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