globals.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
#include "globals.h"
 
#include <QApplication>
#include <QColor>
#include <QPalette>
#include <QStyleHints>
 
namespace {
// Check for "Dark Mode", either system-wide or usage of a dark style
static bool isLight(const QColor &textColor)
{
    constexpr int DarkThreshold = 200;
    return textColor.red() > DarkThreshold && textColor.green() > DarkThreshold
            && textColor.blue() > DarkThreshold;
}
} // namespace
 
using namespace Qt::Literals::StringLiterals;
 
QT_BEGIN_NAMESPACE
 
const QString &settingsPrefix()
{
 
    static QString prefix =
            QString::number(QT_VERSION_MAJOR) + u'.' + QString::number(QT_VERSION_MINOR) + u'/';
    return prefix;
}
 
QString settingPath(const char *path)
{
    return settingsPrefix() + QLatin1String(path);
}
 
bool isDarkMode()
{
    return QGuiApplication::styleHints()->colorScheme() == Qt::ColorScheme::Dark
            || isLight(QGuiApplication::palette().color(QPalette::WindowText));
}
 
QPixmap createMarkIcon(TranslationMarks mark, bool darkMode)
{
    const QString prefix = darkMode ? ":/images/darkmarks"_L1 : ":/images/lightmarks"_L1;
    switch (mark) {
    case TranslationMarks::OnMark:
        return QPixmap(prefix + "/on-mark"_L1)
                .scaled(20, 20, Qt::KeepAspectRatio, Qt::SmoothTransformation);
    case TranslationMarks::OffMark:
        return QPixmap(prefix + "/off-mark"_L1)
                .scaled(20, 20, Qt::KeepAspectRatio, Qt::SmoothTransformation);
    case TranslationMarks::ObsoleteMark:
        return QPixmap(prefix + "/obsolete-mark"_L1)
                .scaled(20, 20, Qt::KeepAspectRatio, Qt::SmoothTransformation);
    case TranslationMarks::DangerMark:
        return QPixmap(prefix + "/danger-mark"_L1)
                .scaled(24, 24, Qt::KeepAspectRatio, Qt::SmoothTransformation);
    case TranslationMarks::WarningMark:
        return QPixmap(prefix + "/warning-mark"_L1)
                .scaled(20, 20, Qt::KeepAspectRatio, Qt::SmoothTransformation);
    case TranslationMarks::EmptyMark:
        return QPixmap(prefix + "/empty-mark"_L1)
                .scaled(20, 20, Qt::KeepAspectRatio, Qt::SmoothTransformation);
    };
    Q_UNREACHABLE_RETURN({});
}
 
QT_END_NAMESPACE