qtbox.h Example File | Qt Widgets 5.12.9

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- qtbox.h Example File
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# qtbox.h Example File

graphicsview/boxes/qtbox.h

     /****************************************************************************
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     ** This file is part of the demonstration applications of the Qt Toolkit.
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     #ifndef QTBOX_H
     #define QTBOX_H

     #include <QtWidgets>

     #include <QtGui/qvector3d.h>
     #include "glbuffers.h"

     class ItemBase : public QGraphicsItem
     {
     public:
         enum { Type = UserType + 1 };

         ItemBase(int size, int x, int y);
         virtual ~ItemBase();
         QRectF boundingRect() const override;
         void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
     protected:
         virtual ItemBase *createNew(int size, int x, int y) = 0;
         void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) override;
         void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
         void hoverMoveEvent(QGraphicsSceneHoverEvent *event) override;
         void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
         void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
         void keyPressEvent(QKeyEvent *event) override;
         void wheelEvent(QGraphicsSceneWheelEvent *event) override;
         int type() const override;
         bool isInResizeArea(const QPointF &pos);

         static void duplicateSelectedItems(QGraphicsScene *scene);
         static void deleteSelectedItems(QGraphicsScene *scene);
         static void growSelectedItems(QGraphicsScene *scene);
         static void shrinkSelectedItems(QGraphicsScene *scene);

         int m_size;
         QTime m_startTime;
         bool m_isResizing;
     };

     class QtBox : public ItemBase
     {
     public:
         QtBox(int size, int x, int y);
         virtual ~QtBox();
         void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
     protected:
         ItemBase *createNew(int size, int x, int y) override;
     private:
         QVector3D m_vertices[8];
         QVector3D m_texCoords[4];
         QVector3D m_normals[6];
         GLTexture *m_texture;
     };

     class CircleItem : public ItemBase
     {
     public:
         CircleItem(int size, int x, int y);
         void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
     protected:
         ItemBase *createNew(int size, int x, int y) override;

         QColor m_color;
     };

     class SquareItem : public ItemBase
     {
     public:
         SquareItem(int size, int x, int y);
         void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
     protected:
         ItemBase *createNew(int size, int x, int y) override;

         QPixmap m_image;
     };

     #endif