94 lines
3.3 KiB
Markdown
94 lines
3.3 KiB
Markdown
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# Brightness widget
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This widget represents current brightness level, depending on config parameters could be an arcchart or icon with text: 
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## Customization
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It is possible to customize widget by providing a table with all or some of the following config parameters:
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| Name | Default | Description |
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|---|---|---|
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| `type`| `arc` | The widget type. Could be `arc` or `icon_and_text` |
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| `program` | `light` | The program used to control the brightness, either `light`, `xbacklight`, or `brightnessctl`. |
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| `step` | 5 | Step |
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| `base` | 20 | Base level to set brightness to on left click. |
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| `path_to_icon` | `/usr/share/icons/Arc/status/symbolic/display-brightness-symbolic.svg` | Path to the icon |
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| `font` | `Play 9` | Font |
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| `timeout` | 1 | How often in seconds the widget refreshes. Check the note below |
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| `tooltip` | false | Display brightness level in a tooltip when the mouse cursor hovers the widget |
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_Note:_ If brightness is controlled only by the widget (either by a mouse, or by a shortcut, then the `timeout` could be quite big, as there is no reason to synchronize the brightness level).
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## Installation
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To choose the right `program` argument, first you need to check which of them works better for you.
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- using `xbacklight`:
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Install (on Ubuntu it's available in the apt repository) it and check if it works by running:
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```bash
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xbacklight -get
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```
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If there is no output it means that it doesn't work, you can either try to fix it, or try to use `light`.
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- using `light` command:
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Install (on Ubuntu it's available in the apt repository) from the repo: [github.com/haikarainen/light](https://github.com/haikarainen/light) and check if it works by running
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```bash
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light -G
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49.18
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light -A 5
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```
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If you're on Ubuntu/debian and if the brightness level doesn't change, try to do this: https://github.com/haikarainen/light/issues/113#issuecomment-632638436.
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- using `brightnessctl`:
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On Ubuntu it is available in the apt repository. Install and check the ouptut of the following command.
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```bash
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brightnessctl --list
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```
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Then clone this repo under **~/.config/awesome/**:
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```bash
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git clone https://github.com/streetturtle/awesome-wm-widgets.git ~/.config/awesome/awesome-wm-widgets
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```
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Require widget at the beginning of **rc.lua**:
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```lua
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local brightness_widget = require("awesome-wm-widgets.brightness-widget.brightness")
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```
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Add the widget to the tasklist:
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```lua
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s.mytasklist, -- Middle widget
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{ -- Right widgets
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layout = wibox.layout.fixed.horizontal,
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...
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-- default
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brightness_widget(),
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-- or customized
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brightness_widget{
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type = 'icon_and_text',
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program = 'xbacklight',
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step = 2,
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}
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}
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...
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```
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## Controls
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In order to change brightness by shortcuts you can add them to the `globalkeys` table in the **rc.lua**:
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```lua
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awful.key({ modkey }, ";", function () brightness_widget:inc() end, {description = "increase brightness", group = "custom"}),
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awful.key({ modkey, "Shift"}, ";", function () brightness_widget:dec() end, {description = "decrease brightness", group = "custom"}),
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```
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On a laptop you can use `XF86MonBrightnessUp` and `XF86MonBrightnessDown` keys.
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