#include <qwidget.h> class ColorBar: public QWidget { Q_OBJECT public: ColorBar(Qt::Orientation = Qt::Horizontal, QWidget * = NULL); virtual void setOrientation(Qt::Orientation o); Qt::Orientation orientation() const { return d_orientation; } void setRange(const QColor &light, const QColor &dark); void setLight(const QColor &light); void setDark(const QColor &dark); QColor light() const { return d_light; } QColor dark() const { return d_dark; } Q_SIGNALS: void selected(const QColor &); protected: virtual void mousePressEvent(QMouseEvent *); virtual void paintEvent(QPaintEvent *); void drawColorBar(QPainter *, const QRect &) const; private: Qt::Orientation d_orientation; QColor d_light; QColor d_dark; };