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

        /****************************************************************************
        **
        ** Copyright (C) 2005-2006 Trolltech AS. All rights reserved.
        **
        ** This file is part of the documentation 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);
        }