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65 lines
1.5 KiB
65 lines
1.5 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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