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