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[core/output] rate-limit output (see #917)

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according to research (Jakob Nielsen '93), roughly 0.1s is what is
required for the user to feel "instantaneous".

based on this, rate-limit updates to only once per ~0.03s (0.1 felt
really laggy for me, so let's be conservative)
This commit is contained in:
tobi-wan-kenobi 2022-09-01 21:12:21 +02:00
parent 978519e130
commit b90346424b
1 changed files with 10 additions and 0 deletions
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10
bumblebee_status/core/output.py
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@ -1,6 +1,7 @@
import sys import sys
import json import json
import time import time
import datetime
import core.theme import core.theme
import core.event import core.event
@ -145,6 +146,7 @@ class i3(object):
self.__content = {} self.__content = {}
self.__theme = theme self.__theme = theme
self.__config = config self.__config = config
self.__previous_draw = datetime.datetime.min
core.event.register("update", self.update) core.event.register("update", self.update)
core.event.register("start", self.draw, "start") core.event.register("start", self.draw, "start")
core.event.register("draw", self.draw, "statusline") core.event.register("draw", self.draw, "statusline")
@ -176,6 +178,14 @@ class i3(object):
self.__content[widget_id]["minimized"] = not self.__content[widget_id]["minimized"] self.__content[widget_id]["minimized"] = not self.__content[widget_id]["minimized"]
def draw(self, what, args=None): def draw(self, what, args=None):
if what == "statusline":
now = datetime.datetime.now()
prev = self.__previous_draw
self.__previous_draw = now
if (now - prev).total_seconds() < 0.03:
return
cb = getattr(self, what) cb = getattr(self, what)
data = cb(args) if args else cb() data = cb(args) if args else cb()
if "blocks" in data: if "blocks" in data: