colorbutton.h

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#ifndef WIDGETS_COLORBUTTON_H
#define WIDGETS_COLORBUTTON_H
 
#include "../global.h"
 
#include <QToolButton>
 
namespace QtUtilities {

class QT_UTILITIES_EXPORT ColorButton : public QToolButton {
    Q_OBJECT
    Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged)
    Q_PROPERTY(bool backgroundCheckered READ isBackgroundCheckered WRITE setBackgroundCheckered)
public:
    ColorButton(QWidget *parent = nullptr);
    ~ColorButton() override;
 
    bool isBackgroundCheckered() const;
    void setBackgroundCheckered(bool checkered);
 
    QColor color() const;
 
public Q_SLOTS:
    void setColor(const QColor &color);
 
Q_SIGNALS:
    void colorChanged(const QColor &color);
 
protected:
    void paintEvent(QPaintEvent *event) override;
    void mousePressEvent(QMouseEvent *event) override;
    void mouseMoveEvent(QMouseEvent *event) override;
#ifndef QT_NO_DRAGANDDROP
    void dragEnterEvent(QDragEnterEvent *event) override;
    void dragLeaveEvent(QDragLeaveEvent *event) override;
    void dropEvent(QDropEvent *event) override;
#endif
 
private:
    QScopedPointer<class ColorButtonPrivate> d_ptr;
    Q_DECLARE_PRIVATE(ColorButton)
    Q_DISABLE_COPY(ColorButton)
    Q_PRIVATE_SLOT(d_func(), void slotEditColor())
};
} // namespace QtUtilities
 
#endif // WIDGETS_COLORBUTTON_H