|
|
|
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
|
|
|
|
|
<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/examples/aclock/aclock.doc:4 -->
|
|
|
|
|
<html>
|
|
|
|
|
<head>
|
|
|
|
|
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
|
|
|
|
|
<title>Analog Clock</title>
|
|
|
|
|
<style type="text/css"><!--
|
|
|
|
|
fn { margin-left: 1cm; text-indent: -1cm; }
|
|
|
|
|
a:link { color: #004faf; text-decoration: none }
|
|
|
|
|
a:visited { color: #672967; text-decoration: none }
|
|
|
|
|
body { background: #ffffff; color: black; }
|
|
|
|
|
--></style>
|
|
|
|
|
</head>
|
|
|
|
|
<body>
|
|
|
|
|
|
|
|
|
|
<table border="0" cellpadding="0" cellspacing="0" width="100%">
|
|
|
|
|
<tr bgcolor="#E5E5E5">
|
|
|
|
|
<td 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="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>Analog Clock</h1>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<p>
|
|
|
|
|
This example displays an analog clock widget.
|
|
|
|
|
<p> <hr>
|
|
|
|
|
<p> Header file:
|
|
|
|
|
<p> <pre>/****************************************************************************
|
|
|
|
|
** $Id: qt/aclock.h 3.3.8 edited Jan 11 14:36 $
|
|
|
|
|
**
|
|
|
|
|
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
|
|
|
|
|
**
|
|
|
|
|
** This file is part of an example program for TQt. This example
|
|
|
|
|
** program may be used, distributed and modified without limitation.
|
|
|
|
|
**
|
|
|
|
|
*****************************************************************************/
|
|
|
|
|
|
|
|
|
|
#ifndef ACLOCK_H
|
|
|
|
|
#define ACLOCK_H
|
|
|
|
|
|
|
|
|
|
#include <<a href="tqwidget-h.html">tqwidget.h</a>>
|
|
|
|
|
#include <<a href="tqdatetime-h.html">tqdatetime.h</a>>
|
|
|
|
|
|
|
|
|
|
class TQTimer;
|
|
|
|
|
class AnalogClock : public <a href="tqwidget.html">TQWidget</a> // analog clock widget
|
|
|
|
|
{
|
|
|
|
|
<a href="metaobjects.html#TQ_OBJECT">TQ_OBJECT</a>
|
|
|
|
|
public:
|
|
|
|
|
AnalogClock( <a href="tqwidget.html">TQWidget</a> *parent=0, const char *name=0 );
|
|
|
|
|
void setAutoMask(bool b);
|
|
|
|
|
|
|
|
|
|
protected:
|
|
|
|
|
void updateMask();
|
|
|
|
|
void paintEvent( <a href="tqpaintevent.html">TQPaintEvent</a> *);
|
|
|
|
|
void mousePressEvent( <a href="qmouseevent.html">TQMouseEvent</a> *);
|
|
|
|
|
void mouseMoveEvent( <a href="qmouseevent.html">TQMouseEvent</a> *);
|
|
|
|
|
void drawClock( <a href="tqpainter.html">TQPainter</a>* );
|
|
|
|
|
|
|
|
|
|
private slots:
|
|
|
|
|
void timeout();
|
|
|
|
|
|
|
|
|
|
public slots:
|
|
|
|
|
void setTime( const <a href="tqtime.html">TQTime</a> & t );
|
|
|
|
|
|
|
|
|
|
private:
|
|
|
|
|
<a href="tqpoint.html">TQPoint</a> clickPos;
|
|
|
|
|
<a href="tqtime.html">TQTime</a> time;
|
|
|
|
|
<a href="tqtimer.html">TQTimer</a> *internalTimer;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#endif // ACLOCK_H
|
|
|
|
|
</pre>
|
|
|
|
|
|
|
|
|
|
<p> <hr>
|
|
|
|
|
<p> Implementation:
|
|
|
|
|
<p> <pre>/****************************************************************************
|
|
|
|
|
** $Id: qt/aclock.cpp 3.3.8 edited Jan 11 14:36 $
|
|
|
|
|
**
|
|
|
|
|
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
|
|
|
|
|
**
|
|
|
|
|
** This file is part of an example program for TQt. This example
|
|
|
|
|
** program may be used, distributed and modified without limitation.
|
|
|
|
|
**
|
|
|
|
|
*****************************************************************************/
|
|
|
|
|
|
|
|
|
|
#include "aclock.h"
|
|
|
|
|
#include <<a href="tqtimer-h.html">tqtimer.h</a>>
|
|
|
|
|
#include <<a href="tqpainter-h.html">tqpainter.h</a>>
|
|
|
|
|
#include <<a href="tqbitmap-h.html">tqbitmap.h</a>>
|
|
|
|
|
|
|
|
|
|
//
|
|
|
|
|
// Constructs an analog clock widget that uses an internal TQTimer.
