;;; calc.el --- the GNU Emacs calculator
-;; Copyright (C) 1990, 1991, 1992, 1993, 2001, 2002, 2003, 2004, 2005,
-;; 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+;; Copyright (C) 1990-1993, 2001-2011 Free Software Foundation, Inc.
;; Author: David Gillespie <daveg@synaptics.com>
;; Maintainer: Jay Belanger <jay.p.belanger@gmail.com>
:group 'calc
:type 'integer)
+(defcustom calc-highlight-selections-with-faces
+ nil
+ "If non-nil, use a separate face to indicate selected sub-formulas.
+If `calc-show-selections' is non-nil, then selected sub-formulas are shown
+by displaying the rest of the formula in `calc-nonselected-face'.
+If `calc-show-selections' is nil, then selected sub-formulas are shown
+by displaying the sub-formula in `calc-selected-face'."
+ :group 'calc
+ :type 'boolean)
+
+(defcustom calc-lu-field-reference
+ "20 uPa"
+ "The default reference level for logarithmic units (field)."
+ :group 'calc
+ :type '(string))
+
+(defcustom calc-lu-power-reference
+ "mW"
+ "The default reference level for logarithmic units (power)."
+ :group 'calc
+ :type '(string))
+
+(defcustom calc-note-threshold "1"
+ "The number of cents that a frequency should be near a note
+to be identified as that note."
+ :type 'string
+ :group 'calc)
+
+(defface calc-nonselected-face
+ '((t :inherit shadow
+ :slant italic))
+ "Face used to show the non-selected portion of a formula."
+ :group 'calc)
+
+(defface calc-selected-face
+ '((t :weight bold))
+ "Face used to show the selected portion of a formula."
+ :group 'calc)
+
(defvar calc-bug-address "jay.p.belanger@gmail.com"
"Address of the maintainer of Calc, for use by `report-calc-bug'.")
(define-key map "\C-j" 'calc-over)
(define-key map "\C-y" 'calc-yank)
(define-key map [mouse-2] 'calc-yank)
+ (define-key map [remap undo] 'calc-undo)
(mapc (lambda (x) (define-key map (char-to-string x) 'undefined))
"lOW")
(mapc (lambda (x) (define-key map (char-to-string x) 'calc-missing-key))
(concat "ABCDEFGHIJKLMNOPQRSTUVXZabcdfghjkmoprstuvwxyz"
- ":\\|!()[]<>{},;=~`\C-k\C-w\C-_"))
+ ":\\|!()[]<>{},;=~`\C-k\C-w"))
(define-key map "\M-w" 'calc-missing-key)
(define-key map "\M-k" 'calc-missing-key)
(define-key map "\M-\C-w" 'calc-missing-key)
(if (not info-list)
(progn
(setq calc-buffer-list (delete cb calc-buffer-list))
- (with-current-buffer calc-trail-buffer
- (if (eq cb calc-main-buffer)
- ;; If there are other Calc stacks, make another one
- ;; the calc-main-buffer ...
- (if calc-buffer-list
- (setq calc-main-buffer (car calc-buffer-list))
- ;; ... otherwise kill the trail and its windows.
- (let ((wl (get-buffer-window-list calc-trail-buffer)))
- (while wl
- (delete-window (car wl))
- (setq wl (cdr wl))))
- (kill-buffer calc-trail-buffer)
- (setq calc-trail-buffer nil))))
+ (if (buffer-live-p calc-trail-buffer)
+ (with-current-buffer calc-trail-buffer
+ (if (eq cb calc-main-buffer)
+ ;; If there are other Calc stacks, make another one
+ ;; the calc-main-buffer ...
+ (if calc-buffer-list
+ (setq calc-main-buffer (car calc-buffer-list))
+ ;; ... otherwise kill the trail and its windows.
+ (let ((wl (get-buffer-window-list calc-trail-buffer)))
+ (while wl
+ (delete-window (car wl))
+ (setq wl (cdr wl))))
+ (kill-buffer calc-trail-buffer)))))
+ (setq calc-trail-buffer nil)
t))))
(defun calc-mode ()
(set (make-local-variable 'calc-main-buffer) buf))
(when (= (buffer-size) 0)
(let ((buffer-read-only nil))
- (insert (propertize (concat "Emacs Calculator Trail\n")
- 'font-lock-face 'italic))))
+ (insert (propertize "Emacs Calculator Trail\n" 'face 'italic))))
(run-mode-hooks 'calc-trail-mode-hook))
(defun calc-create-buffer ()
(erase-buffer)
(when calc-show-banner
(insert (propertize "--- Emacs Calculator Mode ---\n"
- 'font-lock-face 'italic)))
+ 'face 'italic)))
(while thing
(goto-char (point-min))
(when calc-show-banner
;; coding: utf-8
;; End:
-;; arch-tag: 0c3b170c-4ce6-4eaf-8d9b-5834d1fe938f
;;; calc.el ends here