;;; calc-help.el --- help display functions for Calc,
-;; Copyright (C) 1990, 1991, 1992, 1993, 2001, 2002 Free Software Foundation, Inc.
+;; Copyright (C) 1990, 1991, 1992, 1993, 2001, 2002, 2003, 2004,
+;; 2005, 2006, 2007 Free Software Foundation, Inc.
;; Author: David Gillespie <daveg@synaptics.com>
-;; Maintainers: D. Goel <deego@gnufans.org>
-;; Colin Walters <walters@debian.org>
+;; Maintainer: Jay Belanger <jay.p.belanger@gmail.com>
;; This file is part of GNU Emacs.
+;; GNU Emacs 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 3, or (at your option)
+;; any later version.
+
;; GNU Emacs is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY. No author or distributor
-;; accepts responsibility to anyone for the consequences of using it
-;; or for whether it serves any particular purpose or works at all,
-;; unless he says so in writing. Refer to the GNU Emacs General Public
-;; License for full details.
-
-;; Everyone is granted permission to copy, modify and redistribute
-;; GNU Emacs, but only under the conditions described in the
-;; GNU Emacs General Public License. A copy of this license is
-;; supposed to have been given to you along with GNU Emacs so you
-;; can know your rights and responsibilities. It should be in a
-;; file named COPYING. Among other things, the copyright notice
-;; and this notice must be preserved on all copies.
+;; 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 GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;; Code:
;; This file is autoloaded from calc-ext.el.
-(require 'calc-ext)
+(require 'calc-ext)
(require 'calc-macs)
-(defun calc-Need-calc-help () nil)
+;; Declare functions which are defined elsewhere.
+(declare-function Info-goto-node "info" (nodename &optional fork))
+(declare-function Info-last "info" ())
(defun calc-help-prefix (arg)
(describe-bindings)
(save-excursion
(set-buffer "*Help*")
- (goto-char (point-min))
- (if (search-forward "Global bindings:" nil t)
- (delete-region (match-beginning 0) (point-max)))
- (goto-char (point-min))
- (while (re-search-forward "\n[a-z] ESC" nil t)
- (end-of-line)
- (delete-region (match-beginning 0) (point)))
- (goto-char (point-min))
- (while (re-search-forward "\nESC m" nil t)
- (end-of-line)
- (delete-region (match-beginning 0) (point)))
- (goto-char (point-min))
- (while (search-forward "\n\n\n" nil t)
- (backward-delete-char 1)
- (backward-char 2))
- (goto-char (point-min))
- (while
- (re-search-forward
- "\n[a-z] [0-9]\\(\t\t.*\n\\)\\([a-z] [0-9]\\1\\)*[a-z] \\([0-9]\\)\\1"
- nil t)
- (let ((dig1 (char-after (1- (match-beginning 1))))
- (dig2 (char-after (match-beginning 3))))
- (delete-region (match-end 1) (match-end 0))
- (goto-char (match-beginning 1))
- (delete-backward-char 1)
- (delete-char 1)
- (insert (format "%c .. %c" (min dig1 dig2) (max dig1 dig2)))))
- (goto-char (point-min))))
+ (let ((inhibit-read-only t))
+ (goto-char (point-min))
+ (when (search-forward "Major Mode Bindings:" nil t)
+ (delete-region (point-min) (point))
+ (insert "Calc Mode Bindings:"))
+ (when (search-forward "Global bindings:" nil t)
+ (forward-line -1)
+ (delete-region (point) (point-max)))
+ (goto-char (point-min))
+ (while
+ (re-search-forward
+ "\n[a-z] [0-9]\\( .*\n\\)\\([a-z] [0-9]\\1\\)*[a-z] \\([0-9]\\)\\1"
+ nil t)
+ (let ((dig1 (char-after (1- (match-beginning 1))))
+ (dig2 (char-after (match-beginning 3))))
+ (delete-region (match-end 1) (match-end 0))
+ (goto-char (match-beginning 1))
+ (delete-backward-char 1)
+ (delete-char 5)
+ (insert (format "%c .. %c" (min dig1 dig2) (max dig1 dig2)))))
+ (goto-char (point-min)))))
(defun calc-describe-key-briefly (key)
(interactive "kDescribe key briefly: ")
(calc-describe-key key t))
+(defvar Info-history)
+
(defun calc-describe-key (key &optional briefly)
(interactive "kDescribe key: ")
(let ((defn (if (eq (key-binding key) 'calc-dispatch)
(lookup-key calc-help-map key2))
(key-binding key))))
(inv nil)
- (hyp nil))
+ (hyp nil)
+ calc-summary-indentation)
(while (or (equal key "I") (equal key "H"))
(if (equal key "I")
(setq inv (not inv))
(if (= (buffer-size) 0)
(progn
(message "Reading Calc summary from manual...")
