Fix typo.

[elisp/apel.git] / poe-xemacs.el

diff --git a/poe-xemacs.el b/poe-xemacs.el
index 6fecb42..59e0784 100644 (file)
--- a/poe-xemacs.el
+++ b/poe-xemacs.el
@@ -1,7 +1,7 @@
-;;; poe-xemacs.el --- poe API implementation for XEmacs
+;;; poe-xemacs.el --- poe submodule for XEmacs
 
 ;; Copyright (C) 1995 Free Software Foundation, Inc.
-;; Copyright (C) 1995,1996,1997 MORIOKA Tomohiko
+;; Copyright (C) 1995,1996,1997,1998 MORIOKA Tomohiko
 
 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
 ;; Keywords: emulation, compatibility, XEmacs
@@ -25,11 +25,26 @@
 
 ;;; Code:
 
+(require 'pym)
+
+
+;;; @ color
+;;;
+
+(defun-maybe set-cursor-color (color-name)
+  "Set the text cursor color of the selected frame to COLOR.
+When called interactively, prompt for the name of the color to use."
+  (interactive "sColor: ")
+  (set-frame-property (selected-frame) 'cursor-color
+                      (if (color-instance-p color-name)
+                          color-name
+                        (make-color-instance color-name))))
+
+
 ;;; @ face
 ;;;
 
-(or (fboundp 'face-list)
-    (defalias 'face-list 'list-faces))
+(defalias-maybe 'face-list 'list-faces)
 
 (or (memq 'underline (face-list))
     (and (fboundp 'make-face)
@@ -44,13 +59,14 @@
 
 (condition-case nil
     (require 'overlay)
-  (error (defalias 'make-overlay 'make-extent)
-        (defalias 'overlay-put 'set-extent-property)
-        (defalias 'overlay-buffer 'extent-buffer)
-        (defun move-overlay (extent start end &optional buffer)
-          (set-extent-endpoints extent start end)
-          )
-        ))
+  (error
+   (defalias 'make-overlay 'make-extent)
+   (defalias 'overlayp 'extentp)
+   (defalias 'overlay-put 'set-extent-property)
+   (defalias 'overlay-buffer 'extent-buffer)
+   (defun move-overlay (extent start end &optional buffer)
+     (set-extent-endpoints extent start end))
+   (defalias 'delete-overlay 'detach-extent)))
 
 
 ;;; @ dired
@@ -59,8 +75,40 @@
 (defun-maybe dired-other-frame (dirname &optional switches)
   "\"Edit\" directory DIRNAME.  Like `dired' but makes a new frame."
   (interactive (dired-read-dir-and-switches "in other frame "))
-  (switch-to-buffer-other-frame (dired-noselect dirname switches))
-  )
+  (switch-to-buffer-other-frame (dired-noselect dirname switches)))
+
+
+;;; @ timer
+;;;
+
+(condition-case nil
+    (require 'timer)
+  (error
+   (require 'itimer)
+   (defun-maybe run-at-time (time repeat function &rest args)
+     (start-itimer (make-temp-name "rat")
+                  `(lambda ()
+                     (,function ,@args))
+                  time repeat))
+   (defalias 'cancel-timer 'delete-itimer)
+   (defun with-timeout-handler (tag)
+     (throw tag 'timeout))
+   (defmacro-maybe with-timeout (list &rest body)
+     (let ((seconds (car list))
+          (timeout-forms (cdr list)))
+     `(let ((with-timeout-tag (cons nil nil))
+           with-timeout-value with-timeout-timer)
+       (if (catch with-timeout-tag
+             (progn
+               (setq with-timeout-timer
+                     (run-at-time ,seconds nil
+                                  'with-timeout-handler
+                                  with-timeout-tag))
+               (setq with-timeout-value (progn . ,body))
+               nil))
+           (progn . ,timeout-forms)
+         (cancel-timer with-timeout-timer)
+         with-timeout-value))))))
 
 
 ;;; @ to avoid bug of XEmacs 19.14
@@ -71,7 +119,7 @@
     ;; This function was imported from Emacs 19.33.
     (defun file-relative-name (filename &optional directory)
       "Convert FILENAME to be relative to DIRECTORY
-(default: default-directory). [poe-xemacs.el]"
+(default: default-directory)."
       (setq filename (expand-file-name filename)
            directory (file-name-as-directory
                       (expand-file-name
@@ -81,23 +129,31 @@
                                  filename))
          (setq directory (file-name-directory (substring directory 0 -1))
                ancestor (concat "../" ancestor)))
-       (concat ancestor (substring filename (match-end 0)))))
-    )
+       (concat ancestor (substring filename (match-end 0))))))
+
 
-    
 ;;; @ Emacs 20.3 emulation
 ;;;
 
-(or (fboundp 'line-beginning-position)
-    (defalias 'line-beginning-position 'point-at-bol))
+(defalias-maybe 'line-beginning-position 'point-at-bol)
+(defalias-maybe 'line-end-position 'point-at-eol)
 
-(or (fboundp 'line-end-position)
-    (defalias 'line-end-position 'point-at-eol))
+;;; @ XEmacs 21 emulation
+;;;
 
+;; XEmacs 20.5 and later: (set-extent-properties EXTENT PLIST)
+(defun-maybe set-extent-properties (extent plist)
+  "Change some properties of EXTENT.
+PLIST is a property list.
+For a list of built-in properties, see `set-extent-property'."
+  (while plist
+    (set-extent-property extent (car plist) (cadr plist))
+    (setq plist (cddr plist))))  
 
 ;;; @ end
 ;;;
 
-(provide 'poe-xemacs)
+(require 'product)
+(product-provide (provide 'poe-xemacs) (require 'apel-ver))
 
 ;;; poe-xemacs.el ends here