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# window.cpp Example File
widgets/groupbox/window.cpp

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        ** This file is part of the documentation of the Qt Toolkit.
        **
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    ** LICENSE.QPL included in the packaging of this file.
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    ** This file may be distributed and/or modified under the terms of the
    ** GNU General Public License version 2 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file.
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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;
        }