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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 >
< p >
This examples shows various types of range controls that
are supported by TQt: dials, spin boxes and sliders.
< p > < hr >
< p > Header file:
< p > < pre > /****************************************************************************
** $Id: qt/rangecontrols.h 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 TQt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#ifndef RANGECONTROLS_H
#define RANGECONTROLS_H
#include < < a href = "qvbox-h.html" > ntqvbox.h< / a > >
class TQCheckBox;
class RangeControls : public < a href = "ntqvbox.html" > TQVBox< / a >
{
< a href = "metaobjects.html#TQ_OBJECT" > TQ_OBJECT< / a >
public:
RangeControls( < a href = "ntqwidget.html" > TQWidget< / a > *parent = 0, const char *name = 0 );
private:
< a href = "ntqcheckbox.html" > TQCheckBox< / a > *notches, *wrapping;
};
#endif
< / pre >
< p > < hr >
< p > Implementation:
< p > < pre > /****************************************************************************
** $Id: qt/rangecontrols.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 TQt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include "rangecontrols.h"
#include < < a href = "qhbox-h.html" > ntqhbox.h< / a > >
#include < < a href = "qlcdnumber-h.html" > ntqlcdnumber.h< / a > >
#include < < a href = "qspinbox-h.html" > ntqspinbox.h< / a > >
#include < < a href = "qlabel-h.html" > ntqlabel.h< / a > >
#include < < a href = "qstring-h.html" > ntqstring.h< / a > >
#include < < a href = "qslider-h.html" > ntqslider.h< / a > >
#include < < a href = "qcheckbox-h.html" > ntqcheckbox.h< / a > >
#include < limits.h>
< a name = "f436" > < / a > RangeControls::RangeControls( < a href = "ntqwidget.html" > TQWidget< / a > *parent, const char *name )
: < a href = "ntqvbox.html" > TQVBox< / a > ( parent, name )
{
< a href = "ntqhbox.html" > TQHBox< / a > *row1 = new < a href = "ntqhbox.html" > TQHBox< / a > ( this );
< a href = "ntqvbox.html" > TQVBox< / a > *cell2 = new < a href = "ntqvbox.html" > TQVBox< / a > ( row1 );
< a name = "x1382" > < / a > cell2-> < a href = "ntqframe.html#setMargin" > setMargin< / a > ( 10 );
< a name = "x1381" > < / a > cell2-> < a href = "ntqframe.html#setFrameStyle" > setFrameStyle< / a > ( TQFrame::WinPanel | TQFrame::Sunken );
(void)new < a href = "ntqwidget.html" > TQWidget< / a > ( cell2 );
< a href = "ntqlabel.html" > TQLabel< / a > *label1 = new < a href = "ntqlabel.html" > TQLabel< / a > ( TQString( "Enter a value between\n%1 and %2:" ).arg( -INT_MAX ).arg( INT_MAX ), cell2 );
< a name = "x1391" > < / a > < a name = "x1383" > < / a > label1-> < a href = "ntqwidget.html#setMaximumHeight" > setMaximumHeight< / a > ( label1-> < a href = "ntqwidget.html#sizeHint" > sizeHint< / a > ().height() );
< a href = "ntqspinbox.html" > TQSpinBox< / a > *sb1 = new < a href = "ntqspinbox.html" > TQSpinBox< / a > ( -INT_MAX, INT_MAX, 1, cell2 );
< a name = "x1390" > < / a > sb1-> < a href = "ntqspinbox.html#setValue" > setValue< / a > ( 0 );
< a href = "ntqlabel.html" > TQLabel< / a > *label2 = new < a href = "ntqlabel.html" > TQLabel< / a > ( "Enter a zoom value:", cell2 );
label2-> < a href = "ntqwidget.html#setMaximumHeight" > setMaximumHeight< / a > ( label2-> < a href = "ntqwidget.html#sizeHint" > sizeHint< / a > ().height() );
< a href = "ntqspinbox.html" > TQSpinBox< / a > *sb2 = new < a href = "ntqspinbox.html" > TQSpinBox< / a > ( 0, 1000, 10, cell2 );
< a name = "x1389" > < / a > sb2-> < a href = "ntqspinbox.html#setSuffix" > setSuffix< / a > ( " %" );
< a name = "x1388" > < / a > sb2-> < a href = "ntqspinbox.html#setSpecialValueText" > setSpecialValueText< / a > ( "Automatic" );
