Re: [dev] [announce] pista: the ii of status bars

From: Siraaj Khandkar <siraaj_AT_khandkar.net>
Date: Mon, 25 Oct 2021 08:52:59 -0400

Thanks, Alan. Yeah - using ii was like a chakra opening experience for
me - I felt the enlightenment flow through my whole body.

On 10/23/21 07:38, Alan Morgan wrote:
> That's great. I actually joined this mailing list recently, because of finding
> out about "ii". It's nice to see another project doing something similar.
>
> On 22 Oct 2021, at 15:07, dev mail list wrote:
>> Hello fellow dislikers of sucking!
>>
>> After a lot of suckfull experiments (archived at
>> https://github.com/xandkar/khatus/), I've finally settled on what it is
>> that I would even want from a status bar thingie - I want ii, but for my
>> status bar. Here's my take on it:
>>
>> https://github.com/xandkar/pista
>>
>> I've been dogfooding/beta-testing pista for almost 2 years now, and
>> while there's certainly improvements that can be made - it reliably does
>> pretty much what I want.
>>
>> Any constructive criticism is highly appreciated!
>>
>> The main design idea is this: asynchronously read lines from N FIFOs and
>> route to N corresponding slots on the bar:
>>
>> b +--------------+--------------+- ... ---+-------------+
>> a | slot_1 | slot_2 | | slot_N |
>> r +--------------+--------------+- ... ---+-------------+
>> ^ ^ ^
>> | | |
>> +-+ +-+ +-+
>> | | | | | |
>> |F| |F| |F|
>> |I| |I| |I|
>> |F| |F| |F|
>> |O| |O| |O|
>> | | | | | |
>> |1| |2| |N|
>> | | | | | |
>> +-+ +-+ +-+
>> ^ ^ ^
>> | | |
>> process_1 process_2 ... process_N
>>
>>
>> Each slot is given a TTL, after which, if there was no update - the slot
>> is cleared - helping you spot broken sensors and not fool yourself with
>> stale data.
>>
>> What is a sensor? Anything that outputs lines of text.
>> What goes into a FIFO? Lines of text.
>>
>> Here're the "sensors" that I currently use (which are still in flux and
>> not quite suckless yet):
>>
>> https://github.com/xandkar/pista-sensors
>>
>> I launch it all via a script such as this:
>> https://github.com/xandkar/pista-sensors/blob/master/example-via-tmux
>>
>> which I call from ~/.xinitrc
>>
>> Running it from tmux has been great - I can do runtime reconfiguration,
>> stop, restart the whole thing, can attach and stop/restart and or tweak
>> individual sensor processes, etc. - all without relaunching X.
>>
>> This also makes it easy to do one-off experiments as well as temporarily
>> disabling things (like if I want to completely disable the weather
>> fetcher while I know I'm going to be offline for a long time).
Received on Mon Oct 25 2021 - 14:52:59 CEST

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