From ae77406a6446e6989c5a4ecb020d3a48036fde51 Mon Sep 17 00:00:00 2001
From: siduck <siduck@tutanota.com>
Date: Tue, 28 Jun 2022 20:09:02 +0530
Subject: [PATCH]  fix #1276

---
 lua/core/utils.lua | 35 +++++++++++++++--------------------
 lua/ui/tabline.lua | 35 ++++++++++++++++++++++-------------
 2 files changed, 37 insertions(+), 33 deletions(-)

diff --git a/lua/core/utils.lua b/lua/core/utils.lua
index 92e5100..45ae3e0 100644
--- a/lua/core/utils.lua
+++ b/lua/core/utils.lua
@@ -5,24 +5,14 @@ local merge_tb = vim.tbl_deep_extend
 
 M.close_buffer = function(bufnr)
    if vim.bo.buftype == "terminal" then
-      if vim.bo.buflisted then
-         vim.bo.buflisted = false
-         vim.cmd "enew"
-      else
-         vim.cmd "hide"
-      end
-      return
+      vim.cmd(vim.bo.buflisted and "set nobl | enew" or "hide")
+   elseif vim.bo.modified then
+      print "save the file bruh"
+   else
+      bufnr = bufnr or api.nvim_get_current_buf()
+      require("core.utils").tabuflinePrev()
+      vim.cmd("bd" .. bufnr)
    end
-
-   -- if file doesnt exist & its modified
-   if vim.bo.modified then
-      print "save the file!"
-      return
-   end
-
-   bufnr = bufnr or api.nvim_get_current_buf()
-   require("core.utils").tabuflinePrev()
-   vim.cmd("bd" .. bufnr)
 end
 
 M.load_config = function()
@@ -144,7 +134,6 @@ M.merge_plugins = function(default_plugins)
    return final_table
 end
 
-
 M.load_override = function(default_table, plugin_name)
    local user_table = M.load_config().plugins.override[plugin_name] or {}
    user_table = type(user_table) == "table" and user_table or user_table()
@@ -225,13 +214,19 @@ end
 
 -- closes tab + all of its buffers
 M.closeAllBufs = function(action)
-   local bufs = vim.t.bufs or {}
+   local bufs = vim.t.bufs
+
+   if action == "closeTab" then
+      vim.cmd "tabclose"
+   end
 
    for _, buf in ipairs(bufs) do
       M.close_buffer(buf)
    end
 
-   vim.cmd(action == "closeTab" and "tabclose" or "enew")
+   if action ~= "closeTab" then
+      vim.cmd "enew"
+   end
 end
 
 return M
diff --git a/lua/ui/tabline.lua b/lua/ui/tabline.lua
index 49ce0a7..0307bbc 100644
--- a/lua/ui/tabline.lua
+++ b/lua/ui/tabline.lua
@@ -39,15 +39,20 @@ local function new_hl(group1, group2)
    return "%#" .. "Tbline" .. group1 .. group2 .. "#"
 end
 
+local function getNvimTreeWidth()
+   for _, win in pairs(api.nvim_tabpage_list_wins(0)) do
+      if vim.bo[api.nvim_win_get_buf(win)].ft == "NvimTree" then
+         return api.nvim_win_get_width(win) + 1
+      end
+   end
+   return 0
+end
+
 local M = {}
 
 -- covers area of nvimtree on tabufline
-M.Offset = function()
-   for _, win in pairs(api.nvim_tabpage_list_wins(0)) do
-      if vim.bo[api.nvim_win_get_buf(win)].ft == "NvimTree" then
-         return "%#NvimTreeNormal#" .. string.rep(" ", api.nvim_win_get_width(win) + 1)
-      end
-   end
+M.NvimTreeOffset = function()
+   return "%#NvimTreeNormal#" .. string.rep(" ", getNvimTreeWidth())
 end
 
 local function add_fileInfo(name, bufnr)
@@ -66,7 +71,7 @@ local function add_fileInfo(name, bufnr)
          or new_hl(icon_hl, "TbLineBufOff") .. " " .. icon
       )
 
-      name = (#name > 20 and string.sub(name, 1, 15) .. "...") or name
+      name = (#name > 15 and string.sub(name, 1, 13) .. "..") or name
       name = (api.nvim_get_current_buf() == bufnr and "%#TbLineBufOn# " .. name .. " ")
          or ("%#TbLineBufOff# " .. name .. " ")
 
@@ -77,24 +82,28 @@ end
 M.bufferlist = function()
    local buffers = ""
 
-   for _, nr in ipairs(vim.t.bufs or {}) do -- buf = bufnr
+   for index, nr in ipairs(vim.t.bufs or {}) do -- buf = bufnr
       if api.nvim_buf_is_valid(nr) then
+         local close_btn = "%" .. nr .. "@TbKillBuf@ %X"
          local name = (#api.nvim_buf_get_name(nr) ~= 0) and fn.fnamemodify(api.nvim_buf_get_name(nr), ":t")
             or " No Name "
-         local close_btn = "%" .. nr .. "@TbKillBuf@ %X"
+
          name = "%" .. nr .. "@TbGoToBuf@" .. add_fileInfo(name, nr) .. "%X"
 
          -- color close btn for focused / hidden  buffers
          if nr == api.nvim_get_current_buf() then
-            close_btn = (vim.bo[0].modified and "%#TbLineBufOnModified# ") or ("%#TbLineBufOnClose#" .. close_btn)
+            close_btn = (vim.bo[0].modified and "%" .. nr .. "@TbKillBuf@%#TbLineBufOnModified# ")
+               or ("%#TbLineBufOnClose#" .. close_btn)
             name = "%#TbLineBufOn#" .. name .. close_btn
          else
-            close_btn = (vim.bo[nr].modified and "%#TbBufLineBufOffModified# ")
+            close_btn = (vim.bo[nr].modified and "%" .. nr .. "@TbKillBuf@%#TbBufLineBufOffModified# ")
                or ("%#TbLineBufOffClose#" .. close_btn)
             name = "%#TbLineBufOff#" .. name .. close_btn
          end
 
-         buffers = buffers .. name
+         -- 1 buffer tab = 21 whitespaces
+         buffers = (21 * index + getNvimTreeWidth() < vim.o.columns - getNvimTreeWidth()) and buffers .. name
+            or buffers .. ""
       end
    end
 
@@ -130,7 +139,7 @@ M.buttons = function()
 end
 
 M.run = function()
-   return (M.Offset() or "") .. M.bufferlist() .. (M.tablist() or "") .. M.buttons()
+   return M.NvimTreeOffset() .. M.bufferlist() .. (M.tablist() or "") .. M.buttons()
 end
 
 M = vim.tbl_deep_extend("force", M, require("core.utils").load_config().ui.tabufline.override)