larger HWND, go right
1717 parentNodeLink
= &curNode
->nextDropTarget
;
1718 curNode
= curNode
->nextDropTarget
;
1723 * The item was found in the list. Detach it from it's parent and
1724 * re-insert it's kids in the tree.
1726 assert(parentNodeLink
!=NULL
);
1727 assert(*parentNodeLink
==curNode
);
1730 * We arbitrately re-attach the left sub-tree to the parent.
1732 *parentNodeLink
= curNode
->prevDropTarget
;
1735 * And we re-insert the right subtree
1737 if (curNode
->nextDropTarget
!=NULL
)
1739 OLEDD_InsertDropTarget(curNode
->nextDropTarget
);
1743 * The node we found is still a valid node once we complete
1744 * the unlinking of the kids.
1746 curNode
->nextDropTarget
=NULL
;
1747 curNode
->prevDropTarget
=NULL
;
1754 * If we get here, the node is not in the tree
1760 * OLEDD_FindDropTarget()
1762 * Finds information about the drop target.
1764 static DropTargetNode
* OLEDD_FindDropTarget(HWND hwndOfTarget
)
1766 DropTargetNode
* curNode
;
1769 * Iterate the tree to find the HWND value.
1771 curNode
= targetListHead
;
1773 while (curNode
!=NULL
)
1775 if (hwndOfTarget
<curNode
->hwndTarget
)
1778 * If the node we want to add has a smaller HWND, go left
1780 curNode
= curNode
->prevDropTarget
;
1782 else if (hwndOfTarget
>curNode
->hwndTarget
)
1785 * If the node we want to add has a larger HWND, go right
1787 curNode
= curNode
->nextDropTarget
;
1792 * The item was found in the list.
1799 * If we get here, the item is not in the list
1805 * OLEDD_DragTrackerWindowProc()
1807 * This method is the WindowProcedure of the drag n drop tracking
1808 * window. During a drag n Drop operation, an invisible window is created
1809 * to receive the user input and act upon it. This procedure is in charge
1812 static LRESULT WINAPI
OLEDD_DragTrackerWindowProc(
1822 LPCREATESTRUCTA createStruct
= (LPCREATESTRUCTA
)lParam
;
1824 SetWindowLongA(hwnd
, 0, (LONG
)createStruct
->lpCreateParams
);
1831 TrackerWindowInfo
* trackerInfo
= (TrackerWindowInfo
*)GetWindowLongA(hwnd
, 0);
1835 * Get the current mouse position in screen coordinates.
1837 mousePos
.x
= LOWORD(lParam
);
1838 mousePos
.y
= HIWORD(lParam
);
1839 ClientToScreen(hwnd
, &mousePos
);
1842 * Track the movement of the mouse.
1844 OLEDD_TrackMouseMove(trackerInfo
, mousePos
, wParam
);
1851 case WM_LBUTTONDOWN
:
1852 case WM_MBUTTONDOWN
:
1853 case WM_RBUTTONDOWN
:
1855 TrackerWindowInfo
* trackerInfo
= (TrackerWindowInfo
*)GetWindowLongA(hwnd
, 0);
1859 * Get the current mouse position in screen coordinates.
1861 mousePos
.x
= LOWORD(lParam
);
1862 mousePos
.y
= HIWORD(lParam
);
1863 ClientToScreen(hwnd
, &mousePos
);
1866 * Notify everyone that the button state changed
1867 * TODO: Check if the "escape" key was pressed.
1869 OLEDD_TrackStateChange(trackerInfo
, mousePos
, wParam
);
1876 * This is a window proc after all. Let's call the default.
1878 return DefWindowProcA (hwnd
, uMsg
, wParam
, lParam
);
1882 * OLEDD_TrackMouseMove()
1884 * This method is invoked while a drag and drop operation is in effect.
1885 * it will generate the appropriate callbacks in the drop source
1886 * and drop target. It will also provide the expected feedback to
1890 * trackerInfo - Pointer to the structure identifying the
1891 * drag & drop operation that is currently
1893 * mousePos - Current position of the mouse in screen
1895 * keyState - Contains the state of the shift keys and the
1896 * mouse buttons (MK_LBUTTON and the like)
1898 static void OLEDD_TrackMouseMove(
1899 TrackerWindowInfo
* trackerInfo
,
1903 HWND hwndNewTarget
= 0;
1907 * Get the handle of the window under the mouse
1909 hwndNewTarget
= WindowFromPoint(mousePos
);
1912 * Every time, we re-initialize the effects passed to the
1913 * IDropTarget to the effects allowed by the source.
