[kmail2] [Bug 343759] New: Search of mails is triggered for >= than 3 letters, should be less

[Sylvain]

https://bugs.kde.org/show_bug.cgi?id=343759

            Bug ID: 343759
           Summary: Search of mails is triggered for >= than 3 letters,
                    should be less
           Product: kmail2
           Version: 4.14.4
          Platform: Archlinux Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: search
          Assignee: kdepim-bugs at kde.org
          Reporter: ago.sylvain at gmail.com
                CC: me at vhanda.in

When one search in the search bar, the search is only started if more or equal
than 3 "characters" are entered. While this seems reasonnable in English and
other western language, it is not convenient for japanese and perhaps other
CJK. In Japanese, for example, name are often of length 2 (2 characters) and
therefore it makes search by name not possible.


Reproducible: Always

Steps to Reproduce:
1.Search for a word (in japanese or else) with a length <3
2.The search does not start
3.Pressing enter does not work too

Actual Results:  
The search does not start

Expected Results:  
The search is automatically triggered or can be forced start by pressing enter
or a search button (not available).

Perhaps a good way would be to check for the length in bytes and not character
as the problem should mainly concern complex language where each character is 2
bytes. I don't know if it possible or not, just an idea.
I remember that Eike Hein blogged about improving KDE support for CJK, but I
don't know how to cc him.

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