QwtDialSimpleNeedle(3) Qwt User's Guide QwtDialSimpleNeedle(3)NAMEQwtDialSimpleNeedle-
A needle for dial widgets.
SYNOPSIS
#include <qwt_dial_needle.h>
Inherits QwtDialNeedle.
Public Types
enum Style { Arrow, Ray }
Public Member Functions
virtual void draw (QPainter *, const QPoint &, int 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 (int width)
int width () const
Static Public Member Functions
static void drawArrowNeedle (QPainter *, const QPalette &,
QPalette::ColorGroup, const QPoint &, int length, int width, double
direction, bool hasKnob)
static void drawRayNeedle (QPainter *, const QPalette &,
QPalette::ColorGroup, const QPoint &, int length, int width, double
direction, bool hasKnob)
Static Protected Member Functions
static void drawKnob (QPainter *, const QPoint &pos, int width, const
QBrush &, bool sunken)
Detailed Description
A needle for dial widgets.
The following colors are used:
· QColorGroup::Mid
Pointer
· QColorGroup::base
Knob
See also:
QwtDial, QwtCompass
Member Enumeration Documentation
enum QwtDialSimpleNeedle::Style
Style of the needle.
Constructor & Destructor Documentation
QwtDialSimpleNeedle::QwtDialSimpleNeedle (Stylestyle, boolhasKnob = 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::draw (QPainter *painter, const QPoint ¢er,
intlength, doubledirection, QPalette::ColorGroupcolorGroup =
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
colorGroup Color group, used for painting
Implements QwtDialNeedle.
void QwtDialSimpleNeedle::drawArrowNeedle (QPainter *painter, const
QPalette &palette, QPalette::ColorGroupcolorGroup, const QPoint
¢er, intlength, intwidth, doubledirection, boolhasKnob) [static]
Draw a needle looking like an arrow
Parameters:
painter Painter
palette Palette
colorGroup Color group
center center of the needle
length Length of the needle
width Width of the needle
direction Current Direction
hasKnob With/Without knob
void QwtDialNeedle::drawKnob (QPainter *painter, const QPoint &pos,
intwidth, const QBrush &brush, boolsunken) [static, protected,
inherited]
Draw the knob.
void QwtDialSimpleNeedle::drawRayNeedle (QPainter *painter, const QPalette
&palette, QPalette::ColorGroupcolorGroup, const QPoint ¢er,
intlength, intwidth, doubledirection, boolhasKnob) [static] Draw a
needle looking like a ray
Parameters:
painter Painter
palette Palette
colorGroup Color group
center center of the needle
length Length of the needle
width Width of the needle
direction Current Direction
hasKnob With/Without knob
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 (intwidth) Set the width of the needle
Parameters:
width Width
See also:
width()
int QwtDialSimpleNeedle::width () const Returns:
the width of the needle
See also:
setWidth()Author
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code.
Version 5.2.2 Mon Aug 1 2011 QwtDialSimpleNeedle(3)
