--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/efs/default-dir.el	Mon Aug 13 08:50:29 2007 +0200
@@ -0,0 +1,346 @@
+;;  -*-Emacs-Lisp-*-
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;
+;; File:         default-dir.el
+;; RCS:
+;; Version:      $Revision: 1.5 $
+;; Description:  Defines the function default-directory, for fancy handling
+;;               of the initial contents in the minibuffer when reading
+;;               file names.
+;; Authors:      Sebastian Kremer <sk@thp.uni-koeln.de>
+;;               Sandy Rutherford <sandy@ibm550.sissa.it>
+;; Created:      Sun Jul 18 11:38:06 1993 by sandy on ibm550
+;;
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+;; This program 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 1, or (at your option)
+;; any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; 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, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+(provide 'default-dir)
+(require 'efs-ovwrt)
+
+(defconst default-dir-emacs-variant
+  (cond ((string-match "XEmacs" emacs-version) 'xemacs)
+	((>= (string-to-int (substring emacs-version 0 2)) 19) 'fsf-19)
+	(t 'fsf-18)))
+
+;;;###autoload
+(defvar default-directory-function nil
+  "A function to call to compute the default-directory for the current buffer.
+If this is nil, the function default-directory will return the value of the
+variable default-directory.
+Buffer local.")
+(make-variable-buffer-local 'default-directory-function)
+
+;; As a bonus we give shell-command history if possible.
+(defvar shell-command-history nil
+  "History list of previous shell commands.")
+
+(defun default-directory ()
+  " Returns the default-directory for the current buffer.
+Will use the variable default-directory-function if it non-nil."
+  (if default-directory-function
+      (funcall default-directory-function)
+    (if (eq default-dir-emacs-version 'xemacs)
+	(abbreviate-file-name default-directory t)
+      (abbreviate-file-name default-directory))))
+
+;;; Overloads
+
+(if (or (featurep 'mule)
+	(boundp 'MULE))
+    (progn
+      
+      (defun default-dir-find-file (file &optional coding-system)
+	"Documented as original"
+	(interactive   
+	 (list
+	  (expand-file-name
+	   (read-file-name "Find file: " (default-directory)))
+	  (and current-prefix-arg
+	       (read-coding-system "Coding-system: "))))
+	(default-dir-real-find-file file coding-system))
+
+      (defun default-dir-find-file-other-window (file &optional coding-system)
+	"Documented as original"
+	(interactive
+	 (list
+	  (expand-file-name
+	   (read-file-name "Find file in other window: " (default-directory)))
+	  (and current-prefix-arg
+	       (read-coding-system "Coding-system: "))))
+	(default-dir-real-find-file-other-window file coding-system))
+
+      (defun default-dir-find-file-read-only (file &optional coding-system)
+	"Documented as original"
+	(interactive
+	 (list
+	  (expand-file-name
+	   (read-file-name "Find file read-only: " (default-directory) nil t))
+	  (and current-prefix-arg
+	       (read-coding-system "Coding-system: "))))
+	(default-dir-real-find-file-read-only file coding-system))
+
+      (if (fboundp 'find-file-read-only-other-window)
+	  (progn
+	    (defun default-dir-find-file-read-only-other-window
+	      (file &optional coding-system)
+	      "Documented as original"
+	      (interactive
+	       (list
+		(expand-file-name
+		 (read-file-name
+		  "Find file read-only in other window: "
+		  (default-directory) nil t))
+		(and current-prefix-arg
+		     (read-coding-system "Coding-system: "))))
+	      (default-dir-real-find-file-read-only-other-window file
+		coding-system))))
+
+      (if (fboundp 'find-file-other-frame)
+	  (progn
+	    (defun default-dir-find-file-other-frame
+	      (file &optional coding-system)
