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/*
 *	OLE2 library
 *
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 * Copyright 1995 Martin von Loewis
 * Copyright 1999 Francis Beaudet
 * Copyright 1999 Noel Borthwick
 * Copyright 1999, 2000 Marcus Meissner
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 * Copyright 2005 Juan Lang
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 * Copyright 2011 Adam Martinson for CodeWeavers
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 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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 */

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#include "config.h"

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#include <assert.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#define COBJMACROS
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#define NONAMELESSUNION
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#include "windef.h"
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#include "winbase.h"
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#include "winerror.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "winnls.h"
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#include "winreg.h"
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#include "ole2.h"
#include "ole2ver.h"
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#include "wine/unicode.h"
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#include "compobj_private.h"
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#include "wine/list.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ole);
WINE_DECLARE_DEBUG_CHANNEL(accel);
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/******************************************************************************
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 * These are static/global variables and internal data structures that the
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 * OLE module uses to maintain its state.
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 */
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typedef struct tagTrackerWindowInfo
{
  IDataObject* dataObject;
  IDropSource* dropSource;
  DWORD        dwOKEffect;
  DWORD*       pdwEffect;
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  BOOL       trackingDone;
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  HRESULT      returnValue;

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  BOOL       escPressed;
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  HWND       curTargetHWND;	/* window the mouse is hovering over */
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  HWND       curDragTargetHWND; /* might be an ancestor of curTargetHWND */
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  IDropTarget* curDragTarget;
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  POINTL     curMousePos;       /* current position of the mouse in screen coordinates */
  DWORD      dwKeyState;        /* current state of the shift and ctrl keys and the mouse buttons */
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} TrackerWindowInfo;
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typedef struct tagOleMenuDescriptor  /* OleMenuDescriptor */
{
  HWND               hwndFrame;         /* The containers frame window */
  HWND               hwndActiveObject;  /* The active objects window */
  OLEMENUGROUPWIDTHS mgw;               /* OLE menu group widths for the shared menu */
  HMENU              hmenuCombined;     /* The combined menu */
  BOOL               bIsServerItem;     /* True if the currently open popup belongs to the server */
} OleMenuDescriptor;

typedef struct tagOleMenuHookItem   /* OleMenu hook item in per thread hook list */
{
  DWORD tid;                /* Thread Id  */
  HANDLE hHeap;             /* Heap this is allocated from */
  HHOOK GetMsg_hHook;       /* message hook for WH_GETMESSAGE */
  HHOOK CallWndProc_hHook;  /* message hook for WH_CALLWNDPROC */
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  struct tagOleMenuHookItem *next;
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} OleMenuHookItem;

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static OleMenuHookItem *hook_list;
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/*
 * This is the lock count on the OLE library. It is controlled by the
 * OLEInitialize/OLEUninitialize methods.
 */
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static LONG OLE_moduleLockCount = 0;
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/*
 * Name of our registered window class.
 */
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static const WCHAR OLEDD_DRAGTRACKERCLASS[] =
  {'W','i','n','e','D','r','a','g','D','r','o','p','T','r','a','c','k','e','r','3','2',0};

/*
 * Name of menu descriptor property.
 */
static const WCHAR prop_olemenuW[] =
  {'P','R','O','P','_','O','L','E','M','e','n','u','D','e','s','c','r','i','p','t','o','r',0};
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/* property to store IDropTarget pointer */
static const WCHAR prop_oledroptarget[] =
  {'O','l','e','D','r','o','p','T','a','r','g','e','t','I','n','t','e','r','f','a','c','e',0};

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/* property to store Marshalled IDropTarget pointer */
static const WCHAR prop_marshalleddroptarget[] =
  {'W','i','n','e','M','a','r','s','h','a','l','l','e','d','D','r','o','p','T','a','r','g','e','t',0};

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static const WCHAR clsidfmtW[] =
  {'C','L','S','I','D','\\','{','%','0','8','x','-','%','0','4','x','-','%','0','4','x','-',
   '%','0','2','x','%','0','2','x','-','%','0','2','x','%','0','2','x','%','0','2','x','%','0','2','x',
    '%','0','2','x','%','0','2','x','}','\\',0};

static const WCHAR emptyW[] = { 0 };

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/******************************************************************************
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 * These are the prototypes of miscellaneous utility methods
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 */
static void OLEUTL_ReadRegistryDWORDValue(HKEY regKey, DWORD* pdwValue);

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/******************************************************************************
 * These are the prototypes of the utility methods used to manage a shared menu
 */
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static void OLEMenu_Initialize(void);
static void OLEMenu_UnInitialize(void);
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static BOOL OLEMenu_InstallHooks( DWORD tid );
static BOOL OLEMenu_UnInstallHooks( DWORD tid );
static OleMenuHookItem * OLEMenu_IsHookInstalled( DWORD tid );
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static BOOL OLEMenu_FindMainMenuIndex( HMENU hMainMenu, HMENU hPopupMenu, UINT *pnPos );
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static BOOL OLEMenu_SetIsServerMenu( HMENU hmenu, OleMenuDescriptor *pOleMenuDescriptor );
static LRESULT CALLBACK OLEMenu_CallWndProc(INT code, WPARAM wParam, LPARAM lParam);
static LRESULT CALLBACK OLEMenu_GetMsgProc(INT code, WPARAM wParam, LPARAM lParam);
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/******************************************************************************
 * These are the prototypes of the OLE Clipboard initialization methods (in clipboard.c)
 */
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extern void OLEClipbrd_UnInitialize(void);
extern void OLEClipbrd_Initialize(void);
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/******************************************************************************
 * These are the prototypes of the utility methods used for OLE Drag n Drop
 */
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static void OLEDD_Initialize(void);
static LRESULT WINAPI  OLEDD_DragTrackerWindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
static void OLEDD_TrackStateChange(TrackerWindowInfo* trackerInfo);
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static DWORD OLEDD_GetButtonState(void);
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/******************************************************************************
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 *		OleBuildVersion [OLE32.@]
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 */
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DWORD WINAPI OleBuildVersion(void)
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{
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    TRACE("Returning version %d, build %d.\n", rmm, rup);
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    return (rmm<<16)+rup;
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}

/***********************************************************************
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 *           OleInitialize       (OLE32.@)
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 */
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HRESULT WINAPI OleInitialize(LPVOID reserved)
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{
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  HRESULT hr;

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  TRACE("(%p)\n", reserved);
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  /*
   * The first duty of the OleInitialize is to initialize the COM libraries.
   */
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  hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
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  /*
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   * If the CoInitializeEx call failed, the OLE libraries can't be
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   * initialized.
   */
  if (FAILED(hr))
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    return hr;
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  if (!COM_CurrentInfo()->ole_inits)
    hr = S_OK;

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  /*
   * Then, it has to initialize the OLE specific modules.
   * This includes:
   *     Clipboard
   *     Drag and Drop
   *     Object linking and Embedding
   *     In-place activation
   */
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  if (!COM_CurrentInfo()->ole_inits++ &&
      InterlockedIncrement(&OLE_moduleLockCount) == 1)
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  {
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    /*
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     * Initialize the libraries.
     */
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    TRACE("() - Initializing the OLE libraries\n");
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    /*
     * OLE Clipboard
     */
    OLEClipbrd_Initialize();

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    /*
     * Drag and Drop
     */
    OLEDD_Initialize();
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    /*
     * OLE shared menu
     */
    OLEMenu_Initialize();
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  }
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  return hr;
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}

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/******************************************************************************
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 *		OleUninitialize	[OLE32.@]
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 */
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void WINAPI DECLSPEC_HOTPATCH OleUninitialize(void)
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{
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  TRACE("()\n");
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  /*
   * If we hit the bottom of the lock stack, free the libraries.
   */
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  if (!--COM_CurrentInfo()->ole_inits && !InterlockedDecrement(&OLE_moduleLockCount))
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  {
    /*
     * Actually free the libraries.
     */
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    TRACE("() - Freeing the last reference count\n");
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    /*
     * OLE Clipboard
     */
    OLEClipbrd_UnInitialize();

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    /*
     * OLE shared menu
     */
    OLEMenu_UnInitialize();
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  }
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  /*
   * Then, uninitialize the COM libraries.
   */
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  CoUninitialize();
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}
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/******************************************************************************
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 *		OleInitializeWOW	[OLE32.@]
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 */
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HRESULT WINAPI OleInitializeWOW(DWORD x, DWORD y) {
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        FIXME("(0x%08x, 0x%08x),stub!\n",x, y);
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        return 0;
}
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/*************************************************************
 *           get_droptarget_handle
 *
 * Retrieve a handle to the map containing the marshalled IDropTarget.
 * This handle belongs to the process that called RegisterDragDrop.
 * See get_droptarget_local_handle().
 */
static inline HANDLE get_droptarget_handle(HWND hwnd)
{
    return GetPropW(hwnd, prop_marshalleddroptarget);
}

/*************************************************************
 *           is_droptarget
 *
 * Is the window a droptarget.
 */
static inline BOOL is_droptarget(HWND hwnd)
{
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    return get_droptarget_handle(hwnd) != 0;
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}

/*************************************************************
 *           get_droptarget_local_handle
 *
 * Retrieve a handle to the map containing the marshalled IDropTarget.
 * The handle should be closed when finished with.
 */
static HANDLE get_droptarget_local_handle(HWND hwnd)
{
    HANDLE handle, local_handle = 0;

    handle = get_droptarget_handle(hwnd);

    if(handle)
    {
        DWORD pid;
        HANDLE process;

        GetWindowThreadProcessId(hwnd, &pid);
        process = OpenProcess(PROCESS_DUP_HANDLE, FALSE, pid);
        if(process)
        {
            DuplicateHandle(process, handle, GetCurrentProcess(), &local_handle, 0, FALSE, DUPLICATE_SAME_ACCESS);
            CloseHandle(process);
        }
    }
    return local_handle;
}

/***********************************************************************
 *     create_map_from_stream
 *
 * Helper for RegisterDragDrop.  Creates a file mapping object
 * with the contents of the provided stream.  The stream must
 * be a global memory backed stream.
 */
static HRESULT create_map_from_stream(IStream *stream, HANDLE *map)
{
    HGLOBAL hmem;
    DWORD size;
    HRESULT hr;
    void *data;

    hr = GetHGlobalFromStream(stream, &hmem);
    if(FAILED(hr)) return hr;

    size = GlobalSize(hmem);
    *map = CreateFileMappingW(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, size, NULL);
    if(!*map) return E_OUTOFMEMORY;

    data = MapViewOfFile(*map, FILE_MAP_WRITE, 0, 0, size);
    memcpy(data, GlobalLock(hmem), size);
    GlobalUnlock(hmem);
    UnmapViewOfFile(data);
    return S_OK;
}

/***********************************************************************
 *     create_stream_from_map
 *
 * Creates a stream from the provided map.
 */
static HRESULT create_stream_from_map(HANDLE map, IStream **stream)
{
    HRESULT hr = E_OUTOFMEMORY;
    HGLOBAL hmem;
    void *data;
    MEMORY_BASIC_INFORMATION info;

    data = MapViewOfFile(map, FILE_MAP_READ, 0, 0, 0);
    if(!data) return hr;

    VirtualQuery(data, &info, sizeof(info));
    TRACE("size %d\n", (int)info.RegionSize);

    hmem = GlobalAlloc(GMEM_MOVEABLE, info.RegionSize);
    if(hmem)
    {
        memcpy(GlobalLock(hmem), data, info.RegionSize);
        GlobalUnlock(hmem);
        hr = CreateStreamOnHGlobal(hmem, TRUE, stream);
    }
    UnmapViewOfFile(data);
    return hr;
}

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/* This is to work around apps which break COM rules by not implementing
 * IDropTarget::QueryInterface().  Windows doesn't expose this because it
 * doesn't call CoMarshallInterface() in RegisterDragDrop().
 * The wrapper is only used internally, and only exists for the life of
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 * the marshal.  We don't want to hold a ref on the app provided target
 * as some apps destroy this prior to CoUninitialize without calling
 * RevokeDragDrop.  The only (long-term) ref is held by the window prop. */
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typedef struct {
    IDropTarget IDropTarget_iface;
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    HWND hwnd;
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    LONG refs;
} DropTargetWrapper;

static inline DropTargetWrapper* impl_from_IDropTarget(IDropTarget* iface)
{
    return CONTAINING_RECORD(iface, DropTargetWrapper, IDropTarget_iface);
}

static HRESULT WINAPI DropTargetWrapper_QueryInterface(IDropTarget* iface,
                                                       REFIID riid,
                                                       void** ppvObject)
{
    DropTargetWrapper* This = impl_from_IDropTarget(iface);
    if (IsEqualIID(riid, &IID_IUnknown) ||
        IsEqualIID(riid, &IID_IDropTarget))
    {
        IDropTarget_AddRef(&This->IDropTarget_iface);
        *ppvObject = &This->IDropTarget_iface;
        return S_OK;
    }
    *ppvObject = NULL;
    return E_NOINTERFACE;
}

static ULONG WINAPI DropTargetWrapper_AddRef(IDropTarget* iface)
{
    DropTargetWrapper* This = impl_from_IDropTarget(iface);
    return InterlockedIncrement(&This->refs);
}

static ULONG WINAPI DropTargetWrapper_Release(IDropTarget* iface)
{
    DropTargetWrapper* This = impl_from_IDropTarget(iface);
    ULONG refs = InterlockedDecrement(&This->refs);
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    if (!refs) HeapFree(GetProcessHeap(), 0, This);
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    return refs;
}

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static inline HRESULT get_target_from_wrapper( IDropTarget *wrapper, IDropTarget **target )
{
    DropTargetWrapper* This = impl_from_IDropTarget( wrapper );
    *target = GetPropW( This->hwnd, prop_oledroptarget );
    if (!*target) return DRAGDROP_E_NOTREGISTERED;
    IDropTarget_AddRef( *target );
    return S_OK;
}

