feat: quickfix extension (#229)

* feat: quickfix extension

README.md

@@ -387,11 +387,12 @@ extensions = { 'fzf' }
 <details>
 <summary><b>Available extensions</b></summary>
 
+* chadtree
 * fugitive
 * fzf
 * nerdtree
-* chadtree
 * nvim-tree
+* quickfix
 
 </details>
 

doc/lualine.txt

@@ -506,11 +506,12 @@ using a plugin which is supported you can load it this way:
 <
 
 Available extensions
+    * chadtree
     * fugitive
     * fzf
     * nerdtree
-    * chadtree
     * nvim-tree
+    * quickfix
 
 --------------------------------------------------------------------------------
 CONGIG EXAMPLES                                        *lualine_config_examples*

lua/lualine/extensions/quickfix.lua

@@ -0,0 +1,19 @@
+-- Copyright (c) 2020-2021 hoob3rt
+-- MIT license, see LICENSE for more details.
+local function quickfix() return 'Quickfix List' end
+
+local function quickfix_title() return vim.fn.getqflist({title = 0}).title end
+
+local M = {}
+
+M.sections = {
+  lualine_a = {quickfix},
+  lualine_b = {quickfix_title},
+  lualine_z = {'location'}
+}
+
+M.inactive_sections = vim.deepcopy(M.sections)
+
+M.filetypes = {'qf'}
+
+return M