QwtDialSimpleNeedle Class Reference

A needle for dial widgets. More...

#include <qwt_dial_needle.h>

Inheritance diagram for QwtDialSimpleNeedle:

Inheritance graph
[legend]

List of all members.

Public Types

enum  Style {
  Arrow,
  Ray
}

Public Member Functions

virtual void draw (QPainter *painter, const QPointF &center, double length, double direction, QPalette::ColorGroup=QPalette::Active) const
const QPalette & palette () const
 QwtDialSimpleNeedle (Style, bool hasKnob=true, const QColor &mid=Qt::gray, const QColor &base=Qt::darkGray)
virtual void setPalette (const QPalette &)
void setWidth (double width)
double width () const

Protected Member Functions

virtual void drawKnob (QPainter *, double width, const QBrush &, bool sunken) const
virtual void drawNeedle (QPainter *, double length, QPalette::ColorGroup) const


Detailed Description

A needle for dial widgets.

The following colors are used:

See also:
QwtDial, QwtCompass

Member Enumeration Documentation

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 QwtDialNeedle::draw ( QPainter *  painter,
const QPointF &  center,
double  length,
double  direction,
QPalette::ColorGroup  colorGroup = QPalette::Active 
) const [virtual, inherited]

Draw the needle

Parameters:
painter Painter
center Center of the dial, start position for the needle
length Length of the needle
direction Direction of the needle, in degrees counter clockwise
colorGroup Color group, used for painting

void QwtDialNeedle::drawKnob ( QPainter *  painter,
double  width,
const QBrush &  brush,
bool  sunken 
) const [protected, virtual, inherited]

Draw the knob.

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.

const QPalette & QwtDialNeedle::palette (  )  const [inherited]

Returns:
the palette of the needle.

void QwtDialNeedle::setPalette ( const QPalette &  palette  )  [virtual, inherited]

Sets the palette for the needle.

Parameters:
palette New Palette

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()


Generated on Wed Jan 11 15:23:01 2012 for Qwt User's Guide by  doxygen 1.5.9