bumblebee-status/bumblebee/modules/layout-xkb.py
2019-01-12 20:30:40 +03:00

61 lines
1.8 KiB
Python

# pylint: disable=C0111,R0903
"""Displays the current keyboard layout using libX11
Requires the following library:
* libX11.so.6
and python module:
* xkbgroup
Parameters:
* layout-xkb.showname: Boolean that indicate whether the full name should be displayed. Defaults to false (only the symbol will be displayed)
"""
import bumblebee.input
import bumblebee.output
import bumblebee.engine
has_xkb = True
try:
from xkbgroup import *
except ImportError:
has_xkb = False
import logging
log = logging.getLogger(__name__)
class Module(bumblebee.engine.Module):
def __init__(self, engine, config):
super(Module, self).__init__(engine, config,
bumblebee.output.Widget(full_text=self.current_layout)
)
engine.input.register_callback(self, button=bumblebee.input.LEFT_MOUSE,
cmd=self._next_keymap)
engine.input.register_callback(self, button=bumblebee.input.RIGHT_MOUSE,
cmd=self._prev_keymap)
def _next_keymap(self, event):
self._set_keymap(1)
def _prev_keymap(self, event):
self._set_keymap(-1)
def _set_keymap(self, rotation):
if not has_xkb: return
xkb = XKeyboard()
if xkb.groups_count < 2: return # nothing to doA
layouts = xkb.groups_symbols
idx = layouts.index(xkb.group_symbol)
xkb.group_symbol = str(layouts[(idx + rotation) % len(layouts)])
def current_layout(self, widget):
try:
xkb = XKeyboard()
log.debug("group num: {}".format(xkb.group_num))
name = xkb.group_name if bumblebee.util.asbool(self.parameter("showname")) else xkb.group_symbol
return "{} ({})".format(name, xkb.group_variant) if xkb.group_variant else name
except Exception:
return "n/a"
# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4