Custom tabline

nvim/.config/nvim/lua/romanzy/custom/tabline.lua

@@ -0,0 +1,71 @@
+local M = {}
+
+local function truncate_label(label, max_width)
+    if vim.fn.strdisplaywidth(label) <= max_width then
+        return label
+    end
+
+    return vim.fn.strcharpart(label, 0, max_width - 1) .. "…"
+end
+
+local function terminal_label(bufnr)
+    local term_title = vim.b[bufnr].term_title
+    if type(term_title) == "string" and term_title ~= "" then
+        local cmd = vim.fn.fnamemodify(term_title:match("^%S+") or "", ":t")
+        if cmd ~= "" then
+            return cmd
+        end
+    end
+
+    local bufname = vim.api.nvim_buf_get_name(bufnr)
+    local cmd = bufname:match("term://.*:(.+)$")
+    if cmd then
+        local first_word = vim.split(cmd, " ", { plain = true })[1] or ""
+        local basename = vim.fn.fnamemodify(first_word, ":t")
+        if basename ~= "" then
+            return basename
+        end
+    end
+
+    return "terminal"
+end
+
+local function tab_label(tabnr)
+    local buflist = vim.fn.tabpagebuflist(tabnr)
+    local winnr = vim.fn.tabpagewinnr(tabnr)
+    local bufnr = buflist[winnr]
+    local label
+
+    if vim.bo[bufnr].buftype == "terminal" then
+        label = terminal_label(bufnr)
+    else
+        local bufname = vim.api.nvim_buf_get_name(bufnr)
+        label = bufname == "" and "[No Name]" or vim.fn.fnamemodify(bufname, ":t")
+    end
+
+    if vim.bo[bufnr].modified then
+        label = label .. " +"
+    end
+
+    return truncate_label(label, 18)
+end
+
+function M.render()
+    local current = vim.fn.tabpagenr()
+    local last = vim.fn.tabpagenr("$")
+    local parts = {}
+
+    for index = 1, last do
+        parts[#parts + 1] = index == current and "%#TabLineSel#" or "%#TabLine#"
+        parts[#parts + 1] = "%" .. index .. "T"
+        parts[#parts + 1] = " " .. index .. " " .. tab_label(index) .. " "
+    end
+
+    parts[#parts + 1] = "%#TabLineFill#%T"
+
+    return table.concat(parts)
+end
+
+_G.RomanzyTabline = M.render
+
+return M

nvim/.config/nvim/lua/romanzy/options.lua

@@ -32,6 +32,7 @@ o.incsearch = true -- Updates search matches as you type.
 o.updatetime = 50 -- Reduces idle delay for swap and CursorHold events.
 o.spelllang = { "en_us" } -- Uses US English for spell checking.
 o.shell = "bash" -- Runs shell commands through bash.
+o.tabline = "%!v:lua.RomanzyTabline()" -- Shows native tabs with custom labels.
 
 -- Only show the invisible characters inside the code editing buffers
 vim.cmd([[autocmd BufWinEnter * if &buftype != '' | setlocal nolist | endif]])

nvim/.config/nvim/lua/romanzy/plugins.lua

@@ -5,3 +5,6 @@ require("romanzy.plugins.telescope")
 require("romanzy.plugins.nvim-treesitter")
 require("romanzy.plugins.lsp")
 -- require("romanzy.plugins.header42")
+
+-- custom "plugins"
+require("romanzy.custom.tabline")