-;;; cedit.el --- a speed reading mode
+;;; spray.el --- a speed reading mode
;; Copyright (C) 2014 zk_phi
;; Author: zk_phi
;; URL: http://hins11.yu-yake.com/
;; Author: Ian Kelling <ian@iankelling.org>
-;; Version: 0.0.1
+;; Version: 0.0.2
;;; Commentary:
;;
;; For more informations, see Readme.org.
+;; Known bugs.
+;; repeated words are indistinguishable, for example
+;; "going, going, gone" reads like going, gone, with a slight delay.
+;;
+;; sentences (like this) should trigger a pause for ( and )
+
;;; Change Log:
;; 0.0.0 test release
;; 0.0.1 add spray-set-margins
+;; 0.0.2 margin options, speed control, better quit
;;; Code:
;; * customizable vars
-(defvar spray-wpm 400 "words/min")
-(defvar spray-height 400 "height of characters")
-(defvar spray-margin-top 1 "character margin at top of buffer. Characters are as big as spray text characters.")
-(defvar spray-margin-left 0 "character margin at left of buffer. Characters are as big as spray text characters.")
+(defvar spray-wpm 400
+ "words/min")
+
+(defvar spray-height 400
+ "height of characters")
+
+(defvar spray-margin-top 1
+ "character margin at top of buffer. Characters are as big as
+ spray text characters.")
+
+(defvar spray-margin-left 1
+ "character margin at left of buffer. Characters are as big as
+ spray text characters.")
+
+(defvar spray-ramp 2
+ "Ramp up to full speed. Pause for this multiple of wpm on the first word,
+decreasing by one for each subsequent word.")
(defvar spray-mode-map
(let ((km (make-sparse-keymap)))
(define-key km (kbd "<left>") 'spray-backward-word)
(define-key km (kbd "<right>") 'spray-forward-word)
(define-key km (kbd "f") 'spray-faster)
+ (define-key km (kbd "s") 'spray-slower)
(define-key km (kbd "q") 'spray-quit)
(define-key km (kbd "<return>") 'spray-quit)
+ (define-key km [remap forward-char] 'spray-forward-word)
+ (define-key km [remap backward-char] 'spray-backward-word)
+ (define-key km [remap forward-word] 'spray-forward-word)
+ (define-key km [remap backward-word] 'spray-backward-word)
+ (define-key km [remap keyboard-quit] 'spray-quit)
km)
"keymap for spray-mode buffers")
+(defvar spray-unsupported-minor-modes
+ '(buffer-face-mode smartparens-mode highlight-symbol-mode))
+
;; * faces
(make-face 'spray-base-face)
(set-face-attribute 'spray-base-face nil
- :background (face-background 'default)
- :foreground (face-foreground 'default)
- :slant 'normal)
+ :inherit 'default)
(make-face 'spray-accent-face)
(set-face-attribute 'spray-accent-face nil
- :foreground "red"
- :overline (face-foreground 'default)
- :underline (face-foreground 'default)
- :slant 'normal)
+ :inherit 'spray-base-face
+ :foreground "red")
;; * internal vars
-(defvar spray--margin-string ""
- "Currently not used.")
