doomemacs/core/defuns/defuns-buffers.el

285 lines
11 KiB
EmacsLisp

;;; defuns-buffers.el
;;;###autoload (autoload 'narf:narrow "defuns-buffers" nil t)
(evil-define-operator narf:narrow (&optional beg end bang)
"Restrict editing in this buffer to the current region, indirectly. With BANG,
clone the buffer and hard-narrow the selection. Otherwise use fancy-narrow. If
mark isn't active, then widen the buffer (if narrowed).
Inspired from http://demonastery.org/2013/04/emacs-evil-narrow-region/"
(interactive "<r><!>")
(if (region-active-p)
(progn
(deactivate-mark)
(let ((buf (clone-indirect-buffer nil nil)))
(with-current-buffer buf
(narrow-to-region beg end))
(switch-to-buffer buf)))
(widen)))
;;;###autoload
(defun narf/set-read-only-region (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)))
;; Buffer Life and Death ;;;;;;;;;;;;;;;
;;;###autoload
(defun narf/get-buffers (&optional project-p all-p)
"Get all buffers in the current workgroup.
If PROJECT-P is non-nil, get all buffers in current workgroup
If ALL-P is non-nil, get all buffers across all workgroups
If both are non-nil, get all project buffers across all workgroups"
(let* ((wg (wg-current-workgroup t))
(buffers (if (and wg (not all-p))
(wg-workgroup-associated-buffers wg)
(if wg-mess-with-buffer-list
(wg-buffer-list-emacs)
(buffer-list)))))
(let (project-root)
(if (and project-p (setq project-root (narf/project-root t)))
(funcall (if (eq project-p 'not) '-remove '-filter)
(lambda (b) (projectile-project-buffer-p b project-root))
buffers)
buffers))))
;;;###autoload
(defun narf/get-all-buffers (&optional project-p)
"Get all buffers across all workgroups and projects (unless PROJECT-P is non-nil)."
(narf/get-buffers project-p t))
;;;###autoload
(defun narf/get-visible-windows (&optional buffer-list)
(-map #'get-buffer-window
(narf/get-visible-buffers (or buffer-list (narf/get-all-buffers)))))
;;;###autoload
(defun narf/get-visible-buffers (&optional buffer-list)
"Get a list of buffers that are not buried (i.e. visible)"
(-filter #'get-buffer-window (or buffer-list (narf/get-all-buffers))))
;;;###autoload
(defun narf/get-buried-buffers (&optional buffer-list)
"Get a list of buffers that are buried (i.e. not visible)"
(let* ((buffers (or buffer-list (narf/get-buffers)))
(old-len (length buffers)))
(-remove 'get-buffer-window buffers)))
;;;###autoload
(defun narf/get-matching-buffers (pattern &optional buffer-list)
"Get a list of buffers that match the pattern"
(--filter (string-match-p pattern (buffer-name it))
(or buffer-list (narf/get-buffers))))
;;;###autoload
(defun narf/get-buffers-in-modes (modes &optional buffer-list)
"Get a list of buffers whose major-mode is one of MODES"
(--filter (with-current-buffer it (memq major-mode modes))
(or buffer-list (narf/get-buffers))))
;;;###autoload
(defun narf/get-real-buffers (&optional buffer-list)
(-filter #'narf/real-buffer-p (or buffer-list (narf/get-buffers))))
;;;###autoload
(defun narf/kill-real-buffer ()
"Kill buffer (but only bury scratch buffer), then switch to a real buffer."
(interactive)
(let ((bname (buffer-name)))
(cond ((string-match-p "^\\*scratch\\*" bname)
(erase-buffer))
(t ;; bury duplicate buffers in other windows
(let ((this-window (get-buffer-window)))
(mapc (lambda (w)
(unless (eq this-window w)
(with-selected-window w (narf/previous-real-buffer))))
(get-buffer-window-list (current-buffer) nil nil)))
;; Then kill
(kill-this-buffer))))
(if (narf/popup-p (selected-window))
(narf/popup-close)
(unless (narf/real-buffer-p (current-buffer))
(narf/previous-real-buffer))))
;;;###autoload
(defun narf/kill-unreal-buffers ()
"Kill all buried, unreal buffers in current frame. See `narf-unreal-buffers'"
(interactive)
(let* ((all-buffers (narf/get-all-buffers))
(real-buffers (narf/get-real-buffers all-buffers))
(kill-list (--filter (not (memq it real-buffers))
(narf/get-buried-buffers all-buffers))))
(mapc 'kill-buffer kill-list)
(narf/kill-process-buffers)
(message "Cleaned up %s buffers" (length kill-list))))
;;;###autoload
(defun narf/kill-process-buffers ()
"Kill all buffers that represent running processes and aren't visible."
