mirror of
https://github.com/tuxdotrs/tpanel.git
synced 2026-09-19 10:19:02 +05:30
feat(gpu): add cardwire integration and gpu widget
This commit is contained in:
46
plugin/CMakeLists.txt
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46
plugin/CMakeLists.txt
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@@ -0,0 +1,46 @@
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cmake_minimum_required(VERSION 3.20)
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project(tshell-cardwire LANGUAGES CXX)
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set(CMAKE_CXX_STANDARD 20)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_AUTOMOC ON)
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find_package(Qt6 REQUIRED COMPONENTS Core Qml DBus)
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qt_add_library(tshellcardwire SHARED src/cardwire.cpp src/cardwire.hpp)
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target_include_directories(tshellcardwire PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/src")
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qt_add_qml_module(tshellcardwire
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URI Tshell.Cardwire
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VERSION 0.1
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DEPENDENCIES QtQml
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OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/Tshell/Cardwire"
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)
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target_link_libraries(tshellcardwire PRIVATE Qt6::Core Qt6::Qml Qt6::DBus)
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# Keep the backing library next to the plugin so "$ORIGIN" rpaths resolve both
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# in the build tree and after install.
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set(module_build_dir "${CMAKE_CURRENT_BINARY_DIR}/Tshell/Cardwire")
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set_target_properties(tshellcardwire tshellcardwireplugin PROPERTIES
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LIBRARY_OUTPUT_DIRECTORY "${module_build_dir}"
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RUNTIME_OUTPUT_DIRECTORY "${module_build_dir}"
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ARCHIVE_OUTPUT_DIRECTORY "${module_build_dir}"
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BUILD_RPATH "$ORIGIN"
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INSTALL_RPATH "$ORIGIN"
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)
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qt_query_qml_module(tshellcardwire
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PLUGIN_TARGET module_plugin_target
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TARGET_PATH module_target_path
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QMLDIR module_qmldir
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TYPEINFO module_typeinfo
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)
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set(module_dir "${CMAKE_INSTALL_PREFIX}/lib/qt-6/qml/${module_target_path}")
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install(TARGETS tshellcardwire "${module_plugin_target}"
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LIBRARY DESTINATION "${module_dir}"
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RUNTIME DESTINATION "${module_dir}"
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)
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install(FILES "${module_qmldir}" "${module_typeinfo}" DESTINATION "${module_dir}")
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405
plugin/src/cardwire.cpp
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405
plugin/src/cardwire.cpp
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@@ -0,0 +1,405 @@
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#include "cardwire.hpp"
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#include <qdbusargument.h>
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#include <qdbusconnection.h>
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#include <qdbusextratypes.h>
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#include <qdbusmessage.h>
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#include <qdbusmetatype.h>
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#include <qdbuspendingcall.h>
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#include <qdbusservicewatcher.h>
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#include <qloggingcategory.h>
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#include <qqmlengine.h>
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#include <qvariant.h>
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// a{oa{sa{sv}}} as returned by GetManagedObjects
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using InterfacesMap = QMap<QString, QVariantMap>;
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using ManagedObjects = QMap<QDBusObjectPath, InterfacesMap>;
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Q_DECLARE_METATYPE(InterfacesMap)
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Q_DECLARE_METATYPE(ManagedObjects)
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namespace {
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Q_LOGGING_CATEGORY(logCardwire, "tshell.cardwire", QtWarningMsg);
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const QString SERVICE = "org.opengamingcollective.cardwire";
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const QString ROOT_PATH = "/org/opengamingcollective/cardwire";
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const QString GPU_PREFIX = "/org/opengamingcollective/cardwire/Gpu/";
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const QString GPU_IFACE = "org.opengamingcollective.cardwire.Gpu";
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const QString PROPS_IFACE = "org.freedesktop.DBus.Properties";
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const QString OBJMGR_IFACE = "org.freedesktop.DBus.ObjectManager";
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void registerMetaTypes() {
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qDBusRegisterMetaType<InterfacesMap>();
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qDBusRegisterMetaType<ManagedObjects>();
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}
