215 lines
7.4 KiB
EmacsLisp
215 lines
7.4 KiB
EmacsLisp
;;; defuns-buffers.el
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;;;###autoload
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(defun narf:narrow (start end)
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"Restrict editing in this buffer to the current region, indirectly.
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Inspired from http://demonastery.org/2013/04/emacs-evil-narrow-region/"
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(interactive "r")
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(deactivate-mark)
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(let ((buf (clone-indirect-buffer nil nil)))
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(with-current-buffer buf
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(narrow-to-region start end))
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(switch-to-buffer buf)))
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;;;###autoload
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(defun narf:widen ()
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(interactive)
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(when (buffer-narrowed-p)
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(widen)))
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;;;###autoload
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(defun narf/set-read-only-region (begin end)
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"See http://stackoverflow.com/questions/7410125"
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(let ((modified (buffer-modified-p)))
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(add-text-properties begin end '(read-only t))
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(set-buffer-modified-p modified)))
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;;;###autoload
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(defun narf/set-region-writeable (begin end)
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"See http://stackoverflow.com/questions/7410125"
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(let ((modified (buffer-modified-p))
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(inhibit-read-only t))
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(remove-text-properties begin end '(read-only t))
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(set-buffer-modified-p modified)))
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;; Killing Life and Death ;;;;;;;;;;;;;;
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;;;###autoload
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(defun narf:kill-real-buffer ()
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"Kill buffer (but only bury scratch buffer), then switch to a living buffer."
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(interactive)
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(let ((bname (buffer-name)))
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(cond ((string-match-p "^\\*scratch\\*" bname)
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(erase-buffer)
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(bury-buffer))
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((string-equal "*" (substring bname 0 1)))
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(t (kill-this-buffer))))
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(unless (narf/real-buffer-p (current-buffer))
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(narf/previous-real-buffer)))
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;;;###autoload
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(defun narf/get-visible-buffers (&optional buffer-list)
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"Get a list of buffers that are not buried (i.e. visible)"
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(-remove #'get-buffer-window (or buffer-list (buffer-list))))
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;;;###autoload
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(defun narf/get-buried-buffers (&optional buffer-list)
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"Get a list of buffers that are buried (i.e. not visible)"
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(-filter #'get-buffer-window (or buffer-list (buffer-list))))
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;;;###autoload
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(defun narf/get-matching-buffers (pattern &optional buffer-list)
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"Get a list of buffers that match the pattern"
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(--filter (string-match-p pattern (buffer-name it)) (or buffer-list (buffer-list))))
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;;;###autoload
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(defun narf/get-real-buffers(&optional buffer-list)
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(-filter (lambda (buffer)
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(not (--any? (if (stringp it)
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(string-match-p it (buffer-name buffer))
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(eq (buffer-local-value 'major-mode buffer) it))
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narf-unreal-buffers)))
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(or buffer-list (buffer-list))))
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;;;###autoload
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(defun narf:kill-unreal-buffers ()
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"Kill all buried, unreal buffers in current frame. See `narf-unreal-buffers'"
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(interactive)
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(let* ((real-buffers (narf/get-real-buffers))
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(kill-list (--filter (not (memq it real-buffers)) narf/get-buried-buffers)))
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(message "Cleaned up %s buffers" (length kill-list))
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(mapc 'kill-buffer kill-list)
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(narf:kill-process-buffers)))
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;;;###autoload
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(defun narf:kill-process-buffers ()
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"Kill all buffers that represent running processes and aren't visible."
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(interactive)
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(let ((buffer-list (buffer-list)))
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(dolist (p (process-list))
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(let* ((process-name (process-name p))
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(assoc (assoc process-name narf-cleanup-processes-alist)))
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(when (and assoc
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(not (string= process-name "server"))
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(process-live-p p)
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(not (--any? (let ((mode (buffer-local-value 'major-mode it)))
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(eq mode (cdr assoc)))
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buffer-list)))
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(message "Cleanup: killing %s" process-name)
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(delete-process p))))))
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;;;###autoload
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(defun narf:kill-matching-buffers (regexp &optional buffer-list)
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(interactive)
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(mapc (lambda (b)
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(if (string-match-p regexp (buffer-name b))
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(kill-buffer b)))
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(if buffer-list buffer-list (buffer-list))))
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;;;###autoload
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(defun narf/cycle-real-buffers (&optional n)
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"Switch to the previous buffer and avoid special buffers. If there's nothing
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left, create a scratch buffer."
