QwtAnalogClock (3)

#include <qwt_analog_clock.h>

Inherits QwtDial.

Public Types

enum Hand { SecondHand, MinuteHand, HourHand, NHands }

Public Slots

void setCurrentTime ()

void setTime (const QTime &=QTime::currentTime())

Public Member Functions

QwtAnalogClock (QWidget *parent=NULL)

virtual ~QwtAnalogClock ()

const QwtDialNeedle * hand (Hand) const

QwtDialNeedle * hand (Hand)

virtual void setHand (Hand, QwtDialNeedle *)

Protected Member Functions

virtual void drawHand (QPainter *, Hand, const QPoint &, int radius, double direction, QPalette::ColorGroup) const

virtual void drawNeedle (QPainter *, const QPoint &, int radius, double direction, QPalette::ColorGroup) const

virtual QwtText scaleLabel (double) const

An analog clock.

Example

#include <qwt_analog_clock.h>

  QwtAnalogClock *clock = new QwtAnalogClock(...);
  clock->scaleDraw()->setPenWidth(3);
  clock->setLineWidth(6);
  clock->setFrameShadow(QwtDial::Sunken);
  clock->setTime();

  // update the clock every second
  QTimer *timer = new QTimer(clock);
  timer->connect(timer, SIGNAL(timeout()), clock, SLOT(setCurrentTime()));
  timer->start(1000);

Qwt is missing a set of good looking hands. Contributions are very welcome.

Note:

The examples/dials example shows how to use QwtAnalogClock.

enum \fBQwtAnalogClock::Hand\fP

Hand type

See also:

setHand(), hand()

QwtAnalogClock::QwtAnalogClock (QWidget *parent = \fCNULL\fP)\fC [explicit]\fP

Constructor

Parameters:

parent Parent widget

void QwtAnalogClock::drawHand (QPainter *painter, \fBHand\fPhd, const QPoint ¢er, intradius, doubledirection, QPalette::ColorGroupcg) const\fC [protected]\fP, \fC [virtual]\fP

Draw a clock hand

Parameters:

painter Painter

hd Specify the type of hand

center Center of the clock

radius Maximum length for the hands

direction Direction of the hand in degrees, counter clockwise

cg ColorGroup

void QwtAnalogClock::drawNeedle (QPainter *painter, const QPoint ¢er, intradius, doubledirection, QPalette::ColorGroupcg) const\fC [protected]\fP, \fC [virtual]\fP

Draw the needle. A clock has no single needle but three hands instead. drawNeedle translates value() into directions for the hands and calls drawHand().

Parameters:

painter Painter

center Center of the clock

radius Maximum length for the hands

direction Dummy, not used.

cg ColorGroup

See also:

drawHand()

Reimplemented from QwtDial.

const \fBQwtDialNeedle\fP * QwtAnalogClock::hand (\fBHand\fPhd) const

Returns:

Clock hand

Parameters:

hd Specifies the type of hand

See also:

setHand()

\fBQwtDialNeedle\fP * QwtAnalogClock::hand (\fBHand\fPhd)

Returns:

Clock hand

Parameters:

hd Specifies the type of hand

See also:

setHand()

\fBQwtText\fP QwtAnalogClock::scaleLabel (doublevalue) const\fC [protected]\fP, \fC [virtual]\fP

Find the scale label for a given value

Parameters:

value Value

Returns:

Label

Reimplemented from QwtDial.

void QwtAnalogClock::setCurrentTime ()\fC [slot]\fP

Set the current time. This is the same as QwtAnalogClock::setTime(), but Qt < 3.0 can't handle default parameters for slots.

void QwtAnalogClock::setHand (\fBHand\fPhand, \fBQwtDialNeedle\fP *needle)\fC [virtual]\fP

Set a clockhand

Parameters:

hand Specifies the type of hand

needle Hand

See also:

hand()

void QwtAnalogClock::setTime (const QTime &time = \fCQTime::currentTime()\fP)\fC [slot]\fP

Set a time

Parameters:

time Time to display

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