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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<title>Splitter</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>Splitter</h1>
<p>
This example shows how to use splitters. With their help users can
decide for themselves how much space each child item should get.
<p> <hr>
<p> Implementation:
<p> <pre>/****************************************************************************
** $Id: qt/splitter.cpp 3.3.8 edited Jan 11 14:37 $
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include <<a href="qapplication-h.html">qapplication.h</a>>
#include <<a href="qlabel-h.html">qlabel.h</a>>
#include <<a href="qsplitter-h.html">qsplitter.h</a>>
#include <<a href="qmultilineedit-h.html">qmultilineedit.h</a>>
#include <<a href="qpainter-h.html">qpainter.h</a>>
class Test : public <a href="qwidget.html">QWidget</a> {
public:
Test(QWidget* parent=0, const char* name=0, int f=0);
void paintEvent(QPaintEvent* e);
private:
};
<a name="f404"></a>Test::Test(QWidget* parent, const char* name, int f) :
<a href="qwidget.html">QWidget</a>(parent, name, f)
{
}
<a name="x1302"></a>void Test::<a href="qwidget.html#paintEvent">paintEvent</a>(QPaintEvent* e)
{
<a href="qpainter.html">QPainter</a> p(this);
<a name="x1298"></a> p.<a href="qpainter.html#setClipRect">setClipRect</a>(e->rect());
const int d = 1000; //large number
int x1 = 0;
int x2 = <a href="qwidget.html#width">width</a>()-1;
int y1 = 0;
int y2 = <a href="qwidget.html#height">height</a>()-1;
int x = (x1+x2)/2;
<a name="x1297"></a> p.<a href="qpainter.html#drawLine">drawLine</a>( x, y1, x+d, y1+d );
p.<a href="qpainter.html#drawLine">drawLine</a>( x, y1, x-d, y1+d );
p.<a href="qpainter.html#drawLine">drawLine</a>( x, y2, x+d, y2-d );
p.<a href="qpainter.html#drawLine">drawLine</a>( x, y2, x-d, y2-d );
int y = (y1+y2)/2;
p.<a href="qpainter.html#drawLine">drawLine</a>( x1, y, x1+d, y+d );
p.<a href="qpainter.html#drawLine">drawLine</a>( x1, y, x1+d, y-d );
p.<a href="qpainter.html#drawLine">drawLine</a>( x2, y, x2-d, y+d );
p.<a href="qpainter.html#drawLine">drawLine</a>( x2, y, x2-d, y-d );
}
int main( int argc, char ** argv )
{
<a href="qapplication.html">QApplication</a> a( argc, argv );
<a href="qsplitter.html">QSplitter</a> *s1 = new <a href="qsplitter.html">QSplitter</a>( QSplitter::Vertical, 0 , "main" );
<a href="qsplitter.html">QSplitter</a> *s2 = new <a href="qsplitter.html">QSplitter</a>( QSplitter::Horizontal, s1, "top" );
Test *t1 = new Test( s2, "topLeft" );
<a name="x1303"></a> t1-><a href="qwidget.html#setBackgroundColor">setBackgroundColor</a>( Qt::blue.light( 180 ) );
<a name="x1306"></a> t1-><a href="qwidget.html#setMinimumSize">setMinimumSize</a>( 50, 0 );
Test *t2 = new Test( s2, "topRight" );
t2-><a href="qwidget.html#setBackgroundColor">setBackgroundColor</a>( Qt::green.light( 180 ) );
<a name="x1301"></a> s2-><a href="qsplitter.html#setResizeMode">setResizeMode</a>( t2, QSplitter::KeepSize );
<a name="x1299"></a> s2-><a href="qsplitter.html#moveToFirst">moveToFirst</a>( t2 );
<a href="qsplitter.html">QSplitter</a> *s3 = new <a href="qsplitter.html">QSplitter</a>( QSplitter::Horizontal, s1, "bottom" );
Test *t3 = new Test( s3, "bottomLeft" );
t3-><a href="qwidget.html#setBackgroundColor">setBackgroundColor</a>( Qt::red );
Test *t4 = new Test( s3, "bottomMiddle" );
t4-><a href="qwidget.html#setBackgroundColor">setBackgroundColor</a>( Qt::white );
Test *t5 = new Test( s3, "bottomRight" );
<a name="x1305"></a> t5-><a href="qwidget.html#setMaximumHeight">setMaximumHeight</a>( 250 );
t5-><a href="qwidget.html#setMinimumSize">setMinimumSize</a>( 80, 50 );
t5-><a href="qwidget.html#setBackgroundColor">setBackgroundColor</a>( Qt::yellow );
#ifdef Q_WS_QWS
// Qt/Embedded XOR drawing not yet implemented.
<a name="x1300"></a> s1-><a href="qsplitter.html#setOpaqueResize">setOpaqueResize</a>( TRUE );
#endif
s2-><a href="qsplitter.html#setOpaqueResize">setOpaqueResize</a>( TRUE );
s3-><a href="qsplitter.html#setOpaqueResize">setOpaqueResize</a>( TRUE );
a.<a href="qapplication.html#setMainWidget">setMainWidget</a>( s1 );
s1-><a href="qwidget.html#setCaption">setCaption</a>("Qt Example - Splitters");
s1-><a href="qwidget.html#show">show</a>();
int result = a.<a href="qapplication.html#exec">exec</a>();
delete s1;
return result;
}
</pre>
<p>See also <a href="examples.html">Examples</a>.
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