emacs: make b/insert-asterism more robust w.r.t. fill-column

[~bandali/configs] / .emacs.d / init.el

diff --git a/.emacs.d/init.el b/.emacs.d/init.el
index e8e4870..85aeba0 100644 (file)
--- a/.emacs.d/init.el
+++ b/.emacs.d/init.el
@@ -266,9 +266,21 @@
   (previous-line)
   (insert "\n\f\n;;; "))
 
+(defvar b/fill-column 47
+  "My custom `fill-column'.")
+
+(defconst b/asterism "* * *")
+
 (defun b/insert-asterism ()
+  "Insert a centred asterism."
   (interactive)
-  (insert "\n\n                                 * * *\n\n"))
+  (insert
+   (concat
+    "\n\n"
+    (make-string (floor (/ (- b/fill-column (length b/asterism)) 2))
+                 ?\s)
+    b/asterism
+    "\n\n")))
 
 (defun b/no-mouse-autoselect-window ()
   "Conveniently disable `focus-follows-mouse'.
@@ -301,7 +313,9 @@ For disabling the behaviour for certain buffers and/or modes."
  scroll-conservatively 10
  scroll-preserve-screen-position 1
  ;; focus follows mouse
- mouse-autoselect-window t)
+ mouse-autoselect-window t
+ ;; custom fill-column
+ fill-column b/fill-column)
 
 (setq-default
  ;; always use space for indentation
@@ -1087,7 +1101,8 @@ This function is intended for use with `ivy-ignore-buffers'."
                ("C-S-l" . b/eshell-clear)
                ("M-r"   . counsel-esh-history)
                ;; ([tab]   . company-complete)
-               ))
+               :map eshell-hist-mode-map
+               ("M-r" . counsel-esh-history)))
 
   :hook (eshell-mode . b/eshell-setup)
   :custom
@@ -2551,8 +2566,8 @@ https://csclub.uwaterloo.ca/~abandali")
   :hook (;; (message-setup . mml-secure-message-sign-pgpmime)
          (message-mode . flyspell-mode)
          (message-mode . (lambda ()
-                           ;; (setq fill-column 65
-                           ;;       message-fill-column 65)
+                           (setq-local fill-column b/fill-column
+                                       message-fill-column b/fill-column)
                            (make-local-variable 'company-idle-delay)
                            (setq company-idle-delay 0.2))))
   ;; :custom-face