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QwtDialSimpleNeedle

NAME

QwtDialSimpleNeedle -

SYNOPSIS

Inherits QwtDialNeedle.

Detailed Description

A needle for dial widgets.

The following colors are used:

•

QColorGroup::Mid

 Pointer

•

QColorGroup::base

 Knob

See also:

QwtDial, QwtCompass

Definition at line 73 of file 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)

Member Enumeration Documentation

enum QwtDialSimpleNeedle::Style

Style of the needle.

Definition at line 77 of file qwt_dial_needle.h.

Constructor & Destructor Documentation

QwtDialSimpleNeedle::QwtDialSimpleNeedle (Style style, bool hasKnob = true, const QColor & mid = Qt::gray, const QColor & base = Qt::darkGray)

Constructor

Definition at line 91 of file qwt_dial_needle.cpp.

References QwtDialNeedle::palette().

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.

Definition at line 132 of file qwt_dial_needle.cpp.

References drawArrowNeedle(), drawRayNeedle(), and QwtDialNeedle::palette().

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

Definition at line 202 of file qwt_dial_needle.cpp.

References QwtDialNeedle::drawKnob().

Referenced by draw().

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

Definition at line 150 of file qwt_dial_needle.cpp.

References QwtDialNeedle::drawKnob().

Referenced by draw().

void QwtDialSimpleNeedle::setWidth (int width)

Set the width of the needle.

Definition at line 110 of file qwt_dial_needle.cpp.

int QwtDialSimpleNeedle::width () const

Returns:

the width of the needle

Definition at line 118 of file qwt_dial_needle.cpp.

Author

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