- (text-scale-set 0)
- (delete-overlay spray--orp-overlay)
- (delete-overlay spray--padding-overlay)
- (cancel-timer spray--timer)
- (remove-hook 'pre-command-hook 'turn-off-spray-mode)
- ;; restore incompatible minor-modes
- (when spray--saved-global-hl-line-mode
- (setq global-hl-line-mode spray--saved-global-hl-line-mode))
- (when spray--saved-font-lock-mode
- (font-lock-mode 1))
- (when spray--saved-hl-line-mode
- (hl-line-mode 1)))))
-
-(defun turn-on-spray-mode () (interactive) (spray-mode 1))
-(defun turn-off-spray-mode () (interactive) (spray-mode -1))
-
-(defun spray-next ()
- (if (not (zerop spray--delay))
- (setq spray--delay (1- spray--delay))
- (widen)
- (if (eobp)
- (turn-off-spray-mode)
- (skip-chars-forward "\s\t\n")
- (let* ((beg (point))
- (len (skip-chars-forward "^\s\t\n"))
- (end (point))
- (orp (+ beg (cl-case len
- ((1) 1)
- ((2 3 4 5) 2)
- ((6 7 8 9) 3)
- ((10 11 12 13) 4)
- (t 5)))))
- (setq spray--delay (+ (if (> len 8) 1 0) (cl-case (char-before)
- ((?. ?! ?\? ?\;) 3)
- ((?, ?:) 1)
- (t 0))))
- (overlay-put spray--padding-overlay
- 'before-string (make-string (- 5 (- orp beg)) ?\s))
- (move-overlay spray--padding-overlay beg (1+ beg))
- (move-overlay spray--orp-overlay (1- orp) orp)
- (narrow-to-region beg end)))))
+ (if spray--saved-restriction
+ (narrow-to-region (car spray--saved-restriction)
+ (cdr spray--saved-restriction))
+ (widen))
+ (buffer-face-mode -1)
+ (if spray--saved-buffer-face
+ (let ((buffer-face-mode-face spray--saved-buffer-face))
+ (buffer-face-mode 1)))
+ (delete-overlay spray--base-overlay)
+ (delete-overlay spray--accent-overlay)
+ (spray-stop))))
+
+(defun spray-quit ()
+ "Exit spray mode."
+ (interactive)
+ (spray-mode -1))
+
+(defun spray--word-at-point ()
+ (skip-chars-backward "^\s\t\n")
+ (let* ((beg (point))
+ (len (skip-chars-forward "^\s\t\n"))
+ (end (point))
+ (accent (+ beg (cl-case len
+ ((1) 1)
+ ((2 3 4 5) 2)
+ ((6 7 8 9) 3)
+ ((10 11 12 13) 4)
+ (t 5)))))
+ (setq spray--delay (+ (if (> len 9) 1 0)
+ (if (looking-at "\n[\s\t\n]") 3 0)
+ (cl-case (char-before)
+ ((?. ?! ?\? ?\;) 3)
+ ((?, ?:) 1)
+ (t 0))))
+ (move-overlay spray--accent-overlay (1- accent) accent)
+ (move-overlay spray--base-overlay beg end)
+ (spray-set-margins)
+ (overlay-put spray--base-overlay 'before-string
+ (concat spray--margin-string
+ (make-string (- 5 (- accent beg)) ?\s)))
+ (narrow-to-region beg end)))
+
+(defun spray--update ()
+ (cond ((not (zerop spray--delay))
+ (setq spray--delay (1- spray--delay))
+ (when (= spray--delay 2)
+ (narrow-to-region (point) (point))))
+ (t
+ (widen)
+ (if (eobp)
+ (spray-mode -1)
+ (skip-chars-forward "\s\t\n")
+ (spray--word-at-point)))))
+
+;; * interactive commands
+
+(defun spray-start/stop ()
+ "Toggle pause/unpause spray."
+ (interactive)
+ (or (spray-stop) (spray-start)))
+
+(defun spray-stop ()
+ "Pause spray.
+Returns t if spray was unpaused."
+ (interactive)
+ (prog1 spray--running
+ (when spray--running
+ (cancel-timer spray--running)
+ (setq spray--running nil))))
+
+(defun spray-start ()
+ "Start / resume spray."
+ (interactive)
+ (setq spray--running
+ (run-with-timer 0 (/ 60.0 spray-wpm) 'spray--update)))
+
+
+(defun spray-forward-word ()
+ (interactive)
+ (spray-stop)
+ (widen)
+ (skip-chars-forward "\s\t\n")
+ (spray--word-at-point))
+
+(defun spray-backward-word ()
+ (interactive)
+ (spray-stop)
+ (widen)
+ (skip-chars-backward "^\s\t\n")
+ (skip-chars-backward "\s\t\n")
+ (spray--word-at-point))
+
+(defun spray-faster ()
+ "Increases speed.
+
+Increases the wpm (words per minute) parameter. See the variable
+`spray-wmp'."
+ (interactive)
+ (spray-inc-wpm 20))
+
+(defun spray-slower ()
+ "Decreases speed.
+
+Decreases the wpm (words per minute) parameter. See the variable
+`spray-wmp'."
+ (interactive)
+ (spray-inc-wpm -20))
+
+(defun spray-inc-wpm (delta)
+ (let ((was-running spray--running))
+ (spray-stop)
+ (when (< 10 (+ spray-wpm delta))
+ (setq spray-wpm (+ spray-wpm delta)))
+ (and was-running (spray-backward-word))
+ (message "spray wpm: %d" spray-wpm)
+ (when was-running
+ (spray-start))))
+
+;; * provide