nvim: swapped explorer and tagger for new lua plugins

.config/nvim/init.lua

@@ -66,4 +66,3 @@ require('keymap')
 
 -- load general colorscheme
 require('colorscheme')
-

.config/nvim/lua/autocmd.lua

@@ -13,96 +13,112 @@ extension = {
     nim = 'nim',
     py = 'python',
     tex = 'tex',
-}})
+  }
+})
 
 -- delete trailing whitespaces on save
 vim.api.nvim_create_autocmd({ 'BufWritePre' },
-{pattern = {'*'},
+  {
+    pattern = { '*' },
     command = [[%s/\s\+$//e]],
   })
 
 -- settings for filetype: c
 
 vim.api.nvim_create_autocmd({ 'VimLeave' },
-{pattern = {'c'},
+  {
+    pattern = { 'c' },
     command = '!cclear'
   })
 
 vim.api.nvim_create_autocmd({ 'BufEnter', 'FileType' },
-{pattern = {'c'},
+  {
+    pattern = { 'c' },
     command = 'set colorcolumn=80'
   })
 
 -- settings for filetype: java
 
 vim.api.nvim_create_autocmd({ 'FileType' },
-{pattern = {'java'},
+  {
+    pattern = { 'java' },
     command = 'setlocal shiftwidth=2 softtabstop=2',
   })
 
 vim.api.nvim_create_autocmd({ 'BufEnter', 'FileType' },
-{pattern = {'java'},
+  {
+    pattern = { 'java' },
     command = 'set colorcolumn=100'
   })
 
 -- settings for filetype: javascript
 
 vim.api.nvim_create_autocmd({ 'FileType' },
-{pattern = {'javascript'},
+  {
+    pattern = { 'javascript' },
     command = 'setlocal shiftwidth=2 softtabstop=2',
   })
 
 -- settings for filetype: lua
 
 vim.api.nvim_create_autocmd({ 'FileType' },
-{pattern = {'lua'},
+  {
+    pattern = { 'lua' },
     command = 'setlocal shiftwidth=2 softtabstop=2',
   })
 
 vim.api.nvim_create_autocmd({ 'BufEnter', 'FileType' },
-{pattern = {'lua'},
+  {
+    pattern = { 'lua' },
     command = 'set colorcolumn=100'
   })
 
 -- settings for filetype: markdown
 
 vim.api.nvim_create_autocmd({ 'FileType' },
-{pattern = {'markdown'},
+  {
+    pattern = { 'markdown' },
     command = 'setlocal shiftwidth=2 softtabstop=2',
   })
 
 vim.api.nvim_create_autocmd({ 'BufEnter', 'FileType' },
-{pattern = {'markdown'},
+  {
+    pattern = { 'markdown' },
     command = 'set colorcolumn=100'
   })
 
 vim.api.nvim_create_autocmd({ 'BufEnter', 'FileType' },
-{pattern = {'markdown'},
+  {
+    pattern = { 'markdown' },
     command = 'set conceallevel=2'
   })
 
 -- settings for filetype: nim
 
 vim.api.nvim_create_autocmd({ 'BufEnter', 'FileType' },
-{pattern = {'nim'},
+  {
+    pattern = { 'nim' },
     command = 'set colorcolumn=80'
   })
 
 -- settings for filetype: python
 
 vim.api.nvim_create_autocmd({ 'BufEnter', 'FileType' },
-{pattern = {'python'},
+  {
+    pattern = { 'python' },
     command = 'set colorcolumn=80'
   })
 
 -- settings for filetype: tex
 
 vim.api.nvim_create_autocmd({ 'VimLeave' },
-{pattern = {'tex'},
+  {
+    pattern = { 'tex' },
     command = '!texclear %'
   })
 
 vim.api.nvim_create_autocmd({ 'BufEnter', 'FileType' },
-{pattern = {'tex'},
+  {
+    pattern = { 'tex' },
     command = 'set colorcolumn=80'
   })

.config/nvim/lua/keymap.lua

@@ -50,10 +50,10 @@ vim.api.nvim_set_keymap('n', '<leader>ss', ':%s//gI<Left><Left><Left>', {noremap
 vim.api.nvim_set_keymap('n', '<leader>is', ':.w >> in<cr>dd', { noremap = true })
 
 -- majutsushi/tagbar
-vim.api.nvim_set_keymap('n', '<F3>', ':TagbarToggle<CR>', {})
+vim.api.nvim_set_keymap('n', '<F3>', ':Navbuddy<CR>', {})
 
 -- scrooloose/nerdtree
-vim.api.nvim_set_keymap('n', '<F2>', ':NERDTreeToggle<CR>', {})
+vim.api.nvim_set_keymap('n', '<F2>', ':Neotree toggle<CR>', {})
 
 -- tpope/vim-fugitive
 vim.api.nvim_set_keymap('n', '<leader>ga', ':Git add %:p<CR><CR>', { noremap = true })

.config/nvim/lua/loadplugins.lua

@@ -27,14 +27,23 @@ return require("packer").startup(function(use)
   use { 'itchyny/lightline.vim',
     require = { "tiyn/vim-tccs" } }
 
+  -- show signature while typing
+  use { 'ray-x/lsp_signature.nvim' }
+
   -- latex asynchronous pdf rendering
   use { 'donRaphaco/neotex',
     ft = { 'tex' } }
 
