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#!/usr/bin/env python3
from argparse import ArgumentParser
from subprocess import call
import i3ipc
i3 = i3ipc.Connection()
parser = ArgumentParser(prog='disable-standby-fs',
description='''
Disable standby (dpms) and screensaver when a window becomes fullscreen
or exits fullscreen-mode. Requires `xorg-xset`.
''')
args = parser.parse_args()
def find_fullscreen(con):
# XXX remove me when this method is available on the con in a release
return [c for c in con.descendents() if c.type == 'con' and c.fullscreen_mode]
def set_dpms(state):
if state:
print('setting dpms on')
call(['xset', 's', 'on'])
call(['xset', '+dpms'])
else:
print('setting dpms off')
call(['xset', 's', 'off'])
call(['xset', '-dpms'])
def on_fullscreen_mode(i3, e):
set_dpms(not len(find_fullscreen(i3.get_tree())))
def on_window_close(i3, e):
if not len(find_fullscreen(i3.get_tree())):
set_dpms(True)
i3.on('window::fullscreen_mode', on_fullscreen_mode)
i3.on('window::close', on_window_close)
i3.main()
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