mirror of https://github.com/CGAL/cgal
52 lines
1.0 KiB
C++
52 lines
1.0 KiB
C++
#ifndef CGAL_QT_GRAPHICS_VIEW_NAVIGATION_H
|
|
#define CGAL_QT_GRAPHICS_VIEW_NAVIGATION_H
|
|
|
|
#include <CGAL/auto_link/Qt4.h>
|
|
#include <QObject>
|
|
#include <QPointF>
|
|
#include <QString>
|
|
#include <QCursor>
|
|
#include <QRect>
|
|
#include <QRectF>
|
|
|
|
class QGraphicsView;
|
|
class QGraphicsScene;
|
|
class QEvent;
|
|
class QGraphicsRectItem;
|
|
|
|
namespace CGAL {
|
|
namespace Qt {
|
|
|
|
class GraphicsViewNavigation: public QObject {
|
|
|
|
Q_OBJECT
|
|
|
|
signals:
|
|
void mouseCoordinates(QString);
|
|
|
|
public:
|
|
GraphicsViewNavigation();
|
|
~GraphicsViewNavigation();
|
|
|
|
bool eventFilter(QObject *obj, QEvent *event);
|
|
|
|
private:
|
|
|
|
void scaleView(QGraphicsView*, qreal scaleFactor);
|
|
void translateView(QGraphicsView*, int dx, int dy);
|
|
void drag_to(QGraphicsView*, QPoint new_pos);
|
|
QRectF mapToScene(QGraphicsView*, QRect rect) const;
|
|
void display_parameters(QGraphicsView*);
|
|
|
|
QGraphicsRectItem* rectItem;
|
|
QPointF rect_first_point;
|
|
bool dragging;
|
|
QPointF dragging_start;
|
|
QCursor cursor_backup;
|
|
};
|
|
|
|
} // namespace Qt
|
|
} // namespace CGAL
|
|
|
|
#endif // CGAL_QT_GRAPHICS_VIEW_NAVIGATION_H
|