Files
doomemacs/core/defuns-buffers.el
2015-06-06 06:37:34 -04:00

290 lines
11 KiB
EmacsLisp

;; Inspired by http://demonastery.org/2013/04/emacs-evil-narrow-region/
;;;###autoload
(defun narf: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)))
;;;###autoload
(defun narf:widen ()
(interactive)
(when (buffer-narrowed-p)
(widen)))
;;;###autoload
(defun narf:set-region-read-only (begin end)
"See http://stackoverflow.com/questions/7410125"
(let ((modified (buffer-modified-p)))
(add-text-properties begin end '(read-only t))
(set-buffer-modified-p modified)))
;;;###autoload
(defun narf:set-region-writeable (begin end)
"See http://stackoverflow.com/questions/7410125"
(let ((modified (buffer-modified-p))
(inhibit-read-only t))
(remove-text-properties begin end '(read-only t))
(set-buffer-modified-p modified)))
;;;###autoload
(defun narf/living-buffer-list (&optional buffer-list)
(-remove 'get-buffer-window (or buffer-list (buffer-list))))
;; Killing Buffers ;;;;;;;;;;;;;;;;;;;;;
;; Buffer defuns
(defvar narf/cleanup-buffers-list '("^ \\*"
"^\\*Backtrace\\*$"
"^\\*Warnings\\*$"
"^\\*Compile-Log\\*$"
"^\\*Ediff.*\\*$"
help-mode
image-mode
dired-mode
reb-mode)
"A list of buffer name regexps or major-mode symbols. If buried buffers
match/have that mode active, `narf:cleanup-buffers' will kill them.")
(defvar narf/cleanup-processes-alist '(("pry" . ruby-mode)
("irb" . ruby-mode)
("ipython" . python-mode))
"An alist of (process-name . major-mode), that `narf:cleanup-processes' checks
before killing processes. If there are no buffers with matching major-modes, it
gets killed.")
;;;###autoload
(defun narf/add-throwaway-buffer (regexp)
(add-to-list 'narf/cleanup-buffers-list regexp))
;;;###autoload
(defun narf: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))))
narf/cleanup-buffers-list)))
kill-list))
(message "Cleaned up %s buffers" (length kill-list))
(mapc 'kill-buffer kill-list)
(narf:cleanup-processes)))
;;;###autoload
(defun narf:cleanup-processes ()
(interactive)
(let ((buffer-list (buffer-list)))
(dolist (p (process-list))
(let* ((process-name (process-name p))
(assoc (assoc process-name narf/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 narf:kill-matching-buffers (regexp &optional buffer-list)
(interactive)
(mapc (lambda (b)
(if (string-match-p regexp (buffer-name b))
(kill-buffer b)))
(if buffer-list buffer-list (buffer-list))))
(defun narf--cycle-real-buffer (&optional n)
"Switch to the previous buffer and avoid special buffers."
(interactive)
(let ((start-buffer (current-buffer))
(move-func (if (< n 0) 'switch-to-next-buffer 'switch-to-prev-buffer)))
(funcall move-func)
(let ((i 0))
(while (let ((current-buffer (current-buffer)))
(and (not (eq current-buffer start-buffer))
(not (eq current-buffer narf--project-scratch-buffer))
(< i 15)
(string-equal "*" (substring (buffer-name) 0 1))))
(cl-incf i)
(funcall move-func)))))
;; From spacemacs <https://github.com/syl20bnr/spacemacs/blob/master/spacemacs/funcs.el>
;;;###autoload
(defun narf:next-real-buffer ()
"Switch to the next buffer and avoid special buffers."
(interactive)
(narf--cycle-real-buffer +1))
;;;###autoload
(defun narf:previous-real-buffer ()
"Switch to the previous buffer and avoid special buffers."
