
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.
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 |
Static Protected Member Functions | |
| static void | drawKnob (QPainter *, const QPoint &pos, int width, const QBrush &, bool sunken) |
| QwtDialNeedle::QwtDialNeedle | ( | ) |
| QwtDialNeedle::~QwtDialNeedle | ( | ) | [virtual] |
| virtual void QwtDialNeedle::draw | ( | QPainter * | painter, | |
| const QPoint & | center, | |||
| int | length, | |||
| double | direction, | |||
| QPalette::ColorGroup | cg = QPalette::Active | |||
| ) | const [pure virtual] |
Draw the needle
| 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().
| void QwtDialNeedle::setPalette | ( | const QPalette & | palette | ) | [virtual] |
Sets the palette for the needle.
| palette | New Palette |
Definition at line 40 of file qwt_dial_needle.cpp.
Referenced by QwtCompassMagnetNeedle::QwtCompassMagnetNeedle(), QwtCompassWindArrow::QwtCompassWindArrow(), and QwtDialSimpleNeedle::QwtDialSimpleNeedle().
| const QPalette & QwtDialNeedle::palette | ( | ) | const |
Definition at line 48 of file qwt_dial_needle.cpp.
Referenced by QwtCompassWindArrow::draw(), QwtCompassMagnetNeedle::draw(), QwtDialSimpleNeedle::draw(), QwtCompassMagnetNeedle::QwtCompassMagnetNeedle(), QwtCompassWindArrow::QwtCompassWindArrow(), and QwtDialSimpleNeedle::QwtDialSimpleNeedle().
| void QwtDialNeedle::drawKnob | ( | QPainter * | , | |
| const QPoint & | pos, | |||
| int | width, | |||
| const QBrush & | , | |||
| bool | sunken | |||
| ) | [static, protected] |
Draw the knob.
Definition at line 54 of file qwt_dial_needle.cpp.
Referenced by QwtDialSimpleNeedle::drawArrowNeedle(), QwtDialSimpleNeedle::drawRayNeedle(), and QwtCompassMagnetNeedle::drawThinNeedle().
1.5.0