;;; delsel.el --- delete selection if you insert
-;; Copyright (C) 1992, 1997-1998, 2001-2012 Free Software Foundation, Inc.
+;; Copyright (C) 1992, 1997-1998, 2001-2014 Free Software Foundation,
+;; Inc.
;; Author: Matthieu Devin <devin@lucid.com>
-;; Maintainer: FSF
+;; Maintainer: emacs-devel@gnu.org
;; Created: 14 Jul 92
;; Keywords: convenience emulations
;; The normal case: delete the active region prior to executing
;; the command which will insert replacement text.
;; <function>
-;; For commands which need to dynamically determine this behaviour.
+;; For commands which need to dynamically determine this behavior.
;; The function should return one of the above values or nil.
;;; Code:
is positive, and disable it otherwise. If called from Lisp,
enable the mode if ARG is omitted or nil.
-When Delete Selection mode is enabled, Transient Mark mode is also
-enabled and typed text replaces the selection if the selection is
-active. Otherwise, typed text is just inserted at point regardless of
-any selection."
+When Delete Selection mode is enabled, typed text replaces the selection
+if the selection is active. Otherwise, typed text is just inserted at
+point regardless of any selection."
:global t :group 'editing-basics
(if (not delete-selection-mode)
(remove-hook 'pre-command-hook 'delete-selection-pre-hook)
- (add-hook 'pre-command-hook 'delete-selection-pre-hook)
- (transient-mark-mode t)))
+ (add-hook 'pre-command-hook 'delete-selection-pre-hook)))
(defun delete-active-region (&optional killp)
"Delete the active region.
If KILLP in not-nil, the active region is killed instead of deleted."
(if killp
- (kill-region (point) (mark))
- (delete-region (point) (mark)))
+ ;; Don't allow `kill-region' to change the value of `this-command'.
+ (let (this-command)
+ (kill-region (point) (mark) t))
+ (funcall region-extract-function 'delete-only))
t)
(defun delete-selection-helper (type)
The normal case: delete the active region prior to executing
the command which will insert replacement text.
FUNCTION
- For commands which need to dynamically determine this behaviour.
+ For commands which need to dynamically determine this behavior.
FUNCTION should take no argument and return one of the above values or nil."
(condition-case data
(cond ((eq type 'kill)
- (delete-active-region t))
+ (delete-active-region t)
+ (if (and overwrite-mode
+ (eq this-command 'self-insert-command))
+ (let ((overwrite-mode nil))
+ (self-insert-command
+ (prefix-numeric-value current-prefix-arg))
+ (setq this-command 'ignore))))
((eq type 'yank)
;; Before a yank command, make sure we don't yank the
;; head of the kill-ring that really comes from the
(fboundp 'mouse-region-match)
(mouse-region-match))
(current-kill 1))
- (delete-active-region))
+ (let ((pos (copy-marker (region-beginning))))
+ (delete-active-region)
+ ;; If the region was, say, rectangular, make sure we yank
+ ;; from the top, to "replace".
+ (goto-char pos)))
((eq type 'supersede)
(let ((empty-region (= (point) (mark))))
(delete-active-region)
(not (run-hook-with-args-until-success
'self-insert-uses-region-functions))))
-(put 'self-insert-iso 'delete-selection t)
+(put 'insert-char 'delete-selection t)
+(put 'quoted-insert 'delete-selection t)
(put 'yank 'delete-selection 'yank)
(put 'clipboard-yank 'delete-selection 'yank)
(put 'insert-register 'delete-selection t)
-
-(put 'delete-backward-char 'delete-selection 'supersede)
-(put 'backward-delete-char-untabify 'delete-selection 'supersede)
+;; delete-backward-char and delete-forward-char already delete the selection by
+;; default, but not delete-char.
(put 'delete-char 'delete-selection 'supersede)
+(put 'reindent-then-newline-and-indent 'delete-selection t)
(put 'newline-and-indent 'delete-selection t)
(put 'newline 'delete-selection t)
+(put 'electric-newline-and-maybe-indent 'delete-selection t)
(put 'open-line 'delete-selection 'kill)
;; This is very useful for canceling a selection in the minibuffer without
In Delete Selection mode, if the mark is active, just deactivate it;
then it takes a second \\[keyboard-quit] to abort the minibuffer."
(interactive)
- (if (and delete-selection-mode transient-mark-mode mark-active)
+ (if (and delete-selection-mode (region-active-p))
(setq deactivate-mark t)
(abort-recursive-edit)))
(define-key minibuffer-local-completion-map "\C-g" 'abort-recursive-edit)
(define-key minibuffer-local-must-match-map "\C-g" 'abort-recursive-edit)
(define-key minibuffer-local-isearch-map "\C-g" 'abort-recursive-edit)
- (dolist (sym '(self-insert-command self-insert-iso yank clipboard-yank
- insert-register delete-backward-char backward-delete-char-untabify
- delete-char newline-and-indent newline open-line))
+ (dolist (sym '(self-insert-command insert-char quoted-insert yank
+ clipboard-yank insert-register newline-and-indent
+ reindent-then-newline-and-indent newline open-line))
(put sym 'delete-selection nil))
;; continue standard unloading
nil)
HCoop / bpt / emacs.git / blobdiff