" general settings

set colorcolumn=120

set cursorline

set cursorlineopt=number

set encoding=UTF-8

set expandtab

set incsearch

set nowrap

set number

set relativenumber

set ruler

set shiftwidth=2

set softtabstop=0

set tabstop=2

set textwidth=0

highlight ColorColumn ctermbg=darkgray

" ==== hard mode ====

noremap <Up> <NOP>

noremap <Down> <NOP>

noremap <Left> <NOP>

noremap <Right> <NOP>

" ==== plugins ====

call plug#begin('~/.config/nvim/plugged')

" airline

Plug 'vim-airline/vim-airline'

Plug 'vim-airline/vim-airline-themes'

" lsp client

Plug 'neoclide/coc.nvim', {'branch': 'release'}

" debugger client

Plug 'puremourning/vimspector'

" git support

Plug 'tpope/vim-fugitive'

" fuzzy file search

Plug 'kien/ctrlp.vim'

" file system explorer

Plug 'preservim/nerdtree'

" file icons

Plug 'ryanoasis/vim-devicons'

" == cxx

Plug 'jackguo380/vim-lsp-cxx-highlight'

" == tsx

Plug 'pangloss/vim-javascript'

Plug 'leafgarland/typescript-vim'

Plug 'peitalin/vim-jsx-typescript'

call plug#end()

" ==== coc config ====

set hidden

set nobackup

set nowritebackup

set updatetime=300

set shortmess+=c

set signcolumn=number

" Use tab for trigger completion with characters ahead and navigate.

" NOTE: Use command ':verbose imap <tab>' to make sure tab is not mapped by

" other plugin before putting this into your config.

function! s:check_back_space() abort

let col = col('.') - 1

return !col || getline('.')[col - 1] =~# '\s'

endfunction

inoremap <silent><expr> <TAB>

\ pumvisible() ? "\<C-n>" :

\ <SID>check_back_space() ? "\<TAB>" :

\ coc#refresh()

inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"

" Use <c-space> to trigger completion.

inoremap <silent><expr> <c-space> coc#refresh()

" Make <CR> auto-select the first completion item and notify coc.nvim to

" format on enter, <cr> could be remapped by other vim plugin

inoremap <silent><expr> <cr> pumvisible() ? coc#_select_confirm()

\: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"

" Use `[g` and `]g` to navigate diagnostics

" Use `:CocDiagnostics` to get all diagnostics of current buffer in location list.

nmap <silent> [d <Plug>(coc-diagnostic-prev)

nmap <silent> ]d <Plug>(coc-diagnostic-next)

" GoTo code navigation.

nmap <silent> gd <Plug>(coc-definition)

nmap <silent> gy <Plug>(coc-type-definition)

nmap <silent> gi <Plug>(coc-implementation)

nmap <silent> gr <Plug>(coc-references)

" Use K to show documentation in preview window.

function! s:show_documentation()

if (index(['vim','help'], &filetype) >= 0)

execute 'h '.expand('<cword>')

elseif (coc#rpc#ready())

call CocActionAsync('doHover')

else

execute '!' . &keywordprg . " " . expand('<cword>')

endif

endfunction

nnoremap <silent> K :call <SID>show_documentation()<CR>

nnoremap <silent> <leader>i :CocCommand clangd.symbolInfo

" Highlight the symbol and its references when holding the cursor.

autocmd CursorHold * silent call CocActionAsync('highlight')

" Symbol renaming.

nmap <leader>rn <Plug>(coc-rename)

" Formatting selected code.

xmap <leader>f <Plug>(coc-format-selected)

nmap <leader>f <Plug>(coc-format-selected)

" Applying codeAction to the selected region.

" Example: `<leader>aap` for current paragraph

xmap <leader>a <Plug>(coc-codeaction-selected)

nmap <leader>a <Plug>(coc-codeaction-selected)

" Remap keys for applying codeAction to the current buffer.

nmap <leader>ac <Plug>(coc-codeaction)

" Apply AutoFix to problem on the current line.

nmap <leader>qf <Plug>(coc-fix-current)

" Map function and class text objects

" NOTE: Requires 'textDocument.documentSymbol' support from the language server.

xmap if <Plug>(coc-funcobj-i)

omap if <Plug>(coc-funcobj-i)

xmap af <Plug>(coc-funcobj-a)

omap af <Plug>(coc-funcobj-a)

xmap ic <Plug>(coc-classobj-i)

omap ic <Plug>(coc-classobj-i)

xmap ac <Plug>(coc-classobj-a)

omap ac <Plug>(coc-classobj-a)

" Remap <C-f> and <C-b> for scroll float windows/popups.

nnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"

nnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"

inoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(1)\<cr>" : "\<Right>"

inoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(0)\<cr>" : "\<Left>"

vnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"

vnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"

" Use CTRL-S for selections ranges.

