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# -*- python -*-
# A xpybar configuration example that demonstrates how you can
# write a configuration that lets you change the clock between
# local time and UTC using the keyboard.
# This example requires the package python-posix_ipc, and the
# example command requires the package cmdipc.
# Caveat: This example is only written to support local displays.
# If the host part of $DISPLAY contains a dot, this example will
# not work as expected.
# Caveat: The IPC objects are not cleaned up on exit.
# After exiting you may want to run
# cmdipc -PQrk "/~${USER}.xpybar.$(echo "${DISPLAY}" | cut -d . -f 1)"
# To switch between UTC and localtime run the command
# cmdipc -PQk "/~${USER}.xpybar.$(echo "${DISPLAY}" | cut -d . -f 1)" send -- clock
# You may want to add an executable file in your ~/.local/bin
# (which should you include in your $PATH) containing the code
# #!/bin/sh
# exec cmdipc -PQk "/~${USER}.xpybar.$(echo "${DISPLAY}" | cut -d . -f 1)" send -- clock
# You can then add a hotkey to xbindkeys running that command.
import time
import threading
from plugins.clock import Clock
OUTPUT, HEIGHT, YPOS, TOP = 0, 12, 24, True
local_clock = Clock(format = '%Y-(%m)%b-%d %T, %a w%V, %Z', utc = False, sync_to = Clock.SECONDS)
utc_clock = Clock(format = '%Y-(%m)%b-%d %T, %a w%V, %Z', utc = True)
my_clock = local_clock
def mqueue_wait():
import posix_ipc
global my_clock
qkey = '/~%s.xpybar.%s' % (os.environ['USER'], os.environ['DISPLAY'].split('.')[0])
q = posix_ipc.MessageQueue(qkey, posix_ipc.O_CREAT, 0o600, 8, 128)
while True:
message = q.receive(None)[0].decode('utf-8', 'replace')
if message == 'clock':
my_clock = utc_clock if (my_clock is not utc_clock) else local_clock
bar.invalidate() # Optional, just to force redrawing before the next second
start_ = start
def start():
start_()
async(mqueue_wait)
async(lambda : local_clock.continuous_sync(lambda : bar.invalidate()))
def redraw():
text = '%s' % my_clock.read()
bar.clear()
bar.draw_coloured_text(0, 10, 0, 2, text)
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