[PyQt] Display of Japanese Characters on Mac

[Hans-Peter Jansen]

On Thursday 16 December 2010, 15:25:58 Ullrich Martini wrote:
> Hello,
>
> I cannot enter or view japanese characters on a Mac Running Snow
> Leopard with PyQt 4.8.1.
>
> Steps to reproduce the problem:

-1) Install Qt (version?)

> 0) I Installed python 2.7 from python.org and other prerequisites,
> like sip 1) Download PyQt 4.8.1
> 2) Run python configure.py install
> 3) Switch the Mac to hiragana input using the MacOS system widget
> 4) cd to PyQt-mac-gpl-4.8.1/examples/widgets
> 5) Run python lineedits.py
> 6) Try to write japanese text.
>
> Vowels do not appear at all. Consonants appear initially underlined,
> but disappear again when the following vowel is entered and the
> japanese input system tries to display the resulting japanese
> syllable.
>
> The context is that I am trying to port a vocabulary trainer based on
> python and PyQt to the Mac. This program allows to enter words in
> non-latin fonts, like japanese. This doesn't work. The symptomes are
> exactly the same as with lineedit.py.
>
> I assume this is a display issue, because japanese cards that have
> been entered before (using an earlier version of the program) are not
> displayed also, but if I look at the database directly the japanese
> words are displayed correctly.
>
> I described the issue with japanese hiragana. Displaying japanese
> kanjii does not work either, but the steps neccessary for reproducing
> this variant of the issue are much more complicated because entering
> kanjii characters directly is next to impossible because of the
> hiragana issue.
>
> Is this a known limitation? What would I have to do to allow japanese
> (and non-latin in general, I assume) input and display?

First try to determine, if this is a Qt or PyQt issue. 

Fortunately almost all examples are available as a C++ variant (in the 
Qt development version). 

Pete