Re: Bug? (was vimscripting problem w/tabs and expanding width w/numbering option)

Christian Brabandt wrote:
> I haven't followed closely. Can you please provide a clear example that
> exhibits the wrong behaviour when starting from gvim -u myfile -N
> and also explain what you expect and what you see instead?
> Best,
> Christian
In "myvimrc" add:

func! SetNumberAndWidth()
set number
if (! exists("g:added_numwth")) | let g:added_numwth=0 | endif
if (g:added_numwth < &numberwidth)
let g:added_numwth = &numberwidth
let &columns = 2 + g:added_numwth + &columns
endif
endf
if !exists("g:autocommands_loaded")
let g:autocommands_loaded =1
au BufReadPost * let ln = line("'\"") | if
search("vim=:SetNumberAndWidth",'n') | call SetNumberAndWidth() | endif
endif
-----------------------
Then create 2 files (this is in bash script):

for f in xxx.{cc,h};do
printf "%s\n\n\n\n\n\n\n\n\n\n" "// gvim=:SetNumberAndWidth"
>"$f"
done


Then run:

gvim -u myvimrc -p xxx.cc xxx.h
(the -N doesn't seem necessary.).

Then enter:
:echo winwidth(0)

Notice it is '86' (well that's what I see).
click on the 2nd tab and type it again.

Notice the 2nd tab has vertical bars on the right
and is only 80 columns wide.

quit vim.
Start again, this time, move the right border of the editor 1
column right or left, then echo the sizes again for both tabs
-- you will note they are the **same width** in the 'manual
resize case'.

I.e. if one sets the columns via the GUI by physically
dragging the side the current tab and background tabs are
set to the same width.

If, however, you set the columns in your .gvimrc -- it only resets
the width of the 1st tab. In the manual resize case, columns stay
in sync, but if you try the same thing via a script, it doesn't work.

That's why I am thinking it is a bug -- because if you
change the physical width of the graphical window -- it should
resize the 'winwidth' of all the tabs, just the same as it
does when you resize it manually.


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