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static HRESULT WINAPI DropTargetWrapper_DragEnter(IDropTarget* iface,
                                                  IDataObject* pDataObj,
                                                  DWORD grfKeyState,
                                                  POINTL pt,
                                                  DWORD* pdwEffect)
{
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    IDropTarget *target;
    HRESULT r = get_target_from_wrapper( iface, &target );

    if (SUCCEEDED( r ))
    {
        r = IDropTarget_DragEnter( target, pDataObj, grfKeyState, pt, pdwEffect );
        IDropTarget_Release( target );
    }
    return r;
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}

static HRESULT WINAPI DropTargetWrapper_DragOver(IDropTarget* iface,
                                                 DWORD grfKeyState,
                                                 POINTL pt,
                                                 DWORD* pdwEffect)
{
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    IDropTarget *target;
    HRESULT r = get_target_from_wrapper( iface, &target );

    if (SUCCEEDED( r ))
    {
        r = IDropTarget_DragOver( target, grfKeyState, pt, pdwEffect );
        IDropTarget_Release( target );
    }
    return r;
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}

static HRESULT WINAPI DropTargetWrapper_DragLeave(IDropTarget* iface)
{
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    IDropTarget *target;
    HRESULT r = get_target_from_wrapper( iface, &target );

    if (SUCCEEDED( r ))
    {
        r = IDropTarget_DragLeave( target );
        IDropTarget_Release( target );
    }
    return r;
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}

static HRESULT WINAPI DropTargetWrapper_Drop(IDropTarget* iface,
                                             IDataObject* pDataObj,
                                             DWORD grfKeyState,
                                             POINTL pt,
                                             DWORD* pdwEffect)
{
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    IDropTarget *target;
    HRESULT r = get_target_from_wrapper( iface, &target );

    if (SUCCEEDED( r ))
    {
        r = IDropTarget_Drop( target, pDataObj, grfKeyState, pt, pdwEffect );
        IDropTarget_Release( target );
    }
    return r;
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}

static const IDropTargetVtbl DropTargetWrapperVTbl =
{
    DropTargetWrapper_QueryInterface,
    DropTargetWrapper_AddRef,
    DropTargetWrapper_Release,
    DropTargetWrapper_DragEnter,
    DropTargetWrapper_DragOver,
    DropTargetWrapper_DragLeave,
    DropTargetWrapper_Drop
};

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static IDropTarget* WrapDropTarget( HWND hwnd )
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{
    DropTargetWrapper* This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));

    if (This)
    {
        This->IDropTarget_iface.lpVtbl = &DropTargetWrapperVTbl;
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        This->hwnd = hwnd;
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        This->refs = 1;
    }
    return &This->IDropTarget_iface;
}

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/***********************************************************************
 *     get_droptarget_pointer
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 *
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 * Retrieves the marshalled IDropTarget from the window.
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 */
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static IDropTarget* get_droptarget_pointer(HWND hwnd)
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{
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    IDropTarget *droptarget = NULL;
    HANDLE map;
    IStream *stream;

    map = get_droptarget_local_handle(hwnd);
    if(!map) return NULL;

    if(SUCCEEDED(create_stream_from_map(map, &stream)))
    {
        CoUnmarshalInterface(stream, &IID_IDropTarget, (void**)&droptarget);
        IStream_Release(stream);
    }
    CloseHandle(map);
    return droptarget;
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}

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/***********************************************************************
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 *           RegisterDragDrop (OLE32.@)
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 */
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HRESULT WINAPI RegisterDragDrop(HWND hwnd, LPDROPTARGET pDropTarget)
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{
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  DWORD pid = 0;
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  HRESULT hr;
  IStream *stream;
  HANDLE map;
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  IDropTarget *wrapper;
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  TRACE("(%p,%p)\n", hwnd, pDropTarget);
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  if (!COM_CurrentApt())
  {
    ERR("COM not initialized\n");
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    return E_OUTOFMEMORY;
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  }

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  if (!pDropTarget)
    return E_INVALIDARG;
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  if (!IsWindow(hwnd))
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  {
    ERR("invalid hwnd %p\n", hwnd);
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    return DRAGDROP_E_INVALIDHWND;
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  }
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  /* block register for other processes windows */
  GetWindowThreadProcessId(hwnd, &pid);
  if (pid != GetCurrentProcessId())
  {
    FIXME("register for another process windows is disabled\n");
    return DRAGDROP_E_INVALIDHWND;
  }
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  /* check if the window is already registered */
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  if (is_droptarget(hwnd))
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    return DRAGDROP_E_ALREADYREGISTERED;

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  /*
   * Marshal the drop target pointer into a shared memory map and
   * store the map's handle in a Wine specific window prop.  We also
   * store the drop target pointer itself in the
   * "OleDropTargetInterface" prop for compatibility with Windows.
   */
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  hr = CreateStreamOnHGlobal(NULL, TRUE, &stream);
  if(FAILED(hr)) return hr;

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  /* IDropTarget::QueryInterface() shouldn't be called, some (broken) apps depend on this. */
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  wrapper = WrapDropTarget( hwnd );
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  if(!wrapper)
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  {
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    IStream_Release(stream);
    return E_OUTOFMEMORY;
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  }
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  hr = CoMarshalInterface(stream, &IID_IDropTarget, (IUnknown*)wrapper, MSHCTX_LOCAL, NULL, MSHLFLAGS_TABLESTRONG);
  IDropTarget_Release(wrapper);
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  if(SUCCEEDED(hr))
  {
    hr = create_map_from_stream(stream, &map);
    if(SUCCEEDED(hr))
    {
      IDropTarget_AddRef(pDropTarget);
      SetPropW(hwnd, prop_oledroptarget, pDropTarget);
      SetPropW(hwnd, prop_marshalleddroptarget, map);
    }
    else
    {
      LARGE_INTEGER zero;
      zero.QuadPart = 0;
      IStream_Seek(stream, zero, STREAM_SEEK_SET, NULL);
      CoReleaseMarshalData(stream);
    }
  }
  IStream_Release(stream);

  return hr;
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}
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/***********************************************************************
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 *           RevokeDragDrop (OLE32.@)
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 */
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HRESULT WINAPI RevokeDragDrop(HWND hwnd)
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{
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  HANDLE map;
  IStream *stream;
  IDropTarget *drop_target;
  HRESULT hr;
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  TRACE("(%p)\n", hwnd);
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  if (!IsWindow(hwnd))
  {
    ERR("invalid hwnd %p\n", hwnd);
    return DRAGDROP_E_INVALIDHWND;
  }

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  /* no registration data */
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  if (!(map = get_droptarget_handle(hwnd)))
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    return DRAGDROP_E_NOTREGISTERED;

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  drop_target = GetPropW(hwnd, prop_oledroptarget);
  if(drop_target) IDropTarget_Release(drop_target);

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  RemovePropW(hwnd, prop_oledroptarget);
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  RemovePropW(hwnd, prop_marshalleddroptarget);
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  hr = create_stream_from_map(map, &stream);
  if(SUCCEEDED(hr))
  {
      CoReleaseMarshalData(stream);
      IStream_Release(stream);
  }
  CloseHandle(map);

  return hr;
Alexandre Julliard's avatar
Alexandre Julliard committed
665
}
666

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/***********************************************************************
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 *           OleRegGetUserType (OLE32.@)
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 *
 * This implementation of OleRegGetUserType ignores the dwFormOfType
 * parameter and always returns the full name of the object. This is
 * not too bad since this is the case for many objects because of the
 * way they are registered.
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 */
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HRESULT WINAPI OleRegGetUserType(
	REFCLSID clsid,
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	DWORD dwFormOfType,
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	LPOLESTR* pszUserType)
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{
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  WCHAR   keyName[60];
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  DWORD   dwKeyType;
  DWORD   cbData;
  HKEY    clsidKey;
  LONG    hres;
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  /*
   * Initialize the out parameter.
   */
  *pszUserType = NULL;

  /*
   * Build the key name we're looking for
   */
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  sprintfW( keyName, clsidfmtW,
            clsid->Data1, clsid->Data2, clsid->Data3,
            clsid->Data4[0], clsid->Data4[1], clsid->Data4[2], clsid->Data4[3],
            clsid->Data4[4], clsid->Data4[5], clsid->Data4[6], clsid->Data4[7] );
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  TRACE("(%s, %d, %p)\n", debugstr_w(keyName), dwFormOfType, pszUserType);
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  /*
   * Open the class id Key
   */
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  hres = open_classes_key(HKEY_CLASSES_ROOT, keyName, MAXIMUM_ALLOWED, &clsidKey);
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  if (hres != ERROR_SUCCESS)
    return REGDB_E_CLASSNOTREG;

  /*
   * Retrieve the size of the name string.
   */
  cbData = 0;

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  hres = RegQueryValueExW(clsidKey,
			  emptyW,
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			  NULL,
			  &dwKeyType,
			  NULL,
			  &cbData);

  if (hres!=ERROR_SUCCESS)
  {
    RegCloseKey(clsidKey);
    return REGDB_E_READREGDB;
  }

  /*
   * Allocate a buffer for the registry value.
   */
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  *pszUserType = CoTaskMemAlloc(cbData);
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  if (*pszUserType==NULL)
  {
    RegCloseKey(clsidKey);
    return E_OUTOFMEMORY;
  }

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  hres = RegQueryValueExW(clsidKey,
			  emptyW,
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			  NULL,
			  &dwKeyType,
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			  (LPBYTE) *pszUserType,
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			  &cbData);

  RegCloseKey(clsidKey);
745

746
  if (hres != ERROR_SUCCESS)
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  {
    CoTaskMemFree(*pszUserType);
749
    *pszUserType = NULL;
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751
    return REGDB_E_READREGDB;
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  }

754
  return S_OK;
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}

757
/***********************************************************************
758
 * DoDragDrop [OLE32.@]
759
 */
760
HRESULT WINAPI DoDragDrop (
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  IDataObject *pDataObject,  /* [in] ptr to the data obj           */
  IDropSource* pDropSource,  /* [in] ptr to the source obj         */
  DWORD       dwOKEffect,    /* [in] effects allowed by the source */
  DWORD       *pdwEffect)    /* [out] ptr to effects of the source */
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{
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  static const WCHAR trackerW[] = {'T','r','a','c','k','e','r','W','i','n','d','o','w',0};
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  TrackerWindowInfo trackerInfo;
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  HWND            hwndTrackWindow;
  MSG             msg;
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  TRACE("(%p, %p, %08x, %p)\n", pDataObject, pDropSource, dwOKEffect, pdwEffect);
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  if (!pDataObject || !pDropSource || !pdwEffect)
      return E_INVALIDARG;
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  /*
   * Setup the drag n drop tracking window.
   */
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  trackerInfo.dataObject        = pDataObject;
  trackerInfo.dropSource        = pDropSource;
  trackerInfo.dwOKEffect        = dwOKEffect;
  trackerInfo.pdwEffect         = pdwEffect;
  trackerInfo.trackingDone      = FALSE;
  trackerInfo.escPressed        = FALSE;
  trackerInfo.curDragTargetHWND = 0;
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  trackerInfo.curTargetHWND     = 0;
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  trackerInfo.curDragTarget     = 0;

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  hwndTrackWindow = CreateWindowW(OLEDD_DRAGTRACKERCLASS, trackerW,
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                                  WS_POPUP, CW_USEDEFAULT, CW_USEDEFAULT,
                                  CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, 0,
                                  &trackerInfo);
794

795
  if (hwndTrackWindow)
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  {
    /*
     * Capture the mouse input
     */
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    SetCapture(hwndTrackWindow);
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    msg.message = 0;

804
    /*
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     * Pump messages. All mouse input should go to the capture window.
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     */
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    while (!trackerInfo.trackingDone && GetMessageW(&msg, 0, 0, 0) )
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    {
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      trackerInfo.curMousePos.x = msg.pt.x;
      trackerInfo.curMousePos.y = msg.pt.y;
      trackerInfo.dwKeyState = OLEDD_GetButtonState();
	    
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      if ( (msg.message >= WM_KEYFIRST) &&
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	   (msg.message <= WM_KEYLAST) )
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      {
	/*
	 * When keyboard messages are sent to windows on this thread, we
	 * want to ignore notify the drop source that the state changed.
	 * in the case of the Escape key, we also notify the drop source
	 * we give it a special meaning.
	 */
	if ( (msg.message==WM_KEYDOWN) &&
	     (msg.wParam==VK_ESCAPE) )
	{
	  trackerInfo.escPressed = TRUE;
	}

	/*
	 * Notify the drop source.
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	 */
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        OLEDD_TrackStateChange(&trackerInfo);
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      }
      else
      {
	/*
	 * Dispatch the messages only when it's not a keyboard message.
	 */
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	DispatchMessageW(&msg);
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      }
    }

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    /* re-post the quit message to outer message loop */
    if (msg.message == WM_QUIT)
        PostQuitMessage(msg.wParam);
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    /*
     * Destroy the temporary window.
     */
848
    DestroyWindow(hwndTrackWindow);
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    return trackerInfo.returnValue;
  }

  return E_FAIL;
}

/***********************************************************************
857
 * OleQueryLinkFromData [OLE32.@]
858
 */
859
HRESULT WINAPI OleQueryLinkFromData(
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  IDataObject* pSrcDataObject)
{
862
  FIXME("(%p),stub!\n", pSrcDataObject);
863
  return S_FALSE;
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}

/***********************************************************************
867
 * OleRegGetMiscStatus [OLE32.@]
868
 */
869
HRESULT WINAPI OleRegGetMiscStatus(
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  REFCLSID clsid,
  DWORD    dwAspect,
  DWORD*   pdwStatus)
{
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  static const WCHAR miscstatusW[] = {'M','i','s','c','S','t','a','t','u','s',0};
  static const WCHAR dfmtW[] = {'%','d',0};
  WCHAR   keyName[60];
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  HKEY    clsidKey;
  HKEY    miscStatusKey;
  HKEY    aspectKey;
  LONG    result;

  /*
   * Build the key name we're looking for
   */
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  sprintfW( keyName, clsidfmtW,
            clsid->Data1, clsid->Data2, clsid->Data3,
            clsid->Data4[0], clsid->Data4[1], clsid->Data4[2], clsid->Data4[3],
            clsid->Data4[4], clsid->Data4[5], clsid->Data4[6], clsid->Data4[7] );
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890
  TRACE("(%s, %d, %p)\n", debugstr_w(keyName), dwAspect, pdwStatus);
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  if (!pdwStatus) return E_INVALIDARG;

  *pdwStatus = 0;

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  if (actctx_get_miscstatus(clsid, dwAspect, pdwStatus)) return S_OK;

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  /*
   * Open the class id Key
   */
901
  result = open_classes_key(HKEY_CLASSES_ROOT, keyName, MAXIMUM_ALLOWED, &clsidKey);
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  if (result != ERROR_SUCCESS)
    return REGDB_E_CLASSNOTREG;

  /*
   * Get the MiscStatus
   */
908
  result = open_classes_key(clsidKey, miscstatusW, MAXIMUM_ALLOWED, &miscStatusKey);
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  if (result != ERROR_SUCCESS)
  {
    RegCloseKey(clsidKey);
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    return S_OK;
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  }

