bug#74833: 31.0.50; Copy to OS clipboard doesn't work in macOS Terminal.app with xterm-mouse-mode enabled

Jared Finder <[email protected]> writes:

> On 2026-08-15 23:21, Philip Kaludercic wrote:
>> Jared Finder <[email protected]> writes:
>>> On 2026-08-15 10:11, Philip Kaludercic wrote:
>>>> Jared Finder <[email protected]> writes:
>>>>> On 2026-08-15 07:13, Philip Kaludercic wrote:
>>>>>> Jared Finder <[email protected]> writes:
>>>>>> [...]
>>>>>> 
>>>>>>> +(defconst xterm--auto-xt-mouse-allowed-names
>>>>>>> +  (mapconcat (lambda (s) (concat "^" s "\\>"))
>>>>>>> +             '("Konsole"
>>>>>>> +               "WezTerm"
>>>>>>> +               ;; "XTerm"   ;Disabled because OSC52 support is
>>>>>>> opt-in only.
>>>>>>> +               "iTerm2"     ;OSC52 support has opt-in/out UI on
>>>>>>> first usage
>>>>>>> +               "kitty")
>>>>>>> +             "\\|")
>>>>>>> +  "Regexp for terminals that automatically enable
>>>>>>> `xterm-mouse-mode' at startup.
>>>>>>> +This will get matched against the terminal's XTVERSION string.
>>>>>> Would it be possible to add VTE
>>>>>> (https://gitlab.gnome.org/GNOME/vte)
>>>>>> to
>>>>>> this list, to support GNOME's terminal and other terminal emulators
>>>>>> that
>>>>>> use the library (AFAIK that include XFCE's and MATE's terminal
>>>>>> emulator).
>>>>>> [...]
>>>>> Don't modern versions of VTE now report OSC52 from a primary DA
>>>>> query?
>>>>> Try running "echo -e '\e[c'", is 52 in the returned list?
>>>> No, it responds with
>>> That's unfortunate.
>>> What does the terminal return from an XTVERSION request?  That's
>>> "echo
>>> -e '\e[>0q'".  Assuming the string is unique enough, we can add it to
>>> the list.
>> Both GNOME Terminal, Console and XFCE4 terminal respond with:
>>   :>|VTE(8001)^[\
>
> Great, adding "VTE" to the list of console names inside
> xterm--auto-xt-mouse-allowed-names should be sufficient.  Can someone
> with write access to the Emacs repo do that?  Ideally this is also
> done on the 31 branch.

I can push the following patch to emacs31 if Sean and/or Eli are OK with
it.  I have tested it with GNOME terminal and it does enable
xterm-mouse-mode in emacs -Q -nw:



>   -- MJF

From 0da80cadf98246aad15a53f8db1e4c72296cb54e Mon Sep 17 00:00:00 2001
From: Philip Kaludercic <[email protected]>
Date: Sun, 16 Aug 2026 19:26:43 +0200
Subject: [PATCH] Add "VTE" to list of auto-enabled xterm-mouse-mode terminals

* lisp/term/xterm.el (xterm--auto-xt-mouse-allowed-names): Add
entry to match VTE, GNOME's terminal emulation library.
(Bug#74833)
---
 lisp/term/xterm.el | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lisp/term/xterm.el b/lisp/term/xterm.el
index 60a992a7e7b..3bef88d5010 100644
--- a/lisp/term/xterm.el
+++ b/lisp/term/xterm.el
@@ -106,6 +106,7 @@ xterm-paste-ending-sequence
 (defconst xterm--auto-xt-mouse-allowed-names
   (rx string-start
       (or "Konsole"
+          "VTE"
           "WezTerm"
           ;; "XTerm"   ;Disabled because OSC52 support is opt-in only.
           "iTerm2"     ;OSC52 support has opt-in/out UI on first usage
-- 
2.47.3