/** @file Decoration.h
 ** Visual elements added over text.
 **/
// Copyright 1998-2007 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.

#ifndef DECORATION_H
#define DECORATION_H

#ifdef SCI_NAMESPACE
namespace Scintilla {
#endif

class Decoration {
public:
    Decoration *next;
    RunStyles rs;
    int indicator;

    Decoration(int indicator_);
    ~Decoration();

    bool Empty();
};

class DecorationList {
    int currentIndicator;
    int currentValue;
    Decoration *current;
    int lengthDocument;
    Decoration *DecorationFromIndicator(int indicator);
    Decoration *Create(int indicator, int length);
    void Delete(int indicator);
    void DeleteAnyEmpty();
public:
    Decoration *root;
    bool clickNotified;

    DecorationList();
    ~DecorationList();

    void SetCurrentIndicator(int indicator);
    int GetCurrentIndicator() const { return currentIndicator; }

    void SetCurrentValue(int value);
    int GetCurrentValue() const { return currentValue; }

    // Returns true if some values may have changed
    bool FillRange(int &position, int value, int &fillLength);

    void InsertSpace(int position, int insertLength);
    void DeleteRange(int position, int deleteLength);

    int AllOnFor(int position);
    int ValueAt(int indicator, int position);
    int Start(int indicator, int position);
    int End(int indicator, int position);
};

#ifdef SCI_NAMESPACE
}
#endif

#endif
