Restore your easier window navigation mappings on Netrw buffers in Vim
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If you are like me and have added the below mappings into your .vimrc file as
mappings to window commands meant for navigation...
" Easier window navigation.
map <C-h> <C-w>h
map <C-j> <C-w>j
map <C-k> <C-w>k
map <C-l> <C-w>l
... you may have figured out that they do not work on Netrw buffers.
Below is the way to fix that...
First off you need the following function:
function NetrwMappings()
nnoremap <buffer> <C-h> :wincmd h<cr>
nnoremap <buffer> <C-j> :wincmd j<cr>
nnoremap <buffer> <C-k> :wincmd k<cr>
nnoremap <buffer> <C-l> :wincmd l<cr>
endfunction
And finally the following auto commands group that lets you set these remaps
when on netrw buffer.
augroup netrw_mappings
autocmd!
autocmd filetype netrw call NetrwMappings()
augroup END
Add these two last code blocks to your .vimrc then re-source it and or restart
your Vim and enjoy!