+(defvar spray--margin-string "")
(defvar spray--base-overlay nil)
-(defvar spray--orp-overlay nil)
+(defvar spray--accent-overlay nil)
(defvar spray--running nil)
+(defvar spray--first-words 0)
+(defvar spray--initial-delay 0)
(defvar spray--delay 0)
(defvar spray--saved-cursor-type nil)
-(defvar spray--saved-buffer-face nil)
(defvar spray--saved-restriction nil)
+(defvar spray--saved-minor-modes nil)
;; * utility functions
:keymap spray-mode-map
(cond (spray-mode
(setq spray--base-overlay (make-overlay (point-min) (point-max))
- spray--orp-overlay (make-overlay 0 0)
+ spray--accent-overlay (make-overlay 0 0)
spray--saved-cursor-type cursor-type
spray--saved-restriction (and (buffer-narrowed-p)
- (cons (point-min) (point-max)))
- spray--saved-buffer-face (and (boundp 'buffer-face-mode)
- buffer-face-mode
- buffer-face-mode-face))
+ (cons (point-min) (point-max))))
+ (dolist (mode spray-unsupported-minor-modes)
+ (when (and (boundp mode) (eval mode))
+ (funcall mode -1)
+ (push mode spray--saved-minor-modes)))
(setq cursor-type nil)
(let ((buffer-face-mode-face `(:height ,spray-height)))
(buffer-face-mode 1))
(overlay-put spray--base-overlay 'priority 100)
(overlay-put spray--base-overlay 'face 'spray-base-face)
- (overlay-put spray--orp-overlay 'priority 101)
- (overlay-put spray--orp-overlay 'face 'spray-accent-face)
+ (overlay-put spray--accent-overlay 'priority 101)
+ (overlay-put spray--accent-overlay 'face 'spray-accent-face)
(spray-start))
(t
- (setq cursor-type spray--saved-cursor-type)
+ (spray-stop)
+ (delete-overlay spray--accent-overlay)
+ (delete-overlay spray--base-overlay)
+ (buffer-face-mode -1)
(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--orp-overlay)
- (spray-stop))))
+ (setq cursor-type spray--saved-cursor-type)
+ (dolist (mode spray--saved-minor-modes)
+ (funcall mode 1))
+ (setq spray--saved-minor-modes nil))))
(defun spray-quit ()
"Exit spray mode."
(spray-mode -1))
(defun spray--word-at-point ()
- (skip-chars-backward "^\s\t\n")
+ (skip-chars-backward "^\s\t\n—")
(let* ((beg (point))
- (len (skip-chars-forward "^\s\t\n"))
+ (len (+ (skip-chars-forward "^\s\t\n—") (skip-chars-forward "—")))
(end (point))
- (orp (+ beg (cl-case len
+ (accent (+ beg (cl-case len
((1) 1)
((2 3 4 5) 2)
((6 7 8 9) 3)
((10 11 12 13) 4)
(t 5)))))
+ ;; this fairly obfuscated, using magic numbers to store state
+ ;; it would be nice to sometime patch this so it is more readable.
+ ;; for greater than 9 length, we display for twice as long
+ ;; for some punctuation, we display a blank
(setq spray--delay (+ (if (> len 9) 1 0)
(if (looking-at "\n[\s\t\n]") 3 0)
(cl-case (char-before)
((?. ?! ?\? ?\;) 3)
- ((?, ?:) 1)
+ ((?, ?: ?—) 1)
(t 0))))
- (move-overlay spray--orp-overlay (1- orp) orp)
+ (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 (- orp beg)) ?\s)))
+ (make-string (- 5 (- accent beg)) ?\s)))
(narrow-to-region beg end)))
(defun spray--update ()
- (cond ((not (zerop spray--delay))
+ (cond ((not (zerop spray--initial-delay))
+ (setq spray--initial-delay (1- spray--initial-delay)))
+ ((not (zerop spray--delay))
(setq spray--delay (1- spray--delay))
(when (= spray--delay 2)
(narrow-to-region (point) (point))))
(widen)
(if (eobp)
(spray-mode -1)
- (skip-chars-forward "\s\t\n")
+ (when (not (zerop spray--first-words))
+ (setq spray--initial-delay spray--first-words)
+ (setq spray--first-words (1- spray--first-words)))
+ (skip-chars-forward "\s\t\n—")
(spray--word-at-point)))))
;; * interactive commands
(defun spray-start ()
"Start / resume spray."
(interactive)
+ (setq spray--first-words spray-ramp)
(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")
+ (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")
+ (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'."
+`spray-wpm'."
(interactive)
(spray-inc-wpm 20))
"Decreases speed.
Decreases the wpm (words per minute) parameter. See the variable
-`spray-wmp'."
+`spray-wpm'."
(interactive)
(spray-inc-wpm -20))