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QDBusMessage methodCall(const QString &path, const QString &iface,
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const QString &member) {
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return QDBusMessage::createMethodCall(SERVICE, path, iface, member);
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}
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QDBusPendingCallWatcher *asyncCall(QObject *parent,
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const QDBusMessage &message) {
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return new QDBusPendingCallWatcher(
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QDBusConnection::systemBus().asyncCall(message), parent);
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}
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void logError(const QString &what, const QDBusMessage &reply) {
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if (reply.type() == QDBusMessage::ErrorMessage) {
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qCWarning(logCardwire).nospace()
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<< what << ": " << reply.errorName() << " " << reply.errorMessage();
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}
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}
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} // namespace
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CardwireGpu::CardwireGpu(QString objectPath, QObject *parent)
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: QObject(parent), mObjectPath(std::move(objectPath)) {
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auto bus = QDBusConnection::systemBus();
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bus.connect(SERVICE, this->mObjectPath, PROPS_IFACE, "PropertiesChanged",
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this, SLOT(onPropertiesChanged(QDBusMessage)));
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bus.connect(SERVICE, this->mObjectPath, GPU_IFACE, "PowerStateChanged", this,
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SLOT(onPowerStateChanged(QString)));
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this->refreshDevice();
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this->refreshProperties();
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}
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void CardwireGpu::refreshDevice() {
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QObject::connect(
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asyncCall(this, methodCall(this->mObjectPath, GPU_IFACE, "GetDevice")),
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&QDBusPendingCallWatcher::finished, this,
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&CardwireGpu::onGetDeviceFinished);
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}
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void CardwireGpu::onGetDeviceFinished() {
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auto *watcher = qobject_cast<QDBusPendingCallWatcher *>(this->sender());
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if (watcher == nullptr)
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return;
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watcher->deleteLater();
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const QDBusMessage reply = watcher->reply();
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logError("GetDevice failed for " + this->mObjectPath, reply);
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if (reply.type() == QDBusMessage::ErrorMessage)
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return;
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// (ssuubbbbssbs): name pci render card default discrete virtual available
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// vendor driver nvidia nvidia_minor
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QString pci;
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QString vendor;
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QString driver;
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QString nvidiaMinor;
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uint render = 0;
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uint card = 0;
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bool virtualGpu = false;
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const auto arguments = reply.arguments();
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if (arguments.first().userType() != qMetaTypeId<QDBusArgument>()) {
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// The daemon actually sends the fields as separate out arguments.
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if (arguments.size() < 12) {
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qCWarning(logCardwire)
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<< "GetDevice returned" << arguments.size() << "arguments";
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return;
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}
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this->mName = arguments.at(0).toString();
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pci = arguments.at(1).toString();
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render = arguments.at(2).toUInt();
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card = arguments.at(3).toUInt();
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this->mDefault = arguments.at(4).toBool();
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this->mDiscrete = arguments.at(5).toBool();
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virtualGpu = arguments.at(6).toBool();
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this->mAvailable = arguments.at(7).toBool();
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vendor = arguments.at(8).toString();
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driver = arguments.at(9).toString();
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this->mNvidia = arguments.at(10).toBool();
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nvidiaMinor = arguments.at(11).toString();
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} else {
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// Documented shape: all fields packed into a single struct.
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// Must be const: demarshalling uses the const (read) overloads.
