[Uim-bugs] [Bug 26265] New: Slowness using uim in QT applications

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=26265

           Summary: Slowness using uim in QT applications
           Product: UIM
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: libuim
        AssignedTo: uim-bugs at freedesktop.org
        ReportedBy: haraldhv at stud.ntnu.no


Created an attachment (id=32842)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=32842)
Callgrind output

When typing in QT-applications, there is something slowing the typing down
significantly, and the characters appearing is kind of split into 500-ms
intervals. This does not happen when using uim in gtk-applications, so I think
it might be a qt-only bug.
It happens with both anthy and hangul input methods that I tested. 

I recorded the performance of inputting a series of characters in a textfield
with cachegrind, and the raw file (gzipped) is attached.

Also attached a screenshot from the callgrind file opened in kcachegrind,
showing 82% of the time spent in uim_press_key. Perhaps someone can spot the
problem easily from this?


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