[Konsole-devel] [Bug 41744] konsole Shows some Japanese FULLWIDTH chars as HALFWIDTH

[Ken Deeter]

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http://bugs.kde.org/show_bug.cgi?id=41744     




------- Additional Comments From ktdeeter at alumni.princeton.edu  2003-07-31 00:00 -------
Ideally, you would want to determine whether to use cjk mode by somehow 
seeing if the foreground process within the terminal is running in one of the cjk 
locales. (not sure if this is possible) 
 
Doing it simply by the locale in which konsole is running in might not be the 
best solution. What if you want to run something in a non-cjk locale temporarily, 
like by doing 
 
$ LANG="C" some-command 
 
If this command happens to expect that characters get displayed a different 
way, then the problem would still occur, only in reverse. 
 
It seems like a simple switch in one of the menu's that just turns cjk mode on 
and off would be the most flexible way, given that we don't have a mechanism 
for determining what the foreground process' locale is. This way, I would guess 
80% of the affected users would only need to set the setting once, and those 
who run things in different locales from time to time could flip it on and off as 
needed (perhaps even with a keymap). 
 
My question is however, just because we treat the right characters as FULL 
WIDTH, does this mean they will get rendered properly? Doesn't it depend on 
the conversion from the 8-bit locale to unicode that determines which 
characters get rendered by which glyph in the font? 
 
in other words, if we just switch the konsole_wcwidth() call to the cjk version, 
we will still be using the same glyph, but just be giving twice as much space to 
it, which to me doesn't seem like the right solution.