|
|
|
|
|
//
|
|
|
|
|
|
|
|
|
|
<a name="f384"></a>AnalogClock::AnalogClock( <a href="tqwidget.html">TQWidget</a> *parent, const char *name )
|
|
|
|
|
: <a href="tqwidget.html">TQWidget</a>( parent, name )
|
|
|
|
|
{
|
|
|
|
|
<a name="x1201"></a> time = TQTime::<a href="tqtime.html#currentTime">currentTime</a>(); // get current time
|
|
|
|
|
internalTimer = new <a href="tqtimer.html">TQTimer</a>( this ); // create internal timer
|
|
|
|
|
<a name="x1205"></a> <a href="tqobject.html#connect">connect</a>( internalTimer, TQ_SIGNAL(<a href="tqtimer.html#timeout">timeout</a>()), TQ_SLOT(timeout()) );
|
|
|
|
|
<a name="x1204"></a> internalTimer-><a href="tqtimer.html#start">start</a>( 5000 ); // emit signal every 5 seconds
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void AnalogClock::<a href="tqwidget.html#mousePressEvent">mousePressEvent</a>( <a href="qmouseevent.html">TQMouseEvent</a> *e )
|
|
|
|
|
{
|
|
|
|
|
if(<a href="tqwidget.html#isTopLevel">isTopLevel</a>())
|
|
|
|
|
clickPos = e-><a href="qmouseevent.html#pos">pos</a>() + TQPoint(<a href="tqwidget.html#geometry">geometry</a>().topLeft() - frameGeometry().topLeft());
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
<a name="x1206"></a>void AnalogClock::<a href="tqwidget.html#mouseMoveEvent">mouseMoveEvent</a>( <a href="qmouseevent.html">TQMouseEvent</a> *e )
|
|
|
|
|
{
|
|
|
|
|
if(<a href="tqwidget.html#isTopLevel">isTopLevel</a>())
|
|
|
|
|
<a name="x1181"></a> <a href="tqwidget.html#move">move</a>( e-><a href="qmouseevent.html#globalPos">globalPos</a>() - clickPos );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//
|
|
|
|
|
// The TQTimer::timeout() signal is received by this slot.
|
|
|
|
|
//
|
|
|
|
|
|
|
|
|
|
//
|
|
|
|
|
// When we set an explicit time we don't want the timeout() slot to be
|
|
|
|
|
// called anymore as this relies on currentTime()
|
|
|
|
|
//
|
|
|
|
|
void <a name="f385"></a>AnalogClock::setTime( const <a href="tqtime.html">TQTime</a> & t )
|
|
|
|
|
{
|
|
|
|
|
time = t;
|
|
|
|
|
<a href="tqobject.html#disconnect">disconnect</a>( internalTimer, TQ_SIGNAL(<a href="tqtimer.html#timeout">timeout</a>()), this, TQ_SLOT(timeout()) );
|
|
|
|
|
if (<a href="tqwidget.html#autoMask">autoMask</a>())
|
|
|
|
|
<a href="tqwidget.html#updateMask">updateMask</a>();
|
|
|
|
|
else
|
|
|
|
|
<a href="tqwidget.html#update">update</a>();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void <a name="f386"></a>AnalogClock::timeout()
|
|
|
|
|
{
|
|
|
|
|
<a href="tqtime.html">TQTime</a> old_time = time;
|
|
|
|
|
time = TQTime::<a href="tqtime.html#currentTime">currentTime</a>();
|
|
|
|
|
<a name="x1203"></a> if ( old_time.<a href="tqtime.html#minute">minute</a>() != time.minute()
|
|
|
|
|
<a name="x1202"></a> || old_time.<a href="tqtime.html#hour">hour</a>() != time.hour() ) { // minute or hour has changed
|
|
|
|
|
if (<a href="tqwidget.html#autoMask">autoMask</a>())
|
|
|
|
|
<a href="tqwidget.html#updateMask">updateMask</a>();
|
|
|
|
|
else
|
|
|
|
|
<a href="tqwidget.html#update">update</a>();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void AnalogClock::<a href="tqwidget.html#paintEvent">paintEvent</a>( <a href="tqpaintevent.html">TQPaintEvent</a> * )
