Re: behavior of mouseclick positioning cursor with concealed chars

Christian Brabandt wrote:

> On Di, 14 Jun 2011, hsitz wrote:
>
> > On Jun 14, 7:35 pm, Bram Moolenaar <B...@Moolenaar.net> wrote:
> > > That's a bug.
> >
> > Thanks for confirming. I will move to vim-dev. Here are some steps
> > to reproduce it.
> >
> > 1. Create a document with this line of text:
> > This is text. [abcd] The text in brackets is concealed.
> >
> > 2. :syn match MyHiddenText conceal '\[.\{-1,}]'
> >
> > 3. :set conceallevel=3
> >
> > 4. :set concealcursor=nc
> >
> > The brackets and text inside should now be invisible. Click with the
> > mouse on the 'b' in 'brackets' and the cursor appears on the line 6
> > chars to the left of where you click. The problem happens with both
> > 'conceal' areas and 'concealends' areas.
>
> Attached patch fixes it.

I had a look at the patch now. It will only fix it for a very limited
number of situations. Not for the help files, which have 'cole' set to
2. I also suspect it's wrong for when there are double-width
characters.

I think this is the wrong place to compensate for conealed characters.
I should probably be in places where RET_WIN_BUF_CHARTABSIZE() is used.
Then it will also fix the problem that "k" and "j" don't stick to the
visual column.

--
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/// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
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