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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 |
1.7.3