(interactive)
(narf--cycle-real-buffer -1))
;;;###autoload
(defun narf:kill-real-buffer ()
"Kill buffer (but only bury scratch buffer)"
(interactive)
(let ((bname (buffer-name)))
(cond ((string-match-p "^\\*scratch\\*" bname)
(erase-buffer)
(bury-buffer))
((string-equal "*" (substring bname 0 1))
(previous-buffer))
(t (kill-this-buffer)))))
;;;###autoload (autoload 'narf::save-session "defuns-buffers")
(evil-define-command narf::save-session (&optional bang session-name)
(interactive "<!><a>")
(if session-name
(wg-save-session-as (concat wg-workgroup-directory session-name) (not bang))
(wg-save-session)))
;;;###autoload (autoload 'narf::load-session "defuns-buffers")
(evil-define-command narf::load-session (&optional bang session-name)
(interactive "<!><a>")
(wg-open-session (if session-name
(concat wg-workgroup-directory session-name)
wg-session-file)))
;;;###autoload (autoload 'narf::new-workgroup "defuns-buffers")
(evil-define-command narf::new-workgroup (bang name)
(interactive "<!><a>")
(unless name
(user-error "No name specified for new workgroup"))
(if bang
(wg-clone-workgroup (wg-current-workgroup) name)
(wg-create-workgroup name t)))
;;;###autoload (autoload 'narf::rename-workgroup "defuns-buffers")
(evil-define-command narf::rename-workgroup (new-name)
(interactive "<a>")
(wg-rename-workgroup new-name))
;;;###autoload (autoload 'narf::rename-this-file "defuns-buffers")
(evil-define-command narf::rename-this-file (new-name)
"Renames current buffer and file it is visiting. Replaces %, # and other
variables (see `evil-ex-replace-special-filenames')"
:repeat nil
(interactive "<f>")
(let ((name (buffer-name))
(filename (buffer-file-name)))
(if (not (and filename (file-exists-p filename)))
(error "Buffer '%s' is not visiting a file!" name)
(let ((new-name
(expand-file-name
(evil-ex-replace-special-filenames (if new-name
new-name
(read-file-name "New name: " filename)))
(f-dirname filename))))
(if (get-buffer new-name)
(error "A buffer named '%s' already exists!" new-name)
(rename-file filename new-name 1)
(rename-buffer new-name)
(set-visited-file-name new-name)
(set-buffer-modified-p nil)
(save-place-forget-unreadable-files)
(message "File '%s' successfully renamed to '%s'"
name (file-name-nondirectory new-name)))))))
;;;###autoload (autoload 'narf::delete-this-file "defuns-buffers")
(evil-define-command narf::delete-this-file (&optional bang)
"Delete current buffer's file. If bang, then kill the buffer afterwards as well."
:repeat nil
(interactive "<!>")
(let ((filename (file-truename (buffer-file-name))))
(if (not (file-exists-p filename))
(error "File doesn't exist: %s" filename)
(delete-file filename)
(when bang (kill-this-buffer))
(save-place-forget-unreadable-files)
(message "File successfully deleted: %s" filename))))
(defun narf--save-exit() (save-buffer) (kill-buffer) (remove-hook 'yas-after-exit-snippet-hook '--save-exit))
;;;###autoload (autoload 'narf::create-file "defuns-buffers")
(evil-define-command narf::create-file (path &optional bang)
"Deploy files (and their associated templates) quickly. Will prompt
you to fill in each snippet field before buffer closes unless BANG is
provided."
:repeat nil
(interactive "<f><!>")
(let ((dir (f-dirname path))
(fullpath (f-full path))
(is-auto t))
(when (and bang (not (file-exists-p dir))) (f-mkdir dir))
(if (file-exists-p dir)
(if (file-exists-p fullpath)
(error "File already exists: %s" path)
(find-file fullpath)
(add-hook 'yas-after-exit-snippet-hook 'narf--save-exit)
(if bang (--save-exit)))
(error "Directory doesn't exist: %s" dir))))
;;;###autoload (autoload 'narf::scratch-buffer "defuns-buffers")
(evil-define-operator narf::scratch-buffer (&optional beg end bang)
"Send a selection to the scratch buffer. If BANG, then send it to org-capture
instead."
:move-point nil
:type inclusive
(interactive "<r><!>")
(let ((mode major-mode)
(text (when (and (evil-visual-state-p) beg end)
(buffer-substring beg end))))
(if bang
;; use org-capture with bang
(if text
(org-capture-string text)
(org-capture))
;; or scratch buffer by default
(let* ((project-dir (narf/project-root t))
(buffer-name (if project-dir
(format "*scratch* (%s)" (narf/project-name))
"*scratch*")))
(popwin:popup-buffer (get-buffer-create buffer-name))
(when (eq (get-buffer buffer-name) (current-buffer))
(when project-dir
(cd project-dir))
(if text (insert text))
(funcall mode))))))
;;;###autoload (autoload 'narf::kill-buried-buffers "defuns-buffers")
(evil-define-command narf::kill-buried-buffers (&optional bang)
:repeat nil
(interactive "<!>")
(mapc 'kill-buffer
(narf/living-buffer-list (if bang (projectile-project-buffers) (buffer-list)))))
;;;###autoload (autoload 'narf::kill-buffers "defuns-buffers")
(evil-define-command narf::kill-buffers (&optional bang)
:repeat nil
(interactive "<!>")
(if (and (not bang) (projectile-project-p))
(projectile-kill-buffers)
(mapc 'kill-buffer (buffer-list)))
(delete-other-windows)
(switch-to-buffer (if (buffer-live-p narf--project-scratch-buffer)
narf--project-scratch-buffer
(get-buffer-create "*scratch*"))))
;;;###autoload (autoload 'narf::cd "defuns-buffers")
(evil-define-command narf::cd (dir)
:repeat nil
(interactive "<f>")
(cd (if (zerop (length dir)) "~" dir)))
(provide 'defuns-buffers)
;;; defuns-buffers.el ends here