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const QDBusArgument arg = arguments.first().value<QDBusArgument>();
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arg.beginStructure();
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arg >> this->mName >> pci >> render >> card >> this->mDefault >>
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this->mDiscrete >> virtualGpu >> this->mAvailable >> vendor >> driver >>
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this->mNvidia >> nvidiaMinor;
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arg.endStructure();
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}
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if (!this->mKnown) {
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this->mKnown = true;
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qCInfo(logCardwire).nospace() << "found gpu \"" << this->mName << "\" at "
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<< this->mObjectPath << " (" << pci << ")";
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}
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emit this->deviceChanged();
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}
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void CardwireGpu::refreshProperties() {
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QDBusMessage call = methodCall(this->mObjectPath, PROPS_IFACE, "GetAll");
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call << GPU_IFACE;
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QObject::connect(asyncCall(this, call), &QDBusPendingCallWatcher::finished,
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this, &CardwireGpu::onGetAllFinished);
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}
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void CardwireGpu::onGetAllFinished() {
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auto *watcher = qobject_cast<QDBusPendingCallWatcher *>(this->sender());
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if (watcher == nullptr)
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return;
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watcher->deleteLater();
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const QDBusMessage reply = watcher->reply();
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logError("GetAll failed for " + this->mObjectPath, reply);
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if (reply.type() == QDBusMessage::ErrorMessage)
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return;
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const auto properties = qdbus_cast<QVariantMap>(reply.arguments().at(0));
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for (auto it = properties.constBegin(); it != properties.constEnd(); ++it) {
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if (it.key() == "Block")
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this->setBlockedValue(it.value().toBool());
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else if (it.key() == "Launchable")
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this->setLaunchableValue(it.value().toBool());
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}
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}
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void CardwireGpu::setBlocked(bool blocked) {
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QDBusMessage call = methodCall(this->mObjectPath, PROPS_IFACE, "Set");
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call << GPU_IFACE << QStringLiteral("Block")
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<< QVariant::fromValue(QDBusVariant(blocked));
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// The resulting state is confirmed asynchronously via PropertiesChanged.
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asyncCall(this, call);
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}
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void CardwireGpu::onPropertiesChanged(const QDBusMessage &message) {
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const auto arguments = message.arguments();
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if (arguments.isEmpty() || arguments.first().toString() != GPU_IFACE)
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return;
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if (arguments.size() > 1) {
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const auto properties = qdbus_cast<QVariantMap>(arguments.at(1));
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for (auto it = properties.constBegin(); it != properties.constEnd(); ++it) {
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if (it.key() == "Block")
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this->setBlockedValue(it.value().toBool());
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else if (it.key() == "Launchable")
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this->setLaunchableValue(it.value().toBool());
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}
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}
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if (arguments.size() > 2) { // invalidated properties: refetch everything
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const auto invalidated = qdbus_cast<QStringList>(arguments.at(2));
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if (invalidated.contains("Block") || invalidated.contains("Launchable")) {
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this->refreshProperties();
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}
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}
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}
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void CardwireGpu::onPowerStateChanged(const QString &state) {
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emit this->powerStateChanged(state);
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}
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void CardwireGpu::setBlockedValue(bool blocked) {
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if (blocked == this->mBlocked)
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return;
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this->mBlocked = blocked;
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qCDebug(logCardwire).nospace()
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<< this->mObjectPath << ": block = " << blocked;
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emit this->blockedChanged();
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}
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void CardwireGpu::setLaunchableValue(bool launchable) {
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if (launchable == this->mLaunchable)
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return;
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this->mLaunchable = launchable;
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emit this->launchableChanged();
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}
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Cardwire::Cardwire(QObject *parent) : QObject(parent), mWatcher(this) {}
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Cardwire *Cardwire::instance() {
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static Cardwire *instance =
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nullptr; // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
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if (instance == nullptr) {
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registerMetaTypes();
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instance = new Cardwire();
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instance->connectSignals();
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}
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return instance;
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}
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Cardwire *Cardwire::create(QQmlEngine * /*qmlEngine*/,
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QJSEngine * /*jsEngine*/) {
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auto *instance = Cardwire::instance();
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QQmlEngine::setObjectOwnership(instance, QQmlEngine::CppOwnership);
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return instance;
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}
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CardwireGpu *Cardwire::nvidiaGpu() const {
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for (auto *gpu : this->mGpus) {
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if (gpu->isNvidia())
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return gpu;
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}
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return nullptr;
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}
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void Cardwire::connectSignals() {
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// cardwired runs as a system service, so its API is on the system bus.
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this->mWatcher.setConnection(QDBusConnection::systemBus());
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QObject::connect(&this->mWatcher, &QDBusServiceWatcher::serviceOwnerChanged,
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this, &Cardwire::onServiceOwnerChanged);
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this->mWatcher.setWatchMode(QDBusServiceWatcher::WatchForOwnerChange);
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auto bus = QDBusConnection::systemBus();
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bus.connect(SERVICE, ROOT_PATH, OBJMGR_IFACE, "InterfacesAdded", this,
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SLOT(onInterfacesAdded(QDBusMessage)));
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bus.connect(SERVICE, ROOT_PATH, OBJMGR_IFACE, "InterfacesRemoved", this,
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SLOT(onInterfacesRemoved(QDBusMessage)));
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// Kick off the initial sync; if the daemon is not running yet the service
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// watcher triggers another sync once it appears.
