sbbs.el

(defcustom sbbs-jump-to-link t
  "Jump to first link after narrowing posts."
  :type 'boolean)

(defcustom sbbs-recenter-to-top t
  "Move point to top of frame when moving through posts."
  :type 'boolean)

(defcustom sbbs-open-at-last-post t
  "Jump to last post in a thread when opening a thread."
  :type 'boolean)

(defface sbbs--spoiler-face
  '((((background light)) :background "black" :foreground "black")
    (((background dark)) :background "white" :foreground "white"))
  "Face for spoiler text in threads.")

(defface sbbs--uncover-spoiler-face

                (format "Thread %d: %s" id
                        (cdr (assq 'headline thread))))
          (dolist (post (cadr (assq 'posts thread)))
            (sbbs--thread-insert-post post))
          (delete-blank-lines)
          (when range
            (sbbs--limit-to-range range))
          (if sbbs-open-at-last-post
              (sbbs-goto-end)
            (goto-char (point-min))))))))

 ;; INTERACTIVE FUNCTIONS

(defun sbbs-show-all ()
  "Show all hidden posts."
  (interactive)
  (sbbs-show-pop -1))

        (when (and (eq 'sbbs--post-header-face (get-text-property (point) 'face))
                   (not (get-text-property (point) 'invisible)))
          (throw 'found t)))))
  (beginning-of-line)
  (when sbbs-recenter-to-top
    (set-window-start (selected-window) (point))))

(defun sbbs-goto-end ()
  "Jump to last message in the curren thread."
  (interactive)
  (goto-char (point-max))
  (let ((sbbs-recenter-to-top nil))
    (sbbs-read-previous 1)))

;;;###autoload
(defun sbbs-browse (board reload)
  "Open thread overview for BOARD."
  (interactive (list (sbbs-read-board) nil))
  (let* ((name (format "*browsing /%s/*" (sbbs--board-name board)))
         (url (sbbs--board-url "list" t board)))
    (if (and (get-buffer name) (not reload))

    (suppress-keymap map)
    (define-key map (kbd "<tab>") #'forward-button)
    (define-key map (kbd "<backtab>") #'backward-button)
    (define-key map (kbd "r") #'sbbs-read-reply)
    (define-key map (kbd "n") #'sbbs-read-next)
    (define-key map (kbd "p") #'sbbs-read-previous)
    (define-key map (kbd "a") #'sbbs-show-pop)
    (define-key map (kbd "u") #'sbbs-show-pop)
    (define-key map (kbd "l") #'sbbs-show-pop)
    (define-key map (kbd "A") #'sbbs-show-all)
    (define-key map (kbd "f") #'sbbs-show-replies)
    (define-key map (kbd "e") #'sbbs-goto-end)
    (define-key map (kbd ">") #'sbbs-goto-end)
    map))

(define-derived-mode sbbs-read-mode special-mode "SchemeBBS Read"
  "Major mode for reading a thread."
  (buffer-disable-undo)
  (visual-line-mode t)
  (setq-local revert-buffer-function #'sbbs--reload-thread)