C++ ILClone函数代码示例

CFileContextMenuManager::CFileContextMenuManager(HWND hwnd,
	LPITEMIDLIST pidlParent,std::list<LPITEMIDLIST> pidlItemList) :
m_hwnd(hwnd),
m_pidlParent(ILClone(pidlParent)),
m_pShellContext3(NULL),
m_pShellContext2(NULL),
m_pShellContext(NULL)
{
	IContextMenu *pContextMenu = NULL;
	HRESULT hr;

	for each(auto pidl in pidlItemList)
	{
		m_pidlItemList.push_back(ILClone(pidl));
	}

HRESULT WINAPI CRecycleBinItemContextMenu::Initialize(LPCITEMIDLIST pidl)
{
    apidl = ILClone(pidl);
    if (apidl == NULL)
        return E_OUTOFMEMORY;
    return S_OK;
}

HRESULT CDS_IDLDropTarget_Create(HWND hwndOwner, IDropTargetVtbl *lpVtbl,
                              LPCITEMIDLIST pidl, LPDROPTARGET *ppdropt)
{
    LPIDLDROPTARGET pidldt = (void*)LocalAlloc(LPTR, SIZEOF(CIDLDropTarget));
    if (pidldt)
    {
        pidldt->pidl = ILClone(pidl);
        if (pidldt->pidl)
        {
            pidldt->dropt.lpVtbl = lpVtbl;
            pidldt->cRef = 1;
            pidldt->hwndOwner = hwndOwner;

            Assert(pidldt->pdtgAgr == NULL);

            *ppdropt = &pidldt->dropt;

            return S_OK;
        }
        else
            LocalFree((HLOCAL)pidldt);
    }
    *ppdropt = NULL;
    return E_OUTOFMEMORY;
}

HRESULT WINAPI SHCreateDefaultContextMenu(const DEFCONTEXTMENU *pdcm, REFIID riid, void **ppv)
{
    IShellFolder *folder=pdcm->psf;
    LPITEMIDLIST folder_pidl;
    HRESULT ret;
    IContextMenu *system_menu;
    TRACE("(%p,%s,%p)\n",pdcm,shdebugstr_guid(riid),ppv);
    if(!pdcm->pidlFolder)
    {
        IPersistFolder2 *persist;
        IShellFolder_QueryInterface(folder,&IID_IPersistFolder2,(void**)&persist);
        IPersistFolder2_GetCurFolder(persist,&folder_pidl);
        IPersistFolder2_Release(persist);
    }
    else
        folder_pidl=ILClone(pdcm->pidlFolder);
    if(pdcm->cKeys==0)
        FIXME("Loading shell extensions using IQueryAssociations not yet supported\n");

    ItemMenu_Constructor(folder, folder_pidl, (const LPCITEMIDLIST*)pdcm->apidl, pdcm->cidl, &IID_IContextMenu, (void**)&system_menu);
    ret = SHELL_CreateContextMenu(pdcm->hwnd,system_menu,folder,folder_pidl,(LPCITEMIDLIST*)pdcm->apidl,pdcm->cidl,pdcm->aKeys,pdcm->cKeys,riid,ppv);
    IContextMenu_Release(system_menu);
    ILFree(folder_pidl);
    return ret;
}

/**************************************************************************
*  IDataObject_Constructor
*/
LPDATAOBJECT IDataObject_Constructor(HWND hwndOwner, LPITEMIDLIST pMyPidl, LPITEMIDLIST * apidl, UINT cidl)
{
	IDataObjectImpl* dto;

	dto = (IDataObjectImpl*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDataObjectImpl));

	if (dto)
	{
	  dto->ref = 1;
	  ICOM_VTBL(dto) = &dtovt;
	  dto->pidl = ILClone(pMyPidl);
	  dto->apidl = _ILCopyaPidl(apidl, cidl);
	  dto->cidl = cidl;