1915 *trackerInfo
->pdwEffect
= trackerInfo
->dwOKEffect
;
1918 * If we are hovering over the same target as before, send the
1919 * DragOver notification
1921 if ( (trackerInfo
->curDragTarget
!= 0) &&
1922 (trackerInfo
->curTargetHWND
== hwndNewTarget
) )
1924 POINTL mousePosParam
;
1927 * The documentation tells me that the coordinate should be in the target
1928 * window's coordinate space. However, the tests I made tell me the
1929 * coordinates should be in screen coordinates.
1931 mousePosParam
.x
= mousePos
.x
;
1932 mousePosParam
.y
= mousePos
.y
;
1934 IDropTarget_DragOver(trackerInfo
->curDragTarget
,
1937 trackerInfo
->pdwEffect
);
1941 DropTargetNode
* newDropTargetNode
= 0;
1944 * If we changed window, we have to notify our old target and check for
1947 if (trackerInfo
->curDragTarget
!=0)
1949 IDropTarget_DragLeave(trackerInfo
->curDragTarget
);
1953 * Make sure we're hovering over a window.
1955 if (hwndNewTarget
!=0)
1958 * Find-out if there is a drag target under the mouse
1960 HWND nexttar
= hwndNewTarget
;
1961 trackerInfo
->curTargetHWND
= hwndNewTarget
;
1964 newDropTargetNode
= OLEDD_FindDropTarget(nexttar
);
1965 } while (!newDropTargetNode
&& (nexttar
= GetParent(nexttar
)) != 0);
1966 if(nexttar
) hwndNewTarget
= nexttar
;
1968 trackerInfo
->curDragTargetHWND
= hwndNewTarget
;
1969 trackerInfo
->curDragTarget
= newDropTargetNode
? newDropTargetNode
->dropTarget
: 0;
1972 * If there is, notify it that we just dragged-in
1974 if (trackerInfo
->curDragTarget
!=0)
1976 POINTL mousePosParam
;
1979 * The documentation tells me that the coordinate should be in the target
1980 * window's coordinate space. However, the tests I made tell me the
1981 * coordinates should be in screen coordinates.
1983 mousePosParam
.x
= mousePos
.x
;
1984 mousePosParam
.y
= mousePos
.y
;
1986 IDropTarget_DragEnter(trackerInfo
->curDragTarget
,
1987 trackerInfo
->dataObject
,
1990 trackerInfo
->pdwEffect
);
1996 * The mouse is not over a window so we don't track anything.
1998 trackerInfo
->curDragTargetHWND
= 0;
1999 trackerInfo
->curTargetHWND
= 0;
2000 trackerInfo
->curDragTarget
= 0;
2005 * Now that we have done that, we have to tell the source to give
2006 * us feedback on the work being done by the target. If we don't
2007 * have a target, simulate no effect.
2009 if (trackerInfo
->curDragTarget
==0)
2011 *trackerInfo
->pdwEffect
= DROPEFFECT_NONE
;
2014 hr
= IDropSource_GiveFeedback(trackerInfo
->dropSource
,
2015 *trackerInfo
->pdwEffect
);
2018 * When we ask for feedback from the drop source, sometimes it will
2019 * do all the necessary work and sometimes it will not handle it
2020 * when that's the case, we must display the standard drag and drop
2023 if (hr
==DRAGDROP_S_USEDEFAULTCURSORS
)
2025 if (*trackerInfo
->pdwEffect
& DROPEFFECT_MOVE
)
2027 SetCursor(LoadCursorA(OLE32_hInstance
, MAKEINTRESOURCEA(1)));
2029 else if (*trackerInfo
->pdwEffect
& DROPEFFECT_COPY
)
2031 SetCursor(LoadCursorA(OLE32_hInstance
, MAKEINTRESOURCEA(2)));
2033 else if (*trackerInfo
->pdwEffect
& DROPEFFECT_LINK
)
2035 SetCursor(LoadCursorA(OLE32_hInstance
, MAKEINTRESOURCEA(3)));
2039 SetCursor(LoadCursorA(OLE32_hInstance
, MAKEINTRESOURCEA(0)));
2045 * OLEDD_TrackStateChange()
2047 * This method is invoked while a drag and drop operation is in effect.