< a href = "ntqlabel.html" > TQLabel< / a > *label3 = new < a href = "ntqlabel.html" > TQLabel< / a > ( "Enter a price:", cell2 );
label3-> < a href = "ntqwidget.html#setMaximumHeight" > setMaximumHeight< / a > ( label3-> < a href = "ntqwidget.html#sizeHint" > sizeHint< / a > ().height() );
< a href = "ntqspinbox.html" > TQSpinBox< / a > *sb3 = new < a href = "ntqspinbox.html" > TQSpinBox< / a > ( 0, INT_MAX, 1, cell2 );
< a name = "x1387" > < / a > sb3-> < a href = "ntqspinbox.html#setPrefix" > setPrefix< / a > ( "$" );
sb3-> < a href = "ntqspinbox.html#setValue" > setValue< / a > ( 355 );
(void)new < a href = "ntqwidget.html" > TQWidget< / a > ( cell2 );
< a href = "ntqhbox.html" > TQHBox< / a > *row2 = new < a href = "ntqhbox.html" > TQHBox< / a > ( this );
< a href = "ntqvbox.html" > TQVBox< / a > *cell3 = new < a href = "ntqvbox.html" > TQVBox< / a > ( row2 );
cell3-> < a href = "ntqframe.html#setMargin" > setMargin< / a > ( 10 );
cell3-> < a href = "ntqframe.html#setFrameStyle" > setFrameStyle< / a > ( TQFrame::WinPanel | TQFrame::Sunken );
< a href = "ntqslider.html" > TQSlider< / a > *hslider = new < a href = "ntqslider.html" > TQSlider< / a > ( 0, 64, 1, 33, TQt::Horizontal, cell3, "horizontal_s" );
< a href = "ntqlcdnumber.html" > TQLCDNumber< / a > *lcd2 = new < a href = "ntqlcdnumber.html" > TQLCDNumber< / a > ( 2, cell3 );
< a name = "x1384" > < / a > lcd2-> < a href = "ntqlcdnumber.html#display" > display< / a > ( 33 );
< a name = "x1385" > < / a > lcd2-> < a href = "ntqlcdnumber.html#setSegmentStyle" > setSegmentStyle< / a > ( TQLCDNumber::Filled );
< a name = "x1386" > < / a > < a href = "ntqobject.html#connect" > connect< / a > ( hslider, TQ_SIGNAL( < a href = "ntqslider.html#valueChanged" > valueChanged< / a > ( int ) ), lcd2, TQ_SLOT( < a href = "ntqlcdnumber.html#display" > display< / a > ( int ) ) );
< a href = "ntqhbox.html" > TQHBox< / a > *cell4 = new < a href = "ntqhbox.html" > TQHBox< / a > ( row2 );
cell4-> < a href = "ntqframe.html#setFrameStyle" > setFrameStyle< / a > ( TQFrame::WinPanel | TQFrame::Sunken );
cell4-> < a href = "ntqframe.html#setMargin" > setMargin< / a > ( 10 );
< a href = "ntqslider.html" > TQSlider< / a > *vslider = new < a href = "ntqslider.html" > TQSlider< / a > ( 0, 64, 1, 8, TQt::Vertical, cell4 );
< a href = "ntqlcdnumber.html" > TQLCDNumber< / a > *lcd3 = new < a href = "ntqlcdnumber.html" > TQLCDNumber< / a > ( 3, cell4 );
lcd3-> < a href = "ntqlcdnumber.html#display" > display< / a > ( 8 );
< a href = "ntqobject.html#connect" > connect< / a > ( vslider, TQ_SIGNAL( < a href = "ntqslider.html#valueChanged" > valueChanged< / a > ( int ) ), lcd3, TQ_SLOT( < a href = "ntqlcdnumber.html#display" > display< / a > ( int ) ) );
}
< / pre >
< p > < hr >
< p > Main:
< p > < pre > /****************************************************************************
** $Id: qt/main.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 TQt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include "rangecontrols.h"
#include < < a href = "qapplication-h.html" > ntqapplication.h< / a > >
int main( int argc, char **argv )
{
< a href = "ntqapplication.html" > TQApplication< / a > a( argc, argv );
RangeControls rangecontrols;
rangecontrols.< a href = "ntqwidget.html#resize" > resize< / a > ( 500, 300 );
rangecontrols.< a href = "ntqwidget.html#setCaption" > setCaption< / a > ( "TQt Example - Range Control Widgets" );
a.< a href = "ntqapplication.html#setMainWidget" > setMainWidget< / a > ( & rangecontrols );
rangecontrols.< a href = "ntqwidget.html#show" > show< / a > ();
return a.< a href = "ntqapplication.html#exec" > exec< / a > ();
}
< / pre >
< p > See also < a href = "examples.html" > Examples< / a > .
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