QwtDialSimpleNeedle Class Reference

Inheritance diagram for QwtDialSimpleNeedle:

[legend]Collaboration diagram for QwtDialSimpleNeedle:

[legend]List of all members.

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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)

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Member Enumeration Documentation

enum QwtDialSimpleNeedle::Style

Style of the needle. Definition at line 77 of file qwt_dial_needle.h.

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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().

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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.

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