conflicting packages
QwtCompassMagnetNeedle(3) | Qwt User's Guide | QwtCompassMagnetNeedle(3) |
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¶
QwtCompassMagnetNeedle (Style=TriangleStyle, const QColor &light=Qt::white, const QColor &dark=Qt::red)
Protected Member Functions¶
virtual void drawNeedle (QPainter *, double length, QPalette::ColorGroup) const
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:- •
- QPalette::Light
Used for pointing south
- •
- QPalette::Dark
Used for pointing north
- •
- QPalette::Base
Knob (ThinStyle only)
QwtDial, QwtCompass
Member Enumeration Documentation¶
enum QwtCompassMagnetNeedle::Style¶
Style of the needle. Enumerator:- TriangleStyle
- A needle with a triangular shape.
- ThinStyle
- A thin needle.
Constructor & Destructor Documentation¶
QwtCompassMagnetNeedle::QwtCompassMagnetNeedle ( Stylestyle = TriangleStyle, const QColor &light = Qt::white, const QColor &dark = Qt::red)¶
Constructor.Member Function Documentation¶
void QwtCompassMagnetNeedle::drawNeedle (QPainter *painter, doublelength, QPalette::ColorGroupcolorGroup) const [protected, virtual] Draw the needle¶
Parameters:painter Painter
length Length of the needle
colorGroup Color group, used for painting
Implements QwtDialNeedle.
Author¶
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