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this->sync();
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}
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void Cardwire::onServiceOwnerChanged(const QString &serviceName,
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const QString &oldOwner,
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const QString &newOwner) {
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if (serviceName != SERVICE)
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return;
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qCInfo(logCardwire).nospace()
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<< SERVICE << " owner: " << oldOwner << " -> " << newOwner;
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this->sync();
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}
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void Cardwire::sync() {
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const auto generation = ++this->mGeneration;
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auto *watcher =
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asyncCall(this, methodCall(ROOT_PATH, OBJMGR_IFACE, "GetManagedObjects"));
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QObject::connect(watcher, &QDBusPendingCallWatcher::finished, this,
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[this, generation]() { this->handleSyncReply(generation); });
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}
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void Cardwire::handleSyncReply(quint32 generation) {
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auto *watcher = qobject_cast<QDBusPendingCallWatcher *>(this->sender());
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if (watcher == nullptr)
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return;
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watcher->deleteLater();
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if (generation != this->mGeneration)
|
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return; // a newer sync superseded this one
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const QDBusMessage reply = watcher->reply();
|
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logError("GetManagedObjects failed", reply);
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if (reply.type() == QDBusMessage::ErrorMessage) {
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if (this->mConnected) {
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this->mConnected = false;
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emit this->connectedChanged();
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}
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for (auto *gpu : this->mGpus)
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gpu->deleteLater();
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if (!this->mGpus.isEmpty()) {
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this->mGpus.clear();
|
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emit this->gpusChanged();
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}
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return;
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}
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QList<CardwireGpu *> seen;
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const auto objects = qdbus_cast<ManagedObjects>(reply.arguments().at(0));
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for (auto it = objects.constBegin(); it != objects.constEnd(); ++it) {
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if (!it.value().contains(GPU_IFACE))
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continue;
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const QString &path = it.key().path();
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if (!path.startsWith(GPU_PREFIX))
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continue;
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this->ensureGpu(path);
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seen.append(this->findGpu(path));
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}
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// Remove GPUs that disappeared (hotplug).
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for (auto *gpu : this->mGpus) {
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if (!seen.contains(gpu))
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||||
gpu->deleteLater();
|
||||
}
|
||||
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||||
if (seen != this->mGpus) {
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this->mGpus = seen;
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emit this->gpusChanged();
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||||
}
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||||
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||||
if (!this->mConnected) {
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this->mConnected = true;
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qCInfo(logCardwire) << "connected to" << SERVICE;
|
||||
emit this->connectedChanged();
|
||||
}
|
||||
}
|
||||
|
||||
void Cardwire::ensureGpu(const QString &path) {
|
||||
if (this->findGpu(path) != nullptr)
|
||||
return;
|
||||
|
||||
auto *gpu = new CardwireGpu(path, this);
|
||||
// The nvidia flag only becomes known once GetDevice replies.
