Add v:event flag on DirChanged signaling switching window (#13153)

Closes #9909

3 files changed, 6 insertions, 5 deletions

diff --git a/src/nvim/ex_docmd.c b/src/nvim/ex_docmd.c
index d7ed2fe97d..60963f5411 100644
--- a/src/nvim/ex_docmd.c
+++ b/src/nvim/ex_docmd.c
@@ -7506,7 +7506,7 @@ void post_chdir(CdScope scope, bool trigger_dirchanged)
   shorten_fnames(true);
 
   if (trigger_dirchanged) {
-    do_autocmd_dirchanged(cwd, scope);
+    do_autocmd_dirchanged(cwd, scope, false);
   }
 }
 
diff --git a/src/nvim/file_search.c b/src/nvim/file_search.c
index 47272df2f0..b1fa0b6779 100644
--- a/src/nvim/file_search.c
+++ b/src/nvim/file_search.c
@@ -1565,7 +1565,7 @@ theend:
   return file_name;
 }
 
-void do_autocmd_dirchanged(char *new_dir, CdScope scope)
+void do_autocmd_dirchanged(char *new_dir, CdScope scope, bool changed_window)
 {
   static bool recursive = false;
 
@@ -1601,6 +1601,7 @@ void do_autocmd_dirchanged(char *new_dir, CdScope scope)
 
   tv_dict_add_str(dict, S_LEN("scope"), buf);  // -V614
   tv_dict_add_str(dict, S_LEN("cwd"),   new_dir);
+  tv_dict_add_bool(dict, S_LEN("changed_window"), changed_window);
   tv_dict_set_keys_readonly(dict);
 
   apply_autocmds(EVENT_DIRCHANGED, (char_u *)buf, (char_u *)new_dir, false,
@@ -1633,7 +1634,7 @@ int vim_chdirfile(char_u *fname)
   slash_adjust((char_u *)dir);
 #endif
   if (!strequal(dir, (char *)NameBuff)) {
-    do_autocmd_dirchanged(dir, kCdScopeWindow);
+    do_autocmd_dirchanged(dir, kCdScopeWindow, false);
   }
 
   return OK;
diff --git a/src/nvim/window.c b/src/nvim/window.c
index 9d918ebeb0..3429e3df70 100644
--- a/src/nvim/window.c
+++ b/src/nvim/window.c
@@ -4567,7 +4567,7 @@ static void win_enter_ext(win_T *wp, bool undo_sync, int curwin_invalid,
     if (os_chdir(new_dir) == 0) {
       if (!p_acd && !strequal(new_dir, cwd)) {
         do_autocmd_dirchanged(new_dir, curwin->w_localdir
-                              ? kCdScopeWindow : kCdScopeTab);
+                              ? kCdScopeWindow : kCdScopeTab, true);
       }
       shorten_fnames(true);
     }
@@ -4576,7 +4576,7 @@ static void win_enter_ext(win_T *wp, bool undo_sync, int curwin_invalid,
     // directory: Change to the global directory.
     if (os_chdir((char *)globaldir) == 0) {
       if (!p_acd && !strequal((char *)globaldir, cwd)) {
-        do_autocmd_dirchanged((char *)globaldir, kCdScopeGlobal);
+        do_autocmd_dirchanged((char *)globaldir, kCdScopeGlobal, true);
       }
     }
     XFREE_CLEAR(globaldir);