~oif-team/ubuntu/natty/qt4-x11/xi2.1

<td width="1">  </td><td class="postheader" valign="center"><a href="index.html"><font color="#004faf">Home</font></a> · <a href="classes.html"><font color="#004faf">All Classes</font></a> · <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> · <a href="annotated.html"><font color="#004faf">Annotated</font></a> · <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> · <a href="functions.html"><font color="#004faf">Functions</font></a></td>

<td align="right" valign="top" width="230"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></td></tr></table><h1 align="center">analogclock.cpp Example File<br /><small><small>widgets/analogclock/analogclock.cpp</small></small></h1>

<pre>  /****************************************************************************

** This file is part of the documentation of the Qt Toolkit.

** This file may be distributed under the terms of the Q Public License

** as defined by Trolltech AS of Norway and appearing in the file

** LICENSE.QPL included in the packaging of this file.

** This file may be distributed and/or modified under the terms of the

** GNU General Public License version 2 as published by the Free Software

** Foundation and appearing in the file LICENSE.GPL included in the

** packaging of this file.

** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for

** information about Qt Commercial License Agreements.

** See http://www.trolltech.com/qpl/ for QPL licensing information.

** See http://www.trolltech.com/gpl/ for GPL licensing information.

** Contact info@trolltech.com if any conditions of this licensing are

** not clear to you.

** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE

** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

****************************************************************************/

#include <QtGui>

#include "analogclock.h"

AnalogClock::AnalogClock(QWidget *parent)

: QWidget(parent)

{

QTimer *timer = new QTimer(this);

connect(timer, SIGNAL(timeout()), this, SLOT(update()));

timer->start(1000);

setWindowTitle(tr("Analog Clock"));

resize(200, 200);

}

void AnalogClock::paintEvent(QPaintEvent *)

{

static const int hourHand[6] = { 7, 8, -7, 8, 0, -40 };

static const int minuteHand[6] = { 7, 8, -7, 8, 0, -70 };

QColor hourColor(127, 0, 127);

QColor minuteColor(0, 127, 127, 191);

int side = qMin(width(), height());

QTime time = QTime::currentTime();

QPainter painter(this);

painter.setRenderHint(QPainter::Antialiasing);

painter.translate(width() / 2, height() / 2);

painter.scale(side / 200.0, side / 200.0);

painter.setPen(Qt::NoPen);

painter.setBrush(hourColor);

painter.save();

painter.rotate(30.0 * ((time.hour() + time.minute() / 60.0)));

painter.drawConvexPolygon(QPolygon(3, hourHand));

painter.restore();

painter.setPen(hourColor);

for (int i = 0; i < 12; ++i) {

painter.drawLine(88, 0, 96, 0);

painter.rotate(30.0);

}

painter.setPen(Qt::NoPen);

painter.setBrush(minuteColor);

painter.save();

painter.rotate(6.0 * (time.minute() + time.second() / 60.0));

painter.drawConvexPolygon(QPolygon(3, minuteHand));

painter.restore();

100

101

painter.setPen(minuteColor);

102

103

for (int j = 0; j < 60; ++j) {

104

if ((j % 5) != 0)

105

painter.drawLine(92, 0, 96, 0);

106

painter.rotate(6.0);

107

}

108

}</pre>

109

110

111

112

<td width="40%" align="center"><a href="trademarks.html">Trademarks</a></td>

113

114

</tr></table></div></address></body>

115

</html>

Older »