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[Help] Can't restore a fullscreen game after alt-tabbing, and Windows have white border in borderless fullscreen (lemmy.dbzer0.com)

submitted 6 days ago* (last edited 6 days ago) by [email protected] to c/[email protected]

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I recently installed Linux Mint Cinnamon on a laptop, and I'm having a two-sided issue. Web searches have yielded no solution. I'm also very new to Linux.

Problem 1: When alt-tabbing out of a fullscreen application (at this moment, Helldivers 2), the application will minimize, but I cannot restore it. It will appear for roughly half a second, and then re-minimize. I can hear the game still running in the background.

I have tried alt-tab, super+number, and right-click>restore. None seem to work.
I have tried disabling thumbnails for windows, no fix.
Disabling effects, no fix.

Problem 2: As a workaround for problem 1, I tried borderless fullscreen. It works, but there is a white, 1 px border around the screen. I have tried changing themes, no fix. Same thing with disabling effects. I do like the Mint-Y theme, but there's no longer an option to change window borders, from what I've researched. Again, trying a different theme didn't seem to get rid of the white border.

Please help.

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[–] [email protected] 2 points 5 days ago* (last edited 5 days ago) (1 children)

I get this a lot when playing Sims4 in Awesome. The window just ups and vanishes if you tab to desktop.

Solution:

wmctrl -a sims -b toggle fullscreen

https://linux.die.net/man/1/wmctrl

[–] [email protected] 3 points 5 days ago* (last edited 5 days ago) (1 children)

It does not seem to work for me. After inputting

wmctrl -a helldivers -b toggle,fullscreen

I just get a quick black flicker and it goes back to minimized. I also tried changing the win argument to :SELECT: from the documentation you linked, but it still doesn't pull up the window and keep it there.

The command does work for other windows, for clarification.

[–] [email protected] 2 points 5 days ago* (last edited 5 days ago) (2 children)

huh. What about -b add,fullscreen, and keep spamming it in a for loop

[–] [email protected] 2 points 5 days ago

It didn't seem to have an effect, unfortunately.

[–] [email protected] 2 points 5 days ago

I'll give that a shot tonight and let you know