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| author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-11-08 12:31:36 -0600 |
|---|---|---|
| committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-11-08 12:31:36 -0600 |
| commit | d796c9dd933ab96ec83b9a634feedd5d32e1ba3f (patch) | |
| tree | 6e3dcca4f77e20ec8966c666aac7c35bd4704053 /doc/html/aclock-example.html | |
| download | tqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.tar.gz tqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.zip | |
Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731
Diffstat (limited to 'doc/html/aclock-example.html')
| -rw-r--r-- | doc/html/aclock-example.html | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/doc/html/aclock-example.html b/doc/html/aclock-example.html new file mode 100644 index 000000000..c7c95a236 --- /dev/null +++ b/doc/html/aclock-example.html @@ -0,0 +1,279 @@ +<!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="qwidget-h.html">qwidget.h</a>> +#include <<a href="qdatetime-h.html">qdatetime.h</a>> + +class TQTimer; +class AnalogClock : public <a href="qwidget.html">TQWidget</a> // analog clock widget +{ + <a href="metaobjects.html#Q_OBJECT">Q_OBJECT</a> +public: + AnalogClock( <a href="qwidget.html">TQWidget</a> *parent=0, const char *name=0 ); + void setAutoMask(bool b); + +protected: + void updateMask(); + void paintEvent( <a href="qpaintevent.html">TQPaintEvent</a> *); + void mousePressEvent( <a href="qmouseevent.html">TQMouseEvent</a> *); + void mouseMoveEvent( <a href="qmouseevent.html">TQMouseEvent</a> *); + void drawClock( <a href="qpainter.html">TQPainter</a>* ); + +private slots: + void timeout(); + +public slots: + void setTime( const <a href="qtime.html">TQTime</a> & t ); + +private: + <a href="qpoint.html">TQPoint</a> clickPos; + <a href="qtime.html">TQTime</a> time; + <a href="qtimer.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="qtimer-h.html">qtimer.h</a>> +#include <<a href="qpainter-h.html">qpainter.h</a>> +#include <<a href="qbitmap-h.html">qbitmap.h</a>> + +// +// Constructs an analog clock widget that uses an internal TQTimer. +// + +<a name="f384"></a>AnalogClock::AnalogClock( <a href="qwidget.html">TQWidget</a> *parent, const char *name ) + : <a href="qwidget.html">TQWidget</a>( parent, name ) +{ +<a name="x1201"></a> time = TQTime::<a href="qtime.html#currentTime">currentTime</a>(); // get current time + internalTimer = new <a href="qtimer.html">TQTimer</a>( this ); // create internal timer +<a name="x1205"></a> <a href="qobject.html#connect">connect</a>( internalTimer, SIGNAL(<a href="qtimer.html#timeout">timeout</a>()), SLOT(timeout()) ); +<a name="x1204"></a> internalTimer-><a href="qtimer.html#start">start</a>( 5000 ); // emit signal every 5 seconds +} + +void AnalogClock::<a href="qwidget.html#mousePressEvent">mousePressEvent</a>( <a href="qmouseevent.html">TQMouseEvent</a> *e ) +{ + if(<a href="qwidget.html#isTopLevel">isTopLevel</a>()) + clickPos = e-><a href="qmouseevent.html#pos">pos</a>() + TQPoint(<a href="qwidget.html#geometry">geometry</a>().topLeft() - frameGeometry().topLeft()); +} + +<a name="x1206"></a>void AnalogClock::<a href="qwidget.html#mouseMoveEvent">mouseMoveEvent</a>( <a href="qmouseevent.html">TQMouseEvent</a> *e ) +{ + if(<a href="qwidget.html#isTopLevel">isTopLevel</a>()) +<a name="x1181"></a> <a href="qwidget.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="qtime.html">TQTime</a> & t ) +{ + time = t; + <a href="qobject.html#disconnect">disconnect</a>( internalTimer, SIGNAL(<a href="qtimer.html#timeout">timeout</a>()), this, SLOT(timeout()) ); + if (<a href="qwidget.html#autoMask">autoMask</a>()) + <a href="qwidget.html#updateMask">updateMask</a>(); + else + <a href="qwidget.html#update">update</a>(); +} + + +void <a name="f386"></a>AnalogClock::timeout() +{ + <a href="qtime.html">TQTime</a> old_time = time; + time = TQTime::<a href="qtime.html#currentTime">currentTime</a>(); +<a name="x1203"></a> if ( old_time.