class QgsComposerRuler : QWidget
{
%TypeHeaderCode
#include <qgscomposerruler.h>
%End
  public:
    enum Direction
    {
      Horizontal,
      Vertical
    };

    QgsComposerRuler( Direction d );
    ~QgsComposerRuler();

    QSize minimumSizeHint() const;

    void setSceneTransform( const QTransform &transform );
    void updateMarker( QPointF pos );

    void setComposition( QgsComposition *c );
    QgsComposition *composition();

    int rulerSize();

  protected:
    void paintEvent( QPaintEvent *event );
    void mouseMoveEvent( QMouseEvent *event );
    void mouseReleaseEvent( QMouseEvent *event );
    void mousePressEvent( QMouseEvent *event );

  signals:
    /** Is emitted when mouse cursor coordinates change*/
    void cursorPosChanged( QPointF );
};