;;; emu.el --- Emulation module for each Emacs variants
-;; Copyright (C) 1995,1996 Free Software Foundation, Inc.
+;; Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Version: $Id: emu.el,v 7.26 1996/09/05 16:31:02 morioka Exp $
-;; Keywords: emulation, compatibility, NEmacs, MULE, XEmacs
+;; Keywords: emulation, compatibility, NEmacs, MULE, Emacs/mule, XEmacs
-;; This file is part of tl (Tiny Library).
+;; This file is part of emu.
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with this program; see the file COPYING. If not, write to
-;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; along with GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Code:
-(or (boundp 'emacs-major-version)
- (defconst emacs-major-version (string-to-int emacs-version)))
-(or (boundp 'emacs-minor-version)
- (defconst emacs-minor-version
- (string-to-int
- (substring
- emacs-version
- (string-match (format "%d\\." emacs-major-version) emacs-version)
- ))))
+(require 'poe)
(defvar running-emacs-18 (<= emacs-major-version 18))
(defvar running-xemacs (string-match "XEmacs" emacs-version))
+
+(defvar running-mule-merged-emacs (and (not (boundp 'MULE))
+ (not running-xemacs) (featurep 'mule)))
+(defvar running-xemacs-with-mule (and running-xemacs (featurep 'mule)))
+
+(defvar running-emacs-19 (and (not running-xemacs) (= emacs-major-version 19)))
+(defvar running-emacs-19_29-or-later
+ (or (and running-emacs-19 (>= emacs-minor-version 29))
+ (and (not running-xemacs)(>= emacs-major-version 20))))
+
(defvar running-xemacs-19 (and running-xemacs
(= emacs-major-version 19)))
-(defvar running-xemacs-20 (and running-xemacs
- (= emacs-major-version 20)))
(defvar running-xemacs-20-or-later (and running-xemacs
(>= emacs-major-version 20)))
(defvar running-xemacs-19_14-or-later
(or (and running-xemacs-19 (>= emacs-minor-version 14))
running-xemacs-20-or-later))
-(defvar running-emacs-19 (and (not running-xemacs)
- (= emacs-major-version 19)))
-(defvar running-emacs-19_29-or-later
- (or (and running-emacs-19 (>= emacs-minor-version 29))
- (and (not running-xemacs)(>= emacs-major-version 20))))
-(cond ((boundp 'MULE)
- (require 'emu-mule)
+(cond (running-xemacs
+ ;; for XEmacs
+ (defvar mouse-button-1 'button1)
+ (defvar mouse-button-2 'button2)
+ (defvar mouse-button-3 'button3)
)
- ((and running-xemacs-20 (featurep 'mule))
- (require 'emu-x20)
+ ((>= emacs-major-version 19)
+ ;; for tm-7.106
+ (defalias 'tl:make-overlay 'make-overlay)
+ (defalias 'tl:overlay-put 'overlay-put)
+ (defalias 'tl:overlay-buffer 'overlay-buffer)
+
+ (make-obsolete 'tl:make-overlay 'make-overlay)
+ (make-obsolete 'tl:overlay-put 'overlay-put)
+ (make-obsolete 'tl:overlay-buffer 'overlay-buffer)
+
+ ;; mouse
+ (defvar mouse-button-1 [mouse-1])
+ (defvar mouse-button-2 [mouse-2])
+ (defvar mouse-button-3 [down-mouse-3])
+ )
+ (t
+ ;; mouse
+ (defvar mouse-button-1 nil)
+ (defvar mouse-button-2 nil)
+ (defvar mouse-button-3 nil)
+ ))
+
+(cond (running-xemacs
+ (if (featurep 'mule)
+ ;; for XEmacs with MULE
+ (require 'emu-x20)
+ ;; for XEmacs without MULE
+ (require 'emu-latin1)
+ ))
+ (running-mule-merged-emacs
+ ;; for Emacs 20.1 and 20.2
+ (require 'emu-e20)
+ )
+ ((boundp 'MULE)
+ ;; for MULE 1.* and 2.*
+ (require 'emu-mule)
)
((boundp 'NEMACS)
+ ;; for NEmacs and NEpoch
(require 'emu-nemacs)
)
(t
- (require 'emu-e19)
+ ;; for Emacs 19
+ (require 'emu-latin1)
))
(defun charsets-to-mime-charset (charsets)
"Return MIME charset from list of charset CHARSETS.
This function refers variable `charsets-mime-charset-alist'
-and `default-mime-charset'. [emu.el]"
+and `default-mime-charset'."
