feat(messages): "verbose" message kind #31991

runtime/doc/news.txt

@@ -96,7 +96,7 @@ EVENTS
   • `msg_show`:
     • `history` argument indicating if the message was added to the history.
     • new message kinds: "bufwrite", "completion", "list_cmd", "lua_print",
-      "search_cmd", "undo", "wildlist".
+      "search_cmd", "undo", "verbose", wildlist".
 
 HIGHLIGHTS
 

runtime/doc/ui.txt

@@ -806,6 +806,7 @@ must handle.
 		"search_cmd"	Entered search command
 		"search_count"	Search count message ("S" flag of 'shortmess')
 		"undo"		|:undo| and |:redo| message
+		"verbose"	'verbose' message
 		"wildlist"	'wildmode' "list" message
 		"wmsg"		Warning ("search hit BOTTOM", |W10|, …)
 	    New kinds may be added in the future; clients should treat unknown

src/nvim/message.c

@@ -3324,6 +3324,10 @@ int redirecting(void)
          || redir_reg || redir_vname || capture_ga != NULL;
 }
 
+// Save and restore message kind when emitting a verbose message.
+static const char *pre_verbose_kind = NULL;
+static const char *verbose_kind = "verbose";
+
 /// Before giving verbose message.
 /// Must always be called paired with verbose_leave()!
 void verbose_enter(void)
@@ -3331,6 +3335,10 @@ void verbose_enter(void)
   if (*p_vfile != NUL) {
     msg_silent++;
   }
+  if (msg_ext_kind != verbose_kind) {
+    pre_verbose_kind = msg_ext_kind;
+    msg_ext_set_kind("verbose");
+  }
 }
 
 /// After giving verbose message.
@@ -3342,14 +3350,17 @@ void verbose_leave(void)
       msg_silent = 0;
     }
   }
+  if (pre_verbose_kind != NULL) {
+    msg_ext_set_kind(pre_verbose_kind);
+    pre_verbose_kind = NULL;
+  }
 }
 
 /// Like verbose_enter() and set msg_scroll when displaying the message.
 void verbose_enter_scroll(void)
 {
-  if (*p_vfile != NUL) {
-    msg_silent++;
-  } else {
+  verbose_enter();
+  if (*p_vfile == NUL) {
     // always scroll up, don't overwrite
     msg_scroll = true;
   }
@@ -3358,11 +3369,8 @@ void verbose_enter_scroll(void)
 /// Like verbose_leave() and set cmdline_row when displaying the message.
 void verbose_leave_scroll(void)
 {
-  if (*p_vfile != NUL) {
-    if (--msg_silent < 0) {
-      msg_silent = 0;
-    }
-  } else {
+  verbose_leave();
+  if (*p_vfile == NUL) {
     cmdline_row = msg_row;
   }
 }

test/functional/ui/messages_spec.lua

@@ -330,6 +330,56 @@ describe('ui/ext_messages', function()
         },
       },
     })
+
+    feed(':1verbose filter Diff[AC] hi<CR>')
+    screen:expect({
+      cmdline = { {
+        abort = false,
+      } },
+      messages = {
+        {
+          content = {
+            { '\nDiffAdd        ' },
+            { 'xxx', 22, 30 },
+            { ' ' },
+            { 'ctermbg=', 18, 5 },
+            { '81 ' },
+            { 'guibg=', 18, 5 },
+            { 'LightBlue' },
+          },
+          history = false,
+          kind = 'list_cmd',
+        },
+        {
+          content = { { '\n\tLast set from Lua (run Nvim with -V1 for more details)' } },
+          history = false,
+          kind = 'verbose',
+        },
+        {
+          content = {
+            { '\nDiffChange     ' },
+            { 'xxx', 4, 31 },
+            { ' ' },
+            { 'ctermbg=', 18, 5 },
+            { '225 ' },
+            { 'guibg=', 18, 5 },
+            { 'LightMagenta' },
+          },
+          history = false,
+          kind = 'list_cmd',
+        },
+        {
+          content = { { '\n\tLast set from Lua (run Nvim with -V1 for more details)' } },
+          history = false,
+          kind = 'verbose',
+        },
+        {
+          content = { { 'Press ENTER or type command to continue', 6, 18 } },
+          history = false,
+          kind = 'return_prompt',
+        },
+      },
+    })
   end)
 
   it(':echoerr', function()