| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QTGRADIENTWIDGET_H |
| 5 | #define QTGRADIENTWIDGET_H |
| 6 | |
| 7 | #include <QtWidgets/QWidget> |
| 8 | |
| 9 | QT_BEGIN_NAMESPACE |
| 10 | |
| 11 | class QtGradientWidget : public QWidget |
| 12 | { |
| 13 | Q_OBJECT |
| 14 | Q_PROPERTY(bool backgroundCheckered READ isBackgroundCheckered WRITE setBackgroundCheckered) |
| 15 | public: |
| 16 | QtGradientWidget(QWidget *parent = 0); |
| 17 | ~QtGradientWidget(); |
| 18 | |
| 19 | QSize minimumSizeHint() const override; |
| 20 | QSize sizeHint() const override; |
| 21 | int heightForWidth(int w) const override; |
| 22 | |
| 23 | bool isBackgroundCheckered() const; |
| 24 | void setBackgroundCheckered(bool checkered); |
| 25 | |
| 26 | QGradientStops gradientStops() const; |
| 27 | |
| 28 | void setGradientType(QGradient::Type type); |
| 29 | QGradient::Type gradientType() const; |
| 30 | |
| 31 | void setGradientSpread(QGradient::Spread spread); |
| 32 | QGradient::Spread gradientSpread() const; |
| 33 | |
| 34 | void setStartLinear(const QPointF &point); |
| 35 | QPointF startLinear() const; |
| 36 | |
| 37 | void setEndLinear(const QPointF &point); |
| 38 | QPointF endLinear() const; |
| 39 | |
| 40 | void setCentralRadial(const QPointF &point); |
| 41 | QPointF centralRadial() const; |
| 42 | |
| 43 | void setFocalRadial(const QPointF &point); |
| 44 | QPointF focalRadial() const; |
| 45 | |
| 46 | void setRadiusRadial(qreal radius); |
| 47 | qreal radiusRadial() const; |
| 48 | |
| 49 | void setCentralConical(const QPointF &point); |
| 50 | QPointF centralConical() const; |
| 51 | |
| 52 | void setAngleConical(qreal angle); |
| 53 | qreal angleConical() const; |
| 54 | |
| 55 | public slots: |
| 56 | void setGradientStops(const QGradientStops &stops); |
| 57 | |
| 58 | signals: |
| 59 | |
| 60 | void startLinearChanged(const QPointF &point); |
| 61 | void endLinearChanged(const QPointF &point); |
| 62 | void centralRadialChanged(const QPointF &point); |
| 63 | void focalRadialChanged(const QPointF &point); |
| 64 | void radiusRadialChanged(qreal radius); |
| 65 | void centralConicalChanged(const QPointF &point); |
| 66 | void angleConicalChanged(qreal angle); |
| 67 | |
| 68 | protected: |
| 69 | void paintEvent(QPaintEvent *e) override; |
| 70 | void mousePressEvent(QMouseEvent *e) override; |
| 71 | void mouseReleaseEvent(QMouseEvent *e) override; |
| 72 | void mouseMoveEvent(QMouseEvent *e) override; |
| 73 | void mouseDoubleClickEvent(QMouseEvent *e) override; |
| 74 | |
| 75 | private: |
| 76 | QScopedPointer<class QtGradientWidgetPrivate> d_ptr; |
| 77 | Q_DECLARE_PRIVATE(QtGradientWidget) |
| 78 | Q_DISABLE_COPY_MOVE(QtGradientWidget) |
| 79 | }; |
| 80 | |
| 81 | QT_END_NAMESPACE |
| 82 | |
| 83 | #endif |
| 84 |