bumblebee-status/bumblebee/modules/brightness.py
Tobi-wan Kenobi 2f3f171ca5 [core] Remove alias from module
Hide alias concept for modules in the engine. That way, the individual
modules never get to know about whether a module has been aliased or
not.

see #23
2016-12-02 18:53:34 +01:00

33 lines
1.2 KiB
Python

import bumblebee.module
def description():
return "Displays brightness percentage"
def parameters():
return [
"brightness.step: Steps (in percent) to increase/decrease brightness on scroll (defaults to 2)",
]
class Module(bumblebee.module.Module):
def __init__(self, output, config):
super(Module, self).__init__(output, config)
self._brightness = 0
self._max = 0
self._percent = 0
step = self._config.parameter("step", 2)
output.add_callback(module=self.instance(), button=4, cmd="xbacklight +{}%".format(step))
output.add_callback(module=self.instance(), button=5, cmd="xbacklight -{}%".format(step))
def widgets(self):
with open("/sys/class/backlight/intel_backlight/brightness") as f:
self._brightness = int(f.read())
with open("/sys/class/backlight/intel_backlight/max_brightness") as f:
self._max = int(f.read())
self._brightness = self._brightness if self._brightness < self._max else self._max
self._percent = int(round(self._brightness * 100 / self._max))
return bumblebee.output.Widget(self, "{:02d}%".format(self._percent))
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