neodotfiles/config/awesome/lain/wiki/cal.md
2021-12-31 20:29:27 -04:00

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## Usage
[Read here.](https://github.com/lcpz/lain/wiki/Widgets#usage)
### Description
Creates a calendar notification that can be attached to widgets.
This is a simpler but [faster](https://github.com/awesomeWM/awesome/issues/1861)
alternative to [`awful.widget.calendar_popup`](https://awesomewm.org/doc/api/classes/awful.widget.calendar_popup.html), which emulates UNIX's `cal`.
```lua
local mycal = lain.widget.cal()
```
## Input table
Variable | Meaning | Type | Default
--- | --- | --- | ---
`attach_to` | List of widgets | table | empty table
`week_start` | First day of the week | integer | 2 (Monday)
`three` | Display three months spanning the date | boolean | false
`followtag` | Display the notification on currently focused screen | boolean | false
`icons` | Path to calendar icons | string | [icons/cal/white/](https://github.com/lcpz/lain/tree/master/icons/cal/white)
`notification_preset` | Notification preset | table | See [default `notification_preset`](https://github.com/lcpz/lain/wiki/calendar#default-notification_preset)
Set `attach_to` as the list of widgets to which you want to attach the calendar, like this:
```lua
local mycal = lain.widget.cal {
attach_to = { mywidget1, mywidget2, ... },
-- [...]
}
```
For every widget in `attach_to`:
- Left click / scroll down: switch to previous month.
- Middle click show current month.
- Right click / scroll up: switch to next month.
With multiple screens, the default behaviour is to show a visual notification pop-up window on the first screen. By setting `followtag` to `true` it will be shown on the currently focused tag screen.
### Default `notification_preset`
```lua
notification_preset = {
font = "Monospace 10",
fg = "#FFFFFF",
bg = "#000000"
}
```
## Output table
Variable | Meaning | Type
--- | --- | ---
`attach` | Attach the calendar to an input widget | function
`show` | Show calendar | function
`hide` | Hide calendar | function
`attach` takes as argument any widget you want to attach the calendar to, while
`show` takes as optional argument an integer to indicate the seconds to timeout.
## Keybinding
```lua
awful.key({ altkey }, "c", function () mycal.show(7) end)
```
Where `altkey = "Mod1"`.
## Notes
* Naughty notifications require `notification_preset.font` to be **monospaced**, in order to correctly display the output.
* If you want to [disable notification icon](https://github.com/lcpz/lain/pull/351), set `icons = ""` in the input table.
* If you want to localise the calendar, put `os.setlocale(os.getenv("LANG"))` in your `rc.lua`.
* If you want to get notifications [only with mouse clicks](https://github.com/lcpz/lain/issues/320) on a given widget, use this code:
```lua
yourwidget:disconnect_signal("mouse::enter", mycal.hover_on)
```