- (save-window-excursion
- (save-excursion
- (calc-info-goto-node "Summary")
- (goto-char (point-min))
- (forward-line 1)
- (copy-to-buffer "*Calc Summary*"
- (point) (point-max))
- (if Info-history
- (Info-last))))
- (setq case-fold-search nil)
- (re-search-forward "^\\(.*\\)\\[\\.\\. a b")
- (setq calc-summary-indentation
- (- (match-end 1) (match-beginning 1)))))
+ (require 'info nil t)
+ (with-temp-buffer
+ (Info-mode)
+ (Info-goto-node "(Calc)Summary")
+ (goto-char (point-min))
+ (forward-line 1)
+ (copy-to-buffer "*Calc Summary*"
+ (point) (point-max)))
+ (setq buffer-read-only t)))
+ (goto-char (point-min))
+ (setq case-fold-search nil)
+ (re-search-forward "^\\(.*\\)\\[\\.\\. a b")
+ (setq calc-summary-indentation
+ (- (match-end 1) (match-beginning 1)))
(goto-char (point-min))
(setq target (if (and (string-match "[0-9]\\'" desc)
(not (string-match "[d#]" desc)))
(calc-describe-thing desc "Key Index" nil
(string-match "[A-Z][A-Z][A-Z]" desc))))))
+(defvar calc-help-function-list nil
+ "List of functions provided by Calc.")
+
+(defvar calc-help-variable-list nil
+ "List of variables provided by Calc.")
+
+(defun calc-help-index-entries (&rest indices)
+ "Create a list of entries from the INDICES in the Calc info manual."
+ (let ((entrylist '())
+ entry)
+ (require 'info nil t)
+ (while indices
+ (condition-case nil
+ (with-temp-buffer
+ (Info-mode)
+ (Info-goto-node (concat "(Calc)" (car indices) " Index"))
+ (goto-char (point-min))
+ (while (re-search-forward "\n\\* \\(.*\\): " nil t)
+ (setq entry (match-string 1))
+ (if (and (not (string-match "<[1-9]+>" entry))
+ (not (string-match "(.*)" entry))
+ (not (string= entry "Menu")))
+ (unless (assoc entry entrylist)
+ (setq entrylist (cons entry entrylist))))))
+ (error nil))
+ (setq indices (cdr indices)))
+ entrylist))
+
(defun calc-describe-function (&optional func)
(interactive)
+ (unless calc-help-function-list
+ (setq calc-help-function-list
+ (calc-help-index-entries "Function" "Command")))
(or func
- (setq func (intern (completing-read "Describe function: "
- obarray nil t "calcFunc-"))))
- (setq func (symbol-name func))
+ (setq func (completing-read "Describe function: "
+ calc-help-function-list
+ nil t)))
(if (string-match "\\`calc-." func)
(calc-describe-thing func "Command Index")
- (calc-describe-thing (if (string-match "\\`calcFunc-." func)
- (substring func 9)
- func)
- "Function Index")))
+ (calc-describe-thing func "Function Index")))
(defun calc-describe-variable (&optional var)
(interactive)
+ (unless calc-help-variable-list
+ (setq calc-help-variable-list
+ (calc-help-index-entries "Variable")))
(or var
- (setq var (intern (completing-read "Describe variable: "
- obarray nil t "var-"))))
