# Copyright (c) 2015 Ali Mousavi
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import re
import dbus
from dbus.mainloop.glib import DBusGMainLoop
from libqtile.log_utils import logger
from libqtile.widget import base
[docs]class KeyboardKbdd(base.ThreadPoolText):
"""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.ThreadPoolText.__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