  /*
   * Read the default value
   */
  OLEUTL_ReadRegistryDWORDValue(miscStatusKey, pdwStatus);

  /*
   * Open the key specific to the requested aspect.
   */
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  sprintfW(keyName, dfmtW, dwAspect);
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925
  result = open_classes_key(miscStatusKey, keyName, MAXIMUM_ALLOWED, &aspectKey);
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  if (result == ERROR_SUCCESS)
  {
    OLEUTL_ReadRegistryDWORDValue(aspectKey, pdwStatus);
    RegCloseKey(aspectKey);
  }

  /*
   * Cleanup
   */
  RegCloseKey(miscStatusKey);
  RegCloseKey(clsidKey);

  return S_OK;
}

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static HRESULT EnumOLEVERB_Construct(HKEY hkeyVerb, ULONG index, IEnumOLEVERB **ppenum);

typedef struct
{
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    IEnumOLEVERB IEnumOLEVERB_iface;
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    LONG ref;

    HKEY hkeyVerb;
    ULONG index;
} EnumOLEVERB;

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static inline EnumOLEVERB *impl_from_IEnumOLEVERB(IEnumOLEVERB *iface)
{
    return CONTAINING_RECORD(iface, EnumOLEVERB, IEnumOLEVERB_iface);
}

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static HRESULT WINAPI EnumOLEVERB_QueryInterface(
    IEnumOLEVERB *iface, REFIID riid, void **ppv)
{
    TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
    if (IsEqualIID(riid, &IID_IUnknown) ||
        IsEqualIID(riid, &IID_IEnumOLEVERB))
    {
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        IEnumOLEVERB_AddRef(iface);
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        *ppv = iface;
        return S_OK;
    }
    return E_NOINTERFACE;
}

static ULONG WINAPI EnumOLEVERB_AddRef(
    IEnumOLEVERB *iface)
{
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    EnumOLEVERB *This = impl_from_IEnumOLEVERB(iface);
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    TRACE("()\n");
    return InterlockedIncrement(&This->ref);
}

static ULONG WINAPI EnumOLEVERB_Release(
    IEnumOLEVERB *iface)
{
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    EnumOLEVERB *This = impl_from_IEnumOLEVERB(iface);
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    LONG refs = InterlockedDecrement(&This->ref);
    TRACE("()\n");
    if (!refs)
    {
        RegCloseKey(This->hkeyVerb);
        HeapFree(GetProcessHeap(), 0, This);
    }
    return refs;
}

static HRESULT WINAPI EnumOLEVERB_Next(
    IEnumOLEVERB *iface, ULONG celt, LPOLEVERB rgelt,
    ULONG *pceltFetched)
{
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    EnumOLEVERB *This = impl_from_IEnumOLEVERB(iface);
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    HRESULT hr = S_OK;

1000
    TRACE("(%d, %p, %p)\n", celt, rgelt, pceltFetched);
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    if (pceltFetched)
        *pceltFetched = 0;

    for (; celt; celt--, rgelt++)
    {
        WCHAR wszSubKey[20];
        LONG cbData;
        LPWSTR pwszOLEVERB;
        LPWSTR pwszMenuFlags;
        LPWSTR pwszAttribs;
        LONG res = RegEnumKeyW(This->hkeyVerb, This->index, wszSubKey, sizeof(wszSubKey)/sizeof(wszSubKey[0]));
        if (res == ERROR_NO_MORE_ITEMS)
        {
            hr = S_FALSE;
            break;
        }
        else if (res != ERROR_SUCCESS)
        {
1020
            ERR("RegEnumKeyW failed with error %d\n", res);
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            hr = REGDB_E_READREGDB;
            break;
        }
        res = RegQueryValueW(This->hkeyVerb, wszSubKey, NULL, &cbData);
        if (res != ERROR_SUCCESS)
        {
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            ERR("RegQueryValueW failed with error %d\n", res);
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            hr = REGDB_E_READREGDB;
            break;
        }
        pwszOLEVERB = CoTaskMemAlloc(cbData);
        if (!pwszOLEVERB)
        {
            hr = E_OUTOFMEMORY;
            break;
        }
        res = RegQueryValueW(This->hkeyVerb, wszSubKey, pwszOLEVERB, &cbData);
        if (res != ERROR_SUCCESS)
        {
1040
            ERR("RegQueryValueW failed with error %d\n", res);
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            hr = REGDB_E_READREGDB;
            CoTaskMemFree(pwszOLEVERB);
            break;
        }

        TRACE("verb string: %s\n", debugstr_w(pwszOLEVERB));
        pwszMenuFlags = strchrW(pwszOLEVERB, ',');
        if (!pwszMenuFlags)
        {
            hr = OLEOBJ_E_INVALIDVERB;
            CoTaskMemFree(pwszOLEVERB);
            break;
        }
        /* nul terminate the name string and advance to first character */
        *pwszMenuFlags = '\0';
        pwszMenuFlags++;
        pwszAttribs = strchrW(pwszMenuFlags, ',');
        if (!pwszAttribs)
        {
            hr = OLEOBJ_E_INVALIDVERB;
            CoTaskMemFree(pwszOLEVERB);
            break;
        }
        /* nul terminate the menu string and advance to first character */
        *pwszAttribs = '\0';
        pwszAttribs++;

        /* fill out structure for this verb */
        rgelt->lVerb = atolW(wszSubKey);
        rgelt->lpszVerbName = pwszOLEVERB; /* user should free */
        rgelt->fuFlags = atolW(pwszMenuFlags);
        rgelt->grfAttribs = atolW(pwszAttribs);

        if (pceltFetched)
1075
            (*pceltFetched)++;
1076 1077 1078 1079 1080 1081 1082 1083
        This->index++;
    }
    return hr;
}

static HRESULT WINAPI EnumOLEVERB_Skip(
    IEnumOLEVERB *iface, ULONG celt)
{
1084
    EnumOLEVERB *This = impl_from_IEnumOLEVERB(iface);
1085

1086
    TRACE("(%d)\n", celt);
1087 1088 1089 1090 1091 1092 1093 1094

    This->index += celt;
    return S_OK;
}

static HRESULT WINAPI EnumOLEVERB_Reset(
    IEnumOLEVERB *iface)
{
1095
    EnumOLEVERB *This = impl_from_IEnumOLEVERB(iface);
1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106

    TRACE("()\n");

    This->index = 0;
    return S_OK;
}

static HRESULT WINAPI EnumOLEVERB_Clone(
    IEnumOLEVERB *iface,
    IEnumOLEVERB **ppenum)
{
1107
    EnumOLEVERB *This = impl_from_IEnumOLEVERB(iface);
1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133
    HKEY hkeyVerb;
    TRACE("(%p)\n", ppenum);
    if (!DuplicateHandle(GetCurrentProcess(), This->hkeyVerb, GetCurrentProcess(), (HANDLE *)&hkeyVerb, 0, FALSE, DUPLICATE_SAME_ACCESS))
        return HRESULT_FROM_WIN32(GetLastError());
    return EnumOLEVERB_Construct(hkeyVerb, This->index, ppenum);
}

static const IEnumOLEVERBVtbl EnumOLEVERB_VTable =
{
    EnumOLEVERB_QueryInterface,
    EnumOLEVERB_AddRef,
    EnumOLEVERB_Release,
    EnumOLEVERB_Next,
    EnumOLEVERB_Skip,
    EnumOLEVERB_Reset,
    EnumOLEVERB_Clone
};

static HRESULT EnumOLEVERB_Construct(HKEY hkeyVerb, ULONG index, IEnumOLEVERB **ppenum)
{
    EnumOLEVERB *This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
    if (!This)
    {
        RegCloseKey(hkeyVerb);
        return E_OUTOFMEMORY;
    }
1134
    This->IEnumOLEVERB_iface.lpVtbl = &EnumOLEVERB_VTable;
1135 1136 1137
    This->ref = 1;
    This->index = index;
    This->hkeyVerb = hkeyVerb;
1138 1139
    *ppenum = &This->IEnumOLEVERB_iface;
    return S_OK;
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}

/***********************************************************************
 *           OleRegEnumVerbs    [OLE32.@]
 *
 * Enumerates verbs associated with a class stored in the registry.
 *
 * PARAMS
 *  clsid  [I] Class ID to enumerate the verbs for.
 *  ppenum [O] Enumerator.
 *
 * RETURNS
 *  S_OK: Success.
 *  REGDB_E_CLASSNOTREG: The specified class does not have a key in the registry.
 *  REGDB_E_READREGDB: The class key could not be opened for some other reason.
 *  OLE_E_REGDB_KEY: The Verb subkey for the class is not present.
 *  OLEOBJ_E_NOVERBS: The Verb subkey for the class is empty.
 */
HRESULT WINAPI OleRegEnumVerbs (REFCLSID clsid, LPENUMOLEVERB* ppenum)
{
    LONG res;
    HKEY hkeyVerb;
    DWORD dwSubKeys;
    static const WCHAR wszVerb[] = {'V','e','r','b',0};

    TRACE("(%s, %p)\n", debugstr_guid(clsid), ppenum);

1167 1168
    res = COM_OpenKeyForCLSID(clsid, wszVerb, KEY_READ, &hkeyVerb);
    if (FAILED(res))
1169
    {
1170 1171 1172 1173 1174
        if (res == REGDB_E_CLASSNOTREG)
            ERR("CLSID %s not registered\n", debugstr_guid(clsid));
        else if (res == REGDB_E_KEYMISSING)
            ERR("no Verbs key for class %s\n", debugstr_guid(clsid));
        else
1175
            ERR("failed to open Verbs key for CLSID %s with error %d\n",
1176 1177
                debugstr_guid(clsid), res);
        return res;
1178 1179 1180 1181 1182 1183
    }

    res = RegQueryInfoKeyW(hkeyVerb, NULL, NULL, NULL, &dwSubKeys, NULL,
                          NULL, NULL, NULL, NULL, NULL, NULL);
    if (res != ERROR_SUCCESS)
    {
1184
        ERR("failed to get subkey count with error %d\n", GetLastError());
1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197
        return REGDB_E_READREGDB;
    }

    if (!dwSubKeys)
    {
        WARN("class %s has no verbs\n", debugstr_guid(clsid));
        RegCloseKey(hkeyVerb);
        return OLEOBJ_E_NOVERBS;
    }

    return EnumOLEVERB_Construct(hkeyVerb, 0, ppenum);
}

1198
/******************************************************************************
1199
 *              OleSetContainedObject        [OLE32.@]
1200 1201
 */
HRESULT WINAPI OleSetContainedObject(
1202
  LPUNKNOWN pUnknown,
1203 1204 1205 1206 1207
  BOOL      fContained)
{
  IRunnableObject* runnable = NULL;
  HRESULT          hres;

1208
  TRACE("(%p,%x)\n", pUnknown, fContained);
1209 1210 1211

  hres = IUnknown_QueryInterface(pUnknown,
				 &IID_IRunnableObject,
1212
				 (void**)&runnable);
1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225

  if (SUCCEEDED(hres))
  {
    hres = IRunnableObject_SetContainedObject(runnable, fContained);

    IRunnableObject_Release(runnable);

    return hres;
  }

  return S_OK;
}

1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253
/******************************************************************************
 *              OleRun        [OLE32.@]
 *
 * Set the OLE object to the running state.
 *
 * PARAMS
 *  pUnknown [I] OLE object to run.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: Any HRESULT code.
 */
HRESULT WINAPI OleRun(LPUNKNOWN pUnknown)
{
    IRunnableObject *runable;
    HRESULT hres;

    TRACE("(%p)\n", pUnknown);

    hres = IUnknown_QueryInterface(pUnknown, &IID_IRunnableObject, (void**)&runable);
    if (FAILED(hres))
        return S_OK; /* Appears to return no error. */

    hres = IRunnableObject_Run(runable, NULL);
    IRunnableObject_Release(runable);
    return hres;
}

1254
/******************************************************************************
1255
 *              OleLoad        [OLE32.@]
1256 1257
 */
HRESULT WINAPI OleLoad(
1258 1259 1260
  LPSTORAGE       pStg,
  REFIID          riid,
  LPOLECLIENTSITE pClientSite,
1261 1262 1263
  LPVOID*         ppvObj)
{
  IPersistStorage* persistStorage = NULL;
1264 1265
  IUnknown*        pUnk;
  IOleObject*      pOleObject      = NULL;
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  STATSTG          storageInfo;
  HRESULT          hres;

1269
  TRACE("(%p, %s, %p, %p)\n", pStg, debugstr_guid(riid), pClientSite, ppvObj);
1270

1271 1272
  *ppvObj = NULL;

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  /*
   * TODO, Conversion ... OleDoAutoConvert
   */

  /*
   * Get the class ID for the object.
   */
  hres = IStorage_Stat(pStg, &storageInfo, STATFLAG_NONAME);
1281 1282
  if (FAILED(hres))
    return hres;
1283 1284 1285 1286 1287 1288

  /*
   * Now, try and create the handler for the object
   */
  hres = CoCreateInstance(&storageInfo.clsid,
			  NULL,
1289
			  CLSCTX_INPROC_HANDLER|CLSCTX_INPROC_SERVER,
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			  riid,
			  (void**)&pUnk);
1292 1293 1294 1295 1296 1297 1298 1299 1300

  /*
   * If that fails, as it will most times, load the default
   * OLE handler.
   */
  if (FAILED(hres))
  {
    hres = OleCreateDefaultHandler(&storageInfo.clsid,
				   NULL,
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				   riid,
				   (void**)&pUnk);
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  }

  /*
   * If we couldn't find a handler... this is bad. Abort the whole thing.
   */
  if (FAILED(hres))
    return hres;

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  if (pClientSite)
  {
    hres = IUnknown_QueryInterface(pUnk, &IID_IOleObject, (void **)&pOleObject);
    if (SUCCEEDED(hres))
    {
        DWORD dwStatus;
        hres = IOleObject_GetMiscStatus(pOleObject, DVASPECT_CONTENT, &dwStatus);
    }
  }
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  /*
   * Initialize the object with its IPersistStorage interface.
   */
1324
  hres = IUnknown_QueryInterface(pUnk, &IID_IPersistStorage, (void**)&persistStorage);
1325
  if (SUCCEEDED(hres))
1326
  {
1327
    hres = IPersistStorage_Load(persistStorage, pStg);
1328 1329 1330 1331 1332

    IPersistStorage_Release(persistStorage);
    persistStorage = NULL;
  }

1333 1334
  if (SUCCEEDED(hres) && pClientSite)
    /*
1335
     * Inform the new object of its client site.
1336 1337
     */
    hres = IOleObject_SetClientSite(pOleObject, pClientSite);
1338 1339 1340 1341

