win32_dragdrop.hpp
资源名称:vlc-1.0.5.zip [点击查看]
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上传日期:2020-07-06
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文件大小:2k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * win32_dragdrop.hpp
- *****************************************************************************
- * Copyright (C) 2003 the VideoLAN team
- * $Id: 3c263deba7e1abe049c9ec4aac48b853268a3155 $
- *
- * Authors: Cyril Deguet <asmax@via.ecp.fr>
- * Olivier Teulière <ipkiss@via.ecp.fr>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- #ifndef WIN32_DRAGDROP_HPP
- #define WIN32_DRAGDROP_HPP
- #include <shellapi.h>
- #include <ole2.h>
- #include "../src/skin_common.hpp"
- class Win32DragDrop: public SkinObject, public IDropTarget
- {
- public:
- Win32DragDrop( intf_thread_t *pIntf, bool playOnDrop );
- virtual ~Win32DragDrop() {}
- protected:
- // IUnknown methods
- STDMETHOD(QueryInterface)( REFIID riid, void FAR* FAR* ppvObj );
- STDMETHOD_(ULONG, AddRef)();
- STDMETHOD_(ULONG, Release)();
- // IDropTarget methods
- STDMETHOD(DragEnter)( LPDATAOBJECT pDataObj, DWORD grfKeyState,
- POINTL pt, DWORD *pdwEffect );
- STDMETHOD(DragOver)( DWORD grfKeyState, POINTL pt, DWORD *pdwEffect );
- STDMETHOD(DragLeave)();
- STDMETHOD(Drop)( LPDATAOBJECT pDataObj, DWORD grfKeyState,
- POINTL pt, DWORD *pdwEffect );
- private:
- /// Internal reference counter
- unsigned long m_references;
- /// Indicates whether the file(s) must be played immediately
- bool m_playOnDrop;
- /// Helper function
- void HandleDrop( HDROP HDrop );
- };
- #endif