Bug 81720

Michael Stahl mst at libreoffice.org
Tue Aug 23 11:16:58 UTC 2022

On 23.08.22 13:12, Michael Stahl wrote:
> On 19.08.22 15:41, Phillips Rogfield wrote:
>> Dear developers,
>> I would like to fix bug 81720 
>> <https://bugs.documentfoundation.org/show_bug.cgi?id=81720#c22>.
>> Basically when you insert a ReferenceMark, if you put the cursor at 
>> the edge of it (start or end), and type something, it will expand on 
>> the reference mark instead of writing it as a “normal text”.
>> You can find how to reproduce it in comment 22 
>> <https://bugs.documentfoundation.org/show_bug.cgi?id=81720#c22>.
>> I have set up my environment, but I’m not sure where is the code that 
>> “checks” if something is a ReferenceMark, if anything.
>> Can you point me in the right direction, please?
> so firstly, while cross references are fields, the reference marks are 
> not fields in Writer.
> there are 2 different kinds of reference mark, both represented by a 
> one has a dummy character in the text, CH_TXTATR_INWORD, and behaves 
> similar to a field - it does not have an end position, so it cannot mark 
> text, it only contains its dummy character.
> the other has a start and end position, but no dummy character - this is 
> the one you're concerned about.
> these SwTextAttr all exist in a SwpHints array that is a member 
> SwTextNode::m_pSwpHints, sorted in multiple different ways.
> when editing the text, the hints start and end positions are adjusted in 
>   SwTextNode::Update() and its base class SwContentIndexReg::Update() - 
> it's rather complex code but i think you need to tweak these functions 
> to fix the problem.

forgot one thing: bookmark positions already work in the way that you 
want reference marks to work, text is always inserted outside the 
bookmark - maybe you could find out how that is implemented in the 
Update functions.

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