  /*
   * Cleanup interfaces used internally
   */
1342 1343 1344
  if (pOleObject)
    IOleObject_Release(pOleObject);

1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356
  if (SUCCEEDED(hres))
  {
    IOleLink *pOleLink;
    HRESULT hres1;
    hres1 = IUnknown_QueryInterface(pUnk, &IID_IOleLink, (void **)&pOleLink);
    if (SUCCEEDED(hres1))
    {
      FIXME("handle OLE link\n");
      IOleLink_Release(pOleLink);
    }
  }

1357 1358 1359 1360 1361 1362 1363
  if (FAILED(hres))
  {
    IUnknown_Release(pUnk);
    pUnk = NULL;
  }

  *ppvObj = pUnk;
1364 1365

  return hres;
1366 1367
}

1368
/***********************************************************************
1369
 *           OleSave     [OLE32.@]
1370 1371 1372 1373 1374 1375 1376 1377 1378
 */
HRESULT WINAPI OleSave(
  LPPERSISTSTORAGE pPS,
  LPSTORAGE        pStg,
  BOOL             fSameAsLoad)
{
  HRESULT hres;
  CLSID   objectClass;

1379
  TRACE("(%p,%p,%x)\n", pPS, pStg, fSameAsLoad);
1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401

  /*
   * First, we transfer the class ID (if available)
   */
  hres = IPersistStorage_GetClassID(pPS, &objectClass);

  if (SUCCEEDED(hres))
  {
    WriteClassStg(pStg, &objectClass);
  }

  /*
   * Then, we ask the object to save itself to the
   * storage. If it is successful, we commit the storage.
   */
  hres = IPersistStorage_Save(pPS, pStg, fSameAsLoad);

  if (SUCCEEDED(hres))
  {
    IStorage_Commit(pStg,
		    STGC_DEFAULT);
  }
1402

1403 1404 1405 1406
  return hres;
}


1407
/******************************************************************************
1408
 *              OleLockRunning        [OLE32.@]
1409
 */
1410
HRESULT WINAPI OleLockRunning(LPUNKNOWN pUnknown, BOOL fLock, BOOL fLastUnlockCloses)
1411 1412 1413 1414 1415 1416 1417 1418
{
  IRunnableObject* runnable = NULL;
  HRESULT          hres;

  TRACE("(%p,%x,%x)\n", pUnknown, fLock, fLastUnlockCloses);

  hres = IUnknown_QueryInterface(pUnknown,
				 &IID_IRunnableObject,
1419
				 (void**)&runnable);
1420 1421 1422 1423 1424 1425 1426 1427 1428

  if (SUCCEEDED(hres))
  {
    hres = IRunnableObject_LockRunning(runnable, fLock, fLastUnlockCloses);

    IRunnableObject_Release(runnable);

    return hres;
  }
1429 1430

  return S_OK;
1431 1432 1433
}


1434 1435 1436 1437 1438 1439 1440 1441 1442 1443
/**************************************************************************
 * Internal methods to manage the shared OLE menu in response to the
 * OLE***MenuDescriptor API
 */

/***
 * OLEMenu_Initialize()
 *
 * Initializes the OLEMENU data structures.
 */
1444
static void OLEMenu_Initialize(void)
1445 1446 1447 1448 1449 1450 1451 1452
{
}

/***
 * OLEMenu_UnInitialize()
 *
 * Releases the OLEMENU data structures.
 */
1453
static void OLEMenu_UnInitialize(void)
1454 1455 1456 1457 1458 1459 1460
{
}

/*************************************************************************
 * OLEMenu_InstallHooks
 * Install thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC
 *
1461
 * RETURNS: TRUE if message hooks were successfully installed
1462 1463
 *          FALSE on failure
 */
1464
static BOOL OLEMenu_InstallHooks( DWORD tid )
1465
{
1466
  OleMenuHookItem *pHookItem;
1467 1468 1469 1470 1471 1472 1473 1474

  /* Create an entry for the hook table */
  if ( !(pHookItem = HeapAlloc(GetProcessHeap(), 0,
                               sizeof(OleMenuHookItem)) ) )
    return FALSE;

  pHookItem->tid = tid;
  pHookItem->hHeap = GetProcessHeap();
1475
  pHookItem->CallWndProc_hHook = NULL;
1476

1477
  /* Install a thread scope message hook for WH_GETMESSAGE */
1478
  pHookItem->GetMsg_hHook = SetWindowsHookExW( WH_GETMESSAGE, OLEMenu_GetMsgProc,
1479 1480 1481 1482 1483
                                               0, GetCurrentThreadId() );
  if ( !pHookItem->GetMsg_hHook )
    goto CLEANUP;

  /* Install a thread scope message hook for WH_CALLWNDPROC */
1484
  pHookItem->CallWndProc_hHook = SetWindowsHookExW( WH_CALLWNDPROC, OLEMenu_CallWndProc,
1485 1486 1487 1488 1489
                                                    0, GetCurrentThreadId() );
  if ( !pHookItem->CallWndProc_hHook )
    goto CLEANUP;

  /* Insert the hook table entry */
1490 1491
  pHookItem->next = hook_list;
  hook_list = pHookItem;
1492

1493
  return TRUE;
1494

1495 1496 1497 1498 1499 1500 1501 1502
CLEANUP:
  /* Unhook any hooks */
  if ( pHookItem->GetMsg_hHook )
    UnhookWindowsHookEx( pHookItem->GetMsg_hHook );
  if ( pHookItem->CallWndProc_hHook )
    UnhookWindowsHookEx( pHookItem->CallWndProc_hHook );
  /* Release the hook table entry */
  HeapFree(pHookItem->hHeap, 0, pHookItem );
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1504 1505 1506 1507 1508 1509 1510
  return FALSE;
}

/*************************************************************************
 * OLEMenu_UnInstallHooks
 * UnInstall thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC
 *
1511
 * RETURNS: TRUE if message hooks were successfully installed
1512 1513
 *          FALSE on failure
 */
1514
static BOOL OLEMenu_UnInstallHooks( DWORD tid )
1515 1516
{
  OleMenuHookItem *pHookItem = NULL;
1517
  OleMenuHookItem **ppHook = &hook_list;
1518

1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529
  while (*ppHook)
  {
      if ((*ppHook)->tid == tid)
      {
          pHookItem = *ppHook;
          *ppHook = pHookItem->next;
          break;
      }
      ppHook = &(*ppHook)->next;
  }
  if (!pHookItem) return FALSE;
1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543

  /* Uninstall the hooks installed for this thread */
  if ( !UnhookWindowsHookEx( pHookItem->GetMsg_hHook ) )
    goto CLEANUP;
  if ( !UnhookWindowsHookEx( pHookItem->CallWndProc_hHook ) )
    goto CLEANUP;

  /* Release the hook table entry */
  HeapFree(pHookItem->hHeap, 0, pHookItem );

  return TRUE;

CLEANUP:
  /* Release the hook table entry */
1544
  HeapFree(pHookItem->hHeap, 0, pHookItem );
1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555

  return FALSE;
}

/*************************************************************************
 * OLEMenu_IsHookInstalled
 * Tests if OLEMenu hooks have been installed for a thread
 *
 * RETURNS: The pointer and index of the hook table entry for the tid
 *          NULL and -1 for the index if no hooks were installed for this thread
 */
1556
static OleMenuHookItem * OLEMenu_IsHookInstalled( DWORD tid )
1557
{
1558
  OleMenuHookItem *pHookItem;
1559 1560 1561

  /* Do a simple linear search for an entry whose tid matches ours.
   * We really need a map but efficiency is not a concern here. */
1562
  for (pHookItem = hook_list; pHookItem; pHookItem = pHookItem->next)
1563 1564 1565 1566
  {
    if ( tid == pHookItem->tid )
      return pHookItem;
  }
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1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580
  return NULL;
}

/***********************************************************************
 *           OLEMenu_FindMainMenuIndex
 *
 * Used by OLEMenu API to find the top level group a menu item belongs to.
 * On success pnPos contains the index of the item in the top level menu group
 *
 * RETURNS: TRUE if the ID was found, FALSE on failure
 */
static BOOL OLEMenu_FindMainMenuIndex( HMENU hMainMenu, HMENU hPopupMenu, UINT *pnPos )
{
1581
  INT i, nItems;
1582 1583 1584 1585 1586 1587

  nItems = GetMenuItemCount( hMainMenu );

  for (i = 0; i < nItems; i++)
  {
    HMENU hsubmenu;
1588

1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619
    /*  Is the current item a submenu? */
    if ( (hsubmenu = GetSubMenu(hMainMenu, i)) )
    {
      /* If the handle is the same we're done */
      if ( hsubmenu == hPopupMenu )
      {
        if (pnPos)
          *pnPos = i;
        return TRUE;
      }
      /* Recursively search without updating pnPos */
      else if ( OLEMenu_FindMainMenuIndex( hsubmenu, hPopupMenu, NULL ) )
      {
        if (pnPos)
          *pnPos = i;
        return TRUE;
      }
    }
  }

  return FALSE;
}

/***********************************************************************
 *           OLEMenu_SetIsServerMenu
 *
 * Checks whether a popup menu belongs to a shared menu group which is
 * owned by the server, and sets the menu descriptor state accordingly.
 * All menu messages from these groups should be routed to the server.
 *
 * RETURNS: TRUE if the popup menu is part of a server owned group
1620
 *          FALSE if the popup menu is part of a container owned group
1621
 */
1622
static BOOL OLEMenu_SetIsServerMenu( HMENU hmenu, OleMenuDescriptor *pOleMenuDescriptor )
1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634
{
  UINT nPos = 0, nWidth, i;

  pOleMenuDescriptor->bIsServerItem = FALSE;

  /* Don't bother searching if the popup is the combined menu itself */
  if ( hmenu == pOleMenuDescriptor->hmenuCombined )
    return FALSE;

  /* Find the menu item index in the shared OLE menu that this item belongs to */
  if ( !OLEMenu_FindMainMenuIndex( pOleMenuDescriptor->hmenuCombined, hmenu,  &nPos ) )
    return FALSE;
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1636 1637 1638 1639
  /* The group widths array has counts for the number of elements
   * in the groups File, Edit, Container, Object, Window, Help.
   * The Edit, Object & Help groups belong to the server object
   * and the other three belong to the container.
1640
   * Loop through the group widths and locate the group we are a member of.
1641 1642 1643 1644 1645 1646 1647
   */
  for ( i = 0, nWidth = 0; i < 6; i++ )
  {
    nWidth += pOleMenuDescriptor->mgw.width[i];
    if ( nPos < nWidth )
    {
      /* Odd elements are server menu widths */
1648
      pOleMenuDescriptor->bIsServerItem = i%2;
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      break;
    }
  }

  return pOleMenuDescriptor->bIsServerItem;
}

/*************************************************************************
 * OLEMenu_CallWndProc
 * Thread scope WH_CALLWNDPROC hook proc filter function (callback)
 * This is invoked from a message hook installed in OleSetMenuDescriptor.
 */
1661
static LRESULT CALLBACK OLEMenu_CallWndProc(INT code, WPARAM wParam, LPARAM lParam)
1662
{
1663
  LPCWPSTRUCT pMsg;
1664 1665 1666 1667
  HOLEMENU hOleMenu = 0;
  OleMenuDescriptor *pOleMenuDescriptor = NULL;
  OleMenuHookItem *pHookItem = NULL;
  WORD fuFlags;
1668

1669
  TRACE("%i, %04lx, %08lx\n", code, wParam, lParam );
1670 1671 1672 1673

  /* Check if we're being asked to process the message */
  if ( HC_ACTION != code )
    goto NEXTHOOK;
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1675 1676 1677 1678 1679 1680 1681
  /* Retrieve the current message being dispatched from lParam */
  pMsg = (LPCWPSTRUCT)lParam;

  /* Check if the message is destined for a window we are interested in:
   * If the window has an OLEMenu property we may need to dispatch
   * the menu message to its active objects window instead. */

1682
  hOleMenu = GetPropW( pMsg->hwnd, prop_olemenuW );
1683 1684 1685 1686
  if ( !hOleMenu )
    goto NEXTHOOK;

  /* Get the menu descriptor */
1687
  pOleMenuDescriptor = GlobalLock( hOleMenu );
1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699
  if ( !pOleMenuDescriptor ) /* Bad descriptor! */
    goto NEXTHOOK;

  /* Process menu messages */
  switch( pMsg->message )
  {
    case WM_INITMENU:
    {
      /* Reset the menu descriptor state */
      pOleMenuDescriptor->bIsServerItem = FALSE;

      /* Send this message to the server as well */
1700
      SendMessageW( pOleMenuDescriptor->hwndActiveObject,
1701 1702 1703
                  pMsg->message, pMsg->wParam, pMsg->lParam );
      goto NEXTHOOK;
    }
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1705 1706 1707 1708 1709 1710
    case WM_INITMENUPOPUP:
    {
      /* Save the state for whether this is a server owned menu */
      OLEMenu_SetIsServerMenu( (HMENU)pMsg->wParam, pOleMenuDescriptor );
      break;
    }
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1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723
    case WM_MENUSELECT:
    {
      fuFlags = HIWORD(pMsg->wParam);  /* Get flags */
      if ( fuFlags & MF_SYSMENU )
         goto NEXTHOOK;

      /* Save the state for whether this is a server owned popup menu */
      else if ( fuFlags & MF_POPUP )
        OLEMenu_SetIsServerMenu( (HMENU)pMsg->lParam, pOleMenuDescriptor );

      break;
    }
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1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740
    case WM_DRAWITEM:
    {
      LPDRAWITEMSTRUCT lpdis = (LPDRAWITEMSTRUCT) pMsg->lParam;
      if ( pMsg->wParam != 0 || lpdis->CtlType != ODT_MENU )
        goto NEXTHOOK;  /* Not a menu message */

      break;
    }

    default:
      goto NEXTHOOK;
  }

  /* If the message was for the server dispatch it accordingly */
  if ( pOleMenuDescriptor->bIsServerItem )
  {
1741
    SendMessageW( pOleMenuDescriptor->hwndActiveObject,
1742 1743
                  pMsg->message, pMsg->wParam, pMsg->lParam );
  }
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1745 1746 1747
NEXTHOOK:
  if ( pOleMenuDescriptor )
    GlobalUnlock( hOleMenu );
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1749
  /* Lookup the hook item for the current thread */
1750
  if ( !( pHookItem = OLEMenu_IsHookInstalled( GetCurrentThreadId() ) ) )
1751 1752
  {
    /* This should never fail!! */
1753
    WARN("could not retrieve hHook for current thread!\n" );
1754 1755
    return 0;
  }
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1757 1758 1759 1760 1761 1762 1763 1764 1765
  /* Pass on the message to the next hooker */
  return CallNextHookEx( pHookItem->CallWndProc_hHook, code, wParam, lParam );
}

