| 1 | #!/usr/bin/env python3 |
| 2 | # -*- coding: utf-8 -*- |
| 3 | # |
| 4 | # indicator-keyboard-led - simulate keyboard lock keys LED |
| 5 | # Copyright (c) 2016 Adrian I Lam <adrianiainlam@gmail.com> |
| 6 | # |
| 7 | # Permission is hereby granted, free of charge, to any person obtaining a |
| 8 | # copy of this software and associated documentation files (the "Software"), |
| 9 | # to deal in the Software without restriction, including without limitation |
| 10 | # the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 11 | # and/or sell copies of the Software, and to permit persons to whom the |
| 12 | # Software is furnished to do so, subject to the following conditions: |
| 13 | # |
| 14 | # The above copyright notice and this permission notice shall be included in |
| 15 | # all copies or substantial portions of the Software. |
| 16 | # |
| 17 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 18 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 19 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 20 | # THE AUTHOR OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 21 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 22 | # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| 23 | # IN THE SOFTWARE. |
| 24 | # |
| 25 | # I would like to thank Tobias Schlitt <toby@php.net>, who wrote |
| 26 | # indicator-chars <https://github.com/tobyS/indicator-chars> which I used |
| 27 | # as a reference when writing this software. |
| 28 | |
| 29 | import signal |
| 30 | import subprocess |
| 31 | from os import path |
| 32 | import argparse |
| 33 | import gi |
| 34 | gi.require_version('Gdk', '3.0') |
| 35 | gi.require_version('Gtk', '3.0') |
| 36 | gi.require_version('AppIndicator3', '0.1') |
| 37 | from gi.repository import Gdk, Gtk, AppIndicator3 |
| 38 | |
| 39 | class IndicatorKeyboardLED: |
| 40 | locks = { 'caps': 'Caps', 'num': 'Num', 'scr': 'Scroll' } |
| 41 | |
| 42 | def __init__(self, short=False): |
| 43 | self.indicator = AppIndicator3.Indicator.new( |
| 44 | 'indicator-keyboard-led', |
| 45 | path.join(path.dirname(path.realpath(__file__)), 'icon.svg'), |
| 46 | AppIndicator3.IndicatorCategory.APPLICATION_STATUS) |
| 47 | self.indicator.set_status(AppIndicator3.IndicatorStatus.ACTIVE) |
| 48 | |
| 49 | if short: |
| 50 | self.locks = { 'caps': 'C', 'num': 'N', 'scr': 'S' } |
| 51 | |
| 52 | keymap = Gdk.Keymap.get_default() |
| 53 | keymap.connect('state-changed', self.update_indicator) |
| 54 | self.update_indicator(keymap) |
| 55 | |
| 56 | menu = Gtk.Menu() |
| 57 | items = { |
| 58 | 'caps' : Gtk.MenuItem.new_with_label('Caps Lock'), |
| 59 | 'num' : Gtk.MenuItem.new_with_label('Num Lock'), |
| 60 | 'scr' : Gtk.MenuItem.new_with_label('Scroll Lock') |
| 61 | } |
| 62 | menu.append(items['caps']) |
| 63 | menu.append(items['num']) |
| 64 | menu.append(items['scr']) |
| 65 | |
| 66 | items['caps'].connect('activate', self.send_keypress, 'Caps_Lock') |
| 67 | items['num' ].connect('activate', self.send_keypress, 'Num_Lock') |
| 68 | items['scr' ].connect('activate', self.send_keypress, 'Scroll_Lock') |
| 69 | |
| 70 | self.indicator.set_menu(menu) |
| 71 | menu.show_all() |
| 72 | |
| 73 | def update_indicator(self, keymap): |
| 74 | label = '⚫' if keymap.get_caps_lock_state() else '⚪' |
| 75 | label += self.locks['caps'] + ' ' |
| 76 | label += '⚫' if keymap.get_num_lock_state() else '⚪' |
| 77 | label += self.locks['num'] + ' ' |
| 78 | label += '⚫' if keymap.get_scroll_lock_state() else '⚪' |
| 79 | label += self.locks['scr'] |
| 80 | self.indicator.set_label(label, '') |
| 81 | |
| 82 | def send_keypress(self, menuitem, keystroke): |
| 83 | subprocess.call(['xdotool', 'key', keystroke]) |
| 84 | |
| 85 | if __name__ == '__main__': |
| 86 | signal.signal(signal.SIGINT, lambda signum, frame: Gtk.main_quit()) |
| 87 | |
| 88 | parser = argparse.ArgumentParser( |
| 89 | description='indicator-keyboard-led - simulate keyboard lock keys LED') |
| 90 | parser.add_argument('-s', '--short', dest='short', action='store_true', |
| 91 | help='use short label, i.e. ⚫C ⚫N ⚫S instead of ⚫Caps ⚫Num ⚫Scroll', |
| 92 | required=False) |
| 93 | args = parser.parse_args() |
| 94 | |
| 95 | IndicatorKeyboardLED(short=args.short) |
| 96 | Gtk.main() |