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4cd4f8e1e9201849f97ecd6907d10a23ac5cef2d
[etc/awesome.git] / brightness.md
1 [<- widgets](https://github.com/copycat-killer/lain/wiki/Widgets)
2
3 Shows the current level of screen brightness in a textbox.
4
5         brightnesswidget = lain.widgets.contrib.brightness()
6
7 ### input table
8
9 Variable | Meaning | Type | Default
10 --- | --- | --- | ---
11 `timeout` | Refresh timeout seconds | int | 5
12 `backlight` | Backlight video | string | "acpi_video0" 
13 `settings` | User settings | function | empty function
14
15 `settings` can use the following variables:
16
17 Variable | Meaning | Type | Values
18 --- | --- | --- | ---
19 `brightness_now` | Brightness level | int | 0-100
20
21 ### output table
22
23 Variable | Meaning | Type
24 --- | --- | --- 
25 `widget` | The widget | `wibox.widget.textbox`
26 `update` | Update `widget` | function
27
28 You can control the widget with key bindings like these:
29
30     -- Brightness control
31     awful.key({}, "XF86MonBrightnessUp",
32     function ()
33         awful.util.spawn("xbacklight -inc 1")
34         brightnesswidget.update()
35     end),
36     awful.key({}, "XF86MonBrightnessDown",
37     function ()
38         awful.util.spawn("xbacklight -dec 1")
39         brightnesswidget.update()
40     end),