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/****************************************************************************
** $Id: qt/examples/buttongroups/buttongroups.cpp 2.3.1 edited 2001-01-26 $
**
** 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 "buttongroups.h"
#include <qbuttongroup.h>
#include <qlayout.h>
#include <qradiobutton.h>
#include <qcheckbox.h>
#include <qgroupbox.h>
#include <qpushbutton.h>
/*
* Constructor
*
* Creates all child widgets of the ButtonGroups window
*/
ButtonsGroups::ButtonsGroups( QWidget *parent, const char *name )
: QWidget( 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 *grp1 = new QButtonGroup( 1, QGroupBox::Horizontal, "Button Group 1 (exclusive)", this);
box1->addWidget( grp1 );
grp1->setExclusive( TRUE );
// insert 3 radiobuttons
QRadioButton *rb11 = new QRadioButton( "&Radiobutton 1", grp1 );
rb11->setChecked( TRUE );
(void)new QRadioButton( "R&adiobutton 2", grp1 );
(void)new QRadioButton( "Ra&diobutton 3", grp1 );
// ------- second group
// Create a non-exclusive buttongroup
QButtonGroup *grp2 = new QButtonGroup( 1, QGroupBox::Horizontal, "Button Group 2 (non-exclusive)", this );
box1->addWidget( grp2 );
grp2->setExclusive( FALSE );
// insert 3 checkboxes
(void)new QCheckBox( "&Checkbox 1", grp2 );
QCheckBox *cb12 = new QCheckBox( "C&heckbox 2", grp2 );
cb12->setChecked( TRUE );
QCheckBox *cb13 = new QCheckBox( "Triple &State Button", grp2 );
cb13->setTristate( TRUE );
cb13->setChecked( TRUE );
// ------------ third group
// create a buttongroup which is exclusive for radiobuttons and non-exclusive for all other buttons
QButtonGroup *grp3 = new QButtonGroup( 1, QGroupBox::Horizontal, "Button Group 3 (Radiobutton-exclusive)", this );
box2->addWidget( grp3 );
grp3->setRadioButtonExclusive( TRUE );
// insert three radiobuttons
rb21 = new QRadioButton( "Rad&iobutton 1", grp3 );
rb22 = new QRadioButton( "Radi&obutton 2", grp3 );
rb23 = new QRadioButton( "Radio&button 3", grp3 );
rb23->setChecked( TRUE );
// insert a checkbox...
state = new QCheckBox( "E&nable Radiobuttons", grp3 );
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 *grp4 = new QButtonGroup( 1, QGroupBox::Horizontal, "Groupbox with normal buttons", this );
box2->addWidget( grp4 );
// insert two pushbuttons...
(void)new QPushButton( "&Push Button", grp4 );
QPushButton *tb = new QPushButton( "&Toggle Button", grp4 );
// ... and make the second one a toggle button
tb->setToggleButton( TRUE );
tb->setOn( TRUE );
}
/*
* SLOT slotChangeGrp3State()
*
* enables/disables the radiobuttons of the third buttongroup
*/
void ButtonsGroups::slotChangeGrp3State()
{
rb21->setEnabled( state->isChecked() );
rb22->setEnabled( state->isChecked() );
rb23->setEnabled( state->isChecked() );
}
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