Add ace-window

init.el

@@ -161,6 +161,14 @@
   (with-eval-after-load 'embark
     (define-key embark-region-map (kbd "U") '0x0-dwim)))
 
+(setup (:straight ace-window)
+  (:also-load +ace-window)
+  (:option aw-keys '(?a ?s ?d ?f ?g ?h ?j ?k ?l)
+           aw-display-mode-overlay nil)
+  (:+key "M-o" '+ace-window-or-switch-buffer)
+  (:face aw-mode-line-face ((t (:foreground "red"))))
+  (+ace-window-display-mode +1))
+
 (setup (:straight acme-theme)
   ;; (load-theme 'acme t)
   )

lisp/+ace-window.el

@@ -0,0 +1,37 @@
+;;; +ace-window.el -*- lexical-binding: t; -*-
+
+;;; Code:
+
+(require 'ace-window)
+
+;;;###autoload
+(define-minor-mode +ace-window-display-mode
+  "Minor mode for updating data for `+modeline-ace-window-display'."
+  ;; This is stolen from ace-window.el but with the mode-line stuff ripped out.
+  :global t
+  (if +ace-window-display-mode
+      (progn
+        (aw-update)
+        (force-mode-line-update t)
+        (add-hook 'window-configuration-change-hook 'aw-update)
+        (add-hook 'after-make-frame-functions 'aw--after-make-frame t)
+        (advice-add 'aw--lead-overlay :override 'ignore))
+    (remove-hook 'window-configuration-change-hook 'aw-update)
+    (remove-hook 'after-make-frame-functions 'aw--after-make-frame)
+    (advice-remove 'aw--lead-overlay 'ignore)))
+
+;;;###autoload
+(defun +ace-window-or-switch-buffer (arg)
+  "Call `ace-window' with ARG if more than one window is visible.
+Switch to most recent buffer otherwise."
+  ;; cribbed from `crux-other-window-or-switch-buffer'
+  (interactive "p")
+  (if (one-window-p)
+      (switch-to-buffer nil)
+    (ace-window arg)))
+
+(defun +ace-window@disable-overlay (_fn &rest _args)
+  "ADVICE for FN `aw--lead-overlay' (and ARGS) to not show overlays.")
+
+(provide '+ace-window)
+;;; +ace-window.el ends here