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