Re: Hidden buffers

On 08:18 Sun 07 Apr , Marcin Szamotulski wrote:
> On 19:23 Sat 06 Apr , tooth pik wrote:
> > On Sat, Apr 06, 2013 at 10:48:37PM +0300, LCD 47 wrote:
> > > Given a buffer number, is it possible to find out (in Vimscript)
> > > whether the corresponding buffer is hidden or not?
> >
> > you can change to said buffer with the buffer command
> >
> > :buffer <bufno>
> >
> > then you can test &bufhidden for a null value or any of its other
> > possibilities (anything other than null will mean it's hidden)
> >
> > if &bufhidden == ""
> > do unhidden stuff
> > else
> > do hidden stuff
> > endif
> >
> > this help at all?
> >
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>
> You can also get the value with
>
> let bufhidden = getbufvar(bufnr, '&bufhidden')
>
> See
> :help getbufvar
> :help :let-&
>
> Best,
> Marcin

Actually this also will not work since bufhidden is not reset for hidden
buffers - it works in a different way, it rather instructs vim what to
do with buffers which become hidden.

The solution might be a loop over tabpages and checking if a buffer is
associated with one of them. The following function will test if bufnr
is associated with one of tabpages:

fun! BufInTab(bufnr)
for tabnr in range(1,tabpaggenr('$'))
if index(tabpagebuflist(tabnr), a:bufnr) != -1
return 1
endfi
endfor
return 0
endfun

If you just want to test if the buffer is not shown just in the current
tab page you can use winbufnr(), it return -1 if the buffer has not
associated window.

Best,
Marcin

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