wxWidgets/include/wx/osx/dataform.h
2020-11-29 20:42:26 +01:00

80 lines
2.7 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: wx/osx/dataform.h
// Purpose: declaration of the wxDataFormat class
// Author: Stefan Csomor (lifted from dnd.h)
// Modified by:
// Created: 10/21/99
// Copyright: (c) 1999 Stefan Csomor
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_MAC_DATAFORM_H
#define _WX_MAC_DATAFORM_H
#include "wx/osx/core/cfstring.h"
class WXDLLIMPEXP_CORE wxDataFormat
{
public:
typedef CFStringRef NativeFormat;
wxDataFormat();
wxDataFormat(wxDataFormatId vType);
wxDataFormat(const wxDataFormat& rFormat);
wxDataFormat(const wxString& rId);
wxDataFormat(const wxChar* pId);
wxDataFormat(NativeFormat vFormat);
~wxDataFormat();
wxDataFormat& operator=(NativeFormat vFormat)
{ SetId(vFormat); return *this; }
// comparison (must have both versions)
bool operator==(const wxDataFormat& format) const ;
bool operator!=(const wxDataFormat& format) const
{ return ! ( *this == format ); }
bool operator==(wxDataFormatId format) const
{ return m_type == (wxDataFormatId)format; }
bool operator!=(wxDataFormatId format) const
{ return m_type != (wxDataFormatId)format; }
wxDataFormat& operator=(const wxDataFormat& 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; }
void SetId(NativeFormat format);
// string ids are used for custom types - this SetId() must be used for
// application-specific formats
wxString GetId() const;
void SetId(const wxString& pId);
// implementation
wxDataFormatId GetType() const { return m_type; }
void SetType( wxDataFormatId type );
static NativeFormat GetFormatForType(wxDataFormatId type);
// returns true if the format is one of those defined in wxDataFormatId
bool IsStandard() const { return m_type > 0 && m_type < wxDF_PRIVATE; }
// adds all the native formats for this format when calling a GetData
void AddSupportedTypesForGetting(CFMutableArrayRef types) const;
// adds all the native formats for this format when calling a SetData
void AddSupportedTypesForSetting(CFMutableArrayRef types) const;
private:
void DoAddSupportedTypes(CFMutableArrayRef types, bool forSetting) const;
void ClearNativeFormat();
wxDataFormatId m_type;
wxString m_id;
wxCFStringRef m_format;
};
#endif // _WX_MAC_DATAFORM_H