	  dto->cfShellIDList = RegisterClipboardFormatA(CFSTR_SHELLIDLIST);
	  dto->cfFileName = RegisterClipboardFormatA(CFSTR_FILENAMEA);
	  InitFormatEtc(dto->pFormatEtc[0], dto->cfShellIDList, TYMED_HGLOBAL);
	  InitFormatEtc(dto->pFormatEtc[1], CF_HDROP, TYMED_HGLOBAL);
	  InitFormatEtc(dto->pFormatEtc[2], dto->cfFileName, TYMED_HGLOBAL);

	  shell32_ObjCount++;
	}

	TRACE("(%p)->(apidl=%p cidl=%u)\n",dto, apidl, cidl);
	return (LPDATAOBJECT)dto;
}

HRESULT ItemMenu_Constructor(IShellFolder *parent, LPCITEMIDLIST pidl, const LPCITEMIDLIST *apidl, UINT cidl,
    REFIID riid, void **pObj)
{
    ContextMenu* This;
    HRESULT hr;
    UINT i;

    This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
    if (!This) return E_OUTOFMEMORY;

    This->IContextMenu3_iface.lpVtbl = &ItemContextMenuVtbl;
    This->ref = 1;
    This->parent = parent;
    if (parent) IShellFolder_AddRef(parent);

    This->pidl = ILClone(pidl);
    This->apidl = _ILCopyaPidl(apidl, cidl);
    This->cidl = cidl;
    This->allvalues = TRUE;

    This->desktop = FALSE;

    for (i = 0; i < cidl; i++)
       This->allvalues &= (_ILIsValue(apidl[i]) ? 1 : 0);

    hr = IContextMenu3_QueryInterface(&This->IContextMenu3_iface, riid, pObj);
    IContextMenu3_Release(&This->IContextMenu3_iface);

    return hr;
}

/**************************************************************************
 *    CPrinterFolder::GetCurFolder
 */
HRESULT WINAPI CPrinterFolder::GetCurFolder(LPITEMIDLIST * pidl)
{
    TRACE ("(%p)->(%p)\n", this, pidl);

    *pidl = ILClone (pidlRoot);
    return S_OK;
}

/**************************************************************************
*   ISvItemCm_Constructor()
*/
IContextMenu2 *ISvItemCm_Constructor(LPSHELLFOLDER pSFParent, LPCITEMIDLIST pidl, const LPCITEMIDLIST *apidl, UINT cidl)
{	ItemCmImpl* cm;
	UINT  u;

	cm = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(ItemCmImpl));
	cm->IContextMenu2_iface.lpVtbl = &cmvt;
	cm->ref = 1;
	cm->pidl = ILClone(pidl);
	cm->pSFParent = pSFParent;

	if(pSFParent) IShellFolder_AddRef(pSFParent);

	cm->apidl = _ILCopyaPidl(apidl, cidl);
	cm->cidl = cidl;

	cm->bAllValues = 1;
	for(u = 0; u < cidl; u++)
	{
	  cm->bAllValues &= (_ILIsValue(apidl[u]) ? 1 : 0);
	}

	TRACE("(%p)->()\n",cm);

	return &cm->IContextMenu2_iface;
}

static LPITEMIDLIST _ILReadFromSharedMemory(PCWSTR strField)
{
    LPITEMIDLIST ret = NULL;

    // Ensure it really is an IDLIST-formatted parameter
    // Format for IDLIST params: ":pid:shared"
    if (*strField != L':')
        return NULL;

    HANDLE hData = (HANDLE) StrToIntW(strField + 1);
    PWSTR strSecond = StrChrW(strField + 1, L':');

    if (strSecond)
    {
        int pid = StrToIntW(strSecond + 1);
        void* pvShared = SHLockShared(hData, pid);
        if (pvShared)
        {
            ret = ILClone((LPCITEMIDLIST) pvShared);
            SHUnlockShared(pvShared);
            SHFreeShared(hData, pid);
        }
    }
    return ret;
}

