qrubberband.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QRUBBERBAND_H
#define QRUBBERBAND_H
 
#include <QtWidgets/qtwidgetsglobal.h>
#include <QtWidgets/qwidget.h>
 
QT_REQUIRE_CONFIG(rubberband);
 
QT_BEGIN_NAMESPACE
 
class QRubberBandPrivate;
class QStyleOptionRubberBand;
 
class Q_WIDGETS_EXPORT QRubberBand : public QWidget
{
    Q_OBJECT
 
public:
    enum Shape { Line, Rectangle };
    explicit QRubberBand(Shape, QWidget * = nullptr);
    ~QRubberBand();
 
    Shape shape() const;
 
    void setGeometry(const QRect &r);
 
    inline void setGeometry(int x, int y, int w, int h);
    inline void move(int x, int y);
    inline void move(const QPoint &p)
    { move(p.x(), p.y()); }
    inline void resize(int w, int h)
    { setGeometry(geometry().x(), geometry().y(), w, h); }
    inline void resize(const QSize &s)
    { resize(s.width(), s.height()); }
 
protected:
    bool event(QEvent *e) override;
    void paintEvent(QPaintEvent *) override;
    void changeEvent(QEvent *) override;
    void showEvent(QShowEvent *) override;
    void resizeEvent(QResizeEvent *) override;
    void moveEvent(QMoveEvent *) override;
    virtual void initStyleOption(QStyleOptionRubberBand *option) const;
 
private:
    Q_DECLARE_PRIVATE(QRubberBand)
};
 
inline void QRubberBand::setGeometry(int ax, int ay, int aw, int ah)
{ setGeometry(QRect(ax, ay, aw, ah)); }
inline void QRubberBand::move(int ax, int ay)
{ setGeometry(ax, ay, width(), height()); }
 
QT_END_NAMESPACE
 
#endif // QRUBBERBAND_H