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[Emacs-diffs] Changes to emacs/lisp/simple.el
From: |
Richard M . Stallman |
Subject: |
[Emacs-diffs] Changes to emacs/lisp/simple.el |
Date: |
Tue, 29 Mar 2005 15:53:19 -0500 |
Index: emacs/lisp/simple.el
diff -c emacs/lisp/simple.el:1.703 emacs/lisp/simple.el:1.704
*** emacs/lisp/simple.el:1.703 Tue Mar 29 04:55:43 2005
--- emacs/lisp/simple.el Tue Mar 29 20:53:19 2005
***************
*** 35,40 ****
--- 35,47 ----
(autoload 'widget-convert "wid-edit")
(autoload 'shell-mode "shell"))
+ (defcustom idle-update-delay 0.5
+ "*Idle time delay before updating various things on the screen.
+ Various Emacs features that update auxiliary information when point moves
+ wait this many seconds after Emacs becomes idle before doing an update."
+ :type 'number
+ :group 'display
+ :version "22.1")
(defgroup killing nil
"Killing and yanking commands."
***************
*** 2218,2223 ****
--- 2225,2266 ----
(reset-this-command-lengths)
(restore-overriding-map))
+ (defvar buffer-substring-filters nil
+ "List of filter functions for `filter-buffer-substring'.
+ Each function must accept a single argument, a string, and return
+ a string. The buffer substring is passed to the first function
+ in the list, and the return value of each function is passed to
+ the next. The return value of the last function is used as the
+ return value of `filter-buffer-substring'.
+
+ If this variable is nil, no filtering is performed.")
+
+ (defun filter-buffer-substring (beg end &optional delete)
+ "Return the buffer substring between BEG and END, after filtering.
+ The buffer substring is passed through each of the filter
+ functions in `buffer-substring-filters', and the value from the
+ last filter function is returned. If `buffer-substring-filters'
+ is nil, the buffer substring is returned unaltered.
+
+ If DELETE is non-nil, the text between BEG and END is deleted
+ from the buffer.
+
+ Point is temporarily set to BEG before caling
+ `buffer-substring-filters', in case the functions need to know
+ where the text came from.
+
+ This function should be used instead of `buffer-substring' or
+ `delete-and-extract-region' when you want to allow filtering to
+ take place. For example, major or minor modes can use
+ `buffer-substring-filters' to extract characters that are special
+ to a buffer, and should not be copied into other buffers."
+ (save-excursion
+ (goto-char beg)
+ (let ((string (if delete (delete-and-extract-region beg end)
+ (buffer-substring beg end))))
+ (dolist (filter buffer-substring-filters string)
+ (setq string (funcall filter string))))))
+
;;;; Window system cut and paste hooks.
(defvar interprogram-cut-function nil
***************
*** 2394,2400 ****
text. See `insert-for-yank'."
(interactive "r")
(condition-case nil
! (let ((string (delete-and-extract-region beg end)))
(when string ;STRING is nil if BEG = END
;; Add that string to the kill ring, one way or another.
(if (eq last-command 'kill-region)
--- 2437,2443 ----
text. See `insert-for-yank'."
(interactive "r")
(condition-case nil
! (let ((string (filter-buffer-substring beg end t)))
(when string ;STRING is nil if BEG = END
;; Add that string to the kill ring, one way or another.
(if (eq last-command 'kill-region)
***************
*** 2430,2437 ****
system cut and paste."
(interactive "r")
(if (eq last-command 'kill-region)
! (kill-append (buffer-substring beg end) (< end beg))
! (kill-new (buffer-substring beg end)))
(if transient-mark-mode
(setq deactivate-mark t))
nil)
--- 2473,2480 ----
system cut and paste."
(interactive "r")
(if (eq last-command 'kill-region)
! (kill-append (filter-buffer-substring beg end) (< end beg))
! (kill-new (filter-buffer-substring beg end)))
(if transient-mark-mode
(setq deactivate-mark t))
nil)
***************
*** 5184,5197 ****
(message "Delete key deletes %s"
(if normal-erase-is-backspace "forward" "backward"))))
- (defcustom idle-update-delay 0.5
- "*Idle time delay before updating various things on the screen.
- Various Emacs features that update auxiliary information when point moves
- wait this many seconds after Emacs becomes idle before doing an update."
- :type 'number
- :group 'display
- :version "22.1")
-
(defvar vis-mode-saved-buffer-invisibility-spec nil
"Saved value of `buffer-invisibility-spec' when Visible mode is on.")
--- 5227,5232 ----
- [Emacs-diffs] Changes to emacs/lisp/simple.el, (continued)
- [Emacs-diffs] Changes to emacs/lisp/simple.el, Stefan Monnier, 2005/03/05
- [Emacs-diffs] Changes to emacs/lisp/simple.el, Richard M . Stallman, 2005/03/06
- [Emacs-diffs] Changes to emacs/lisp/simple.el, Kim F . Storm, 2005/03/07
- [Emacs-diffs] Changes to emacs/lisp/simple.el, Kim F . Storm, 2005/03/13
- [Emacs-diffs] Changes to emacs/lisp/simple.el, YAMAMOTO Mitsuharu, 2005/03/15
- [Emacs-diffs] Changes to emacs/lisp/simple.el, Kim F . Storm, 2005/03/15
- [Emacs-diffs] Changes to emacs/lisp/simple.el, Stefan Monnier, 2005/03/16
- [Emacs-diffs] Changes to emacs/lisp/simple.el, Kim F . Storm, 2005/03/17
- [Emacs-diffs] Changes to emacs/lisp/simple.el, Eli Zaretskii, 2005/03/19
- [Emacs-diffs] Changes to emacs/lisp/simple.el, Juri Linkov, 2005/03/29
- [Emacs-diffs] Changes to emacs/lisp/simple.el,
Richard M . Stallman <=
- [Emacs-diffs] Changes to emacs/lisp/simple.el, Richard M . Stallman, 2005/03/29