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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 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 the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+class Updater : public QObject
+{
+ Q_OBJECT
+
+public:
+ Updater(QWidget *widget);
+
+public slots:
+ void adjustSize();
+
+private:
+ QWidget *widget;
+};
+
+Updater::Updater(QWidget *widget)
+ : widget(widget)
+{
+}
+
+void Updater::adjustSize()
+{
+ widget->adjustSize();
+}
+
+int main(int argc, char *argv[])
+{
+ QApplication app(argc, argv);
+ QLabel *label = new QLabel("My label");
+ QLineEdit *editor = new QLineEdit("New text");
+ QWidget window;
+ //Updater updater(&label);
+ QObject::connect(editor, SIGNAL(textChanged(const QString &)),
+ label, SLOT(setText(const QString &)));
+ //QObject::connect(editor, SIGNAL(textChanged(const QString &)),
+ // &updater, SLOT(adjustSize()));
+ //editor.show();
+ //label.show();
+ QVBoxLayout *layout = new QVBoxLayout;
+ layout->addWidget(label);
+ layout->addWidget(editor);
+ window.setLayout(layout);
+ window.show();
+ return app.exec();
+}
+
+#include "main.moc"