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/*
* SPDX-FileCopyrightText: 2024 Eugene Popov <popov895@ukr.net>
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "kcalc_numeralsystem_view.h"
#include <QApplication>
#include <QBoxLayout>
#include <QClipboard>
#include <QEvent>
#include <QLabel>
#include <KLocalizedString>
#include <KSqueezedTextLabel>
// KCalcNumeralSystemLabel
KCalcNumeralSystemLabel::KCalcNumeralSystemLabel(QWidget *parent)
: QWidget(parent)
{
setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Fixed);
m_textLabel = new KSqueezedTextLabel;
m_textLabel->setContextMenuPolicy(Qt::NoContextMenu);
m_numeralSystemLabel = new QLabel;
QHBoxLayout *layout = new QHBoxLayout;
layout->setContentsMargins(QMargins());
layout->setSpacing(0);
layout->addWidget(m_textLabel);
layout->addWidget(m_numeralSystemLabel, 0, Qt::AlignBottom);
setLayout(layout);
setContextMenuPolicy(Qt::ActionsContextMenu);
addAction(QIcon::fromTheme(QStringLiteral("edit-copy")), i18nc("@action:inmenu", "&Copy"), this, [this]() {
QApplication::clipboard()->setText(m_textLabel->fullText());
});
updateAlignment();
}
void KCalcNumeralSystemLabel::setNumber(quint64 number, int base)
{
m_textLabel->setText(QString::number(number, base).toUpper());
m_textLabel->setAccessibleName(m_textLabel->fullText());
m_numeralSystemLabel->setText(QStringLiteral("<sub><b>%1</b></sub>").arg(base));
}
void KCalcNumeralSystemLabel::changeEvent(QEvent *event)
{
QWidget::changeEvent(event);
if (event->type() == QEvent::LayoutDirectionChange) {
updateAlignment();
}
}
void KCalcNumeralSystemLabel::updateAlignment()
{
m_textLabel->setAlignment(layoutDirection() == Qt::RightToLeft ? Qt::AlignLeft : Qt::AlignRight);
}
// KCalcNumeralSystemView
KCalcNumeralSystemView::KCalcNumeralSystemView(QWidget *parent)
: QWidget(parent)
{
setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Fixed);
m_label1 = new KCalcNumeralSystemLabel;
m_label2 = new KCalcNumeralSystemLabel;
m_label3 = new KCalcNumeralSystemLabel;
QHBoxLayout *layout = new QHBoxLayout;
layout->setSpacing(12);
layout->addWidget(m_label1, 1);
layout->addWidget(m_label2, 1);
layout->addWidget(m_label3, 1);
setLayout(layout);
updateLabels();
}
void KCalcNumeralSystemView::setNumber(quint64 number, int base)
{
if (m_number == number && m_base == base) {
return;
}
m_number = number;
m_base = base;
updateLabels();
}
void KCalcNumeralSystemView::clearNumber()
{
if (!m_number) {
return;
}
m_number.reset();
updateLabels();
}
void KCalcNumeralSystemView::updateLabels()
{
const bool isValidNumber = m_number.has_value();
if (isValidNumber) {
const quint64 number = m_number.value();
switch (m_base) {
case 16:
m_label1->setNumber(number, 10);
m_label2->setNumber(number, 8);
m_label3->setNumber(number, 2);
break;
case 8:
m_label1->setNumber(number, 16);
m_label2->setNumber(number, 10);
m_label3->setNumber(number, 2);
break;
case 2:
m_label1->setNumber(number, 16);
m_label2->setNumber(number, 10);
m_label3->setNumber(number, 8);
break;
default: // 10
m_label1->setNumber(number, 16);
m_label2->setNumber(number, 8);
m_label3->setNumber(number, 2);
break;
}
}
for (KCalcNumeralSystemLabel *label : {m_label1, m_label2, m_label3}) {
label->setVisible(isValidNumber);
}
}
#include "moc_kcalc_numeralsystem_view.cpp"
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