ColorPicker.h

#ifndef COLORPICKER_H
#define COLORPICKER_H
 
#include <QWidget>
 
class QPushButton;
 
class ColorPicker : public QWidget {
    Q_OBJECT
public:
    explicit ColorPicker(QWidget* parent = nullptr);
 
    QColor color() const;
 
    void setColor(const QColor& color);
 
signals:
    void colorChanged(const QColor& color);
 
private slots:
    void openColorDialog();
 
protected:
    void paintEvent(QPaintEvent* event) override;
 
private:
    QPushButton* chooseButton; 
    QColor currentColor; 
    void updateStyle();
};
 
#endif // COLORPICKER_H