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# previewwindow.cpp Example File
widgets/windowflags/previewwindow.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2005-2006 Trolltech ASA. All rights reserved.
     **
     ** This file is part of the example classes of the Qt Toolkit.
     **
     ** This file may be used under the terms of the GNU General Public
     ** License version 2.0 as published by the Free Software Foundation
     ** and appearing in the file LICENSE.GPL included in the packaging of
     ** this file.  Please review the following information to ensure GNU
     ** General Public Licensing requirements will be met:
     ** http://www.trolltech.com/products/qt/opensource.html
     **
     ** If you are unsure which license is appropriate for your use, please
     ** review the following information:
     ** http://www.trolltech.com/products/qt/licensing.html or contact the
     ** sales department at sales@trolltech.com.
     **
     ** 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 <QtGui>

     #include "previewwindow.h"

     PreviewWindow::PreviewWindow(QWidget *parent)
         : QWidget(parent)
     {
         textEdit = new QTextEdit;
         textEdit->setReadOnly(true);
         textEdit->setLineWrapMode(QTextEdit::NoWrap);

         closeButton = new QPushButton(tr("&Close"));
         connect(closeButton, SIGNAL(clicked()), this, SLOT(close()));

         QVBoxLayout *layout = new QVBoxLayout;
         layout->addWidget(textEdit);
         layout->addWidget(closeButton);
         setLayout(layout);

         setWindowTitle(tr("Preview"));
     }

     void PreviewWindow::setWindowFlags(Qt::WindowFlags flags)
     {
         QWidget::setWindowFlags(flags);

         QString text;

         Qt::WindowFlags type = (flags & Qt::WindowType_Mask);
         if (type == Qt::Window) {
             text = "Qt::Window";
         } else if (type == Qt::Dialog) {
             text = "Qt::Dialog";
         } else if (type == Qt::Sheet) {
             text = "Qt::Sheet";
         } else if (type == Qt::Drawer) {
             text = "Qt::Drawer";
         } else if (type == Qt::Popup) {
             text = "Qt::Popup";
         } else if (type == Qt::Tool) {
             text = "Qt::Tool";
         } else if (type == Qt::ToolTip) {
             text = "Qt::ToolTip";
         } else if (type == Qt::SplashScreen) {
             text = "Qt::SplashScreen";
         }

         if (flags & Qt::MSWindowsFixedSizeDialogHint)
             text += "\n| Qt::MSWindowsFixedSizeDialogHint";
         if (flags & Qt::X11BypassWindowManagerHint)
             text += "\n| Qt::X11BypassWindowManagerHint";
         if (flags & Qt::FramelessWindowHint)
             text += "\n| Qt::FramelessWindowHint";
         if (flags & Qt::WindowTitleHint)
             text += "\n| Qt::WindowTitleHint";
         if (flags & Qt::WindowSystemMenuHint)
             text += "\n| Qt::WindowSystemMenuHint";
         if (flags & Qt::WindowMinimizeButtonHint)
             text += "\n| Qt::WindowMinimizeButtonHint";
         if (flags & Qt::WindowMaximizeButtonHint)
             text += "\n| Qt::WindowMaximizeButtonHint";
         if (flags & Qt::WindowContextHelpButtonHint)
             text += "\n| Qt::WindowContextHelpButtonHint";
         if (flags & Qt::WindowShadeButtonHint)
             text += "\n| Qt::WindowShadeButtonHint";
         if (flags & Qt::WindowStaysOnTopHint)
             text += "\n| Qt::WindowStaysOnTopHint";

         textEdit->setPlainText(text);
     }