From c003626deef70b900a5768f40759f6c53d2effb3 Mon Sep 17 00:00:00 2001
From: kiyan42 <yazdani.kiyan@protonmail.com>
Date: Fri, 3 Apr 2020 11:50:14 +0200
Subject: [PATCH] make linking of default groups for tree style and add docs

---
 README.md             |  2 +-
 doc/nvim-tree-lua.txt | 10 ++++++++++
 doc/tags              |  1 +
 lua/lib/colors.lua    | 14 ++++++++++++--
 lua/lib/config.lua    |  1 +
 lua/lib/winutils.lua  |  2 +-
 plugin/tree.vim       |  4 ----
 7 files changed, 26 insertions(+), 8 deletions(-)

diff --git a/README.md b/README.md
index 38ee417a..e2bd12d3 100644
--- a/README.md
+++ b/README.md
@@ -39,9 +39,9 @@ nnoremap <leader>n :LuaTreeFindFile<CR>
 " example configuration:
 set termguicolors " this variable must be enabled for colors to be applied properly
 
+" a list of groups can be found in `:help lua_tree_highlight`
 highlight LuaTreeFolderName guibg=cyan gui=bold,underline
 highlight LuaTreeFolderIcon guibg=blue
-" ...
 ```
 
 ## KeyBindings
diff --git a/doc/nvim-tree-lua.txt b/doc/nvim-tree-lua.txt
index 747b7d0f..e4f7370e 100644
--- a/doc/nvim-tree-lua.txt
+++ b/doc/nvim-tree-lua.txt
@@ -134,6 +134,8 @@ Mouse support defined in |KeyBindings|
 ==============================================================================
 HIGHLIGHT GROUPS				        *nvim-tree-highlight*
 
+|lua_tree_highlight|				        *lua_tree_highlight*
+
 All the following highlight groups can be configured by hand. It is not
 advised to colorize the background of these groups.
 
@@ -175,5 +177,13 @@ LuaTreeGitMerge
 LuaTreeGitRenamed 
 LuaTreeGitNew 
 
+There are also links to normal bindings to style the tree itself.
+
+Normal
+EndOfBuffer
+CursorLine
+VertSplit
+CursorColumn
+
  vim:tw=78:ts=8:noet:ft=help:norl:
 
diff --git a/doc/tags b/doc/tags
index 754d05ed..a9ea49b6 100644
--- a/doc/tags
+++ b/doc/tags
@@ -8,6 +8,7 @@ g:lua_tree_ignore	nvim-tree-lua.txt	/*g:lua_tree_ignore*
 g:lua_tree_show_icons	nvim-tree-lua.txt	/*g:lua_tree_show_icons*
 g:lua_tree_side	nvim-tree-lua.txt	/*g:lua_tree_side*
 g:lua_tree_size	nvim-tree-lua.txt	/*g:lua_tree_size*
+lua_tree_highlight	nvim-tree-lua.txt	/*lua_tree_highlight*
 nvim-tree-commands	nvim-tree-lua.txt	/*nvim-tree-commands*
 nvim-tree-features	nvim-tree-lua.txt	/*nvim-tree-features*
 nvim-tree-highlight	nvim-tree-lua.txt	/*nvim-tree-highlight*
diff --git a/lua/lib/colors.lua b/lua/lib/colors.lua
index 49768db2..ed338919 100644
--- a/lua/lib/colors.lua
+++ b/lua/lib/colors.lua
@@ -32,9 +32,15 @@ local HIGHLIGHTS = {
     GitStaged = { fg = colors.green },
     GitMerge = { fg = colors.orange },
     GitRenamed = { fg = colors.purple },
-    GitNew = { fg = colors.yellow },
+    GitNew = { fg = colors.yellow }
+}
 
-    EndOfBuffer = { fg = 'bg' }
+local LINKS = {
+    Normal = 'Normal',
+    EndOfBuffer = 'EndOfBuffer',
+    CursorLine = 'CursorLine',
+    VertSplit = 'VertSplit',
+    CursorColumn = 'CursorColumn'
 }
 
 local function init_colors()
@@ -42,6 +48,10 @@ local function init_colors()
         local gui = d.gui or 'NONE'
         vim.api.nvim_command('hi def LuaTree'..k..' gui='..gui..' guifg='..d.fg)
     end
+
+    for k, d in pairs(LINKS) do
+        vim.api.nvim_command('hi def link LuaTree'..k..' '..d)
+    end
 end
 
 return {
diff --git a/lua/lib/config.lua b/lua/lib/config.lua
index fcedf901..603031a9 100644
--- a/lua/lib/config.lua
+++ b/lua/lib/config.lua
@@ -26,6 +26,7 @@ local colors = {
     orange = get('terminal_color_11', 'Orange'),
     dark_red = get('terminal_color_9', 'DarkRed'),
 }
+
 return {
     SHOW_FOLDER_ICON = SHOW_FOLDER_ICON,
     SHOW_FILE_ICON = SHOW_FILE_ICON,
diff --git a/lua/lib/winutils.lua b/lua/lib/winutils.lua
index d9a4273a..71fd51c5 100644
--- a/lua/lib/winutils.lua
+++ b/lua/lib/winutils.lua
@@ -71,7 +71,7 @@ local function open()
     api.nvim_command('vertical resize '..WIN_WIDTH)
     api.nvim_win_set_buf(0, buf)
 
-    api.nvim_command('setlocal winhighlight=EndOfBuffer:LuaTreeEndOfBuffer')
+    api.nvim_command('setlocal winhighlight=EndOfBuffer:LuaTreeEndOfBuffer,Normal:LuaTreeNormal,CursorLine:LuaTreeCursorLine,VertSplit:LuaTreeVertSplit')
     for _, opt in pairs(BUF_OPTIONS) do
         api.nvim_command('setlocal '..opt)
     end
diff --git a/plugin/tree.vim b/plugin/tree.vim
index 905cf024..17b12193 100644
--- a/plugin/tree.vim
+++ b/plugin/tree.vim
@@ -18,10 +18,6 @@ if get(g:, 'lua_tree_auto_open') != 0
     au VimEnter * lua require'tree'.check_buffer_and_open()
 endif
 
-" TODO set status line dynamically on bufenter in the luatree
-" to remove lightline and other possible components
-au BufEnter LuaTree setlocal statusline="" 
-
 if get(g:, 'lua_tree_follow') != 0
     au BufEnter * :LuaTreeFindFile
 endif