Emacs: Add window maximize toggle

.config/emacs/config.org

@@ -553,6 +553,23 @@ Functions that only use built-in Emacs functionality.
 	  (set-fringe-mode '(nil . 0))
 	(set-fringe-mode 0)))
 
+;; Reference: https://gist.github.com/mads-hartmann/3402786#gistcomment-4263171
+(defun dot/toggle-window-maximize ()
+  "Toggle window maximize."
+  (interactive)
+  (save-excursion
+    (if (and (= 1 (length (cl-remove-if
+                           (lambda (w)
+                             (or (and (fboundp 'treemacs-is-treemacs-window?)
+                                      (treemacs-is-treemacs-window? w))
+                                 (and (bound-and-true-p neo-global--window)
+                                      (eq neo-global--window w))))
+                           (window-list))))
+             (assoc ?_ register-alist))
+        (jump-to-register ?_)
+      (window-configuration-to-register ?_)
+      (delete-other-windows))))
+
 (defun dot/M-x (command)
   "Prompt and execute COMMAND."
   (interactive "CCommand: ")
@@ -1064,6 +1081,7 @@ General.el ~leader key binds.
   "t j" '(centaur-tabs-select-end-tab               :which-key "Tab select first")
   "t k" '(centaur-tabs-select-beg-tab               :which-key "Tab select last")
   "t l" '(centaur-tabs-forward-group                :which-key "Tab forward group")
+  "t m" '(dot/toggle-window-maximize                :which-key "Toggle window maximize")
   "t n" '(neotree-toggle-in-project-root            :which-key "Toggle Neotree")
   "t s" '(dot/flyspell-toggle                       :which-key "Toggle spell checker")
   "t w" '(visual-line-mode                          :which-key "Toggle line wrapping")
@@ -1108,6 +1126,7 @@ General.el ~leader key binds.
   "w j"       '(windmove-down                           :which-key "Focus window down")
   "w k"       '(windmove-up                             :which-key "Focus window up")
   "w l"       '(windmove-right                          :which-key "Focus window right")
+  "w m"       '(dot/toggle-window-maximize              :which-key "Toggle window maximize")
   "w o"       '(delete-other-windows                    :which-key "Close other windows")
   "w s"       '(split-follow-horizontally               :which-key "Split horizontal")
   "w v"       '(split-follow-vertically                 :which-key "Split vertical")