<a href="qtime.html#minute">minute</a>() != time.minute() +<a name="x1202"></a> || old_time.<a href="qtime.html#hour">hour</a>() != time.hour() ) { // minute or hour has changed + if (<a href="qwidget.html#autoMask">autoMask</a>()) + <a href="qwidget.html#updateMask">updateMask</a>(); + else + <a href="qwidget.html#update">update</a>(); + } +} + + +void AnalogClock::<a href="qwidget.html#paintEvent">paintEvent</a>( <a href="qpaintevent.html">TQPaintEvent</a> * ) +{ + if ( <a href="qwidget.html#autoMask">autoMask</a>() ) + return; + <a href="qpainter.html">TQPainter</a> paint( this ); +<a name="x1190"></a> paint.<a href="qpainter.html#setBrush">setBrush</a>( <a href="qwidget.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="qbitmap.html">TQBitmap</a> bm( <a href="qwidget.html#size">size</a>() ); + bm.<a href="qpixmap.html#fill">fill</a>( color0 ); //transparent + + <a href="qpainter.html">TQPainter</a> paint; +<a name="x1183"></a> paint.<a href="qpainter.html#begin">begin</a>( &bm, this ); + paint.<a href="qpainter.html#setBrush">setBrush</a>( color1 ); // use non-transparent color + paint.<a href="qpainter.html#setPen">setPen</a>( color1 ); + + drawClock( &paint ); + +<a name="x1186"></a> paint.<a href="qpainter.html#end">end</a>(); + <a href="qwidget.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="qpainter.html">TQPainter</a> *paint ) +{ +<a name="x1189"></a> paint-><a href="qpainter.html#save">save</a>(); + +<a name="x1193"></a> paint-><a href="qpainter.html#setWindow">setWindow</a>( -500,-500, 1000,1000 ); + +<a name="x1194"></a> <a href="qrect.html">TQRect</a> v = paint-><a href="qpainter.html#viewport">viewport</a>(); + int d = TQMIN( v.<a href="qrect.html#width">width</a>(), v.<a href="qrect.html#height">height</a>() ); +<a name="x1198"></a><a name="x1192"></a> paint-><a href="qpainter.html#setViewport">setViewport</a>( v.<a href="qrect.html#left">left</a>() + (v.<a href="qrect.html#width">width</a>()-d)/2, +<a name="x1199"></a> v.<a href="qrect.html#top">top</a>() + (v.<a href="qrect.html#height">height</a>()-d)/2, d, d ); + + <a href="qpointarray.html">TQPointArray</a> pts; + + paint-><a href="qpainter.html#save">save</a>(); +<a name="x1188"></a> paint-><a href="qpainter.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="qpainter.html#drawConvexPolygon">drawConvexPolygon</a>( pts ); +<a name="x1187"></a> paint-><a href="qpainter.html#restore">restore</a>(); + + paint-><a href="qpainter.html#save">save</a>(); + paint-><a href="qpainter.html#rotate">rotate</a>( (time.minute()-15)*6 ); + pts.setPoints( 4, -10,0, 0,-10, 400,0, 0,10 ); + paint-><a href="qpainter.html#drawConvexPolygon">drawConvexPolygon</a>( pts ); + paint-><a href="qpainter.html#restore">restore</a>(); + + for ( int i=0; i<12; i++ ) { +<a name="x1185"></a> paint-><a href="qpainter.html#drawLine">drawLine</a>( 440,0, 460,0 ); + paint-><a href="qpainter.html#rotate">rotate</a>( 30 ); + } + + paint-><a href="qpainter.html#restore">restore</a>(); +} + + +<a name="x1209"></a>void AnalogClock::<a href="qwidget.html#setAutoMask">setAutoMask</a>(bool b) +{ + if (b) + <a href="qwidget.html#setBackgroundMode">setBackgroundMode</a>( PaletteForeground ); + else + <a href="qwidget.html#setBackgroundMode">setBackgroundMode</a>( PaletteBackground ); + TQWidget::<a href="qwidget.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">qapplication.h</a>> + + +int main( int argc, char **argv ) +{ + <a href="qapplication.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="qwidget.html#setAutoMask">setAutoMask</a>( TRUE ); +<a name="x1212"></a> clock-><a href="qwidget.html#resize">resize</a>( 100, 100 ); + a.<a href="qapplication.html#setMainWidget">setMainWidget</a>( clock ); +<a name="x1214"></a> clock-><a href="qwidget.html#setCaption">setCaption</a>("TQt Example - Analog Clock"); +<a name="x1215"></a> clock-><a href="qwidget.html#show">show</a>(); + int result = a.<a href="qapplication.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> |