feat(#2415): colour and highlight overhaul, see :help nvim-tree-highlight-overhaul (#2455)

* feat(#2415): granular highlight_diagnostics, normalise groups (#2454)

* chore: normalise colours and enable cterm (#2471)

* feat(#2415): granular highlight_git, normalise git groups (#2487)

* docs: update CONTRIBUTING.md (#2485)

* feat(#2415): granular highlight_git, normalise git groups

* feat(#2415): normalise and add modified groups

* feat(#2415): create Decorator class for modified and bookmarks

* feat(#2415): create DecoratorDiagnostics

* feat(#2415): create DecoratorGit

* feat(#2415): create DecoratorGit

* add DecoratorCopied DecoratorCut

* add DecoratorOpened

* remove unloaded_bufnr checks as the view debouncer takes care of it

* Add `renderer.highlight_git` to accepted strings

* fix(#2415): builder refactor (#2538)

* simplify builder signs

* decorators take care of themselves and are priority ordered

* simplify builder hl groups

* refactor builder for icon arrays

* builder use decorators generically

* fix(#2415): harden sign creation (#2539)

* fix(#2415): harden unicode signs

* Decorator tidy

* normalise git sign creation and tidy

* tidy builder

* NvimTreeBookmarkIcon

* tidy HL doc

* tidy HL doc

* tidy HL doc

* tidy builder doc

* standardise on '---@param'

* DiagnosticWarning -> DiagnosticWarn

* annotate decorators

* limit to two highlight groups for line rendering

* style

* apply #2519

* feat(#2415): combined hl groups (#2601)

* feat(#2415): create combined highlight groups

* feat(#2415): create combined highlight groups

* feat(#2415): create combined highlight groups

* ci: allow workflow_dispatch (#2620)

* one and only one hl namespace, required winhl removal

* small tidies

* colors.lua -> appearance.lua

* full-name uses one and only namespace

* don't highlight fast, just apply to namespace, safer win_set_hl

* gut builder (#2622)

collapse Builder

* fix group_empty function check

* feat(#2415): highlight-overhaul release date

---------

Co-authored-by: Akmadan23 <azadahmadi@mailo.com>

lua/nvim-tree/view.lua

@@ -1,3 +1,4 @@
+local appearance = require "nvim-tree.appearance"
 local events = require "nvim-tree.events"
 local utils = require "nvim-tree.utils"
 local log = require "nvim-tree.log"
@@ -38,19 +39,6 @@ M.View = {
     cursorlineopt = "both",
     colorcolumn = "0",
     wrap = false,
-    winhl = table.concat({
-      "EndOfBuffer:NvimTreeEndOfBuffer",
-      "CursorLine:NvimTreeCursorLine",
-      "CursorLineNr:NvimTreeCursorLineNr",
-      "LineNr:NvimTreeLineNr",
-      "WinSeparator:NvimTreeWinSeparator",
-      "StatusLine:NvimTreeStatusLine",
-      "StatusLineNC:NvimTreeStatuslineNC",
-      "SignColumn:NvimTreeSignColumn",
-      "Normal:NvimTreeNormal",
-      "NormalNC:NvimTreeNormalNC",
-      "NormalFloat:NvimTreeNormalFloat",
-    }, ","),
   },
 }
 
@@ -147,6 +135,9 @@ local function set_window_options_and_buffer()
     vim.opt_local[k] = v
   end
   vim.opt.eventignore = eventignore
+
+  -- use highlights from the nvim_tree namespace
+  vim.api.nvim_win_set_hl_ns(M.get_winnr(), appearance.NS_ID)
 end
 
 ---@return table
@@ -539,13 +530,6 @@ function M.is_root_folder_visible(cwd)
   return cwd ~= "/" and not M.View.hide_root_folder
 end
 
--- used on ColorScheme event
-function M.reset_winhl()
-  if M.get_winnr() and vim.api.nvim_win_is_valid(M.get_winnr()) then
-    vim.wo[M.get_winnr()].winhl = M.View.winopts.winhl
-  end
-end
-
 function M.setup(opts)
   local options = opts.view or {}
   M.View.centralize_selection = options.centralize_selection