bumblebee-status/bumblebee/outputs/i3.py
Tobias Witek 7c2170f58a [i3] Use Popen instead of call - async call
subprocess.call() blocks until the command finishes - Popen is better
for executing in the background :)
2016-11-01 07:58:12 +01:00

84 lines
2.5 KiB
Python

from __future__ import unicode_literals
import os
import sys
import json
import shlex
import threading
import subprocess
import bumblebee.output
def read_input(output):
while True:
line = sys.stdin.readline().strip(",").strip()
if line == "[": continue
if line == "]": break
DEVNULL = open(os.devnull, 'wb')
event = json.loads(line)
cb = output.callback(event)
if cb:
cb = cb.format(
name = event.get("name", ""),
instance = event.get("instance", ""),
button = event.get("button", -1)
)
subprocess.Popen(shlex.split(cb), stdout=DEVNULL, stderr=DEVNULL)
class i3bar(bumblebee.output.Output):
def __init__(self, theme):
super(i3bar, self).__init__(theme)
self._data = []
self.add_callback("i3-msg workspace prev", 4)
self.add_callback("i3-msg workspace next", 5)
self._thread = threading.Thread(target=read_input, args=(self,))
self._thread.start()
def start(self):
return json.dumps({ "version": 1, "click_events": True }) + "["
def add(self, obj):
theme = self.theme()
while True:
d = obj.data()
data = {
u"full_text": "{}{}{}".format(theme.prefix(obj), d, theme.suffix(obj)),
"color": theme.color(obj),
"background": theme.background(obj),
"name": obj.__module__.replace("bumblebee.modules.",""),
"instance": obj.instance() if hasattr(obj, "instance") else None,
}
if theme.urgent(obj) and obj.critical():
data["urgent"] = True
if theme.default_separators(obj) == False:
data["separator"] = False
data["separator_block_width"] = 0
if theme.separator(obj):
self._data.append({
u"full_text": theme.separator(obj),
"color": theme.background(obj),
"background": theme.previous_background(),
"separator": False,
"separator_block_width": 0,
})
self._data.append(data)
if obj.next() == False:
break
theme.next()
def get(self):
data = json.dumps(self._data)
self._data = []
return data + ","
def stop(self):
return "]"
# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4