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  1. Qt Installer Framework
  2. QTIFW-2402

Wrong font scaling on triple monitor setup

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    Details

    • Type: Bug
    • Status: Reported
    • Priority: Not Evaluated
    • Resolution: Unresolved
    • Affects Version/s: 4.1.1
    • Fix Version/s: None
    • Component/s: General
    • Environment:
      X11 on Kubuntu 21.04 and Plasma 5.21.4.

      Description

       I am running X11 on Kubuntu 21.04 and Plasma 5.21.4. When i run the "qt-unified-linux-x64-4.1.1-online.run" which is the current installer from qt.io the Installer looks like this:
      Which has a way too small Font for me to read it. The cmd: "xrdb -query | grep Xft" returns this:

      Xft.antialias: 1 
      Xft.hinting: 1 
      Xft.hintstyle: 
      hintslight Xft.rgba: rgb

      which to me indicates that the dpi setting does not appear to be set, and that it might be confusing either the X11 server or Qt. So i ran "xdpyinfo | grep resolution" and "xdpyinfo | grep resolution" which returned:

       resolution: 30x30 dots per inch
       dimensions: 5760x1200 pixels (4877x1016 millimeters)

      which i'm not sure if it is correct since i don't know what should be put there but i run a triple monitor setup like this:

       

      and 3*1920 matches 5760. I also checked:

      and tried to run these export commands before running the installer:

       export QT_AUTO_SCREEN_SCALE_FACTOR 0/1/true/false #of course only one option at a time

      which seems to change nothing and
       

      export QT_SCALE_FACTOR 0.5/1/2

      which seems to make the Window size bigger and text somewhat readable but is still very small and hard to read.

       

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            Assignee:
            installerteam Installer Team
            Reporter:
            detzi Ma De
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              Dates

              Created:
              Updated:

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