53 lines
1.5 KiB
Python
53 lines
1.5 KiB
Python
from i3pystatus.file import File
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from i3pystatus import Module
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from i3pystatus.core.command import run_through_shell
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import shutil
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class Backlight(File):
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"""
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Screen backlight info
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- (Optional) requires `xbacklight` to change the backlight brightness with the scollwheel.
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.. rubric:: Available formatters
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* `{brightness}` — current brightness relative to max_brightness
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* `{max_brightness}` — maximum brightness value
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* `{percentage}` — current brightness in percent
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"""
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settings = (
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("format", "format string, formatters: brightness, max_brightness, percentage"),
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("backlight", "backlight, see `/sys/class/backlight/`"),
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"color",
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)
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required = ()
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backlight = "acpi_video0"
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format = "{brightness}/{max_brightness}"
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base_path = "/sys/class/backlight/{backlight}/"
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components = {
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"brightness": (int, "brightness"),
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"max_brightness": (int, "max_brightness"),
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}
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transforms = {
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"percentage": lambda cdict: round((cdict["brightness"] / cdict["max_brightness"]) * 100),
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}
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on_upscroll = "lighter"
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on_downscroll = "darker"
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def init(self):
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self.base_path = self.base_path.format(backlight=self.backlight)
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self.has_xbacklight = shutil.which("xbacklight") is not None
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super().init()
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def lighter(self):
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if self.has_xbacklight:
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run_through_shell(["xbacklight", "+5"])
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def darker(self):
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if self.has_xbacklight:
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run_through_shell(["xbacklight", "-5"])
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