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// Scintilla source code edit control
/** @file ContractionState.h
** Manages visibility of lines for folding and wrapping.
**/
// Copyright 1998-2007 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
namespace Scintilla {
/**
*/
class IContractionState {
public:
virtual ~IContractionState() {};
virtual void Clear()=0;
virtual Sci::Line LinesInDoc() const noexcept=0;
virtual Sci::Line LinesDisplayed() const noexcept=0;
virtual Sci::Line DisplayFromDoc(Sci::Line lineDoc) const noexcept=0;
virtual Sci::Line DisplayLastFromDoc(Sci::Line lineDoc) const noexcept=0;
virtual Sci::Line DocFromDisplay(Sci::Line lineDisplay) const noexcept=0;
virtual void InsertLines(Sci::Line lineDoc, Sci::Line lineCount)=0;
virtual void DeleteLines(Sci::Line lineDoc, Sci::Line lineCount)=0;
virtual bool GetVisible(Sci::Line lineDoc) const noexcept=0;
virtual bool SetVisible(Sci::Line lineDocStart, Sci::Line lineDocEnd, bool isVisible)=0;
virtual bool HiddenLines() const noexcept=0;
virtual const char *GetFoldDisplayText(Sci::Line lineDoc) const noexcept=0;
virtual bool SetFoldDisplayText(Sci::Line lineDoc, const char *text)=0;
virtual bool GetExpanded(Sci::Line lineDoc) const noexcept=0;
virtual bool SetExpanded(Sci::Line lineDoc, bool isExpanded)=0;
virtual Sci::Line ContractedNext(Sci::Line lineDocStart) const noexcept =0;
virtual int GetHeight(Sci::Line lineDoc) const noexcept=0;
virtual bool SetHeight(Sci::Line lineDoc, int height)=0;
virtual void ShowAll() noexcept=0;
};
std::unique_ptr<IContractionState> ContractionStateCreate(bool largeDocument);
}
#endif
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