/usr/share/sugar/extensions/globalkey/brightness.py is in sugar-session 0.112-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | # Copyright (C) 2015 Martin Abente Lahaye <tch@sugarlabs.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from jarabe.model import brightness
BOUND_KEYS = ['XF86MonBrightnessUp', 'XF86MonBrightnessDown']
def handle_key_press(key):
model = brightness.get_instance()
if not model.get_path():
return
value = model.get_brightness()
if key == 'XF86MonBrightnessUp':
new_value = value + model.get_step_amount()
if new_value > model.get_max_brightness():
new_value = model.get_max_brightness()
else:
new_value = value - model.get_step_amount()
if new_value < 0:
new_value = 0
# don't write to the device unnecessarily
if new_value == value:
return
model.set_brightness(new_value)
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