From c72d877c3374796a1e4b71481503225d59a9afc7 Mon Sep 17 00:00:00 2001
From: luukvbaal <luukvbaal@gmail.com>
Date: Wed, 20 Mar 2024 14:59:04 +0100
Subject: fix(cmdline): wrong 'incsearch' highlighting after :redraw (#27947)

Problem:  Calling :redraw from a timer callback clears 'incsearch' highlighting.
Solution: Re-apply 'incsearch' highlighting if the screen was updated.
---
 test/functional/ui/searchhl_spec.lua | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'test/functional/ui')

diff --git a/test/functional/ui/searchhl_spec.lua b/test/functional/ui/searchhl_spec.lua
index a05436cf55..a702de5dc7 100644
--- a/test/functional/ui/searchhl_spec.lua
+++ b/test/functional/ui/searchhl_spec.lua
@@ -674,4 +674,18 @@ describe('search highlighting', function()
       :%g@a/b^                                 |
     ]])
   end)
+
+  it('incsearch is still visible after :redraw from K_EVENT', function()
+    fn.setline(1, { 'foo', 'bar' })
+    feed('/foo<CR>/bar')
+    screen:expect([[
+      foo                                     |
+      {3:bar}                                     |
+      {1:~                                       }|*4
+      /bar^                                    |
+    ]])
+    command('redraw!')
+    -- There is an intermediate state where :redraw! removes 'incsearch' highlight.
+    screen:expect_unchanged(true)
+  end)
 end)
-- 
cgit