- (setq var (symbol-name var))
- (calc-describe-thing var "Variable Index"
- (if (string-match "\\`var-." var)
- (substring var 4)
- var)))
+ (setq var (completing-read "Describe variable: "
+ calc-help-variable-list
+ nil t)))
+ (calc-describe-thing var "Variable Index"))
(defun calc-describe-thing (thing where &optional target not-quoted)
(message "Looking for `%s' in %s..." thing where)
(error "Can't locate Calc sources"))
(calc-quit)
(switch-to-buffer "*Help*")
- (erase-buffer)
- (insert-file-contents (expand-file-name "README" (car path)))
- (search-forward "Summary of changes")
- (forward-line -1)
- (delete-region (point-min) (point))
- (goto-char (point-min))))
+ (let ((inhibit-read-only t))
+ (erase-buffer)
+ (insert-file-contents (expand-file-name "README" (car path)))
+ (search-forward "Summary of changes")
+ (forward-line -1)
+ (delete-region (point-min) (point))
+ (goto-char (point-min)))
+ (help-mode)))
+
+(defvar calc-help-long-names '((?b . "binary/business")
+ (?g . "graphics")
+ (?j . "selection")
+ (?k . "combinatorics/statistics")
+ (?u . "units/statistics")))
(defun calc-full-help ()
(interactive)
(with-output-to-temp-buffer "*Help*"
- (princ (format "GNU Emacs Calculator version %s of %s.\n"
- calc-version calc-version-date))
- (princ " By Dave Gillespie, daveg@synaptics.com.\n")
- (princ " Copyright (C) 1990, 1993 Free Software Foundation, Inc.\n\n")
+ (princ (format "GNU Emacs Calculator version %s.\n"
+ calc-version))
+ (princ " By Dave Gillespie.\n")
+ (princ (format " %s\n\n" emacs-copyright))
(princ "Type `h s' for a more detailed summary.\n")
(princ "Or type `h i' to read the full Calc manual on-line.\n\n")
(princ "Basic keys:\n")
(let* ((calc-full-help-flag t))
- (mapcar (function (lambda (x) (princ (format " %s\n" x))))
- (nreverse (cdr (reverse (cdr (calc-help))))))
- (mapcar (function (lambda (prefix)
- (let ((msgs (condition-case err
- (funcall prefix)
- (error nil))))
- (if (car msgs)
- (princ
- (if (eq (nth 2 msgs) ?v)
- "\n`v' or `V' prefix (vector/matrix) keys: \n"
- (if (nth 2 msgs)
- (format
- "\n`%c' prefix (%s) keys:\n"
- (nth 2 msgs)
- (or (cdr (assq (nth 2 msgs)
- calc-help-long-names))
- (nth 1 msgs)))
- (format "\n%s-modified keys:\n"
- (capitalize (nth 1 msgs)))))))
- (mapcar (function (lambda (x)
- (princ (format " %s\n" x))))
- (car msgs)))))
- '(calc-inverse-prefix-help
- calc-hyperbolic-prefix-help
- calc-inv-hyp-prefix-help
- calc-a-prefix-help
- calc-b-prefix-help
- calc-c-prefix-help
- calc-d-prefix-help
- calc-f-prefix-help
- calc-g-prefix-help
- calc-h-prefix-help
- calc-j-prefix-help
- calc-k-prefix-help
- calc-m-prefix-help
- calc-r-prefix-help
- calc-s-prefix-help
- calc-t-prefix-help
