Source code for libqtile.widget.keyboardkbdd

# Copyright (c) 2015 Ali Mousavi
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from . import base
from libqtile.log_utils import logger
from dbus.mainloop.glib import DBusGMainLoop
import re
import dbus


[docs]class KeyboardKbdd(base.ThreadedPollText): """Widget for changing keyboard layouts per window, using kbdd kbdd should be installed and running, you can get it from: https://github.com/qnikst/kbdd """ orientations = base.ORIENTATION_HORIZONTAL defaults = [ ("update_interval", 1, "Update interval in seconds."), ("configured_keyboards", ["us", "ir"], "your predefined list of keyboard layouts." "example: ['us', 'ir', 'es']"), ("colours", None, "foreground colour for each layout" "either 'None' or a list of colours." "example: ['ffffff', 'E6F0AF']. ") ] def __init__(self, **config): base.ThreadedPollText.__init__(self, **config) self.add_defaults(KeyboardKbdd.defaults) self.keyboard = self.configured_keyboards[0] self.is_kbdd_running = self._check_kbdd() if not self.is_kbdd_running: logger.error('Please check if kbdd is running') self.keyboard = "N/A" self._dbus_init() def _check_kbdd(self): running_list = self.call_process(["ps", "axw"]) if re.search("kbdd", running_list): self.keyboard = self.configured_keyboards[0] return True return False def _dbus_init(self): dbus_loop = DBusGMainLoop() bus = dbus.SessionBus(mainloop=dbus_loop) bus.add_signal_receiver(self._layout_changed, dbus_interface='ru.gentoo.kbdd', signal_name='layoutChanged') def _layout_changed(self, layout_changed): """ Handler for "layoutChanged" dbus signal. """ if self.colours: self._set_colour(layout_changed) self.keyboard = self.configured_keyboards[layout_changed] def _set_colour(self, index): if isinstance(self.colours, list): try: self.layout.colour = self.colours[index] except ValueError: self._setColour(index - 1) else: logger.error('variable "colours" should be a list, to set a\ colour for all layouts, use "foreground".') def poll(self): if not self.is_kbdd_running: if self._check_kbdd(): self.is_kbdd_running = True return self.configured_keyboards[0] return self.keyboard