Public Member Functions¶

QwtCompass (QWidget *parent=NULL)
Constructor. virtual ~QwtCompass ()
Destructor. void setRose (QwtCompassRose *rose)
const QwtCompassRose * rose () const
QwtCompassRose * rose ()

Protected Member Functions¶

virtual void drawRose (QPainter *, const QPointF &center, double radius, double north, QPalette::ColorGroup) const
virtual void drawScaleContents (QPainter *, const QPointF &center, double radius) const override
virtual void keyPressEvent (QKeyEvent *) override

Additional Inherited Members¶

QwtCompass::QwtCompass (QWidget * parent = NULL) [explicit]¶

Constructor.

Parameters

Create a compass widget with a scale, no needle and no rose. The default origin is 270.0 with no valid value. It accepts mouse and keyboard inputs and has no step size. The default mode is QwtDial::RotateNeedle.

Definition at line 158 of file qwt_compass.cpp.

void QwtCompass::drawRose (QPainter * painter, const QPointF & center, double radius, double north, QPalette::ColorGroup cg) const [protected], [virtual]¶

Draw the compass rose

Parameters

Definition at line 218 of file qwt_compass.cpp.

void QwtCompass::drawScaleContents (QPainter * painter, const QPointF & center, double radius) const [override], [protected], [virtual]¶

Draw the contents of the scale

Parameters

Reimplemented from QwtDial.

Definition at line 189 of file qwt_compass.cpp.

void QwtCompass::keyPressEvent (QKeyEvent * kev) [override], [protected], [virtual]¶

Handles key events

Beside the keys described in QwtDial::keyPressEvent numbers from 1-9 (without 5) set the direction according to their position on the num pad.

See also

Reimplemented from QwtAbstractSlider.

Definition at line 271 of file qwt_compass.cpp.

QwtCompassRose * QwtCompass::rose ()¶

Returns

See also

Definition at line 257 of file qwt_compass.cpp.

const QwtCompassRose * QwtCompass::rose () const¶

Returns

See also

Definition at line 248 of file qwt_compass.cpp.

void QwtCompass::setRose (QwtCompassRose * rose)¶

Set a rose for the compass

Parameters

Warning

See also

Definition at line 232 of file qwt_compass.cpp.