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50 
51 #ifndef QTBOX_H
52 #define QTBOX_H
53 
54 #include "glbuffers.h"
55 
56 #include <QtWidgets>
57 #include <QVector3D>
58 
59 class ItemBase : public QGraphicsItem
60 {
61 public:
62     enum { Type = UserType + 1 };
63 
64     ItemBase(int size, int x, int y);
65     QRectF boundingRect() const override;
66     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
67 protected:
68     virtual ItemBase *createNew(int size, int x, int y) = 0;
69     void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) override;
70     void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
71     void hoverMoveEvent(QGraphicsSceneHoverEvent *event) override;
72     void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
73     void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
74     void keyPressEvent(QKeyEvent *event) override;
75     void wheelEvent(QGraphicsSceneWheelEvent *event) override;
76     int type() const override;
77     bool isInResizeArea(const QPointF &pos);
78 
79     static void duplicateSelectedItems(QGraphicsScene *scene);
80     static void deleteSelectedItems(QGraphicsScene *scene);
81     static void growSelectedItems(QGraphicsScene *scene);
82     static void shrinkSelectedItems(QGraphicsScene *scene);
83 
84     int m_size;
85     QTime m_startTime;
86     bool m_isResizing = false;
87 };
88 
89 class QtBox : public ItemBase
90 {
91 public:
92     QtBox(int size, int x, int y);
93     virtual ~QtBox();
94     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
95 protected:
96     ItemBase *createNew(int size, int x, int y) override;
97 private:
98     QVector3D m_vertices[8];
99     QVector3D m_texCoords[4];
100     QVector3D m_normals[6];
101     GLTexture *m_texture = nullptr;
102 };
103 
104 class CircleItem : public ItemBase
105 {
106 public:
107     CircleItem(int size, int x, int y);
108     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
109 protected:
110     ItemBase *createNew(int size, int x, int y) override;
111 
112     QColor m_color;
113 };
114 
115 class SquareItem : public ItemBase
116 {
117 public:
118     SquareItem(int size, int x, int y);
119     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
120 protected:
121     ItemBase *createNew(int size, int x, int y) override;
122 
123     QPixmap m_image;
124 };
125 
126 #endif
127