colorbutton.h

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#ifndef OPENSWMMVIS_UI_WIDGETS_COLORBUTTON_H
#define OPENSWMMVIS_UI_WIDGETS_COLORBUTTON_H
 
#include <QColor>
#include <QPushButton>
 
namespace openswmmvis::ui {
 
class ColorButton : public QPushButton
{
    Q_OBJECT
    Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged)
public:
    explicit ColorButton(QWidget *parent = nullptr);
    explicit ColorButton(const QColor &initial, QWidget *parent = nullptr);
 
    [[nodiscard]] QColor color() const { return m_color; }
    void setColor(const QColor &c);
 
    [[nodiscard]] bool showsAlpha() const { return m_showAlpha; }
    void setShowAlpha(bool v) { m_showAlpha = v; }
 
signals:
    void colorChanged(const QColor &c);
 
protected:
    void paintEvent(QPaintEvent *event) override;
 
private slots:
    void onClicked();
 
private:
    QColor m_color = Qt::black;
    bool   m_showAlpha = true;
};
 
} // namespace openswmmvis::ui
 
#endif // OPENSWMMVIS_UI_WIDGETS_COLORBUTTON_H