How to increase scaling via CLI, for use as smart-tv?

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Hey there!

I want to use my Laptop as a smart-tv, and it works great!

To do some stuff, it is a bit too small.

I would like to find a good command to change the current scaling, font size etc to increase UIs and text.

I found this command to spawn KDE (Qt) apps with a set scaling:

QT_SCALE_FACTOR=2 dolphin

It is likely something with kscreen-doctor but I would like to not have it be tied to a specific screen ID (like “HDMI1”) to make it work in general.

This could even be natively implemented into KDE Connect?

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Hi - definitely not my area of expertise, but perhaps you could parse the output of kscreen-doctor -o to create a list of screens, then loop through that list using kscreen-doctor output.<display identifier>.scale.<scaling number> and set scaling for each one?

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Thx. Honestly I dont think this is important anymore, as screen configs are saved and I know how to spawn some apps bigger