Updates for the xfce4 emacs setup.

config/emacs/development.el

@@ -32,9 +32,17 @@
 ;; OLS built-in definitions.
 (setenv "OLS_BUILTIN_FOLDER" "/home/jason/ThirdParty/ols/builtin")
 
+;;;; Code navigation
 ;; Vim-style code navigation.
 (evil-define-key '(normal motion) 'global
   "gd" #'xref-find-definitions
   "gD" #'xref-find-references
   "K"  #'eldoc
   (kbd "C-t") #'xref-go-back)
+
+;; ESC closes any open eldoc window.
+(defun my/eldoc-close (&rest _)
+  (dolist (w (window-list))
+    (when (string-prefix-p "*eldoc" (buffer-name (window-buffer w)))
+      (quit-window nil w))))
+(advice-add 'evil-force-normal-state :after #'my/eldoc-close)