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    <title>Qt 4.0: window.cpp Example File (widgets/groupbox/window.cpp)</title>
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<td align="right" valign="top" width="230"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></td></tr></table><h1 align="center">window.cpp Example File<br /><small><small>widgets/groupbox/window.cpp</small></small></h1>
<pre>&nbsp;   /****************************************************************************
    **
    ** Copyright (C) 2004-2005 Trolltech AS. All rights reserved.
    **
    ** This file is part of the documentation of the Qt Toolkit.
    **
    ** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** 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.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
**   information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ****************************************************************************/

    #include &lt;QtGui&gt;

    #include &quot;window.h&quot;

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

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

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

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

        radio1-&gt;setChecked(true);

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

        return groupBox;
    }

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

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

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

        return groupBox;
    }

    QGroupBox *Window::createNonExclusiveGroup()
    {
        QGroupBox *groupBox = new QGroupBox(tr(&quot;Non-Exclusive Checkboxes&quot;));
        groupBox-&gt;setFlat(true);

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

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

        return groupBox;
    }

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

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

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

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

        return groupBox;
    }</pre>
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