mirror of
https://github.com/hyzendust/KickestEnd.nvim.git
synced 2026-02-15 00:21:15 +01:00
67 lines
2.0 KiB
Lua
67 lines
2.0 KiB
Lua
-- Custom native-looking tabline that matches Kanagawa theme
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-- This module creates a fixed-width, scrollable tabline that
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local M = {}
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local max_visible_tabs = 8 -- maximum number of tabs visible at once
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local tab_offset = 1
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function M.tabline()
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local current_tab = vim.fn.tabpagenr()
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local tab_count = vim.fn.tabpagenr '$'
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local win_width = vim.o.columns
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local tab_width = math.floor(win_width / max_visible_tabs) -- FIXED width
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local tabs = {}
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for i = 1, tab_count do
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local buflist = vim.fn.tabpagebuflist(i)
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local winnr = vim.fn.tabpagewinnr(i)
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local bufname = vim.fn.bufname(buflist[winnr])
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if bufname == '' then
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bufname = '[No Name]'
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end
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local modified = vim.fn.getbufvar(buflist[winnr], '&mod') == 1 and ' ●' or ''
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local label = i .. ': ' .. vim.fn.fnamemodify(bufname, ':t') .. modified
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-- truncate/pad to fixed tab_width
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if #label > tab_width - 2 then
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label = label:sub(1, tab_width - 3) .. '…'
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end
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label = label .. string.rep(' ', tab_width - #label)
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tabs[i] = (i == current_tab and '%#TabLineSel#' or '%#TabLine#') .. label
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end
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-- scrolling logic to keep active tab visible
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local start_index = tab_offset
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if current_tab < start_index then
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start_index = current_tab
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elseif current_tab >= start_index + max_visible_tabs then
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start_index = current_tab - max_visible_tabs + 1
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end
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tab_offset = start_index
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-- select visible tabs
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local visible_tabs = {}
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for i = start_index, math.min(start_index + max_visible_tabs - 1, tab_count) do
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table.insert(visible_tabs, tabs[i])
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end
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-- scrolling arrows
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local left_arrow = start_index > 1 and '< ' or ' '
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local right_arrow = start_index + max_visible_tabs - 1 < tab_count and ' >' or ' '
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return '%#TabLine#' .. left_arrow .. table.concat(visible_tabs, '') .. right_arrow .. '%#TabLineFill#'
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end
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-- adjust offset if tabs are closed
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vim.api.nvim_create_autocmd({ 'TabClosed' }, {
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callback = function()
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local tab_count = vim.fn.tabpagenr '$'
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if tab_offset > tab_count then
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tab_offset = math.max(tab_count - max_visible_tabs + 1, 1)
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end
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end,
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})
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return M
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