[Lazarus] LazeReport and Column Header

[jpnuage at free.fr]

Mattias Gaertner schreef:
> On Fri, 25 Sep 2009 23:53:16 +0100
> Martin <lazarus at mfriebe.de> wrote:
> 
>> Maxim Ganetsky wrote:
>>> One more candidate:
>>>
>>> 4) http://bugs.freepascal.org/view.php?id=12344 (Renaming a
>>> component will change the editor line number)
>>>    This issue is not major but rather annoying.
>>>
>> There are pro and contra to this one:
>>
>> - pro: one issue less
>> - pro: TextBetweenPoints will not be released, and changed to a
>> slightly changed implementation in the next release
>>
>> - contra: the fix affects everything that uses "OnCodeBufferChanged" 
>> (plus possible anything I have overlooked, even though I don't think
>> I did) OnCodeBufferChanged is used for *any* change that is
>> originated by codetools (except for identifier completion).
>> This includes the renaming, and insertions of components. Also the 
>> insertions of units into uses. For those three it is correct not to
>> move the caret (or keep it in the text).
>> I don't know if there are any other changes originating through 
>> OnCodeBufferChanged, and if any of them need the caret to move
>> (havent found any yet) => if there are, they are broken now.
>>
>> If Mattias can confirm that OnCodeBufferChanged can always and safely 
>> keep the caret where it is, then maybe ok, but otherwise....
>> (Codetooljumps, such as jump to error location are done elsewhere and 
>> not affected)
> 
> Yes. 
> That means if a line is inserted and the caret is behind then the caret
> is moved accordingly. The caret should never move to the insert
> position.
> Some codetools functions make suggestions for new Caret, but it is up to
> the calling function to apply it.
> 

So, I merged it.

Vincent