2048 * It is used to notify the drop target/drop source callbacks when
2049 * the state of the keyboard or mouse button change.
2052 * trackerInfo - Pointer to the structure identifying the
2053 * drag & drop operation that is currently
2055 * mousePos - Current position of the mouse in screen
2057 * keyState - Contains the state of the shift keys and the
2058 * mouse buttons (MK_LBUTTON and the like)
2060 static void OLEDD_TrackStateChange(
2061 TrackerWindowInfo
* trackerInfo
,
2066 * Ask the drop source what to do with the operation.
2068 trackerInfo
->returnValue
= IDropSource_QueryContinueDrag(
2069 trackerInfo
->dropSource
,
2070 trackerInfo
->escPressed
,
2074 * All the return valued will stop the operation except the S_OK
2077 if (trackerInfo
->returnValue
!=S_OK
)
2080 * Make sure the message loop in DoDragDrop stops
2082 trackerInfo
->trackingDone
= TRUE
;
2085 * Release the mouse in case the drop target decides to show a popup
2086 * or a menu or something.
2091 * If we end-up over a target, drop the object in the target or
2092 * inform the target that the operation was cancelled.
2094 if (trackerInfo
->curDragTarget
!=0)
2096 switch (trackerInfo
->returnValue
)
2099 * If the source wants us to complete the operation, we tell
2100 * the drop target that we just dropped the object in it.
2102 case DRAGDROP_S_DROP
:
2104 POINTL mousePosParam
;
2107 * The documentation tells me that the coordinate should be
2108 * in the target window's coordinate space. However, the tests
2109 * I made tell me the coordinates should be in screen coordinates.
2111 mousePosParam
.x
= mousePos
.x
;
2112 mousePosParam
.y
= mousePos
.y
;
2114 IDropTarget_Drop(trackerInfo
->curDragTarget
,
2115 trackerInfo
->dataObject
,
2118 trackerInfo
->pdwEffect
);
2122 * If the source told us that we should cancel, fool the drop
2123 * target by telling it that the mouse left it's window.
2124 * Also set the drop effect to "NONE" in case the application
2125 * ignores the result of DoDragDrop.
2127 case DRAGDROP_S_CANCEL
:
2128 IDropTarget_DragLeave(trackerInfo
->curDragTarget
);
2129 *trackerInfo
->pdwEffect
= DROPEFFECT_NONE
;
2137 * OLEDD_GetButtonState()
2139 * This method will use the current state of the keyboard to build
2140 * a button state mask equivalent to the one passed in the
2141 * WM_MOUSEMOVE wParam.
2143 static DWORD
OLEDD_GetButtonState()
2145 BYTE keyboardState
[256];
2148 GetKeyboardState(keyboardState
);
2150 if ( (keyboardState
[VK_SHIFT
] & 0x80) !=0)
2151 keyMask
|= MK_SHIFT
;
2153 if ( (keyboardState
[VK_CONTROL
] & 0x80) !=0)
2154 keyMask
|= MK_CONTROL
;
2156 if ( (keyboardState
[VK_LBUTTON
] & 0x80) !=0)
2157 keyMask
|= MK_LBUTTON
;
2159 if ( (keyboardState
[VK_RBUTTON
] & 0x80) !=0)
2160 keyMask
|= MK_RBUTTON
;
2162 if ( (keyboardState
[VK_MBUTTON
] & 0x80) !=0)
2163 keyMask
|= MK_MBUTTON
;
2169 * OLEDD_GetButtonState()
2171 * This method will read the default value of the registry key in
2172 * parameter and extract a DWORD value from it. The registry key value
2173 * can be in a string key or a DWORD key.
2176 * regKey - Key to read the default value from
2177 * pdwValue - Pointer to the location where the DWORD
2178 * value is returned. This value is not modified
2179 * if the value is not found.
