Sources_For_Linux/Qwt/doc/man/man3/QwtAnalogClock.3

.TH "QwtAnalogClock" 3 "Mon Dec 28 2020" "Version 6.1.6" "Qwt User's Guide" \" -*- nroff -*-
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.SH NAME
QwtAnalogClock \- An analog clock\&.  

.SH SYNOPSIS
.br
.PP
.PP
\fC#include <qwt_analog_clock\&.h>\fP
.PP
Inherits \fBQwtDial\fP\&.
.SS "Public Types"

.in +1c
.ti -1c
.RI "enum \fBHand\fP { \fBSecondHand\fP, \fBMinuteHand\fP, \fBHourHand\fP, \fBNHands\fP }"
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.SS "Public Slots"

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.RI "void \fBsetCurrentTime\fP ()"
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.RI "Set the current time\&. "
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.RI "void \fBsetTime\fP (const QTime &)"
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.SS "Public Member Functions"

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.RI "\fBQwtAnalogClock\fP (QWidget *parent=NULL)"
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.RI "virtual \fB~QwtAnalogClock\fP ()"
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.RI "Destructor\&. "
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.RI "void \fBsetHand\fP (\fBHand\fP, \fBQwtDialNeedle\fP *)"
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.RI "const \fBQwtDialNeedle\fP * \fBhand\fP (\fBHand\fP) const"
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.RI "\fBQwtDialNeedle\fP * \fBhand\fP (\fBHand\fP)"
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.SS "Protected Member Functions"

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.ti -1c
.RI "virtual void \fBdrawNeedle\fP (QPainter *, const QPointF &, double radius, double direction, QPalette::ColorGroup) const"
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.RI "Draw the needle\&. "
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.RI "virtual void \fBdrawHand\fP (QPainter *, \fBHand\fP, const QPointF &, double radius, double direction, QPalette::ColorGroup) const"
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.in -1c
.SS "Additional Inherited Members"
.SH "Detailed Description"
.PP 
An analog clock\&. 


.PP
\fBExample\fP
.RS 4

.PP
.nf
#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);

.fi
.PP
.RE
.PP
\fBNote\fP
.RS 4
The examples/dials example shows how to use \fBQwtAnalogClock\fP\&. 
.RE
.PP

.SH "Member Enumeration Documentation"
.PP 
.SS "enum \fBQwtAnalogClock::Hand\fP"
Hand type 
.PP
\fBSee also\fP
.RS 4
\fBsetHand()\fP, \fBhand()\fP 
.RE
.PP

.PP
\fBEnumerator\fP
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.TP
\fB\fISecondHand \fP\fP
Needle displaying the seconds\&. 
.TP
\fB\fIMinuteHand \fP\fP
Needle displaying the minutes\&. 
.TP
\fB\fIHourHand \fP\fP
Needle displaying the hours\&. 
.TP
\fB\fINHands \fP\fP
Number of needles\&. 
.SH "Constructor & Destructor Documentation"
.PP 
.SS "QwtAnalogClock::QwtAnalogClock (QWidget * parent = \fCNULL\fP)\fC [explicit]\fP"
Constructor 
.PP
\fBParameters\fP
.RS 4
\fIparent\fP Parent widget 
.RE
.PP

.SH "Member Function Documentation"
.PP 
.SS "void QwtAnalogClock::drawHand (QPainter * painter, \fBHand\fP hd, const QPointF & center, double radius, double direction, QPalette::ColorGroup cg) const\fC [protected]\fP, \fC [virtual]\fP"
Draw a clock hand
.PP
\fBParameters\fP
.RS 4
\fIpainter\fP Painter 
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\fIhd\fP Specify the type of hand 
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\fIcenter\fP Center of the clock 
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\fIradius\fP Maximum length for the hands 
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\fIdirection\fP Direction of the hand in degrees, counter clockwise 
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\fIcg\fP ColorGroup 
.RE
.PP

.SS "void QwtAnalogClock::drawNeedle (QPainter * painter, const QPointF & center, double radius, double dir, QPalette::ColorGroup colorGroup) const\fC [protected]\fP, \fC [virtual]\fP"

.PP
Draw the needle\&. A clock has no single needle but three hands instead\&. \fBdrawNeedle()\fP translates \fBvalue()\fP into directions for the hands and calls \fBdrawHand()\fP\&.
.PP
\fBParameters\fP
.RS 4
\fIpainter\fP Painter 
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\fIcenter\fP Center of the clock 
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\fIradius\fP Maximum length for the hands 
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\fIdir\fP Dummy, not used\&. 
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\fIcolorGroup\fP ColorGroup
.RE
.PP
\fBSee also\fP
.RS 4
\fBdrawHand()\fP 
.RE
.PP

.PP
Reimplemented from \fBQwtDial\fP\&.
.SS "\fBQwtDialNeedle\fP * QwtAnalogClock::hand (\fBHand\fP hd)"

.PP
\fBReturns\fP
.RS 4
Clock hand 
.RE
.PP
\fBParameters\fP
.RS 4
\fIhd\fP Specifies the type of hand 
.RE
.PP
\fBSee also\fP
.RS 4
\fBsetHand()\fP 
.RE
.PP

.SS "const \fBQwtDialNeedle\fP * QwtAnalogClock::hand (\fBHand\fP hd) const"

.PP
\fBReturns\fP
.RS 4
Clock hand 
.RE
.PP
\fBParameters\fP
.RS 4
\fIhd\fP Specifies the type of hand 
.RE
.PP
\fBSee also\fP
.RS 4
\fBsetHand()\fP 
.RE
.PP

.SS "void QwtAnalogClock::setHand (\fBHand\fP hand, \fBQwtDialNeedle\fP * needle)"
Set a clock hand 
.PP
\fBParameters\fP
.RS 4
\fIhand\fP Specifies the type of hand 
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\fIneedle\fP Hand 
.RE
.PP
\fBSee also\fP
.RS 4
\fBhand()\fP 
.RE
.PP

.SS "void QwtAnalogClock::setTime (const QTime & time)\fC [slot]\fP"
Set a time 
.PP
\fBParameters\fP
.RS 4
\fItime\fP Time to display 
.RE
.PP


.SH "Author"
.PP 
Generated automatically by Doxygen for Qwt User's Guide from the source code\&.