Qwt User's Guide 6.0.0
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A needle for dial widgets. More...
#include <qwt_dial_needle.h>
Public Types | |
enum | Style { Arrow, Ray } |
Public Member Functions | |
QwtDialSimpleNeedle (Style, bool hasKnob=true, const QColor &mid=Qt::gray, const QColor &base=Qt::darkGray) | |
void | setWidth (double width) |
double | width () const |
Protected Member Functions | |
virtual void | drawNeedle (QPainter *, double length, QPalette::ColorGroup) const |
A needle for dial widgets.
The following colors are used:
QwtDialSimpleNeedle::QwtDialSimpleNeedle | ( | Style | style, |
bool | hasKnob = true , |
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const QColor & | mid = Qt::gray , |
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const QColor & | base = Qt::darkGray |
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) |
Constructor
style | Style |
hasKnob | With/Without knob |
mid | Middle color |
base | Base color |
void QwtDialSimpleNeedle::drawNeedle | ( | QPainter * | painter, |
double | length, | ||
QPalette::ColorGroup | colorGroup | ||
) | const [protected, virtual] |
Draw the needle
painter | Painter |
length | Length of the needle |
colorGroup | Color group, used for painting |
Implements QwtDialNeedle.
void QwtDialSimpleNeedle::setWidth | ( | double | width | ) |
double QwtDialSimpleNeedle::width | ( | ) | const |