2182 static void OLEUTL_ReadRegistryDWORDValue(
2191 lres
= RegQueryValueExA(regKey
,
2198 if (lres
==ERROR_SUCCESS
)
2203 *pdwValue
= *(DWORD
*)buffer
;
2208 *pdwValue
= (DWORD
)strtoul(buffer
, NULL
, 10);
2214 /******************************************************************************
2217 * The operation of this function is documented literally in the WinAPI
2218 * documentation to involve a QueryInterface for the IViewObject interface,
2219 * followed by a call to IViewObject::Draw.
2221 HRESULT WINAPI
OleDraw(
2228 IViewObject
*viewobject
;
2230 hres
= IUnknown_QueryInterface(pUnk
,
2232 (void**)&viewobject
);
2234 if (SUCCEEDED(hres
))
2238 rectl
.left
= lprcBounds
->left
;
2239 rectl
.right
= lprcBounds
->right
;
2240 rectl
.top
= lprcBounds
->top
;
2241 rectl
.bottom
= lprcBounds
->bottom
;
2242 hres
= IViewObject_Draw(viewobject
, dwAspect
, -1, 0, 0, 0, hdcDraw
, &rectl
, 0, 0, 0);
2244 IViewObject_Release(viewobject
);
2249 return DV_E_NOIVIEWOBJECT
;
2253 /***********************************************************************
2254 * OleTranslateAccelerator [OLE32.@]
2256 HRESULT WINAPI
OleTranslateAccelerator (LPOLEINPLACEFRAME lpFrame
,
2257 LPOLEINPLACEFRAMEINFO lpFrameInfo
, LPMSG lpmsg
)
2261 TRACE("(%p,%p,%p)\n", lpFrame
, lpFrameInfo
, lpmsg
);
2263 if (IsAccelerator(lpFrameInfo
->haccel
,lpFrameInfo
->cAccelEntries
,lpmsg
,&wID
))
2264 return IOleInPlaceFrame_TranslateAccelerator(lpFrame
,lpmsg
,wID
);
2269 /******************************************************************************
2270 * OleCreate [OLE32.@]
2273 HRESULT WINAPI
OleCreate(
2277 LPFORMATETC pFormatEtc
,
2278 LPOLECLIENTSITE pClientSite
,
2282 HRESULT hres
, hres1
;
2283 IUnknown
* pUnk
= NULL
;
2285 FIXME("\n\t%s\n\t%s semi-stub!\n", debugstr_guid(rclsid
), debugstr_guid(riid
));
2287 if (SUCCEEDED((hres
= CoCreateInstance(rclsid
, 0, CLSCTX_INPROC_SERVER
|CLSCTX_INPROC_HANDLER
|CLSCTX_LOCAL_SERVER
, riid
, (LPVOID
*)&pUnk
))))
2292 IPersistStorage
* pPS
;
2293 if (SUCCEEDED((hres
= IUnknown_QueryInterface( pUnk
, &IID_IOleObject
, (LPVOID
*)&pOE
))))
2295 TRACE("trying to set clientsite %p\n", pClientSite
);
2296 hres1
= IOleObject_SetClientSite(pOE
, pClientSite
);
2297 TRACE("-- result 0x%08lx\n", hres1
);
2298 IOleObject_Release(pOE
);
2300 if (SUCCEEDED((hres
= IUnknown_QueryInterface( pUnk
, &IID_IPersistStorage
, (LPVOID
*)&pPS
))))
2302 TRACE("trying to set stg %p\n", pStg
);
2303 hres1
= IPersistStorage_InitNew(pPS
, pStg
);
2304 TRACE("-- result 0x%08lx\n", hres1
);
2305 IPersistStorage_Release(pPS
);
2312 TRACE("-- %p \n", pUnk
);
2316 /***********************************************************************
2317 * OLE_FreeClipDataArray [internal]
2320 * frees the data associated with an array of CLIPDATAs
2322 static void OLE_FreeClipDataArray(ULONG count
, CLIPDATA
* pClipDataArray
)
2325 for (i
= 0; i
< count
; i
++)
