<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <!-- /home/espenr/tmp/qt-3.2-espenr-29145/qt-x11-free-3.2.3/examples/rangecontrols/rangecontrols.doc:4 --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Range controls</title> <style type="text/css"><!-- h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; } a:link { color: #004faf; text-decoration: none } a:visited { color: #672967; text-decoration: none } body { background: #ffffff; color: black; } --></style> </head> <body> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr bgcolor="#E5E5E5"> <td valign=center> <a href="index.html"> <font color="#004faf">Home</font></a> | <a href="classes.html"> <font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"> <font color="#004faf">Main Classes</font></a> | <a href="annotated.html"> <font color="#004faf">Annotated</font></a> | <a href="groups.html"> <font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"> <font color="#004faf">Functions</font></a> </td> <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> <p> This examples shows various types of range controls that are supported by Qt: dials, spin boxes and sliders. <p> <hr> <p> Header file: <p> <pre>/**************************************************************************** ** $Id: qt/rangecontrols.h 3.2.3 edited May 13 09:08 $ ** ** Copyright (C) 1992-2000 Trolltech AS. All rights reserved. ** ** This file is part of an example program for Qt. This example ** program may be used, distributed and modified without limitation. ** *****************************************************************************/ #ifndef RANGECONTROLS_H #define RANGECONTROLS_H #include <<a href="qvbox-h.html">qvbox.h</a>> class QCheckBox; class RangeControls : public <a href="qvbox.html">QVBox</a> { <a href="metaobjects.html#Q_OBJECT">Q_OBJECT</a> public: RangeControls( <a href="qwidget.html">QWidget</a> *parent = 0, const char *name = 0 ); private: <a href="qcheckbox.html">QCheckBox</a> *notches, *wrapping; }; #endif </pre> <p> <hr> <p> Implementation: <p> <pre>/**************************************************************************** ** $Id: qt/rangecontrols.cpp 3.2.3 edited May 13 09:08 $ ** ** Copyright (C) 1992-2000 Trolltech AS. 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 "rangecontrols.h" #include <<a href="qhbox-h.html">qhbox.h</a>> #include <<a href="qlcdnumber-h.html">qlcdnumber.h</a>> #include <<a href="qspinbox-h.html">qspinbox.h</a>> #include <<a href="qlabel-h.html">qlabel.h</a>> #include <<a href="qstring-h.html">qstring.h</a>> #include <<a href="qslider-h.html">qslider.h</a>> #include <<a href="qcheckbox-h.html">qcheckbox.h</a>> #include <limits.h> <a name="f454"></a>RangeControls::RangeControls( <a href="qwidget.html">QWidget</a> *parent, const char *name ) : <a href="qvbox.html">QVBox</a>( parent, name ) { <a href="qhbox.html">QHBox</a> *row1 = new <a href="qhbox.html">QHBox</a>( this ); <a href="qvbox.html">QVBox</a> *cell2 = new <a href="qvbox.html">QVBox</a>( row1 ); <a name="x1505"></a> cell2-><a href="qframe.html#setMargin">setMargin</a>( 10 ); <a name="x1504"></a> cell2-><a href="qframe.html#setFrameStyle">setFrameStyle</a>( QFrame::WinPanel | QFrame::Sunken ); (void)new <a href="qwidget.html">QWidget</a>( cell2 ); <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 ); <a name="x1514"></a><a name="x1506"></a> label1-><a href="qwidget.html#setMaximumHeight">setMaximumHeight</a>( label1-><a href="qwidget.html#sizeHint">sizeHint</a>().height() ); <a href="qspinbox.html">QSpinBox</a> *sb1 = new <a href="qspinbox.html">QSpinBox</a>( -INT_MAX, INT_MAX, 1, cell2 ); <a name="x1513"></a> sb1-><a href="qspinbox.html#setValue">setValue</a>( 0 ); <a href="qlabel.html">QLabel</a> *label2 = new <a href="qlabel.html">QLabel</a>( "Enter a zoom value:", cell2 ); label2-><a href="qwidget.html#setMaximumHeight">setMaximumHeight</a>( label2-><a href="qwidget.html#sizeHint">sizeHint</a>().height() ); <a href="qspinbox.html">QSpinBox</a> *sb2 = new <a href="qspinbox.html">QSpinBox</a>( 0, 1000, 10, cell2 ); <a name="x1512"></a> sb2-><a href="qspinbox.html#setSuffix">setSuffix</a>( " %" ); <a name="x1511"></a> sb2-><a href="qspinbox.html#setSpecialValueText">setSpecialValueText</a>( "Automatic" ); <a href="qlabel.html">QLabel</a> *label3 = new <a href="qlabel.html">QLabel</a>( "Enter a price:", cell2 ); label3-><a href="qwidget.html#setMaximumHeight">setMaximumHeight</a>( label3-><a href="qwidget.html#sizeHint">sizeHint</a>().height() ); <a href="qspinbox.html">QSpinBox</a> *sb3 = new <a href="qspinbox.html">QSpinBox</a>( 0, INT_MAX, 1, cell2 ); <a name="x1510"></a> sb3-><a href="qspinbox.html#setPrefix">setPrefix</a>( "$" ); sb3-><a href="qspinbox.html#setValue">setValue</a>( 355 ); (void)new <a href="qwidget.html">QWidget</a>( cell2 ); <a href="qhbox.html">QHBox</a> *row2 = new <a href="qhbox.html">QHBox</a>( this ); <a href="qvbox.html">QVBox</a> *cell3 = new <a href="qvbox.html">QVBox</a>( row2 ); cell3-><a href="qframe.html#setMargin">setMargin</a>( 10 ); cell3-><a href="qframe.html#setFrameStyle">setFrameStyle</a>( QFrame::WinPanel | QFrame::Sunken ); <a href="qslider.html">QSlider</a> *hslider = new <a href="qslider.html">QSlider</a>( 0, 64, 1, 33, Qt::Horizontal, cell3, "horizontal_s" ); <a href="qlcdnumber.html">QLCDNumber</a> *lcd2 = new <a href="qlcdnumber.html">QLCDNumber</a>( 2, cell3 ); <a name="x1507"></a> lcd2-><a href="qlcdnumber.html#display">display</a>( 33 ); <a name="x1508"></a> lcd2-><a href="qlcdnumber.html#setSegmentStyle">setSegmentStyle</a>( QLCDNumber::Filled ); <a name="x1509"></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 ) ) ); <a href="qhbox.html">QHBox</a> *cell4 = new <a href="qhbox.html">QHBox</a>( row2 ); cell4-><a href="qframe.html#setFrameStyle">setFrameStyle</a>( QFrame::WinPanel | QFrame::Sunken ); cell4-><a href="qframe.html#setMargin">setMargin</a>( 10 ); <a href="qslider.html">QSlider</a> *vslider = new <a href="qslider.html">QSlider</a>( 0, 64, 1, 8, Qt::Vertical, cell4 ); <a href="qlcdnumber.html">QLCDNumber</a> *lcd3 = new <a href="qlcdnumber.html">QLCDNumber</a>( 3, cell4 ); lcd3-><a href="qlcdnumber.html#display">display</a>( 8 ); <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 ) ) ); } </pre> <p> <hr> <p> Main: <p> <pre>/**************************************************************************** ** $Id: qt/main.cpp 3.2.3 edited May 13 09:08 $ ** ** Copyright (C) 1992-2000 Trolltech AS. 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 "rangecontrols.h" #include <<a href="qapplication-h.html">qapplication.h</a>> int main( int argc, char **argv ) { <a href="qapplication.html">QApplication</a> a( argc, argv ); RangeControls rangecontrols; rangecontrols.<a href="qwidget.html#resize">resize</a>( 500, 300 ); rangecontrols.<a href="qwidget.html#setCaption">setCaption</a>( "Qt Example - Range Control Widgets" ); a.<a href="qapplication.html#setMainWidget">setMainWidget</a>( &rangecontrols ); rangecontrols.<a href="qwidget.html#show">show</a>(); return a.<a href="qapplication.html#exec">exec</a>(); } </pre> <p>See also <a href="examples.html">Examples</a>. <!-- eof --> <p><address><hr><div align=center> <table width=100% cellspacing=0 border=0><tr> <td>Copyright © 2003 <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> <td align=right><div align=right>Qt 3.2.3</div> </table></div></address></body> </html>