/****************************************************************************
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** This file is part of the documentation of the Qt Toolkit.
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** Alternatively, this file may be used under the terms of the GNU
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#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"
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