My JetBrains vim configuration

.ideavimrc

sethandler <C-B> a:vim
sethandler <C-F> a:vim
sethandler <C-J> a:vim
sethandler <C-K> a:vim
sethandler <C-L> a:vim
sethandler <C-N> a:vim
sethandler <C-P> a:vim
sethandler <C-R> a:vim
sethandler <C-V> a:vim
sethandler <C-W> a:vim
sethandler <C-^> a:vim

"====================================================================
" Leader key
"====================================================================
" Remap the leader key.
" let g:mapleader = "\<space>"
let g:mapleader = ";"

"====================================================================
" Sane editor settings
"====================================================================
set novisualbell
set noerrorbells

"====================================================================
" Behavior
"====================================================================
" Shorten from default 2 seconds.
set timeoutlen=1000

" Use jj to esc in insert mode.
inoremap jj <esc>

" Highlight matches when searching.
" Use <esc><esc> to clear.
set hlsearch
" Redraw screan and clear search highlighted items.
" http://stackoverflow.com/questions/657447/vim-clear-last-search-highlighting#answer-25569434
" nnoremap <silent> <c-L> :nohlsearch<cr><c-L>
nnoremap <silent> <esc><esc> :nohlsearch<cr><c-L>

" Forward and back.
nnoremap J <c-f>
nnoremap K <c-b>

" H and L move the cursor to top and bottom of the screen, but
" the following scrolls the buffer contents so that the line under
" the cursor is shifted to the top, middle, or bottom.
nnoremap T zt
nnoremap M zz
nnoremap B zb


"====================================================================
" Buffers
"====================================================================
" Go to next buffer.
nnoremap <silent> <leader>n :bn<cr>
inoremap <silent> <leader>n <esc>:bn<cr>

" Go to previous buffer.
nnoremap <silent> <leader>p :bp<cr>
inoremap <silent> <leader>p <esc>:bp<cr>

" Toggle buffer (switch between current and last buffer).
nnoremap <silent> <leader>bb <C-^>

" Close buffer.
nnoremap <silent> <leader>d :bd<cr>
inoremap <silent> <leader>d <esc>:bd<cr>

" Kill buffer (ignore edits).
nnoremap <silent> <leader>d! :bd!<cr>
inoremap <silent> <leader>d! <esc>:bk<cr>

" List buffers and select.
nnoremap <silent> <leader>bl :ls<cr>:buffer<space>
inoremap <silent> <leader>bl <esc>:ls<cr>:buffer<space>

" Select buffer.
" Press <tab> after <leader>b to execute right away.
nnoremap <silent> <leader>b :buffer<space>

" Go to buffer number
" ===================
" => enter #<enter> to go to buffer # quickly, where # is 1..9
let c = 1
while c <= 9
  execute "nnoremap " . c . " :b" . c ."<cr>"
  let c += 1
endwhile

" => enter <leader># to go to buffer #, where # is 1..9
let c = 1
while c <= 9
  execute "nnoremap <leader>" . c . " :b" . c ."<cr>"
  let c += 1
endwhile

" => enter #b to go to buffer #, where # is 1..99
let c = 1
while c <= 99
  execute "nnoremap " . c . "b :b" . c . "<cr>"
  let c += 1
endwhile


"====================================================================
" Windows
"====================================================================
" Close window.
nnoremap <silent> <leader>c :close<cr>
inoremap <silent> <leader>c <esc>:close<cr>

" Improved keyboard navigation.
nnoremap <leader>hh <c-w>h
nnoremap <leader>jj <c-w>j
nnoremap <leader>kk <c-w>k
nnoremap <leader>ll <c-w>l

inoremap <silent> <leader>hh <esc><c-w>h
inoremap <silent> <leader>jj <esc><cr><c-w>j
inoremap <silent> <leader>kk <esc><c-w>k
inoremap <silent> <leader>ll <esc><c-w>l

My personal vim configuration: .vimrc