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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]
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