diff options
Diffstat (limited to 'doc/src/snippets/qlabel/main.cpp')
-rw-r--r-- | doc/src/snippets/qlabel/main.cpp | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/doc/src/snippets/qlabel/main.cpp b/doc/src/snippets/qlabel/main.cpp new file mode 100644 index 0000000000..9d53af9e25 --- /dev/null +++ b/doc/src/snippets/qlabel/main.cpp @@ -0,0 +1,89 @@ +/**************************************************************************** +** +** 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" |