NAME¶

QwtCompassMagnetNeedle - A magnet needle for compass widgets.

SYNOPSIS¶

#include <qwt_dial_needle.h> Inherits QwtDialNeedle.

Public Types¶

enum Style { TriangleStyle, ThinStyle }

Public Member Functions¶

virtual void draw (QPainter *, const QPoint &, int length, double direction, QPalette::ColorGroup=QPalette::Active) const const QPalette & palette () const QwtCompassMagnetNeedle (Style=TriangleStyle, const QColor &light=Qt::white, const QColor &dark=Qt::red) virtual void setPalette (const QPalette &)

Static Public Member Functions¶

static void drawThinNeedle (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction) static void drawTriangleNeedle (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)

Static Protected Member Functions¶

static void drawKnob (QPainter *, const QPoint &pos, int width, const QBrush &, bool sunken) static void drawPointer (QPainter *painter, const QBrush &brush, int colorOffset, const QPoint &center, int length, int width, double direction)

Detailed Description¶

A magnet needle for compass widgets. A magnet needle points to two opposite directions indicating north and south. The following colors are used:

•

QColorGroup::Light

 

Used for pointing south

•

QColorGroup::Dark

 

Used for pointing north

•

QColorGroup::Base

 

Knob (ThinStyle only)

See also:

Member Enumeration Documentation¶

enum QwtCompassMagnetNeedle::Style¶

Style of the needle.

Constructor & Destructor Documentation¶

QwtCompassMagnetNeedle::QwtCompassMagnetNeedle (Stylestyle = TriangleStyle, const QColor &light = Qt::white, const QColor &dark = Qt::red)¶

Constructor.

Member Function Documentation¶

void QwtCompassMagnetNeedle::draw (QPainter *painter, const QPoint &center, intlength, doubledirection, QPalette::ColorGroupcolorGroup = QPalette::Active) const [virtual] Draw the needle¶

Parameters: Implements QwtDialNeedle.

void QwtDialNeedle::drawKnob (QPainter *painter, const QPoint &pos, intwidth, const QBrush &brush, boolsunken) [static, protected, inherited]¶

Draw the knob.

void QwtCompassMagnetNeedle::drawPointer (QPainter *painter, const QBrush &brush, intcolorOffset, const QPoint &center, intlength, intwidth, doubledirection) [static, protected] Draw a compass needle¶

Parameters:

void QwtCompassMagnetNeedle::drawThinNeedle (QPainter *painter, const QPalette &palette, QPalette::ColorGroupcolorGroup, const QPoint &center, intlength, doubledirection) [static] Draw a compass needle¶

Parameters:

void QwtCompassMagnetNeedle::drawTriangleNeedle (QPainter *painter, const QPalette &palette, QPalette::ColorGroupcolorGroup, const QPoint &center, intlength, doubledirection) [static] Draw a compass needle¶

Parameters:

const QPalette & QwtDialNeedle::palette () const [inherited] Returns:¶

void QwtDialNeedle::setPalette (const QPalette &palette) [virtual, inherited] Sets the palette for the needle.¶

Parameters:

Author¶

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