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// Scintilla source code edit control
// ContractionState.h - manages visibility of lines for folding
// Copyright 1998-2001 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.
#ifndef CONTRACTIONSTATE_H
#define CONTRACTIONSTATE_H
class OneLine {
public:
int displayLine; // position within set of visible lines
int docLine; // inverse of displayLine
bool visible;
bool expanded;
OneLine();
virtual ~OneLine() {}
};
class ContractionState {
void Grow(int sizeNew);
enum { growSize = 4000 };
int linesInDoc;
int linesInDisplay;
mutable OneLine *lines;
int size;
mutable bool valid;
void MakeValid() const;
public:
ContractionState();
virtual ~ContractionState();
void Clear();
int LinesInDoc() const;
int LinesDisplayed() const;
int DisplayFromDoc(int lineDoc) const;
int DocFromDisplay(int lineDisplay) const;
void InsertLines(int lineDoc, int lineCount);
void DeleteLines(int lineDoc, int lineCount);
bool GetVisible(int lineDoc) const;
bool SetVisible(int lineDocStart, int lineDocEnd, bool visible);
bool GetExpanded(int lineDoc) const;
bool SetExpanded(int lineDoc, bool expanded);
void ShowAll();
};
#endif
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