On 2012-03-01, howardb21 wrote:
> On Mar 1, 7:05 pm, Gary Johnson <[email protected]> wrote:
> > On 2012-03-01, howardb21 wrote:
>
> > Vim can display the matches in a simplistic popup menu.
> >
> > The menu is used when:
> > - The 'completeopt' option contains "menu" or "menuone".
> > - The terminal supports at least 8 colors.
> > - There are at least two matches. One if "menuone" is used.
> >
> > We know that the first and third conditions are satisfied. Are you
> > using a monochromatic terminal? What does
> >
> > :set t_Co?
>
> Yes, I know about that. I set completeopt=menu,menuone
> Intereestingly t_Co? gives an empty value, although my samsung monitor
> has plenty of colors.
That's the problem then. With t_Co empty, Vim thinks that your
terminal doesn't support colors and therefore doesn't display that
menu.
> Something I omitted: Vim runs the menus fine on
> my local computer. I was asking about vim that resides on a university
> computer running redhat linux, that I secure telnet into. There - no
> menu. However, the spell check when I :set spell does give a numbered
> menu, which appears to happen by vim cleaing the current screen and
> replacing it with the menu of spelling suggestions.
>
> The telnet session tells redhat to use vt100 emulation. I had trouble
> with vim's screen behaviour under emulations like vt102 vt360, ansi,
> linux etc.
You should set TERM on the remote computer to match the capabilities
of the terminal you are using on the local computer. These days,
setting TERM=xterm usually works pretty well. Some systems'
terminfo databases think that xterm doesn't support colors. I don't
think any Red Hat system should have that problem. If setting
TERM=xterm still gives you nothing for t_Co, you can either search
/usr/share/terminfo/x/ for a file named something like xterm-color
and set TERM to that name, or you can set t_Co=8 or to whatever
number of colors you think your terminal supports. See
:help xterm-color
for more on this.
> Perhaps it is hard to send popup screen info. to a remote computer
> over the internet?
It is certainly not a problem over the Internet, but it could be a
problem over a very slow connection. I remotely log in to various
computers all over the U.S. and never have a speed problem. In
fact, that Vim 7.0 installation I tested for this problem was on a
computer 300 miles away.
> Or, the standard vt100 terminfo entries probably do
> not include colors. Why I wonder are colors needed to display a menu?
That I don't know.
> It is always hard for me to pick an emulation that vim likes for most
> functions. Any suggestions?
As I wrote above, xterm usually works well. If I'm using PuTTY on
Windows as my terminal, I sometimes have to change some of its
settings to get everything working correctly.
Regards,
Gary
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