X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=spray.el;h=361e0490cb0d0af45f85e9cdf4088d175b564d0f;hb=f9426601f5b550ccaea9e6a5163967384cfd6615;hp=10b44416706aade28d08720c460e9b1ec47a3e58;hpb=8023cd3e677541411695fad109648de8e961a1fe;p=spray diff --git a/spray.el b/spray.el index 10b4441..361e049 100644 --- a/spray.el +++ b/spray.el @@ -1,95 +1,195 @@ -;; custom +;;; cedit.el --- a speed reading mode + +;; Copyright (C) 2014 zk_phi + +;; This program is free software; you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation; either version 2 of the License, or +;; (at your option) any later version. +;; +;; This program is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. +;; +;; You should have received a copy of the GNU General Public License +;; along with this program; if not, write to the Free Software +;; Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +;; Author: zk_phi +;; URL: http://hins11.yu-yake.com/ +;; Version: 0.0.0 + +;;; Commentary: + +;; Put this script into a "load-path"ed directory, and load it in your +;; init file. +;; +;; (require 'spray) +;; +;; Then you may run spray with "M-x spray-mode". Binding some keys may +;; also be useful. +;; +;; (global-set-key (kbd "") 'spray-mode) +;; +;; For more informations, see Readme.org. + +;;; Change Log: +;; 0.0.0 test release + +;;; Code: + +(require 'face-remap) + +;; * customizable vars + (defvar spray-wpm 400 "words/min") -(defvar spray-text-scale 5) +(defvar spray-height 400 "height of characters") + +(defvar spray-mode-map + (let ((km (make-sparse-keymap))) + (define-key km (kbd "SPC") 'spray-start/stop) + (define-key km (kbd "h") 'spray-backward-word) + (define-key km (kbd "l") 'spray-forward-word) + (define-key km (kbd "") 'spray-backward-word) + (define-key km (kbd "") 'spray-forward-word) + km) + "keymap for spray-mode buffers") + +;; * faces + +(make-face 'spray-base-face) +(set-face-attribute 'spray-base-face nil + :background (face-background 'default) + :foreground (face-foreground 'default)) (make-face 'spray-orp-face) (set-face-attribute 'spray-orp-face nil :foreground "red" - :underline (face-foreground 'default) - :overline (face-foreground 'default)) + :overline (face-foreground 'default) + :underline (face-foreground 'default)) + +;; * internal vars -;; internal variables for spraying -(defvar spray--padding-overlay nil) +(defvar spray--base-overlay nil) (defvar spray--orp-overlay nil) -(defvar spray--timer nil) +(defvar spray--running nil) (defvar spray--delay 0) - -;; incompatible minor-modes -(defvar spray--saved-global-hl-line-mode nil) -(defvar spray--saved-font-lock-mode nil) -(defvar spray--saved-hl-line-mode nil) (defvar spray--saved-cursor-type nil) +(defvar spray--saved-buffer-face nil) +(defvar spray--saved-restriction nil) + +;; * the mode +;;;###autoload (define-minor-mode spray-mode "spray mode" :init nil - :global nil + :keymap spray-mode-map (cond (spray-mode - (setq spray--orp-overlay (make-overlay 0 0) - spray--padding-overlay (make-overlay 0 0) - spray--timer (run-with-timer 0 (/ 60.0 spray-wpm) 'spray-next) - spray--saved-cursor-type cursor-type) + (setq spray--base-overlay (make-overlay (point-min) (point-max)) + spray--orp-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)) (setq cursor-type nil) - (text-scale-set spray-text-scale) + (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-orp-face) - (add-hook 'pre-command-hook 'turn-off-spray-mode) - ;; disable incompatible minor-modes - (when (boundp 'global-hl-line-mode) - (setq spray--saved-global-hl-line-mode global-hl-line-mode) - (set (make-local-variable 'global-hl-line-mode) nil)) - (when (boundp 'font-lock-mode) - (setq spray--saved-font-lock-mode font-lock-mode) - (font-lock-mode -1)) - (when (boundp 'hl-line-mode) - (setq spray--saved-hl-line-mode hl-line-mode) - (hl-line-mode -1))) + (add-hook 'pre-command-hook 'spray--pre-command-handler) + (spray-start/stop 1)) (t - (widen) (setq cursor-type spray--saved-cursor-type) - (text-scale-set 0) + (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) - (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 () + (remove-hook 'pre-command-hook 'spray--pre-command-handler) + (spray-start/stop -1)))) + +(defun spray--pre-command-handler () + (unless (memq this-command + '(spray-forward-word spray-backward-word spray-start/stop)) + (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)) + (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 9) 1 0) + (if (looking-at "\n[\s\t\n]") 3 0) + (cl-case (char-before) + ((?. ?! ?\? ?\;) 3) + ((?, ?:) 1) + (t 0)))) + (move-overlay spray--orp-overlay (1- orp) orp) + (move-overlay spray--base-overlay beg end) + (overlay-put spray--base-overlay + 'before-string (make-string (- 5 (- orp beg)) ?\s)) + (narrow-to-region beg end))) + +(defun spray--update () (cond ((not (zerop spray--delay)) (setq spray--delay (1- spray--delay)) - (when (and (<= spray--delay 2) - (= (char-before) ?.)) + (when (= spray--delay 2) (narrow-to-region (point) (point)))) (t (widen) (if (eobp) - (turn-off-spray-mode) + (spray-mode -1) (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)))))) + (spray--word-at-point))))) + +;; * interactive commands + +(defun spray-start/stop (&optional switch) + (interactive) + (cond ((and (memql switch '(nil 1)) + (not spray--running)) + (setq spray--running + (run-with-timer 0 (/ 60.0 spray-wpm) 'spray--update))) + ((memql switch '(nil -1)) + (cancel-timer spray--running) + (setq spray--running nil)) + (t + nil))) + +(defun spray-forward-word () + (interactive) + (when spray--running (spray-start/stop -1)) + (widen) + (skip-chars-forward "\s\t\n") + (spray--word-at-point)) + +(defun spray-backward-word () + (interactive) + (when spray--running (spray-start/stop -1)) + (widen) + (skip-chars-backward "^\s\t\n") + (skip-chars-backward "\s\t\n") + (spray--word-at-point)) + +;; * provide (provide 'spray) + +;;; spray.el ends here