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master e5de76b72e: New user option to disable deleting current input in
From: |
Lars Ingebrigtsen |
Subject: |
master e5de76b72e: New user option to disable deleting current input in comint mouse-2 |
Date: |
Sat, 23 Jul 2022 03:16:08 -0400 (EDT) |
branch: master
commit e5de76b72e75aaa04d83331ebc4d72dadd7eed77
Author: Visuwesh <visuweshm@gmail.com>
Commit: Lars Ingebrigtsen <larsi@gnus.org>
New user option to disable deleting current input in comint mouse-2
* etc/NEWS: Announce the user option (bug#56646).
* lisp/comint.el (comint-delete-old-input): New user option to disable
deleting current input when insert an old input using mouse-2.
(comint-insert-input): Use it.
---
etc/NEWS | 5 +++++
lisp/comint.el | 15 +++++++++++----
2 files changed, 16 insertions(+), 4 deletions(-)
diff --git a/etc/NEWS b/etc/NEWS
index a143550f03..666699e8c6 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -996,6 +996,11 @@ The user option 'comint-terminfo-terminal' and the variable
'system-uses-terminfo' can now be set as connection-local variables to
change the terminal used on a remote host.
+---
+*** New user option 'comint-delete-old-input'
+When set to nil, this prevents comint from deleting the current input
+when inserting previous input using '<mouse-2>'.
+
** Mwheel
---
diff --git a/lisp/comint.el b/lisp/comint.el
index d52623c00a..3ed04f098c 100644
--- a/lisp/comint.el
+++ b/lisp/comint.el
@@ -905,6 +905,12 @@ series of processes in the same Comint buffer. The hook
"Return non-nil if STR contains non-whitespace syntax."
(not (string-match "\\`\\s *\\'" str)))
+(defcustom comint-delete-old-input t
+ "When non-nil, delete old input on inserting previous input with
\\<comint-mode-map>\\[comint-insert-input]."
+ :type 'boolean
+ :group 'comint
+ :version "29.1")
+
(defun comint-insert-input (event)
"In a Comint buffer, set the current input to the previous input at point.
If there is no previous input at point, run the command specified
@@ -936,10 +942,11 @@ by the global keymap (usually `mouse-yank-at-click')."
;; Otherwise, insert the previous input.
(goto-char (point-max))
;; First delete any old unsent input at the end
- (delete-region
- (or (marker-position comint-accum-marker)
- (process-mark (get-buffer-process (current-buffer))))
- (point))
+ (when comint-delete-old-input
+ (delete-region
+ (or (marker-position comint-accum-marker)
+ (process-mark (get-buffer-process (current-buffer))))
+ (point)))
;; Insert the input at point
(insert input)))))
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