[dolphin] [Bug 445292] New: Dolphin does not display newline character in file names

[Yann Salmon]

https://bugs.kde.org/show_bug.cgi?id=445292

            Bug ID: 445292
           Summary: Dolphin does not display newline character in file
                    names
           Product: dolphin
           Version: 19.12.3
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: view-engine: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: contact at yannsalmon.fr
                CC: kfm-devel at kde.org
  Target Milestone: ---

SUMMARY
When a file name contains special characters (ie. newline), they are not
visible in the displayed name.

STEPS TO REPRODUCE
Using Python to avoid any bizarre things with how shells interpret special
characters in the input :
1. os.chdir("/tmp")
2. open("test\ntest", "w")
3. open("testtest", "w")
4. open("test\rtest", "w")
5. Show /tmp in dolphin

OBSERVED RESULT
Three files that appear as testtest ; only by using the renaming tool does the
newline appear (but the \n and \r remain indistinguishable).

EXPECTED RESULT
Some visual clue that the filename contains a newline character.

SOFTWARE/OS VERSIONS
KDE Plasma Version: 5.18.5
KDE Frameworks Version: 5.68.0
Qt Version: 5.12.8

ADDITIONAL INFORMATION
This might be used to craft a file mimicking another file.

Inserting a tabulation gives a clue (the tabulation is displayed).
Inserting other special characters (eg. ASCII 1 or 2) gives a small black box
with the character mnemonic.

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