SoftMaker.com

Window position issue: it doesn't work if you close and reopen the application in the original screen, anyway dialogs will open in the middle of both screens. You must reboot.

Regarding the scaling issue: I wrote a bash script that get the number of active screens and modify ofnconfig.ini and ...

All Linux applications I use scale correctly. Only Texmaker and Planmaker have that issue.
You can check KDE Kate, Telegram Desktop, Firefox, Darktable or Joplin.
It's the same about the window position. For a program opened in screen 'x', all dialogs are expected on screen 'x', not between ...

Thanks. I will copy the email here:
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My laptop setup consists of two screens:
. 4K/Primary Screen, 3840x2160@150%
. Built-In/Secondary Screen, 1366x768@100%
Usually, I set the User Interface to my liking on the 4K/Primary Screen. If I move TextMaker (or PlanMaker) to the smaller screen ...

Softmaker customer support for Linux is working? I filled twice (two and one week ago) a request for help and didn't receive any answer. Not even an automatic one.