61e33e31ab
participate in wxWindows RTTI system using wxClassInfo. Removed DECLARE_DYNAMIC_CLASS( wxPrivateDataObject ) git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2702 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
142 lines
4.6 KiB
C++
142 lines
4.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////
|
|
// Name: dataobj.h
|
|
// Purpose: common data object classes
|
|
// Author: Robert Roebling, Vadim Zeitlin
|
|
// Modified by:
|
|
// Created: 26.05.99
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) wxWindows Team
|
|
// Licence: wxWindows license
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _WX_DATAOBJ_H_BASE_
|
|
#define _WX_DATAOBJ_H_BASE_
|
|
|
|
#if defined(__WXMSW__)
|
|
// ----------------------------------------------------------------------------
|
|
// wxDataFormat identifies the single format of data
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLEXPORT wxDataFormat
|
|
{
|
|
public:
|
|
// the clipboard formats under Win32 are UINTs
|
|
typedef unsigned int NativeFormat;
|
|
|
|
wxDataFormat(NativeFormat format = wxDF_INVALID) { m_format = format; }
|
|
wxDataFormat& operator=(NativeFormat format)
|
|
{ m_format = format; return *this; }
|
|
|
|
// defautl copy ctor/assignment operators ok
|
|
|
|
// comparison (must have both versions)
|
|
bool operator==(wxDataFormatId format) const
|
|
{ return m_format == (NativeFormat)format; }
|
|
bool operator!=(wxDataFormatId format) const
|
|
{ return m_format != (NativeFormat)format; }
|
|
bool operator==(const wxDataFormat& format) const
|
|
{ return m_format == format.m_format; }
|
|
bool operator!=(const wxDataFormat& format) const
|
|
{ return m_format != format.m_format; }
|
|
|
|
// explicit and implicit conversions to NativeFormat which is one of
|
|
// standard data types (implicit conversion is useful for preserving the
|
|
// compatibility with old code)
|
|
NativeFormat GetFormatId() const { return m_format; }
|
|
operator NativeFormat() const { return m_format; }
|
|
|
|
// this only works with standard ids
|
|
void SetId(wxDataFormatId format) { m_format = format; }
|
|
|
|
// string ids are used for custom types - this SetId() must be used for
|
|
// application-specific formats
|
|
wxString GetId() const;
|
|
void SetId(const wxChar *format);
|
|
|
|
private:
|
|
// returns TRUE if the format is one of those defined in wxDataFormatId
|
|
bool IsStandard() const { return m_format > 0 && m_format < wxDF_MAX; }
|
|
|
|
NativeFormat m_format;
|
|
};
|
|
|
|
#include "wx/msw/ole/dataobj.h"
|
|
#elif defined(__WXMOTIF__)
|
|
#include "wx/motif/dataobj.h"
|
|
#elif defined(__WXGTK__)
|
|
#include "wx/gtk/dataobj.h"
|
|
#elif defined(__WXQT__)
|
|
#include "wx/qt/dnd.h"
|
|
#elif defined(__WXMAC__)
|
|
#include "wx/mac/dnd.h"
|
|
#elif defined(__WXSTUBS__)
|
|
#include "wx/stubs/dnd.h"
|
|
#endif
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// wxPrivateDataObject is a specialization of wxDataObject for app specific
|
|
// data (of some given kind, derive directly from wxDataObject if you wish to
|
|
// efficiently support multiple formats)
|
|
// ---------------------------------------------------------------------------
|
|
|
|
class WXDLLEXPORT wxPrivateDataObject : public wxDataObject
|
|
{
|
|
|
|
public:
|
|
wxPrivateDataObject();
|
|
virtual ~wxPrivateDataObject() { Free(); }
|
|
|
|
// get the format object - it is used to decide whether we support the
|
|
// given output format or not
|
|
wxDataFormat& GetFormat() { return m_format; }
|
|
|
|
// set data. will make copy of the data
|
|
void SetData( const void *data, size_t size );
|
|
|
|
// returns pointer to data
|
|
void *GetData() const { return m_data; }
|
|
|
|
// get the size of the data
|
|
virtual size_t GetSize() const;
|
|
|
|
// copy data to the given buffer
|
|
virtual void WriteData( void *dest ) const;
|
|
|
|
// these functions are provided for wxGTK compatibility, their usage is
|
|
// deprecated - use GetFormat().SetId() instead
|
|
void SetId( const wxString& id ) { m_format.SetId(id); }
|
|
wxString GetId() const { return m_format.GetId(); }
|
|
|
|
// implement the base class pure virtuals
|
|
virtual wxDataFormat GetPreferredFormat() const
|
|
{ return m_format; }
|
|
virtual bool IsSupportedFormat(wxDataFormat format) const
|
|
{ return m_format == format; }
|
|
virtual size_t GetDataSize() const
|
|
{ return m_size; }
|
|
virtual void GetDataHere(void *dest) const
|
|
{ WriteData(dest); }
|
|
|
|
protected:
|
|
// the function which really copies the data - called by WriteData() above
|
|
// and uses GetSize() to get the size of the data
|
|
//
|
|
// VZ: I really wonder why do we need it
|
|
void WriteData( const void *data, void *dest ) const;
|
|
|
|
private:
|
|
// free the data
|
|
inline void Free();
|
|
|
|
// the data
|
|
size_t m_size;
|
|
void *m_data;
|
|
|
|
// the data format
|
|
wxDataFormat m_format;
|
|
};
|
|
|
|
|
|
#endif
|
|
// _WX_DATAOBJ_H_BASE_
|