+	      "Documented as original"
+	      (interactive
+	       (list
+		(expand-file-name
+		 (read-file-name "Find file in other frame: "
+				 (default-directory)))
+		(and current-prefix-arg
+		     (read-coding-system "Coding-system: "))))
+	      (default-dir-real-find-file-other-frame file
+		coding-system))))
+  
+      (if (fboundp 'find-file-read-only-other-frame)
+	  (progn
+	    (defun default-dir-find-file-read-only-other-frame
+	      (file &optional coding-system)
+	      "Documented as original"
+	      (interactive
+	       (list
+		(expand-file-name
+		 (read-file-name "Find file read-only in other frame: "
+				 (default-directory) nil t))
+		(and current-prefix-arg
+		     (read-coding-system "Coding-system: "))))
+	      (default-dir-real-find-file-read-only-other-frame file
+		coding-system)))))
+
+  (defun default-dir-find-file (file)
+    "Documented as original"
+    (interactive
+     (list
+      (expand-file-name
+       (read-file-name "Find file: " (default-directory)))))
+    (default-dir-real-find-file file))
+  
+  (defun default-dir-find-file-other-window (file)
+    "Documented as original"
+    (interactive
+     (list
+      (expand-file-name
+       (read-file-name "Find file in other window: " (default-directory)))))
+    (default-dir-real-find-file-other-window file))
+
+  (defun default-dir-find-file-read-only (file)
+    "Documented as original"
+    (interactive
+     (list
+      (expand-file-name
+       (read-file-name "Find file read-only: " (default-directory) nil t))))
+    (default-dir-real-find-file-read-only file))
+  
+  (if (fboundp 'find-file-read-only-other-window)
+      (progn
+	(defun default-dir-find-file-read-only-other-window (file)
+	  "Documented as original"
+	  (interactive
+	   (list
+	    (expand-file-name
+	     (read-file-name
+	      "Find file read-only in other window: "
+	      (default-directory) nil t))))
+	  (default-dir-real-find-file-read-only-other-window file))))
+
+  (if (fboundp 'find-file-other-frame)
+      (progn
+	(defun default-dir-find-file-other-frame (file)
+	  "Documented as original"
+	  (interactive
+	   (list
+	    (expand-file-name
+	     (read-file-name "Find file in other frame: "
+			     (default-directory)))))
+	  (default-dir-real-find-file-other-frame file))))
+
+  (if (fboundp 'find-file-read-only-other-frame)
+      (progn
+	(defun default-dir-find-file-read-only-other-frame (file)
+	  "Documented as original"
+	  (interactive
+	   (list
+	    (expand-file-name
+	     (read-file-name "Find file read-only in other frame: "
+			     (default-directory) nil t))))
+	  (default-dir-real-find-file-read-only-other-frame file)))))
+
+(efs-overwrite-fn "default-dir" 'find-file 'default-dir-find-file)
+(efs-overwrite-fn "default-dir" 'find-file-other-window
+		  'default-dir-find-file-other-window)
+(if (fboundp 'find-file-other-frame)
+    (efs-overwrite-fn "default-dir" 'find-file-other-frame
+		      'default-dir-find-file-other-frame))
+(efs-overwrite-fn "default-dir" 'find-file-read-only
+		  'default-dir-find-file-read-only)
+(if (fboundp 'find-file-read-only-other-window)
+    (efs-overwrite-fn "default-dir" 'find-file-read-only-other-window
+		      'default-dir-find-file-read-only-other-window))
+(if (fboundp 'find-file-read-only-other-frame)
+    (efs-overwrite-fn "default-dir" 'find-file-read-only-other-frame
+		      'default-dir-find-file-read-only-other-frame))
+
+
+(defun default-dir-load-file (file)
+  "Documented as original"
+  (interactive
+   (list
+    (expand-file-name
+     (read-file-name "Load file: " (default-directory) nil t))))
+  (default-dir-real-load-file file))
+
+(efs-overwrite-fn "default-dir" 'load-file 'default-dir-load-file)
+
+(require 'view)
+
+(defun default-dir-view-file (file)
+  "Documented as original"
