window.cpp Example File
^{widgets/groupbox/window.cpp}

    /****************************************************************************
    **
    ** Copyright (C) 2004-2005 Trolltech AS. All rights reserved.
    **
    ** This file is part of the documentation of the Qt Toolkit.
    **
    ** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
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    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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    ****************************************************************************/

    #include <QtGui>

    #include "window.h"

    Window::Window(QWidget *parent)
        : QWidget(parent)
    {
        QGridLayout *grid = new QGridLayout;
        grid->addWidget(createFirstExclusiveGroup(), 0, 0);
        grid->addWidget(createSecondExclusiveGroup(), 1, 0);
        grid->addWidget(createNonExclusiveGroup(), 0, 1);
        grid->addWidget(createPushButtonGroup(), 1, 1);
        setLayout(grid);

        setWindowTitle(tr("Group Box"));
        resize(480, 320);
    }

    QGroupBox *Window::createFirstExclusiveGroup()
    {
        QGroupBox *groupBox = new QGroupBox(tr("Exclusive Radio Buttons"));

        QRadioButton *radio1 = new QRadioButton(tr("&Radio button 1"));
        QRadioButton *radio2 = new QRadioButton(tr("R&adio button 2"));
        QRadioButton *radio3 = new QRadioButton(tr("Ra&dio button 3"));

        radio1->setChecked(true);

        QVBoxLayout *vbox = new QVBoxLayout;
        vbox->addWidget(radio1);
        vbox->addWidget(radio2);
        vbox->addWidget(radio3);
        vbox->addStretch(1);
        groupBox->setLayout(vbox);

        return groupBox;
    }

    QGroupBox *Window::createSecondExclusiveGroup()
    {
        QGroupBox *groupBox = new QGroupBox(tr("E&xclusive Radio Buttons"));
        groupBox->setCheckable(true);
        groupBox->setChecked(false);

        QRadioButton *radio1 = new QRadioButton(tr("Rad&io button 1"));
        QRadioButton *radio2 = new QRadioButton(tr("Radi&o button 2"));
        QRadioButton *radio3 = new QRadioButton(tr("Radio &button 3"));
        radio1->setChecked(true);
        QCheckBox *checkBox = new QCheckBox(tr("Ind&ependent checkbox"));
        checkBox->setChecked(true);

        QVBoxLayout *vbox = new QVBoxLayout;
        vbox->addWidget(radio1);
        vbox->addWidget(radio2);
        vbox->addWidget(radio3);
        vbox->addWidget(checkBox);
        vbox->addStretch(1);
        groupBox->setLayout(vbox);

        return groupBox;
    }

    QGroupBox *Window::createNonExclusiveGroup()
    {
        QGroupBox *groupBox = new QGroupBox(tr("Non-Exclusive Checkboxes"));
        groupBox->setFlat(true);

        QCheckBox *checkBox1 = new QCheckBox(tr("&Checkbox 1"));
        QCheckBox *checkBox2 = new QCheckBox(tr("C&heckbox 2"));
        checkBox2->setChecked(true);
        QCheckBox *tristateBox = new QCheckBox(tr("Tri-&state button"));
        tristateBox->setTristate(true);
        tristateBox->setCheckState(Qt::PartiallyChecked);

        QVBoxLayout *vbox = new QVBoxLayout;
        vbox->addWidget(checkBox1);
        vbox->addWidget(checkBox2);
        vbox->addWidget(tristateBox);
        vbox->addStretch(1);
        groupBox->setLayout(vbox);

        return groupBox;
    }

    QGroupBox *Window::createPushButtonGroup()
    {
        QGroupBox *groupBox = new QGroupBox(tr("&Push Buttons"));
        groupBox->setCheckable(true);
        groupBox->setChecked(true);

        QPushButton *pushButton = new QPushButton(tr("&Normal Button"));
        QPushButton *toggleButton = new QPushButton(tr("&Toggle Button"));
        toggleButton->setCheckable(true);
        toggleButton->setChecked(true);
        QPushButton *flatButton = new QPushButton(tr("&Flat Button"));
        flatButton->setFlat(true);

        QPushButton *popupButton = new QPushButton(tr("Pop&up Button"));
        QMenu *menu = new QMenu(this);
        menu->addAction(tr("&First Item"));
        menu->addAction(tr("&Second Item"));
        menu->addAction(tr("&Third Item"));
        menu->addAction(tr("F&ourth Item"));
        popupButton->setMenu(menu);

        QVBoxLayout *vbox = new QVBoxLayout;
        vbox->addWidget(pushButton);
        vbox->addWidget(toggleButton);
        vbox->addWidget(flatButton);
        vbox->addWidget(popupButton);
        vbox->addStretch(1);
        groupBox->setLayout(vbox);

        return groupBox;
    }