1 files changed, 122 insertions, 0 deletions
diff --git a/examples/widgets/widgets/validators/validatorwidget.cpp b/examples/widgets/widgets/validators/validatorwidget.cpp
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+++ b/examples/widgets/widgets/validators/validatorwidget.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, 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 The Qt Company Ltd 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 "validatorwidget.h"
+
+#include <QtWidgets>
+
+ValidatorWidget::ValidatorWidget(QWidget *parent)
+    : QWidget(parent)
+{
+    setupUi(this);
+
+    connect(localeSelector, &LocaleSelector::localeSelected,
+            this, &ValidatorWidget::setLocale);
+    connect(localeSelector, &LocaleSelector::localeSelected,
+            this, &ValidatorWidget::updateValidator);
+    connect(localeSelector, &LocaleSelector::localeSelected,
+            this, &ValidatorWidget::updateDoubleValidator);
+
+    connect(minVal, &QSpinBox::editingFinished,
+            this, &ValidatorWidget::updateValidator);
+    connect(maxVal, &QSpinBox::editingFinished,
+            this, &ValidatorWidget::updateValidator);
+    connect(editor, &QLineEdit::editingFinished,
+            ledWidget, &LEDWidget::flash);
+
+    connect(doubleMaxVal, &QDoubleSpinBox::editingFinished,
+            this, &ValidatorWidget::updateDoubleValidator);
+    connect(doubleMinVal, &QDoubleSpinBox::editingFinished,
+            this, &ValidatorWidget::updateDoubleValidator);
+    connect(doubleDecimals, QOverload<int>::of(&QSpinBox::valueChanged),
+            this, &ValidatorWidget::updateDoubleValidator);
+    connect(doubleFormat, QOverload<int>::of(&QComboBox::activated),
+            this, &ValidatorWidget::updateDoubleValidator);
+    connect(doubleEditor, &QLineEdit::editingFinished,
+            doubleLedWidget, &LEDWidget::flash);
+
+    updateValidator();
+    updateDoubleValidator();
+}
+
+void ValidatorWidget::updateValidator()
+{
+    QIntValidator *v = new QIntValidator(minVal->value(), maxVal->value(), this);
+    v->setLocale(locale());
+    delete editor->validator();
+    editor->setValidator(v);
+
+    QString s = editor->text();
+    int i = 0;
+    if (v->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());
+    delete doubleEditor->validator();
+    doubleEditor->setValidator(v);
+
+    QString s = doubleEditor->text();
+    int i = 0;
+    if (v->validate(s, i) == QValidator::Invalid) {
+        doubleEditor->clear();
+    } else {
+        doubleEditor->setText(s);
+    }
+}