- Qt 5.5
- Qt Widgets
- Group Box Example
- window.cpp Example File
- Qt 5.5.1 Reference Documentation

# window.cpp Example File

widgets/groupbox/window.cpp

    /****************************************************************************
    **
    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** This file is part of the examples of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
    ** You may use this file under the terms of the BSD license as follows:
    **
    ** "Redistribution and use in source and binary forms, with or without
    ** modification, are permitted provided that the following conditions are
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    **   * Redistributions of source code must retain the above copyright
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    **     notice, this list of conditions and the following disclaimer in
    **     the documentation and/or other materials provided with the
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    **     contributors may be used to endorse or promote products derived
    **     from this software without specific prior written permission.
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    ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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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;
    }