- calc-u-prefix-help
- calc-v-prefix-help
- calc-shift-Y-prefix-help
- calc-shift-Z-prefix-help
- calc-z-prefix-help)))
+ (mapc (function (lambda (x) (princ (format " %s\n" x))))
+ (nreverse (cdr (reverse (cdr (calc-help))))))
+ (mapc (function (lambda (prefix)
+ (let ((msgs (condition-case err
+ (funcall prefix)
+ (error nil))))
+ (if (car msgs)
+ (princ
+ (if (eq (nth 2 msgs) ?v)
+ "\n`v' or `V' prefix (vector/matrix) keys: \n"
+ (if (nth 2 msgs)
+ (format
+ "\n`%c' prefix (%s) keys:\n"
+ (nth 2 msgs)
+ (or (cdr (assq (nth 2 msgs)
+ calc-help-long-names))
+ (nth 1 msgs)))
+ (format "\n%s-modified keys:\n"
+ (capitalize (nth 1 msgs)))))))
+ (mapcar (function (lambda (x)
+ (princ (format " %s\n" x))))
+ (car msgs)))))
+ '(calc-inverse-prefix-help
+ calc-hyperbolic-prefix-help
+ calc-inv-hyp-prefix-help
+ calc-a-prefix-help
+ calc-b-prefix-help
+ calc-c-prefix-help
+ calc-d-prefix-help
+ calc-f-prefix-help
+ calc-g-prefix-help
+ calc-h-prefix-help
+ calc-j-prefix-help
+ calc-k-prefix-help
+ calc-m-prefix-help
+ calc-r-prefix-help
+ calc-s-prefix-help
+ calc-t-prefix-help
+ calc-u-prefix-help
+ calc-v-prefix-help
+ calc-shift-Y-prefix-help
+ calc-shift-Z-prefix-help
+ calc-z-prefix-help)))
(print-help-return-message)))
-(defvar calc-help-long-names '((?b . "binary/business")
- (?g . "graphics")
- (?j . "selection")
- (?k . "combinatorics/statistics")
- (?u . "units/statistics")))
-
(defun calc-h-prefix-help ()
(interactive)
(calc-do-prefix-help
(interactive)
(calc-do-prefix-help
'("Store, inTo, Xchg, Unstore; Recall, 0-9; : (:=); = (=>)"
- "Let; Copy; Declare; Insert, Perm; Edit"
+ "Let; Copy, K=copy constant; Declare; Insert, Perm; Edit"
"Negate, +, -, *, /, ^, &, |, [, ]; Map"
"SHIFT + Decls, GenCount, TimeZone, Holidays; IntegLimit"
"SHIFT + LineStyles, PointStyles, plotRejects; Units"
"Why; Line-nums, line-Breaks; <, =, > (justify); Plain"
"\" (strings); Truncate, [, ]; SPC (refresh), RET, @"
"SHIFT + language: Normal, One-line, Big, Unformatted"
- "SHIFT + language: C, Pascal, Fortran; TeX, Eqn"
+ "SHIFT + language: C, Pascal, Fortran; TeX, LaTeX, Eqn"
"SHIFT + language: Mathematica, W=Maple")
"display" ?d))
(interactive)
(calc-do-prefix-help
'("Deg, Rad, HMS; Frac; Polar; Inf; Alg, Total; Symb; Vec/mat"
- "Working; Xtensions; Mode-save"
+ "Working; Xtensions; Mode-save; preserve Embedded modes"
"SHIFT + Shifted-prefixes, mode-Filename; Record; reCompute"
"SHIFT + simplify: Off, Num, Default, Bin, Alg, Ext, Units")
"mode" ?m))
"} (matrix brackets); . (abbreviate); / (multi-lines)")
"vec/mat" ?v))
-;;; arch-tag: 2d347593-7591-449e-a64a-93dab5f2f686
+(provide 'calc-help)
+
+;; arch-tag: 2d347593-7591-449e-a64a-93dab5f2f686
;;; calc-help.el ends here