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Diffstat (limited to 'dtrans/source/inc/MtaOleClipb.hxx')
| -rw-r--r-- | dtrans/source/inc/MtaOleClipb.hxx | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/dtrans/source/inc/MtaOleClipb.hxx b/dtrans/source/inc/MtaOleClipb.hxx new file mode 100644 index 000000000000..e3323d2b9869 --- /dev/null +++ b/dtrans/source/inc/MtaOleClipb.hxx @@ -0,0 +1,153 @@ +/************************************************************************* + * + * $RCSfile: MtaOleClipb.hxx,v $ + * + * $Revision: 1.1 $ + * + * last change: $Author: tra $ $Date: 2001-03-14 14:48:23 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * 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 + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (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.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRUNTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRUNTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc.. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#ifndef _MTAOLECLIPB_HXX_ +#define _MTAOLECLIPB_HXX_ + +#ifndef _SAL_TYPES_H_ +#include <sal/types.h> +#endif + +//#include <windows.h> +#include <objidl.h> + +//-------------------------------------------------------- +// the Mta-Ole clipboard class is for internal use only! +// only one instance of this class should be created, the +// user has to ensure this! +// the class is not thread-safe because it will be used +// only from within the clipboard service and the methods +// of the clipboard service are already synchronized +//-------------------------------------------------------- + +class CMtaOleClipboard +{ +public: + typedef void ( WINAPI *LPFNC_CLIPVIEWER_CALLBACK_t )( void ); + +public: + CMtaOleClipboard( ); + ~CMtaOleClipboard( ); + + // clipboard functions + HRESULT setClipboard( IDataObject* pIDataObject ); + HRESULT getClipboard( IDataObject** ppIDataObject ); + HRESULT flushClipboard( ); + + // register/unregister a clipboard viewer; there can only + // be one at a time; parameter NULL means unregister + // a clipboard viewer + // returns true on success else false; use GetLastError( ) in + // false case + sal_Bool registerClipViewer( LPFNC_CLIPVIEWER_CALLBACK_t pfncClipViewerCallback ); + +private: + unsigned int run( ); + + // create a hidden windows which serves as an request + // target; so we guarantee synchronization + void createMtaOleReqWnd( ); + + // message support + sal_Bool postMessage( UINT msg, WPARAM wParam = 0, LPARAM lParam = 0 ); + LRESULT sendMessage( UINT msg, WPARAM wParam = 0, LPARAM lParam = 0 ); + + //--------------------------------------------------------------- + // message handler functions; remeber these functions are called + // from a different thread context! + //--------------------------------------------------------------- + + LRESULT onSetClipboard( IDataObject* pIDataObject ); + LRESULT onGetClipboard( LPSTREAM* ppStream ); + LRESULT onFlushClipboard( ); + sal_Bool onRegisterClipViewer( LPFNC_CLIPVIEWER_CALLBACK_t pfncClipViewerCallback ); + + // win32 clipboard-viewer support + LRESULT onChangeCBChain( HWND hWndRemove, HWND hWndNext ); + LRESULT onDrawClipboard( ); + + static LRESULT CALLBACK mtaOleReqWndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ); + static unsigned int WINAPI oleThreadProc( LPVOID pParam ); + + sal_Bool WaitForThreadReady( ) const; + sal_Bool WaitOpComplete( ) const; + +private: + HANDLE m_hOleThread; + unsigned m_uOleThreadId; + HANDLE m_hEvtThrdReady; + HANDLE m_hEvtOpComplete; + HANDLE m_hEvtWmDrawClipboardReady; + HWND m_hwndMtaOleReqWnd; + HWND m_hwndNextClipViewer; + LPFNC_CLIPVIEWER_CALLBACK_t m_pfncClipViewerCallback; + sal_Bool m_bInRegisterClipViewer; + sal_Bool m_bInFlushClipboard; + + static CMtaOleClipboard* s_theMtaOleClipboardInst; + +// not allowed +private: + CMtaOleClipboard( const CMtaOleClipboard& ); + CMtaOleClipboard& operator=( const CMtaOleClipboard& ); +}; + +#endif
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