Tuner Slider GUI Window Size Scaling Issue about qucs_s HOT 6 OPEN

I cannot reproduce these issues using X11/KDE or Windows. Need to wait for someone who can debug and provide a patch for Wayland.

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I can confirm that it works seamless on:

MANJARO KDE Frameworks Version 5.113.0
KDE Plasma Version 5.27.10
Qt Version 5.15.11

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I did test Debian 12, Gnome Desktop on Wayland, and it works without any problems.
Therefore, it is probably a specific problem of the actual Manjaro/Gnome/Wayland desktop.

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I have tested the Wayland+Qt6.7.0 platform. I still cannot reproduce exactly the same issue, but the other tuner window size issues appear time to time. It's starnge, but the Windows build using the same Qt version is not affected.

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@3813127458 I still cannot reproduce the bug exactly as on your screen recording, but another tuner window size issues appear on my system. Do you see the behavior as in the attached screencast? Only Wayland is affected. The X11 and Windows work as expected using Qt6.
Screencast_20240602_090232.webm

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It seems the QWidge::adjustSize() (tuner.cpp line 749) doesn't work properly for Qt6 using Wayland backend. Only hardcoded minimum size for TunerElement helps. I failed to provide a fix for this issue.

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