[dolphin] [Bug 480596] New: Dolphin - Problem with old and heavy .doc files

[Fabian Esposito]

https://bugs.kde.org/show_bug.cgi?id=480596

            Bug ID: 480596
           Summary: Dolphin - Problem with old and heavy .doc files
    Classification: Applications
           Product: dolphin
           Version: 23.08.4
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Severity: minor
          Priority: NOR
         Component: view-engine: tooltip
          Assignee: dolphin-bugs-null at kde.org
          Reporter: fabian.esposito at outlook.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

Created attachment 165392
  --> https://bugs.kde.org/attachment.cgi?id=165392&action=edit
doc file I was able to find, supposedly not copyrighted, that presents such
problem with dolphin.

# SUMMARY

Dolphin hangs and becomes unresponsive for tens of second when having to show
informations (Either panel or tooltip) of old and heavy .doc files (Although I
have encountered the problem with file less than 1mb in size) as well when
opening the propriety tab of the same .doc files. I don't have the calligra's
word thumbnailer enabled.
I'm able to click and select the files when I have both the tooltip and the
information panel disabled without having Dolphin become unresponsive, although
if I then open the propriety tab, it hangs again.  

# STEPS TO REPRODUCE
1. Click or navigate to one of these old .doc files using Dolphin (if tooltip
or information panel are enabled is enough) 
2. Open the propriety tab of the same file (if tooltip and information panel
are disabled)

# OBSERVED RESULT
Dolphin hangs and becomes unresponsive for tens of second, the time seems
slightly related to the size of the file.

# EXPECTED RESULT
As with the other .doc file or newer .docx , selecting the file and showing the
information (either via thumbnail or panel information) should be seamless.

# SOFTWARE/OS VERSIONS
Linux:  Fedora 39
KDE Plasma Version: 5.27.10
KDE Frameworks Version: 5.113.0
Qt Version: 5.15.12

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