qtbox.h Example File
graphicsview/boxes/qtbox.h
#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