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Incorrect position of chars in DocEdit ctrl. [message #23845]

Thu, 26 November 2009 10:29

tojocky
Messages: 607
Registered: April 2008
Location: UK

Contributor

Hello Mirek,

I found a little bug(maybe) of incorrect positioning of chars if I use Unicode format.

Here is a screenshot:
index.php?t=getfile&id=2008&private=0

An after when I left click mouse on problem zone then char are repositioning. But the end of text do not show
here is a another screenshot:
index.php?t=getfile&id=2009&private=0

OS: windows xp sp3
svn version: the latest (1723)

With respect, John.

P.S. I attached the example here (full address: http://www.ultimatepp.org/forum/index.php?t=msg&goto=238 47&#msg_23847 )

Attachment: wrong_possition_chars.bmp
(Size: 841.05KB, Downloaded 622 times)
Attachment: correct_possition_chars.bmp
(Size: 21.82KB, Downloaded 651 times)

[Updated on: Thu, 26 November 2009 10:50]

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Re: Incorrect position of chars in DocEdit ctrl. [message #23886 is a reply to message #23845]

Tue, 01 December 2009 08:31

mirek
Messages: 14256
Registered: November 2005

Ultimate Member

The output does not seem like screenshots, I am getting something like:

{"sentences":[{"trans":"???????? ????? ????? ??? ????????","orig":"write here text to translate","translit":"Napishite zdes' tekst dlya perevoda"}],"src":"en"}

EDIT: Never mind, found that option, reproduced the bug, working on it...

[Updated on: Tue, 01 December 2009 09:13]

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Re: Incorrect position of chars in DocEdit ctrl. [message #23887 is a reply to message #23886]

Tue, 01 December 2009 09:46

mirek
Messages: 14256
Registered: November 2005

Ultimate Member

Well, the problem is caused by 0x2b9 character - that is not supposed to be displayed alone.

It is "Spacing modifier letter":

http://en.wikipedia.org/wiki/Unicode_Phonetic_Symbols

It looks like Win32 has problems combining these letters, at least when character spacing is used in DrawText (which is what DocEdit does).

I am not quite sure what to do with the problem...

Should this be handled by DrawText? It looks like if I omit spacing info (dx parameter), Win32 draws these characters quite OK....

Mirek

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