wip

users/alejandro/neovim.nix

@@ -7,6 +7,8 @@
 
   programs.neovim = {
     enable = true;
+    viAlias = true;
+    vimAlias = true;
     withNodeJs = true;
     withPython3 = true;
     extraPython3Packages = ps: with ps; [black isort flake8 ipdb];
@@ -17,18 +19,63 @@
 
       # Eye candy
       nvim-web-devicons
-      base16-vim
+      # base16-vim
-
+      nvim-base16
-      # Telescope (fuzzy finding)
       {
-        plugin = telescope-nvim;
+        plugin = lualine-nvim;
+        type = "lua";
         config = ''
-          nnoremap <leader>ff <cmd>lua require('telescope.builtin').find_files()<cr>
+          require('lualine').setup {
-          nnoremap <leader>fg <cmd>lua require('telescope.builtin').live_grep()<cr>
+          options = {
-          nnoremap <leader>fb <cmd>lua require('telescope.builtin').buffers()<cr>
+            icons_enabled = true,
-          nnoremap <leader>fh <cmd>lua require('telescope.builtin').help_tags()<cr>
+            theme = 'auto',
+            component_separators = { left = '', right = ''},
+            section_separators = { left = '', right = ''},
+            disabled_filetypes = {
+            statusline = {},
+            winbar = {},
+            },
+            ignore_focus = {},
+            always_divide_middle = true,
+            globalstatus = false,
+            refresh = {
+            statusline = 1000,
+            tabline = 1000,
+            winbar = 1000,
+            }
+          },
+          sections = {
+            lualine_a = {'mode'},
+            lualine_b = {'branch', 'diff', 'diagnostics'},
+            lualine_c = {'filename'},
+            lualine_x = {'encoding', 'fileformat', 'filetype'},
+            lualine_y = {'progress'},
+            lualine_z = {'location'}
+          },
+          inactive_sections = {
+            lualine_a = {},
+            lualine_b = {},
+            lualine_c = {'filename'},
+            lualine_x = {'location'},
+            lualine_y = {},
+            lualine_z = {}
+          },
+          tabline = {},
+          winbar = {},
+          inactive_winbar = {},
+          extensions = {}
+          }
         '';
       }
+
+      # tmux integration
+      tmux-navigator
+
+      vim-obsession
+      vim-nix
+
+      # Telescope (fuzzy finding)
+      telescope-nvim # Config for this in `extraConfig` since it depends on <leader> and I override that. (Generated config places plugin config above contents of extraConfig
       {
         plugin = telescope-file-browser-nvim;
         type = "lua";
@@ -63,9 +110,6 @@
           )
         '';
       }
-
-      # tmux integration
-      tmux-navigator
     ];
 
     coc = {
@@ -78,10 +122,174 @@
           python.formatting.provider": "black"
         }
       '';
+
+      # Copied the below from coc's README
+      pluginConfig =
+        ''
+          " Some servers have issues with backup files, see #649.
+          set nobackup
+          set nowritebackup
+
+          " Having longer updatetime (default is 4000 ms = 4 s) leads to noticeable
+          " delays and poor user experience.
+          set updatetime=300
+
+          " Always show the signcolumn, otherwise it would shift the text each time
+          " diagnostics appear/become resolved.
+          set signcolumn=yes
+
+          " Use tab for trigger completion with characters ahead and navigate.
+          " NOTE: There's always complete item selected by default, you may want to enable
+          " no select by `"suggest.noselect": true` in your configuration file.
+          " NOTE: Use command ':verbose imap <tab>' to make sure tab is not mapped by
+          " other plugin before putting this into your config.
+          inoremap <silent><expr> <TAB>
+          	  \ coc#pum#visible() ? coc#pum#next(1) :
+          	  \ CheckBackspace() ? "\<Tab>" :
+          	  \ coc#refresh()
+          inoremap <expr><S-TAB> coc#pum#visible() ? coc#pum#prev(1) : "\<C-h>"
+
+          " Make <CR> to accept selected completion item or notify coc.nvim to format
+          " <C-g>u breaks current undo, please make your own choice.
+          inoremap <silent><expr> <CR> coc#pum#visible() ? coc#pum#confirm()
+          							  \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"
+
+          function! CheckBackspace() abort
+            let col = col('.') - 1
+            return !col || getline('.')[col - 1]  =~# '\s'
+          endfunction
+
+          " Use <c-space> to trigger completion.
+          if has('nvim')
+            inoremap <silent><expr> <c-space> coc#refresh()
+          else
+            inoremap <silent><expr> <c-@> coc#refresh()
+          endif
+
+          " Use `[g` and `]g` to navigate diagnostics
+          " Use `:CocDiagnostics` to get all diagnostics of current buffer in location list.
+          nmap <silent> [g <Plug>(coc-diagnostic-prev)
+          nmap <silent> ]g <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.
+          nnoremap <silent> K :call ShowDocumentation()<CR>
+
+          function! ShowDocumentation()
+            if CocAction('hasProvider', 'hover')
+          	call CocActionAsync('doHover')
+            else
+          	call feedkeys('K', 'in')
+            endif
+          endfunction
+
+          " 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)
+
+          augroup mygroup
+            autocmd!
+            " Setup formatexpr specified filetype(s).
+            autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
+            " Update signature help on jump placeholder.
+            autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
+          augroup end
+
+          " 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)
+
+          " Run the Code Lens action on the current line.
+          nmap <leader>cl  <Plug>(coc-codelens-action)
+
+          " 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.
+          if has('nvim-0.4.0') || has('patch-8.2.0750')
+            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>"
+          endif
+
+          " 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 CocActionAsync('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     CocActionAsync('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>
+        '';
     };
 
     extraConfig = ''
-      let mapleader = "'"
+      set tabstop=4
+      set shiftwidth=4
+      set mouse=a
+      set expandtab
+      set number
+      set autoindent
+      syntax on
+      let mapleader = "`"
 
       " Colorscheme
       if !exists('g:colors_name') || g:colors_name != 'base16-darktooth'
@@ -90,6 +298,15 @@
         colorscheme base16-darktooth
         hi Normal ctermbg=NONE guibg=NONE
       endif
+
+      " Toggle relative line numbers
+      nmap <leader>num :set invrelativenumber<CR>
+
+      " Bindings for telescope-nvim
+      nnoremap <leader>ff <cmd>lua require('telescope.builtin').find_files()<cr>
+      nnoremap <leader>fg <cmd>lua require('telescope.builtin').live_grep()<cr>
+      nnoremap <leader>fb <cmd>lua require('telescope.builtin').buffers()<cr>
+      nnoremap <leader>fh <cmd>lua require('telescope.builtin').help_tags()<cr>
     '';
   };
 }