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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<title>Buttons and Groupboxes</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>Buttons and Groupboxes</h1>

 
<p> 
This example shows different types of groupboxes (buttongroups, etc.) and 
different kinds of buttons (checkboxes, radiobuttons, pushbuttons, etc.).
<p> <hr>
<p> Header file:
<p> <pre>/****************************************************************************
** $Id: qt/buttongroups.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 BUTTONS_GROUPS_H
#define BUTTONS_GROUPS_H

#include &lt;<a href="qwidget-h.html">ntqwidget.h</a>&gt;

class TQCheckBox;
class TQRadioButton;

class ButtonsGroups : public <a href="ntqwidget.html">TQWidget</a>
{
    <a href="metaobjects.html#TQ_OBJECT">TQ_OBJECT</a>

public:
    ButtonsGroups( <a href="ntqwidget.html">TQWidget</a> *parent = 0, const char *name = 0 );

protected:
    <a href="ntqcheckbox.html">TQCheckBox</a> *state;
    <a href="ntqradiobutton.html">TQRadioButton</a> *rb21, *rb22, *rb23;

protected slots:
    void slotChangeGrp3State();

};

#endif
</pre>

<p> <hr>
<p> Implementation:
<p> <pre>/****************************************************************************
** $Id: qt/buttongroups.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 "buttongroups.h"

#include &lt;<a href="qpopupmenu-h.html">ntqpopupmenu.h</a>&gt;
#include &lt;<a href="qbuttongroup-h.html">ntqbuttongroup.h</a>&gt;
#include &lt;<a href="qlayout-h.html">ntqlayout.h</a>&gt;
#include &lt;<a href="qradiobutton-h.html">ntqradiobutton.h</a>&gt;
#include &lt;<a href="qcheckbox-h.html">ntqcheckbox.h</a>&gt;
#include &lt;<a href="qgroupbox-h.html">ntqgroupbox.h</a>&gt;
#include &lt;<a href="qpushbutton-h.html">ntqpushbutton.h</a>&gt;

/*
 * Constructor
 *
 * Creates all child widgets of the ButtonGroups window
 */

<a name="f261"></a>ButtonsGroups::ButtonsGroups( <a href="ntqwidget.html">TQWidget</a> *parent, const char *name )
    : <a href="ntqwidget.html">TQWidget</a>( parent, name )
{
    // Create Widgets which allow easy layouting
    <a href="qvboxlayout.html">TQVBoxLayout</a> *vbox = new <a href="qvboxlayout.html">TQVBoxLayout</a>( this, 11, 6 );
    <a href="qhboxlayout.html">TQHBoxLayout</a> *box1 = new <a href="qhboxlayout.html">TQHBoxLayout</a>( vbox );
    <a href="qhboxlayout.html">TQHBoxLayout</a> *box2 = new <a href="qhboxlayout.html">TQHBoxLayout</a>( vbox );

    // ------- first group

    // Create an exclusive button group
    <a href="ntqbuttongroup.html">TQButtonGroup</a> *bgrp1 = new <a href="ntqbuttongroup.html">TQButtonGroup</a>( 1, TQGroupBox::Horizontal, "Button Group 1 (exclusive)", this);
    box1-&gt;<a href="qboxlayout.html#addWidget">addWidget</a>( bgrp1 );
<a name="x549"></a>    bgrp1-&gt;<a href="ntqbuttongroup.html#setExclusive">setExclusive</a>( TRUE );

    // insert 3 radiobuttons
    <a href="ntqradiobutton.html">TQRadioButton</a> *rb11 = new <a href="ntqradiobutton.html">TQRadioButton</a>( "&amp;Radiobutton 1", bgrp1 );
<a name="x559"></a>    rb11-&gt;<a href="ntqradiobutton.html#setChecked">setChecked</a>( TRUE );
    (void)new <a href="ntqradiobutton.html">TQRadioButton</a>( "R&amp;adiobutton 2", bgrp1 );
    (void)new <a href="ntqradiobutton.html">TQRadioButton</a>( "Ra&amp;diobutton 3", bgrp1 );

    // ------- second group

    // Create a non-exclusive buttongroup
    <a href="ntqbuttongroup.html">TQButtonGroup</a> *bgrp2 = new <a href="ntqbuttongroup.html">TQButtonGroup</a>( 1, TQGroupBox::Horizontal, "Button Group 2 (non-exclusive)", this );
    box1-&gt;<a href="qboxlayout.html#addWidget">addWidget</a>( bgrp2 );
    bgrp2-&gt;<a href="ntqbuttongroup.html#setExclusive">setExclusive</a>( FALSE );

    // insert 3 checkboxes
    (void)new <a href="ntqcheckbox.html">TQCheckBox</a>( "&amp;Checkbox 1", bgrp2 );
    <a href="ntqcheckbox.html">TQCheckBox</a> *cb12 = new <a href="ntqcheckbox.html">TQCheckBox</a>( "C&amp;heckbox 2", bgrp2 );
<a name="x552"></a>    cb12-&gt;<a href="ntqcheckbox.html#setChecked">setChecked</a>( TRUE );
    <a href="ntqcheckbox.html">TQCheckBox</a> *cb13 = new <a href="ntqcheckbox.html">TQCheckBox</a>( "Triple &amp;State Button", bgrp2 );
<a name="x553"></a>    cb13-&gt;<a href="ntqcheckbox.html#setTristate">setTristate</a>( TRUE );
    cb13-&gt;<a href="ntqcheckbox.html#setChecked">setChecked</a>( TRUE );

