added LSP status and NvimTree

init.vim

@@ -84,6 +84,7 @@ call plug#begin('~/.vim/plugged')
 Plug 'neovim/nvim-lspconfig'
 Plug 'anott03/nvim-lspinstall'
 Plug 'nvim-lua/completion-nvim'
+Plug 'nvim-lua/lsp-status.nvim'
 
 " Inserting unicode characters.
 Plug 'chrisbra/unicode.vim'
@@ -113,6 +114,10 @@ Plug 'szymonmaszke/vimpyter'
 " Firenvim allows to use neovim as the
 " firefox text editor.
 Plug 'glacambre/firenvim', { 'do': { _ -> firenvim#install(0) } }
+
+" This is a tree manager
+Plug 'kyazdani42/nvim-web-devicons'
+Plug 'kyazdani42/nvim-tree.lua'
 call plug#end()
 
 "===================== Language Server Configuration ===========================
@@ -126,20 +131,24 @@ call plug#end()
 " Install ccls from snap or flatpack.
 lua << EOF
 
+local nvim_lsp_status = require('lsp-status')
+nvim_lsp_status.register_progress()
 local nvim_lsp = require('lspconfig')
 
 -- This basically enables autocompletion
 local on_attach = function(_, bufnr)
     vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
     require'completion'.on_attach()
+    -- also attach lsp-status
+    nvim_lsp_status.on_attach(_, bufnr)
 end
 
 -- Enable the language servers.
-nvim_lsp.ccls.setup{on_attach=on_attach}
-nvim_lsp.vimls.setup{on_attach=on_attach}
-nvim_lsp.pyls.setup{on_attach=on_attach}
-nvim_lsp.bashls.setup{on_attach=on_attach}
-nvim_lsp.yamlls.setup{on_attach=on_attach}
+nvim_lsp.ccls.setup{on_attach=on_attach, capabilities=nvim_lsp_status.capabilities}
+nvim_lsp.vimls.setup{on_attach=on_attach, capabilities=nvim_lsp_status.capabilities}
+nvim_lsp.pyls.setup{on_attach=on_attach, capabilities=nvim_lsp_status.capabilities}
+nvim_lsp.bashls.setup{on_attach=on_attach, capabilities=nvim_lsp_status.capabilities}
+nvim_lsp.yamlls.setup{on_attach=on_attach, capabilities=nvim_lsp_status.capabilities}
 
 EOF
 
@@ -167,6 +176,14 @@ vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
     })
 
 EOF
+" Statusline
+function! LspStatus() abort
+  if luaeval('#vim.lsp.buf_get_clients() > 0')
+    return luaeval("require('lsp-status').status()")
+  endif
+
+  return ''
+endfunction
 
 "========================= Settings For Autocompletion =========================
 "===============================================================================
@@ -253,3 +270,13 @@ if exists('g:started_by_firenvim')
     colorscheme morning
     set guifont=:h9
 endif
+
+
+"==================== Statusline Settings ======================================
+"===============================================================================
+
+set statusline=
+set statusline+=%-f\ %-y%-r%<
+set statusline+=%=%-0.20{LspStatus()}
+set statusline+=%=%l,%v
+set laststatus=2