On 08/07/09 12:43, Simson Liu wrote:
>
>
> Hello everyone!
>
> I use vim in putty terminal, when I press<Alt>-<[> key, the putty send
> <Esc><[> to vim. I hope get<Alt-[> in vim, so I just set<M-[>, such as
>
> :set<M-a>=^[[
this means "define Alt+a (not Alt+[ ) as Escape-LeftBracket. Alt+[
should be <M-[> but in order to use it, you have to determine if your
terminal sends it. If it does, hitting Ctrl+V followed by Alt+[ in
Insert mode should insert something at the cursor, probably ^[[ -- if
nothing is inserted, it means Vim hasn't received anything.
Sending an Escape prefix for Alt keys is rather common; the problem is
that there's no obvious way to distinguish it from hitting Esc yourself,
then hitting something else. See also:
:help map-alt-keys
:help 'esckeys'
:help 'ttimeout'
:help 'ttimeoutlen'
Concerning the latter, and contrary to what the help says is "normal"
(but in agreement with the "useful" setting mentioned at the end of that
help paragraph), I recommend to use different timeouts on mappings and
key codes. I use
:set timeout timeoutlen=5000 ttimeoutlen=100
which means: time out mappings after 5 seconds, keycodes after one-tenth
of a second. The actual values to use will depend on your maximum and
minimum typing speed and on your terminal line speed.
>
> the ^[ is entered by<^-v><Esc>, but this does not the work.
>
> How can I do it?
>
> Thank you!
I'm not sure. My konsole terminal also sends Esc for Alt, and Vim
confuses it with a genuine Esc. But gvim (which gets Alt as high-bit)
that problem doesn't happen.
Best regards,
Tony.
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