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78 lines
2.0 KiB
78 lines
2.0 KiB
10 years ago
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[<- widgets](https://github.com/copycat-killer/lain/wiki/Widgets)
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Shows in a textbox the remaining time and percentage capacity of your laptop battery, as well as
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the current wattage.
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Displays a notification when battery is low or critical.
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mybattery = lain.widgets.bat()
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### input table
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Variable | Meaning | Type | Default
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--- | --- | --- | ---
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`timeout` | Refresh timeout seconds | int | 30
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`battery` | Identifier of the battery | string | "BAT0"
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`notify` | Enable notifications | string | "on"
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`settings` | User settings | function | empty function
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To disable warning notifications, set `notify` to `"off"`.
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`settings` can use the `bat_now` table, which contains the following strings:
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- `status` ("Not present", "Charging", "Discharging");
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- `perc`;
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- `time`;
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- `watt`.
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`settings` can use the `bat_now` table, which contains the following strings:
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- `status` ("Not present", "Charging", "Discharging");
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- `perc`;
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- `time`;
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- `watt`.
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and can modify the following two tables, which will be the preset for the naughty notifications:
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* `bat_notification_low_preset`(used if battery charge level <= 15)
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* `bat_notification_critical_preset` (used if battery charge level <= 5)
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Check [here](http://awesome.naquadah.org/doc/api/modules/naughty.html#notify) for the list of variables they can contain.
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**Default definition:**
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```lua
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bat_notification_low_preset = {
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title = "Battery low",
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text = "Plug the cable!",
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timeout = 15,
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fg = "#202020",
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bg = "#CDCDCD"
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}
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```
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```lua
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bat_notification_critical_preset = {
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title = "Battery exhausted",
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text = "Shutdown imminent",
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timeout = 15,
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fg = "#000000",
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bg = "#FFFFFF"
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}
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```
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### output
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A textbox.
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### Note
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If your widget is always on "N/A" with default settings, then `BAT0` is not your battery file. Locate the right one in `/sys/class/power_supply/` and set `battery` properly.
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For instance, with `BAT1`:
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```lua
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batwidget = lain.widgets.bat({
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battery = "BAT1",
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settings = function()
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-- do stuff
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end
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})
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```
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