2326 if (pClipDataArray
[i
].pClipData
)
2327 CoTaskMemFree(pClipDataArray
[i
].pClipData
);
2330 HRESULT WINAPI
FreePropVariantArray(ULONG
,PROPVARIANT
*);
2332 /***********************************************************************
2333 * PropVariantClear [OLE32.@]
2335 HRESULT WINAPI
PropVariantClear(PROPVARIANT
* pvar
) /* [in/out] */
2337 TRACE("(%p)\n", pvar
);
2345 case VT_STREAMED_OBJECT
:
2347 case VT_STORED_OBJECT
:
2348 IUnknown_Release((LPUNKNOWN
)pvar
->u
.pStream
);
2353 /* pick an arbitary typed pointer - we don't care about the type
2354 * as we are just freeing it */
2355 CoTaskMemFree(pvar
->u
.puuid
);
2358 case VT_BLOB_OBJECT
:
2359 CoTaskMemFree(pvar
->u
.blob
.pBlobData
);
2362 FIXME("Need to load OLEAUT32 for SysFreeString\n");
2363 /* SysFreeString(pvar->u.bstrVal); */
2366 if (pvar
->u
.pclipdata
)
2368 OLE_FreeClipDataArray(1, pvar
->u
.pclipdata
);
2369 CoTaskMemFree(pvar
->u
.pclipdata
);
2373 if (pvar
->vt
& VT_ARRAY
)
2375 FIXME("Need to call SafeArrayDestroy\n");
2376 /* SafeArrayDestroy(pvar->u.caub); */
2378 switch (pvar
->vt
& VT_VECTOR
)
2381 FreePropVariantArray(pvar
->u
.capropvar
.cElems
, pvar
->u
.capropvar
.pElems
);
2384 OLE_FreeClipDataArray(pvar
->u
.caclipdata
.cElems
, pvar
->u
.caclipdata
.pElems
);
2389 FIXME("Freeing of vector sub-type not supported yet\n");
2391 if (pvar
->vt
& VT_VECTOR
)
2393 /* pick an arbitary VT_VECTOR structure - they all have the same
2395 CoTaskMemFree(pvar
->u
.capropvar
.pElems
);
2399 ZeroMemory(pvar
, sizeof(*pvar
));
2404 /***********************************************************************
2405 * PropVariantCopy [OLE32.@]
2407 HRESULT WINAPI
PropVariantCopy(PROPVARIANT
*pvarDest
, /* [out] */
2408 const PROPVARIANT
*pvarSrc
) /* [in] */
2411 TRACE("(%p, %p): stub:\n", pvarDest
, pvarSrc
);
2413 /* this will deal with most cases */
2414 CopyMemory(pvarDest
, pvarSrc
, sizeof(*pvarDest
));
2419 case VT_STREAMED_OBJECT
:
2421 case VT_STORED_OBJECT
:
2422 IUnknown_AddRef((LPUNKNOWN
)pvarDest
->u
.pStream
);
2425 pvarDest
->u
.puuid
= CoTaskMemAlloc(sizeof(CLSID
));
2426 CopyMemory(pvarDest
->u
.puuid
, pvarSrc
->u
.puuid
, sizeof(CLSID
));
2429 len
= strlen(pvarSrc
->u
.pszVal
);
2430 pvarDest
->u
.pszVal
= CoTaskMemAlloc(len
);
2431 CopyMemory(pvarDest
->u
.pszVal
, pvarSrc
->u
.pszVal
, len
);
2434 len
= lstrlenW(pvarSrc
->u
.pwszVal
);
2435 pvarDest
->u
.pwszVal
= CoTaskMemAlloc(len
);
2436 CopyMemory(pvarDest
->u
.pwszVal
, pvarSrc
->u
.pwszVal
, len
);
2439 case VT_BLOB_OBJECT
:
2440 if (pvarSrc
->u
.blob
.pBlobData
)
2442 len
= pvarSrc
->u
.blob
.cbSize
;
2443 pvarDest
->u
.blob
.pBlobData
= CoTaskMemAlloc(len
);
2444 CopyMemory(pvarDest
->u
.blob
.pBlobData
, pvarSrc
->u
.blob
.pBlobData
, len
);
2448 FIXME("Need to copy BSTR\n");
2451 if (pvarSrc
->u
.pclipdata
)
2453 len
= pvarSrc
->u
.pclipdata
->cbSize
- sizeof(pvarSrc
->u
.pclipdata
->ulClipFmt
);
