From 77c6243aa851b8e0d7a6c3655771825370bd356a Mon Sep 17 00:00:00 2001
From: 0x2CA <2478557459@qq.com>
Date: Thu, 29 Aug 2024 11:31:51 +0800
Subject: [PATCH] vim: Fix Smart Relative Line Number (#17052)

when the focused_vim is deactivate, focused_vim should set none.

fix the problem that opening the first buffer from EmptyPane will not
toggle,The reason is the edge case where focused_vim is none when
opening for the first time.

Release Notes:

- N/A
---
 crates/vim/src/vim.rs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/crates/vim/src/vim.rs b/crates/vim/src/vim.rs
index ac8257b058..d7015440f4 100644
--- a/crates/vim/src/vim.rs
+++ b/crates/vim/src/vim.rs
@@ -309,7 +309,12 @@ impl Vim {
         editor.set_autoindent(true);
         editor.selections.line_mode = false;
         editor.unregister_addon::<VimAddon>();
-        editor.set_relative_line_number(None, cx)
+        editor.set_relative_line_number(None, cx);
+        if let Some(vim) = Vim::globals(cx).focused_vim() {
+            if vim.entity_id() == cx.view().entity_id() {
+                Vim::globals(cx).focused_vim = None;
+            }
+        }
     }
 
     /// Register an action on the editor.
@@ -656,6 +661,11 @@ impl Vim {
                         editor.set_relative_line_number(Some(is_relative), cx)
                     });
                 }
+            } else {
+                self.update_editor(cx, |vim, editor, cx| {
+                    let is_relative = vim.mode != Mode::Insert;
+                    editor.set_relative_line_number(Some(is_relative), cx)
+                });
             }
         }
         Vim::globals(cx).focused_vim = Some(cx.view().downgrade());