diff -r 000000000000 -r 1918ee327afb examples/widgets/validators/main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/widgets/validators/main.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,137 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qdebug.h>
+#include <QApplication>
+#include <QLineEdit>
+#include <QValidator>
+
+#include "ui_validators.h"
+
+class ValidatorWidget : public QWidget, public Ui::ValidatorsForm
+{
+    Q_OBJECT
+public:
+    ValidatorWidget(QWidget *parent = 0);
+
+private slots:
+    void updateValidator();
+    void updateDoubleValidator();
+    void _setLocale(const QLocale &l) { setLocale(l); updateValidator(); updateDoubleValidator(); }
+
+private:
+    QIntValidator *validator;
+    QDoubleValidator *doubleValidator;
+};
+
+ValidatorWidget::ValidatorWidget(QWidget *parent)
+    : QWidget(parent)
+{
+    setupUi(this);
+
+    connect(localeSelector, SIGNAL(localeSelected(QLocale)), this, SLOT(_setLocale(QLocale)));
+
+    connect(minVal, SIGNAL(editingFinished()), this, SLOT(updateValidator()));
+    connect(maxVal, SIGNAL(editingFinished()), this, SLOT(updateValidator()));
+    connect(editor, SIGNAL(editingFinished()), ledWidget, SLOT(flash()));
+
+    connect(doubleMaxVal, SIGNAL(editingFinished()), this, SLOT(updateDoubleValidator()));
+    connect(doubleMinVal, SIGNAL(editingFinished()), this, SLOT(updateDoubleValidator()));
+    connect(doubleDecimals, SIGNAL(valueChanged(int)), this, SLOT(updateDoubleValidator()));
+    connect(doubleFormat, SIGNAL(activated(int)), this, SLOT(updateDoubleValidator()));
+    connect(doubleEditor, SIGNAL(editingFinished()), doubleLedWidget, SLOT(flash()));
+
+    validator = 0;
+    doubleValidator = 0;
+    updateValidator();
+    updateDoubleValidator();
+};
+
+void ValidatorWidget::updateValidator()
+{
+    QIntValidator *v = new QIntValidator(minVal->value(), maxVal->value(), this);
+    v->setLocale(locale());
+    editor->setValidator(v);
+    delete validator;
+    validator = v;
+
+    QString s = editor->text();
+    int i = 0;
+    if (validator->validate(s, i) == QValidator::Invalid) {
+        editor->clear();
+    } else {
+        editor->setText(s);
+    }
+}
+
+void ValidatorWidget::updateDoubleValidator()
+{
+    QDoubleValidator *v
+        = new QDoubleValidator(doubleMinVal->value(), doubleMaxVal->value(),
+                                doubleDecimals->value(), this);
+    v->setNotation(static_cast<QDoubleValidator::Notation>(doubleFormat->currentIndex()));
+    v->setLocale(locale());
+    doubleEditor->setValidator(v);
+    delete doubleValidator;
+    doubleValidator = v;
+
+    QString s = doubleEditor->text();
+    int i = 0;
+    if (doubleValidator->validate(s, i) == QValidator::Invalid) {
+        doubleEditor->clear();
+    } else {
+        doubleEditor->setText(s);
+    }
+}
+
+int main(int argc, char **argv)
+{
+    Q_INIT_RESOURCE(validators);
+
+    QApplication app(argc, argv);
+
+    ValidatorWidget w;
+    w.show();
+
+    return app.exec();
+}
+
+#include "main.moc"