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Updated alsa (markdown)
[etc/awesome.git] / alsa.md
1 [<- widgets](https://github.com/copycat-killer/lain/wiki/Widgets)
2
3 Shows and controls alsa volume with a textbox.
4
5         volume = lain.widgets.alsa()
6
7 ### input table
8
9 Variable | Meaning | Type | Default
10 --- | --- | --- | ---
11 `timeout` | Refresh timeout seconds | int | 5
12 `channel` | Mixer channel | string | "Master" 
13 `settings` | User settings | function | empty function
14
15 `settings` can use the following variables:
16
17 Variable | Meaning | Type | Values
18 --- | --- | --- | ---
19 volume.level | Self explained | int | 0-100
20 volume.status | Device status | string | "on", "off"
21
22 ### output table
23
24 Variable | Meaning | Type
25 --- | --- | --- 
26 `widget` | The widget | `wibox.widget.textbox`
27 `update` | Update `widget` | function
28
29 You can control the widget with key bindings like these:
30
31     -- Volume control
32     awful.key({ altkey }, "Up",
33     function ()
34         awful.util.spawn("amixer set Master 1%+")
35         volume.update()
36     end),
37     awful.key({ altkey }, "Down",
38     function ()
39         awful.util.spawn("amixer set Master 1%-")
40         volume.update()
41     end),
42     awful.key({ altkey }, "m",
43     function ()
44         awful.util.spawn("amixer set Master playback toggle")
45         volume.update()
46     end),
47     awful.key({ altkey, "Control" }, "m", 
48     function ()
49         awful.util.spawn("amixer set Master playback 100%", false )
50         volume.update()
51     end),
52
53 where `altkey = "Mod1"`.