(interactive)
(let ((buffer-list (narf/get-buffers))
(killed-processes 0))
(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? (let ((mode (buffer-local-value 'major-mode it)))
(eq mode (cdr assoc)))
buffer-list)))
(delete-process p)
(incf killed-processes))))
(message "Cleaned up %s processes" killed-processes)))
;;;###autoload
(defun narf/kill-matching-buffers (regexp &optional buffer-list)
(interactive)
(let ((i 0))
(mapc (lambda (b)
(when (string-match-p regexp (buffer-name b))
(kill-buffer b)
(setq i (1+ i))))
(if buffer-list buffer-list (narf/get-buffers)))
(message "Killed %s matches" i)))
;;;###autoload
(defun narf/cycle-real-buffers (&optional n scratch-default)
"Switch to the previous buffer and avoid special buffers. If there's nothing
left, create a scratch buffer."
(let* ((start-buffer (current-buffer))
(move-func (if (< n 0) 'switch-to-next-buffer 'switch-to-prev-buffer))
(real-buffers (narf/get-real-buffers))
(realc (length real-buffers))
(max 25)
(i 0)
(continue t))
(if (or (= realc 0)
(and (= realc 1) (eq (car real-buffers) (current-buffer))))
(progn
(narf|update-scratch-buffer-cwd)
(switch-to-buffer "*scratch*")
(message "Nowhere to go"))
(funcall move-func)
(while (and continue (< i max))
(let ((current-buffer (current-buffer)))
(cond ((eq current-buffer start-buffer)
(when scratch-default
(narf|update-scratch-buffer-cwd)
(switch-to-buffer "*scratch*"))
(setq continue nil))
((not (memq current-buffer real-buffers))
(funcall move-func))
(t
(setq continue nil))))
(cl-incf i)))))
;;;###autoload
(defun narf/real-buffer-p (&optional buffer-or-name)
(let ((buffer (if buffer-or-name (get-buffer buffer-or-name) (current-buffer))))
(when (buffer-live-p buffer)
(not (--any? (if (stringp it)
(string-match-p it (buffer-name buffer))
(eq (buffer-local-value 'major-mode buffer) it))
narf-unreal-buffers)))))
;; Inspired by 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-buffers +1))
;;;###autoload
(defun narf/previous-real-buffer ()
"Switch to the previous buffer and avoid special buffers."
(interactive)
(narf/cycle-real-buffers -1))
(defun narf--kill-buffers (buffers &optional filter-func)
(let ((buffers (if filter-func (funcall filter-func buffers) buffers))
(affected 0))
(mapc (lambda (b) (when (kill-buffer b) (incf affected))) buffers)
(unless (narf/real-buffer-p)
(narf/previous-real-buffer))
(message "Killed %s buffers" affected)))
;;;###autoload (autoload 'narf:kill-all-buffers "defuns-buffers" nil t)
(evil-define-command narf:kill-all-buffers (&optional bang)
"Kill all project buffers. If BANG, kill *all* buffers (in workgroup)."
(interactive "<!>")
(narf--kill-buffers (narf/get-buffers bang))
(when bang
(delete-other-windows)))
;;;###autoload (autoload 'narf:kill-buried-buffers "defuns-buffers" nil t)
(evil-define-command narf:kill-buried-buffers (&optional bang)
"Kill buried project buffers (in workgroup) and report how many it found. BANG = get all
buffers regardless of project."
(interactive "<!>")
(narf-kill-buffers (narf/get-buffers (not bang)) 'narf/get-buried-buffers))
;;;###autoload (autoload 'narf:kill-buried-buffers "defuns-buffers" nil t)
(evil-define-command narf:kill-matching-buffers (&optional bang pattern)
"Kill project buffers matching regex pattern PATTERN. If BANG, then extend search to
buffers regardless of project."
:repeat nil
(interactive "<!><a>")
(narf-kill-buffers (narf/get-matching-buffers pattern (narf/get-buffers (not bang)))))
;;;###autoload (autoload 'narf:send-to-scratch-or-org "defuns-buffers" nil t)
(evil-define-operator narf:send-to-scratch-or-org (&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
(org-capture-string text)
;; or scratch buffer by default
(let* ((project-dir (narf/project-root t))
(buffer-name "*scratch*"))
(narf/popup-buffer buffer-name)
(with-current-buffer buffer-name
(when project-dir
(cd project-dir))
(if text (insert text))
(funcall mode))
))))
;;;###autoload (autoload 'narf:cd "defuns-buffers" nil t)
(evil-define-command narf:cd (dir)
"Ex-command alias for `cd'"
:repeat nil
(interactive "<f>")
(cd (if (zerop (length dir)) "~" dir)))
;;;###autoload
(defun narf/kill-all-buffers-do-not-remember ()
"Kill all buffers so that workgroups2 will wipe its current session."
(interactive)
(let ((confirm-kill-emacs nil))
(mapc 'kill-buffer (narf/get-buffers))
(kill-this-buffer)
(delete-other-windows)
(wg-save-session t)
(save-buffers-kill-terminal)))
(provide 'defuns-buffers)
;;; defuns-buffers.el ends here