|
||||
QObject::connect(gpu, &CardwireGpu::deviceChanged, this,
|
||||
&Cardwire::updateNvidiaGpu);
|
||||
this->mGpus.append(gpu);
|
||||
qCInfo(logCardwire) << "tracking" << path;
|
||||
emit this->gpusChanged();
|
||||
}
|
||||
|
||||
CardwireGpu *Cardwire::findGpu(const QString &path) const {
|
||||
for (auto *gpu : this->mGpus) {
|
||||
if (gpu->objectPath() == path)
|
||||
return gpu;
|
||||
}
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
void Cardwire::removeGpu(const QString &path) {
|
||||
auto *gpu = this->findGpu(path);
|
||||
if (gpu == nullptr)
|
||||
return;
|
||||
|
||||
gpu->deleteLater();
|
||||
this->mGpus.removeOne(gpu);
|
||||
qCInfo(logCardwire) << "stopped tracking" << path;
|
||||
emit this->gpusChanged();
|
||||
}
|
||||
|
||||
void Cardwire::onInterfacesAdded(const QDBusMessage &message) {
|
||||
const auto arguments = message.arguments();
|
||||
if (arguments.size() < 2)
|
||||
return;
|
||||
|
||||
const auto path = arguments.first().toString();
|
||||
if (!path.startsWith(GPU_PREFIX))
|
||||
return;
|
||||
|
||||
if (qdbus_cast<InterfacesMap>(arguments.at(1)).contains(GPU_IFACE))
|
||||
this->ensureGpu(path);
|
||||
}
|
||||
|
||||
void Cardwire::onInterfacesRemoved(const QDBusMessage &message) {
|
||||
const auto arguments = message.arguments();
|
||||
if (arguments.size() < 2)
|
||||
return;
|
||||
|
||||
const auto path = arguments.first().toString();
|
||||
if (!path.startsWith(GPU_PREFIX))
|
||||
return;
|
||||
|
||||
if (qdbus_cast<QStringList>(arguments.at(1)).contains(GPU_IFACE))
|
||||
this->removeGpu(path);
|
||||
}
|
||||
|
||||
void Cardwire::updateNvidiaGpu() {
|
||||
auto *current = this->nvidiaGpu();
|
||||
if (current == this->mCurrentNvidiaGpu)
|
||||
return;
|
||||
|
||||
this->mCurrentNvidiaGpu = current;
|
||||
emit this->nvidiaGpuChanged();
|
||||
}
|
||||
129
plugin/src/cardwire.hpp
Normal file
129
plugin/src/cardwire.hpp
Normal file
@@ -0,0 +1,129 @@
|
||||
#pragma once
|
||||
|
||||
#include <qcontainerfwd.h>
|
||||
#include <qdbusmessage.h>
|
||||
#include <qdbusservicewatcher.h>
|
||||
#include <qlist.h>
|
||||
#include <qobject.h>
|
||||
#include <qqmlintegration.h>
|
||||
#include <qstring.h>
|
||||
|
||||
class QDBusPendingCallWatcher;
|
||||
class QJSEngine;
|
||||
class QQmlEngine;
|
||||
|
||||
/// A single GPU exposed by cardwire at
|
||||
/// /org/opengamingcollective/cardwire/Gpu/{id}.
|
||||
///
|
||||
/// Mirrors org.opengamingcollective.cardwire.Gpu: device details are fetched
|
||||
/// once via GetDevice, while Block/Launchable are kept in sync through
|
||||
/// org.freedesktop.DBus.Properties.PropertiesChanged.
|
||||
class CardwireGpu : public QObject {
|
||||
Q_OBJECT
|
||||
QML_ELEMENT
|
||||
QML_UNCREATABLE("Gpu objects are managed by the Cardwire singleton")
|
||||
|
||||
Q_PROPERTY(QString objectPath READ objectPath CONSTANT)
|
||||
Q_PROPERTY(bool known READ known NOTIFY deviceChanged)
|
||||
Q_PROPERTY(QString name READ name NOTIFY deviceChanged)
|
||||
Q_PROPERTY(bool nvidia READ isNvidia NOTIFY deviceChanged)
|
||||
Q_PROPERTY(bool defaultGpu READ isDefault NOTIFY deviceChanged)
|
||||
Q_PROPERTY(bool discrete READ isDiscrete NOTIFY deviceChanged)
|
||||
Q_PROPERTY(bool available READ isAvailable NOTIFY deviceChanged)
|
||||
Q_PROPERTY(bool blocked READ isBlocked NOTIFY blockedChanged)
|
||||
Q_PROPERTY(bool launchable READ isLaunchable NOTIFY launchableChanged)
|
||||
|
||||
public:
|
||||
explicit CardwireGpu(QString objectPath, QObject *parent = nullptr);
|
||||
|
||||
[[nodiscard]] const QString &objectPath() const { return this->mObjectPath; }
|
||||
[[nodiscard]] bool known() const { return this->mKnown; }
|
||||
[[nodiscard]] const QString &name() const { return this->mName; }
|
||||
[[nodiscard]] bool isNvidia() const { return this->mNvidia; }
|
||||
[[nodiscard]] bool isDefault() const { return this->mDefault; }
|
||||
[[nodiscard]] bool isDiscrete() const { return this->mDiscrete; }
|
||||
[[nodiscard]] bool isAvailable() const { return this->mAvailable; }
|
||||
[[nodiscard]] bool isBlocked() const { return this->mBlocked; }
|
||||
[[nodiscard]] bool isLaunchable() const { return this->mLaunchable; }
|
||||
|
||||
// Writes the Block property. Only succeeds when the daemon mode allows it
|
||||
// (the daemon rejects the write otherwise and the state stays unchanged).
