https://bugs.kde.org/show_bug.cgi?id=460463

            Bug ID: 460463
           Summary: Scroll position in Faces view keeps jumping back &
                    forth during face recognition/detection
    Classification: Applications
           Product: digikam
           Version: 7.9.0
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: Faces-Workflow
          Assignee: digikam-bugs-n...@kde.org
          Reporter: jens-bugs.kde....@spamfreemail.de
  Target Milestone: ---

SUMMARY: see $SUBJECT

STEPS TO REPRODUCE
1. Detect and recognize a number of faces so Digikam can make suggestions.
2. Start recognition of a number of new photos with a certain person on them
(it should keep Digikam busy for ~1min at least to see the issue) 
3. Open the Face view of a person. There should be sufficient faces to make
Digikam create a scrollbar for the view, ie. at least 100 or so.
3. Start correcting & reorganizing photos in this face view

OBSERVED RESULT
When a face is detected and Digikam suggests to put it in the currently opened
Face view, the scroll position jumps to the top of the view where the suggested
face is added, and then back. Sometimes, it does not jump back, or jumps to a
completely different position. Also, during detection, selecting faces for
reorganization is hard because the input focus keeps flickering.

EXPECTED RESULT
Detecting and/or recognizing faces should not change the foreground view,
should not cause flickering of input fields. It should be possible to have a
detection job in the background and *simultaneously* reorganize & correct
existing faces. Except for the progress bar at the bottom of the screen and the
CPU load, face detection and recognition should not be noticeable at all.

SOFTWARE/OS VERSIONS: KDE Neon 20.04 with Digikam-7.9 appimage with debug
enabled from 2022-10-12.

Possible duplicate of #402322.

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