|
|
|
|
|
{
|
|
|
|
|
if ( <a href="tqwidget.html#autoMask">autoMask</a>() )
|
|
|
|
|
return;
|
|
|
|
|
<a href="tqpainter.html">TQPainter</a> paint( this );
|
|
|
|
|
<a name="x1190"></a> paint.<a href="tqpainter.html#setBrush">setBrush</a>( <a href="tqwidget.html#colorGroup">colorGroup</a>().foreground() );
|
|
|
|
|
drawClock( &paint );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// If the clock is transparent, we use updateMask()
|
|
|
|
|
// instead of paintEvent()
|
|
|
|
|
|
|
|
|
|
void AnalogClock::updateMask() // paint clock mask
|
|
|
|
|
{
|
|
|
|
|
<a href="tqbitmap.html">TQBitmap</a> bm( <a href="tqwidget.html#size">size</a>() );
|
|
|
|
|
bm.<a href="tqpixmap.html#fill">fill</a>( color0 ); //transparent
|
|
|
|
|
|
|
|
|
|
<a href="tqpainter.html">TQPainter</a> paint;
|
|
|
|
|
<a name="x1183"></a> paint.<a href="tqpainter.html#begin">begin</a>( &bm, this );
|
|
|
|
|
paint.<a href="tqpainter.html#setBrush">setBrush</a>( color1 ); // use non-transparent color
|
|
|
|
|
paint.<a href="tqpainter.html#setPen">setPen</a>( color1 );
|
|
|
|
|
|
|
|
|
|
drawClock( &paint );
|
|
|
|
|
|
|
|
|
|
<a name="x1186"></a> paint.<a href="tqpainter.html#end">end</a>();
|
|
|
|
|
<a href="tqwidget.html#setMask">setMask</a>( bm );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//
|
|
|
|
|
// The clock is painted using a 1000x1000 square coordinate system, in
|
|
|
|
|
// the a centered square, as big as possible. The painter's pen and
|
|
|
|
|
// brush colors are used.
|
|
|
|
|
//
|
|
|
|
|
void <a name="f387"></a>AnalogClock::drawClock( <a href="tqpainter.html">TQPainter</a> *paint )
|
|
|
|
|
{
|
|
|
|
|
<a name="x1189"></a> paint-><a href="tqpainter.html#save">save</a>();
|
|
|
|
|
|
|
|
|
|
<a name="x1193"></a> paint-><a href="tqpainter.html#setWindow">setWindow</a>( -500,-500, 1000,1000 );
|
|
|
|
|
|
|
|
|
|
<a name="x1194"></a> <a href="tqrect.html">TQRect</a> v = paint-><a href="tqpainter.html#viewport">viewport</a>();
|
|
|
|
|
int d = TQMIN( v.<a href="tqrect.html#width">width</a>(), v.<a href="tqrect.html#height">height</a>() );
|
|
|
|
|
<a name="x1198"></a><a name="x1192"></a> paint-><a href="tqpainter.html#setViewport">setViewport</a>( v.<a href="tqrect.html#left">left</a>() + (v.<a href="tqrect.html#width">width</a>()-d)/2,
|
|
|
|
|
<a name="x1199"></a> v.<a href="tqrect.html#top">top</a>() + (v.<a href="tqrect.html#height">height</a>()-d)/2, d, d );
|
|
|
|
|
|
|
|
|
|
<a href="tqpointarray.html">TQPointArray</a> pts;
|
|
|
|
|
|
|
|
|
|
paint-><a href="tqpainter.html#save">save</a>();
|
|
|
|
|
<a name="x1188"></a> paint-><a href="tqpainter.html#rotate">rotate</a>( 30*(time.hour()%12-3) + time.minute()/2 );
|
|
|
|
|
<a name="x1196"></a> pts.setPoints( 4, -20,0, 0,-20, 300,0, 0,20 );
|
|
|
|
|
<a name="x1184"></a> paint-><a href="tqpainter.html#drawConvexPolygon">drawConvexPolygon</a>( pts );
|
|
|
|
|
<a name="x1187"></a> paint-><a href="tqpainter.html#restore">restore</a>();
|
|
|
|
|
|
|
|
|
|
paint-><a href="tqpainter.html#save">save</a>();
