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QwtDialSimpleNeedle Class Reference

Inheritance diagram for QwtDialSimpleNeedle:

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Collaboration diagram for QwtDialSimpleNeedle:

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List of all members.

Detailed Description

A needle for dial widgets

The following colors are used:

See also:
QwtDial, QwtCompass

Definition at line 74 of file 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)
virtual void draw (QPainter *, const QPoint &, int length, double direction, QPalette::ColorGroup=QPalette::Active) const
void setWidth (int width)
int width () const

Static Public Member Functions

void drawArrowNeedle (QPainter *, const QColorGroup &, const QPoint &, int length, int width, double direction, bool hasKnob)
void drawRayNeedle (QPainter *, const QColorGroup &, const QPoint &, int length, int width, double direction, bool hasKnob)


Constructor & Destructor Documentation

QwtDialSimpleNeedle::QwtDialSimpleNeedle Style  style,
bool  hasKnob = TRUE,
const QColor &  mid = Qt::gray,
const QColor &  base = Qt::darkGray
 

Constructor Definition at line 101 of file qwt_dial_needle.cpp.

References QwtDialNeedle::setPalette().


Member Function Documentation

void QwtDialSimpleNeedle::draw QPainter *  painter,
const QPoint &  center,
int  length,
double  direction,
QPalette::ColorGroup  cg = QPalette::Active
const [virtual]
 

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
cg Color group, used for painting

Implements QwtDialNeedle.

Definition at line 142 of file qwt_dial_needle.cpp.

References QwtDialNeedle::colorGroup(), drawArrowNeedle(), and drawRayNeedle().

void QwtDialSimpleNeedle::drawArrowNeedle QPainter *  painter,
const QColorGroup &  cg,
const QPoint &  center,
int  length,
int  width,
double  direction,
bool  hasKnob
[static]
 

Draw a needle looking like an arrow Definition at line 208 of file qwt_dial_needle.cpp.

References QwtDialNeedle::drawKnob().

Referenced by draw().

void QwtDialSimpleNeedle::drawRayNeedle QPainter *  painter,
const QColorGroup &  cg,
const QPoint &  center,
int  length,
int  width,
double  direction,
bool  hasKnob
[static]
 

Draw a needle looking like a ray Definition at line 160 of file qwt_dial_needle.cpp.

References QwtDialNeedle::drawKnob().

Referenced by draw().

void QwtDialSimpleNeedle::setWidth int  width  ) 
 

Set the width of the needle.

Definition at line 120 of file qwt_dial_needle.cpp.

Referenced by QwtAnalogClock::QwtAnalogClock().

int QwtDialSimpleNeedle::width  )  const
 

Returns:
the width of the needle
Definition at line 128 of file qwt_dial_needle.cpp.


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