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#ifndef INTERACTIONCANVAS_H
#define INTERACTIONCANVAS_H
#include <QLabel>
#include <QDebug>
#include <QMouseEvent>
#include <QList>
#include <QPoint>
#include <QPainter>
#include "line.h"
#include "rectangle.h"
#include "ellipse.h"
#include "polygon.h"
class InteractionCanvas : public QLabel
{
public:
InteractionCanvas(QWidget *parent);
~InteractionCanvas();
void addLine();
void addRectangle();
void addEllipse();
void addPolygon();
//QDom methods
void read(QFile *file);
void write(QFile *file);
protected:
void mouseMoveEvent(QMouseEvent *mouseEvent);
void mousePressEvent(QMouseEvent *mouseEvent);
void mouseReleaseEvent(QMouseEvent *mouseEvent);
void keyPressEvent(QKeyEvent *keyEvent);
void keyReleaseEvent(QKeyEvent *keyEvent);
private:
void changeSelectedLine(Line *newSelectedLine);
void addNewLine(Line *newLine);
void clearLines();
QList<Line *> m_Lines;
Line *m_NewLine;
Line *m_SelectedLine;
QPoint m_MousePressPoint;
QPoint m_MouseReleasePoint;
QPoint m_LastMousePosition;
QDomDocument m_fileName;
protected:
void paintEvent(QPaintEvent *paintEvent);
};
#endif // INTERACTIONCANVAS_H
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