Merge from emacs-24; up to 117656

1 files changed, 12 insertions, 60 deletions

diff --git a/lisp/emulation/cua-base.el b/lisp/emulation/cua-base.el
index ee70071b7ec..0b6891d6d6d 100644
--- a/lisp/emulation/cua-base.el
+++ b/lisp/emulation/cua-base.el
@@ -277,7 +277,7 @@ enabled."
 
 (defcustom cua-remap-control-v t
   "If non-nil, C-v binding is used for paste (yank).
-Also, M-v is mapped to `cua-repeat-replace-region'."
+Also, M-v is mapped to `delete-selection-repeat-replace-region'."
   :type 'boolean
   :group 'cua)
 
@@ -350,6 +350,8 @@ interpreted as a register number."
   :group 'cua)
 
 (defcustom cua-delete-copy-to-register-0 t
+  ;; FIXME: Obey delete-selection-save-to-register rather than hardcoding
+  ;; register 0.
   "If non-nil, save last deleted region or rectangle to register 0."
   :type 'boolean
   :group 'cua)
@@ -788,26 +790,12 @@ Repeating prefix key when region is active works as a single prefix key."
 
 ;;; Region specific commands
 
-(defvar cua--last-deleted-region-pos nil)
-(defvar cua--last-deleted-region-text nil)
-
 (defun cua-delete-region ()
   "Delete the active region.
 Save a copy in register 0 if `cua-delete-copy-to-register-0' is non-nil."
   (interactive)
-  (let ((start (mark)) (end (point)))
-    (or (<= start end)
-        (setq start (prog1 end (setq end start))))
-    (setq cua--last-deleted-region-text
-          (funcall region-extract-function t))
-    (if cua-delete-copy-to-register-0
-        (set-register ?0 cua--last-deleted-region-text))
-    (setq cua--last-deleted-region-pos
-          (cons (current-buffer)
-                (and (consp buffer-undo-list)
-                     (car buffer-undo-list))))
-    (cua--deactivate)
-    (/= start end)))
+  (require 'delsel)
+  (delete-active-region))
 
 (defun cua-copy-region (arg)
   "Copy the region to the kill ring.
@@ -958,48 +946,8 @@ See also `exchange-point-and-mark'."
         (t
          (let (mark-active)
            (exchange-point-and-mark)
-           (if cua--rectangle
-               (cua--rectangle-corner 0))))))
-
-;; Typed text that replaced the highlighted region.
-(defvar cua--repeat-replace-text nil)
-
-(defun cua-repeat-replace-region (arg)
-  "Repeat replacing text of highlighted region with typed text.
-Searches for the next stretch of text identical to the region last
-replaced by typing text over it and replaces it with the same stretch
-of text."
-  (interactive "P")
-  (when cua--last-deleted-region-pos
-    (with-current-buffer (car cua--last-deleted-region-pos)
-      (save-restriction
-        (widen)
-        ;; Find the text that replaced the region via the undo list.
-        (let ((ul buffer-undo-list)
-              (elt (cdr cua--last-deleted-region-pos))
-              u s e)
-          (when elt
-            (while (consp ul)
-              (setq u (car ul) ul (cdr ul))
-              (cond
-               ((eq u elt) ;; got it
-                (setq ul nil))
-               ((and (consp u) (integerp (car u)) (integerp (cdr u)))
-                (if (and s (= (cdr u) s))
-                    (setq s (car u))
-                  (setq s (car u) e (cdr u)))))))
-          (cond ((and s e (<= s e) (= s (mark t)))
-                 (setq cua--repeat-replace-text (cua--filter-buffer-noprops s e)))
-                ((and (null s) (eq u elt)) ;; nothing inserted
-                 (setq cua--repeat-replace-text
-                       ""))
-                (t
-                 (message "Cannot locate replacement text"))))))
-    (setq cua--last-deleted-region-pos nil))
-  (if (and cua--last-deleted-region-text
-           cua--repeat-replace-text
-           (search-forward cua--last-deleted-region-text nil t nil))
-      (replace-match cua--repeat-replace-text arg t)))
+       (if cua--rectangle
+           (cua--rectangle-corner 0))))))
 
 (defun cua-help-for-region (&optional help)
   "Show region specific help in echo area."
@@ -1320,7 +1268,8 @@ If ARG is the atom `-', scroll upward by nearly full screen."
     (define-key cua--cua-keys-keymap [(control z)] 'undo))
   (when cua-remap-control-v
     (define-key cua--cua-keys-keymap [(control v)] 'yank)
-    (define-key cua--cua-keys-keymap [(meta v)] 'cua-repeat-replace-region))
+    (define-key cua--cua-keys-keymap [(meta v)]
+      'delete-selection-repeat-replace-region))
 
   (define-key cua--prefix-override-keymap [(control x)] 'cua--prefix-override-handler)
   (define-key cua--prefix-override-keymap [(control c)] 'cua--prefix-override-handler)
@@ -1359,6 +1308,7 @@ If ARG is the atom `-', scroll upward by nearly full screen."
 ;;   delete-selection-mode
 
 (defvar cua--saved-state nil)
+(defvar delete-selection-save-to-register)
 
 ;;;###autoload
 (define-minor-mode cua-mode
@@ -1426,6 +1376,8 @@ the prefix fallback behavior."
       (if (and (boundp 'delete-selection-mode) delete-selection-mode)
           (delete-selection-mode -1)))
     (if cua-highlight-region-shift-only (transient-mark-mode -1))
+    (if cua-delete-copy-to-register-0
+        (setq delete-selection-save-to-register ?0))
     (cua--deactivate))
    (cua--saved-state
     (if (nth 0 cua--saved-state)