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How to display a symbol similar to the undervoltage symbol on raspberry pi (feddit.uk)
submitted 5 months ago* (last edited 5 months ago) by PrettyFlyForAFatGuy@feddit.uk to c/linux@lemmy.ml
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I want to display a symbol at the top right of one or both of my screens, similar to the lightning bolt symbol raspberry pi OS uses to indicate lack of power, when certain conditions are met.

I'm pretty sure i could cobble a bash script together to decide when to do it, but it's the actual displaying of the symbol i'm not sure where to start on. It would need to appear on top of anything else that may be on the screen at the time

Everything i have tried googling returns irrelevant results

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[-] breakcore@discuss.tchncs.de 8 points 5 months ago

What you are looking for is some kind of on screen display overlay.

I found this, see if it can be of any use : https://github.com/vascofazza/Retropie-open-OSD

[-] PrettyFlyForAFatGuy@feddit.uk 3 points 5 months ago

looks similar, i might be able to adapt something from this, thanks

[-] juliebean@lemm.ee 2 points 5 months ago

would a notification work? notify-send seems like it could fit the bill.

[-] maiskanzler@feddit.de 1 points 5 months ago

Does it have to be an overlay or would a regular notification that pops up suffice? Those may be quite easy to write fir your chosen DE.

[-] PrettyFlyForAFatGuy@feddit.uk 2 points 5 months ago

I tend to ignore the KDE notifications. i want something that will be on screen until i take certain mitigating actions

[-] Ludrol@szmer.info 1 points 5 months ago

Maybe write it as an GNOME or KDE plugin?

[-] refalo@programming.dev -1 points 5 months ago

Why not just look at the lightning bolt code and use that?

[-] PrettyFlyForAFatGuy@feddit.uk 1 points 5 months ago

not sure where it is tbh

this post was submitted on 21 Apr 2024
31 points (97.0% liked)

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