/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** This file is part of the documentation of the Qt Toolkit.
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**
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** met:
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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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****************************************************************************/

//! [0]
Q3MainWindow *mw = new Q3MainWindow;
QTextEdit *edit = new QTextEdit(mw, "editor");
edit->setFocus();
mw->setWindowTitle("Main Window");
mw->setCentralWidget(edit);
mw->show();
//! [0]


//! [1]
Q3ToolBar *tb = new Q3ToolBar(this);
addDockWindow(tb, tr("Menubar"), Top, false);
QMenuBar *mb = new QMenuBar(tb);
mb->setFrameStyle(QFrame::NoFrame);
tb->setStretchableWidget(mb);
setDockEnabled(tb, Left, false);
setDockEnabled(tb, Right, false);
//! [1]


//! [2]
QFile file(filename);
if (file.open(IO_WriteOnly)) {
    QTextStream stream(&file);
    stream << *mainWindow;
    file.close();
}
//! [2]


//! [3]
QFile file(filename);
if (file.open(IO_ReadOnly)) {
    QTextStream stream(&file);
    stream >> *mainWindow;
    file.close();
}
//! [3]


//! [4]
Q3PopupMenu * help = new Q3PopupMenu(this);
help->insertItem("What's &This", this , SLOT(enterWhatsThis()), Qt::SHIFT+Qt::Key_F1);
//! [4]