| /**************************************************************************** |
| ** |
| ** Copyright (C) 2018 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Charts module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** 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. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| #include <private/valueaxislabel_p.h> |
| |
| #include <QtCore/qlocale.h> |
| |
| QT_CHARTS_BEGIN_NAMESPACE |
| |
| ValueAxisLabel::ValueAxisLabel(QGraphicsItem *parent) : |
| EditableAxisLabel(parent) |
| { |
| |
| } |
| |
| void ValueAxisLabel::finishEditing() |
| { |
| bool ok = false; |
| QLocale locale; |
| qreal oldValue = m_value; |
| qreal newValue = locale.toDouble(document()->toPlainText(), &ok); |
| if (ok && newValue != m_value) { |
| m_value = newValue; |
| emit valueChanged(oldValue, newValue); |
| } else { |
| document()->setHtml(m_htmlBeforeEdit); |
| } |
| } |
| |
| void ValueAxisLabel::resetBeforeEditValue() |
| { |
| m_value = m_valueBeforeEdit; |
| } |
| |
| qreal ValueAxisLabel::value() const |
| { |
| return m_value; |
| } |
| |
| void ValueAxisLabel::setValue(const qreal &value) |
| { |
| setTextInteractionFlags(Qt::NoTextInteraction); |
| clearFocus(); |
| m_value = value; |
| } |
| |
| void ValueAxisLabel::setInitialEditValue() |
| { |
| m_valueBeforeEdit = m_value; |
| setHtml(QString::number(m_value)); |
| } |
| |
| void ValueAxisLabel::keyPressEvent(QKeyEvent *event) |
| { |
| if (isEditEndingKeyPress(event)) { |
| // prevent further event processing with a return |
| // because the focusOutEvent could have triggered |
| // a range change which might have invalidated the current label |
| return; |
| } |
| |
| if (event->text().length() >= 1) { |
| QLocale locale; |
| if (!event->text().at(0).isDigit() |
| && event->text().at(0) != locale.decimalPoint() |
| && event->text().at(0) != locale.negativeSign() |
| && event->text().at(0) != locale.exponential() |
| && event->key() != Qt::Key_Backspace |
| && event->key() != Qt::Key_Delete) { |
| event->ignore(); |
| return; |
| } |
| } |
| QGraphicsTextItem::keyPressEvent(event); |
| } |
| |
| QT_CHARTS_END_NAMESPACE |
| |
| #include "moc_valueaxislabel_p.cpp" |