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cutiepi-button-handler
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Ensure that the touchscreen is also turned on/off together with the screen

This commit is contained in:
Fabio Manganiello 2022-02-08 23:55:41 +01:00
parent 2acb672e97
commit 4c6f021439
1 changed files with 14 additions and 0 deletions
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bin/cutiepi-button-handler
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@ -9,6 +9,7 @@ from dbus import SessionBus
from dbus.mainloop.glib import DBusGMainLoop
previous_xrandr = 'xrandr --output DSI-1 --auto'
xinput_regex = re.compile(r'.*Capacitive TouchScreen\s+id=(\d+).*')
def get_current_xrandr() -> str:
@ -16,6 +17,15 @@ def get_current_xrandr() -> str:
return proc.communicate()[0].decode().strip()
def get_touchscreen_id() -> int:
proc = subprocess.Popen(['xinput'], stdout=subprocess.PIPE)
for line in proc.communicate()[0].decode().split('\n'):
if m := xinput_regex.match(line):
return int(m.group(1))
assert 'Touchscreen device not found'
def is_display_on() -> bool:
proc = subprocess.Popen(['xrandr', '-q'], stdout=subprocess.PIPE)
out = proc.communicate()[0].decode().strip()
@ -35,11 +45,15 @@ def signal_handler(name, _):
return
is_on = is_display_on()
touchscreen_id = get_touchscreen_id()
if is_on:
previous_xrandr = get_current_xrandr()
os.system('xrandr --output DSI-1 --off')
os.system(f'xinput disable {touchscreen_id}')
else:
os.system(previous_xrandr)
os.system(f'xinput enable {touchscreen_id}')
def main():