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spacemacs/spacemacs.el

51 lines
1.8 KiB
EmacsLisp

(defvar spacemacs-title-length 74)
(defvar loading-counter 0)
(defvar loading-text "Loading")
(defvar loading-done-text "Ready!")
(defvar loading-dots-chunk-count 3)
(defvar loading-dots-count-max
(- spacemacs-title-length (length loading-text) (length loading-done-text)))
(defvar loading-dots-chunk-size
(/ loading-dots-count-max loading-dots-chunk-count))
(defvar loading-dots-chunk-threshold 0)
(defun create-spacemacs-buf ()
"Create and initialize the spacemacs startup buffer."
(switch-to-buffer (get-buffer-create "*spacemacs*"))
(insert-file-contents (concat user-emacs-directory "banner.txt"))
(goto-char (point-max))
(insert loading-text)
(redisplay))
(defun append-to-spacemacs-buf (msg)
"Append MSG to spacemacs buffer."
(with-current-buffer (get-buffer-create "*spacemacs*")
(goto-char (point-max))
(insert (format "%s\n" msg))))
(defun replace-last-line-of-spacemacs-buf (msg)
"Replace the last line of the spacemacs buffer with MSG."
(with-current-buffer (get-buffer-create "*spacemacs*")
(goto-char (point-max))
(delete-region (line-beginning-position) (point-max))
(insert msg)))
(defun loading-animation ()
"Display LOADING-TITLE with trailing dots of max length
SPACEMACS-TITLE-LENGTH. New loading title is displayed by chunk
of size LOADING-DOTS-CHUNK-THRESHOLD."
(setq loading-counter (1+ loading-counter))
(if (>= loading-counter loading-dots-chunk-threshold)
(progn
(setq loading-counter 0)
(let ((i 0))
(while (< i loading-dots-chunk-size)
(setq loading-text (concat loading-text "."))
(setq i (1+ i))))
(replace-last-line-of-spacemacs-buf loading-text)
(redisplay))))
;; Ready message
(add-hook 'after-init-hook (lambda ()
(append-to-spacemacs-buf loading-done-text)))