QwtDialSimpleNeedle - Man Page
A needle for dial widgets.
Synopsis
#include <qwt_dial_needle.h>
Inherits QwtDialNeedle.
Public Types
enum Style { Arrow, Ray }
Style of the needle.
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 override
Detailed Description
A needle for dial widgets.
The following colors are used:
- QPalette::Mid
Pointer - QPalette::Base
Knob
- See also
QwtDial, QwtCompass
Definition at line 81 of file qwt_dial_needle.h.
Member Enumeration Documentation
enum QwtDialSimpleNeedle::Style
Style of the needle.
Enumerator
- Arrow
Arrow.
- Ray
A straight line from the center.
Definition at line 85 of file qwt_dial_needle.h.
Constructor & Destructor Documentation
QwtDialSimpleNeedle::QwtDialSimpleNeedle (Style style, bool hasKnob = true, const QColor & mid = Qt::gray, const QColor & base = Qt::darkGray)
Constructor
- Parameters
style Style
hasKnob With/Without knob
mid Middle color
base Base color
Definition at line 273 of file qwt_dial_needle.cpp.
Member Function Documentation
void QwtDialSimpleNeedle::drawNeedle (QPainter * painter, double length, QPalette::ColorGroup colorGroup) const [override], [protected], [virtual]
Draw the needle
- Parameters
painter Painter
length Length of the needle
colorGroup Color group, used for painting
Implements QwtDialNeedle.
Definition at line 312 of file qwt_dial_needle.cpp.
void QwtDialSimpleNeedle::setWidth (double width)
Set the width of the needle
- Parameters
width Width
- See also
width()
Definition at line 291 of file qwt_dial_needle.cpp.
double QwtDialSimpleNeedle::width () const
- Returns
the width of the needle
- See also
setWidth()
Definition at line 300 of file qwt_dial_needle.cpp.
Author
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