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+/****************************************************************************
+**
+** Copyright (C) 2011 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.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+** the names of its contributors may be used to endorse or promote
+** products derived from this software without specific prior written
+** permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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"