From ecaece926e5171d17c8f52993bbb4ee202cc2239 Mon Sep 17 00:00:00 2001
From: "neovim-backports[bot]"
 <175700243+neovim-backports[bot]@users.noreply.github.com>
Date: Fri, 28 Feb 2025 00:22:31 +0000
Subject: [PATCH] vim-patch:9.1.1155: Mode message not cleared after :silent
 message (#32672)

Problem:  Mode message not cleared after :silent message
          (after 9.0.1634).
Solution: Don't reset mode_displayed when the message is empty.
          (zeertzjq)

fixes: neovim/neovim#32641
closes: vim/vim#16744

https://github.com/vim/vim/commit/fce1fa5b618458f6f10028faadc9a9ddc227fe76
(cherry picked from commit df0328521f17766df9e1a8970bf5adee39b78192)

Co-authored-by: zeertzjq <zeertzjq@outlook.com>
---
 src/nvim/message.c                       |  2 +-
 test/functional/legacy/messages_spec.lua | 28 ++++++++++++++++++++++++
 test/old/testdir/test_messages.vim       | 23 +++++++++++++++++++
 3 files changed, 52 insertions(+), 1 deletion(-)

diff --git a/src/nvim/message.c b/src/nvim/message.c
index 10b90bde29..89e8e4c632 100644
--- a/src/nvim/message.c
+++ b/src/nvim/message.c
@@ -1576,7 +1576,7 @@ int msg_outtrans_len(const char *msgstr, int len, int attr)
 
   // When drawing over the command line no need to clear it later or remove
   // the mode message.
-  if (msg_row >= cmdline_row && msg_col == 0) {
+  if (msg_silent == 0 && len > 0 && msg_row >= cmdline_row && msg_col == 0) {
     clear_cmdline = false;
     mode_displayed = false;
   }
diff --git a/test/functional/legacy/messages_spec.lua b/test/functional/legacy/messages_spec.lua
index 2f3693b5ad..2ab946ccc7 100644
--- a/test/functional/legacy/messages_spec.lua
+++ b/test/functional/legacy/messages_spec.lua
@@ -89,6 +89,34 @@ describe('messages', function()
     ]])
   end)
 
+  -- oldtest: Test_mode_cleared_after_silent_message()
+  it('mode is cleared properly after slient message', function()
+    screen = Screen.new(60, 10)
+    screen:attach()
+    exec([[
+      edit XsilentMessageMode.txt
+      call setline(1, 'foobar')
+      autocmd TextChanged * silent update
+    ]])
+    finally(function()
+      os.remove('XsilentMessageMode.txt')
+    end)
+
+    feed('v')
+    screen:expect([[
+      ^foobar                                                      |
+      {1:~                                                           }|*8
+      {5:-- VISUAL --}                                                |
+    ]])
+
+    feed('d')
+    screen:expect([[
+      ^oobar                                                       |
+      {1:~                                                           }|*8
+                                                                  |
+    ]])
+  end)
+
   describe('more prompt', function()
     before_each(function()
       command('set more')
diff --git a/test/old/testdir/test_messages.vim b/test/old/testdir/test_messages.vim
index ac5184645f..8836071ac1 100644
--- a/test/old/testdir/test_messages.vim
+++ b/test/old/testdir/test_messages.vim
@@ -386,6 +386,29 @@ func Test_message_not_cleared_after_mode()
   call StopVimInTerminal(buf)
 endfunc
 
+func Test_mode_cleared_after_silent_message()
+  CheckRunVimInTerminal
+
+  let lines =<< trim END
+    edit XsilentMessageMode.txt
+    call setline(1, 'foobar')
+    autocmd TextChanged * silent update
+  END
+  call writefile(lines, 'XsilentMessageMode', 'D')
+  let buf = RunVimInTerminal('-S XsilentMessageMode', {'rows': 10})
+
+  call term_sendkeys(buf, 'v')
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_mode_cleared_after_silent_message_1', {})
+
+  call term_sendkeys(buf, 'd')
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_mode_cleared_after_silent_message_2', {})
+
+  call StopVimInTerminal(buf)
+  call delete('XsilentMessageMode.txt')
+endfunc
+
 " Test verbose message before echo command
 func Test_echo_verbose_system()
   CheckRunVimInTerminal