qwtdialneedle(3)
NAME
QwtDialNeedle
SYNOPSIS
Inherited by QwtCompassMagnetNeedle, QwtCompassWindArrow, and QwtDialSimpleNeedle.
Detailed Description
Base class for needles that can be used in a QwtDial.
QwtDialNeedle is a pointer that indicates a value by pointing to a
specific direction.
Qwt is missing a set of good looking needles. Contributions are very
welcome.
- See also:
- QwtDial, QwtCompass
- Definition at line 31 of file qwt_dial_needle.h.
- Public Member Functions
- QwtDialNeedle ()
virtual ~QwtDialNeedle ()
virtual void draw (QPainter *painter, const QPoint ¢er, int length,double direction, QPalette::ColorGroup cg=QPalette::Active) const
=0 - virtual void setPalette (const QPalette &)
const QPalette & palette () const - Protected Member Functions
- const QColorGroup & colorGroup (QPalette::ColorGroup) const
- Static Protected Member Functions
- void drawKnob (QPainter *, const QPoint &pos, int width, const QBrush
&, bool sunken)
Constructor & Destructor Documentation
- QwtDialNeedle::QwtDialNeedle ()
- Constructor.
- Definition at line 18 of file qwt_dial_needle.cpp.
- QwtDialNeedle::~QwtDialNeedle () [virtual]
- Destructor.
- Definition at line 24 of file qwt_dial_needle.cpp.
Member Function Documentation
- const QColorGroup & QwtDialNeedle::colorGroup (QPalette::ColorGroup cg)
- const [protected]
Parameters:cg Identifier of the color group - Returns:
The color group of the palette.
- Definition at line 85 of file qwt_dial_needle.cpp.
- Referenced by QwtCompassWindArrow::draw(),
QwtCompassMagnetNeedle::draw(), and QwtDialSimpleNeedle::draw(). - virtual void QwtDialNeedle::draw (QPainter * painter, const QPoint &
- center, int length, double direction, QPalette::ColorGroup cg = QPalette::Active) const [pure 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 - Implemented in QwtDialSimpleNeedle, QwtCompassMagnetNeedle, and QwtCompassWindArrow.
- Referenced by QwtAnalogClock::drawHand(), and QwtDial::drawNeedle().
- void QwtDialNeedle::drawKnob (QPainter *, const QPoint & pos, int width,
- const QBrush &, bool sunken) [static, protected] Draw the knob.
- Definition at line 47 of file qwt_dial_needle.cpp.
- Referenced by QwtDialSimpleNeedle::drawArrowNeedle(),
QwtDialSimpleNeedle::drawRayNeedle(), and
QwtCompassMagnetNeedle::drawThinNeedle(). - const QPalette & QwtDialNeedle::palette () const
- Returns:
the palette of the needle.
- Definition at line 41 of file qwt_dial_needle.cpp.
- void QwtDialNeedle::setPalette (const QPalette & palette) [virtual]
- Sets the palette for the needle.
- Parameters:
palette New Palette
- Definition at line 33 of file qwt_dial_needle.cpp.
- Referenced by QwtCompassMagnetNeedle::QwtCompassMagnetNeedle(),
QwtCompassWindArrow::QwtCompassWindArrow(), and
QwtDialSimpleNeedle::QwtDialSimpleNeedle().
Author
- Generated automatically by Doxygen for Qwt User's Guide from the source
code.