CGAL 5.5.3 - CGAL and the Qt Graphics View Framework
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CGAL::Qt::GraphicsViewNavigation Class Reference
CGAL and the Qt Graphics View Framework Reference » Miscellaneous Classes

#include <CGAL/Qt/GraphicsViewNavigation.h>

Definition

An object of type GraphicsViewNavigation can be added as event filter to a Qt::QGraphicsView and its viewport.

Dragging the left mouse button while holding the 'Ctrl' key defines a zoom rectangle. Dragging the right mouse button while holding the 'Ctrl' key translates the scene. 'Ctrl-Shift' and a click of the right mouse button translates what is under the mouse to the center.

Operations

bool eventFilter (QObject *obj, QEvent *event)
 The event filter.
 

Signals

void mouseCoordinates (QPointF p)
 Emits the real world mouse coordinates.