wxWidgets/include/wx/osx/dataobj2.h
2019-04-05 11:08:53 -07:00

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3.1 KiB
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///////////////////////////////////////////////////////////////////////////////
// Name: wx/osx/dataobj2.h
// Purpose: declaration of standard wxDataObjectSimple-derived classes
// Author: David Webster (adapted from Robert Roebling's gtk port
// Modified by:
// Created: 10/21/99
// Copyright: (c) 1998, 1999 Vadim Zeitlin, Robert Roebling
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_MAC_DATAOBJ2_H_
#define _WX_MAC_DATAOBJ2_H_
// ----------------------------------------------------------------------------
// wxBitmapDataObject is a specialization of wxDataObject for bitmaps
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxBitmapDataObject : public wxBitmapDataObjectBase
{
public:
// ctors
wxBitmapDataObject();
wxBitmapDataObject(const wxBitmap& bitmap);
// destr
virtual ~wxBitmapDataObject();
// override base class virtual to update PNG data too
virtual void SetBitmap(const wxBitmap& bitmap) wxOVERRIDE;
// implement base class pure virtuals
// ----------------------------------
virtual size_t GetDataSize() const wxOVERRIDE;
virtual bool GetDataHere(void *buf) const wxOVERRIDE;
virtual bool SetData(size_t len, const void *buf) wxOVERRIDE;
// Must provide overloads to avoid hiding them (and warnings about it)
virtual size_t GetDataSize(const wxDataFormat&) const wxOVERRIDE
{
return GetDataSize();
}
virtual bool GetDataHere(const wxDataFormat&, void *buf) const wxOVERRIDE
{
return GetDataHere(buf);
}
virtual bool SetData(const wxDataFormat&, size_t len, const void *buf) wxOVERRIDE
{
return SetData(len, buf);
}
protected :
void Init() ;
void Clear() ;
void* m_pictHandle ;
bool m_pictCreated ;
};
// ----------------------------------------------------------------------------
// wxFileDataObject is a specialization of wxDataObject for file names
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxFileDataObject : public wxFileDataObjectBase
{
public:
// implement base class pure virtuals
// ----------------------------------
void AddFile( const wxString &filename );
virtual size_t GetDataSize() const wxOVERRIDE;
virtual bool GetDataHere(void *buf) const wxOVERRIDE;
virtual bool SetData(size_t len, const void *buf) wxOVERRIDE;
// Must provide overloads to avoid hiding them (and warnings about it)
virtual size_t GetDataSize(const wxDataFormat&) const wxOVERRIDE
{
return GetDataSize();
}
virtual bool GetDataHere(const wxDataFormat&, void *buf) const wxOVERRIDE
{
return GetDataHere(buf);
}
virtual bool SetData(const wxDataFormat&, size_t len, const void *buf) wxOVERRIDE
{
return SetData(len, buf);
}
protected:
// translates the filenames stored into a utf8 encoded char stream
void GetFileNames(wxCharBuffer &buf) const ;
};
#endif // _WX_MAC_DATAOBJ2_H_