/*************************************************************************
 * OLEMenu_GetMsgProc
 * Thread scope WH_GETMESSAGE hook proc filter function (callback)
 * This is invoked from a message hook installed in OleSetMenuDescriptor.
 */
1766
static LRESULT CALLBACK OLEMenu_GetMsgProc(INT code, WPARAM wParam, LPARAM lParam)
1767
{
1768
  LPMSG pMsg;
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  HOLEMENU hOleMenu = 0;
  OleMenuDescriptor *pOleMenuDescriptor = NULL;
  OleMenuHookItem *pHookItem = NULL;
  WORD wCode;
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1774
  TRACE("%i, %04lx, %08lx\n", code, wParam, lParam );
1775 1776 1777 1778

  /* Check if we're being asked to process a  messages */
  if ( HC_ACTION != code )
    goto NEXTHOOK;
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  /* Retrieve the current message being dispatched from lParam */
  pMsg = (LPMSG)lParam;

  /* Check if the message is destined for a window we are interested in:
   * If the window has an OLEMenu property we may need to dispatch
   * the menu message to its active objects window instead. */

1787
  hOleMenu = GetPropW( pMsg->hwnd, prop_olemenuW );
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  if ( !hOleMenu )
    goto NEXTHOOK;

  /* Process menu messages */
  switch( pMsg->message )
  {
    case WM_COMMAND:
    {
      wCode = HIWORD(pMsg->wParam);  /* Get notification code */
      if ( wCode )
        goto NEXTHOOK;  /* Not a menu message */
      break;
    }
    default:
      goto NEXTHOOK;
  }

  /* Get the menu descriptor */
1806
  pOleMenuDescriptor = GlobalLock( hOleMenu );
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  if ( !pOleMenuDescriptor ) /* Bad descriptor! */
    goto NEXTHOOK;

  /* If the message was for the server dispatch it accordingly */
  if ( pOleMenuDescriptor->bIsServerItem )
  {
    /* Change the hWnd in the message to the active objects hWnd.
     * The message loop which reads this message will automatically
     * dispatch it to the embedded objects window. */
    pMsg->hwnd = pOleMenuDescriptor->hwndActiveObject;
  }
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1819 1820 1821
NEXTHOOK:
  if ( pOleMenuDescriptor )
    GlobalUnlock( hOleMenu );
1822

1823
  /* Lookup the hook item for the current thread */
1824
  if ( !( pHookItem = OLEMenu_IsHookInstalled( GetCurrentThreadId() ) ) )
1825 1826
  {
    /* This should never fail!! */
1827
    WARN("could not retrieve hHook for current thread!\n" );
1828 1829
    return FALSE;
  }
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1831 1832 1833 1834
  /* Pass on the message to the next hooker */
  return CallNextHookEx( pHookItem->GetMsg_hHook, code, wParam, lParam );
}

1835
/***********************************************************************
1836
 * OleCreateMenuDescriptor [OLE32.@]
1837 1838 1839 1840 1841 1842 1843
 * Creates an OLE menu descriptor for OLE to use when dispatching
 * menu messages and commands.
 *
 * PARAMS:
 *    hmenuCombined  -  Handle to the objects combined menu
 *    lpMenuWidths   -  Pointer to array of 6 LONG's indicating menus per group
 *
1844
 */
1845 1846 1847
HOLEMENU WINAPI OleCreateMenuDescriptor(
  HMENU                hmenuCombined,
  LPOLEMENUGROUPWIDTHS lpMenuWidths)
1848
{
1849 1850 1851 1852 1853 1854
  HOLEMENU hOleMenu;
  OleMenuDescriptor *pOleMenuDescriptor;
  int i;

  if ( !hmenuCombined || !lpMenuWidths )
    return 0;
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1856 1857 1858
  /* Create an OLE menu descriptor */
  if ( !(hOleMenu = GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT,
                                sizeof(OleMenuDescriptor) ) ) )
1859
  return 0;
1860

1861
  pOleMenuDescriptor = GlobalLock( hOleMenu );
1862 1863 1864 1865 1866 1867
  if ( !pOleMenuDescriptor )
    return 0;

  /* Initialize menu group widths and hmenu */
  for ( i = 0; i < 6; i++ )
    pOleMenuDescriptor->mgw.width[i] = lpMenuWidths->width[i];
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1869 1870 1871
  pOleMenuDescriptor->hmenuCombined = hmenuCombined;
  pOleMenuDescriptor->bIsServerItem = FALSE;
  GlobalUnlock( hOleMenu );
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1873
  return hOleMenu;
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}

/***********************************************************************
1877
 * OleDestroyMenuDescriptor [OLE32.@]
1878
 * Destroy the shared menu descriptor
1879
 */
1880
HRESULT WINAPI OleDestroyMenuDescriptor(
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1881
    HOLEMENU hmenuDescriptor)
1882
{
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    if ( hmenuDescriptor )
        GlobalFree( hmenuDescriptor );
    return S_OK;
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}

/***********************************************************************
1889
 * OleSetMenuDescriptor [OLE32.@]
1890
 * Installs or removes OLE dispatching code for the containers frame window.
1891
 *
1892
 * PARAMS
1893 1894 1895 1896 1897 1898
 *     hOleMenu         Handle to composite menu descriptor
 *     hwndFrame        Handle to containers frame window
 *     hwndActiveObject Handle to objects in-place activation window
 *     lpFrame          Pointer to IOleInPlaceFrame on containers window
 *     lpActiveObject   Pointer to IOleInPlaceActiveObject on active in-place object
 *
1899
 * RETURNS
1900 1901
 *      S_OK                               - menu installed correctly
 *      E_FAIL, E_INVALIDARG, E_UNEXPECTED - failure
1902 1903 1904 1905 1906
 *
 * FIXME
 *      The lpFrame and lpActiveObject parameters are currently ignored
 *      OLE should install context sensitive help F1 filtering for the app when
 *      these are non null.
1907 1908
 */
HRESULT WINAPI OleSetMenuDescriptor(
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    HOLEMENU               hOleMenu,
    HWND                   hwndFrame,
    HWND                   hwndActiveObject,
    LPOLEINPLACEFRAME        lpFrame,
    LPOLEINPLACEACTIVEOBJECT lpActiveObject)
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{
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    OleMenuDescriptor *pOleMenuDescriptor = NULL;
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    /* Check args */
    if ( !hwndFrame || (hOleMenu && !hwndActiveObject) )
        return E_INVALIDARG;
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    if ( lpFrame || lpActiveObject )
    {
        FIXME("(%p, %p, %p, %p, %p), Context sensitive help filtering not implemented!\n",
        hOleMenu,
        hwndFrame,
        hwndActiveObject,
        lpFrame,
        lpActiveObject);
    }
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    /* Set up a message hook to intercept the containers frame window messages.
     * The message filter is responsible for dispatching menu messages from the
     * shared menu which are intended for the object.
     */
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    if ( hOleMenu )  /* Want to install dispatching code */
    {
        /* If OLEMenu hooks are already installed for this thread, fail
         * Note: This effectively means that OleSetMenuDescriptor cannot
         * be called twice in succession on the same frame window
         * without first calling it with a null hOleMenu to uninstall
         */
        if ( OLEMenu_IsHookInstalled( GetCurrentThreadId() ) )
            return E_FAIL;

        /* Get the menu descriptor */
        pOleMenuDescriptor = GlobalLock( hOleMenu );
        if ( !pOleMenuDescriptor )
            return E_UNEXPECTED;

        /* Update the menu descriptor */
        pOleMenuDescriptor->hwndFrame = hwndFrame;
        pOleMenuDescriptor->hwndActiveObject = hwndActiveObject;

        GlobalUnlock( hOleMenu );
        pOleMenuDescriptor = NULL;

        /* Add a menu descriptor windows property to the frame window */
        SetPropW( hwndFrame, prop_olemenuW, hOleMenu );

        /* Install thread scope message hooks for WH_GETMESSAGE and WH_CALLWNDPROC */
        if ( !OLEMenu_InstallHooks( GetCurrentThreadId() ) )
            return E_FAIL;
    }
    else  /* Want to uninstall dispatching code */
    {
        /* Uninstall the hooks */
        if ( !OLEMenu_UnInstallHooks( GetCurrentThreadId() ) )
            return E_FAIL;
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        /* Remove the menu descriptor property from the frame window */
        RemovePropW( hwndFrame, prop_olemenuW );
    }
1974

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    return S_OK;
1976 1977
}

1978
/******************************************************************************
1979
 *              IsAccelerator        [OLE32.@]
1980 1981 1982 1983
 * Mostly copied from controls/menu.c TranslateAccelerator implementation
 */
BOOL WINAPI IsAccelerator(HACCEL hAccel, int cAccelEntries, LPMSG lpMsg, WORD* lpwCmd)
{
1984
    LPACCEL lpAccelTbl;
1985 1986 1987
    int i;

    if(!lpMsg) return FALSE;
1988
    if (!hAccel)
1989
    {
1990
	WARN_(accel)("NULL accel handle\n");
1991 1992 1993 1994
	return FALSE;
    }
    if((lpMsg->message != WM_KEYDOWN &&
	lpMsg->message != WM_SYSKEYDOWN &&
1995
	lpMsg->message != WM_SYSCHAR &&
1996
	lpMsg->message != WM_CHAR)) return FALSE;
1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007
    lpAccelTbl = HeapAlloc(GetProcessHeap(), 0, cAccelEntries * sizeof(ACCEL));
    if (NULL == lpAccelTbl)
    {
	return FALSE;
    }
    if (CopyAcceleratorTableW(hAccel, lpAccelTbl, cAccelEntries) != cAccelEntries)
    {
	WARN_(accel)("CopyAcceleratorTableW failed\n");
	HeapFree(GetProcessHeap(), 0, lpAccelTbl);
	return FALSE;
    }
2008

2009
    TRACE_(accel)("hAccel=%p, cAccelEntries=%d,"
2010
		"msg->hwnd=%p, msg->message=%04x, wParam=%08lx, lParam=%08lx\n",
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
		hAccel, cAccelEntries,
		lpMsg->hwnd, lpMsg->message, lpMsg->wParam, lpMsg->lParam);
    for(i = 0; i < cAccelEntries; i++)
    {
	if(lpAccelTbl[i].key != lpMsg->wParam)
	    continue;

	if(lpMsg->message == WM_CHAR)
	{
	    if(!(lpAccelTbl[i].fVirt & FALT) && !(lpAccelTbl[i].fVirt & FVIRTKEY))
	    {
2022
		TRACE_(accel)("found accel for WM_CHAR: ('%c')\n", LOWORD(lpMsg->wParam) & 0xff);
2023 2024 2025 2026 2027 2028 2029 2030
		goto found;
	    }
	}
	else
	{
	    if(lpAccelTbl[i].fVirt & FVIRTKEY)
	    {
		INT mask = 0;
2031
		TRACE_(accel)("found accel for virt_key %04lx (scan %04x)\n",
2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044
				lpMsg->wParam, HIWORD(lpMsg->lParam) & 0xff);
		if(GetKeyState(VK_SHIFT) & 0x8000) mask |= FSHIFT;
		if(GetKeyState(VK_CONTROL) & 0x8000) mask |= FCONTROL;
		if(GetKeyState(VK_MENU) & 0x8000) mask |= FALT;
		if(mask == (lpAccelTbl[i].fVirt & (FSHIFT | FCONTROL | FALT))) goto found;
		TRACE_(accel)("incorrect SHIFT/CTRL/ALT-state\n");
	    }
	    else
	    {
		if(!(lpMsg->lParam & 0x01000000))  /* no special_key */
		{
		    if((lpAccelTbl[i].fVirt & FALT) && (lpMsg->lParam & 0x20000000))
		    {						       /* ^^ ALT pressed */
2045
			TRACE_(accel)("found accel for Alt-%c\n", LOWORD(lpMsg->wParam) & 0xff);
2046 2047 2048 2049 2050
			goto found;
		    }
		}
	    }
	}
2051
    }
2052 2053

    WARN_(accel)("couldn't translate accelerator key\n");
2054
    HeapFree(GetProcessHeap(), 0, lpAccelTbl);
2055 2056 2057 2058
    return FALSE;

found:
    if(lpwCmd) *lpwCmd = lpAccelTbl[i].cmd;
2059
    HeapFree(GetProcessHeap(), 0, lpAccelTbl);
2060 2061 2062
    return TRUE;
}

2063
/***********************************************************************
2064
 * ReleaseStgMedium [OLE32.@]
2065 2066 2067 2068 2069 2070 2071 2072
 */
void WINAPI ReleaseStgMedium(
  STGMEDIUM* pmedium)
{
  switch (pmedium->tymed)
  {
    case TYMED_HGLOBAL:
    {
2073
      if ( (pmedium->pUnkForRelease==0) &&
2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085
	   (pmedium->u.hGlobal!=0) )
	GlobalFree(pmedium->u.hGlobal);
      break;
    }
    case TYMED_FILE:
    {
      if (pmedium->u.lpszFileName!=0)
      {
	if (pmedium->pUnkForRelease==0)
	{
	  DeleteFileW(pmedium->u.lpszFileName);
	}
2086

2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108
	CoTaskMemFree(pmedium->u.lpszFileName);
      }
      break;
    }
    case TYMED_ISTREAM:
    {
      if (pmedium->u.pstm!=0)
      {
	IStream_Release(pmedium->u.pstm);
      }
      break;
    }
    case TYMED_ISTORAGE:
    {
      if (pmedium->u.pstg!=0)
      {
	IStorage_Release(pmedium->u.pstg);
      }
      break;
    }
    case TYMED_GDI:
    {
2109
      if ( (pmedium->pUnkForRelease==0) &&
2110 2111
	   (pmedium->u.hBitmap!=0) )
	DeleteObject(pmedium->u.hBitmap);
2112 2113 2114 2115
      break;
    }
    case TYMED_MFPICT:
    {
2116
      if ( (pmedium->pUnkForRelease==0) &&
2117 2118
	   (pmedium->u.hMetaFilePict!=0) )
      {
2119
	LPMETAFILEPICT pMP = GlobalLock(pmedium->u.hMetaFilePict);
2120
	DeleteMetaFile(pMP->hMF);
2121 2122
	GlobalUnlock(pmedium->u.hMetaFilePict);
	GlobalFree(pmedium->u.hMetaFilePict);
2123 2124 2125 2126 2127
      }
      break;
    }
    case TYMED_ENHMF:
    {
2128
      if ( (pmedium->pUnkForRelease==0) &&
2129 2130 2131 2132 2133 2134 2135 2136 2137 2138
	   (pmedium->u.hEnhMetaFile!=0) )
      {
	DeleteEnhMetaFile(pmedium->u.hEnhMetaFile);
      }
      break;
    }
    case TYMED_NULL:
    default:
      break;
  }
2139
  pmedium->tymed=TYMED_NULL;
2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150

