qtbox.h Example File

graphicsview/boxes/qtbox.h
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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