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106 lines
3.5 KiB
106 lines
3.5 KiB
/***************************************************************************
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charcolumninterface.h - description
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-------------------
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begin : Fri Sep 12 2003
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copyright : (C) 2003 by Friedrich W. H. Kossebau
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email : Friedrich.W.H@Kossebau.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License version 2 as published by the Free Software Foundation. *
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* *
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***************************************************************************/
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#ifndef CHARCOLUMNINTERFACE_H
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#define CHARCOLUMNINTERFACE_H
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#include <tqstring.h>
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namespace KHE
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{
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/**
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* @short A simple interface for the access to the char column of a hex edit widget
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*
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* @author Friedrich W. H. Kossebau <Friedrich.W.H@Kossebau.de>
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* @see createBytesEditWidget(), charColumnInterface()
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* @since 3.2
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*/
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class CharColumnInterface
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{
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public:
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/** encoding used to display the symbols in the text column */
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enum KEncoding
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{
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/** the encoding of your shell. If that is a multibyte encoding this will default to Latin1. */
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LocalEncoding=0,
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/** extended ASCII encoding, also known as Latin1 */
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ISO8859_1Encoding=1,
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/** @internal not implemented: the most common EBCDIC codepage */
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CECP1047Encoding=2,
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/** @internal enables extension without breaking binary compatibility */
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MaxEncodingId=0xFFFF
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};
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public: // set methods
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/** sets whether "unprintable" chars (value<32) should be displayed in the text column
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* with their corresponding character.
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* Default is @c false.
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* @param SU
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* @see showUnprintable()
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*/
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virtual void setShowUnprintable( bool SU = true ) = 0;
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/** sets the substitute character for "unprintable" chars
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* Default is '.'.
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* @param SC new character
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* @see substituteChar()
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*/
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virtual void setSubstituteChar( TQChar SC ) = 0;
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/** sets the encoding of the text column.
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* If the encoding is not available the format will not be changed.
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* Default is @c LocalEncoding.
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* @param C the new encoding
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* @see encoding()
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*/
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virtual void setEncoding( KEncoding C ) = 0;
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public: // get methods
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/** @return @c true if "unprintable" chars (value<32) are displayed in the text column
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* with their corresponding character, @c false otherwise
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* @see setShowUnprintable()
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*/
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virtual bool showUnprintable() const = 0;
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/** @return the currently used substitute character for "unprintable" chars.
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* @see setSubstituteChar()
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*/
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virtual TQChar substituteChar() const = 0;
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/** @return the currently used encoding
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* @see setEncoding()
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*/
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virtual KEncoding encoding() const = 0;
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};
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/** tries to get the charcolumn interface of t
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* @return a pointer to the interface, otherwise 0
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* @author Friedrich W. H. Kossebau <Friedrich.W.H@Kossebau.de>
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* @since 3.2
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*/
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template<class T>
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CharColumnInterface *charColumnInterface( T *t )
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{
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if( !t )
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return 0;
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return ::tqqt_cast<KHE::CharColumnInterface*>( t );
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}
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}
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#endif
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