Add buffer completion source to nvim-cmp plugin in defaults.lua and integrate lspsaga.nvim plugin for LSP functionality in keymaps.lua and init.lua

after/plugin/defaults.lua

@@ -10,5 +10,3 @@ vim.opt.scrolloff = 8
 vim.opt.colorcolumn = "80"
 
 vim.opt.swapfile = false
-
-vim.o.cmdheight = 2

after/plugin/keymaps.lua

@@ -47,8 +47,8 @@ keymap('n', '<leader>y', "\"+y", { desc = "[Y]ank to clipboard" })
 keymap('v', '<leader>y', "\"+y", { desc = "[Y]ank to clipboard" })
 keymap('n', '<leader>Y', "\"+Y", { desc = "[Y]ank to clipboard" })
 
--- Open folder in workspace in tmux session
+-- -- Open folder in workspace in tmux session
-keymap("n", "<leader>op", "<cmd>silent !tmux neww tmux-sessionizer<CR>", { desc = "[O]pen [P]roject" })
+-- keymap("n", "<leader>op", "<cmd>silent !tmux neww tmux-sessionizer<CR>", { desc = "[O]pen [P]roject" })
 
 -- Search cheat sheet
 keymap("n", "<leader>ch", "<cmd>silent !tmux neww tmux-cht.sh<CR>", { desc = "[C]heat [S]heet" })

init.lua

@@ -98,7 +98,7 @@ require('lazy').setup({
   {
     -- Autocompletion
     'hrsh7th/nvim-cmp',
-    dependencies = { 'hrsh7th/cmp-nvim-lsp', 'L3MON4D3/LuaSnip', 'saadparwaiz1/cmp_luasnip' },
+    dependencies = { 'hrsh7th/cmp-nvim-lsp', 'L3MON4D3/LuaSnip', 'saadparwaiz1/cmp_luasnip', 'hrsh7th/cmp-buffer' },
   },
 
   -- Useful plugin to show you pending keybinds.
@@ -186,6 +186,19 @@ require('lazy').setup({
     end,
   },
 
+  {  
+    "glepnir/lspsaga.nvim",
+    event = "LspAttach",
+    dependencies = {
+      { "nvim-tree/nvim-web-devicons" },
+      --Please make sure you install markdown and markdown_inline parser
+      { "nvim-treesitter/nvim-treesitter" }
+    },
+    config = function()
+      require("lspsaga").setup({})
+    end,
+  },
+
   -- NOTE: Next Step on Your Neovim Journey: Add/Configure additional "plugins" for kickstart
   --       These are some example plugins that I've included in the kickstart repository.
   --       Uncomment any of the lines below to enable them.
@@ -302,7 +315,7 @@ vim.keymap.set('n', '<leader>sd', require('telescope.builtin').diagnostics, { de
 -- See `:help nvim-treesitter`
 require('nvim-treesitter.configs').setup {
   -- Add languages to be installed here that you want installed for treesitter
-  ensure_installed = { 'c', 'cpp', 'go', 'lua', 'python', 'rust', 'tsx', 'typescript', 'help', 'vim' },
+  ensure_installed = { 'c', 'cpp', 'go', 'lua', 'python', 'rust', 'tsx', 'typescript', 'help', 'vim', 'markdown', 'markdown_inline' },
 
   -- Autoinstall languages that are not installed. Defaults to false (but you can change for yourself!)
   auto_install = true,
@@ -387,18 +400,29 @@ local on_attach = function(_, bufnr)
     vim.keymap.set('n', keys, func, { buffer = bufnr, desc = desc })
   end
 
-  nmap('<leader>rn', vim.lsp.buf.rename, '[R]e[n]ame')
+  -- nmap('<leader>rn', vim.lsp.buf.rename, '[R]e[n]ame')
-  nmap('<leader>ca', vim.lsp.buf.code_action, '[C]ode [A]ction')
+  -- nmap('<leader>ca', vim.lsp.buf.code_action, '[C]ode [A]ction')
+  nmap('<leader>rn', ":Lspsaga rename<CR>", '[R]e[n]ame')
+  nmap('<leader>ca', ":Lspsaga code_action<CR>", '[C]ode [A]ction')
+
+  -- nmap('gd', vim.lsp.buf.definition, '[G]oto [D]efinition')
+  nmap("gp", ":Lspsaga peek_definition<CR>", "[gP]eek [D]efinition")
+  nmap('gd', ":Lspsaga goto_definition<CR>", '[G]oto [D]efinition')
+  nmap('gh', ":Lspsaga lsp_finder<CR>", '[G]oto [H]elp')
+
 
-  nmap('gd', vim.lsp.buf.definition, '[G]oto [D]efinition')
   nmap('gr', require('telescope.builtin').lsp_references, '[G]oto [R]eferences')
   nmap('gI', vim.lsp.buf.implementation, '[G]oto [I]mplementation')
-  nmap('<leader>D', vim.lsp.buf.type_definition, 'Type [D]efinition')
+
+  -- nmap('<leader>D', vim.lsp.buf.type_definition, 'Type [D]efinition')
+  nmap('<leader>D', ":Lspsaga peek_type_definition<CR>", 'Type [D]efinition')
+
   nmap('<leader>ds', require('telescope.builtin').lsp_document_symbols, '[D]ocument [S]ymbols')
   nmap('<leader>ws', require('telescope.builtin').lsp_dynamic_workspace_symbols, '[W]orkspace [S]ymbols')
 
   -- See `:help K` for why this keymap
-  nmap('K', vim.lsp.buf.hover, 'Hover Documentation')
+  -- nmap('K', vim.lsp.buf.hover, 'Hover Documentation')
+  nmap('K', ":Lspsaga hover_doc<CR>", 'Hover Documentation')
   -- nmap('<C-K>', vim.lsp.buf.signature_help, 'Signature Documentation')
 
   -- Lesser used LSP functionality
@@ -409,6 +433,10 @@ local on_attach = function(_, bufnr)
     print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
   end, '[W]orkspace [L]ist Folders')
 
+
+  -- Toggle outline
+  nkeymap("<leader>o", ":Lspsaga outline<CR>", '[O]utline')
+
   -- Create a command `:Format` local to the LSP buffer
   vim.api.nvim_buf_create_user_command(bufnr, 'Format', function(_)
     vim.lsp.buf.format()
@@ -504,6 +532,7 @@ cmp.setup {
   sources = {
     { name = 'nvim_lsp' },
     { name = 'luasnip' },
+    { name = 'buffer' },
   },
 }