qtgradientwidget_p.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

// Qt-Security score:significant reason:default

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API. It exists for the convenience

// of Qt Designer. This header file may change from version to version

// without notice, or even be removed.

//

// We mean it.

//

#ifndef QTGRADIENTWIDGET_H

#define QTGRADIENTWIDGET_H

#include <QtWidgets/qwidget.h>

QT_BEGIN_NAMESPACE

class QtGradientWidget : public QWidget

    Q_OBJECT

    Q_PROPERTY(bool backgroundCheckered READ isBackgroundCheckered WRITE setBackgroundCheckered)

public:

    explicit QtGradientWidget(QWidget *parent = nullptr);

    ~QtGradientWidget() override;

    QSize minimumSizeHint() const override;

    QSize sizeHint() const override;

    int heightForWidth(int w) const override;

    bool isBackgroundCheckered() const;

    void setBackgroundCheckered(bool checkered);

    QGradientStops gradientStops() const;

    void setGradientType(QGradient::Type type);

    QGradient::Type gradientType() const;

    void setGradientSpread(QGradient::Spread spread);

    QGradient::Spread gradientSpread() const;

    void setStartLinear(QPointF point);

    QPointF startLinear() const;

    void setEndLinear(QPointF point);

    QPointF endLinear() const;

    void setCentralRadial(QPointF point);

    QPointF centralRadial() const;

    void setFocalRadial(QPointF point);

    QPointF focalRadial() const;

    void setRadiusRadial(qreal radius);

    qreal radiusRadial() const;

    void setCentralConical(QPointF point);

    QPointF centralConical() const;

    void setAngleConical(qreal angle);

    qreal angleConical() const;

public slots:

    void setGradientStops(const QGradientStops &stops);

signals:

    void startLinearChanged(const QPointF &point);

    void endLinearChanged(const QPointF &point);

    void centralRadialChanged(const QPointF &point);

    void focalRadialChanged(const QPointF &point);

    void radiusRadialChanged(qreal radius);

    void centralConicalChanged(const QPointF &point);

    void angleConicalChanged(qreal angle);

protected:

    void paintEvent(QPaintEvent *e) override;

    void mousePressEvent(QMouseEvent *e) override;

    void mouseReleaseEvent(QMouseEvent *e) override;

    void mouseMoveEvent(QMouseEvent *e) override;

    void mouseDoubleClickEvent(QMouseEvent *e) override;

private:

    QScopedPointer<class QtGradientWidgetPrivate> d_ptr;

    Q_DECLARE_PRIVATE(QtGradientWidget)

    Q_DISABLE_COPY_MOVE(QtGradientWidget)

};

QT_END_NAMESPACE

#endif