File indexing completed on 2024-05-19 16:31:41

 /*
  * SPDX-FileCopyrightText: 2018 Friedrich W. H. Kossebau <kossebau@kde.org>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "util.h"
 
 // KF
 #include <KLocalizedString>
 #include <KUnitConversion/Value>
 // Qt
 #include <QIcon>
 #include <QLocale>
 #include <QPixmap>
 // Std
 #include <cmath>
 
 template<typename T> T clampValue(T value, int decimals)
 {
     const T mul = std::pow(static_cast<T>(10), decimals);
     return int(value * mul) / mul;
 }
 
 Util::Util(QObject *parent)
     : QObject(parent)
 {
 }
 
 KUnitConversion::Converter Util::m_converter;
 
 QString Util::existingWeatherIconName(const QString &iconName) const
 {
     const bool isValid = !iconName.isEmpty() && QIcon::hasThemeIcon(iconName);
     return isValid ? iconName : QStringLiteral("weather-not-available");
 }
 
 QString Util::temperatureToDisplayString(int displayUnitType, double value, int valueUnitType, bool rounded, bool degreesOnly) const
 {
     KUnitConversion::Value v(value, static_cast<KUnitConversion::UnitId>(valueUnitType));
     v = v.convertTo(static_cast<KUnitConversion::UnitId>(displayUnitType));
 
     const QString unit = degreesOnly ? i18nc("Degree, unit symbol", "°") : v.unit().symbol();
 
     if (rounded) {
         int tempNumber = qRound(v.number());
         return i18nc("temperature unitsymbol", "%1 %2", tempNumber, unit);
     }
 
     const QString formattedTemp = QLocale().toString(clampValue(v.number(), 1), 'f', 1);
     return i18nc("temperature unitsymbol", "%1 %2", formattedTemp, unit);
 }
 
 QString Util::valueToDisplayString(int displayUnitType, double value, int valueUnitType, int precision) const
 {
     KUnitConversion::Value v(value, static_cast<KUnitConversion::UnitId>(valueUnitType));
     v = v.convertTo(static_cast<KUnitConversion::UnitId>(displayUnitType));
 
     // TODO: fix KUnitConversion to do locale encoded values and use that
     const QString formattedValue = QLocale().toString(clampValue(v.number(), precision), 'f', precision);
     return i18nc("value unitsymbol", "%1 %2", formattedValue, v.unit().symbol());
 }
 
 QString Util::percentToDisplayString(double value) const
 {
     const QString formattedPercentValue = QLocale().toString(clampValue(value, 0), 'f', 0);
     return i18nc("value percentsymbol", "%1 %", formattedPercentValue);
 }
 
 QString Util::nameFromUnitId(KUnitConversion::UnitId unitId)
 {
     const KUnitConversion::Unit unit = m_converter.unit(unitId);
     QString unitDescription = i18nc("@item %1 is a unit description and %2 its unit symbol", "%1 (%2)", unit.description(), unit.symbol());
     return unitDescription;
 }