demos/boxes/qtbox.h

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  41
  42 #ifndef QTBOX_H
  43 #define QTBOX_H
  44
  45 #include <QtGui>
  46
  47 #include <QtGui/qvector3d.h>
  48 #include "glbuffers.h"
  49
  50 class ItemBase : public QGraphicsItem
  51 {
  52 public:
  53     enum { Type = UserType + 1 };
  54
  55     ItemBase(int size, int x, int y);
  56     virtual ~ItemBase();
  57     virtual QRectF boundingRect() const;
  58     virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
  59 protected:
  60     virtual ItemBase *createNew(int size, int x, int y) = 0;
  61     virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
  62     virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
  63     virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
  64     virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
  65     virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
  66     virtual void keyPressEvent(QKeyEvent *event);
  67     virtual void wheelEvent(QGraphicsSceneWheelEvent *event);
  68     virtual int type() const;
  69     bool isInResizeArea(const QPointF &pos);
  70
  71     static void duplicateSelectedItems(QGraphicsScene *scene);
  72     static void deleteSelectedItems(QGraphicsScene *scene);
  73     static void growSelectedItems(QGraphicsScene *scene);
  74     static void shrinkSelectedItems(QGraphicsScene *scene);
  75
  76     int m_size;
  77     QTime m_startTime;
  78     bool m_isResizing;
  79 };
  80
  81 class QtBox : public ItemBase
  82 {
  83 public:
  84     QtBox(int size, int x, int y);
  85     virtual ~QtBox();
  86     virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
  87 protected:
  88     virtual ItemBase *createNew(int size, int x, int y);
  89 private:
  90     QVector3D m_vertices[8];
  91     QVector3D m_texCoords[4];
  92     QVector3D m_normals[6];
  93     GLTexture *m_texture;
  94 };
  95
  96 class CircleItem : public ItemBase
  97 {
  98 public:
  99     CircleItem(int size, int x, int y);
 100     virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
 101 protected:
 102     virtual ItemBase *createNew(int size, int x, int y);
 103
 104     QColor m_color;
 105 };
 106
 107 class SquareItem : public ItemBase
 108 {
 109 public:
 110     SquareItem(int size, int x, int y);
 111     virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
 112 protected:
 113     virtual ItemBase *createNew(int size, int x, int y);
 114
 115     QPixmap m_image;
 116 };
 117
 118 #endif