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** This file is part of Qt Creator.
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** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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#ifndef CPPEDITOROUTLINE_H
#define CPPEDITOROUTLINE_H

#include "cpptools_global.h"

#include <QModelIndex>
#include <QObject>

QT_BEGIN_NAMESPACE
class QAction;
class QSortFilterProxyModel;
class QTimer;
QT_END_NAMESPACE

namespace CPlusPlus { class OverviewModel; }
namespace TextEditor { class TextEditorWidget; }
namespace Utils { class TreeViewComboBox; }

namespace CppTools {

class CPPTOOLS_EXPORT CppEditorOutline : public QObject
{
    Q_OBJECT

public:
    explicit CppEditorOutline(TextEditor::TextEditorWidget *editorWidget);

    void update();

    CPlusPlus::OverviewModel *model() const;
    QModelIndex modelIndex();

    QWidget *widget() const; // Must be deleted by client.

signals:
    void modelIndexChanged(const QModelIndex &index);

public slots:
    void updateIndex();
    void setSorted(bool sort);

private slots:
    void updateNow();
    void updateIndexNow();
    void updateToolTip();
    void gotoSymbolInEditor();

private:
    CppEditorOutline();

    bool isSorted() const;
    QModelIndex indexForPosition(int line, int column,
                                 const QModelIndex &rootIndex = QModelIndex()) const;

private:
    TextEditor::TextEditorWidget *m_editorWidget;

    Utils::TreeViewComboBox *m_combo; // Not owned
    CPlusPlus::OverviewModel *m_model;
    QSortFilterProxyModel *m_proxyModel;
    QModelIndex m_modelIndex;
    QAction *m_sortAction;
    QTimer *m_updateTimer;
    QTimer *m_updateIndexTimer;
};

} // namespace CppTools

#endif // CPPEDITOROUTLINE_H