doomemacs/core/defuns-buffers.el
2014-12-10 15:54:36 -05:00

83 lines
3.2 KiB
EmacsLisp

;; Inspired by http://demonastery.org/2013/04/emacs-evil-narrow-region/
;;;###autoload
(defun my-narrow-to-region-indirect (start end)
"Restrict editing in this buffer to the current region, indirectly."
(interactive "r")
(deactivate-mark)
(let ((buf (clone-indirect-buffer nil nil)))
(with-current-buffer buf
(narrow-to-region start end))
(switch-to-buffer buf)))
;; Killing Buffers ;;;;;;;;;;;;;;;;;;;;;
;; Buffer defuns
(defvar my-cleanup-buffers-list '("^ \\*"
"^\\*Backtrace\\*$"
"^\\*Warnings\\*$"
"^\\*Compile-Log\\*$"
"^\\*Ediff.*\\*$"
help-mode
dired-mode
reb-mode)
"A list of buffer name regexps or major-mode symbols. If buried buffers
match/have that mode active, `cleanup-buffers' will kill them.")
(defvar my-cleanup-processes-alist '(("pry" . ruby-mode)
("irb" . ruby-mode)
("ipython" . python-mode))
"An alist of (process-name . major-mode), that `my-cleanup-processes' checks
before killing processes. If there are no buffers with matching major-modes, it
gets killed.")
;;;###autoload
(defun my--cleanup-buffers-add (regexp)
(add-to-list 'my-cleanup-buffers-list regexp))
;;;###autoload
(defun my-cleanup-buffers ()
"Kill left-over temporary, dired or buried special buffers"
(interactive)
(let* ((this-frame (selected-frame))
(kill-list (buffer-list this-frame)))
(setq kill-list
(-filter (lambda (b)
(unless (get-buffer-window b) ; don't kill if visible
(-any? (lambda (pred)
(cond ((stringp pred)
(s-matches? pred (buffer-name b)))
((symbolp pred)
(eq (buffer-local-value 'major-mode b) pred))))
my-cleanup-buffers-list)))
kill-list))
(message "Cleaned up %s buffers" (length kill-list))
(mapc 'kill-buffer kill-list)
(my-cleanup-processes)))
;;;###autoload
(defun my-cleanup-processes ()
(interactive)
(let ((buffer-list (buffer-list)))
(dolist (p (process-list))
(let* ((process-name (process-name p))
(assoc (assoc process-name my-cleanup-processes-alist)))
(when (and assoc
(not (string= process-name "server"))
(process-live-p p)
(not (-any? (lambda (b)
(let ((mode (buffer-local-value 'major-mode b)))
(eq mode (cdr assoc))))
buffer-list)))
(message "Cleanup: killing %s" process-name)
(delete-process p))))))
;;;###autoload
(defun my-kill-matching-buffers (regexp &optional buffer-list)
(interactive)
(mapc (lambda (b)
(if (s-matches? regexp (buffer-name b))
(kill-buffer b)))
(if buffer-list buffer-list (buffer-list))))