[Emacs-diffs] emacs/lisp ChangeLog simple.el

[Sam Steingold]

CVSROOT:        /sources/emacs
Module name:    emacs
Changes by:     Sam Steingold <sds>     09/08/26 20:55:44

Modified files:
        lisp           : ChangeLog simple.el 

Log message:
        (save-interprogram-paste-before-kill): New user option.
        (kill-new): When `save-interprogram-paste-before-kill' is non-nil,
        save the interprogram-paste into kill-ring before overriding it
        with the Emacs kill.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/emacs/lisp/ChangeLog?cvsroot=emacs&r1=1.16020&r2=1.16021
http://cvs.savannah.gnu.org/viewcvs/emacs/lisp/simple.el?cvsroot=emacs&r1=1.1005&r2=1.1006

Patches:
Index: ChangeLog
===================================================================
RCS file: /sources/emacs/emacs/lisp/ChangeLog,v
retrieving revision 1.16020
retrieving revision 1.16021
diff -u -b -r1.16020 -r1.16021
--- ChangeLog   26 Aug 2009 17:54:05 -0000      1.16020
+++ ChangeLog   26 Aug 2009 20:55:39 -0000      1.16021
@@ -1,3 +1,10 @@
+2009-08-26  Sam Steingold  <address@hidden>
+
+       * simple.el (save-interprogram-paste-before-kill): New user option.
+       (kill-new): When `save-interprogram-paste-before-kill' is non-nil,
+       save the interprogram-paste into kill-ring before overriding it
+       with the Emacs kill.
+
 2009-08-26  Dan Nicolaescu  <address@hidden>
 
        * vc.el (vc-trunk-p): Rename to vc-rcs-trunk-p and move to vc-rcs.el.

Index: simple.el
===================================================================
RCS file: /sources/emacs/emacs/lisp/simple.el,v
retrieving revision 1.1005
retrieving revision 1.1006
diff -u -b -r1.1005 -r1.1006
--- simple.el   25 Aug 2009 08:45:41 -0000      1.1005
+++ simple.el   26 Aug 2009 20:55:43 -0000      1.1006
@@ -2794,6 +2794,17 @@
 (defvar kill-ring-yank-pointer nil
   "The tail of the kill ring whose car is the last thing yanked.")
 
+(defcustom save-interprogram-paste-before-kill nil
+  "Save the paste strings into `kill-ring' before replacing it with emacs 
strings.
+When one selects something in another program to paste it into Emacs,
+but kills something in Emacs before actually pasting it,
+this selection is gone unless this variable is non-nil,
+in which case the other program's selection is saved in the `kill-ring'
+before the Emacs kill and one can still paste it using \\[yank] \\[yank-pop]."
+  :type 'boolean
+  :group 'killing
+  :version "23.2")
+
 (defun kill-new (string &optional replace yank-handler)
   "Make STRING the latest kill in the kill ring.
 Set `kill-ring-yank-pointer' to point to it.
@@ -2806,6 +2817,10 @@
 When a yank handler is specified, STRING must be non-empty (the yank
 handler, if non-nil, is stored as a `yank-handler' text property on STRING).
 
+When `save-interprogram-paste-before-kill' and `interprogram-paste-function'
+are non-nil, saves the interprogram paste string(s) into `kill-ring' before
+STRING.
+
 When the yank handler has a non-nil PARAM element, the original STRING
 argument is not used by `insert-for-yank'.  However, since Lisp code
 may access and use elements from the kill ring directly, the STRING
@@ -2819,6 +2834,14 @@
                (list string "yank-handler specified for empty string"))))
   (if (fboundp 'menu-bar-update-yank-menu)
       (menu-bar-update-yank-menu string (and replace (car kill-ring))))
+  (when save-interprogram-paste-before-kill
+    (let ((interprogram-paste (and interprogram-paste-function
+                                   (funcall interprogram-paste-function))))
+      (when interprogram-paste
+        (if (listp interprogram-paste)
+            (dolist (s (nreverse interprogram-paste))
+              (push s kill-ring))
+            (push interprogram-paste kill-ring)))))
   (if (and replace kill-ring)
       (setcar kill-ring string)
     (push string kill-ring)