emacs/lisp/+scratch.el

78 lines
2.5 KiB
EmacsLisp
Raw Normal View History

2021-12-06 04:37:41 +00:00
;;; +scratch.el -*- lexical-binding: t; -*-
;;; Code:
;;(require 'scratch)
2021-12-06 04:37:41 +00:00
(defun +scratch-immortal ()
2022-01-31 23:27:21 +00:00
"Bury, don't kill \"*scratch*\" buffer.
2021-12-06 04:37:41 +00:00
For `kill-buffer-query-functions'."
2022-05-10 01:36:32 +00:00
(if (or (eq (current-buffer) (get-buffer "*scratch*"))
(eq (current-buffer) (get-buffer "*text*")))
2021-12-06 04:37:41 +00:00
(progn (bury-buffer)
nil)
t))
(defun +scratch-buffer-setup ()
"Add comment to `scratch' buffer and name it accordingly."
(let* ((mode (format "%s" major-mode))
(string (concat "Scratch buffer for:" mode "\n\n")))
(when scratch-buffer
(save-excursion
(insert string)
(goto-char (point-min))
(comment-region (point-at-bol) (point-at-eol)))
(next-line 2))
(rename-buffer (concat "*scratch<" mode ">*") t)))
2022-04-27 13:35:22 +00:00
(defun +scratch-fortune ()
(let* ((fmt (if (executable-find "fmt")
(format "| fmt -%d -s" (- fill-column 2))
""))
(s (string-trim
(if (executable-find "fortune")
(shell-command-to-string (concat "fortune -s" fmt))
"ABANDON ALL HOPE YE WHO ENTER HERE"))))
(concat (replace-regexp-in-string "^" ";; " s)
"\n\n")))
2022-05-24 01:12:53 +00:00
2022-05-10 01:36:32 +00:00
;; [[https://old.reddit.com/r/emacs/comments/ui1q41/weekly_tips_tricks_c_thread/i7ef4xg/][u/bhrgunatha]]
(defun +scratch-text-scratch ()
"Create a \"*text*\" scratch buffer in Text mode."
(with-current-buffer (get-buffer-create "*text*")
(text-mode)))
2022-05-24 01:12:53 +00:00
(defcustom +scratch-buffers '("*text*" "*scratch*")
"Scratch buffers.")
(defvar +scratch-last-non-scratch-buffer nil
"Last buffer that wasn't a scratch buffer.")
2022-05-10 01:36:32 +00:00
(defun +scratch-toggle (buffer)
2022-05-24 01:12:53 +00:00
"Switch to BUFFER, or to the previous (non-scratch) buffer."
(if (or (null +scratch-last-non-scratch-buffer)
(not (member (buffer-name (current-buffer)) +scratch-buffers)))
;; Switch to a scratch buffer
(progn
(setq +scratch-last-non-scratch-buffer (current-buffer))
(switch-to-buffer buffer))
;; Switch away from scratch buffer ...
(if (equal (get-buffer-create buffer) (current-buffer))
;; to the original buffer
(switch-to-buffer +scratch-last-non-scratch-buffer)
;; to another scratch
(switch-to-buffer buffer))))
2022-05-10 01:36:32 +00:00
(defun +scratch-switch-to-scratch ()
"Switch to scratch buffer."
(interactive)
(+scratch-toggle "*scratch*"))
(defun +scratch-switch-to-text ()
"Switch to text buffer."
(interactive)
(+scratch-toggle "*text*"))
2021-12-06 04:37:41 +00:00
(provide '+scratch)
;;; +scratch.el ends here