68 lines
2.4 KiB
EmacsLisp
68 lines
2.4 KiB
EmacsLisp
(define-derived-mode spacemacs-mode special-mode "spacemacs-mode"
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"Spacemacs major mode for startup screen."
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:syntax-table nil
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:abbrev-table nil
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(setq truncate-lines t)
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(setq cursor-type nil))
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(defun spacemacs-load-dotfile ()
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"Load ~/.spacemacs. If it is not found then copy .spacemacs.template to
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~/.spacemacs"
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(let ((dotfile (concat user-home-directory ".spacemacs")))
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(unless (file-exists-p dotfile)
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(copy-file (concat user-emacs-directory ".spacemacs.template") dotfile))
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(load dotfile)))
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(defvar spacemacs-title-length 68)
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(defvar loading-counter 0)
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(defvar loading-text "Loading")
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(defvar loading-done-text "Ready!")
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(defvar loading-dots-chunk-count 3)
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(defvar loading-dots-count-max
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(- spacemacs-title-length (length loading-text) (length loading-done-text)))
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(defvar loading-dots-chunk-size
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(/ loading-dots-count-max loading-dots-chunk-count))
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(defvar loading-dots-chunk-threshold 0)
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(defun spacemacs-buffer ()
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"Create and initialize the spacemacs startup buffer."
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(interactive)
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(switch-to-buffer (get-buffer-create "*spacemacs*"))
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(spacemacs-mode)
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(let ((buffer-read-only nil))
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(insert-file-contents (concat spacemacs-core-directory "banner.txt"))))
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(defun append-to-spacemacs-buf (msg)
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"Append MSG to spacemacs buffer."
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(with-current-buffer (get-buffer-create "*spacemacs*")
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(goto-char (point-max))
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(let ((buffer-read-only nil))
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(insert (format "%s" msg)))))
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(defun replace-last-line-of-spacemacs-buf (msg)
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"Replace the last line of the spacemacs buffer with MSG."
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(with-current-buffer (get-buffer-create "*spacemacs*")
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(goto-char (point-max))
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(let ((buffer-read-only nil))
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(delete-region (line-beginning-position) (point-max))
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(insert msg))))
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(defun loading-animation ()
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"Display LOADING-TITLE with trailing dots of max length
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SPACEMACS-TITLE-LENGTH. New loading title is displayed by chunk
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of size LOADING-DOTS-CHUNK-THRESHOLD."
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(setq loading-counter (1+ loading-counter))
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(if (>= loading-counter loading-dots-chunk-threshold)
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(progn
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(setq loading-counter 0)
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(let ((i 0))
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(while (< i loading-dots-chunk-size)
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(setq loading-text (concat loading-text "."))
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(setq i (1+ i))))
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(replace-last-line-of-spacemacs-buf loading-text)
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(redisplay))))
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;; Ready message
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(add-hook 'after-init-hook (lambda ()
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(append-to-spacemacs-buf loading-done-text)))
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