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;;; +scratch.el -*- lexical-binding: t; -*-
;;; Code:
;;(require 'scratch)
(defun +scratch-immortal ()
"Bury, don't kill \"*scratch*\" buffer.
For `kill-buffer-query-functions'."
(if (or (eq (current-buffer) (get-buffer "*scratch*"))
(eq (current-buffer) (get-buffer "*text*")))
(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)))
(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")))
;; [[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)))
(defcustom +scratch-buffers '("*text*" "*scratch*")
"Scratch buffers.")
(defvar +scratch-last-non-scratch-buffer nil
"Last buffer that wasn't a scratch buffer.")
(defun +scratch-toggle (buffer)
"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))))
(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*"))
(provide '+scratch)
;;; +scratch.el ends here
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