/******************************************************************************** Copyright (C) 2006-2006 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 "mainwindow.h"#include "stylesheeteditor.h"MainWindow::MainWindow(){    ui.setupUi(this);    ui.nameLabel->setProperty("class", "mandatory QLabel");    styleSheetEditor = new StyleSheetEditor(this);    statusBar()->addWidget(new QLabel(tr("Ready")));    connect(ui.exitAction, SIGNAL(triggered()), qApp, SLOT(quit()));    connect(ui.aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt()));}void MainWindow::on_editStyleAction_triggered(){    styleSheetEditor->show();    styleSheetEditor->activateWindow();}void MainWindow::on_aboutAction_triggered(){    QMessageBox::about(this, tr("About Style sheet"),        tr("The <b>Style Sheet</b> example shows how widgets can be styled "           "using <a href=\"http://doc.trolltech.com/4.2/stylesheet.html\">Qt "           "Style Sheets</a>. Click <b>File|Edit Style Sheet</b> to pop up the "           "style editor, and either choose an existing style sheet or design "           "your own."));}