123 lines
4.7 KiB
C++
123 lines
4.7 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2018 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "validatorwidget.h"
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#include <QIntValidator>
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ValidatorWidget::ValidatorWidget(QWidget *parent)
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: QWidget(parent)
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{
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setupUi(this);
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connect(localeSelector, &LocaleSelector::localeSelected,
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this, &ValidatorWidget::setLocale);
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connect(localeSelector, &LocaleSelector::localeSelected,
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this, &ValidatorWidget::updateValidator);
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connect(localeSelector, &LocaleSelector::localeSelected,
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this, &ValidatorWidget::updateDoubleValidator);
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connect(minVal, &QSpinBox::editingFinished,
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this, &ValidatorWidget::updateValidator);
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connect(maxVal, &QSpinBox::editingFinished,
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this, &ValidatorWidget::updateValidator);
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connect(editor, &QLineEdit::editingFinished,
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ledWidget, &LEDWidget::flash);
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connect(doubleMaxVal, &QDoubleSpinBox::editingFinished,
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this, &ValidatorWidget::updateDoubleValidator);
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connect(doubleMinVal, &QDoubleSpinBox::editingFinished,
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this, &ValidatorWidget::updateDoubleValidator);
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connect(doubleDecimals, &QSpinBox::valueChanged,
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this, &ValidatorWidget::updateDoubleValidator);
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connect(doubleFormat, &QComboBox::activated,
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this, &ValidatorWidget::updateDoubleValidator);
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connect(doubleEditor, &QLineEdit::editingFinished,
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doubleLedWidget, &LEDWidget::flash);
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updateValidator();
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updateDoubleValidator();
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}
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void ValidatorWidget::updateValidator()
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{
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QIntValidator *v = new QIntValidator(minVal->value(), maxVal->value(), this);
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v->setLocale(locale());
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delete editor->validator();
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editor->setValidator(v);
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QString s = editor->text();
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int i = 0;
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if (v->validate(s, i) == QValidator::Invalid) {
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editor->clear();
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} else {
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editor->setText(s);
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}
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}
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void ValidatorWidget::updateDoubleValidator()
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{
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QDoubleValidator *v
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= new QDoubleValidator(doubleMinVal->value(), doubleMaxVal->value(),
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doubleDecimals->value(), this);
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v->setNotation(static_cast<QDoubleValidator::Notation>(doubleFormat->currentIndex()));
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v->setLocale(locale());
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delete doubleEditor->validator();
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doubleEditor->setValidator(v);
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QString s = doubleEditor->text();
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int i = 0;
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if (v->validate(s, i) == QValidator::Invalid) {
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doubleEditor->clear();
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} else {
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doubleEditor->setText(s);
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}
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}
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