From f33ffe13705f404b26246ff6edb5fa36200b4d47 Mon Sep 17 00:00:00 2001
From: Case Duckworth
Date: Sun, 2 Jan 2022 01:15:02 -0600
Subject: Update +key to use menu as a prefix key too

I should probably choose one or the other to use.... or something.

h/t to https://old.reddit.com/r/emacs/comments/rr330u/weekly_tips_tricks_c_thread/hqwbz6p/?context=3
---
 lisp/+key.el | 61 ++++++++++++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 47 insertions(+), 14 deletions(-)

diff --git a/lisp/+key.el b/lisp/+key.el
index 7a51be1..4638e95 100644
--- a/lisp/+key.el
+++ b/lisp/+key.el
@@ -24,32 +24,57 @@
                            map)
   "A leader keymap under the \"C-z\" bind.")
 
+;; http://xahlee.info/emacs/emacs/emacs_menu_app_keys.html and
+(defvar +key-menu-map (let ((map (make-sparse-keymap)))
+                        (define-key map (kbd "<menu>")
+                          #'execute-extended-command)
+                        map)
+  "Custom bindings behind the menu key.")
+
 (defvar +key-mode-map (let ((map (make-sparse-keymap)))
-                         (define-key map "\C-z" +key-leader-map)
-                         map)
+                        (define-key map "\C-z" +key-leader-map)
+                        (define-key map (kbd "<menu>") +key-menu-map)
+                        map)
   "Keymap for `+key-mode'.")
 
+(defun turn-off-+key-mode ()
+  "Turn off `+key-mode'."
+  (+key-mode -1))
+
 ;;;###autoload
 (define-minor-mode +key-mode
   "A minor mode with keybindings that will override every other mode."
   :init-value t
-  :lighter " +")
-(add-to-list 'emulation-mode-map-alists `((+key-mode . ,+key-mode-map)))
-
-;;;###autoload
-(define-globalized-minor-mode +key-global-mode +key-mode +key-mode)
+  :lighter " +"
+  (if +key-mode
+      (progn                            ; Enable
+        (add-to-list 'emulation-mode-map-alists
+                     `((+key-mode . ,+key-mode-map)))
+        ;; Disable in minibuffer
+        (add-hook 'minibuffer-setup-hook #'turn-off-+key-mode)
+        ;; compat Linux-Windows
+        (define-key key-translation-map (kbd "<apps>") (kbd "<menu>"))
+        ;; curse you, thinkpad keyboard!!!
+        (define-key key-translation-map (kbd "<print>") (kbd "<menu>"))
+        )
+    ;; Disable
+    (setq emulation-mode-map-alists
+          (assoc-delete-all '+key-mode emulation-mode-map-alists
+                            (lambda (a b)
+                              (equal (car a) b))))
+    (remove-hook 'minibuffer-setup-hook #'turn-off-+key-mode)
+    (define-key key-translation-map (kbd "<print>") nil)
+    (define-key key-translation-map (kbd "<apps>") nil)))
 
 ;;;###autoload
 (defun +key-setup ()
-  "Setup `+key-mode' after everything else."
+  "Ensure `+key-mode' happens after init."
   (if after-init-time
-      (+key-global-mode +1)
-    (add-hook 'after-init-hook '+key-global-mode)))
+      (+key-global-mode)
+    (add-hook 'after-init-hook #'+key-global-mode)))
 
-(defun turn-off-+key-mode ()
-  "Turn off `+key-mode'."
-  (+key-mode -1))
-(add-hook 'minibuffer-setup-hook 'turn-off-+key-mode)
+;;;###autoload
+(define-globalized-minor-mode +key-global-mode +key-mode +key-mode)
 
 ;; Extras for `setup'
 (with-eval-after-load 'setup
@@ -67,6 +92,14 @@
     :documentation "Bind KEY to COMMAND in `+key-leader-map'."
     :debug '(form sexp)
     :ensure '(kbd func)
+    :repeatable t)
+
+  (setup-define :+menu
+    (lambda (key command)
+      `(define-key +key-menu-map ,key ,command))
+    :documentation "Bind KEY to COMMAND in `+key-leader-map'."
+    :debug '(form sexp)
+    :ensure '(kbd func)
     :repeatable t))
 
 (provide '+key)
-- 
cgit 1.4.1-21-gabe81