bumblebee-status/bumblebee/modules/layout.py
Tobias Witek 18131a3efe [modules/layout] Remove parameter for language configuration
Switch layout module to do full auto-detection by parsing the output of
xrandr -query.

fixes #177
2017-09-19 09:15:36 +02:00

72 lines
2.2 KiB
Python

# pylint: disable=C0111,R0903
"""Displays and changes the current keyboard layout
Requires the following executable:
* setxkbmap
"""
import bumblebee.util
import bumblebee.input
import bumblebee.output
import bumblebee.engine
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):
layouts = self.get_layouts()
if len(layouts) == 1: return # nothing to do
layouts = layouts[rotation:] + layouts[:rotation]
layout_list = []
variant_list = []
for l in layouts:
tmp = l.split(":")
layout_list.append(tmp[0])
variant_list.append(tmp[1] if len(tmp) > 1 else "")
try:
bumblebee.util.execute("setxkbmap -layout {} -variant {}".format(",".join(layout_list), ",".join(variant_list)))
except RuntimeError:
pass
def get_layouts(self):
try:
res = bumblebee.util.execute("setxkbmap -query")
except RuntimeError:
return ["n/a"]
layouts = []
variants = []
for line in res.split("\n"):
if not line: continue
if "layout" in line:
layouts = line.split(":")[1].strip().split(",")
if "variant" in line:
variants = line.split(":")[1].strip().split(",")
result = []
for idx, layout in enumerate(layouts):
if len(variants) > idx and variants[idx]:
layout = "{}:{}".format(layout, variants[idx])
result.append(layout)
return result if len(result) > 0 else ["n/a"]
def current_layout(self, widget):
layouts = self.get_layouts()
return layouts[0]
# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4