    // ------------ third group

    // create a buttongroup which is exclusive for radiobuttons and non-exclusive for all other buttons
    <a href="ntqbuttongroup.html">TQButtonGroup</a> *bgrp3 = new <a href="ntqbuttongroup.html">TQButtonGroup</a>( 1, TQGroupBox::Horizontal, "Button Group 3 (Radiobutton-exclusive)", this );
    box2-&gt;<a href="qboxlayout.html#addWidget">addWidget</a>( bgrp3 );
<a name="x550"></a>    bgrp3-&gt;<a href="ntqbuttongroup.html#setRadioButtonExclusive">setRadioButtonExclusive</a>( TRUE );

    // insert three radiobuttons
    rb21 = new <a href="ntqradiobutton.html">TQRadioButton</a>( "Rad&amp;iobutton 1", bgrp3 );
    rb22 = new <a href="ntqradiobutton.html">TQRadioButton</a>( "Radi&amp;obutton 2", bgrp3 );
    rb23 = new <a href="ntqradiobutton.html">TQRadioButton</a>( "Radio&amp;button 3", bgrp3 );
    rb23-&gt;<a href="ntqradiobutton.html#setChecked">setChecked</a>( TRUE );

    // insert a checkbox...
    state = new <a href="ntqcheckbox.html">TQCheckBox</a>( "E&amp;nable Radiobuttons", bgrp3 );
    state-&gt;<a href="ntqcheckbox.html#setChecked">setChecked</a>( TRUE );
    // ...and connect its SIGNAL clicked() with the SLOT slotChangeGrp3State()
    <a href="ntqobject.html#connect">connect</a>( state, SIGNAL( <a href="ntqbutton.html#clicked">clicked</a>() ), this, SLOT( slotChangeGrp3State() ) );

    // ------------ fourth group

    // create a groupbox which layouts its childs in a columns
    <a href="ntqgroupbox.html">TQGroupBox</a> *bgrp4 = new <a href="ntqbuttongroup.html">TQButtonGroup</a>( 1, TQGroupBox::Horizontal, "Groupbox with normal buttons", this );
    box2-&gt;<a href="qboxlayout.html#addWidget">addWidget</a>( bgrp4 );

    // insert four pushbuttons...
    (void)new <a href="ntqpushbutton.html">TQPushButton</a>( "&amp;Push Button", bgrp4, "push" );

    // now make the second one a toggle button
    <a href="ntqpushbutton.html">TQPushButton</a> *tb2 = new <a href="ntqpushbutton.html">TQPushButton</a>( "&amp;Toggle Button", bgrp4, "toggle" );
<a name="x558"></a>    tb2-&gt;<a href="ntqpushbutton.html#setToggleButton">setToggleButton</a>( TRUE );
<a name="x556"></a>    tb2-&gt;<a href="ntqpushbutton.html#setOn">setOn</a>( TRUE );

    // ... and make the third one a flat button
    <a href="ntqpushbutton.html">TQPushButton</a> *tb3 = new <a href="ntqpushbutton.html">TQPushButton</a>( "&amp;Flat Button", bgrp4, "flat" );
<a name="x555"></a>    tb3-&gt;<a href="ntqpushbutton.html#setFlat">setFlat</a>(TRUE);

    // .. and the fourth a button with a menu
    <a href="ntqpushbutton.html">TQPushButton</a> *tb4 = new <a href="ntqpushbutton.html">TQPushButton</a>( "Popup Button", bgrp4, "popup" );
    <a href="ntqpopupmenu.html">TQPopupMenu</a> *menu = new <a href="ntqpopupmenu.html">TQPopupMenu</a>(tb4);
    menu-&gt;<a href="ntqmenudata.html#insertItem">insertItem</a>("Item1", 0);
    menu-&gt;<a href="ntqmenudata.html#insertItem">insertItem</a>("Item2", 1);
    menu-&gt;<a href="ntqmenudata.html#insertItem">insertItem</a>("Item3", 2);
    menu-&gt;<a href="ntqmenudata.html#insertItem">insertItem</a>("Item4", 3);
<a name="x557"></a>    tb4-&gt;<a href="ntqpushbutton.html#setPopup">setPopup</a>(menu);
}

/*
 * SLOT slotChangeGrp3State()
 *
 * enables/disables the radiobuttons of the third buttongroup
 */

void <a name="f262"></a>ButtonsGroups::slotChangeGrp3State()
{
<a name="x560"></a><a name="x551"></a>    rb21-&gt;<a href="ntqwidget.html#setEnabled">setEnabled</a>( state-&gt;<a href="ntqcheckbox.html#isChecked">isChecked</a>() );
    rb22-&gt;<a href="ntqwidget.html#setEnabled">setEnabled</a>( state-&gt;<a href="ntqcheckbox.html#isChecked">isChecked</a>() );
    rb23-&gt;<a href="ntqwidget.html#setEnabled">setEnabled</a>( state-&gt;<a href="ntqcheckbox.html#isChecked">isChecked</a>() );
}
</pre>

<p> <hr>
<p> Main:
<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 "buttongroups.h"
#include &lt;<a href="qapplication-h.html">ntqapplication.h</a>&gt;

int main( int argc, char **argv )
{
    <a href="ntqapplication.html">TQApplication</a> a( argc, argv );

    ButtonsGroups buttonsgroups;
    buttonsgroups.<a href="ntqwidget.html#resize">resize</a>( 500, 250 );
    buttonsgroups.<a href="ntqwidget.html#setCaption">setCaption</a>( "TQt Example - Buttongroups" );
    a.<a href="ntqapplication.html#setMainWidget">setMainWidget</a>( &amp;buttonsgroups );
    buttonsgroups.<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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