ax1.h Example File

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  #ifndef AX1_H
  #define AX1_H

  #include <QWidget>
  #include <QPainter>

  class QAxWidget1 : public QWidget
  {
      Q_OBJECT
      Q_CLASSINFO("ClassID", "{1D9928BD-4453-4bdd-903D-E525ED17FDE5}")
      Q_CLASSINFO("InterfaceID", "{99F6860E-2C5A-42ec-87F2-43396F4BE389}")
      Q_CLASSINFO("EventsID", "{0A3E9F27-E4F1-45bb-9E47-63099BCCD0E3}")

      Q_PROPERTY(QColor fillColor READ fillColor WRITE setFillColor)
  public:
      QAxWidget1(QWidget *parent = 0)
          : QWidget(parent), fill_color(Qt::red)
      {
      }

      QColor fillColor() const
      {
          return fill_color;
      }
      void setFillColor(const QColor &fc)
      {
          fill_color = fc;
          repaint();
      }

  protected:
      void paintEvent(QPaintEvent *e)
      {
          QPainter paint(this);
          QRect r = rect();
          r.adjust(10, 10, -10, -10);
          paint.fillRect(r, fill_color);
      }

  private:
      QColor fill_color;
  };

  #endif // AX1_H