color_preview.hpp

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#ifndef COLOR_PREVIEW_HPP
#define COLOR_PREVIEW_HPP

#include "colorpicker_global.hpp"

#include <QWidget>

// fixed for Qt 5.8

class QCP_EXPORT Color_Preview : public QWidget {
    Q_OBJECT
    Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged DESIGNABLE true)
    Q_PROPERTY(QColor comparisonColor READ comparisonColor WRITE setComparisonColor DESIGNABLE true)
    Q_PROPERTY(Display_Mode display_mode READ displayMode WRITE setDisplayMode DESIGNABLE true)
    Q_PROPERTY(QBrush background READ background WRITE setBackground DESIGNABLE true)

public:
    typedef enum {
        NoAlpha, 
        AllAlpha, 
        SplitAlpha, 
        SplitColor 
    } Display_Mode;

    Q_ENUM(Color_Preview::Display_Mode)

    explicit Color_Preview(QWidget* parent = 0);
    ~Color_Preview();

    QBrush background() const;

    void setBackground(const QBrush& bk);

    Display_Mode displayMode() const;

    void setDisplayMode(Display_Mode dm);

    QColor color() const;

    QColor comparisonColor() const;

    QSize sizeHint() const;

    void paint(QPainter& painter, QRect rect) const;

public slots:
    void setColor(const QColor& c);

    void setComparisonColor(const QColor& c);

signals:
    void clicked();

    void colorChanged(QColor);

protected:
    void paintEvent(QPaintEvent*);
    void resizeEvent(QResizeEvent*);
    void mouseReleaseEvent(QMouseEvent* ev);
    void mouseMoveEvent(QMouseEvent* ev);

private:
    class Private;
    Private* const p;
};

#endif // COLOR_PREVIEW_HPP