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