(if charsets
(or (catch 'tag
(let ((rest charsets-mime-charset-alist)
- cell csl)
+ cell)
(while (setq cell (car rest))
(if (catch 'not-subset
(let ((set1 charsets)
(while set1
(setq obj (car set1))
(or (memq obj set2)
- (throw 'not-subset nil)
- )
- (setq set1 (cdr set1))
- )
+ (throw 'not-subset nil))
+ (setq set1 (cdr set1)))
t))
- (throw 'tag (cdr cell))
- )
- (setq rest (cdr rest))
- )))
+ (throw 'tag (cdr cell)))
+ (setq rest (cdr rest)))))
default-mime-charset)))
-;;; @ EMACS 19.29 emulation
-;;;
-
-(or (fboundp 'buffer-substring-no-properties)
- (defun buffer-substring-no-properties (beg end)
- "Return the text from BEG to END, without text properties, as a string.
-\[emu.el; EMACS 19.29 emulating function]"
- (let ((string (buffer-substring beg end)))
- (tl:set-text-properties 0 (length string) nil string)
- string))
- )
-
-(or running-emacs-19_29-or-later
- running-xemacs
- ;; for Emacs 19.28 or earlier
- (fboundp 'si:read-string)
- (progn
- (fset 'si:read-string (symbol-function 'read-string))
-
- (defun read-string (prompt &optional initial-input history)
- "Read a string from the minibuffer, prompting with string PROMPT.
-If non-nil, second arg INITIAL-INPUT is a string to insert before reading.
-The third arg HISTORY, is dummy for compatibility. [emu.el]
-See `read-from-minibuffer' for details of HISTORY argument."
- (si:read-string prompt initial-input)
- )
- ))
-
-(or (fboundp 'add-to-list)
- ;; This function was imported Emacs 19.30.
- (defun add-to-list (list-var element)
- "Add to the value of LIST-VAR the element ELEMENT if it isn't there yet.
-If you want to use `add-to-list' on a variable that is not defined
-until a certain package is loaded, you should put the call to `add-to-list'
-into a hook function that will be run only after loading the package.
-\[emu.el; EMACS 19.30 emulating function]"
- (or (member element (symbol-value list-var))
- (set list-var (cons element (symbol-value list-var)))))
- )
-
-
-;;; @ EMACS 19.31 emulation
+;;; @ Emacs 20.3 emulation
;;;
-(or (fboundp 'buffer-live-p)
- (defun buffer-live-p (object)
- "Return non-nil if OBJECT is a buffer which has not been killed.
-Value is nil if OBJECT is not a buffer or if it has been killed.
-\[emu.el; EMACS 19.31 emulating function]"
- (and object
- (get-buffer object)
- (buffer-name (get-buffer object))
- ))
- )
+(defmacro-maybe string-as-unibyte (string)
+ "Return a unibyte string with the same individual bytes as STRING.
+If STRING is unibyte, the result is STRING itself.
+\[Emacs 20.3 emulating macro]"
+ string)
-(or (fboundp 'save-selected-window)
- ;; This function was imported Emacs 19.33.
- (defmacro save-selected-window (&rest body)
- "Execute BODY, then select the window that was selected before BODY.
-\[emu.el; EMACS 19.31 emulating function]"
- (list 'let
- '((save-selected-window-window (selected-window)))
- (list 'unwind-protect
- (cons 'progn body)
- (list 'select-window 'save-selected-window-window))))
- )
+(defmacro-maybe string-as-multibyte (string)
+ "Return a multibyte string with the same individual bytes as STRING.
+If STRING is multibyte, the result is STRING itself.
+\[Emacs 20.3 emulating macro]"
+ string)
;;; @ XEmacs emulation
;;;
-(or (fboundp 'functionp)
- (defun functionp (obj)
- "Returns t if OBJ is a function, nil otherwise.
-\[emu.el; XEmacs emulating function]"
- (or (subrp obj)
- (byte-code-function-p obj)
- (and (symbolp obj)(fboundp obj))
- (and (consp obj)(eq (car obj) 'lambda))
- ))
- )
-
+(defun-maybe point-at-eol (&optional arg buffer)
+ "Return the character position of the last character on the current line.
+With argument N not nil or 1, move forward N - 1 lines first.
+If scan reaches end of buffer, return that position.
+This function does not move point. [XEmacs emulating function]"
+ (save-excursion
+ (if buffer
+ (set-buffer buffer)
+ )
+ (if arg
+ (forward-line (1- arg))
+ )
+ (end-of-line)
+ (point)))
+
;;; @ for XEmacs 20
;;;
(or (fboundp 'int-char)
(fset 'int-char (symbol-function 'identity))
)
+(or (fboundp 'char-or-char-int-p)
+ (fset 'char-or-char-int-p (symbol-function 'integerp))
+ )
;;; @ for text/richtext and text/enriched
;;;
-(cond ((or running-emacs-19_29-or-later running-xemacs-19_14-or-later)
+(cond ((fboundp 'richtext-decode)
+ ;; have richtext.el
+ )
+ ((or running-emacs-19_29-or-later running-xemacs-19_14-or-later)
;; have enriched.el
(autoload 'richtext-decode "richtext")
(or (assq 'text/richtext format-alist)
projects / elisp / apel.git / blobdiff