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Updated alsabar (markdown)
[etc/awesome.git] / alsabar.md
1 [<- widgets](https://github.com/copycat-killer/lain/wiki/Widgets)
2
3 Shows and controls alsa volume with a progressbar and provides tooltips, notifications, and color changes at mute/unmute switch.
4
5         myvolumebar = lain.widgets.alsabar()
6
7 * Left click: Launch `alsamixer` in your `terminal`.
8 * Right click: Mute/unmute.
9 * Scroll wheel: Increase/decrase volume.
10
11 The function takes a table as optional argument, which can contain:
12
13 Variable | Meaning | Type | Default
14 --- | --- | --- | ---
15 `width` | Bar width | int | 63
16 `height` | Bar height | int | 1
17 `ticks` | Set bar ticks on | boolean | true
18 `ticks_size` | Ticks size | int | 7
19 `vertical` | Set the bar vertical | boolean | false
20 `channel` | Mixer channel | string | "Master" 
21 `step` | Step at which volume is increased/decreased | string | "5%"
22 `colors` | Bar colors | table | see **colors**
23 `notifications` | Notifications settings | table | see **notifications**
24
25 ### colors
26
27 Variable | Meaning | Type | Default
28 --- | --- | --- | ---
29 `background` | Bar backgrund color | string | `beautiful.bg_normal`
30 `mute` | Bar mute color | string | "#EB8F8F"
31 `unmute` | Bar unmute color | string | "#A4CE8A"
32
33 ### notifications
34
35 Variable | Meaning | Type | Default
36 --- | --- | --- | ---
37 `font` | Notifications font | string | The one defined in `beautiful.font`
38 `font_size` | Notifications font size | string | "11"
39 `color` | Notifications color | string | `beautiful.fg_focus`
40 `bar_size` | Wibox height | int | 18
41
42 It's **crucial** to set `notifications.bar_size` to your `mywibox[s]` height,
43 **if** you have set it different than default (18). 
44
45 ### output table
46
47 Variable | Meaning | Type
48 --- | --- | ---
49 `widget` | The widget | `awful.widget.progressbar`
50 `channel` | Alsa channel | string
51 `step` | Increase/decrease step | string
52 `notify` | The notification | function
53
54 You can control the widget with key bindings like these:
55
56     -- Volume control
57     awful.key({ altkey }, "Up",
58     function ()
59         awful.util.spawn("amixer sset " .. volume.channel .. " " .. volume.step .. "+")
60         volume.notify()
61     end),
62     awful.key({ altkey }, "Down",
63     function ()
64         awful.util.spawn("amixer sset " .. volume.channel .. " " .. volume.step .. "-")
65         volume.notify()
66     end),
67     awful.key({ altkey }, "m",
68     function ()
69         awful.util.spawn("amixer set Master playback toggle")
70         volume.notify()
71     end),
72     awful.key({ altkey, "Control" }, "m", 
73     function ()
74         awful.util.spawn("amixer set Master playback 100%", false )
75         volume.notify()
76     end),
77
78 where `altkey = "Mod1"`.