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185 lines
8.5 KiB
185 lines
8.5 KiB
14 years ago
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<!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/examples/rangecontrols/rangecontrols.doc:4 -->
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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>Range controls</title>
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<style type="text/css"><!--
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fn { margin-left: 1cm; text-indent: -1cm; }
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a:link { color: #004faf; text-decoration: none }
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a:visited { color: #672967; text-decoration: none }
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body { background: #ffffff; color: black; }
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--></style>
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</head>
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<body>
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<table border="0" cellpadding="0" cellspacing="0" width="100%">
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<tr bgcolor="#E5E5E5">
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<td valign=center>
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<a href="index.html">
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<font color="#004faf">Home</font></a>
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| <a href="classes.html">
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<font color="#004faf">All Classes</font></a>
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| <a href="mainclasses.html">
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<font color="#004faf">Main Classes</font></a>
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<font color="#004faf">Annotated</font></a>
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<font color="#004faf">Grouped Classes</font></a>
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<font color="#004faf">Functions</font></a>
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</td>
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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>Range controls</h1>
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<p>
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This examples shows various types of range controls that
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are supported by Qt: dials, spin boxes and sliders.
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<p> <hr>
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<p> Header file:
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<p> <pre>/****************************************************************************
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** $Id: qt/rangecontrols.h 3.3.8 edited Jan 11 14:37 $
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**
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** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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**
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** This file is part of an example program for Qt. This example
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** program may be used, distributed and modified without limitation.
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**
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*****************************************************************************/
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#ifndef RANGECONTROLS_H
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#define RANGECONTROLS_H
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#include <<a href="qvbox-h.html">qvbox.h</a>>
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class QCheckBox;
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class RangeControls : public <a href="qvbox.html">QVBox</a>
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{
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<a href="metaobjects.html#Q_OBJECT">Q_OBJECT</a>
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public:
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RangeControls( <a href="qwidget.html">QWidget</a> *parent = 0, const char *name = 0 );
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private:
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<a href="qcheckbox.html">QCheckBox</a> *notches, *wrapping;
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};
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#endif
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</pre>
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<p> <hr>
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<p> Implementation:
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<p> <pre>/****************************************************************************
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** $Id: qt/rangecontrols.cpp 3.3.8 edited Jan 11 14:37 $
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**
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** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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**
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** This file is part of an example program for Qt. This example
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** program may be used, distributed and modified without limitation.
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**
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*****************************************************************************/
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#include "rangecontrols.h"
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#include <<a href="qhbox-h.html">qhbox.h</a>>
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#include <<a href="qlcdnumber-h.html">qlcdnumber.h</a>>
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#include <<a href="qspinbox-h.html">qspinbox.h</a>>
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#include <<a href="qlabel-h.html">qlabel.h</a>>
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#include <<a href="qstring-h.html">qstring.h</a>>
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#include <<a href="qslider-h.html">qslider.h</a>>
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#include <<a href="qcheckbox-h.html">qcheckbox.h</a>>
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#include <limits.h>
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<a name="f436"></a>RangeControls::RangeControls( <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="qhbox.html">QHBox</a> *row1 = new <a href="qhbox.html">QHBox</a>( this );
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<a href="qvbox.html">QVBox</a> *cell2 = new <a href="qvbox.html">QVBox</a>( row1 );
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<a name="x1382"></a> cell2-><a href="qframe.html#setMargin">setMargin</a>( 10 );
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<a name="x1381"></a> cell2-><a href="qframe.html#setFrameStyle">setFrameStyle</a>( QFrame::WinPanel | QFrame::Sunken );
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(void)new <a href="qwidget.html">QWidget</a>( cell2 );