-    -- navigating folders with a file tree
+  -- fileexplorer on the side
-    use {'scrooloose/nerdtree',
+  use {
-        cmd = 'NERDTreeToggle',
+    "nvim-neo-tree/neo-tree.nvim",
-        requires = 'ryanoasis/vim-devicons'}
+    branch = "v3.x",
+    requires = {
+      "nvim-lua/plenary.nvim",
+      "nvim-tree/nvim-web-devicons",
+      "MunifTanjim/nui.nvim",
+    }
+  }
 
   -- nim language support
   use { 'zah/nim.vim',
@@ -48,6 +57,7 @@ return require("packer").startup(function(use)
     requires = { 'hrsh7th/cmp-buffer',
       'hrsh7th/cmp-path',
       'hrsh7th/cmp-nvim-lsp',
+      'lukas-reineke/cmp-under-comparator',
       'antoinemadec/fixcursorhold.nvim',
       'l3mon4d3/luasnip',
       'saadparwaiz1/cmp_luasnip',
@@ -63,6 +73,16 @@ return require("packer").startup(function(use)
   -- showing color of hex values, etc
   use { 'norcalli/nvim-colorizer.lua' }
 
+  -- show tags
+  use {
+    "SmiteshP/nvim-navbuddy",
+    requires = {
+      "neovim/nvim-lspconfig",
+      "SmiteshP/nvim-navic",
+      "MunifTanjim/nui.nvim",
+    }
+  }
+
   -- better language highlighting by improved parsing
   use { 'nvim-treesitter/nvim-treesitter' }
 
@@ -73,10 +93,6 @@ return require("packer").startup(function(use)
   -- colorful brackets
   use { 'luochen1990/rainbow' }
 
-    -- show tags
-    use {'majutsushi/tagbar',
-        cmd = 'TagbarToggle'}
-
   -- todo symbols and highlighting
   use { 'folke/todo-comments.nvim',
     requires = { 'nvim-lua/plenary.nvim' } }
@@ -109,5 +125,4 @@ return require("packer").startup(function(use)
   if packer_bootstrap then
     require('packer').sync()
   end
-
 end)

.config/nvim/plugin/nerdtree.lua

@@ -1,2 +0,0 @@
--- scrooloose/nerdtree
-vim.g.NERDTreeWinPos = 'left'

.config/nvim/plugin/nvim-cmp.lua

@@ -1,12 +1,5 @@
 -- hrsh7th/nvim-cmp
 
--- mason package manager
-require("mason").setup()
-require("mason-lspconfig").setup({
-    -- automatically install language servers setup below for lspconfig
-    automatic_setup = true,
-})
-
 -- jose-elias-alvarez/null-ls.nvim
 local null_ls = require("null-ls")
 
@@ -27,6 +20,14 @@ require("null-ls").setup({
   },
 })
 
+-- mason package manager
+require("mason").setup()
+
+require("mason-lspconfig").setup({
+  -- automatically install language servers setup below for lspconfig
+  automatic_setup = true,
+})
+
 require("mason-null-ls").setup({
   automatic_installation = true,
   ensure_installed = {}
@@ -43,6 +44,18 @@ local cmp = require("cmp")
 local luasnip = require("luasnip")
 local lspkind = require("lspkind")
 cmp.setup {
+  sorting = {
+    comparators = {
+      cmp.config.compare.offset,
+      cmp.config.compare.exact,
+      cmp.config.compare.score,
+      require "cmp-under-comparator".under,
+      cmp.config.compare.kind,
+      cmp.config.compare.sort_text,
+      cmp.config.compare.length,
+      cmp.config.compare.order,
+    },
+  },
   snippet = {
     expand = function(args)
       luasnip.lsp_expand(args.body)
@@ -71,7 +84,8 @@ cmp.setup {
     ['<CR>'] = cmp.mapping.confirm {
       behavior = cmp.ConfirmBehavior.Replace,
       select = true,
-  }},
+    }
+  },
   sources = {
     { name = 'nvim_lsp' },
     { name = 'path' },
@@ -124,12 +138,25 @@ require("luasnip.loaders.from_snipmate").lazy_load()
 -- neovim/nvim-lspconfig
 local nvim_lsp = require('lspconfig')
 
+require "lsp_signature".setup({
+  bind = true,
+  handler_opts = {
+    border = "rounded"
+  }
+})
+
+local navbuddy = require("nvim-navbuddy")
+
+local attach_func = function(client, bufnr)
+  navbuddy.attach(client, bufnr)
+end
+
 -- Use a loop to conveniently call 'setup' on multiple servers and
 -- map buffer local keybindings when the language server attaches
 local servers = { "pyright", "bashls", "texlab", "ccls", "nimls", "marksman" }
 for _, lsp in ipairs(servers) do
   nvim_lsp[lsp].setup {
-        on_attach=on_attach,
+    on_attach = attach_func,
     capabilities = capabilities,
     flags = {
       debounce_text_changes = 150
@@ -139,7 +166,7 @@ end
 
 
 require 'lspconfig'.jdtls.setup {
-    on_attach=on_attach,
+  on_attach = attach_func,
   flags = {
     debounce_text_changes = 150
   },
@@ -147,6 +174,7 @@ require'lspconfig'.jdtls.setup{
 }
 
 require 'lspconfig'.lua_ls.setup {
+  on_attach = attach_func,
   settings = {
     Lua = {
       runtime = { version = 'LuaJIT' },

.config/nvim/plugin/nvim-colorizer.lua

@@ -1,5 +1,5 @@
 -- norcalli/nvim-colorizer.lua
 require 'colorizer'.setup {
-    '*';
+  '*',
-    '!markdown';
+  '!markdown',
 }