/usr/share/qt3/doc/html/splitter-example.html

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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 &lt;<a href="qapplication-h.html">qapplication.h</a>&gt;
#include &lt;<a href="qlabel-h.html">qlabel.h</a>&gt;
#include &lt;<a href="qsplitter-h.html">qsplitter.h</a>&gt;
#include &lt;<a href="qmultilineedit-h.html">qmultilineedit.h</a>&gt;

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


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-&gt;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-&gt;<a href="qwidget.html#setBackgroundColor">setBackgroundColor</a>( Qt::blue.light( 180 ) );
<a name="x1306"></a>    t1-&gt;<a href="qwidget.html#setMinimumSize">setMinimumSize</a>( 50, 0 );

    Test *t2 = new Test( s2, "topRight" );
    t2-&gt;<a href="qwidget.html#setBackgroundColor">setBackgroundColor</a>( Qt::green.light( 180 ) );
<a name="x1301"></a>    s2-&gt;<a href="qsplitter.html#setResizeMode">setResizeMode</a>( t2, QSplitter::KeepSize );
<a name="x1299"></a>    s2-&gt;<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-&gt;<a href="qwidget.html#setBackgroundColor">setBackgroundColor</a>( Qt::red );
    Test *t4 = new Test( s3, "bottomMiddle" );
    t4-&gt;<a href="qwidget.html#setBackgroundColor">setBackgroundColor</a>( Qt::white );

    Test *t5 = new Test( s3, "bottomRight" );
<a name="x1305"></a>    t5-&gt;<a href="qwidget.html#setMaximumHeight">setMaximumHeight</a>( 250 );
    t5-&gt;<a href="qwidget.html#setMinimumSize">setMinimumSize</a>( 80, 50 );
    t5-&gt;<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-&gt;<a href="qsplitter.html#setOpaqueResize">setOpaqueResize</a>( TRUE );
#endif
    s2-&gt;<a href="qsplitter.html#setOpaqueResize">setOpaqueResize</a>( TRUE );
    s3-&gt;<a href="qsplitter.html#setOpaqueResize">setOpaqueResize</a>( TRUE );

    a.<a href="qapplication.html#setMainWidget">setMainWidget</a>( s1 );
    s1-&gt;<a href="qwidget.html#setCaption">setCaption</a>("Qt Example - Splitters");
    s1-&gt;<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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qt3-doc 3:3.3.8-b-8ubuntu3 / usr / share / qt3 / doc / html / splitter-example.html
