Christian Brabandt wrote:
> On Do, 29 Aug 2019, Christian Brabandt wrote:
>
> >
> > On Di, 27 Aug 2019, Gary Johnson wrote:
> >
> > > On 2019-08-28, Christian Brabandt wrote:
> > > > On Di, 27 Aug 2019, Gary Johnson wrote:
> > > >
> > > > > I just tried exposing the search count message by removing 'S' from
> > > > > 'shortmess', but I couldn't see it. I discovered that it is hidden,
> > > > > erased and/or not updated by a couple of my mappings.
> > > > >
> > > > > nnoremap <silent> n nzv:call AdjCursor()<CR>
> > > > > nnoremap <silent> N Nzv:call AdjCursor()<CR>
> > > > >
> > > > > Here is a simple experiment that demonstrates the problem. Create
> > > > > a file, test.vim, that contains the following.
> > > > >
> > > > > set shortmess-=S
> > > > > nnoremap <silent> n n
> > > > > help map.txt
> > > > >
> > > > > Open a standard-sized, 80x24 terminal, and in it run
> > > > >
> > > > > $ vim -N -u NONE -i NONE -S test.vim
> > > > >
> > > > > Then search for "command":
> > > > >
> > > > > /command
> > > > >
> > > > > After hitting Enter, the cursor will be at the start of "commands"
> > > > > on line 7 and the command line will contain this:
> > > > >
> > > > > /command [1/>99]
> > > > >
> > > > > After hitting 'n', the cursor advances to line 13 and the command
> > > > > line stays the same, even showing "[1/>99]" when it should be
> > > > > showing "[2/>99]".
> > > > >
> > > > > Another 'n' advances the cursor to line 17, the screen scrolls
> > > > > up so that that line is at the bottom of the window, and the command
> > > > > line is empty--no search count message at all.
> > > > >
> > > > > I would think that <silent> would prevent the mapping from
> > > > > disturbing the command line, in which case this is a bug.
> > > > >
> > > > > If it's not a bug, then is there some way of defining a mapping that
> > > > > does not interfere with the search count message, or some way of
> > > > > restoring that message at the end of a mapping?
> > > >
> > > > Is that with patch 8.1.1288 included?
> > >
> > > Sorry, I forgot to include the version information. Yes, I used the
> > > latest version, 8.1.1933.
> >
> > Hm, I need to investigate.
>
> I see what is happening. A mapping with the `<silent>` flag will set the
> internal variable cmd_silent to prevent it from being output the command
> line. So what your mapping does is it acts like 'n' without outputting
> anything on the command line.
>
> But this is not what you want. You want the default behaviour of n,
> which does output the command to search + the new search index feature.
>
> (See the difference on the commandline between a plain `n` and a n
> mapped with `nnoremap <silent> n n`).
>
> So the obvious fix would be to remove the `<silent>` command. While this
> fixes your minimal test case, it most likely is no fix for your actual
> issue, that calling the AdjCursor() function will be output in the
> command line in addition (possibly overwriting the command line).
>
> What might work (depending on the complexity of your AdjCursor()
> function) is to use an expression mapping that simply returns 'n' after
> having done whatever action it needs to be doing. However, this might be
> a bit difficult since you want this to happen after the cursor has been
> placed.
>
> Another alternative might be a mapping like this:
>
> nmap n nzv
> nnoremap <silent> zv zv:call AdjCursor()<cr>
The <silent> argument means that the command won't be echoed. But it
does not suppress the output of the command like the ":silent" modifier
does.
How about removing the check for cmd_silent in search.c, where
search_stat() is called?
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