

#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);
Definition at line 45 of file qwt_analog_clock.h.
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 () |
| virtual void | setHand (Hand, QwtDialNeedle *) |
| const QwtDialNeedle * | hand (Hand) const |
| QwtDialNeedle * | hand (Hand) |
Protected Member Functions | |
| virtual QwtText | scaleLabel (double) const |
| virtual void | drawNeedle (QPainter *, const QPoint &, int radius, double direction, QPalette::ColorGroup) const |
| virtual void | drawHand (QPainter *, Hand, const QPoint &, int radius, double direction, QPalette::ColorGroup) const |
| enum QwtAnalogClock::Hand |
| QwtAnalogClock::QwtAnalogClock | ( | QWidget * | parent = NULL |
) | [explicit] |
| QwtAnalogClock::~QwtAnalogClock | ( | ) | [virtual] |
| void QwtAnalogClock::setHand | ( | Hand | hand, | |
| QwtDialNeedle * | needle | |||
| ) | [virtual] |
Set a clockhand
| hand | Specifies the type of hand | |
| needle | Hand |
Definition at line 104 of file qwt_analog_clock.cpp.
| const QwtDialNeedle * QwtAnalogClock::hand | ( | Hand | hd | ) | const |
| hd | Specifies the type of hand |
Definition at line 131 of file qwt_analog_clock.cpp.
Referenced by drawHand().
| QwtDialNeedle * QwtAnalogClock::hand | ( | Hand | hd | ) |
| hd | Specifies the type of hand |
Definition at line 118 of file qwt_analog_clock.cpp.
| void QwtAnalogClock::setCurrentTime | ( | ) | [slot] |
Set the current time.
This is the same as QwtAnalogClock::setTime(), but Qt < 3.0 can't handle default parameters for slots.
Definition at line 142 of file qwt_analog_clock.cpp.
References setTime().
| void QwtAnalogClock::setTime | ( | const QTime & | time = QTime::currentTime() |
) | [slot] |
Set a time
| time | Time to display |
Definition at line 151 of file qwt_analog_clock.cpp.
References QwtAbstractSlider::setValid(), and QwtAbstractSlider::setValue().
Referenced by setCurrentTime().
| QwtText QwtAnalogClock::scaleLabel | ( | double | value | ) | const [protected, virtual] |
Find the scale label for a given value
| value | Value |
Reimplemented from QwtDial.
Definition at line 168 of file qwt_analog_clock.cpp.
| void QwtAnalogClock::drawNeedle | ( | QPainter * | painter, | |
| const QPoint & | center, | |||
| int | radius, | |||
| double | direction, | |||
| QPalette::ColorGroup | cg | |||
| ) | const [protected, virtual] |
Draw the needle.
A clock has no single needle but three hands instead. drawNeedle translates value() into directions for the hands and calls drawHand().
| painter | Painter | |
| center | Center of the clock | |
| radius | Maximum length for the hands | |
| direction | Dummy, not used. | |
| cg | ColorGroup |
Reimplemented from QwtDial.
Definition at line 191 of file qwt_analog_clock.cpp.
References drawHand(), QwtAbstractSlider::isValid(), QwtDial::origin(), and QwtDoubleRange::value().
| void QwtAnalogClock::drawHand | ( | QPainter * | painter, | |
| Hand | hd, | |||
| const QPoint & | center, | |||
| int | radius, | |||
| double | direction, | |||
| QPalette::ColorGroup | cg | |||
| ) | const [protected, virtual] |
Draw a clock hand
| 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 |
Definition at line 220 of file qwt_analog_clock.cpp.
References QwtDialNeedle::draw(), hand(), and QwtDial::needle().
Referenced by drawNeedle().
1.5.5