Public Member Functions¶

QwtCompass (QWidget *parent=NULL)
virtual ~QwtCompass ()
const QMap< double, QString > & labelMap () const
QMap< double, QString > & labelMap ()
const QwtCompassRose * rose () const
QwtCompassRose * rose ()
void setLabelMap (const QMap< double, QString > &map)
void setRose (QwtCompassRose *rose)

Protected Member Functions¶

virtual void drawRose (QPainter *, const QPoint &center, int radius, double north, QPalette::ColorGroup) const
virtual void drawScaleContents (QPainter *, const QPoint &center, int radius) const
virtual void keyPressEvent (QKeyEvent *)
virtual QwtText scaleLabel (double value) const

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.

void QwtCompass::drawRose (QPainter *painter, const QPoint &center, intradius, doublenorth, QPalette::ColorGroupcg) const [protected], [virtual]¶

Draw the compass rose

Parameters:

void QwtCompass::drawScaleContents (QPainter *painter, const QPoint &center, intradius) const [protected], [virtual]¶

Draw the contents of the scale

Parameters:

Reimplemented from QwtDial.

void QwtCompass::keyPressEvent (QKeyEvent *kev) [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 QwtDial.

const QMap< double, QString > & QwtCompass::labelMap () const¶

Returns:

See also:

QMap< double, QString > & QwtCompass::labelMap ()¶

Returns:

See also:

const QwtCompassRose * QwtCompass::rose () const¶

Returns:

See also:

QwtCompassRose * QwtCompass::rose ()¶

Returns:

See also:

QwtText QwtCompass::scaleLabel (doublevalue) const [protected], [virtual]¶

Map a value to a corresponding label

Parameters:

Returns:

label() looks in a map for a corresponding label for value or return an null text.

See also:

Reimplemented from QwtDial.

void QwtCompass::setLabelMap (const QMap< double, QString > &map)¶

Set a map, mapping values to labels. Parameters:

The values of the major ticks are found by looking into this map. The default map consists of the labels N, NE, E, SE, S, SW, W, NW.

Warning:

See also:

void QwtCompass::setRose (QwtCompassRose *rose)¶

Set a rose for the compass

Parameters:

Warning:

See also: