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

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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 Boxes"));
         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);

         QAction *newAction = menu->addAction(tr("Submenu"));
         QMenu *subMenu = new QMenu(tr("Popup Submenu"));
         subMenu->addAction(tr("Item 1"));
         subMenu->addAction(tr("Item 2"));
         subMenu->addAction(tr("Item 3"));
         newAction->setMenu(subMenu);

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

         return groupBox;
     }