| 1 | // Copyright (C) 2018 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
| 3 | #include <private/valueaxislabel_p.h> |
| 4 | |
| 5 | #include <QtCore/qlocale.h> |
| 6 | |
| 7 | QT_BEGIN_NAMESPACE |
| 8 | |
| 9 | ValueAxisLabel::ValueAxisLabel(QGraphicsItem *parent) : |
| 10 | EditableAxisLabel(parent) |
| 11 | { |
| 12 | |
| 13 | } |
| 14 | |
| 15 | void ValueAxisLabel::finishEditing() |
| 16 | { |
| 17 | bool ok = false; |
| 18 | QLocale locale; |
| 19 | qreal oldValue = m_value; |
| 20 | qreal newValue = locale.toDouble(s: document()->toPlainText(), ok: &ok); |
| 21 | if (ok && newValue != m_value) { |
| 22 | m_value = newValue; |
| 23 | emit valueChanged(oldValue, newValue); |
| 24 | } else { |
| 25 | document()->setHtml(m_htmlBeforeEdit); |
| 26 | } |
| 27 | } |
| 28 | |
| 29 | void ValueAxisLabel::resetBeforeEditValue() |
| 30 | { |
| 31 | m_value = m_valueBeforeEdit; |
| 32 | } |
| 33 | |
| 34 | qreal ValueAxisLabel::value() const |
| 35 | { |
| 36 | return m_value; |
| 37 | } |
| 38 | |
| 39 | void ValueAxisLabel::setValue(const qreal &value) |
| 40 | { |
| 41 | setTextInteractionFlags(Qt::NoTextInteraction); |
| 42 | clearFocus(); |
| 43 | m_value = value; |
| 44 | } |
| 45 | |
| 46 | void ValueAxisLabel::setInitialEditValue() |
| 47 | { |
| 48 | m_valueBeforeEdit = m_value; |
| 49 | setHtml(QString::number(m_value)); |
| 50 | } |
| 51 | |
| 52 | void ValueAxisLabel::keyPressEvent(QKeyEvent *event) |
| 53 | { |
| 54 | if (isEditEndingKeyPress(event)) { |
| 55 | // prevent further event processing with a return |
| 56 | // because the focusOutEvent could have triggered |
| 57 | // a range change which might have invalidated the current label |
| 58 | return; |
| 59 | } |
| 60 | |
| 61 | if (event->text().size() >= 1) { |
| 62 | QLocale locale; |
| 63 | if (!event->text().at(i: 0).isDigit() |
| 64 | && event->text().at(i: 0) != locale.decimalPoint() |
| 65 | && event->text().at(i: 0) != locale.negativeSign() |
| 66 | && event->text().at(i: 0) != locale.exponential() |
| 67 | && event->key() != Qt::Key_Backspace |
| 68 | && event->key() != Qt::Key_Delete) { |
| 69 | event->ignore(); |
| 70 | return; |
| 71 | } |
| 72 | } |
| 73 | QGraphicsTextItem::keyPressEvent(event); |
| 74 | } |
| 75 | |
| 76 | QT_END_NAMESPACE |
| 77 | |
| 78 | #include "moc_valueaxislabel_p.cpp" |
| 79 |