On Tue, 2 Oct 2012, Marc Lehmann wrote:
On Tue, Oct 02, 2012 at 03:27:12PM +0200, Marco <[email protected]> wrote:
ctrl-tab mappings work fine in gvim, but fail in console vim with
urxvt. Example:
Well, gvim doesn't run in a terminal.
map <c-tab> <ESC>iFoo
Hitting ctrl-tab prints “Foo” in gvim, but it fails in console vim.
I guess you need to find out what vim expects to receive for c-tab,
and then configure urxvt to emit this sequence.
It's me who is clueless here. Frankly I don't know much about key
codes and terminals.
While I probably fare better in that respetc, and even use vim myself,
I also don't know what vim expects as a sequence, and don't know a
good way of finding out, short of reading the source (with luck, it's
hidden somewhere in the docs).
Console Vim doesn't expect it at all. There's t_kB "back-tab", which is
the termcap entry used for <S-Tab>, but nothing for <C-Tab>.
properly. As least, as I understand you, I don't have to change my
terminal and it's possible with urxvt. Maybe you can help me with the
configuration?
It is possible if vim supports it - the basic question is what
sequence does vim expect for c-tab.
If vim doesn't support it at all, then you can still invent your own
fantasy sequence and bind that one to the command though, so no matter
what, there should be a way to get whatever you want working.
When I've found sequences like this that don't have termcap/terminfo
(historical) counterparts, I've tried to do what XTerm's
"modifyOtherKeys" mode does. It uses CSI Ps[;Ps[;Ps]] ~ to provide a
more extensible set of key codes. (And, for better or worse, since it's
XTerm, it may well become a de facto standard.)
In the case of Ctrl+Tab, it produces (spaces added):
CSI 27 ; 5 ; 9 ~
27 = extended key (...I think)
5 = Ctrl ( 2 = Shift ; 6 = Ctrl+Shift ; etc. )
9 = ASCII code for Tab
So, you can add to your .Xresources/.Xdefaults:
URxvt.keysym.C-0xFF09: \033[27;5;9~
(0xFF09 = keycode for Tab according to `xev` -- is there a simpler way?
"C-Tab" didn't work.)
And add to your .vimrc:
map <Esc>[27;5;9~ <C-Tab>
Then the sequence will be mapped to <C-Tab>, which Vim can then
interpret properly.
--
Best,
Ben
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