Lxqt-kwin scaling issues on hidpi (retina) display


As I log in on a fresh install every desktop element is very small. To solve the problem I go on "session settings" (LXQT preferences) where I enter a scale factor of 2. Finally I reboot the system.

There are 2 resulting problems:

  1. The scaling is not applied consistently. In other words not all the graphical desktop elements react to the setting. For example the LXQT menu and the LXQT lateral panel have the desired setting, however the log in screen does not. Same goes for the top "bar" of each window which remains small while the window's content is scaled properly (an exception here is the firedragon browser which applies the setting as expected)

  2. The bottom bar (Latte) disappears after the scaling. I tried to disable autohide but could not find a menu item for setting the Latte bar.

Hope somebody can provide me with some hints/solution

Thank you!

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Garuda (2.6.8-1):
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  Last full system update: 2022-10-03 ↻
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  Relevant software:       NetworkManager
  Windows dual boot:       No/Undetected
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  Failed units:  


This is by-design :upside_down_face: , since this desktop is of Frankenstein type.
The original LxQt is originally using Openbox window manager.
Even if the devs include an easy method to use a different WM, like kWin (which produces an excellent result combo), it doesn't mean it is automatically syncing all settings to both parts (LxQt <=> kWin). You need to do it manually, or use modification methods that work consistently to both.

For the specific issue (small elements), I would rather suggest to change font size, instead of scaling the Display. Making scaling consistently applied is very difficult in such multi-part systems in my experience, but you may try. You should know that GTK apps need their own scaling as well (GDK_DPI_SCALE env var).

The lucky part is that you may easily change kWin and other KDE related settings, using the usual KDE System Settings application.

This is SDDM and is not a part of the Desktop Environment (DE). Although you might be able to easily modify it with KDE System Settings as well.

Latte dock development has paused for some time now, and such issues were not easily solved, especially after several new KDE development code. I would suggest you find another way to replace it. Or reset its config files to default and try more settings (it has hundreds of them).


It looks like Frankenstein only after scaling on hidpi though.. Not to worry I'm happy to fiddle with it for a while.

Just one more question.
Does Garuda provide documentation specifically on how the various modules were linked/tied up together during the development of this edition (or any other garuda edition for that matter) ?

Thank you

as an aside, I've been using lxqt for a good few months and the scaling is "selective" as previously mentioned, so in the end i found its either a case of chasing down font sizes in kwin and other such things (firefox did give an issue i seem to remember too), so in the end I just dropped the resolution a little bit (14 inch, FHD originally), and personally i don't notice any difference in clarity (but that might be my slowly ageing eyes!).

Everything that Garuda develops is Open Source.
Take a look at Garuda GitLab.


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