wxWidgets/include/wx/msw/ole/dataobj2.h
2001-08-16 23:46:56 +00:00

104 lines
3.4 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: wx/msw/ole/dataobj2.h
// Purpose: second part of platform specific wxDataObject header -
// declarations of predefined wxDataObjectSimple-derived classes
// Author: Vadim Zeitlin
// Modified by:
// Created: 21.10.99
// RCS-ID: $Id$
// Copyright: (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows license
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_MSW_OLE_DATAOBJ2_H
#define _WX_MSW_OLE_DATAOBJ2_H
// ----------------------------------------------------------------------------
// wxBitmapDataObject is a specialization of wxDataObject for bitmap data
//
// NB: in fact, under MSW we support CF_DIB (and not CF_BITMAP) clipboard
// format and we also provide wxBitmapDataObject2 for CF_BITMAP (which is
// rarely used). This is ugly, but I haven't found a solution for it yet.
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxBitmapDataObject : public wxBitmapDataObjectBase
{
public:
// ctors
wxBitmapDataObject(const wxBitmap& bitmap = wxNullBitmap)
: wxBitmapDataObjectBase(bitmap)
{
SetFormat(wxDF_DIB);
m_data = NULL;
}
// implement base class pure virtuals
virtual size_t GetDataSize() const;
virtual bool GetDataHere(void *buf) const;
virtual bool SetData(size_t len, const void *buf);
private:
// the DIB data
void /* BITMAPINFO */ *m_data;
};
// ----------------------------------------------------------------------------
// wxBitmapDataObject2 - a data object for CF_BITMAP
//
// FIXME did I already mention it was ugly?
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxBitmapDataObject2 : public wxBitmapDataObjectBase
{
public:
// ctors
wxBitmapDataObject2(const wxBitmap& bitmap = wxNullBitmap)
: wxBitmapDataObjectBase(bitmap)
{
}
// implement base class pure virtuals
virtual size_t GetDataSize() const;
virtual bool GetDataHere(void *buf) const;
virtual bool SetData(size_t len, const void *buf);
};
// ----------------------------------------------------------------------------
// wxFileDataObject - data object for CF_HDROP
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxFileDataObject : public wxFileDataObjectBase
{
public:
// implement base class pure virtuals
virtual bool SetData(size_t len, const void *buf);
virtual size_t GetDataSize() const;
virtual bool GetDataHere(void *pData) const;
virtual void AddFile(const wxString& file);
};
// ----------------------------------------------------------------------------
// wxURLDataObject: data object for URLs
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxURLDataObject : public wxDataObjectComposite
{
public:
wxURLDataObject();
// return the URL as string
wxString GetURL() const;
// override to set m_textFormat
virtual bool SetData(const wxDataFormat& format,
size_t len,
const void *buf);
private:
// last data object we got data in
wxDataObjectSimple *m_dataObjectLast;
};
#endif // _WX_MSW_OLE_DATAOBJ2_H