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<a href="qlabel.html">QLabel</a> *label1 = new <a href="qlabel.html">QLabel</a>( QString( "Enter a value between\n%1 and %2:" ).arg( -INT_MAX ).arg( INT_MAX ), cell2 );
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<a name="x1391"></a><a name="x1383"></a> label1-><a href="qwidget.html#setMaximumHeight">setMaximumHeight</a>( label1-><a href="qwidget.html#sizeHint">sizeHint</a>().height() );
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<a href="qspinbox.html">QSpinBox</a> *sb1 = new <a href="qspinbox.html">QSpinBox</a>( -INT_MAX, INT_MAX, 1, cell2 );
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<a name="x1390"></a> sb1-><a href="qspinbox.html#setValue">setValue</a>( 0 );
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<a href="qlabel.html">QLabel</a> *label2 = new <a href="qlabel.html">QLabel</a>( "Enter a zoom value:", cell2 );
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label2-><a href="qwidget.html#setMaximumHeight">setMaximumHeight</a>( label2-><a href="qwidget.html#sizeHint">sizeHint</a>().height() );
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<a href="qspinbox.html">QSpinBox</a> *sb2 = new <a href="qspinbox.html">QSpinBox</a>( 0, 1000, 10, cell2 );
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<a name="x1389"></a> sb2-><a href="qspinbox.html#setSuffix">setSuffix</a>( " %" );
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<a name="x1388"></a> sb2-><a href="qspinbox.html#setSpecialValueText">setSpecialValueText</a>( "Automatic" );
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<a href="qlabel.html">QLabel</a> *label3 = new <a href="qlabel.html">QLabel</a>( "Enter a price:", cell2 );
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label3-><a href="qwidget.html#setMaximumHeight">setMaximumHeight</a>( label3-><a href="qwidget.html#sizeHint">sizeHint</a>().height() );
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<a href="qspinbox.html">QSpinBox</a> *sb3 = new <a href="qspinbox.html">QSpinBox</a>( 0, INT_MAX, 1, cell2 );
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<a name="x1387"></a> sb3-><a href="qspinbox.html#setPrefix">setPrefix</a>( "$" );
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sb3-><a href="qspinbox.html#setValue">setValue</a>( 355 );
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(void)new <a href="qwidget.html">QWidget</a>( cell2 );
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<a href="qhbox.html">QHBox</a> *row2 = new <a href="qhbox.html">QHBox</a>( this );
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<a href="qvbox.html">QVBox</a> *cell3 = new <a href="qvbox.html">QVBox</a>( row2 );
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cell3-><a href="qframe.html#setMargin">setMargin</a>( 10 );
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cell3-><a href="qframe.html#setFrameStyle">setFrameStyle</a>( QFrame::WinPanel | QFrame::Sunken );
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<a href="qslider.html">QSlider</a> *hslider = new <a href="qslider.html">QSlider</a>( 0, 64, 1, 33, Qt::Horizontal, cell3, "horizontal_s" );
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<a href="qlcdnumber.html">QLCDNumber</a> *lcd2 = new <a href="qlcdnumber.html">QLCDNumber</a>( 2, cell3 );
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<a name="x1384"></a> lcd2-><a href="qlcdnumber.html#display">display</a>( 33 );
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<a name="x1385"></a> lcd2-><a href="qlcdnumber.html#setSegmentStyle">setSegmentStyle</a>( QLCDNumber::Filled );
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<a name="x1386"></a> <a href="qobject.html#connect">connect</a>( hslider, SIGNAL( <a href="qslider.html#valueChanged">valueChanged</a>( int ) ), lcd2, SLOT( <a href="qlcdnumber.html#display">display</a>( int ) ) );
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<a href="qhbox.html">QHBox</a> *cell4 = new <a href="qhbox.html">QHBox</a>( row2 );
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cell4-><a href="qframe.html#setFrameStyle">setFrameStyle</a>( QFrame::WinPanel | QFrame::Sunken );
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cell4-><a href="qframe.html#setMargin">setMargin</a>( 10 );
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<a href="qslider.html">QSlider</a> *vslider = new <a href="qslider.html">QSlider</a>( 0, 64, 1, 8, Qt::Vertical, cell4 );
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<a href="qlcdnumber.html">QLCDNumber</a> *lcd3 = new <a href="qlcdnumber.html">QLCDNumber</a>( 3, cell4 );
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lcd3-><a href="qlcdnumber.html#display">display</a>( 8 );
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<a href="qobject.html#connect">connect</a>( vslider, SIGNAL( <a href="qslider.html#valueChanged">valueChanged</a>( int ) ), lcd3, SLOT( <a href="qlcdnumber.html#display">display</a>( int ) ) );
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}
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</pre>
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<p> <hr>
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<p> Main:
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<p> <pre>/****************************************************************************
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** $Id: qt/main.cpp 3.3.8 edited Jan 11 14:37 $
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**
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** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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**
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** This file is part of an example program for Qt. This example
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** program may be used, distributed and modified without limitation.
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**
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*****************************************************************************/
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#include "rangecontrols.h"
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#include <<a href="qapplication-h.html">qapplication.h</a>>
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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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RangeControls rangecontrols;
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rangecontrols.<a href="qwidget.html#resize">resize</a>( 500, 300 );
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rangecontrols.<a href="qwidget.html#setCaption">setCaption</a>( "Qt Example - Range Control Widgets" );
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a.<a href="qapplication.html#setMainWidget">setMainWidget</a>( &rangecontrols );
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rangecontrols.<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>
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<p>See also <a href="examples.html">Examples</a>.
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<!-- 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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</html>
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