74 lines
2.2 KiB
Python
74 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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Parameters:
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* layout.lang: pipe-separated list of languages to cycle through (e.g. us|rs|de). Default: en
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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.layout)
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)
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self._languages = self.parameter("lang", "us").split("|")
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self._idx = 0
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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._idx = (self._idx + 1) % len(self._languages)
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self._set_keymap()
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def _prev_keymap(self, event):
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self._idx = self._idx - 1 if self._idx > 0 else len(self._languages) - 1
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self._set_keymap()
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def _set_keymap(self):
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tmp = self._languages[self._idx].split(":")
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layout = tmp[0]
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variant = ""
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if len(tmp) > 1:
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variant = "-variant {}".format(tmp[1])
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try:
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bumblebee.util.execute("setxkbmap -layout {} {}".format(layout, variant))
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except RuntimeError:
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pass
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def layout(self, widget):
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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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layout = ""
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variant = None
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for line in res.split("\n"):
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if not line:
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continue
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if "layout" in line:
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layout = line.split(":")[1].strip()
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if "variant" in line:
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variant = line.split(":")[1].strip()
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if variant:
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layout += ":" + variant
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if layout in self._languages:
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self._idx = self._languages.index(layout)
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else:
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self._languages.append(layout)
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self._idx = len(self._languages) - 1
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return layout
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# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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