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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 QTGRADIENTWIDGET_H
#define QTGRADIENTWIDGET_H
#include <QtWidgets/QWidget>
QT_BEGIN_NAMESPACE
class QtGradientWidget : public QWidget
{
Q_OBJECT
Q_PROPERTY(bool backgroundCheckered READ isBackgroundCheckered WRITE setBackgroundCheckered)
public:
QtGradientWidget(QWidget *parent = 0);
~QtGradientWidget();
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(const QPointF &point);
QPointF startLinear() const;
void setEndLinear(const QPointF &point);
QPointF endLinear() const;
void setCentralRadial(const QPointF &point);
QPointF centralRadial() const;
void setFocalRadial(const QPointF &point);
QPointF focalRadial() const;
void setRadiusRadial(qreal radius);
qreal radiusRadial() const;
void setCentralConical(const 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
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