Re: Mapping only in specific buffer

On 2014-06-12, Ni Va wrote:
> Hi,
>
>
> I would like to map ]c diff jump only in a vim buffer.
>
> I have done this for the moment but would like to make conditional
> test on &diff var :
> map <F2> : norm ]c<CR>

If you're mapping a key to be pressed in normal mode, you don't need
to go into ex mode and use :normal--just map the command directly.

map <F2> ]c

To make a mapping apply only in a particular buffer, use the
<buffer> modifier.

map <buffer> <F2> ]c

See

:help :map-<buffer>

That :map command has to be executed in the buffer in which you want
it to apply. If you want it to apply to buffers of a certain file
type, you can put the command in a file in your
~/.vim/after/ftplugin directory. See

:help ftplugin-overrule

Or, you can put a FileType autocommand in your ~/.vimrc like this
example that assumes you want the mapping to be defined only for the
c file type.

au FileType c map <buffer> <F2> ]c

You can make mapping conditional on option settings such as 'diff',
but how you do that depends on the behavior you're really trying to
achieve and when you want the mapping to depend on 'diff': when the
mapping is defined or when <F2> is pressed.

Regards,
Gary

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