  /*
   * After cleaning up, the unknown is released
   */
  if (pmedium->pUnkForRelease!=0)
  {
    IUnknown_Release(pmedium->pUnkForRelease);
    pmedium->pUnkForRelease = 0;
  }
}

2151 2152 2153 2154 2155
/***
 * OLEDD_Initialize()
 *
 * Initializes the OLE drag and drop data structures.
 */
2156
static void OLEDD_Initialize(void)
2157
{
2158
    WNDCLASSW wndClass;
2159

2160
    ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2161
    wndClass.style         = CS_GLOBALCLASS;
2162
    wndClass.lpfnWndProc   = OLEDD_DragTrackerWindowProc;
2163 2164 2165 2166 2167
    wndClass.cbClsExtra    = 0;
    wndClass.cbWndExtra    = sizeof(TrackerWindowInfo*);
    wndClass.hCursor       = 0;
    wndClass.hbrBackground = 0;
    wndClass.lpszClassName = OLEDD_DRAGTRACKERCLASS;
2168

2169
    RegisterClassW (&wndClass);
2170 2171 2172 2173 2174 2175 2176 2177 2178 2179
}

/***
 * OLEDD_DragTrackerWindowProc()
 *
 * This method is the WindowProcedure of the drag n drop tracking
 * window. During a drag n Drop operation, an invisible window is created
 * to receive the user input and act upon it. This procedure is in charge
 * of this behavior.
 */
2180 2181 2182

#define DRAG_TIMER_ID 1

2183
static LRESULT WINAPI OLEDD_DragTrackerWindowProc(
2184
			 HWND   hwnd,
2185
			 UINT   uMsg,
2186
			 WPARAM wParam,
2187 2188 2189 2190 2191 2192
			 LPARAM   lParam)
{
  switch (uMsg)
  {
    case WM_CREATE:
    {
2193
      LPCREATESTRUCTA createStruct = (LPCREATESTRUCTA)lParam;
2194

2195
      SetWindowLongPtrW(hwnd, 0, (LONG_PTR)createStruct->lpCreateParams);
2196
      SetTimer(hwnd, DRAG_TIMER_ID, 50, NULL);
2197 2198 2199

      break;
    }
2200
    case WM_TIMER:
2201 2202 2203 2204 2205 2206 2207 2208
    case WM_MOUSEMOVE:
    case WM_LBUTTONUP:
    case WM_MBUTTONUP:
    case WM_RBUTTONUP:
    case WM_LBUTTONDOWN:
    case WM_MBUTTONDOWN:
    case WM_RBUTTONDOWN:
    {
2209 2210 2211
      TrackerWindowInfo *trackerInfo = (TrackerWindowInfo*)GetWindowLongPtrA(hwnd, 0);
      if (trackerInfo->trackingDone) break;
      OLEDD_TrackStateChange(trackerInfo);
2212 2213 2214 2215 2216
      break;
    }
    case WM_DESTROY:
    {
      KillTimer(hwnd, DRAG_TIMER_ID);
2217 2218 2219 2220 2221 2222 2223
      break;
    }
  }

  /*
   * This is a window proc after all. Let's call the default.
   */
2224
  return DefWindowProcW (hwnd, uMsg, wParam, lParam);
2225 2226 2227
}

/***
2228
 * OLEDD_TrackStateChange()
2229 2230 2231 2232 2233 2234 2235 2236
 *
 * This method is invoked while a drag and drop operation is in effect.
 *
 * params:
 *    trackerInfo - Pointer to the structure identifying the
 *                  drag & drop operation that is currently
 *                  active.
 */
2237
static void OLEDD_TrackStateChange(TrackerWindowInfo* trackerInfo)
2238
{
2239
  HWND   hwndNewTarget = 0;
2240
  HRESULT  hr = S_OK;
2241
  POINT pt;
2242 2243 2244 2245

  /*
   * Get the handle of the window under the mouse
   */
2246 2247 2248
  pt.x = trackerInfo->curMousePos.x;
  pt.y = trackerInfo->curMousePos.y;
  hwndNewTarget = WindowFromPoint(pt);
2249

2250 2251 2252 2253
  trackerInfo->returnValue = IDropSource_QueryContinueDrag(trackerInfo->dropSource,
                                                           trackerInfo->escPressed,
                                                           trackerInfo->dwKeyState);

2254 2255 2256 2257 2258 2259
  /*
   * Every time, we re-initialize the effects passed to the
   * IDropTarget to the effects allowed by the source.
   */
  *trackerInfo->pdwEffect = trackerInfo->dwOKEffect;

2260 2261 2262 2263
  /*
   * If we are hovering over the same target as before, send the
   * DragOver notification
   */
2264
  if ( (trackerInfo->curDragTarget != 0) &&
2265
       (trackerInfo->curTargetHWND == hwndNewTarget) )
2266 2267
  {
    IDropTarget_DragOver(trackerInfo->curDragTarget,
2268 2269
                         trackerInfo->dwKeyState,
                         trackerInfo->curMousePos,
2270 2271
                         trackerInfo->pdwEffect);
    *trackerInfo->pdwEffect &= trackerInfo->dwOKEffect;
2272 2273
  }
  else
2274
  {
2275 2276 2277 2278
    /*
     * If we changed window, we have to notify our old target and check for
     * the new one.
     */
2279
    if (trackerInfo->curDragTarget)
2280
      IDropTarget_DragLeave(trackerInfo->curDragTarget);
2281

2282 2283 2284
    /*
     * Make sure we're hovering over a window.
     */
2285
    if (hwndNewTarget)
2286 2287 2288 2289
    {
      /*
       * Find-out if there is a drag target under the mouse
       */
2290 2291
      HWND next_target_wnd = hwndNewTarget;

2292 2293
      trackerInfo->curTargetHWND = hwndNewTarget;

2294 2295
      while (next_target_wnd && !is_droptarget(next_target_wnd))
          next_target_wnd = GetParent(next_target_wnd);
2296

2297 2298
      if (next_target_wnd) hwndNewTarget = next_target_wnd;

2299 2300 2301
      trackerInfo->curDragTargetHWND = hwndNewTarget;
      if(trackerInfo->curDragTarget) IDropTarget_Release(trackerInfo->curDragTarget);
      trackerInfo->curDragTarget     = get_droptarget_pointer(hwndNewTarget);
2302

2303 2304 2305
      /*
       * If there is, notify it that we just dragged-in
       */
2306
      if (trackerInfo->curDragTarget)
2307
      {
2308 2309 2310 2311 2312
        hr = IDropTarget_DragEnter(trackerInfo->curDragTarget,
                                   trackerInfo->dataObject,
                                   trackerInfo->dwKeyState,
                                   trackerInfo->curMousePos,
                                   trackerInfo->pdwEffect);
2313
        *trackerInfo->pdwEffect &= trackerInfo->dwOKEffect;
2314 2315 2316 2317 2318 2319

        /* failed DragEnter() means invalid target */
        if (hr != S_OK)
        {
          trackerInfo->curDragTargetHWND = 0;
          trackerInfo->curTargetHWND     = 0;
2320
          IDropTarget_Release(trackerInfo->curDragTarget);
2321 2322
          trackerInfo->curDragTarget     = 0;
        }
2323 2324 2325 2326 2327 2328 2329 2330
      }
    }
    else
    {
      /*
       * The mouse is not over a window so we don't track anything.
       */
      trackerInfo->curDragTargetHWND = 0;
2331
      trackerInfo->curTargetHWND     = 0;
2332
      if(trackerInfo->curDragTarget) IDropTarget_Release(trackerInfo->curDragTarget);
2333 2334 2335 2336 2337
      trackerInfo->curDragTarget     = 0;
    }
  }

  /*
2338 2339
   * Now that we have done that, we have to tell the source to give
   * us feedback on the work being done by the target.  If we don't
2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355
   * have a target, simulate no effect.
   */
  if (trackerInfo->curDragTarget==0)
  {
    *trackerInfo->pdwEffect = DROPEFFECT_NONE;
  }

  hr = IDropSource_GiveFeedback(trackerInfo->dropSource,
  				*trackerInfo->pdwEffect);

  /*
   * When we ask for feedback from the drop source, sometimes it will
   * do all the necessary work and sometimes it will not handle it
   * when that's the case, we must display the standard drag and drop
   * cursors.
   */
2356
  if (hr == DRAGDROP_S_USEDEFAULTCURSORS)
2357
  {
2358 2359
    HCURSOR hCur;

2360
    if (*trackerInfo->pdwEffect & DROPEFFECT_MOVE)
2361
    {
2362
      hCur = LoadCursorW(hProxyDll, MAKEINTRESOURCEW(2));
2363 2364 2365
    }
    else if (*trackerInfo->pdwEffect & DROPEFFECT_COPY)
    {
2366
      hCur = LoadCursorW(hProxyDll, MAKEINTRESOURCEW(3));
2367 2368 2369
    }
    else if (*trackerInfo->pdwEffect & DROPEFFECT_LINK)
    {
2370
      hCur = LoadCursorW(hProxyDll, MAKEINTRESOURCEW(4));
2371 2372 2373
    }
    else
    {
2374
      hCur = LoadCursorW(hProxyDll, MAKEINTRESOURCEW(1));
2375
    }
2376 2377

    SetCursor(hCur);
2378 2379
  }

2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391
  /*
   * All the return valued will stop the operation except the S_OK
   * return value.
   */
  if (trackerInfo->returnValue!=S_OK)
  {
    /*
     * Make sure the message loop in DoDragDrop stops
     */
    trackerInfo->trackingDone = TRUE;

    /*
2392
     * Release the mouse in case the drop target decides to show a popup
2393 2394 2395
     * or a menu or something.
     */
    ReleaseCapture();
2396

2397
    /*
2398
     * If we end-up over a target, drop the object in the target or
2399 2400
     * inform the target that the operation was cancelled.
     */
2401
    if (trackerInfo->curDragTarget)
2402 2403 2404 2405
    {
      switch (trackerInfo->returnValue)
      {
	/*
2406
	 * If the source wants us to complete the operation, we tell
2407 2408 2409
	 * the drop target that we just dropped the object in it.
	 */
        case DRAGDROP_S_DROP:
2410
          if (*trackerInfo->pdwEffect != DROPEFFECT_NONE)
2411 2412 2413 2414 2415 2416
          {
            hr = IDropTarget_Drop(trackerInfo->curDragTarget, trackerInfo->dataObject,
                    trackerInfo->dwKeyState, trackerInfo->curMousePos, trackerInfo->pdwEffect);
            if (FAILED(hr))
              trackerInfo->returnValue = hr;
          }
2417 2418 2419 2420
          else
            IDropTarget_DragLeave(trackerInfo->curDragTarget);
          break;

2421
	/*
2422
	 * If the source told us that we should cancel, fool the drop
2423
         * target by telling it that the mouse left its window.
2424
	 * Also set the drop effect to "NONE" in case the application
2425
	 * ignores the result of DoDragDrop.
2426 2427 2428
	 */
        case DRAGDROP_S_CANCEL:
	  IDropTarget_DragLeave(trackerInfo->curDragTarget);
2429
	  *trackerInfo->pdwEffect = DROPEFFECT_NONE;
2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442
	  break;
      }
    }
  }
}

/***
 * OLEDD_GetButtonState()
 *
 * This method will use the current state of the keyboard to build
 * a button state mask equivalent to the one passed in the
 * WM_MOUSEMOVE wParam.
 */
2443
static DWORD OLEDD_GetButtonState(void)
2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467
{
  BYTE  keyboardState[256];
  DWORD keyMask = 0;

  GetKeyboardState(keyboardState);

  if ( (keyboardState[VK_SHIFT] & 0x80) !=0)
    keyMask |= MK_SHIFT;

  if ( (keyboardState[VK_CONTROL] & 0x80) !=0)
    keyMask |= MK_CONTROL;

  if ( (keyboardState[VK_LBUTTON] & 0x80) !=0)
    keyMask |= MK_LBUTTON;

  if ( (keyboardState[VK_RBUTTON] & 0x80) !=0)
    keyMask |= MK_RBUTTON;

  if ( (keyboardState[VK_MBUTTON] & 0x80) !=0)
    keyMask |= MK_MBUTTON;

  return keyMask;
}

2468 2469 2470 2471 2472 2473 2474 2475 2476
/***
 * OLEDD_GetButtonState()
 *
 * This method will read the default value of the registry key in
 * parameter and extract a DWORD value from it. The registry key value
 * can be in a string key or a DWORD key.
 *
 * params:
 *     regKey   - Key to read the default value from
2477
 *     pdwValue - Pointer to the location where the DWORD
2478 2479 2480 2481 2482
 *                value is returned. This value is not modified
 *                if the value is not found.
 */

static void OLEUTL_ReadRegistryDWORDValue(
2483
  HKEY   regKey,
2484 2485
  DWORD* pdwValue)
{
2486
  WCHAR buffer[20];
2487
  DWORD cbData = sizeof(buffer);
2488 2489 2490
  DWORD dwKeyType;
  LONG  lres;

2491 2492
  lres = RegQueryValueExW(regKey,
			  emptyW,
2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507
			  NULL,
			  &dwKeyType,
			  (LPBYTE)buffer,
			  &cbData);

  if (lres==ERROR_SUCCESS)
  {
    switch (dwKeyType)
    {
      case REG_DWORD:
	*pdwValue = *(DWORD*)buffer;
	break;
      case REG_EXPAND_SZ:
      case REG_MULTI_SZ:
      case REG_SZ:
2508
	*pdwValue = (DWORD)strtoulW(buffer, NULL, 10);
2509 2510 2511 2512
	break;
    }
  }
}
2513

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2514
/******************************************************************************
2515
 * OleDraw (OLE32.@)
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 *
 * The operation of this function is documented literally in the WinAPI
 * documentation to involve a QueryInterface for the IViewObject interface,
 * followed by a call to IViewObject::Draw.
 */
HRESULT WINAPI OleDraw(
	IUnknown *pUnk,
	DWORD dwAspect,
	HDC hdcDraw,
2525
	LPCRECT rect)
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{
  HRESULT hres;
  IViewObject *viewobject;

