Interface

Xdp-1.0 ▶ Xdp ▶ InputCaptureSession ▶ SignalSignatures

interface SignalSignatures {
    activated: (arg0: number, arg1: GLib.Variant) => void;
    deactivated: (arg0: number, arg1: GLib.Variant) => void;
    disabled: (arg0: GLib.Variant) => void;
    notify: (arg0: GObject.ParamSpec) => void;
    "zones-changed": (arg0: GLib.Variant) => void;
}

Hierarchy (View Summary)

Index

Properties

activated deactivated disabled zones-changed

Properties - Inherited from GObject

notify

Properties

activated: (arg0: number, arg1: GLib.Variant) => void

Emitted when an InputCapture session activates and sends events. When this signal is emitted, events will appear on the transport layer.

deactivated: (arg0: number, arg1: GLib.Variant) => void

Emitted when an InputCapture session deactivates and no longer sends events.

disabled: (arg0: GLib.Variant) => void

Emitted when an InputCapture session is disabled. This signal is emitted when capturing was disabled by the server.

"zones-changed": (arg0: GLib.Variant) => void

Emitted when an InputCapture session's zones have changed. When this signal is emitted, all current zones will have their InputCaptureZone.is_valid property set to false and all internal references to those zones have been released. This signal is sent after libportal has fetched the updated zones, a caller should call xdp_input_capture_session_get_zones() to retrieve the new zones.

Properties - Inherited from GObject

notify: (arg0: GObject.ParamSpec) => void

The notify signal is emitted on an object when one of its properties has its value set through g_object_set_property(), g_object_set(), et al.

Note that getting this signal doesn’t itself guarantee that the value of the property has actually changed. When it is emitted is determined by the derived GObject class. If the implementor did not create the property with GObject.ParamFlags.EXPLICIT_NOTIFY, then any call to g_object_set_property() results in ::notify being emitted, even if the new value is the same as the old. If they did pass GObject.ParamFlags.EXPLICIT_NOTIFY, then this signal is emitted only when they explicitly call g_object_notify() or g_object_notify_by_pspec(), and common practice is to do that only when the value has actually changed.

This signal is typically used to obtain change notification for a single property, by specifying the property name as a detail in the g_signal_connect() call, like this:

g_signal_connect (text_view->buffer, "notify::paste-target-list",
                  G_CALLBACK (gtk_text_view_target_list_notify),
                  text_view)

It is important to note that you must use [canonical parameter names][class@GObject.ParamSpec#parameter-names] as detail strings for the notify signal.