from alsaaudio import Mixer, ALSAAudioError
from i3pystatus import IntervalModule
[docs]class ALSA(IntervalModule):
"""
Shows volume of ALSA mixer. You can also use this for inputs, btw.
Requires pyalsaaudio
.. rubric:: Available formatters
* `{volume}` — the current volume in percent
* `{muted}` — the value of one of the `muted` or `unmuted` settings
* `{card}` — the associated soundcard
* `{mixer}` — the associated ALSA mixer
"""
interval = 1
settings = (
"format",
("format_muted", "optional format string to use when muted"),
("mixer", "ALSA mixer"),
("mixer_id", "ALSA mixer id"),
("card", "ALSA sound card"),
("increment", "integer percentage of max volume to in/decrement volume on mousewheel"),
"muted", "unmuted",
"color_muted", "color",
"channel"
)
muted = "M"
unmuted = ""
color_muted = "#AAAAAA"
color = "#FFFFFF"
format = "♪: {volume}"
format_muted = None
mixer = "Master"
mixer_id = 0
card = 0
channel = 0
increment = 5
alsamixer = None
has_mute = True
def init(self):
self.create_mixer()
try:
self.alsamixer.getmute()
except ALSAAudioError:
self.has_mute = False
self.fdict = {
"card": self.alsamixer.cardname(),
"mixer": self.mixer,
}
def create_mixer(self):
self.alsamixer = Mixer(
control=self.mixer, id=self.mixer_id, cardindex=self.card)
def run(self):
self.create_mixer()
muted = False
if self.has_mute:
muted = self.alsamixer.getmute()[self.channel] == 1
self.fdict["volume"] = self.alsamixer.getvolume()[self.channel]
self.fdict["muted"] = self.muted if muted else self.unmuted
if muted and self.format_muted is not None:
output_format = self.format_muted
else:
output_format = self.format
self.output = {
"full_text": output_format.format(**self.fdict),
"color": self.color_muted if muted else self.color,
}
def on_leftclick(self):
self.on_rightclick()
def on_rightclick(self):
if self.has_mute:
muted = self.alsamixer.getmute()[self.channel]
self.alsamixer.setmute(not muted)
def on_upscroll(self):
vol = self.alsamixer.getvolume()[self.channel]
self.alsamixer.setvolume(min(100, vol + self.increment))
def on_downscroll(self):
vol = self.alsamixer.getvolume()[self.channel]
self.alsamixer.setvolume(max(0, vol - self.increment))