100 lines
3.1 KiB
Markdown
100 lines
3.1 KiB
Markdown
---
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layout: page
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---
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# Brightness widget
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This widget represents current brightness level: 
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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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| `get_brightness_cmd` | `light -G` | Get current screen brightness |
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| `inc_brightness_cmd` | `light -A 5` | Increase brightness |
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| `dec_brightness_cmd` | `light -U 5`| Decrease brightness |
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| `color` | `beautiful.fg_color` | Color of the arc |
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| `bg_color` | `#ffffff11` | Color of the arc's background |
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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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### Example:
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```lua
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brightnessarc_widget({
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get_brightness_cmd = 'xbacklight -get',
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inc_brightness_cmd = 'xbacklight -inc 5',
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dec_brightness_cmd = 'xbacklight -dec 5'
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color = '/usr/share/icons/Arc/status/symbolic/brightness-display-symbolic.svg'
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})
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```
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## Installation
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First you need to get the current brightness level. There are two options:
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- using `xbacklight` command (depending on your video card (I guess) it may or may not work)
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To check if it works install xbackligth and check if it works:
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```bash
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sudo apt-get install xbacklight
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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, but there is a second option:
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- using `light` command
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Install it from this git repo: [github.com/haikarainen/light](../awesome-wm-widgets/assets/img/screenshots/brightnessarc-widgetttps://github.com/haikarainen/light) and check if it works but running
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```bash
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git clone https://github.com/haikarainen/light.git && \
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cd ./light && \
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sudo make && sudo make install \
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light -G
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49.18
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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 brightnessarc_widget = require("awesome-wm-widgets.brightnessarc-widget.brightnessarc")
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```
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Add 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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brightnessarc_widget(),
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-- or customized
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brightnessarc_widget({
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get_brightness_cmd = 'xbacklight -get',
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inc_brightness_cmd = 'xbacklight -inc 5',
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dec_brightness_cmd = 'xbacklight -dec 5'
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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 () awful.spawn("light -A 5") end, {description = "increase brightness", group = "custom"}),
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awful.key({ modkey, "Shift"}, ";", function () awful.spawn("light -U 5") end, {description = "decrease brightness", group = "custom"}),
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```
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On laptop you can use `XF86MonBrightnessUp` and `XF86MonBrightnessDown` keys.
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