69 lines
2.7 KiB
C++
69 lines
2.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: msw/ole/dataform.h
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// Purpose: declaration of the wxDataFormat class
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 19.10.99 (extracted from msw/ole/dataobj.h)
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// RCS-ID: $Id: dataform.h 28812 2004-08-16 12:45:46Z ABX $
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// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_MSW_OLE_DATAFORM_H
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#define _WX_MSW_OLE_DATAFORM_H
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// ----------------------------------------------------------------------------
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// wxDataFormat identifies the single format of data
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxDataFormat
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{
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public:
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// the clipboard formats under Win32 are WORD's
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typedef unsigned short NativeFormat;
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wxDataFormat(NativeFormat format = wxDF_INVALID) { m_format = format; }
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wxDataFormat(const wxChar *format) { SetId(format); }
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wxDataFormat& operator=(NativeFormat format)
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{ m_format = format; return *this; }
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wxDataFormat& operator=(const wxDataFormat& format)
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{ m_format = format.m_format; return *this; }
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// default copy ctor/assignment operators ok
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// comparison (must have both versions)
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bool operator==(wxDataFormatId format) const
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{ return m_format == (NativeFormat)format; }
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bool operator!=(wxDataFormatId format) const
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{ return m_format != (NativeFormat)format; }
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bool operator==(const wxDataFormat& format) const
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{ return m_format == format.m_format; }
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bool operator!=(const wxDataFormat& format) const
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{ return m_format != format.m_format; }
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// explicit and implicit conversions to NativeFormat which is one of
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// standard data types (implicit conversion is useful for preserving the
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// compatibility with old code)
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NativeFormat GetFormatId() const { return m_format; }
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operator NativeFormat() const { return m_format; }
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// this works with standard as well as custom ids
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void SetType(NativeFormat format) { m_format = format; }
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NativeFormat GetType() const { return m_format; }
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// string ids are used for custom types - this SetId() must be used for
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// application-specific formats
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wxString GetId() const;
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void SetId(const wxChar *format);
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// returns true if the format is one of those defined in wxDataFormatId
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bool IsStandard() const { return m_format > 0 && m_format < wxDF_PRIVATE; }
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private:
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NativeFormat m_format;
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};
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#endif // _WX_MSW_OLE_DATAFORM_H
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