| 1 | /* |
| 2 | * SPDX-FileCopyrightText: 2021 Nicolas Fella <nicolas.fella@gmx.de> |
| 3 | * |
| 4 | * SPDX-License-Identifier: LGPL-2.0-or-later |
| 5 | */ |
| 6 | |
| 7 | #include "kcolorschemewatcher_xdg.h" |
| 8 | |
| 9 | #include <QDBusConnection> |
| 10 | #include <QDBusMessage> |
| 11 | #include <QDBusReply> |
| 12 | #include <QDBusVariant> |
| 13 | #include <QDebug> |
| 14 | |
| 15 | KColorSchemeWatcherXDG::KColorSchemeWatcherXDG() |
| 16 | : KColorSchemeWatcherBackend() |
| 17 | { |
| 18 | QDBusConnection::sessionBus().connect(QStringLiteral("org.freedesktop.portal.Desktop" ), |
| 19 | QStringLiteral("/org/freedesktop/portal/desktop" ), |
| 20 | QStringLiteral("org.freedesktop.portal.Settings" ), |
| 21 | QStringLiteral("SettingChanged" ), |
| 22 | receiver: this, |
| 23 | SLOT(slotSettingChanged(QString, QString, QDBusVariant))); |
| 24 | |
| 25 | QDBusMessage m = QDBusMessage::createMethodCall(QStringLiteral("org.freedesktop.portal.Desktop" ), |
| 26 | QStringLiteral("/org/freedesktop/portal/desktop" ), |
| 27 | QStringLiteral("org.freedesktop.portal.Settings" ), |
| 28 | QStringLiteral("Read" )); |
| 29 | m.setArguments({QStringLiteral("org.freedesktop.appearance" ), QStringLiteral("color-scheme" )}); |
| 30 | |
| 31 | QDBusReply<QDBusVariant> reply = QDBusConnection::sessionBus().call(message: m); |
| 32 | |
| 33 | if (reply.isValid()) { |
| 34 | const uint result = reply.value().variant().value<QDBusVariant>().variant().toUInt(); |
| 35 | m_preference = fdoToInternal(value: result); |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | KColorSchemeWatcher::ColorPreference KColorSchemeWatcherXDG::systemPreference() const |
| 40 | { |
| 41 | return m_preference; |
| 42 | } |
| 43 | |
| 44 | void KColorSchemeWatcherXDG::slotSettingChanged(QString nameSpace, QString key, QDBusVariant value) |
| 45 | { |
| 46 | if (nameSpace == QLatin1String("org.freedesktop.appearance" ) && key == QLatin1String("color-scheme" )) { |
| 47 | const uint result = value.variant().toUInt(); |
| 48 | auto newValue = fdoToInternal(value: result); |
| 49 | |
| 50 | if (m_preference != newValue) { |
| 51 | m_preference = fdoToInternal(value: result); |
| 52 | Q_EMIT systemPreferenceChanged(); |
| 53 | } |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | KColorSchemeWatcher::ColorPreference KColorSchemeWatcherXDG::fdoToInternal(uint value) const |
| 58 | { |
| 59 | if (value == 0) { |
| 60 | return KColorSchemeWatcher::NoPreference; |
| 61 | } else if (value == 1) { |
| 62 | return KColorSchemeWatcher::PreferDark; |
| 63 | } else if (value == 2) { |
| 64 | return KColorSchemeWatcher::PreferLight; |
| 65 | } else { |
| 66 | qWarning() << "Unhandled org.freedesktop.appearance color-scheme value" << value; |
| 67 | return KColorSchemeWatcher::NoPreference; |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | #include "moc_kcolorschemewatcher_xdg.cpp" |
| 72 | |