moment/src/utils.h

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// Copyright Mirage authors & contributors <https://github.com/mirukana/mirage>
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// SPDX-License-Identifier: LGPL-3.0-or-later
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// The Utils class exposes various useful functions for QML that aren't
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// provided by the `Qt` object.
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#ifndef UTILS_H
#define UTILS_H
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#include <QColor>
#include <QLocale>
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#include <QObject>
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#include <QUuid>
#ifdef Q_OS_LINUX
#ifndef NO_X11
#define USE_LINUX_AUTOAWAY
#include <X11/extensions/scrnsaver.h>
#endif
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#endif
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#include "../submodules/hsluv-c/src/hsluv.h"
class Utils : public QObject {
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Q_OBJECT
public:
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Utils() {};
public slots:
QString formattedBytes(qint64 bytes, int precision = 2) {
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return this->appLocale.formattedDataSize(
bytes, precision, QLocale::DataSizeTraditionalFormat
);
}
QString uuid() const {
return QUuid::createUuid().toString(QUuid::WithoutBraces);
}
QColor hsluv(qreal hue, qreal sat, qreal luv, qreal alpha = 1.0) const {
double red, green, blue;
hsluv2rgb(hue, sat, luv, &red, &green, &blue);
return QColor::fromRgbF(
qMax(0.0, qMin(1.0, red)),
qMax(0.0, qMin(1.0, green)),
qMax(0.0, qMin(1.0, blue)),
qMax(0.0, qMin(1.0, alpha))
);
}
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int idleMilliseconds() const {
#ifdef Q_OS_DARWIN
return -1;
#elif defined(USE_LINUX_AUTOAWAY)
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Display *display = XOpenDisplay(NULL);
if (! display) return -1;
XScreenSaverInfo *info = XScreenSaverAllocInfo();
XScreenSaverQueryInfo(display, DefaultRootWindow(display), info);
const int idle = info->idle;
XCloseDisplay(display);
return idle;
#elif defined(Q_OS_WINDOWS)
return -1;
#else
return -1;
#endif
}
private:
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QLocale appLocale;
};
#endif