CGAL::Qt_widget_get_segment<T>

Definition

An object of type Qt_widget_get_segment<T> creates a CGAL segment in this way: one left click on the mouse will be the first point and the second point of the segment will be considered at the coordinates where the left mouse button is pressed for the second time. You can always cancel the creation process by pressing the ESC key. The use of Qt_widget_get_segment<T> requires that the mouse tracking is enabled for widgets attaching it.

#include <CGAL/IO/Qt_widget_get_segment.h>

Parameters

The full template declaration of Qt_widget_get_segment states one parameter:

template < class T >
class Qt_widget_get_segment;

If T is one of the CGAL kernels you don't need additional types. If not, the parameter T has to provide this types:

Types

typedef T::Point_2 Point_2; This should be a Point type

typedef T::Segment_2 Segment_2; This should be a Segment type

typedef T::FT FT; This should be a Field type

Inherits From

Qt_widget_layer

Creation

Qt_widget_get_segment<T> getsegment ( const QCursor c=QCursor(Qt::crossCursor), QObject* parent = 0, const char* name = 0);
c is the cursor that this layer will use when is active. parent is the parent widget and name is the name you give to this layer.