SDWidget.h

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#ifndef BALL_VIEW_WIDGETS_SDWIDGET_H
#define BALL_VIEW_WIDGETS_SDWIDGET_H

#ifndef BALL_COMMON_GLOBAL_H
# include <BALL/COMMON/global.h>
#endif

#ifndef BALL_DATATYPE_OPTIONS_H
# include <BALL/DATATYPE/options.h>
#endif

#include <BALL/KERNEL/system.h>

#include <QtGui/QWidget>

namespace BALL
{
  namespace VIEW
  {

    class BALL_VIEW_EXPORT SDWidget 
      : public QWidget
    {
      Q_OBJECT

      public:
    
        struct BALL_VIEW_EXPORT Option
        {   
          static const char* SHOW_HYDROGENS;
        };

        struct BALL_VIEW_EXPORT Default
        {
          static const bool SHOW_HYDROGENS;
        };
      

        SDWidget(QWidget *parent = 0, bool show_hydrogens = false);

        SDWidget(const System& system, QWidget *parent = 0);
  
        virtual ~SDWidget();

        Options options;

        void setDefaultOptions();

        void plot(const System& system, bool create_sd = true);

        System& getSystem() {return system_;};
        
        const System& getSystem() const {return system_;};

        void setSystem(const System& system) {system_ = system;};

        void clear();

        QSize sizeHint() const;

      protected slots:
        void exportImage_();

      protected:
        void setup_();
        void paintEvent(QPaintEvent *event);

        void renderSD_(QPaintDevice* paint_device);
        void drawFrame_();

        QPointF getEndpoint_(QRectF& character_boundary, QPointF from, QPointF to, bool character_is_from);
        System system_;

        bool resize_to_parent_;

        Vector3 upper_;
        Vector3 lower_;
    };

  }
}

#endif