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+;;; +casing.el --- Word-case-twiddling things -*- lexical-binding: t; -*-
+
+;;; Code:
+
+(require 'thingatpt)
+
+(defvar +casing-map (let ((map (make-sparse-keymap)))
+                      (define-key map "u" #'+upcase-dwim)
+                      (define-key map "l" #'+downcase-dwim)
+                      (define-key map "c" #'+capitalize-dwim)
+                      map)
+  "Keymap for word-casing.")
+
+;;;###autoload
+(defun +upcase-dwim (arg)
+  "Upcase words in the region, or upcase word at point.
+If the region is active, this function calls `upcase-region'.
+Otherwise, it calls `upcase-word' on the word at point (using
+`thingatpt'), and the following ARG - 1 words."
+  (interactive "*p")
+  (if (use-region-p)
+      (upcase-region (region-beginning) (region-end) (region-noncontiguous-p))
+    (let ((following (1- arg))
+          (word-bound (bounds-of-thing-at-point 'word)))
+      (upcase-region (car word-bound) (cdr word-bound))
+      (goto-char (cdr word-bound))
+      (upcase-word following))))
+
+;;;###autoload
+(defun +downcase-dwim (arg)
+  "Downcase words in the region, or downcase word at point.
+If the region is active, this function calls `downcase-region'.
+Otherwise, it calls `downcase-word' on the word at point (using
+`thingatpt'), and the following ARG - 1 words."
+  (interactive "*p")
+  (if (use-region-p)
+      (downcase-region (region-beginning) (region-end) (region-noncontiguous-p))
+    (let ((following (1- arg))
+          (word-bound (bounds-of-thing-at-point 'word)))
+      (downcase-region (car word-bound) (cdr word-bound))
+      (goto-char (cdr word-bound))
+      (downcase-word following))))
+
+;;;###autoload
+(defun +capitalize-dwim (arg)
+  "Capitalize words in the region, or capitalize word at point.
+If the region is active, this function calls `capitalize-region'.
+Otherwise, it calls `capitalize-word' on the word at point (using
+`thingatpt'), and the following ARG - 1 words."
+  (interactive "*p")
+  (if (use-region-p)
+      (capitalize-region (region-beginning) (region-end) (region-noncontiguous-p))
+    (let ((following (1- arg))
+          (word-bound (bounds-of-thing-at-point 'word)))
+      (capitalize-region (car word-bound) (cdr word-bound))
+      (goto-char (cdr word-bound))
+      (capitalize-word following))))
+
+;; Later on, I'll add repeat maps and stuff in here...
+
+(provide '+casing)
+;;; +casing.el ends here