183 lines
8.0 KiB
EmacsLisp
183 lines
8.0 KiB
EmacsLisp
;;; core-scratch.el
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(setq initial-major-mode 'doom-mode
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initial-scratch-message "\n Loading..."
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inhibit-startup-screen t
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;; shuts up emacs at startup
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inhibit-startup-echo-area-message user-login-name)
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(defvar doom-buffer nil
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"The global and persistent scratch buffer for doom.")
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(defvar doom-buffer-name " *doom*"
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"The name of the doom scratch buffer.")
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(defvar doom-buffer-edited nil
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"If non-nil, the scratch buffer has been edited.")
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(define-derived-mode doom-mode fundamental-mode
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(concat "v" doom-version)
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"Major mode for special DOOM buffers.")
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;; Don't kill the scratch buffer
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(add-hook! 'kill-buffer-query-functions
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(not (eq doom-buffer (current-buffer))))
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(add-hook 'emacs-startup-hook 'doom--reload-scratch-buffer)
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;; Don't rename these buffers. That could cause problems.
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(after! uniquify
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(setq uniquify-ignore-buffers-re (regexp-quote doom-buffer-name)))
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(defun doom*scratch-split-hack (&rest _)
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"Removes the window margins before attempting a vertical-split on the scratch
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buffer. Without this, it would refuse to split, saying 'too small to split'."
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(when (eq (current-buffer) doom-buffer)
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(set-window-margins nil 0 0)))
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(advice-add 'split-window :before 'doom*scratch-split-hack)
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(defun doom|mode-erase-on-insert ()
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"Erase the buffer and prepare it to be used like a normal buffer."
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(erase-buffer)
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(set-window-margins (get-buffer-window doom-buffer) 0 0)
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(setq doom-buffer-edited t
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mode-line-format (doom-modeline)
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doom--scratch-width nil)
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(remove-hook 'evil-insert-state-entry-hook 'doom|mode-erase-on-insert t))
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(defun doom-reload-scratch-buffer (&optional dir)
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"Update the DOOM scratch buffer (or create it, if it doesn't exist)."
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(when (and (get-buffer-window-list doom-buffer nil t)
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(or (not doom-buffer-edited) dir)
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(not (minibuffer-window-active-p (minibuffer-window))))
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(doom--reload-scratch-buffer dir)))
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(defvar doom--scratch-width nil)
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(defvar doom--scratch-height nil)
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(defun doom--reload-scratch-buffer (&optional dir)
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;; Rename the old scratch buffer, if it exists.
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(let ((old-scratch (get-buffer "*scratch*")))
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(when old-scratch
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(with-current-buffer old-scratch
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(rename-buffer doom-buffer-name)
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(setq doom-buffer old-scratch))))
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;; Ensure the doom buffer is alive!
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(unless (buffer-live-p doom-buffer)
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(setq doom-buffer nil))
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(unless doom-buffer
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(setq doom-buffer (get-buffer-create doom-buffer-name)))
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;; Fill it with the splash screen content
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(with-current-buffer doom-buffer
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(doom-mode)
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(add-hook 'evil-insert-state-entry-hook 'doom|mode-erase-on-insert nil t)
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(add-hook 'after-change-major-mode-hook 'doom|mode-erase-on-insert nil t)
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(setq doom-buffer-edited nil)
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(let ((width 78)
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updates-p height)
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(mapc (lambda (window)
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(set-window-margins window 0 0)
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(let ((pad (max 0 (- (truncate (/ (window-width window) 2)) (truncate (/ width 2))))))
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(set-window-margins window pad pad)
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(setq height (max 0
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(min (or height 9999)
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(- (truncate (/ (window-height window) 2)) 12))))))
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(get-buffer-window-list doom-buffer nil t))
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(when (or (not doom--scratch-width)
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(not doom--scratch-height)
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(/= doom--scratch-width width)
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(/= doom--scratch-height height))
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(erase-buffer)
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(insert (make-string (if height (max 0 height) 0) ?\n)
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(propertize
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(concat
