window.cpp Example File

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  #include <QtWidgets>

  #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;
  }