File indexing completed on 2024-12-08 06:28:03

 /*
     ElementItem - Element Item, part of the Periodic Table Graphics View for
     Kalzium
 
     SPDX-FileCopyrightText: 2007-2009 Marcus D. Hanwell <marcus@cryos.org>
     SPDX-FileCopyrightText: 2010 Etienne Rebetez <etienne.rebetez@oberwallis.ch>
 
     This file is part of the Avogadro molecular editor project.
     For more information, see <https://avogadro.cc/>
 
     SPDX-License-Identifier: LGPL-2.1-or-later
 */
 
 #ifndef ELEMENTITEM_H
 #define ELEMENTITEM_H
 
 #include <QGraphicsItem>
 
 #include "kalziumdataobject.h"
 #include "kalziumelementproperty.h"
 #include <chemicaldataobject.h>
 
 /**
  * @class ElementItem
  * @author Marcus D. Hanwell, Etienne Rebetez
  * @brief An element item, intended to display a single element.
  *
  * This class implements a QGraphicsItem for displaying single elements in a
  * perdiodic table. It currently allows the setting of the proton number.
  * All other information come frome the kalziumElementProperty class.
  */
 class ElementItem : public QGraphicsObject
 {
     Q_OBJECT
 
 public:
     /**
      * Constructor. Should be called with the element number for this item. The
      * constructor uses setData to set the element number using the key 0. This
      * is then used by PeriodicTable to figure out which element was clicked on.
      */
     explicit ElementItem(KalziumElementProperty *property, int elementNumber = 0);
 
     /**
      * Destructor.
      */
     ~ElementItem() override;
 
     /**
      * @return the bounding rectangle of the element item.
      */
     QRectF boundingRect() const override;
 
     /**
      * @return the painter path which is also a rectangle in this case.
      */
     QPainterPath shape() const override;
 
     /**
      * This is where most of the action takes place. The element box is drawn
      * along with its symbol.
      */
     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
 
 public Q_SLOTS:
     void redraw();
 
 private:
     QString getCurrentElementValue();
 
     /**
      * Width of the elements.
      */
     int m_width;
 
     /**
      * Height of the elements.
      */
     int m_height;
 
     /**
      * The proton number of the item - all other attributes are derived from this.
      */
     int m_element;
 
     /**
      * The element numbers symbol.
      */
     QString m_symbol;
 
     /**
      * The color of the element which will also be used as the background color
      * for the item box.
      */
     QBrush m_brush;
 
     QColor m_textColor;
 
     QColor m_borderColor;
 
     QString m_textValue;
 
     KalziumElementProperty *m_property;
 
     bool m_hovered = false;
 
 protected:
     void hoverEnterEvent(QGraphicsSceneHoverEvent *event) override;
     void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) override;
 };
 
 #endif // ELEMENTITEM_H