2530 2531
  if (!pUnk) return E_INVALIDARG;

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  hres = IUnknown_QueryInterface(pUnk,
				 &IID_IViewObject,
2534
				 (void**)&viewobject);
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  if (SUCCEEDED(hres))
  {
2537
    hres = IViewObject_Draw(viewobject, dwAspect, -1, 0, 0, 0, hdcDraw, (RECTL*)rect, 0, 0, 0);
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    IViewObject_Release(viewobject);
    return hres;
  }
  else
    return DV_E_NOIVIEWOBJECT;
}

2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573
/***********************************************************************
 *             OleTranslateAccelerator [OLE32.@]
 */
HRESULT WINAPI OleTranslateAccelerator (LPOLEINPLACEFRAME lpFrame,
                   LPOLEINPLACEFRAMEINFO lpFrameInfo, LPMSG lpmsg)
{
    WORD wID;

    TRACE("(%p,%p,%p)\n", lpFrame, lpFrameInfo, lpmsg);

    if (IsAccelerator(lpFrameInfo->haccel,lpFrameInfo->cAccelEntries,lpmsg,&wID))
        return IOleInPlaceFrame_TranslateAccelerator(lpFrame,lpmsg,wID);

    return S_FALSE;
}

/******************************************************************************
 *              OleCreate        [OLE32.@]
 *
 */
HRESULT WINAPI OleCreate(
	REFCLSID rclsid,
	REFIID riid,
	DWORD renderopt,
	LPFORMATETC pFormatEtc,
	LPOLECLIENTSITE pClientSite,
	LPSTORAGE pStg,
	LPVOID* ppvObj)
{
2574
    HRESULT hres;
2575
    IUnknown * pUnk = NULL;
2576
    IOleObject *pOleObject = NULL;
2577

2578 2579
    TRACE("(%s, %s, %d, %p, %p, %p, %p)\n", debugstr_guid(rclsid),
        debugstr_guid(riid), renderopt, pFormatEtc, pClientSite, pStg, ppvObj);
2580

2581
    hres = CoCreateInstance(rclsid, 0, CLSCTX_INPROC_SERVER|CLSCTX_INPROC_HANDLER, riid, (LPVOID*)&pUnk);
2582 2583 2584 2585

    if (SUCCEEDED(hres))
        hres = IStorage_SetClass(pStg, rclsid);

2586
    if (pClientSite && SUCCEEDED(hres))
2587
    {
2588
        hres = IUnknown_QueryInterface(pUnk, &IID_IOleObject, (LPVOID*)&pOleObject);
2589 2590 2591 2592 2593 2594
        if (SUCCEEDED(hres))
        {
            DWORD dwStatus;
            hres = IOleObject_GetMiscStatus(pOleObject, DVASPECT_CONTENT, &dwStatus);
        }
    }
2595

2596
    if (SUCCEEDED(hres))
2597
    {
2598 2599
        IPersistStorage * pPS;
        if (SUCCEEDED((hres = IUnknown_QueryInterface(pUnk, &IID_IPersistStorage, (LPVOID*)&pPS))))
2600
        {
2601 2602
            TRACE("trying to set stg %p\n", pStg);
            hres = IPersistStorage_InitNew(pPS, pStg);
2603
            TRACE("-- result 0x%08x\n", hres);
2604
            IPersistStorage_Release(pPS);
2605 2606 2607
        }
    }

2608 2609 2610 2611
    if (pClientSite && SUCCEEDED(hres))
    {
        TRACE("trying to set clientsite %p\n", pClientSite);
        hres = IOleObject_SetClientSite(pOleObject, pClientSite);
2612
        TRACE("-- result 0x%08x\n", hres);
2613 2614 2615 2616
    }

    if (pOleObject)
        IOleObject_Release(pOleObject);
2617 2618 2619 2620 2621 2622

    if (((renderopt == OLERENDER_DRAW) || (renderopt == OLERENDER_FORMAT)) &&
        SUCCEEDED(hres))
    {
        IRunnableObject *pRunnable;
        IOleCache *pOleCache;
2623
        HRESULT hres2;
2624

2625 2626
        hres2 = IUnknown_QueryInterface(pUnk, &IID_IRunnableObject, (void **)&pRunnable);
        if (SUCCEEDED(hres2))
2627 2628 2629 2630 2631 2632 2633
        {
            hres = IRunnableObject_Run(pRunnable, NULL);
            IRunnableObject_Release(pRunnable);
        }

        if (SUCCEEDED(hres))
        {
2634 2635 2636 2637
            hres2 = IUnknown_QueryInterface(pUnk, &IID_IOleCache, (void **)&pOleCache);
            if (SUCCEEDED(hres2))
            {
                DWORD dwConnection;
2638
                if (renderopt == OLERENDER_DRAW && !pFormatEtc) {
2639 2640 2641 2642 2643 2644 2645 2646 2647 2648
                    FORMATETC pfe;
                    pfe.cfFormat = 0;
                    pfe.ptd = NULL;
                    pfe.dwAspect = DVASPECT_CONTENT;
                    pfe.lindex = -1;
                    pfe.tymed = TYMED_NULL;
                    hres = IOleCache_Cache(pOleCache, &pfe, ADVF_PRIMEFIRST, &dwConnection);
                }
                else
                    hres = IOleCache_Cache(pOleCache, pFormatEtc, ADVF_PRIMEFIRST, &dwConnection);
2649 2650
                IOleCache_Release(pOleCache);
            }
2651 2652 2653
        }
    }

2654
    if (FAILED(hres) && pUnk)
2655 2656 2657 2658 2659
    {
        IUnknown_Release(pUnk);
        pUnk = NULL;
    }

2660 2661
    *ppvObj = pUnk;

2662
    TRACE("-- %p\n", pUnk);
2663 2664 2665
    return hres;
}

2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692
/******************************************************************************
 *              OleGetAutoConvert        [OLE32.@]
 */
HRESULT WINAPI OleGetAutoConvert(REFCLSID clsidOld, LPCLSID pClsidNew)
{
    static const WCHAR wszAutoConvertTo[] = {'A','u','t','o','C','o','n','v','e','r','t','T','o',0};
    HKEY hkey = NULL;
    WCHAR buf[CHARS_IN_GUID];
    LONG len;
    HRESULT res = S_OK;

    res = COM_OpenKeyForCLSID(clsidOld, wszAutoConvertTo, KEY_READ, &hkey);
    if (FAILED(res))
        goto done;

    len = sizeof(buf);
    if (RegQueryValueW(hkey, NULL, buf, &len))
    {
        res = REGDB_E_KEYMISSING;
        goto done;
    }
    res = CLSIDFromString(buf, pClsidNew);
done:
    if (hkey) RegCloseKey(hkey);
    return res;
}

2693 2694 2695 2696 2697
/******************************************************************************
 *              OleSetAutoConvert        [OLE32.@]
 */
HRESULT WINAPI OleSetAutoConvert(REFCLSID clsidOld, REFCLSID clsidNew)
{
2698 2699 2700
    static const WCHAR wszAutoConvertTo[] = {'A','u','t','o','C','o','n','v','e','r','t','T','o',0};
    HKEY hkey = NULL;
    WCHAR szClsidNew[CHARS_IN_GUID];
2701 2702 2703
    HRESULT res = S_OK;

    TRACE("(%s,%s)\n", debugstr_guid(clsidOld), debugstr_guid(clsidNew));
2704
    
2705 2706 2707
    res = COM_OpenKeyForCLSID(clsidOld, NULL, KEY_READ | KEY_WRITE, &hkey);
    if (FAILED(res))
        goto done;
2708 2709
    StringFromGUID2(clsidNew, szClsidNew, CHARS_IN_GUID);
    if (RegSetValueW(hkey, wszAutoConvertTo, REG_SZ, szClsidNew, (strlenW(szClsidNew)+1) * sizeof(WCHAR)))
2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722
    {
        res = REGDB_E_WRITEREGDB;
	goto done;
    }

done:
    if (hkey) RegCloseKey(hkey);
    return res;
}

/******************************************************************************
 *              OleDoAutoConvert        [OLE32.@]
 */
2723
HRESULT WINAPI OleDoAutoConvert(LPSTORAGE pStg, LPCLSID pClsidNew)
2724
{
2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777
    WCHAR *user_type_old, *user_type_new;
    CLIPFORMAT cf;
    STATSTG stat;
    CLSID clsid;
    HRESULT hr;

    TRACE("(%p, %p)\n", pStg, pClsidNew);

    *pClsidNew = CLSID_NULL;
    if(!pStg)
        return E_INVALIDARG;
    hr = IStorage_Stat(pStg, &stat, STATFLAG_NONAME);
    if(FAILED(hr))
        return hr;

    *pClsidNew = stat.clsid;
    hr = OleGetAutoConvert(&stat.clsid, &clsid);
    if(FAILED(hr))
        return hr;

    hr = IStorage_SetClass(pStg, &clsid);
    if(FAILED(hr))
        return hr;

    hr = ReadFmtUserTypeStg(pStg, &cf, &user_type_old);
    if(FAILED(hr)) {
        cf = 0;
        user_type_new = NULL;
    }

    hr = OleRegGetUserType(&clsid, USERCLASSTYPE_FULL, &user_type_new);
    if(FAILED(hr))
        user_type_new = NULL;

    hr = WriteFmtUserTypeStg(pStg, cf, user_type_new);
    CoTaskMemFree(user_type_new);
    if(FAILED(hr))
    {
        CoTaskMemFree(user_type_old);
        IStorage_SetClass(pStg, &stat.clsid);
        return hr;
    }

    hr = SetConvertStg(pStg, TRUE);
    if(FAILED(hr))
    {
        WriteFmtUserTypeStg(pStg, cf, user_type_old);
        IStorage_SetClass(pStg, &stat.clsid);
    }
    else
        *pClsidNew = clsid;
    CoTaskMemFree(user_type_old);
    return hr;
2778 2779
}

2780 2781 2782
/******************************************************************************
 *              OleIsRunning        [OLE32.@]
 */
2783
BOOL WINAPI OleIsRunning(LPOLEOBJECT object)
2784 2785 2786 2787 2788
{
    IRunnableObject *pRunnable;
    HRESULT hr;
    BOOL running;

2789
    TRACE("(%p)\n", object);
2790

2791 2792 2793
    if (!object) return FALSE;

    hr = IOleObject_QueryInterface(object, &IID_IRunnableObject, (void **)&pRunnable);
2794
    if (FAILED(hr))
2795
        return TRUE;
2796 2797 2798 2799 2800
    running = IRunnableObject_IsRunning(pRunnable);
    IRunnableObject_Release(pRunnable);
    return running;
}

2801 2802 2803 2804 2805 2806 2807 2808 2809 2810
/***********************************************************************
 *           OleNoteObjectVisible			    [OLE32.@]
 */
HRESULT WINAPI OleNoteObjectVisible(LPUNKNOWN pUnknown, BOOL bVisible)
{
    TRACE("(%p, %s)\n", pUnknown, bVisible ? "TRUE" : "FALSE");
    return CoLockObjectExternal(pUnknown, bVisible, TRUE);
}


2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824
/***********************************************************************
 *           OLE_FreeClipDataArray   [internal]
 *
 * NOTES:
 *  frees the data associated with an array of CLIPDATAs
 */
static void OLE_FreeClipDataArray(ULONG count, CLIPDATA * pClipDataArray)
{
    ULONG i;
    for (i = 0; i < count; i++)
        if (pClipDataArray[i].pClipData)
            CoTaskMemFree(pClipDataArray[i].pClipData);
}

2825 2826
/***********************************************************************
 *           PropSysAllocString			    [OLE32.@]
2827 2828
 * NOTES
 *  Forward to oleaut32.
2829 2830 2831
 */
BSTR WINAPI PropSysAllocString(LPCOLESTR str)
{
2832
    return SysAllocString(str);
2833 2834 2835 2836 2837
}

/***********************************************************************
 *           PropSysFreeString			    [OLE32.@]
 * NOTES
2838
 *  Forward to oleaut32.
2839
 */
2840
void WINAPI PropSysFreeString(LPOLESTR str)
2841
{
2842
    SysFreeString(str);
2843 2844
}

2845 2846 2847 2848 2849 2850 2851 2852 2853
/******************************************************************************
 * Check if a PROPVARIANT's type is valid.
 */
static inline HRESULT PROPVARIANT_ValidateType(VARTYPE vt)
{
    switch (vt)
    {
    case VT_EMPTY:
    case VT_NULL:
2854
    case VT_I1:
2855 2856
    case VT_I2:
    case VT_I4:
2857
    case VT_I8:
2858 2859 2860 2861 2862 2863 2864
    case VT_R4:
    case VT_R8:
    case VT_CY:
    case VT_DATE:
    case VT_BSTR:
    case VT_ERROR:
    case VT_BOOL:
2865
    case VT_DECIMAL:
2866 2867 2868 2869
    case VT_UI1:
    case VT_UI2:
    case VT_UI4:
    case VT_UI8:
2870 2871
    case VT_INT:
    case VT_UINT:
2872 2873 2874 2875
    case VT_LPSTR:
    case VT_LPWSTR:
    case VT_FILETIME:
    case VT_BLOB:
2876 2877
    case VT_DISPATCH:
    case VT_UNKNOWN:
2878 2879 2880 2881 2882 2883 2884
    case VT_STREAM:
    case VT_STORAGE:
    case VT_STREAMED_OBJECT:
    case VT_STORED_OBJECT:
    case VT_BLOB_OBJECT:
    case VT_CF:
    case VT_CLSID:
2885
    case VT_I1|VT_VECTOR:
2886 2887
    case VT_I2|VT_VECTOR:
    case VT_I4|VT_VECTOR:
2888
    case VT_I8|VT_VECTOR:
2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911
    case VT_R4|VT_VECTOR:
    case VT_R8|VT_VECTOR:
    case VT_CY|VT_VECTOR:
    case VT_DATE|VT_VECTOR:
    case VT_BSTR|VT_VECTOR:
    case VT_ERROR|VT_VECTOR:
    case VT_BOOL|VT_VECTOR:
    case VT_VARIANT|VT_VECTOR:
    case VT_UI1|VT_VECTOR:
    case VT_UI2|VT_VECTOR:
    case VT_UI4|VT_VECTOR:
    case VT_UI8|VT_VECTOR:
    case VT_LPSTR|VT_VECTOR:
    case VT_LPWSTR|VT_VECTOR:
    case VT_FILETIME|VT_VECTOR:
    case VT_CF|VT_VECTOR:
    case VT_CLSID|VT_VECTOR:
        return S_OK;
    }
    WARN("Bad type %d\n", vt);
    return STG_E_INVALIDPARAMETER;
}

