xap_Win32DragAndDrop.h

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/* AbiSource Application Framework
 * Copyright (C) 1998 AbiSource, Inc.
 *
 * 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 XAP_WIN32DROPTARGET_H
#define XAP_WIN32DROPTARGET_H

#include <stdlib.h>
#include <windows.h>
#include <commctrl.h>   // includes the common control header
#ifndef __MINGW32__
#include <crtdbg.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <string.h>
#include <io.h>
#include <fcntl.h>
#include <ole2.h>

#include "xap_Frame.h"


/*****************************************************************
******************************************************************
** XAP_Win32DropTarget implements the OLE 2 Drop functionality in
** AbiWord
******************************************************************
*****************************************************************/

interface ABI_EXPORT XAP_Win32DropTarget : public IDropTarget
{

public:

    XAP_Win32DropTarget();
    virtual ~XAP_Win32DropTarget() {}

    // Ole Methods
    STDMETHODIMP QueryInterface (REFIID riid, LPVOID FAR* ppv);
    STDMETHODIMP_(ULONG) AddRef ();
    STDMETHODIMP_(ULONG) Release ();


    STDMETHODIMP DragEnter (LPDATAOBJECT pDataObj, DWORD grfKeyState,
            POINTL pt, LPDWORD pdwEffect);
    STDMETHODIMP DragOver  (DWORD grfKeyState, POINTL pt, LPDWORD pdwEffect);
    STDMETHODIMP DragLeave ();
    STDMETHODIMP Drop (LPDATAOBJECT pDataObj, DWORD grfKeyState, POINTL pt,
            LPDWORD pdwEffect);

    // Helper
    void setFrame(XAP_Frame* pFrame) {m_pFrame = pFrame;};
private:

    int             m_nCount;                 // reference count
    UINT            m_uCF_RTF;
    bool            m_bSupportedFormat;
    XAP_Frame*      m_pFrame;


};


#endif