Using variable in vim key mappings
How can I use a variable when matching keys in vim? The specific problem I'm trying to solve is as follows. I need these key mappings:
nnoremap <C-1> 1gt
nnoremap <C-2> 2gt
nnoremap <C-3> 3gt
... and so on.
Whether it is possible to specify one mapping; something like
nnoremap <C-x> xgt
where x is the value of the key pressed (which can be from 1..9)
Thank.
Edit 1: Towards a solution (not yet complete) thanks to Peter Rinker
I can use the function
function gotoTab(num)
execute "normal" a:num."gt"
endfunction
If I am :call goToTab(3)
, it goes to tab 3.
How to match Command-x (Dx) with goToTab (x) where x is between 1..9. How do I read the number from Command-x?
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I have some bad news. You cannot match <c-1>
, etc. You can only bind <c-6>
, which I would not do as it is very convenient.
It also seems like you are doing a large tabbed workflow. I know this may sound strange, but maybe use fewer tabs and more buffers. Here are some good posts about this:
... Ok, but I really want to make this variable. You have options:
- Use a for loop and use
:execute
to create mappings - The more Vim Way uses the counter
7gt
.7
is a counter.
Usage example :for
and :execute
:
for i in range(1, 9)
execute "nnoremap \<d-" . i . "> " . i . "gt"
endfor
Note: This uses the <d-...>
command syntax available only on MacVim and no terminal support (see :h <D-
). You can use <a-...>
for Alt. However, I must warn you that using Alt on a terminal can be tricky.
For more help see:
:h keycodes
:h map-which-keys
:h :for
:h :exe
:h count
:h v:count
:h range(
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