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/***************************************************************************
* $Id$
**
* 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.
**
****************************************************************************/
import org.kde.qt.*;
class ButtonsGroups extends QWidget
{
protected QCheckBox state;
protected QRadioButton rb21, rb22, rb23;
/*
Constructor
*
Creates all child widgets of the ButtonGroups window
*/
public ButtonsGroups( )
{
this(null, null);
}
public ButtonsGroups( QWidget parent, String name )
{
super( parent, name );
// Create Widgets which allow easy layouting
QVBoxLayout vbox = new QVBoxLayout( this );
QHBoxLayout box1 = new QHBoxLayout( vbox );
QHBoxLayout box2 = new QHBoxLayout( vbox );
// ------- first group
// Create an exclusive button group
QButtonGroup bgrp1 = new QButtonGroup( 1, QGroupBox.Horizontal, "Button Group 1 (exclusive)", this);
box1.addWidget( bgrp1 );
bgrp1.setExclusive( true );
// insert 3 radiobuttons
QRadioButton rb11 = new QRadioButton( "&Radiobutton 1", bgrp1 );
rb11.setChecked( true );
new QRadioButton( "R&adiobutton 2", bgrp1 );
new QRadioButton( "Ra&diobutton 3", bgrp1 );
// ------- second group
// Create a non-exclusive buttongroup
QButtonGroup bgrp2 = new QButtonGroup( 1, QGroupBox.Horizontal, "Button Group 2 (non-exclusive)", this );
box1.addWidget( bgrp2 );
bgrp2.setExclusive( false );
// insert 3 checkboxes
new QCheckBox( "&Checkbox 1", bgrp2 );
QCheckBox cb12 = new QCheckBox( "C&heckbox 2", bgrp2 );
cb12.setChecked( true );
QCheckBox cb13 = new QCheckBox( "Triple &State Button", bgrp2 );
cb13.setTristate( true );
cb13.setChecked( true );
// ------------ third group
// create a buttongroup which is exclusive for radiobuttons and non-exclusive for all other buttons
QButtonGroup bgrp3 = new QButtonGroup( 1, QGroupBox.Horizontal, "Button Group 3 (Radiobutton-exclusive)", this );
box2.addWidget( bgrp3 );
bgrp3.setRadioButtonExclusive( true );
// insert three radiobuttons
rb21 = new QRadioButton( "Rad&iobutton 1", bgrp3 );
rb22 = new QRadioButton( "Radi&obutton 2", bgrp3 );
rb23 = new QRadioButton( "Radio&button 3", bgrp3 );
rb23.setChecked( true );
// insert a checkbox...
state = new QCheckBox( "E&nable Radiobuttons", bgrp3 );
state.setChecked( true );
// ...and connect its SIGNAL clicked() with the SLOT slotChangeGrp3State()
connect( state, SIGNAL(" clicked()"), this, SLOT(" slotChangeGrp3State()") );
// ------------ fourth group
// create a groupbox which layouts its childs in a columns
QGroupBox bgrp4 = new QButtonGroup( 1, QGroupBox.Horizontal, "Groupbox with normal buttons", this );
box2.addWidget( bgrp4 );
// insert three pushbuttons...
new QPushButton( "&Push Button", bgrp4 );
QPushButton tb2 = new QPushButton( "&Toggle Button", bgrp4 );
QPushButton tb3 = new QPushButton( "&Flat Button", bgrp4 );
// ... and make the second one a toggle button
tb2.setToggleButton( true );
tb2.setOn( true );
// ... and make the third one a flat button
tb3.setFlat(true);
}
/*
SLOT slotChangeGrp3State()
*
enables/disables the radiobuttons of the third buttongroup
*/
public void slotChangeGrp3State()
{
rb21.setEnabled( state.isChecked() );
rb22.setEnabled( state.isChecked() );
rb23.setEnabled( state.isChecked() );
}
}
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