" Requires 'textDocument/selectionRange' support of language server.

nmap <silent> <C-s> <Plug>(coc-range-select)

xmap <silent> <C-s> <Plug>(coc-range-select)

" Add `:Format` command to format current buffer.

command! -nargs=0 Format :call CocAction('format')

" Add `:Fold` command to fold current buffer.

command! -nargs=? Fold :call CocAction('fold', <f-args>)

" Add `:OR` command for organize imports of the current buffer.

command! -nargs=0 OR :call CocAction('runCommand', 'editor.action.organizeImport')

" Add (Neo)Vim's native statusline support.

" NOTE: Please see `:h coc-status` for integrations with external plugins that

" provide custom statusline: lightline.vim, vim-airline.

set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}

" Mappings for CoCList

" Show all diagnostics.

nnoremap <silent><nowait> <space>a :<C-u>CocList diagnostics<cr>

" Manage extensions.

nnoremap <silent><nowait> <space>e :<C-u>CocList extensions<cr>

" Show commands.

nnoremap <silent><nowait> <space>c :<C-u>CocList commands<cr>

" Find symbol of current document.

nnoremap <silent><nowait> <space>o :<C-u>CocList outline<cr>

" Search workspace symbols.

nnoremap <silent><nowait> <space>s :<C-u>CocList -I symbols<cr>

" Do default action for next item.

nnoremap <silent><nowait> <space>j :<C-u>CocNext<CR>

" Do default action for previous item.

nnoremap <silent><nowait> <space>k :<C-u>CocPrev<CR>

" Resume latest coc list.

nnoremap <silent><nowait> <space>p :<C-u>CocListResume<CR>

" ==== nerdtree ====

" Open the existing NERDTree on each new tab.

autocmd BufWinEnter * if getcmdwintype() == '' | silent NERDTreeMirror | endif

" Exit Vim if NERDTree is the only window remaining in the only tab.

autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif

" Close the tab if NERDTree is the only window remaining in it.

autocmd BufEnter * if winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif

nnoremap <leader>n :NERDTreeFocus<CR>

nnoremap <C-n> :NERDTree<CR>

nnoremap <C-t> :NERDTreeToggle<CR>

nnoremap <C-f> :NERDTreeFind<CR>

" configure GUI open

set guifont=DroidSansMono_Nerd_Font:h16

" ==== airline ====

let g:airline_theme='dark'

let g:airline#extensions#tabline#enabled = 1

let g:airline#extensions#tabline#show_buffers = 0

let g:airline#extensions#tabline#show_splits = 0

let g:airline#extensions#tabline#show_tabs = 1

let g:airline#extensions#tabline#show_tab_nr = 0

let g:airline#extensions#tabline#show_tab_type = 0

let g:airline#extensions#tabline#close_symbol = '×'

let g:airline#extensions#tabline#show_close_button = 0

let g:airline#extensions#tabline#formatter = 'default'

" ==== ctrl-p config ====

let g:ctrlp_custom_ignore = '\v[\/]((\.(git|hg|svn))|node_modules|dist)$'

" ==== coc plugins ===

let g:coc_global_extensions = [

\ 'coc-clangd',

\ 'coc-json',

\ 'coc-sh',

\ 'coc-tsserver',

\ 'coc-texlab',

\ 'coc-vimtex',

\ 'coc-snippets',

\ 'coc-pairs'

\ ]

" ==== vimspector config ====

" vimspector keyboard mappings, emulate CLion as good as possible

nmap <F1> <Plug>VimspectorToggleBreakpoint

nmap <leader><F1> <Plug>VimspectorToggleConditionalBreakpoint

nmap <F2> <Plug>VimspectorAddFunctionBreakpoint

nmap <F3> :VimspectorReset<CR>

nmap <leader><F3> <Plug>VimspectorStop

nmap <F4> <Plug>VimspectorRestart

nmap <F5> <Plug>VimspectorContinue

nmap <leader><F5> <Plug>VimspectorLaunch

nmap <F6> <Plug>VimspectorPause

nmap <F7> <Plug>VimspectorStepInto

nmap <F8> <Plug>VimspectorStepOver

nmap <leader><F8> <Plug>VimspectorStepOut

nmap <F9> <Plug>VimspectorRunToCursor

" start vimspector

nnoremap <leader>d :execute '!./build-debug.sh' \| if !v:shell_error \| call vimspector#Launch() \| endif<CR>