Adding tab information to statusline

[KodyVB]

Contributing guidelines

• I have read CODE_OF_CONDUCT.md

Module(s)

mini.statusline

Question

I don't like to use a dedicated tabline, opting to have an indicator for the tabs in the statusline instead. With the lualine plugin, it has a "tabs" option which would show one number for each tab, with your current tab being highlighted. I was wondering if there is an easy way to get tab information into mini.statusline, like getting "current tab number | total tab number" similar to how it has "current row number | total row number".

I'm not sure if there's an easy way to add that section to the existing config or if I'd have to redefine a bunch of defaults or something.

[krovuxdev]

@KodyVB Does this work for you?
vim.fn.tabpagenr('$') gives the total number of tabs,
while vim.fn.tabpagenr() gives the current tab number.

[echasnovski]

As @krovuxdev suggested, using vim.fn.tabpagenr() is the way here. For example, like this:

local content_active = function()
  local mode, mode_hl = MiniStatusline.section_mode({ trunc_width = 120 })
  local git = MiniStatusline.section_git({ trunc_width = 40 })
  local diff = MiniStatusline.section_diff({ trunc_width = 75 })
  local diagnostics = MiniStatusline.section_diagnostics({ trunc_width = 75 })
  local lsp = MiniStatusline.section_lsp({ trunc_width = 75 })
  local filename = MiniStatusline.section_filename({ trunc_width = 140 })
  local fileinfo = MiniStatusline.section_fileinfo({ trunc_width = 120 })
  local location = MiniStatusline.section_location({ trunc_width = 75 })
  local search = MiniStatusline.section_searchcount({ trunc_width = 75 })

  local tabpage_info = vim.fn.tabpagenr() .. '│' .. vim.fn.tabpagenr('$')

  return MiniStatusline.combine_groups({
    { hl = mode_hl, strings = { mode } },
    { hl = 'MiniStatuslineDevinfo', strings = { git, diff, diagnostics, lsp } },
    '%<', -- Mark general truncate point
    { hl = 'MiniStatuslineFilename', strings = { filename } },
    '%=', -- End left alignment
    { hl = 'MiniStatuslineFileinfo', strings = { fileinfo } },
    { hl = mode_hl, strings = { search, location, tabpage_info } },
  })
end
require('mini.statusline').setup({ content = { active = content_active } })

[KodyVB]

I see, thanks. With it laid out like that it makes sense but for some reason I just wasn't making the connection between the function, content.active, and whether or not you'd need to redefine the whole function as opposed to there being some Lua way to just extend/add to it easily.

[echasnovski]

I hoped that this comment would be informative enough. But yeah, maybe there needs to be some more details about it.