fix #804: frame focus delay issues

Author: seagle0128

doom-modeline-core.el

@@ -1255,8 +1255,13 @@ used as an advice to window creation functions."
 
 (defun doom-modeline-focus-change (&rest _)
   "Focus change."
-  (if (frame-focus-state)
-      (doom-modeline-set-selected-window)
+  (if (frame-focus-state (frame-parent))
+      (progn
+        (doom-modeline-set-selected-window)
+        ;; HACK: pulse after focusing in the frame to refresh the buffer name.
+        ;; @see https://github.com/seagle0128/doom-modeline/issues/591
+        (when (fboundp 'pulse-momentary-highlight-region)
+          (pulse-momentary-highlight-region 0 0)))
     (doom-modeline-unset-selected-window)))
 
 

doom-modeline.el

@@ -253,6 +253,7 @@ If DEFAULT is non-nil, set the default mode-line for all buffers."
             (add-hook 'focus-in-hook #'doom-modeline-set-selected-window)
             (add-hook 'focus-out-hook #'doom-modeline-unset-selected-window)))
         (add-hook 'window-selection-change-functions #'doom-modeline-set-selected-window)
+        (advice-add #'handle-switch-frame :after #'doom-modeline-focus-change)
 
         ;; Automatically set mode-lines
         (add-hook 'after-change-major-mode-hook #'doom-modeline-auto-set-modeline)
@@ -291,6 +292,7 @@ If DEFAULT is non-nil, set the default mode-line for all buffers."
           (remove-hook 'focus-in-hook #'doom-modeline-set-selected-window)
           (remove-hook 'focus-out-hook #'doom-modeline-unset-selected-window)))
       (remove-hook 'window-selection-change-functions #'doom-modeline-set-selected-window)
+      (advice-remove #'handle-switch-frame #'doom-modeline-focus-change)
 
       ;; For major modes
       (remove-hook 'after-change-major-mode-hook #'doom-modeline-auto-set-modeline)