|
||||
Q_INVOKABLE void setBlocked(bool blocked);
|
||||
|
||||
signals:
|
||||
void deviceChanged();
|
||||
void blockedChanged();
|
||||
void launchableChanged();
|
||||
void powerStateChanged(const QString &state);
|
||||
|
||||
private slots:
|
||||
void onPropertiesChanged(const QDBusMessage &message);
|
||||
void onPowerStateChanged(const QString &state);
|
||||
void onGetDeviceFinished();
|
||||
void onGetAllFinished();
|
||||
|
||||
private:
|
||||
void refreshDevice();
|
||||
void refreshProperties();
|
||||
void setBlockedValue(bool blocked);
|
||||
void setLaunchableValue(bool launchable);
|
||||
|
||||
QString mObjectPath;
|
||||
bool mKnown = false;
|
||||
QString mName;
|
||||
bool mNvidia = false;
|
||||
bool mDefault = false;
|
||||
bool mDiscrete = false;
|
||||
bool mAvailable = false;
|
||||
bool mBlocked = false;
|
||||
bool mLaunchable = false;
|
||||
};
|
||||
|
||||
/// Exposes the GPUs tracked by the cardwire daemon over D-Bus.
|
||||
class Cardwire : public QObject {
|
||||
Q_OBJECT
|
||||
QML_ELEMENT
|
||||
QML_SINGLETON
|
||||
|
||||
Q_PROPERTY(bool connected READ isConnected NOTIFY connectedChanged)
|
||||
Q_PROPERTY(QList<CardwireGpu *> gpus READ gpus NOTIFY gpusChanged)
|
||||
Q_PROPERTY(CardwireGpu *nvidiaGpu READ nvidiaGpu NOTIFY nvidiaGpuChanged)
|
||||
|
||||
public:
|
||||
static Cardwire *create(QQmlEngine *qmlEngine, QJSEngine *jsEngine);
|
||||
static Cardwire *instance();
|
||||
|
||||
[[nodiscard]] bool isConnected() const { return this->mConnected; }
|
||||
[[nodiscard]] QList<CardwireGpu *> gpus() const { return this->mGpus; }
|
||||
|
||||
/// The first NVIDIA GPU found by the daemon, or nullptr if there is none.
|
||||
[[nodiscard]] CardwireGpu *nvidiaGpu() const;
|
||||
|
||||
signals:
|
||||
void connectedChanged();
|
||||
void gpusChanged();
|
||||
void nvidiaGpuChanged();
|
||||
|
||||
private slots:
|
||||
void onServiceOwnerChanged(const QString &serviceName,
|
||||
const QString &oldOwner, const QString &newOwner);
|
||||
void onInterfacesAdded(const QDBusMessage &message);
|
||||
void onInterfacesRemoved(const QDBusMessage &message);
|
||||
|
||||
private:
|
||||
explicit Cardwire(QObject *parent = nullptr);
|
||||
|
||||
void connectSignals();
|
||||
void sync();
|
||||
void handleSyncReply(quint32 generation);
|
||||
void ensureGpu(const QString &path);
|
||||
[[nodiscard]] CardwireGpu *findGpu(const QString &path) const;
|
||||
void removeGpu(const QString &path);
|
||||
void updateNvidiaGpu();
|
||||
|
||||
QDBusServiceWatcher mWatcher;
|
||||
QList<CardwireGpu *> mGpus;
|
||||
CardwireGpu *mCurrentNvidiaGpu = nullptr;
|
||||
bool mConnected = false;
|
||||
quint32 mGeneration = 0;
|
||||
};
|
||||
Reference in New Issue
Block a user