QwtDialSimpleNeedle(3) | Qwt User's Guide | QwtDialSimpleNeedle(3) |
NAME¶
QwtDialSimpleNeedle -
SYNOPSIS¶
#include <qwt_dial_needle.h>
Inherits QwtDialNeedle.
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¶
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)
Additional Inherited Members¶
Detailed Description¶
A needle for dial widgets.
The following colors are used:
- QColorGroup::Mid
Pointer - QColorGroup::base
Knob
See also:
Constructor & Destructor Documentation¶
QwtDialSimpleNeedle::QwtDialSimpleNeedle (Stylestyle, boolhasKnob = true, const QColor &mid = Qt::gray, const QColor &base = Qt::darkGray)¶
Constructor
Parameters:
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:
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:
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 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:
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 QwtDialSimpleNeedle::setWidth (intwidth)¶
Set the width of the needle
Parameters:
See also:
int QwtDialSimpleNeedle::width () const¶
Returns:
See also:
Author¶
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Tue Nov 20 2012 | Version 5.2.3 |