adding barbar, a tab line for nvim

.config/nvim/init.lua

@@ -56,6 +56,9 @@ require('user.folding')
 -- syntax highlgihting for hex codes
 require('user.nvim-colorizer')
 
+-- tab line at top of window for tabs when there's more than one tab :)
+require('user.barbar')
+
 -- status line at bottom of window for cool file facts 
 require('user.lualine')
 

.config/nvim/lua/plugins.lua

@@ -17,22 +17,18 @@ return require('packer').startup(function(use)
     -- Packer, our neovim plugin manager, can manage itself
     use {'wbthomason/packer.nvim'}
 
+    -- ------------ makes sure the nerdfont icons are available --------------
+    use { 'nvim-tree/nvim-web-devicons' }
+
     -- -------------------- startup screen for neovim ------------------------
     use {'glepnir/dashboard-nvim'}
 
-    -- quick session manager (requires :PackerCompile) I don't use this a lot
-    --use({'glepnir/dbsession.nvim',
-    --     event = 'BufRead',
-    --     config = function() require('dbsession').setup({}) end
-    --})
-
     -- cute halloween dashboard for neovim start screen :3
     -- use {'folke/drop.nvim'}
 
     -- -------------------------- status line --------------------------------
-    -- may replace soon, because it is very crowded
     use {'nvim-lualine/lualine.nvim',
-         requires = { 'kyazdani42/nvim-web-devicons', opt = true }
+         requires = { 'nvim-tree/nvim-web-devicons', opt = true }
     }
 
     -- -------------------- floating window plugins --------------------------
@@ -40,8 +36,7 @@ return require('packer').startup(function(use)
     use {"numToStr/FTerm.nvim"}
 
     -- floating window for k9s (k8s dashboard TUI)
-    use {'hsalem7/nvim-k8s',
-         commit = 'f216b1736e6fb41fdbca1af684d89551151b7e31'}
+    use {'hsalem7/nvim-k8s'}
 
     -- NeoVim UI toolkit that supports floating windows 
     use {'MunifTanjim/nui.nvim'}
@@ -56,6 +51,9 @@ return require('packer').startup(function(use)
     -- ---------------- scroll bar for the right hand side -------------------
     use {"petertriho/nvim-scrollbar"}
 
+    -- ------------------------------ tab line -------------------------------
+    use {'romgrk/barbar.nvim', requires = 'nvim-tree/nvim-web-devicons'}
+
     -- ------------------------------ git ------------------------------------
     -- git plugin for running git commands with :git -- 'tpope/vim-fugitive'
     use {'tpope/vim-fugitive'}
@@ -134,8 +132,37 @@ return require('packer').startup(function(use)
       config = function()
         require("barbecue").setup({
                 show_dirname = false,
-                context_follow_icon_color = true
-                })
+                show_basename = false,
+                context_follow_icon_color = true,
+                kinds = {
+                        File = "",
+                        Module = "",
+                        Namespace = "",
+                        Package = "",
+                        Class = "",
+                        Method = "",
+                        Property = "󰀭",
+                        Field = "🌾",
+                        Constructor = "󰬢",
+                        Enum = "",
+                        Interface = "",
+                        Function = "󰊕",
+                        Variable = "󰫧",
+                        Constant = "",
+                        String = "",
+                        Number = "",
+                        Boolean = "",
+                        Array = "",
+                        Object = "",
+                        Key = "",
+                        Null = "",
+                        EnumMember = "",
+                        Struct = "",
+                        Event = "",
+                        Operator = "",
+                        TypeParameter = "",
+                },
+            })
       end
     })
 

.config/nvim/lua/user/barbar.lua

@@ -0,0 +1,97 @@
+-- Set barbar's options
+require("bufferline").setup({
+  -- Enable/disable animations
+  animation = true,
+
+  -- Enable/disable auto-hiding the tab bar when there is a single buffer
+  auto_hide = true,
+
+  -- Enable/disable current/total tabpages indicator (top right corner)
+  tabpages = true,
+
+  -- Enable/disable close button
+  closable = true,
+
+  -- Enables/disable clickable tabs
+  --  - left-click: go to buffer
+  --  - middle-click: delete buffer
+  clickable = true,
+
+  -- Enables / disables diagnostic symbols
+  diagnostics = {
+    -- you can use a list
+    {enabled = true, icon = 'ff'}, -- ERROR
+    {enabled = false}, -- WARN
+    {enabled = false}, -- INFO
+    {enabled = true},  -- HINT
+
+    -- OR `vim.diagnostic.severity`
+    [vim.diagnostic.severity.ERROR] = {enabled = true, icon = 'ff'},
+    [vim.diagnostic.severity.WARN] = {enabled = false},
+    [vim.diagnostic.severity.INFO] = {enabled = false},
+    [vim.diagnostic.severity.HINT] = {enabled = true},
+  },
+
+  -- Excludes buffers from the tabline
+  -- exclude_ft = {'javascript'},
+  -- exclude_name = {'package.json'},
+
+  -- Hide inactive buffers and file extensions. Other options are `alternate`, `current`, and `visible`.
+  hide = {extensions = true, inactive = true},
+
+  -- Disable highlighting alternate buffers
+  highlight_alternate = false,
+
+  -- Disable highlighting file icons in inactive buffers
+  highlight_inactive_file_icons = false,
+
+  -- Enable highlighting visible buffers
+  highlight_visible = true,
+
+  -- Enable/disable icons
+  -- if set to 'numbers', will show buffer index in the tabline
+  -- if set to 'both', will show buffer index and icons in the tabline
+  icons = true,
+
+  -- If set, the icon color will follow its corresponding buffer
+  -- highlight group. By default, the Buffer*Icon group is linked to the
+  -- Buffer* group (see Highlighting below). Otherwise, it will take its
+  -- default value as defined by devicons.
+  icon_custom_colors = false,
+
+  -- Configure icons on the bufferline.
+  icon_separator_active = '▎',
+  icon_separator_inactive = '▎',
+  icon_close_tab = '',
+  icon_close_tab_modified = '●',
+  icon_pinned = '',
+
+  -- If true, new buffers will be inserted at the start/end of the list.
+  -- Default is to insert after current buffer.
+  insert_at_end = false,
+  insert_at_start = false,
+
+  -- Sets the maximum padding width with which to surround each tab
+  maximum_padding = 1,
+
+  -- Sets the minimum padding width with which to surround each tab
+  minimum_padding = 1,
+
+  -- Sets the maximum buffer name length.
+  maximum_length = 30,
+
+  -- If set, the letters for each buffer in buffer-pick mode will be
+  -- assigned based on their name. Otherwise or in case all letters are
+  -- already assigned, the behavior is to assign letters in order of
+  -- usability (see order below)
+  semantic_letters = true,
+
+  -- New buffer letters are assigned in this order. This order is
+  -- optimal for the qwerty keyboard layout but might need adjustement
+  -- for other layouts.
+  letters = 'asdfjkl;ghnmxcvbziowerutyqpASDFJKLGHNMXCVBZIOWERUTYQP',
+
+  -- Sets the name of unnamed buffers. By default format is "[Buffer X]"
+  -- where X is the buffer number. But only a static string is accepted here.
+  no_name_title = nil,
+})