added tabby and telescope tab for managing tabs in nvim

lua/custom/plugins/tabby.lua

@@ -0,0 +1,115 @@
+local theme = {
+  fill = 'TabLineFill',
+  head = 'TabLine',
+  current_tab = 'TabLineSel',
+  tab = 'TabLine',
+  win = 'TabLine',
+  tail = 'TabLine',
+}
+
+local open_tabs = {}
+local tab_name = function(tab)
+  local api = require 'tabby.module.api'
+  local cur_win = api.get_tab_current_win(tab.id)
+  if api.is_float_win(cur_win) then
+    return '[Floating]'
+  end
+  local current_bufnr = vim.fn.getwininfo(cur_win)[1].bufnr
+  local current_bufinfo = vim.fn.getbufinfo(current_bufnr)[1]
+  local current_buf_name = vim.fn.fnamemodify(current_bufinfo.name, ':t')
+  -- local no_extension = vim.fn.fnamemodify(current_bufinfo.name, ":p:r")
+
+  if string.find(current_buf_name, 'NvimTree') ~= nil then
+    return '[File Explorer]'
+  end
+
+  if current_buf_name == 'NeogitStatus' then
+    return '[Neogit]'
+  end
+
+  if open_tabs[current_bufinfo.name] == nil then
+    local project_name = vim.fn.fnamemodify(vim.fn.getcwd(), ':p:h:t')
+    open_tabs[current_bufinfo.name] = project_name
+  end
+
+  if current_buf_name == '' then
+    return '[Empty]'
+  else
+    if open_tabs[current_bufinfo.name] == nil then
+      return current_buf_name
+    end
+
+    return open_tabs[current_bufinfo.name] .. ':' .. current_buf_name
+  end
+end
+
+local tab_count = function()
+  local num_tabs = #vim.api.nvim_list_tabpages()
+
+  if num_tabs > 1 then
+    local tabpage_number = tostring(vim.api.nvim_tabpage_get_number(0))
+    return tabpage_number .. '/' .. tostring(num_tabs)
+  end
+end
+
+local change_mark = function(tab)
+  local already_marked = false
+  return tab.wins().foreach(function(win)
+    local bufnr = vim.fn.getwininfo(win.id)[1].bufnr
+    local bufinfo = vim.fn.getbufinfo(bufnr)[1]
+    if not already_marked and bufinfo.changed == 1 then
+      already_marked = true
+      return ' '
+    else
+      return ''
+    end
+  end)
+end
+
+local window_count = function(tab)
+  local api = require 'tabby.module.api'
+  local win_count = #api.get_tab_wins(tab.id)
+  if win_count == 1 then
+    return ''
+  else
+    return '[' .. win_count .. ']'
+  end
+end
+
+return {
+  'nanozuki/tabby.nvim',
+  event = 'VeryLazy',
+  config = function()
+    require('tabby.tabline').set(function(line)
+      return {
+        {
+          { ' 󰓩  ', hl = theme.head },
+          { tab_count(), hl = theme.head },
+          -- line.sep(" ", theme.head, theme.fill),
+          line.sep(' ', theme.head, theme.fill),
+        },
+        line.tabs().foreach(function(tab)
+          local hl = tab.is_current() and theme.current_tab or theme.tab
+          return {
+            -- line.sep("", hl, theme.fill),
+            line.sep('', hl, theme.fill),
+            tab.is_current() and '' or '',
+            tab_name(tab),
+            -- tab.close_btn("󰅖 "),
+            -- window_count(tab),
+            -- change_mark(tab),
+            -- line.sep(" ", hl, theme.fill),
+            line.sep(' ', hl, theme.fill),
+            hl = hl,
+            margin = ' ',
+          }
+        end),
+        hl = theme.fill,
+      }
+    end, {
+      buf_name = {
+        mode = 'unique',
+      },
+    })
+  end,
+}

lua/custom/plugins/telescope-tab.lua

@@ -0,0 +1,26 @@
+local M = {
+  'LukasPietzschmann/telescope-tabs',
+  event = 'VeryLazy',
+}
+
+function M.config()
+  local wk = require 'which-key'
+  wk.register {
+    ['<leader>aa'] = {
+      "<cmd>lua require('telescope').extensions['telescope-tabs'].list_tabs(require('telescope.themes').get_dropdown{previewer = false, initial_mode='normal', prompt_title='Tabs'})<cr>",
+      'Find Tabs',
+    },
+  }
+
+  require('telescope-tabs').setup {
+    show_preview = false,
+    close_tab_shortcut_i = '<C-d>', -- if you're in insert mode
+    close_tab_shortcut_n = 'dd', -- if you're in normal mode
+    entry_formatter = function(tab_id, buffer_ids, file_names, file_paths, is_current)
+      local entry_string = table.concat(file_names, ', ')
+      return string.format('%d: %s%s', tab_id, entry_string, is_current and ' ' or '')
+    end,
+  }
+end
+
+return M