[dolphin] [Bug 428950] Dolphin's Search does not respect wildcards and ignores period symbol

[SigHunter]

https://bugs.kde.org/show_bug.cgi?id=428950

SigHunter <sighunter at gmx.de> changed:

           What    |Removed                     |Added
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                 CC|                            |sighunter at gmx.de

--- Comment #3 from SigHunter <sighunter at gmx.de> ---
I stumbled upon this behavior yesterday and IMO it is very confusing to users
and took me some time to analyze:

In short:
baloo enabled (default):
basic wildcard search (like *.jpg for all jpg files) works ONLY for indexed
folders but wildcards don't work for non indexed folders and network shares
mounted via dolphin

baloo disabled:
basic wildcards never work (*.jpg no results)


The documentation
https://docs.kde.org/stable5/en/dolphin/dolphin/quick-tips.html specificially
states that wildcards should yield the same results as without wildcards
"The search is case insensitive, and does not require surrounding wildcards
(*foo* and foo are equivalent), but you can use wildcards inside the search
term. * will match zero or more characters, ? only one single character."


Expected fix: 
the search provider for everything that is not baloo indexed (I guess this is
kio_filenamesearch) should support wildcards, like searching in baloo indexed
folders does. the search syntax should be identical. having different search
results depending on search location is confusing and feels unreliable. I want
to be able to trust the file search. 

Sure, using regex could be a workaround for advanced users, but is only
necessary for those non-indexed folders or when baloo is disabled. you have to
specifically know this behavior and regex is not user friendly, a basic *.jpg
search should always work, like it does in mlocate or windows


Dolphin 23.04.01 and KDE 5.27.5 on Gentoo

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