126 lines
3.1 KiB
C++
126 lines
3.1 KiB
C++
// 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
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#define UTILS_H
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#include <QColor>
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#include <QLocale>
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#include <QObject>
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#include <QUuid>
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#include <QNetworkProxy>
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#include <QUrl>
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#include <QDebug>
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#ifdef Q_OS_LINUX
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#ifndef NO_X11
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#define USE_LINUX_AUTOAWAY
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#include <X11/extensions/scrnsaver.h>
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#endif
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#endif
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#include "../submodules/hsluv-c/src/hsluv.h"
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class Utils : public QObject {
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Q_OBJECT
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public:
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Utils() {};
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public slots:
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QString formattedBytes(qint64 bytes, int precision = 2) {
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return this->appLocale.formattedDataSize(
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bytes, precision, QLocale::DataSizeTraditionalFormat
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);
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}
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QString uuid() const {
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return QUuid::createUuid().toString(QUuid::WithoutBraces);
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}
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QColor hsluv(qreal hue, qreal sat, qreal luv, qreal alpha = 1.0) const {
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double red, green, blue;
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hsluv2rgb(
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hue,
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qMax(0.0, qMin(100.0, sat)),
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qMax(0.0, qMin(100.0, luv)),
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&red, &green, &blue
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);
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return QColor::fromRgbF(
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qMax(0.0, qMin(1.0, red)),
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qMax(0.0, qMin(1.0, green)),
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qMax(0.0, qMin(1.0, blue)),
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qMax(0.0, qMin(1.0, alpha))
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);
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}
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int idleMilliseconds() const {
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#ifdef Q_OS_DARWIN
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return -1;
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#elif defined(USE_LINUX_AUTOAWAY)
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if (! this->waylandDisplay.isEmpty()) return -1;
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Display *display = XOpenDisplay(NULL);
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if (! display) return -1;
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int supportedVersion = 0, error = 0;
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if (! XScreenSaverQueryExtension(display, &supportedVersion, &error))
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return -1;
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XScreenSaverInfo *info = XScreenSaverAllocInfo();
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XScreenSaverQueryInfo(display, DefaultRootWindow(display), info);
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XFree(info);
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const int idle = info->idle;
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XCloseDisplay(display);
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return idle;
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#elif defined(Q_OS_WINDOWS)
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return -1;
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#else
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return -1;
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#endif
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}
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void setProxy(QUrl url) const {
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const QUrl envProxy = QUrl(qEnvironmentVariable("http_proxy"));
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if (! envProxy.isEmpty()) url = envProxy;
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if (url.isEmpty()) return;
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const QString scheme = url.scheme();
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if (scheme != "socks5" && scheme != "http") {
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qCritical() << "Unsupported proxy type on the Qt side:" << scheme;
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return;
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}
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QNetworkProxy proxy;
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proxy.setType(
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scheme == "socks5" ?
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QNetworkProxy::Socks5Proxy :
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QNetworkProxy::HttpProxy
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);
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proxy.setHostName(url.host());
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proxy.setPort(url.port() == -1 ? 0 : url.port());
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proxy.setUser(url.userName());
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proxy.setPassword(url.password());
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QNetworkProxy::setApplicationProxy(proxy);
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}
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private:
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QLocale appLocale;
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QString waylandDisplay = qEnvironmentVariable("WAYLAND_DISPLAY");
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};
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#endif
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