gistfile1.txt

import dbus
import dbus.mainloop.glib
from gi.repository import GLib

# Define the signal handler function
def update_client_side_ui_handler(flags):
    """Handler for the UpdateClientSideUI signal."""
    print(f"Received UpdateClientSideUI signal with flags: {flags}")
    # Add your custom logic here to update the client-side UI

def main():
    # Initialize the D-Bus main loop (required for signal handling)
    dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)

    # Connect to the session bus
    bus = dbus.SessionBus()

    # Define the D-Bus parameters for the Fcitx5 InputContext interface and signal
    fcitx_service_name = 'org.fcitx.Fcitx5'
    # Fcitx5 typically runs on the object path '/' or '/org/fcitx/Fcitx5'
    # The InputContext interface is a complex object, you usually get the object path when you activate an input context
    # For a general handler, connecting to the bus and using a match rule is sufficient
    interface_name = 'org.fcitx.Fcitx.InputContext1'
    signal_name = 'UpdateClientSideUI'

    # Add a signal receiver (match rule) to catch the signal
    bus.add_signal_receiver(
        update_client_side_ui_handler,
        dbus_interface=interface_name,
        signal_name=signal_name,
        bus_name=fcitx_service_name,
        # The object path can vary, so you might need to leave it as None to match all paths or set it specifically
        # object_path='/'
    )

    print(f"Waiting for '{signal_name}' signal on interface '{interface_name}'...")
    print("Press Ctrl+C to exit.")

    # Run the main loop to listen for signals
    mainloop = GLib.MainLoop()
    try:
        mainloop.run()
    except KeyboardInterrupt:
        print("Exiting...")
    finally:
        # Clean up or disconnect if necessary (optional)
        pass

if __name__ == '__main__':
    main()