Pages

API Documentation

• User Documentation
• Developer Documentation
• API Documentation

Search API documentation

On this page

Solid::DeviceNotifier Class

This class allow to query the underlying system for information about the hardware available. More...

• Header: #include <Solid/DeviceNotifier>
• CMake: find_package(KF6 REQUIRED COMPONENTS Solid)
target_link_libraries(mytarget PRIVATE KF6::Solid)
• Inherits: QObject

List of all members, including inherited members

#Signals

• void deviceAdded(const QString &udi)
• void deviceRemoved(const QString &udi)

#Static Public Members

• Solid::DeviceNotifier *instance()

#Detailed Description

Applications should use this to be notified about hardware changes.

Note that it's implemented as a singleton and encapsulates the backend logic.

#Member Function Documentation

#[signal] void DeviceNotifier::deviceAdded(const QString &udi)

This signal is emitted when a new device with the given udi appears in the underlying system.

#[signal] void DeviceNotifier::deviceRemoved(const QString &udi)

This signal is emitted when a device with the given udi disappears from the underlying system.

#[static] Solid::DeviceNotifier *DeviceNotifier::instance()

Returns a pointer to the global DeviceNotifier instance to allow for its use with QObject::connect();

auto notifier = Solid::DeviceNotifier::instance();

auto refresh = [this] (const QString &udi) {
    Solid::Device device(udi);
    if (device.is<Solid::StorageDrive>()) {
        qInfo() << "A new storage drive was added!";
    }
};
QObject::connect(notifier, &Solid::DeviceNotifier::deviceAdded, refresh);