46 lines
1.6 KiB
Python
46 lines
1.6 KiB
Python
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import dbus
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from dbus.mainloop.glib import DBusGMainLoop
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from gi.repository import GLib
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import sys
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class TrayMonitor:
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def __init__(self):
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# настраиваем dbus и вешаем слушателей
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DBusGMainLoop(set_as_default=True)
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self.bus = dbus.SessionBus()
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self.interface = "org.kde.StatusNotifierWatcher"
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self.path = "/StatusNotifierWatcher"
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# подписываемся на регистрацию и удаление иконок
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self.bus.add_signal_receiver(self.push_update, "StatusNotifierItemRegistered", self.interface)
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self.bus.add_signal_receiver(self.push_update, "StatusNotifierItemUnregistered", self.interface)
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# выводим начальное состояние
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self.push_update()
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def get_count(self):
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# опрашиваем шину на количество активных элементов
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try:
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obj = self.bus.get_object(self.interface, self.path)
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props = dbus.Interface(obj, "org.freedesktop.DBus.Properties")
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items = props.Get(self.interface, "RegisteredStatusNotifierItems")
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return len(items)
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except:
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return 0
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def push_update(self, *args):
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# шлем цифру в stdout
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count = self.get_count()
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sys.stdout.write(f"{count}\n")
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sys.stdout.flush()
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def run(self):
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# цикл glib, чтобы слушал сигналы
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self.loop = GLib.MainLoop()
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try:
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self.loop.run()
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except KeyboardInterrupt:
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sys.exit(0)
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if __name__ == "__main__":
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TrayMonitor().run()
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