QwtDialSimpleNeedle

Langue: en

Autres versions - même langue

Version: 380838 (fedora - 01/12/10)

Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

QwtDialSimpleNeedle -

A needle for dial widgets.

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)

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 (Style style, bool hasKnob = 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 & center, int length, double direction, QPalette::ColorGroup colorGroup = 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::ColorGroup colorGroup, const QPoint & center, int length, int width, double direction, bool hasKnob) [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 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

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 QwtDialSimpleNeedle::setWidth (int width)Set the width of the needle

Parameters:

width Width

See also:

width()

int QwtDialSimpleNeedle::width () constReturns:

the width of the needle

See also:

setWidth()

Author

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