|
|
|
|
|
paint-><a href="tqpainter.html#rotate">rotate</a>( (time.minute()-15)*6 );
|
|
|
|
|
pts.setPoints( 4, -10,0, 0,-10, 400,0, 0,10 );
|
|
|
|
|
paint-><a href="tqpainter.html#drawConvexPolygon">drawConvexPolygon</a>( pts );
|
|
|
|
|
paint-><a href="tqpainter.html#restore">restore</a>();
|
|
|
|
|
|
|
|
|
|
for ( int i=0; i<12; i++ ) {
|
|
|
|
|
<a name="x1185"></a> paint-><a href="tqpainter.html#drawLine">drawLine</a>( 440,0, 460,0 );
|
|
|
|
|
paint-><a href="tqpainter.html#rotate">rotate</a>( 30 );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
paint-><a href="tqpainter.html#restore">restore</a>();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<a name="x1209"></a>void AnalogClock::<a href="tqwidget.html#setAutoMask">setAutoMask</a>(bool b)
|
|
|
|
|
{
|
|
|
|
|
if (b)
|
|
|
|
|
<a href="tqwidget.html#setBackgroundMode">setBackgroundMode</a>( PaletteForeground );
|
|
|
|
|
else
|
|
|
|
|
<a href="tqwidget.html#setBackgroundMode">setBackgroundMode</a>( PaletteBackground );
|
|
|
|
|
TQWidget::<a href="tqwidget.html#setAutoMask">setAutoMask</a>(b);
|
|
|
|
|
}
|
|
|
|
|
</pre>
|
|
|
|
|
|
|
|
|
|
<p> <hr>
|
|
|
|
|
<p> Main:
|
|
|
|
|
<p> <pre>/****************************************************************************
|
|
|
|
|
** $Id: qt/main.cpp 3.3.8 edited Jan 11 14:36 $
|
|
|
|
|
**
|
|
|
|
|
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
|
|
|
|
|
**
|
|
|
|
|
** This file is part of an example program for TQt. This example
|
|
|
|
|
** program may be used, distributed and modified without limitation.
|
|
|
|
|
**
|
|
|
|
|
*****************************************************************************/
|
|
|
|
|
|
|
|
|
|
#include "aclock.h"
|
|
|
|
|
#include <<a href="qapplication-h.html">ntqapplication.h</a>>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
int main( int argc, char **argv )
|
|
|
|
|
{
|
|
|
|
|
<a href="ntqapplication.html">TQApplication</a> a( argc, argv );
|
|
|
|
|
AnalogClock *clock = new AnalogClock;
|
|
|
|
|
if ( argc == 2 && strcmp( argv[1], "-transparent" ) == 0 )
|
|
|
|
|
<a name="x1213"></a> clock-><a href="tqwidget.html#setAutoMask">setAutoMask</a>( TRUE );
|
|
|
|
|
<a name="x1212"></a> clock-><a href="tqwidget.html#resize">resize</a>( 100, 100 );
|
|
|
|
|
a.<a href="ntqapplication.html#setMainWidget">setMainWidget</a>( clock );
|
|
|
|
|
<a name="x1214"></a> clock-><a href="tqwidget.html#setCaption">setCaption</a>("TQt Example - Analog Clock");
|
|
|
|
|
<a name="x1215"></a> clock-><a href="tqwidget.html#show">show</a>();
|
|
|
|
|
int result = a.<a href="ntqapplication.html#exec">exec</a>();
|
|
|
|
|
delete clock;
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
</pre>
|
|
|
|
|
|
|
|
|
|
<p>See also <a href="examples.html">Examples</a>.
|
|
|
|
|
|
|
|
|
|
<!-- eof -->
|
|
|
|
|
<p><address><hr><div align=center>
|
|
|
|
|
<table width=100% cellspacing=0 border=0><tr>
|
|
|
|
|
<td>Copyright © 2007
|
|
|
|
|
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
|
|
|
|
|
<td align=right><div align=right>TQt 3.3.8</div>
|
|
|
|
|
</table></div></address></body>
|
|
|
|
|
</html>
|