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"================= =============== =============== ======== ========\n"
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"\\\\ . . . . . . .\\\\ //. . . . . . .\\\\ //. . . . . . .\\\\ \\\\. . .\\\\// . . //\n"
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"||. . ._____. . .|| ||. . ._____. . .|| ||. . ._____. . .|| || . . .\\/ . . .||\n"
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"|| . .|| ||. . || || . .|| ||. . || || . .|| ||. . || ||. . . . . . . ||\n"
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"||. . || || . .|| ||. . || || . .|| ||. . || || . .|| || . | . . . . .||\n"
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"|| . .|| ||. _-|| ||-_ .|| ||. . || || . .|| ||. _-|| ||-_.|\\ . . . . ||\n"
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"||. . || ||-' || || `-|| || . .|| ||. . || ||-' || || `|\\_ . .|. .||\n"
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"|| . _|| || || || || ||_ . || || . _|| || || || |\\ `-_/| . ||\n"
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"||_-' || .|/ || || \\|. || `-_|| ||_-' || .|/ || || | \\ / |-_.||\n"
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"|| ||_-' || || `-_|| || || ||_-' || || | \\ / | `||\n"
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"|| `' || || `' || || `' || || | \\ / | ||\n"
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"|| .===' `===. .==='.`===. .===' /==. | \\/ | ||\n"
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"|| .==' \\_|-_ `===. .===' _|_ `===. .===' _-|/ `== \\/ | ||\n"
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"|| .==' _-' `-_ `=' _-' `-_ `=' _-' `-_ /| \\/ | ||\n"
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"|| .==' _-' '-__\\._-' '-_./__-' `' |. /| | ||\n"
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"||.==' _-' `' | /==.||\n"
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"==' _-' E M A C S \\/ `==\n"
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"\\ _-' `-_ /\n"
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" `'' ``'")
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'face 'font-lock-comment-face)
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"\n\n"
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(s-center 73 (doom--scratch-info))
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"\n\n"
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(s-center
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78 (propertize (format "Loaded %d packages in %s"
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(length doom-packages)
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(emacs-init-time))
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'face '(:inherit font-lock-comment-face
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:height 0.9))))
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(setq doom--scratch-width width
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doom--scratch-height height)))
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(goto-char 1521)
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(when dir (setq default-directory dir))
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(setq mode-line-format (doom-modeline 'scratch))
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;; Readjust the scratch buffer if it is visible, when the frame changes.
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(add-hook 'window-configuration-change-hook 'doom-reload-scratch-buffer)))
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;; TODO Less hard-coded
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(defun doom--scratch-info ()
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(let ((all-the-icons-scale-factor 1.3)
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(all-the-icons-default-adjust -0.05)
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(last-session-p (f-exists-p wg-session-file))
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(start (point))
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(sep " ")
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end)
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(unless last-session-p
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(setq sep " "))
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(with-temp-buffer
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(insert-text-button
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(concat (all-the-icons-octicon
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"mark-github"
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:face 'font-lock-keyword-face)
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(propertize " Homepage" 'face 'font-lock-keyword-face))
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'action '(lambda (_) (browse-url "https://github.com/hlissner/.emacs.d"))
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'follow-link t)
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(insert sep " ")
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(insert-text-button
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(concat (all-the-icons-octicon
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"file-text"
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:face 'font-lock-keyword-face)
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(propertize " Recent files" 'face 'font-lock-keyword-face))
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'action '(lambda (_) (call-interactively 'counsel-recentf))
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'follow-link t)
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(insert sep)
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(insert-text-button
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(concat (all-the-icons-octicon
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"tools"
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:face 'font-lock-keyword-face)
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(propertize " Edit emacs.d" 'face 'font-lock-keyword-face))
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'action '(lambda (_) (find-file (f-expand "init.el" doom-emacs-dir)))
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'follow-link t)
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(when last-session-p
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(insert sep)
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(insert-text-button
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(concat (all-the-icons-octicon
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"history"
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:face 'font-lock-keyword-face)
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(propertize " Reload last session" 'face 'font-lock-keyword-face))
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'action '(lambda (_) (doom:workgroup-load))
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'follow-link t))
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(setq end (point))
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(buffer-string))))
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(provide 'core-scratch)
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;;; core-scratch.el ends here
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