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Diffstat (limited to '')
-rw-r--r-- | vcl/workben/win/dtrans/XTDo.hxx | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/vcl/workben/win/dtrans/XTDo.hxx b/vcl/workben/win/dtrans/XTDo.hxx new file mode 100644 index 000000000..095987a49 --- /dev/null +++ b/vcl/workben/win/dtrans/XTDo.hxx @@ -0,0 +1,111 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#pragma once + +#if defined _MSC_VER +#pragma warning(push,1) +#endif +#include <windows.h> +#include <ole2.h> +#include <objidl.h> +#if defined _MSC_VER +#pragma warning(pop) +#endif + +#include <vector> + +class EnumFormatEtc; + +/*-------------------------------------------------------------------------- + - the function principle of the windows clipboard: + a data provider offers all formats he can deliver on the clipboard + a clipboard client ask for the available formats on the clipboard + and decides if there is a format he can use + if there is one, he requests the data in this format + + - This class inherits from IDataObject and so can be placed on the + OleClipboard. The class wraps a transferable object which is the + original DataSource + - DataFlavors offered by this transferable will be translated into + appropriate clipboard formats + - if the transferable contains text data always text and unicodetext + will be offered or vice versa + - text data will be automatically converted between text and unicode text + - although the transferable may support text in different charsets + (codepages) only text in one codepage can be offered by the clipboard + +----------------------------------------------------------------------------*/ + +class CXTDataObject : public IDataObject +{ +public: + CXTDataObject( ); + + // ole interface implementation + + //IUnknown interface methods + STDMETHODIMP QueryInterface(REFIID iid, LPVOID* ppvObject); + STDMETHODIMP_( ULONG ) AddRef( ); + STDMETHODIMP_( ULONG ) Release( ); + + // IDataObject interface methods + STDMETHODIMP GetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium ); + STDMETHODIMP GetDataHere( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium ); + STDMETHODIMP QueryGetData( LPFORMATETC pFormatetc ); + STDMETHODIMP GetCanonicalFormatEtc( LPFORMATETC pFormatectIn, LPFORMATETC pFormatetcOut ); + STDMETHODIMP SetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium, BOOL fRelease ); + STDMETHODIMP EnumFormatEtc( DWORD dwDirection, IEnumFORMATETC** ppenumFormatetc ); + STDMETHODIMP DAdvise( LPFORMATETC pFormatetc, DWORD advf, LPADVISESINK pAdvSink, DWORD* pdwConnection ); + STDMETHODIMP DUnadvise( DWORD dwConnection ); + STDMETHODIMP EnumDAdvise( LPENUMSTATDATA* ppenumAdvise ); + + operator IDataObject*( ); + +private: + +private: + LONG m_nRefCnt; +}; + +class CEnumFormatEtc : public IEnumFORMATETC +{ +public: + explicit CEnumFormatEtc( LPUNKNOWN pUnkDataObj ); + + // IUnknown + STDMETHODIMP QueryInterface( REFIID iid, LPVOID* ppvObject ); + STDMETHODIMP_( ULONG ) AddRef( ); + STDMETHODIMP_( ULONG ) Release( ); + + //IEnumFORMATETC + STDMETHODIMP Next( ULONG celt, LPFORMATETC rgelt, ULONG* pceltFetched ); + STDMETHODIMP Skip( ULONG celt ); + STDMETHODIMP Reset( ); + STDMETHODIMP Clone( IEnumFORMATETC** ppenum ); + +private: + LONG m_nRefCnt; + LPUNKNOWN m_pUnkDataObj; + ULONG m_nCurrPos; +}; + +typedef CEnumFormatEtc *PCEnumFormatEtc; + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |