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72 lines
2.2 KiB
Python
72 lines
2.2 KiB
Python
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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# key-mapper - GUI for device specific keyboard mappings
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# Copyright (C) 2020 sezanzeb <proxima@hip70890b.de>
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#
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# This file is part of key-mapper.
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#
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# key-mapper is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# key-mapper is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with key-mapper. If not, see <https://www.gnu.org/licenses/>.
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"""Stuff that interacts with the X Server"""
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import re
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import subprocess
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# mapping of keycode to character, e.g. 38 to the 'A' key of the keyboard.
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# This depends on the configured keyboard layout.
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# example: 38: "a A a A ae AE ae"
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key_mapping = {}
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def load_keymapping():
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"""Load the current active mapping of keycodes"""
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# to get ASCII codes: xmodmap -pk
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output = subprocess.check_output(['xmodmap', '-p']).decode()
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for line in output.split('\n'):
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search = re.search(r'(\d+) = (.+)', line)
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if search is not None:
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key_mapping[search[0]] = search[1]
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def get_xinput_list(type):
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"""Run xinput and get the result as list.
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Parameters
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----------
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type : string
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Ine of 'id' or 'name'
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"""
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output = subprocess.check_output(['xinput', 'list', f'--{type}-only'])
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return [line for line in output.decode().split('\n') if line != '']
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def find_devices():
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"""Get a list of (id, name) for each input device."""
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# `xinput list`
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ids = get_xinput_list('id')
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names = get_xinput_list('name')
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# names contains duplicates and "Virtual"-somethings, filter those
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known_names = []
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# TODO remember all IDS? try each one of them for setxkbmap until success?
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result = []
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for (id, name) in zip(ids, names):
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if name not in known_names and not name.startswith('Virtual'):
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known_names.append(name)
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result.append((id, name))
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return result
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