[systemsettings] [Bug 405572] New: font dpi not saved/loaded correctly

[bugzilla_noreply at kde.org]

https://bugs.kde.org/show_bug.cgi?id=405572

            Bug ID: 405572
           Summary: font dpi not saved/loaded correctly
           Product: systemsettings
           Version: 5.15.3
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: kcm_fonts
          Assignee: unassigned-bugs at kde.org
          Reporter: tusooa at vista.aero
                CC: unassigned-bugs at kde.org
  Target Milestone: ---

Created attachment 118866
  --> https://bugs.kde.org/attachment.cgi?id=118866&action=edit
low-dpi systemsettings

SUMMARY
Tested on Surface Pro 4. Use systemsettings to set both screen scaling and font
DPI. Re-login and DPI is right for Plasma and applications restored from the
saved session. Newly started applications are with tiny font. Go to
systemsettings again to re-enforce the settings and new apps work right, just
for this session though.

STEPS TO REPRODUCE
0. Login from SDDM.
1. System Settings -> Display and Monitor -> Displays -> Scale Display -> Set
scale to `2` -> Apply
2. System Settings -> Fonts -> Fonts -> enable Force Fonts DPI -> set to `192`
-> Apply
3. System Settings -> Startup and Shutdown -> Desktop Session -> On Login ->
choose `Restore previous session`.
4. Close System Settings. Start a Konsole.
5. K-Menu -> Leave -> Logout
6. Re-login from SDDM.
7. Start another Konsole.
8. System Settings -> Fonts -> Disable `Force Fonts DPI` -> Apply -> Enable
`Force Fonts DPI` -> set to `192` -> Apply
9. Restart System Settings.

OBSERVED RESULT
4. The Konsole starts with 192 DPI.
6. Plasma starts with 192 DPI. The Konsole, restored from the last session,
starts with 192 DPI. However, when the cursor moves onto the window decorations
(kwin), the cursor gets smaller than normal. The font size is right though.
7. The newly-started Konsole has tiny font.
8. The System Settings has tiny font.
9. System Settings starts with 192 DPI.

EXPECTED RESULT
All applications should start with 192 DPI, including kwin.


SOFTWARE/OS VERSIONS
Windows: N/A
MacOS: N/A
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 5.15.3
KDE Frameworks Version: 5.54.0
Qt Version: 5.11.1 (built against 5.11.1)

ADDITIONAL INFORMATION

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