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128 lines
5.5 KiB
128 lines
5.5 KiB
14 years ago
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/doc/tutorial.doc:1504 -->
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>t11/main.cpp Example File</title>
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<style type="text/css"><!--
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fn { margin-left: 1cm; text-indent: -1cm; }
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a:link { color: #004faf; text-decoration: none }
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a:visited { color: #672967; text-decoration: none }
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body { background: #ffffff; color: black; }
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--></style>
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</head>
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<body>
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<table border="0" cellpadding="0" cellspacing="0" width="100%">
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<tr bgcolor="#E5E5E5">
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<td valign=center>
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<a href="index.html">
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<font color="#004faf">Home</font></a>
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| <a href="classes.html">
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<font color="#004faf">All Classes</font></a>
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| <a href="mainclasses.html">
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<font color="#004faf">Main Classes</font></a>
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<font color="#004faf">Annotated</font></a>
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<font color="#004faf">Grouped Classes</font></a>
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| <a href="functions.html">
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<font color="#004faf">Functions</font></a>
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</td>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>t11/main.cpp Example File</h1>
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<pre>/****************************************************************
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**
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** Qt tutorial 11
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**
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****************************************************************/
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#include <<a href="qapplication-h.html">qapplication.h</a>>
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#include <<a href="qpushbutton-h.html">qpushbutton.h</a>>
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#include <<a href="qlcdnumber-h.html">qlcdnumber.h</a>>
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#include <<a href="qfont-h.html">qfont.h</a>>
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#include <<a href="qlayout-h.html">qlayout.h</a>>
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#include "lcdrange.h"
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#include "cannon.h"
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class MyWidget: public <a href="qwidget.html">QWidget</a>
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{
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public:
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MyWidget( <a href="qwidget.html">QWidget</a> *parent=0, const char *name=0 );
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};
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<a name="f66"></a>MyWidget::MyWidget( <a href="qwidget.html">QWidget</a> *parent, const char *name )
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: <a href="qwidget.html">QWidget</a>( parent, name )
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{
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<a href="qpushbutton.html">QPushButton</a> *quit = new <a href="qpushbutton.html">QPushButton</a>( "&Quit", this, "quit" );
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quit-><a href="qwidget.html#setFont">setFont</a>( QFont( "Times", 18, QFont::Bold ) );
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<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>()) );
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LCDRange *angle = new LCDRange( this, "angle" );
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angle->setRange( 5, 70 );
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LCDRange *force = new LCDRange( this, "force" );
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force->setRange( 10, 50 );
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CannonField *cannonField = new CannonField( this, "cannonField" );
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<a href="qobject.html#connect">connect</a>( angle, SIGNAL(valueChanged(int)),
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cannonField, SLOT(setAngle(int)) );
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<a href="qobject.html#connect">connect</a>( cannonField, SIGNAL(angleChanged(int)),
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angle, SLOT(setValue(int)) );
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<a href="qobject.html#connect">connect</a>( force, SIGNAL(valueChanged(int)),
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cannonField, SLOT(setForce(int)) );
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<a href="qobject.html#connect">connect</a>( cannonField, SIGNAL(forceChanged(int)),
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force, SLOT(setValue(int)) );
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<a href="qpushbutton.html">QPushButton</a> *shoot = new <a href="qpushbutton.html">QPushButton</a>( "&Shoot", this, "shoot" );
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shoot-><a href="qwidget.html#setFont">setFont</a>( QFont( "Times", 18, QFont::Bold ) );
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<a href="qobject.html#connect">connect</a>( shoot, SIGNAL(<a href="qbutton.html#clicked">clicked</a>()), cannonField, SLOT(shoot()) );
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<a href="qgridlayout.html">QGridLayout</a> *grid = new <a href="qgridlayout.html">QGridLayout</a>( this, 2, 2, 10 );
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grid-><a href="qgridlayout.html#addWidget">addWidget</a>( quit, 0, 0 );
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grid-><a href="qgridlayout.html#addWidget">addWidget</a>( cannonField, 1, 1 );
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grid-><a href="qgridlayout.html#setColStretch">setColStretch</a>( 1, 10 );
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<a href="qvboxlayout.html">QVBoxLayout</a> *leftBox = new <a href="qvboxlayout.html">QVBoxLayout</a>;
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grid-><a href="qgridlayout.html#addLayout">addLayout</a>( leftBox, 1, 0 );
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leftBox-><a href="qboxlayout.html#addWidget">addWidget</a>( angle );
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leftBox-><a href="qboxlayout.html#addWidget">addWidget</a>( force );
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<a href="qhboxlayout.html">QHBoxLayout</a> *topBox = new <a href="qhboxlayout.html">QHBoxLayout</a>;
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grid-><a href="qgridlayout.html#addLayout">addLayout</a>( topBox, 0, 1 );
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topBox-><a href="qboxlayout.html#addWidget">addWidget</a>( shoot );
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topBox-><a href="qboxlayout.html#addStretch">addStretch</a>( 1 );
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angle->setValue( 60 );
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force->setValue( 25 );
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angle-><a href="qwidget.html#setFocus">setFocus</a>();
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}
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int main( int argc, char **argv )
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{
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QApplication::<a href="qapplication.html#setColorSpec">setColorSpec</a>( QApplication::CustomColor );
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<a href="qapplication.html">QApplication</a> a( argc, argv );
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MyWidget w;
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w.<a href="qwidget.html#setGeometry">setGeometry</a>( 100, 100, 500, 355 );
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a.<a href="qapplication.html#setMainWidget">setMainWidget</a>( &w );
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w.<a href="qwidget.html#show">show</a>();
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return a.<a href="qapplication.html#exec">exec</a>();
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}
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</pre><!-- eof -->
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<p><address><hr><div align=center>
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<table width=100% cellspacing=0 border=0><tr>
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<td>Copyright © 2007
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<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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<td align=right><div align=right>Qt 3.3.8</div>
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</table></div></address></body>
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</html>
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