2912 2913 2914 2915 2916
/***********************************************************************
 *           PropVariantClear			    [OLE32.@]
 */
HRESULT WINAPI PropVariantClear(PROPVARIANT * pvar) /* [in/out] */
{
2917 2918
    HRESULT hr;

2919 2920 2921 2922 2923
    TRACE("(%p)\n", pvar);

    if (!pvar)
        return S_OK;

2924 2925
    hr = PROPVARIANT_ValidateType(pvar->vt);
    if (FAILED(hr))
2926 2927
    {
        memset(pvar, 0, sizeof(*pvar));
2928
        return hr;
2929
    }
2930

2931 2932
    switch(pvar->vt)
    {
2933 2934
    case VT_EMPTY:
    case VT_NULL:
2935
    case VT_I1:
2936 2937
    case VT_I2:
    case VT_I4:
2938
    case VT_I8:
2939 2940 2941 2942 2943 2944
    case VT_R4:
    case VT_R8:
    case VT_CY:
    case VT_DATE:
    case VT_ERROR:
    case VT_BOOL:
2945
    case VT_DECIMAL:
2946 2947 2948 2949
    case VT_UI1:
    case VT_UI2:
    case VT_UI4:
    case VT_UI8:
2950 2951
    case VT_INT:
    case VT_UINT:
2952 2953
    case VT_FILETIME:
        break;
2954 2955
    case VT_DISPATCH:
    case VT_UNKNOWN:
2956 2957 2958 2959
    case VT_STREAM:
    case VT_STREAMED_OBJECT:
    case VT_STORAGE:
    case VT_STORED_OBJECT:
2960
        if (pvar->u.pStream)
2961
            IStream_Release(pvar->u.pStream);
2962 2963 2964 2965
        break;
    case VT_CLSID:
    case VT_LPSTR:
    case VT_LPWSTR:
2966
        /* pick an arbitrary typed pointer - we don't care about the type
2967 2968 2969 2970 2971 2972 2973 2974
         * as we are just freeing it */
        CoTaskMemFree(pvar->u.puuid);
        break;
    case VT_BLOB:
    case VT_BLOB_OBJECT:
        CoTaskMemFree(pvar->u.blob.pBlobData);
        break;
    case VT_BSTR:
2975
        PropSysFreeString(pvar->u.bstrVal);
2976
        break;
2977
    case VT_CF:
2978 2979 2980 2981 2982 2983 2984
        if (pvar->u.pclipdata)
        {
            OLE_FreeClipDataArray(1, pvar->u.pclipdata);
            CoTaskMemFree(pvar->u.pclipdata);
        }
        break;
    default:
2985
        if (pvar->vt & VT_VECTOR)
2986
        {
2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011
            ULONG i;

            switch (pvar->vt & ~VT_VECTOR)
            {
            case VT_VARIANT:
                FreePropVariantArray(pvar->u.capropvar.cElems, pvar->u.capropvar.pElems);
                break;
            case VT_CF:
                OLE_FreeClipDataArray(pvar->u.caclipdata.cElems, pvar->u.caclipdata.pElems);
                break;
            case VT_BSTR:
                for (i = 0; i < pvar->u.cabstr.cElems; i++)
                    PropSysFreeString(pvar->u.cabstr.pElems[i]);
                break;
            case VT_LPSTR:
                for (i = 0; i < pvar->u.calpstr.cElems; i++)
                    CoTaskMemFree(pvar->u.calpstr.pElems[i]);
                break;
            case VT_LPWSTR:
                for (i = 0; i < pvar->u.calpwstr.cElems; i++)
                    CoTaskMemFree(pvar->u.calpwstr.pElems[i]);
                break;
            }
            if (pvar->vt & ~VT_VECTOR)
            {
3012
                /* pick an arbitrary VT_VECTOR structure - they all have the same
3013 3014 3015
                 * memory layout */
                CoTaskMemFree(pvar->u.capropvar.pElems);
            }
3016
        }
3017
        else
3018
        {
3019
            WARN("Invalid/unsupported type %d\n", pvar->vt);
3020 3021
            hr = STG_E_INVALIDPARAMETER;
        }
3022 3023
    }

3024 3025
    memset(pvar, 0, sizeof(*pvar));
    return hr;
3026 3027 3028 3029 3030 3031 3032 3033 3034
}

/***********************************************************************
 *           PropVariantCopy			    [OLE32.@]
 */
HRESULT WINAPI PropVariantCopy(PROPVARIANT *pvarDest,      /* [out] */
                               const PROPVARIANT *pvarSrc) /* [in] */
{
    ULONG len;
3035 3036
    HRESULT hr;

3037
    TRACE("(%p, %p vt %04x)\n", pvarDest, pvarSrc, pvarSrc->vt);
3038 3039 3040 3041

    hr = PROPVARIANT_ValidateType(pvarSrc->vt);
    if (FAILED(hr))
        return hr;
3042 3043

    /* this will deal with most cases */
3044
    *pvarDest = *pvarSrc;
3045 3046 3047

    switch(pvarSrc->vt)
    {
3048 3049 3050 3051 3052 3053 3054
    case VT_EMPTY:
    case VT_NULL:
    case VT_I1:
    case VT_UI1:
    case VT_I2:
    case VT_UI2:
    case VT_BOOL:
3055
    case VT_DECIMAL:
3056 3057 3058 3059 3060 3061
    case VT_I4:
    case VT_UI4:
    case VT_R4:
    case VT_ERROR:
    case VT_I8:
    case VT_UI8:
3062 3063
    case VT_INT:
    case VT_UINT:
3064 3065 3066
    case VT_R8:
    case VT_CY:
    case VT_DATE:
3067 3068
    case VT_FILETIME:
        break;
3069 3070
    case VT_DISPATCH:
    case VT_UNKNOWN:
3071 3072 3073 3074
    case VT_STREAM:
    case VT_STREAMED_OBJECT:
    case VT_STORAGE:
    case VT_STORED_OBJECT:
3075 3076
        if (pvarDest->u.pStream)
            IStream_AddRef(pvarDest->u.pStream);
3077 3078 3079
        break;
    case VT_CLSID:
        pvarDest->u.puuid = CoTaskMemAlloc(sizeof(CLSID));
3080
        *pvarDest->u.puuid = *pvarSrc->u.puuid;
3081 3082
        break;
    case VT_LPSTR:
3083 3084 3085 3086 3087 3088
        if (pvarSrc->u.pszVal)
        {
            len = strlen(pvarSrc->u.pszVal);
            pvarDest->u.pszVal = CoTaskMemAlloc((len+1)*sizeof(CHAR));
            CopyMemory(pvarDest->u.pszVal, pvarSrc->u.pszVal, (len+1)*sizeof(CHAR));
        }
3089 3090
        break;
    case VT_LPWSTR:
3091 3092 3093 3094 3095 3096
        if (pvarSrc->u.pwszVal)
        {
            len = lstrlenW(pvarSrc->u.pwszVal);
            pvarDest->u.pwszVal = CoTaskMemAlloc((len+1)*sizeof(WCHAR));
            CopyMemory(pvarDest->u.pwszVal, pvarSrc->u.pwszVal, (len+1)*sizeof(WCHAR));
        }
3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107
        break;
    case VT_BLOB:
    case VT_BLOB_OBJECT:
        if (pvarSrc->u.blob.pBlobData)
        {
            len = pvarSrc->u.blob.cbSize;
            pvarDest->u.blob.pBlobData = CoTaskMemAlloc(len);
            CopyMemory(pvarDest->u.blob.pBlobData, pvarSrc->u.blob.pBlobData, len);
        }
        break;
    case VT_BSTR:
3108
        pvarDest->u.bstrVal = PropSysAllocString(pvarSrc->u.bstrVal);
3109 3110 3111 3112 3113
        break;
    case VT_CF:
        if (pvarSrc->u.pclipdata)
        {
            len = pvarSrc->u.pclipdata->cbSize - sizeof(pvarSrc->u.pclipdata->ulClipFmt);
3114 3115 3116
            pvarDest->u.pclipdata = CoTaskMemAlloc(sizeof (CLIPDATA));
            pvarDest->u.pclipdata->cbSize = pvarSrc->u.pclipdata->cbSize;
            pvarDest->u.pclipdata->ulClipFmt = pvarSrc->u.pclipdata->ulClipFmt;
Mike McCormack's avatar
Mike McCormack committed
3117
            pvarDest->u.pclipdata->pClipData = CoTaskMemAlloc(len);
3118 3119 3120 3121 3122 3123 3124
            CopyMemory(pvarDest->u.pclipdata->pClipData, pvarSrc->u.pclipdata->pClipData, len);
        }
        break;
    default:
        if (pvarSrc->vt & VT_VECTOR)
        {
            int elemSize;
3125 3126 3127
            ULONG i;

            switch(pvarSrc->vt & ~VT_VECTOR)
3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145
            {
            case VT_I1:       elemSize = sizeof(pvarSrc->u.cVal); break;
            case VT_UI1:      elemSize = sizeof(pvarSrc->u.bVal); break;
            case VT_I2:       elemSize = sizeof(pvarSrc->u.iVal); break;
            case VT_UI2:      elemSize = sizeof(pvarSrc->u.uiVal); break;
            case VT_BOOL:     elemSize = sizeof(pvarSrc->u.boolVal); break;
            case VT_I4:       elemSize = sizeof(pvarSrc->u.lVal); break;
            case VT_UI4:      elemSize = sizeof(pvarSrc->u.ulVal); break;
            case VT_R4:       elemSize = sizeof(pvarSrc->u.fltVal); break;
            case VT_R8:       elemSize = sizeof(pvarSrc->u.dblVal); break;
            case VT_ERROR:    elemSize = sizeof(pvarSrc->u.scode); break;
            case VT_I8:       elemSize = sizeof(pvarSrc->u.hVal); break;
            case VT_UI8:      elemSize = sizeof(pvarSrc->u.uhVal); break;
            case VT_CY:       elemSize = sizeof(pvarSrc->u.cyVal); break;
            case VT_DATE:     elemSize = sizeof(pvarSrc->u.date); break;
            case VT_FILETIME: elemSize = sizeof(pvarSrc->u.filetime); break;
            case VT_CLSID:    elemSize = sizeof(*pvarSrc->u.puuid); break;
            case VT_CF:       elemSize = sizeof(*pvarSrc->u.pclipdata); break;
3146 3147 3148
            case VT_BSTR:     elemSize = sizeof(pvarSrc->u.bstrVal); break;
            case VT_LPSTR:    elemSize = sizeof(pvarSrc->u.pszVal); break;
            case VT_LPWSTR:   elemSize = sizeof(pvarSrc->u.pwszVal); break;
3149
            case VT_VARIANT:  elemSize = sizeof(*pvarSrc->u.pvarVal); break;
3150 3151

            default:
3152
                FIXME("Invalid element type: %ul\n", pvarSrc->vt & ~VT_VECTOR);
3153 3154 3155
                return E_INVALIDARG;
            }
            len = pvarSrc->u.capropvar.cElems;
3156
            pvarDest->u.capropvar.pElems = len ? CoTaskMemAlloc(len * elemSize) : NULL;
3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167
            if (pvarSrc->vt == (VT_VECTOR | VT_VARIANT))
            {
                for (i = 0; i < len; i++)
                    PropVariantCopy(&pvarDest->u.capropvar.pElems[i], &pvarSrc->u.capropvar.pElems[i]);
            }
            else if (pvarSrc->vt == (VT_VECTOR | VT_CF))
            {
                FIXME("Copy clipformats\n");
            }
            else if (pvarSrc->vt == (VT_VECTOR | VT_BSTR))
            {
3168 3169
                for (i = 0; i < len; i++)
                    pvarDest->u.cabstr.pElems[i] = PropSysAllocString(pvarSrc->u.cabstr.pElems[i]);
3170 3171 3172
            }
            else if (pvarSrc->vt == (VT_VECTOR | VT_LPSTR))
            {
3173 3174 3175 3176 3177 3178 3179 3180
                size_t strLen;
                for (i = 0; i < len; i++)
                {
                    strLen = lstrlenA(pvarSrc->u.calpstr.pElems[i]) + 1;
                    pvarDest->u.calpstr.pElems[i] = CoTaskMemAlloc(strLen);
                    memcpy(pvarDest->u.calpstr.pElems[i],
                     pvarSrc->u.calpstr.pElems[i], strLen);
                }
3181
            }
3182
            else if (pvarSrc->vt == (VT_VECTOR | VT_LPWSTR))
3183
            {
3184 3185 3186 3187 3188 3189 3190 3191 3192
                size_t strLen;
                for (i = 0; i < len; i++)
                {
                    strLen = (lstrlenW(pvarSrc->u.calpwstr.pElems[i]) + 1) *
                     sizeof(WCHAR);
                    pvarDest->u.calpstr.pElems[i] = CoTaskMemAlloc(strLen);
                    memcpy(pvarDest->u.calpstr.pElems[i],
                     pvarSrc->u.calpstr.pElems[i], strLen);
                }
3193 3194 3195 3196
            }
            else
                CopyMemory(pvarDest->u.capropvar.pElems, pvarSrc->u.capropvar.pElems, len * elemSize);
        }
3197 3198
        else
            WARN("Invalid/unsupported type %d\n", pvarSrc->vt);
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    }

    return S_OK;
}

/***********************************************************************
 *           FreePropVariantArray			    [OLE32.@]
 */
HRESULT WINAPI FreePropVariantArray(ULONG cVariants, /* [in] */
                                    PROPVARIANT *rgvars)    /* [in/out] */
{
    ULONG i;

3212
    TRACE("(%u, %p)\n", cVariants, rgvars);
3213

3214 3215 3216
    if (!rgvars)
        return E_INVALIDARG;

3217 3218 3219 3220 3221 3222
    for(i = 0; i < cVariants; i++)
        PropVariantClear(&rgvars[i]);

    return S_OK;
}

3223
/******************************************************************************
3224
 * DllDebugObjectRPCHook (OLE32.@)
3225 3226 3227 3228 3229 3230 3231 3232
 * turns on and off internal debugging,  pointer is only used on macintosh
 */

BOOL WINAPI DllDebugObjectRPCHook(BOOL b, void *dummy)
{
  FIXME("stub\n");
  return TRUE;
}