qtcolorline_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
 
//
//  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 QTCOLORLINE_H
#define QTCOLORLINE_H
 
#include <QtWidgets/QWidget>
 
QT_BEGIN_NAMESPACE
 
class QtColorLine : public QWidget
{
    Q_OBJECT
    Q_PROPERTY(QColor color READ color WRITE setColor)
    Q_PROPERTY(int indicatorSpace READ indicatorSpace WRITE setIndicatorSpace)
    Q_PROPERTY(int indicatorSize READ indicatorSize WRITE setIndicatorSize)
    Q_PROPERTY(bool flip READ flip WRITE setFlip)
    Q_PROPERTY(bool backgroundCheckered READ isBackgroundCheckered WRITE setBackgroundCheckered)
    Q_PROPERTY(ColorComponent colorComponent READ colorComponent WRITE setColorComponent)
    Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation)
public:
 
    enum ColorComponent {
        Red,
        Green,
        Blue,
        Hue,
        Saturation,
        Value,
        Alpha
    };
    Q_ENUM(ColorComponent)
 
    QSize minimumSizeHint() const override;
    QSize sizeHint() const override;
 
    QtColorLine(QWidget *parent = 0);
    ~QtColorLine();
 
    QColor color() const;
 
    void setIndicatorSize(int size);
    int indicatorSize() const;
 
    void setIndicatorSpace(int space);
    int indicatorSpace() const;
 
    void setFlip(bool flip);
    bool flip() const;
 
    bool isBackgroundCheckered() const;
    void setBackgroundCheckered(bool checkered);
 
    void setOrientation(Qt::Orientation orientation);
    Qt::Orientation orientation() const;
 
    void setColorComponent(ColorComponent component);
    ColorComponent colorComponent() const;
 
public slots:
    void setColor(QColor color);
 
signals:
    void colorChanged(QColor color);
 
protected:
    void resizeEvent(QResizeEvent *event) override;
    void paintEvent(QPaintEvent *event) override;
    void mousePressEvent(QMouseEvent *event) override;
    void mouseMoveEvent(QMouseEvent *event) override;
    void mouseReleaseEvent(QMouseEvent *event) override;
    void mouseDoubleClickEvent(QMouseEvent *event) override;
 
private:
    QScopedPointer<class QtColorLinePrivate> d_ptr;
    Q_DECLARE_PRIVATE(QtColorLine)
    Q_DISABLE_COPY_MOVE(QtColorLine)
};
 
QT_END_NAMESPACE
 
#endif