65 lines
1.4 KiB
Python
Executable File
65 lines
1.4 KiB
Python
Executable File
#!/usr/bin/env python
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import os
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import re
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import subprocess
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from gi.repository import GLib
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from dbus import SessionBus
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from dbus.mainloop.glib import DBusGMainLoop
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previous_xrandr = 'xrandr --output DSI-1 --auto'
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def get_current_xrandr() -> str:
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proc = subprocess.Popen(['unxrandr'], stdout=subprocess.PIPE)
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return proc.communicate()[0].decode().strip()
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def is_display_on() -> bool:
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proc = subprocess.Popen(['xrandr', '-q'], stdout=subprocess.PIPE)
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out = proc.communicate()[0].decode().strip()
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lines = [
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line for line in out.split('\n')
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if line.startswith('DSI-1 ')
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]
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assert lines, 'Display DSI-1 not found'
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m = re.search(r'^DSI-1\s+(connected\s+)?(primary\s+)?\d+x\d+\+\d+\+\d+', lines[0])
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return m is not None
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def signal_handler(name, value):
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global previous_xrandr
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if name != 'button':
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return
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is_on = is_display_on()
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if is_on:
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previous_xrandr = get_current_xrandr()
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os.system('xrandr --output DSI-1 --off')
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else:
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os.system(previous_xrandr)
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def main():
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xrandr = get_current_xrandr()
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loop = DBusGMainLoop()
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bus = SessionBus(mainloop=loop)
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bus.add_signal_receiver(
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signal_handler, 'updateEvent',
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'io.cutiepi.interface', path='/mcu'
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)
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loop = GLib.MainLoop()
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try:
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loop.run()
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finally:
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loop.quit()
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if __name__ == '__main__':
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main()
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