[dolphin] [Bug 508609] New: In dolphin's folders, top and bottom arrow navigation jumps to wrong places

[Dimitri]

https://bugs.kde.org/show_bug.cgi?id=508609

            Bug ID: 508609
           Summary: In dolphin's folders, top and bottom arrow navigation
                    jumps to wrong places
    Classification: Applications
           Product: dolphin
      Version First 25.08.0
       Reported In:
          Platform: Neon
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: view-engine: icons mode
          Assignee: dolphin-bugs-null at kde.org
          Reporter: dimitri.code at proton.me
                CC: kfm-devel at kde.org
  Target Milestone: ---

Created attachment 184355
  --> https://bugs.kde.org/attachment.cgi?id=184355&action=edit
Video showing the top bottom arrow navigation fail

SUMMARY
In the new version of Dolphin (selection style has changed), navigation with
top and bottom arrow doesn't work as expected anymore when we switch from mouse
to keyboard, it often jumps to wrong places. Contrary to left right arrow that
still works as expected.


STEPS TO REPRODUCE
1. Open a dolphin folder that has multiple lines of content.
2. Using arrow keys, move top/bottom
3. Select an other place (not same column) with the cursor
4. Move again top or bottom with arrow keys

OBSERVED RESULT
The place where moving goes is not the one above or below the selected place,
it instead goes at the wrong column (the one from a previous selection that
have since been replaced) but still goes at the expected height/line (the line
above or below the new selected line).

EXPECTED RESULT
Moving should completely be relative to the last selected position (line and
column, using top/bottom or left/right) even when switching from mouse to
keyboard.
Left/Right is working as expected, Top/Bottom should work the same way.

SOFTWARE/OS VERSIONS
Dolphin v25.08.0
Operating System: KDE neon User Edition
KDE Plasma Version: 6.4.4
KDE Frameworks Version: 6.17.0
Qt Version: 6.9.1
Kernel Version: 6.14.0-28-generic (64-bit)
Graphics Platform: Wayland

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