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+<title>t13/lcdrange.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>t13/lcdrange.cpp Example File</h1>
+
+ 
+<pre>/****************************************************************
+**
+** Implementation of LCDRange class, TQt tutorial 12
+**
+****************************************************************/
+
+#include "lcdrange.h"
+
+#include &lt;<a href="qslider-h.html">qslider.h</a>&gt;
+#include &lt;<a href="qlcdnumber-h.html">qlcdnumber.h</a>&gt;
+#include &lt;<a href="qlabel-h.html">qlabel.h</a>&gt;
+#include &lt;<a href="qlayout-h.html">qlayout.h</a>&gt;
+
+
+<a name="f87"></a>LCDRange::LCDRange( <a href="qwidget.html">TQWidget</a> *parent, const char *name )
+        : <a href="qwidget.html">TQWidget</a>( parent, name )
+{
+    init();
+}
+
+
+LCDRange::LCDRange( const char *s, TQWidget *parent, const char *name )
+        : <a href="qwidget.html">TQWidget</a>( parent, name )
+{
+    init();
+    setText( s );
+}
+
+
+void <a name="f88"></a>LCDRange::init()
+{
+    <a href="qlcdnumber.html">TQLCDNumber</a> *lcd  = new <a href="qlcdnumber.html">TQLCDNumber</a>( 2, this, "lcd"  );
+    slider = new <a href="qslider.html">TQSlider</a>( Horizontal, this, "slider" );
+    slider-&gt;<a href="qrangecontrol.html#setRange">setRange</a>( 0, 99 );
+    slider-&gt;<a href="qslider.html#setValue">setValue</a>( 0 );
+
+    label = new <a href="qlabel.html">TQLabel</a>( " ", this, "label"  );
+    label-&gt;<a href="qlabel.html#setAlignment">setAlignment</a>( AlignCenter );
+
+    <a href="qobject.html#connect">connect</a>( slider, SIGNAL(<a href="qslider.html#valueChanged">valueChanged</a>(int)),
+             lcd, SLOT(<a href="qlcdnumber.html#display">display</a>(int)) );
+    <a href="qobject.html#connect">connect</a>( slider, SIGNAL(<a href="qslider.html#valueChanged">valueChanged</a>(int)),
+             SIGNAL(valueChanged(int)) );
+
+    <a href="qwidget.html#setFocusProxy">setFocusProxy</a>( slider );
+
+    <a href="qvboxlayout.html">TQVBoxLayout</a> * l = new <a href="qvboxlayout.html">TQVBoxLayout</a>( this );
+    l-&gt;<a href="qboxlayout.html#addWidget">addWidget</a>( lcd, 1 );
+    l-&gt;<a href="qboxlayout.html#addWidget">addWidget</a>( slider );
+    l-&gt;<a href="qboxlayout.html#addWidget">addWidget</a>( label );
+}
+
+
+int <a name="f89"></a>LCDRange::value() const
+{
+    return slider-&gt;<a href="qslider.html#value">value</a>();
+}
+
+
+const char *<a name="f90"></a>LCDRange::text() const
+{
+    return label-&gt;<a href="qlabel.html#text">text</a>();
+}
+
+
+void <a name="f91"></a>LCDRange::setValue( int value )
+{
+    slider-&gt;<a href="qslider.html#setValue">setValue</a>( value );
+}
+
+
+void <a name="f92"></a>LCDRange::setRange( int minVal, int maxVal )
+{
+    if ( minVal &lt; 0 || maxVal &gt; 99 || minVal &gt; maxVal ) {
+        <a href="qapplication.html#qWarning">qWarning</a>( "LCDRange::setRange(%d,%d)\n"
+                  "\tRange must be 0..99\n"
+                  "\tand minVal must not be greater than maxVal",
+                  minVal, maxVal );
+        return;
+    }
+    slider-&gt;<a href="qrangecontrol.html#setRange">setRange</a>( minVal, maxVal );
+}
+
+
+void <a name="f93"></a>LCDRange::setText( const char *s )
+{
+    label-&gt;<a href="qlabel.html#setText">setText</a>( s );
+}
+</pre><!-- eof -->
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+<td>Copyright &copy; 2007
+<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
+<td align=right><div align=right>TQt 3.3.8</div>
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