+  (interactive
+   (list
+    (expand-file-name
+     (read-file-name "View file: " (default-directory) nil t))))
+  (default-dir-real-view-file file))
+
+(efs-overwrite-fn "default-dir" 'view-file 'default-dir-view-file)
+
+(if (fboundp 'view-file-other-window)
+    (progn
+      (defun default-dir-view-file-other-window (file)
+	"Documented as original"
+	(interactive
+	 (list
+	  (expand-file-name
+	   (read-file-name "View file in other window: "
+			   (default-directory) nil t))))
+	(default-dir-real-view-file-other-window file))
+      (efs-overwrite-fn "default-dir" 'view-file-other-window
+			'default-dir-view-file-other-window)))
+
+(if (fboundp 'view-file-other-frame)
+    (progn
+      (defun default-dir-view-file-other-frame (file)
+	"Documented as original"
+	(interactive
+	 (list
+	  (expand-file-name
+	   (read-file-name "View file in other frame: "
+			   (default-directory) nil t))))
+	(default-dir-real-view-file-other-frame file))
+      (efs-overwrite-fn "default-dir" 'view-file-other-frame
+			'default-dir-view-file-other-frame)))
+
+
+(defun default-dir-shell-command (command &optional insert)
+  "Documented as original"
+  (interactive
+   (list
+    (let ((prompt (format "Shell command in %s: " (default-directory))))
+      (cond
+       ((memq  default-dir-emacs-variant '(fsf-19 xemacs))
+	(read-from-minibuffer prompt nil nil nil
+			      'shell-command-history))
+       ((featurep 'gmhist)
+	(let ((minibuffer-history-symbol 'shell-command-history))
+	  (read-string prompt)))
+       (t (read-string prompt))))
+    current-prefix-arg))
+  (let ((default-directory (expand-file-name (default-directory))))
+    (default-dir-real-shell-command command insert)))
+
+(efs-overwrite-fn "default-dir" 'shell-command 'default-dir-shell-command)
+
+;; Is advice about?
+(if (featurep 'advice)
+    (defadvice cd (before default-dir-cd activate compile)
+      (interactive
+       (list
+	(expand-file-name
+	 (read-file-name "Change default directory: " (default-directory))))))
+
+  (defun default-dir-cd (dir)
+    "Documented as original"
+    (interactive
+     (list
+      (expand-file-name
+       (read-file-name "Change default directory: " (default-directory)))))
+    (default-dir-real-cd dir))
+  
+  (efs-overwrite-fn "default-dir" 'cd 'default-dir-cd))
+
+(defun default-dir-set-visited-file-name (filename)
+  "Documented as original"
+  (interactive
+   (list
+    (expand-file-name
+     (read-file-name "Set visited file name: " (default-directory)))))
+  (default-dir-real-set-visited-file-name filename))
+
+(efs-overwrite-fn "default-dir" 'set-visited-file-name
+		  'default-dir-set-visited-file-name)
+
+(defun default-dir-insert-file (filename &rest args)
+  "Documented as original"
+  (interactive
+   (list
+    (expand-file-name
+     (read-file-name "Insert file: " (default-directory) nil t))))
+  (apply 'default-dir-real-insert-file filename args))
+
+(efs-overwrite-fn "default-dir" 'insert-file 'default-dir-insert-file)
+
+(defun default-dir-append-to-file (start end filename &rest args)
+  "Documented as original"
+  (interactive
+   (progn
+     (or (mark) (error "The mark is not set now"))
+     (list
+      (min (mark) (point))
+      (max (mark) (point))
+      (expand-file-name
+       (read-file-name "Append to file: " (default-directory))))))
+  (apply 'default-dir-real-append-to-file start end filename args))
+
+(efs-overwrite-fn "default-dir" 'append-to-file 'default-dir-append-to-file)
+
+(defun default-dir-delete-file (file)
+  "Documented as original"
+  (interactive
+   (list
+    (expand-file-name
+     (read-file-name "Delete file: " (default-directory) nil t))))
+  (default-dir-real-delete-file file))
+
+(efs-overwrite-fn "default-dir" 'delete-file 'default-dir-delete-file)
+
+;;; end of default-dir.el