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Diffstat (limited to 'modules/show-kill-ring.el')
| -rw-r--r-- | modules/show-kill-ring.el | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/modules/show-kill-ring.el b/modules/show-kill-ring.el deleted file mode 100644 index e65d48b5..00000000 --- a/modules/show-kill-ring.el +++ /dev/null @@ -1,122 +0,0 @@ -;;; show-kill-ring.el --- Displays Previous Kill Ring Entries -*- lexical-binding: t; coding: utf-8; -*- -;; Show Kill Ring -;; Stolen from Steve Yegge when he wasn't looking -;; enhancements and bugs added by Craig Jennings <c@cjennings.net> -;; -;;; Commentary: -;; Browse items you've previously killed. -;; Yank text using C-u, the index, then C-y. -;; -;; I've lovingly kept the nice 1970s aesthetic, complete with wood paneling. -;; Maybe I'll give it a makeover at some point. -;; -;;; Code: - -(require 'cl-lib) - -(defvar show-kill-max-item-size 1000 - "This represents the size of a \='kill ring\=' entry. -A positive number means to limit the display of \='kill-ring\=' items to -that number of characters.") - -(defun show-kill-ring-exit () - "Exit the show-kill-ring buffer." - (interactive) - (quit-window t)) - -(defun show-kill-ring () - "Show the current contents of the kill ring in a separate buffer. -This makes it easy to figure out which prefix to pass to yank." - (interactive) - ;; kill existing one, since erasing it doesn't work - (let ((buf (get-buffer "*Kill Ring*"))) - (and buf (kill-buffer buf))) - - (let* ((buf (get-buffer-create "*Kill Ring*")) - (temp kill-ring) - (count 1) - (bar (make-string 32 ?=)) - (bar2 (concat " " bar)) - (item " Item ") - (yptr nil) (ynum 1)) - (set-buffer buf) - (erase-buffer) - - (show-kill-insert-header) - - ;; show each of the items in the kill ring, in order - (while temp - ;; insert our little divider - (insert (concat "\n" bar item (prin1-to-string count) " " - (if (< count 10) bar2 bar) "\n")) - - ;; if this is the yank pointer target, grab it - (when (equal temp kill-ring-yank-pointer) - (setq yptr (car temp) ynum count)) - - ;; insert the item and loop - (show-kill-insert-item (car temp)) - (cl-incf count) - (setq temp (cdr temp))) - - ;; show info about yank item - (show-kill-insert-footer yptr ynum) - - ;; use define-key instead of local-set-key - (use-local-map (make-sparse-keymap)) - (define-key (current-local-map) "q" #'show-kill-ring-exit) - - ;; show it - (goto-char (point-min)) - (setq buffer-read-only t) - (set-buffer-modified-p nil) - ;; display-buffer rather than pop-to-buffer - ;; easier for user to C-u (item#) C-y - ;; while the point is where they want to yank - (display-buffer buf))) - -(defun show-kill-insert-item (item) - "Insert an ITEM from the kill ring into the current buffer. -If it's too long, truncate it first." - (let ((max show-kill-max-item-size)) - (cond - ((or (not (numberp max)) - (< max 0) - (< (length item) max)) - (insert item)) - (t - ;; put ellipsis on its own line if item is longer than 1 line - (let ((preview (substring item 0 max))) - (if (< (length item) (- (frame-width) 5)) - (insert (concat preview "...")) - (insert (concat preview "\n...")))))))) - -(defun show-kill-insert-header () - "Insert the show-kill-ring header or a notice if the kill ring is empty." - (if kill-ring - (insert "Contents of the kill ring:\n") - (insert "The kill ring is empty"))) - -(defun show-kill-insert-footer (yptr ynum) - "Insert final divider and the yank-pointer (YPTR YNUM) info." - (when kill-ring - (save-excursion - (re-search-backward "^\\(=+ Item [0-9]+ =+\\)$")) - (insert "\n") - (insert (make-string (length (match-string 1)) ?=)) - ;; Use number-to-string instead of int-to-string - (insert (concat "\n\nItem " (number-to-string ynum) - " is the next to be yanked:\n\n")) - (show-kill-insert-item yptr) - (insert "\n\nThe prefix arg will yank relative to this item."))) - -(defun empty-kill-ring () - "Force garbage collection of huge kill ring entries that I don't care about." - (interactive) - (setq kill-ring nil) - (garbage-collect)) - -(keymap-global-set "M-S-k" #'show-kill-ring) ;; was M-K, overrides kill-sentence - -(provide 'show-kill-ring) -;;; show-kill-ring.el ends here |
