You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
123 lines
4.3 KiB
123 lines
4.3 KiB
<!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/doc/tutorial.doc:1301 -->
|
|
<html>
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
|
|
<title>t10/cannon.cpp Example File</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>t10/cannon.cpp Example File</h1>
|
|
|
|
|
|
<pre>/****************************************************************
|
|
**
|
|
** Implementation CannonField class, TQt tutorial 10
|
|
**
|
|
****************************************************************/
|
|
|
|
#include "cannon.h"
|
|
#include <<a href="tqpainter-h.html">tqpainter.h</a>>
|
|
#include <<a href="qpixmap-h.html">ntqpixmap.h</a>>
|
|
|
|
|
|
<a name="f48"></a>CannonField::CannonField( <a href="tqwidget.html">TQWidget</a> *parent, const char *name )
|
|
: <a href="tqwidget.html">TQWidget</a>( parent, name )
|
|
{
|
|
ang = 45;
|
|
f = 0;
|
|
<a href="tqwidget.html#setPalette">setPalette</a>( TQPalette( TQColor( 250, 250, 200) ) );
|
|
}
|
|
|
|
|
|
void <a name="f49"></a>CannonField::setAngle( int degrees )
|
|
{
|
|
if ( degrees < 5 )
|
|
degrees = 5;
|
|
if ( degrees > 70 )
|
|
degrees = 70;
|
|
if ( ang == degrees )
|
|
return;
|
|
ang = degrees;
|
|
<a href="tqwidget.html#repaint">repaint</a>( cannonRect(), FALSE );
|
|
emit angleChanged( ang );
|
|
}
|
|
|
|
|
|
void <a name="f50"></a>CannonField::setForce( int newton )
|
|
{
|
|
if ( newton < 0 )
|
|
newton = 0;
|
|
if ( f == newton )
|
|
return;
|
|
f = newton;
|
|
emit forceChanged( f );
|
|
}
|
|
|
|
|
|
void CannonField::<a href="tqwidget.html#paintEvent">paintEvent</a>( <a href="tqpaintevent.html">TQPaintEvent</a> *e )
|
|
{
|
|
if ( !e-><a href="tqpaintevent.html#rect">rect</a>().intersects( cannonRect() ) )
|
|
return;
|
|
|
|
<a href="ntqrect.html">TQRect</a> cr = cannonRect();
|
|
<a href="ntqpixmap.html">TQPixmap</a> pix( cr.<a href="ntqrect.html#size">size</a>() );
|
|
pix.<a href="ntqpixmap.html#fill">fill</a>( this, cr.<a href="ntqrect.html#topLeft">topLeft</a>() );
|
|
|
|
<a href="tqpainter.html">TQPainter</a> p( &pix );
|
|
p.<a href="tqpainter.html#setBrush">setBrush</a>( blue );
|
|
p.<a href="tqpainter.html#setPen">setPen</a>( NoPen );
|
|
p.<a href="tqpainter.html#translate">translate</a>( 0, pix.<a href="ntqpixmap.html#height">height</a>() - 1 );
|
|
p.<a href="tqpainter.html#drawPie">drawPie</a>( TQRect( -35,-35, 70, 70 ), 0, 90*16 );
|
|
p.<a href="tqpainter.html#rotate">rotate</a>( -ang );
|
|
p.<a href="tqpainter.html#drawRect">drawRect</a>( TQRect(33, -4, 15, 8) );
|
|
p.<a href="tqpainter.html#end">end</a>();
|
|
|
|
p.<a href="tqpainter.html#begin">begin</a>( this );
|
|
p.<a href="tqpainter.html#drawPixmap">drawPixmap</a>( cr.<a href="ntqrect.html#topLeft">topLeft</a>(), pix );
|
|
}
|
|
|
|
|
|
TQRect <a name="f51"></a>CannonField::cannonRect() const
|
|
{
|
|
<a href="ntqrect.html">TQRect</a> r( 0, 0, 50, 50 );
|
|
r.<a href="ntqrect.html#moveBottomLeft">moveBottomLeft</a>( <a href="tqwidget.html#rect">rect</a>().bottomLeft() );
|
|
return r;
|
|
}
|
|
|
|
|
|
TQSizePolicy CannonField::<a href="tqwidget.html#sizePolicy">sizePolicy</a>() const
|
|
{
|
|
return TQSizePolicy( TQSizePolicy::Expanding, TQSizePolicy::Expanding );
|
|
}
|
|
</pre><!-- 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>
|