NAME

QwtDialSimpleNeedle - 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

Detailed Description

A needle for dial widgets.

The following colors are used:

QPalette::Mid
Pointer
QPalette::Base
Knob

See also:

QwtDial, QwtCompass

Member Enumeration Documentation

enum QwtDialSimpleNeedle::Style

Style of the needle.

Enumerator

Arrow: Arrow.
Ray: A straight line from the center.

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

Member Function Documentation

void QwtDialSimpleNeedle::drawNeedle (QPainter * painter, double length, QPalette::ColorGroup colorGroup) const [protected], [virtual]

Draw the needle

Parameters:

painter Painter
length Length of the needle
colorGroup Color group, used for painting

Implements QwtDialNeedle.

void QwtDialSimpleNeedle::setWidth (double width)

Set the width of the needle

Parameters:

width Width

See also:

width()

double QwtDialSimpleNeedle::width () const

Returns:

the width of the needle

See also:

setWidth()

Author

Generated automatically by Doxygen for Qwt User's Guide from the source code.

Wed Jan 2 2019

Version 6.1.4