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(let ((start-buffer (current-buffer))
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(move-func (if (< n 0) 'switch-to-next-buffer 'switch-to-prev-buffer))
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(real-buffers (narf/get-real-buffers)))
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(funcall move-func)
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(while (let ((current-buffer (current-buffer)))
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(and (if (eq current-buffer start-buffer)
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(ignore (switch-to-buffer "*scratch*"))
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t)
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(not (= n 0))
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(not (eq current-buffer start-buffer))
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(not (memq current-buffer real-buffers))))
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(setq n (1- n))
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(funcall move-func))))
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;;;###autoload
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(defun narf/real-buffer-p (&optional buffer-or-name)
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(let ((buffer (if buffer-or-name (get-buffer buffer-or-name) (current-buffer))))
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(when (buffer-live-p buffer)
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(not (--any? (if (stringp it)
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(string-match-p it (buffer-name buffer))
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(eq (buffer-local-value 'major-mode buffer) it))
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narf-unreal-buffers)))))
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;; From spacemacs <https://github.com/syl20bnr/spacemacs/blob/master/spacemacs/funcs.el>
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;;;###autoload
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(defun narf/next-real-buffer ()
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"Switch to the next buffer and avoid special buffers."
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(interactive)
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(narf/cycle-real-buffers +1))
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;;;###autoload
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(defun narf/previous-real-buffer ()
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"Switch to the previous buffer and avoid special buffers."
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(interactive)
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(narf/cycle-real-buffers -1))
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;;;###autoload (autoload 'narf:kill-buried-buffers "defuns-buffers" nil t)
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(evil-define-command narf:kill-buried-buffers (&optional bang)
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:repeat nil
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(interactive "<!>")
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(narf:kill-buried-buffers)
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(mapc 'kill-buffer
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(narf/get-buried-buffers (if bang (projectile-project-buffers) (buffer-list)))))
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;;;###autoload (autoload 'narf:kill-all-buffers "defuns-buffers" nil t)
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(evil-define-command narf:kill-all-buffers (&optional bang)
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"Kill all project buffers. If BANG, kill *all* buffers."
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:repeat nil
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(interactive "<!>")
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(if (and (not bang) (projectile-project-p))
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(projectile-kill-buffers)
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(mapc 'kill-buffer (buffer-list)))
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(delete-other-windows)
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(unless (narf/real-buffer-p)
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(narf/previous-real-buffer)))
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;;;###autoload (autoload 'narf:scratch-buffer "defuns-buffers" nil t)
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(evil-define-operator narf:scratch-buffer (&optional beg end bang)
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"Send a selection to the scratch buffer. If BANG, then send it to org-capture
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instead."
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:move-point nil
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:type inclusive
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(interactive "<r><!>")
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(let ((mode major-mode)
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(text (when (and (evil-visual-state-p) beg end)
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(buffer-substring beg end))))
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(if bang
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;; use org-capture with bang
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(if text
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(org-capture-string text)
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(org-capture))
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;; or scratch buffer by default
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(let* ((project-dir (narf/project-root t))
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(buffer-name "*scratch*"))
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(popwin:popup-buffer (get-buffer-create buffer-name))
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(when (eq (get-buffer buffer-name) (current-buffer))
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(when project-dir
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(cd project-dir))
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(if text (insert text))
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(funcall mode))))))
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;;;###autoload (autoload 'narf:cd "defuns-buffers" nil t)
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(evil-define-command narf:cd (dir)
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:repeat nil
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(interactive "<f>")
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(cd (if (zerop (length dir)) "~" dir)))
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;;;###autoload
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(defun narf/kill-all-buffers-do-not-remember ()
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(interactive)
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(let ((confirm-kill-emacs nil))
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(mapc 'kill-buffer (buffer-list))
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(kill-this-buffer)
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(delete-other-windows)
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(wg-save-session t)
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(save-buffers-kill-terminal)))
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(provide 'defuns-buffers)
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;;; defuns-buffers.el ends here
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