A needle for dial widgets. More...
#include <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 | |
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) |
A needle for dial widgets.
The following colors are used:
Style of the needle.
QwtDialSimpleNeedle::QwtDialSimpleNeedle | ( | Style | style, | |
bool | hasKnob = true , |
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const QColor & | mid = Qt::gray , |
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const QColor & | base = Qt::darkGray | |||
) |
Constructor
style | Style | |
hasKnob | With/Without knob | |
mid | Middle color | |
base | Base color |
void QwtDialSimpleNeedle::draw | ( | QPainter * | painter, | |
const QPoint & | center, | |||
int | length, | |||
double | direction, | |||
QPalette::ColorGroup | colorGroup = QPalette::Active | |||
) | const [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 | |
colorGroup | Color group, used for painting |
Implements QwtDialNeedle.
void QwtDialSimpleNeedle::drawArrowNeedle | ( | QPainter * | painter, | |
const QPalette & | palette, | |||
QPalette::ColorGroup | colorGroup, | |||
const QPoint & | center, | |||
int | length, | |||
int | width, | |||
double | direction, | |||
bool | hasKnob | |||
) | [static] |
Draw a needle looking like an arrow
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 QwtDialSimpleNeedle::drawRayNeedle | ( | QPainter * | painter, | |
const QPalette & | palette, | |||
QPalette::ColorGroup | colorGroup, | |||
const QPoint & | center, | |||
int | length, | |||
int | width, | |||
double | direction, | |||
bool | hasKnob | |||
) | [static] |
Draw a needle looking like a ray
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 QwtDialSimpleNeedle::setWidth | ( | int | width | ) |
int QwtDialSimpleNeedle::width | ( | ) | const |