doc/html/t8-cannon-cpp.html


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87

<!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:865 -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>t8/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&nbsp;Classes</font></a>
 | <a href="mainclasses.html">
<font color="#004faf">Main&nbsp;Classes</font></a>
 | <a href="annotated.html">
<font color="#004faf">Annotated</font></a>
 | <a href="groups.html">
<font color="#004faf">Grouped&nbsp;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>t8/cannon.cpp Example File</h1>

 
<pre>/****************************************************************
**
** Implementation CannonField class, TQt tutorial 8
**
****************************************************************/

#include "cannon.h"
#include &lt;<a href="qpainter-h.html">ntqpainter.h</a>&gt;


<a name="f34"></a>CannonField::CannonField( <a href="tqwidget.html">TQWidget</a> *parent, const char *name )
        : <a href="tqwidget.html">TQWidget</a>( parent, name )
{
    ang = 45;
    <a href="tqwidget.html#setPalette">setPalette</a>( TQPalette( TQColor( 250, 250, 200) ) );
}


void <a name="f35"></a>CannonField::setAngle( int degrees )
{
    if ( degrees &lt; 5 )
        degrees = 5;
    if ( degrees &gt; 70 )
        degrees = 70;
    if ( ang == degrees )
        return;
    ang = degrees;
    <a href="tqwidget.html#repaint">repaint</a>();
    emit angleChanged( ang );
}


void CannonField::<a href="tqwidget.html#paintEvent">paintEvent</a>( <a href="qpaintevent.html">TQPaintEvent</a> * )
{
    <a href="ntqstring.html">TQString</a> s = "Angle = " + TQString::number( ang );
    <a href="ntqpainter.html">TQPainter</a> p( this );
    p.<a href="ntqpainter.html#drawText">drawText</a>( 200, 200, s );
}


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 &copy; 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>