[haskeline] #81: haskeline assumes all characters have width = 1

[haskeline]

#81: haskeline assumes all characters have width = 1
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Reporter:  guest   |        Owner:          
    Type:  defect  |       Status:  reopened
Priority:  major   |    Milestone:  0.6.*   
 Version:  0.6     |   Resolution:          
Keywords:          |  
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Comment (by soiamso):

 Replying to [comment:12 judah]:
 > Thanks for your help.  I have not gotten CJK working in my console, but
 I may be able to get access to another machine that has it set up.
 >
 > In the meantime, I pushed a patch to the repository; would you be able
 to test it on your machine?  You can get the development version with
 darcs (http://darcs.net) using:
 >
 > {{{darcs get http://code.haskell.org/haskeline}}}
 >
 > Then {{{cd}}} into that directory and type {{{cabal install --user}}} to
 install it.  Once it's installed, try building and running the program in
 {{{examples/Test.hs}}}.  Let me know if you have problems getting those
 steps to work.

 I test the patch *Attempt to fix #81 on Windows path

 left and delete navigate is all right in one line case.

 Some Problem:

 1st:Right arrow Key fail
 Cause exception even under just ASCII string
 error as:
 SetConsoleCursorPosition argument Invalid


 2nd:multiline problem(may be this is not the major problem
 and no line end trace in the patch):
 if have multiline ASCII char, counting wrong
 0:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
 many "a" let cross one line
 0:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  ^
 many "left" the blink-blink will in ":"
 If cross two line(total 3 line) will in "0"


 if at the end of the line have CJK char, counting wrong
 like:
 0:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa输入法
 many "a" let the CJK just cross the line and let the fist line left one
 "cell" blank, many "left arrow key" the blink-blink will in ":"
 0:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa输入法
  ^
 a wrong position.

-- 
Ticket URL: <http://trac.haskell.org/haskeline/ticket/81#comment:13>
haskeline <http://example.org/>
My example project