gscrollpane.h

/*
 * File: gscrollpane.h
 * -------------------
 *
 * @author Marty Stepp
 * @version 2021/04/09
 * - added sgl namespace
 * @version 2018/09/08
 * - added doc comments for new documentation generation
 * @version 2018/09/01
 * - initial version
 */


#ifndef _gscrollpane_h
#define _gscrollpane_h

#include <string>
#include <QScrollArea>

#include "ginteractor.h"

namespace sgl {

class _Internal_QScrollArea;

class GScrollPane : public GInteractor {
public:
    enum ScrollBarPolicy {
        SCROLLBAR_AS_NEEDED,
        SCROLLBAR_ALWAYS,
        SCROLLBAR_NEVER
    };

    GScrollPane(GInteractor* interactor, QWidget* parent = nullptr);

    ~GScrollPane() override;

    virtual ScrollBarPolicy getHorizontalScrollBarPolicy() const;

    virtual ScrollBarPolicy getVerticalScrollBarPolicy() const;

    virtual GInteractor* getInteractor() const;

    /* @inherit */
    _Internal_QWidget* getInternalWidget() const override;

    /* @inherit */
    string getType() const override;

    /* @inherit */
    QWidget* getWidget() const override;

    virtual bool isInteractorStretch() const;

    virtual void setHorizontalScrollBarPolicy(ScrollBarPolicy policy);

    virtual void setScrollBarPolicy(ScrollBarPolicy policy);

    virtual void setVerticalScrollBarPolicy(ScrollBarPolicy policy);

    virtual void setInteractorStretch(bool stretch);

private:
    Q_DISABLE_COPY(GScrollPane)

    _Internal_QScrollArea* _iqscrollarea;
    GInteractor* _interactor;
    ScrollBarPolicy _horizontalScrollBarPolicy;
    ScrollBarPolicy _verticalScrollBarPolicy;

    friend class _Internal_QScrollArea;

    static Qt::ScrollBarPolicy toQtScrollBarPolicy(ScrollBarPolicy policy);
};

class _Internal_QScrollArea : public QScrollArea, public _Internal_QWidget {
    Q_OBJECT

public:
    _Internal_QScrollArea(GScrollPane* gscrollpane, QWidget* parent = nullptr);
    QSize sizeHint() const override;

// private:
    // GScrollPane* _gscrollpane;
};

} // namespace sgl

#endif // _gscrollpane_h