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131 lines
5.0 KiB
131 lines
5.0 KiB
/***************************************************************************
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kbufferranges.h - description
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-------------------
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begin : Sun Jun 22 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 KHE_KBUFFERRANGES_H
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#define KHE_KBUFFERRANGES_H
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// lib specific
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#include "kbufferlayout.h"
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#include "tdeselection.h"
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#include "ksectionlist.h"
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#include "kcoordrangelist.h"
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namespace KHE
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{
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/** a class to control all the ranges like marking and selections
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* holds also all modified ranges and merges them so a repaint can take its info from here
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*
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* @author Friedrich W. H. Kossebau
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*/
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class TDEBufferRanges
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{
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public:
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TDEBufferRanges( TDEBufferLayout *L );
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~TDEBufferRanges();
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public: // modifcation access
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void setMarking( KSection M );
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void setSelectionStart( int StartIndex );
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void setSelectionEnd( int StartIndex );
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void setSelection( KSection S );
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/** */
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void setFirstWordSelection( KSection S );
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/** */
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void ensureWordSelectionForward( bool Forward );
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/** removes marking and returns true if something changed */
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void removeMarking();
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/** removes selection with id and returns true if something changed */
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void removeSelection( int id = 0 );
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/** removes all but the standard selection and returns true if something changed */
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void removeFurtherSelections();
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void addChangedRange( KSection S );
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void addChangedRange( int SI, int EI );
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void addChangedRange( const KCoordRange &NewRange );
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void resetChangedRanges();
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void setModified( bool M = true );
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/** removes all ranges */
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void reset();
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public: // value access
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int noOfSelections() const;
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int selectionStart() const;
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int selectionEnd() const;
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KSection selection() const;
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KSection firstWordSelection() const;
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int selectionLength() const;
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bool isModified() const;
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public: // calculated logic access
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bool hasSelection() const;
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bool hasMarking() const;
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bool selectionStarted() const;
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bool selectionJustStarted() const;
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bool hasFirstWordSelection() const;
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bool selectionIncludes( int Index ) const;
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bool markingIncludes( int Index ) const;
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// TODO: next three are deprecated
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bool overlapsSelection( int FirstIndex, int LastIndex, int *SI, int *EI ) const;
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bool overlapsMarking( int FirstIndex, int LastIndex, int *SI, int *EI ) const;
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// bool overlapsChanges( int FirstIndex, int LastIndex, int *SI, int *EI ) const;
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// bool overlapsChanges( KSection Indizes, KSection *ChangedRange ) const;
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bool overlapsChanges( const KCoordRange &Range, KCoordRange *ChangedRange ) const;
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const KSection *firstOverlappingSelection( KSection Range ) const;
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const KSection *overlappingMarking( KSection Range ) const;
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protected:
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/** true if something changed */
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bool Modified;
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KSection Marking;
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TDESelection Selection;
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/** memories first selected word on wordwise selection */
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KSection FirstWordSelection;
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KCoordRangeList ChangedRanges;
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TDEBufferLayout *Layout;
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};
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inline int TDEBufferRanges::noOfSelections() const { return 1; }
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inline int TDEBufferRanges::selectionStart() const { return Selection.start(); }
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inline int TDEBufferRanges::selectionEnd() const { return Selection.end(); }
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inline KSection TDEBufferRanges::selection() const { return Selection; }
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inline KSection TDEBufferRanges::firstWordSelection() const { return FirstWordSelection; }
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inline int TDEBufferRanges::selectionLength() const { return Selection.width(); }
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inline bool TDEBufferRanges::isModified() const { return Modified; }
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inline bool TDEBufferRanges::hasSelection() const { return Selection.isValid(); }
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inline bool TDEBufferRanges::selectionStarted() const { return Selection.started(); }
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inline bool TDEBufferRanges::selectionJustStarted() const { return Selection.justStarted(); }
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inline bool TDEBufferRanges::hasFirstWordSelection() const { return FirstWordSelection.isValid(); }
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inline bool TDEBufferRanges::hasMarking() const { return Marking.isValid(); }
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inline bool TDEBufferRanges::selectionIncludes( int Index ) const { return Selection.includes( Index ); }
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inline bool TDEBufferRanges::markingIncludes( int Index ) const { return Marking.includes( Index ); }
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inline void TDEBufferRanges::setModified( bool M ) { Modified = M; }
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}
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#endif
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