;;; mpuz.el --- multiplication puzzle for GNU Emacs
-;; Copyright (C) 1990, 2001-2011 Free Software Foundation, Inc.
+;; Copyright (C) 1990, 2001-2015 Free Software Foundation, Inc.
;; Author: Philippe Schnoebelen <phs@lsv.ens-cachan.fr>
;; Overhauled: Daniel Pfeiffer <occitan@esperanto.org>
:prefix "mpuz-"
:group 'games)
-(random t) ; randomize
-
(defcustom mpuz-silent 'error
"Set this to nil if you want dings on inputs.
-t means never ding, and `error' means only ding on wrong input."
+The value t means never ding, and `error' means only ding on wrong input."
:type '(choice (const :tag "No" nil)
(const :tag "Yes" t)
(const :tag "If correct" error))
:group 'mpuz)
(defface mpuz-unsolved
- '((((class color)) (:foreground "red1" :bold t))
- (t (:bold t)))
- "Face to use for letters to be solved."
+ '((default :weight bold)
+ (((class color)) :foreground "red1"))
+ "Face for letters to be solved."
:group 'mpuz)
(defface mpuz-solved
- '((((class color)) (:foreground "green1" :bold t))
- (t (:bold t)))
- "Face to use for solved digits."
+ '((default :weight bold)
+ (((class color)) :foreground "green1"))
+ "Face for solved digits."
:group 'mpuz)
(defface mpuz-trivial
- '((((class color)) (:foreground "blue" :bold t))
- (t (:bold t)))
- "Face to use for trivial digits solved for you."
+ '((default :weight bold)
+ (((class color)) :foreground "blue"))
+ "Face for trivial digits solved for you."
:group 'mpuz)
(defface mpuz-text
- '((t (:inherit variable-pitch)))
- "Face to use for text on right."
+ '((t :inherit variable-pitch))
+ "Face for text on right."
:group 'mpuz)
\f
(defvar mpuz-mode-map
(let ((map (make-sparse-keymap)))
- (define-key map "a" 'mpuz-try-letter)
- (define-key map "b" 'mpuz-try-letter)
- (define-key map "c" 'mpuz-try-letter)
- (define-key map "d" 'mpuz-try-letter)
- (define-key map "e" 'mpuz-try-letter)
- (define-key map "f" 'mpuz-try-letter)
- (define-key map "g" 'mpuz-try-letter)
- (define-key map "h" 'mpuz-try-letter)
- (define-key map "i" 'mpuz-try-letter)
- (define-key map "j" 'mpuz-try-letter)
- (define-key map "A" 'mpuz-try-letter)
- (define-key map "B" 'mpuz-try-letter)
- (define-key map "C" 'mpuz-try-letter)
- (define-key map "D" 'mpuz-try-letter)
- (define-key map "E" 'mpuz-try-letter)
- (define-key map "F" 'mpuz-try-letter)
- (define-key map "G" 'mpuz-try-letter)
- (define-key map "H" 'mpuz-try-letter)
- (define-key map "I" 'mpuz-try-letter)
- (define-key map "J" 'mpuz-try-letter)
+ (mapc (lambda (ch)
+ (define-key map (char-to-string ch) 'mpuz-try-letter))
+ "abcdefghijABCDEFGHIJ")
(define-key map "\C-g" 'mpuz-offer-abort)
(define-key map "?" 'describe-mode)
map)
-(defun mpuz-mode ()
+(define-derived-mode mpuz-mode fundamental-mode "Mult Puzzle"
"Multiplication puzzle mode.
You have to guess which letters stand for which digits in the
To leave the game to do other editing work, just switch buffers.
Then you may resume the game with M-x mpuz.
You may abort a game by typing \\<mpuz-mode-map>\\[mpuz-offer-abort]."
- (interactive)
- (kill-all-local-variables)
- (setq major-mode 'mpuz-mode
- mode-name "Mult Puzzle"
- tab-width 30)
- (use-local-map mpuz-mode-map)
- (run-mode-hooks 'mpuz-mode-hook))
+ (setq tab-width 30))
\f
;; Some variables for statistics
"A permutation from [0..9] to [0..9].")
(defvar mpuz-letter-to-digit (make-vector 10 0)
- "The inverse of mpuz-digit-to-letter.")
+ "The inverse of `mpuz-digit-to-letter'.")
(defmacro mpuz-to-digit (letter)
(list 'aref 'mpuz-letter-to-digit letter))
(defvar mpuz-board (make-vector 10 nil)
"The board associates to any digit the list of squares where it appears.")
-(defun mpuz-put-number-on-board (number row &rest l)
+(defun mpuz-put-number-on-board (number row &rest columns)
"Put (last digit of) NUMBER on ROW and COLUMNS of the puzzle board."
(let (digit)
- (while l
+ (dolist (column columns)
(setq digit (% number 10)
- number (/ number 10))
- (aset mpuz-board digit `((,row . ,(car l)) ,@(aref mpuz-board digit)))
- (setq l (cdr l)))))
+ number (/ number 10))
+ (aset mpuz-board digit `((,row . ,column) ,@(aref mpuz-board digit))))))
(defun mpuz-check-all-solved (&optional row col)
- "Check whether all digits have been solved. Return t if yes."
+ "Check whether all digits have been solved. Return t if yes."
(catch 'solved
(let (A B1 B2 C D E squares)
(and mpuz-solve-when-trivial
"The general picture of the puzzle screen, as a string.")
(defun mpuz-create-buffer ()
- "Create (or recreate) the puzzle buffer. Return it."
+ "Create (or recreate) the puzzle buffer. Return it."
(let ((buf (get-buffer-create "*Mult Puzzle*"))
(face '(face mpuz-text))
buffer-read-only)
"Propose a digit for a letter in puzzle."
(interactive)
(if mpuz-in-progress
- (let (letter-char digit digit-char message)
+ (let (letter-char digit digit-char)
(setq letter-char (upcase last-command-event)
digit (mpuz-to-digit (- letter-char ?A)))
(cond ((mpuz-digit-solved-p digit)
"Propose LETTER-CHAR as code for DIGIT-CHAR."
(let* ((letter (- letter-char ?A))
(digit (- digit-char ?0))
- (correct-digit (mpuz-to-digit letter))
- (game mpuz-nb-completed-games))
+ (correct-digit (mpuz-to-digit letter)))
(cond ((mpuz-digit-solved-p correct-digit)
(message "%c has already been found." (+ correct-digit ?0)))
((mpuz-digit-solved-p digit)