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98 lines
3.5 KiB
98 lines
3.5 KiB
<!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:668 -->
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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>t7/main.cpp Example File</title>
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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>t7/main.cpp Example File</h1>
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<pre>/****************************************************************
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**
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** Qt tutorial 7
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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="qvbox-h.html">qvbox.h</a>>
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#include <<a href="qgrid-h.html">qgrid.h</a>>
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#include "lcdrange.h"
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class MyWidget : public <a href="qvbox.html">QVBox</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="f29"></a>MyWidget::MyWidget( <a href="qwidget.html">QWidget</a> *parent, const char *name )
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: <a href="qvbox.html">QVBox</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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<a href="qgrid.html">QGrid</a> *grid = new <a href="qgrid.html">QGrid</a>( 4, this );
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LCDRange *previous = 0;
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for( int r = 0 ; r < 4 ; r++ ) {
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for( int c = 0 ; c < 4 ; c++ ) {
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LCDRange* lr = new LCDRange( grid );
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if ( previous )
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<a href="qobject.html#connect">connect</a>( lr, SIGNAL(valueChanged(int)),
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previous, SLOT(setValue(int)) );
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previous = lr;
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}
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}
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}
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int main( int argc, char **argv )
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{
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<a href="qapplication.html">QApplication</a> a( argc, argv );
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MyWidget w;
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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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