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90 lines
3.5 KiB
90 lines
3.5 KiB
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<html>
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<title>t9/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>t9/lcdrange.cpp Example File</h1>
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<pre>/****************************************************************
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**
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** Implementation of LCDRange class, TQt tutorial 8
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**
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****************************************************************/
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#include "lcdrange.h"
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#include <<a href="qslider-h.html">ntqslider.h</a>>
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#include <<a href="qlcdnumber-h.html">ntqlcdnumber.h</a>>
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<a name="f37"></a>LCDRange::LCDRange( <a href="ntqwidget.html">TQWidget</a> *parent, const char *name )
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: <a href="ntqvbox.html">TQVBox</a>( parent, name )
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{
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<a href="ntqlcdnumber.html">TQLCDNumber</a> *lcd = new <a href="ntqlcdnumber.html">TQLCDNumber</a>( 2, this, "lcd" );
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slider = new <a href="ntqslider.html">TQSlider</a>( Horizontal, this, "slider" );
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slider-><a href="ntqrangecontrol.html#setRange">setRange</a>( 0, 99 );
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slider-><a href="ntqslider.html#setValue">setValue</a>( 0 );
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<a href="ntqobject.html#connect">connect</a>( slider, TQ_SIGNAL(<a href="ntqslider.html#valueChanged">valueChanged</a>(int)),
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lcd, TQ_SLOT(<a href="ntqlcdnumber.html#display">display</a>(int)) );
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<a href="ntqobject.html#connect">connect</a>( slider, TQ_SIGNAL(<a href="ntqslider.html#valueChanged">valueChanged</a>(int)),
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TQ_SIGNAL(valueChanged(int)) );
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<a href="ntqwidget.html#setFocusProxy">setFocusProxy</a>( slider );
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}
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int <a name="f38"></a>LCDRange::value() const
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{
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return slider-><a href="ntqslider.html#value">value</a>();
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}
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void <a name="f39"></a>LCDRange::setValue( int value )
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{
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slider-><a href="ntqslider.html#setValue">setValue</a>( value );
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}
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void <a name="f40"></a>LCDRange::setRange( int minVal, int maxVal )
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{
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if ( minVal < 0 || maxVal > 99 || minVal > maxVal ) {
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<a href="ntqapplication.html#qWarning">tqWarning</a>( "LCDRange::setRange(%d,%d)\n"
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"\tRange must be 0..99\n"
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"\tand minVal must not be greater than maxVal",
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minVal, maxVal );
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return;
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}
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slider-><a href="ntqrangecontrol.html#setRange">setRange</a>( minVal, maxVal );
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}
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</pre><!-- eof -->
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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>TQt 3.3.8</div>
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