[dolphin] [Bug 485548] New: Visual glitch on pdf extension for some very long names in Dolphin

[Dilam]

https://bugs.kde.org/show_bug.cgi?id=485548

            Bug ID: 485548
           Summary: Visual glitch on pdf extension for some very long
                    names in Dolphin
    Classification: Applications
           Product: dolphin
           Version: 24.02.2
          Platform: Neon
                OS: Linux
            Status: REPORTED
          Severity: minor
          Priority: NOR
         Component: panels: folders
          Assignee: dolphin-bugs-null at kde.org
          Reporter: pasdabonnements at gmail.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

SUMMARY
In dolphin, in icon view (the grid view), when there are very long files names
with a pdf extension some of the extensions appears in a fourth line (normally
it's at the end of the third line). Those extension produce visual glitches :
they does not allow to select the file, they disappear when the file is
selected, and (more importantly) they left pieces of text behind when scrolling
(this is less visible if there is a file just under the file but extremely
visible if there is empty space under the file).

This bug does not appear for all names, and I have never seen it for other
extension than pdf. If I change ".pdf" by ".pfd" the bug does not appear, which
means that it is not only a question of name spacing. I don't think that the
bug is dependent on files extension which has icon preview because I tried with
some other extensions than pdf (like png) and haven seen the bug (with correct
and incorrect extension).


STEPS TO REPRODUCE
1. Open in dolphin a folder with enough files to get multiples lines to scroll
in.
2. The last line should be incomplete.
3. Rename one of the file above the empty space in the second-to-last line,
with a too long name (more than 3 lines) and ending in .pdf . The bug will
appear even if the file is not really a pdf. It doesn't appear with all names,
only for some of them like "Measuring the quality of web content using
factual.pdf".
4. If you see the extension is in a fourth line of the name, congratulation you
will see the bug.
5. Scroll up and down and watch for visual glitches. A click will reset the
visual position of the extension.


OBSERVED RESULT
Visual glitches with the extension.


EXPECTED RESULT
All pdf extension should be in the third line like every other extensions. And
there should be no visual glitches.


SOFTWARE/OS VERSIONS
Dophin version: 24.02.2
Operating System: KDE neon 6.0
KDE Plasma Version: 6.0.3
KDE Frameworks Version: 6.0.0
Qt Version: 6.7.0
Kernel Version: 6.5.0-27-generic (64-bit)
Graphics Platform: Wayland

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