HRESULT WINAPI CDefFolderMenu_Create2(LPCITEMIDLIST pidlFolder, HWND hwnd, UINT cidl,
                                      LPCITEMIDLIST *apidl, IShellFolder *psf,
                                      LPFNDFMCALLBACK lpfn, UINT nKeys, const HKEY *ahkeys,
                                      IContextMenu **ppcm)
{
    IContextMenu *system_menu;
    HRESULT hres;
    LPITEMIDLIST folder_pidl;
    TRACE("(%p,%p,%u,%p,%p,%u,%p,%p)\n",pidlFolder,hwnd,cidl,apidl,psf,nKeys,ahkeys,ppcm);
    if(!pidlFolder)
    {
        IPersistFolder2 *persist;
        IShellFolder_QueryInterface(psf,&IID_IPersistFolder2,(void**)&persist);
        IPersistFolder2_GetCurFolder(persist,&folder_pidl);
        IPersistFolder2_Release(persist);
    }
    else
        folder_pidl=ILClone(pidlFolder);

    ItemMenu_Constructor(psf, folder_pidl, (const LPCITEMIDLIST*)apidl, cidl, &IID_IContextMenu, (void**)&system_menu);
    hres= SHELL_CreateContextMenu(hwnd,system_menu,psf,folder_pidl,apidl,cidl,ahkeys,nKeys,&IID_IContextMenu,(void**)ppcm);
    IContextMenu_Release(system_menu);
    ILFree(folder_pidl);
    return hres;
}

static HRESULT WINAPI RecycleBin_GetCurFolder(IPersistFolder2 *iface, LPITEMIDLIST *ppidl)
{
    RecycleBin *This = impl_from_IPersistFolder2(iface);
    TRACE("\n");
    *ppidl = ILClone(This->pidl);
    return S_OK;
}

/************************************************************************
 *	ISF_NetConnect_PersistFolder2_Initialize
 *
 * NOTES: it makes no sense to change the pidl
 */
HRESULT WINAPI CNetworkConnections::Initialize(PCIDLIST_ABSOLUTE pidl)
{
    SHFree(m_pidlRoot);
    m_pidlRoot = ILClone(pidl);

    return S_OK;
}

static BOOL BrsFolder_OnCommand( browse_info *info, UINT id )
{
    LPBROWSEINFOW lpBrowseInfo = info->lpBrowseInfo;

    switch (id)
    {
    case IDOK:
        /* The original pidl is owned by the treeview and will be free'd. */
        info->pidlRet = ILClone(info->pidlRet);
        if (info->pidlRet == NULL) /* A null pidl would mean a cancel */
            info->pidlRet = _ILCreateDesktop();
        pdump( info->pidlRet );
        if (lpBrowseInfo->pszDisplayName)
            SHGetPathFromIDListW( info->pidlRet, lpBrowseInfo->pszDisplayName );
        EndDialog( info->hWnd, 1 );
        return TRUE;

    case IDCANCEL:
        EndDialog( info->hWnd, 0 );
        return TRUE;

    case IDD_MAKENEWFOLDER:
        FIXME("make new folder not implemented\n");
        return TRUE;
    }
    return FALSE;
}

static HRESULT WINAPI ISF_Desktop_IPersistFolder2_fnGetCurFolder(
    IPersistFolder2 *iface, LPITEMIDLIST *ppidl)
{
    IDesktopFolderImpl *This = impl_from_IPersistFolder2( iface );
    *ppidl = ILClone(This->pidlRoot);
    return S_OK;
}

/************************************************************************
 *	ISF_NetConnect_PersistFolder2_Initialize
 *
 * NOTES: it makes no sense to change the pidl
 */
HRESULT WINAPI CNetworkConnections::Initialize(LPCITEMIDLIST pidl)
{
    SHFree(pidlRoot);
    pidlRoot = ILClone(pidl);

    return S_OK;
}