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32<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>t10/main.cpp Example File</h1>
33
34
35<pre>/****************************************************************
36**
37** Qt tutorial 10
38**
39****************************************************************/
40
41#include &lt;<a href="qapplication-h.html">qapplication.h</a>&gt;
42#include &lt;<a href="qpushbutton-h.html">qpushbutton.h</a>&gt;
43#include &lt;<a href="qlcdnumber-h.html">qlcdnumber.h</a>&gt;
44#include &lt;<a href="qfont-h.html">qfont.h</a>&gt;
45#include &lt;<a href="qlayout-h.html">qlayout.h</a>&gt;
46
47#include "lcdrange.h"
48#include "cannon.h"
49
50
51class MyWidget: public <a href="qwidget.html">QWidget</a>
52{
53public:
54 MyWidget( <a href="qwidget.html">QWidget</a> *parent=0, const char *name=0 );
55};
56
57
58<a name="f52"></a>MyWidget::MyWidget( <a href="qwidget.html">QWidget</a> *parent, const char *name )
59 : <a href="qwidget.html">QWidget</a>( parent, name )
60{
61 <a href="qpushbutton.html">QPushButton</a> *quit = new <a href="qpushbutton.html">QPushButton</a>( "&amp;Quit", this, "quit" );
62 quit-&gt;<a href="qwidget.html#setFont">setFont</a>( QFont( "Times", 18, QFont::Bold ) );
63
64 <a href="qobject.html#connect">connect</a>( quit, SIGNAL(<a href="qbutton.html#clicked">clicked</a>()), qApp, SLOT(<a href="qapplication.html#quit">quit</a>()) );
65
66 LCDRange *angle = new LCDRange( this, "angle" );
67 angle-&gt;setRange( 5, 70 );
68
69 LCDRange *force = new LCDRange( this, "force" );
70 force-&gt;setRange( 10, 50 );
71
72 CannonField *cannonField = new CannonField( this, "cannonField" );
73
74 <a href="qobject.html#connect">connect</a>( angle, SIGNAL(valueChanged(int)),
75 cannonField, SLOT(setAngle(int)) );
76 <a href="qobject.html#connect">connect</a>( cannonField, SIGNAL(angleChanged(int)),
77 angle, SLOT(setValue(int)) );
78
79 <a href="qobject.html#connect">connect</a>( force, SIGNAL(valueChanged(int)),
80 cannonField, SLOT(setForce(int)) );
81 <a href="qobject.html#connect">connect</a>( cannonField, SIGNAL(forceChanged(int)),
82 force, SLOT(setValue(int)) );
83
84 <a href="qgridlayout.html">QGridLayout</a> *grid = new <a href="qgridlayout.html">QGridLayout</a>( this, 2, 2, 10 );
85 grid-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( quit, 0, 0 );
86 grid-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( cannonField, 1, 1 );
87 grid-&gt;<a href="qgridlayout.html#setColStretch">setColStretch</a>( 1, 10 );
88
89 <a href="qvboxlayout.html">QVBoxLayout</a> *leftBox = new <a href="qvboxlayout.html">QVBoxLayout</a>;
90 grid-&gt;<a href="qgridlayout.html#addLayout">addLayout</a>( leftBox, 1, 0 );
91 leftBox-&gt;<a href="qboxlayout.html#addWidget">addWidget</a>( angle );
92 leftBox-&gt;<a href="qboxlayout.html#addWidget">addWidget</a>( force );
93
94 angle-&gt;setValue( 60 );
95 force-&gt;setValue( 25 );
96 angle-&gt;<a href="qwidget.html#setFocus">setFocus</a>();
97}
98
99int main( int argc, char **argv )
100{
101 QApplication::<a href="qapplication.html#setColorSpec">setColorSpec</a>( QApplication::CustomColor );
102 <a href="qapplication.html">QApplication</a> a( argc, argv );
103
104 MyWidget w;
105 w.<a href="qwidget.html#setGeometry">setGeometry</a>( 100, 100, 500, 355 );
106 a.<a href="qapplication.html#setMainWidget">setMainWidget</a>( &amp;w );
107 w.<a href="qwidget.html#show">show</a>();
108 return a.<a href="qapplication.html#exec">exec</a>();
109}
110</pre><!-- eof -->
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113<td>Copyright &copy; 2007
114<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
115<td align=right><div align=right>Qt 3.3.8</div>
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