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- # 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
- 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
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