waybar/man/waybar-custom.5.scd

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waybar-custom(5)
# NAME
waybar - custom module
# DESCRIPTION
The *custom* module displays either the output of a script or static text.
To display static text, specify only the *format* field.
# CONFIGURATION
Addressed by *custom/<name>*
*exec*: ++
typeof: string ++
The path to the script, which should be executed.
*exec-if*: ++
typeof: string ++
The path to a script, which determines if the script in *exec* should be executed. ++
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*exec* will be executed if the exit code of *exec-if* equals 0.
*exec-on-event*: ++
typeof: bool ++
default: true ++
If an event command is set (e.g. *on-click* or *on-scroll-up*) then re-execute the script after executing the event command.
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*return-type*: ++
typeof: string ++
See *return-type*
*interval*: ++
typeof: integer ++
The interval (in seconds) in which the information gets polled. ++
Use *once* if you want to execute the module only on startup. ++
You can update it manually with a signal. If no *interval* is defined, it is assumed that the out script loops it self.
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*restart-interval*: ++
typeof: integer ++
The restart interval (in seconds). ++
Can't be used with the *interval* option, so only with continuous scripts. ++
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Once the script exit, it'll be re-executed after the *restart-interval*.
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*signal*: ++
typeof: integer ++
The signal number used to update the module. ++
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The number is valid between 1 and N, where *SIGRTMIN+N* = *SIGRTMAX*.
*format*: ++
typeof: string ++
default: {} ++
The format, how information should be displayed. On {} data gets inserted.
*format-icons*: ++
typeof: array ++
Based on the set percentage, the corresponding icon gets selected. The order is *low* to *high*.
*rotate*: ++
typeof: integer ++
Positive value to rotate the text label.
*max-length*: ++
typeof: integer ++
The maximum length in character the module should display.
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*min-length*: ++
typeof: integer ++
The minimum length in characters the module should take up.
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*align*: ++
typeof: float ++
The alignment of the text, where 0 is left-aligned and 1 is right-aligned. If the module is rotated, it will follow the flow of the text.
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*on-click*: ++
typeof: string ++
Command to execute when clicked on the module.
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*on-click-middle*: ++
typeof: string ++
Command to execute when middle-clicked on the module using mousewheel.
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*on-click-right*: ++
typeof: string ++
Command to execute when you right clicked on the module.
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*on-update*: ++
typeof: string ++
Command to execute when the module is updated.
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*on-scroll-up*: ++
typeof: string ++
Command to execute when scrolling up on the module.
*on-scroll-down*: ++
typeof: string ++
Command to execute when scrolling down on the module.
*smooth-scrolling-threshold*: ++
typeof: double ++
Threshold to be used when scrolling.
*tooltip*: ++
typeof: bool ++
default: true ++
Option to disable tooltip on hover.
*escape*: ++
typeof: bool ++
default: false ++
Option to enable escaping of script output.
# RETURN-TYPE
When *return-type* is set to *json*, Waybar expects the *exec*-script to output its data in JSON format.
This should look like this:
```
{"text": "$text", "tooltip": "$tooltip", "class": "$class", "percentage": $percentage }
```
The *class* parameter also accepts an array of strings.
If nothing or an invalid option is specified, Waybar expects i3blocks style output. Values are *newline* separated.
This should look like this:
```
$text\\n$tooltip\\n$class*
```
*class* is a CSS class, to apply different styles in *style.css*
# FORMAT REPLACEMENTS
*{}*: Output of the script.
*{percentage}* Percentage which can be set via a json return-type.
*{icon}*: An icon from 'format-icons' according to percentage.
# EXAMPLES
## Spotify:
```
"custom/spotify": {
"format": " {}",
"max-length": 40,
"interval": 30, // Remove this if your script is endless and write in loop
"exec": "$HOME/.config/waybar/mediaplayer.sh 2> /dev/null", // Script in resources folder
"exec-if": "pgrep spotify",
"return-type": "json"
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}
```
## mpd:
```
"custom/mpd": {
"format": "♪ {}",
//"max-length": 15,
"interval": 10,
"exec": "mpc current",
"exec-if": "pgrep mpd",
"on-click": "mpc toggle",
"on-click-right": "sonata"
}
```
## cmus:
```
"custom/cmus": {
"format": "♪ {}",
//"max-length": 15,
"interval": 10,
"exec": "cmus-remote -C \"format_print '%a - %t'\"", // artist - title
"exec-if": "pgrep cmus",
"on-click": "cmus-remote -u", //toggle pause
"escape": true //handle markup entities
}
```
## Pacman
```
"custom/pacman": {
"format": "{} ",
"interval": "once",
"exec": "pacman_packages",
"on-click": "update-system",
"signal": 8
}
```
## Alternate Pacman
```
"custom/pacman": {
"format": "{} ",
"interval": 3600, // every hour
"exec": "checkupdates | wc -l", // # of updates
"exec-if": "exit 0", // always run; consider advanced run conditions
"on-click": "termite -e 'sudo pacman -Syu'; pkill -SIGRTMIN+8 waybar", // update system
"signal": 8
}
```
You can use the signal and update the number of available packages with *pkill -RTMIN+8 waybar*.
# STYLE
- *#custom-<name>*
- *#custom-<name>.<class>*
- *<class>* can be set by the script. For more information see *return-type*