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