2454 CoTaskMemAlloc(len
);
2455 CopyMemory(pvarDest
->u
.pclipdata
->pClipData
, pvarSrc
->u
.pclipdata
->pClipData
, len
);
2459 if (pvarSrc
->vt
& VT_ARRAY
)
2461 FIXME("Need to call SafeArrayCopy\n");
2462 /* SafeArrayCopy(...); */
2464 if (pvarSrc
->vt
& VT_VECTOR
)
2467 switch(pvarSrc
->vt
& VT_VECTOR
)
2469 case VT_I1
: elemSize
= sizeof(pvarSrc
->u
.cVal
); break;
2470 case VT_UI1
: elemSize
= sizeof(pvarSrc
->u
.bVal
); break;
2471 case VT_I2
: elemSize
= sizeof(pvarSrc
->u
.iVal
); break;
2472 case VT_UI2
: elemSize
= sizeof(pvarSrc
->u
.uiVal
); break;
2473 case VT_BOOL
: elemSize
= sizeof(pvarSrc
->u
.boolVal
); break;
2474 case VT_I4
: elemSize
= sizeof(pvarSrc
->u
.lVal
); break;
2475 case VT_UI4
: elemSize
= sizeof(pvarSrc
->u
.ulVal
); break;
2476 case VT_R4
: elemSize
= sizeof(pvarSrc
->u
.fltVal
); break;
2477 case VT_R8
: elemSize
= sizeof(pvarSrc
->u
.dblVal
); break;
2478 case VT_ERROR
: elemSize
= sizeof(pvarSrc
->u
.scode
); break;
2479 case VT_I8
: elemSize
= sizeof(pvarSrc
->u
.hVal
); break;
2480 case VT_UI8
: elemSize
= sizeof(pvarSrc
->u
.uhVal
); break;
2481 case VT_CY
: elemSize
= sizeof(pvarSrc
->u
.cyVal
); break;
2482 case VT_DATE
: elemSize
= sizeof(pvarSrc
->u
.date
); break;
2483 case VT_FILETIME
: elemSize
= sizeof(pvarSrc
->u
.filetime
); break;
2484 case VT_CLSID
: elemSize
= sizeof(*pvarSrc
->u
.puuid
); break;
2485 case VT_CF
: elemSize
= sizeof(*pvarSrc
->u
.pclipdata
); break;
2492 FIXME("Invalid element type: %ul\n", pvarSrc
->vt
& VT_VECTOR
);
2493 return E_INVALIDARG
;
2495 len
= pvarSrc
->u
.capropvar
.cElems
;
2496 pvarDest
->u
.capropvar
.pElems
= CoTaskMemAlloc(len
* elemSize
);
2497 if (pvarSrc
->vt
== (VT_VECTOR
| VT_VARIANT
))
2500 for (i
= 0; i
< len
; i
++)
2501 PropVariantCopy(&pvarDest
->u
.capropvar
.pElems
[i
], &pvarSrc
->u
.capropvar
.pElems
[i
]);
2503 else if (pvarSrc
->vt
== (VT_VECTOR
| VT_CF
))
2505 FIXME("Copy clipformats\n");
2507 else if (pvarSrc
->vt
== (VT_VECTOR
| VT_BSTR
))
2509 FIXME("Copy BSTRs\n");
2511 else if (pvarSrc
->vt
== (VT_VECTOR
| VT_LPSTR
))
2513 FIXME("Copy LPSTRs\n");
2515 else if (pvarSrc
->vt
== (VT_VECTOR
| VT_LPSTR
))
2517 FIXME("Copy LPWSTRs\n");
2520 CopyMemory(pvarDest
->u
.capropvar
.pElems
, pvarSrc
->u
.capropvar
.pElems
, len
* elemSize
);
2527 /***********************************************************************
2528 * FreePropVariantArray [OLE32.@]
2530 HRESULT WINAPI
FreePropVariantArray(ULONG cVariants
, /* [in] */
2531 PROPVARIANT
*rgvars
) /* [in/out] */
2535 TRACE("(%lu, %p)\n", cVariants
, rgvars
);
2537 for(i
= 0; i
< cVariants
; i
++)
2538 PropVariantClear(&rgvars
[i
]);
2543 /******************************************************************************
2544 * DllDebugObjectRPCHook (OLE32.@)
2545 * turns on and off internal debugging, pointer is only used on macintosh
2548 BOOL WINAPI
DllDebugObjectRPCHook(BOOL b
, void *dummy
)