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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"
class InteractionCanvas : public QLabel
{
public:
InteractionCanvas();
~InteractionCanvas();
// QWidget interface
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);
QList<Line> m_Lines;
Line *m_NewLine;
Line *m_SelectedLine;
QPoint m_MousePressPoint;
QPoint m_MouseReleasePoint;
QPoint m_LastMousePosition;
// QWidget interface
protected:
void paintEvent(QPaintEvent *paintEvent);
};
#endif // INTERACTIONCANVAS_H
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