| Caret updates incorrectly [message #54042] |
Thu, 29 May 2003 11:30 |
Eclipse User |
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Originally posted by: tim.duckdogmedia.com
I've been working on a plug-in for some time now, and I'm almost finished,
but I'm running into one quirky situation with the editor that I'm
creating. The problem is that when I replace text within the editor and
the text that I'm replacing exists on a line different than where the
caret resides, the caret shifts it's position if the replacement text
differs in length from the original text. In my editor I have certain
"headers" to delineate sections of text; i.e.
~~~A Testing Section~~~
test something
~~~An Adding Section~~~
add something
~~~A Delete Section~~~
delete something
...so in my case if I type something in one of the sections that doesn't
fit in that section, let's say I change the add to a delete in the Adding
Section, i.e.
~~~A Testing Section~~~
test something
~~~An Adding Section~~~
delete something
~~~A Delete Section~~~
delete something
...then I need to change the header for the Adding Section; i.e.
~~~A Testing Section~~~
test something
~~~A Delete Section~~~
delete something
~~~A Delete Section~~~
delete something
...all of that works except when I detect the change my caret would be
right after the word delete before I modified the header; i.e.
~~~A Testing Section~~~
test something
~~~An Adding Section~~~
delete<--Caret is right there! something
~~~A Delete Section~~~
delete something
...as soon as I change the header the caret winds up shifting over the
number of characters different in the new header than in the old; i.e.
~~~A Testing Section~~~
test something
~~~A Delete Section~~~
delete <--Caret is now here! something
~~~A Delete Section~~~
delete something
...if the new header has fewer characters then the caret shifts over to
the right, if more character shifts to the left.
Does anyone know how I can prevent this from happening?
Thanks,
Tim
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