Vim config file example for Jetbrains IDEs. Put .ideavimrc under $HOME dir.

.ideavimrc

set scrolloff=5
set showmode
set history=1000
" set rnu

" for default search
set ignorecase
set hlsearch
set smartcase
set incsearch

" specially for ideavim
set ideajoin

" surround
set surround

" key mapping
" inoremap jk <esc>
nnoremap gd :action GotoDeclaration<cr>
nnoremap gs :action GotoImplementation<cr>
nnoremap <c-o> <esc>:action Back<cr>
nnoremap <c-i> <esc>:action Forward<cr>
nnoremap <c-]> :action GotoDeclaration<cr>
nnoremap <esc> :nohlsearch<cr>

" copy to clipboard
vnoremap Y "+y

" Integrate with system clipboard
" set clipboard=unnamedplus,unnamed

let mapleader = ","

" Use Q for formatting the current paragraph (or visual selection)
vnoremap Q gq
nnoremap Q gqap

" key bindings for quickly moving between windows
" h left, l right, k up, j down
nnoremap <c-h> <c-w>h
nnoremap <c-j> <c-w>j
nnoremap <c-k> <c-w>k
nnoremap <c-l> <c-w>l


" nmap gf :action GotoFile<cr>
nnoremap gc :action GotoClass<cr>
nnoremap gr :action ShowUsages<cr>
nnoremap <leader>ns :action GotoSymbol<cr>
nnoremap <leader>nm :action FileStructurePopup<cr>
nnoremap <leader>d :action ShowErrorDescription<cr>
nnoremap == :action ReformatCode<cr>
nnoremap <leader>lf :action FileStructurePopup<cr>
nnoremap <leader>ff :action GotoFile<cr>
nnoremap <leader>sf :action FindInPath<cr>
nnoremap <leader>ee :action ActivateProjectToolWindow<cr>
nnoremap <leader>tt :action ActivateTerminalToolWindow<cr>
nnoremap <leader>cc :action CommentByLineComment<cr>

" string manipulation
" requires plugin: String Manipulation
nnoremap cr- :action StringManipulation.ToHyphenCaseAction<cr>
nnoremap crc :action StringManipulation.ToCamelCase<cr>
nnoremap crC :action StringManipulation.ToPascalCase<cr>
nnoremap crs :action StringManipulation.ToSnakeCase<cr>

" navigate functions
nnoremap [d :action GotoPreviousError<cr>
nnoremap ]d :action GotoNextError<cr>
nnoremap ]] :action MethodDown<cr>
nnoremap [[ :action MethodUp<cr>

nnoremap m; :action ShowBookmakrs<cr>
nnoremap m' :action Bookmakrs<cr>

" IdeaVim uses 'a' for alt instead of Vim's 'm'
" nnoremap <a-j> 15gj
" nnoremap <a-k> 15gk

" easymotion
" requires plugin: AceJump
nnoremap ff :action AceAction<cr>
nnoremap tt :action AceTargetAction<cr>

" emacs-like key bindings under insert & command mode
cnoremap <c-b> <left>
cnoremap <c-f> <right>
cnoremap <c-n> <down>
cnoremap <c-p> <up>
cnoremap <c-a> <home>
cnoremap <c-e> <end>
cnoremap <c-d> <del>
cnoremap <m-b> <s-left>
cnoremap <m-f> <s-right>

inoremap <c-b> <left>
inoremap <c-f> <right>
inoremap <c-n> <down>
inoremap <c-p> <up>
inoremap <c-a> <home>
inoremap <c-e> <end>
inoremap <c-d> <del>
inoremap <c-k> <esc>lC