From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Sam Steingold <sds@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: kill-new discards current X selection
Date: Wed, 26 Aug 2009 15:28:04 -0400 [thread overview]
Message-ID: <jwv8wh67548.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <4A95606A.6050606@gnu.org> (Sam Steingold's message of "Wed, 26 Aug 2009 12:18:50 -0400")
> When I select a word in an xterm and then kill in emacs, then X selection is
> gone forever, replaced with the emacs kill.
> The appended patch prepends the current X selection to kill-ring before
> replacing the X selection with the current Emacs kill.
> Is it OK to install it unconditionally, or is it better to guard it
> with a user option, e.g., save-interprogram-paste-before-kill?
It needs to be guarded, because it can cause a delay in C-k (when the
previous selection owner is non-responsive) and some people find it
unacceptable. At least that's my recollection of the consensus last
time I suggested it.
BTW, here's the version I use in my own local collection of hacks.
Stefan
=== modified file 'lisp/simple.el'
--- lisp/simple.el 2009-08-19 08:31:59 +0000
+++ lisp/simple.el 2009-08-21 14:24:38 +0000
@@ -2799,6 +2851,21 @@
argument is not used by `insert-for-yank'. However, since Lisp code
may access and use elements from the kill ring directly, the STRING
argument should still be a \"useful\" string for such uses."
+ ;; To better pretend that X-selection = head-of-kill-ring, we copy other
+ ;; application's X-selection to the kill-ring. This comes in handy when
+ ;; you do something like:
+ ;; - copy a piece of text in your web-browser.
+ ;; - have to do some editing (including killing) before you can yank
+ ;; that text.
+ ;; Note: this piece of code inspired from current-kill.
+ (let ((paste (and interprogram-paste-function
+ (funcall interprogram-paste-function))))
+ (when paste
+ (let ((interprogram-cut-function nil)
+ (interprogram-paste-function nil))
+ (kill-new paste))))
+ ;; The actual kill-new functionality.
+ (when (equal string (car kill-ring)) (setq replace t))
(if (> (length string) 0)
(if yank-handler
(put-text-property 0 (length string)
next prev parent reply other threads:[~2009-08-26 19:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-26 16:18 kill-new discards current X selection Sam Steingold
2009-08-26 18:41 ` Jan D.
2009-08-26 19:28 ` Stefan Monnier [this message]
2009-08-26 20:39 ` Sam Steingold
2009-08-27 3:03 ` Stefan Monnier
2009-08-26 19:36 ` David De La Harpe Golden
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