* lisp/term/xterm.el: Add gui-get-selection support via OSC-52

(xterm--extra-capabilities-type): Add `getSelection'.
(xterm--query): Add `no-async' argument.
(xterm--init-activate-get-selection): New function.
(terminal-init-xterm): Use it.
(xterm--init-modify-other-keys): Rename from
terminal-init-xterm-modify-other-keys.
(xterm--init-bracketed-paste-mode): Rename from
terminal-init-xterm-bracketed-paste-mode.
(xterm--init-activate-set-selection): Rename from
terminal-init-xterm-activate-set-selection.
(xterm--selection-char): New function.
(gui-backend-set-selection): Use it.  Use the &context to only apply
this method in terminals where we enabled the feature.
(gui-backend-get-selection): New method.

1 files changed, 4 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 9f861b29393..1cccc317ab5 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -271,6 +271,10 @@ in the surrounding GUI (using the OSC-52 escape sequence).  This only works
 if your xterm supports it and enables the `allowWindowOps' options (disabled
 by default at least in Debian, for security reasons).
 
+Similarly, you can yank the CLIPBOARD/PRIMARY selection (using the OSC-52
+escape sequence) if your xterm has the feature enabled but for that you
+additionally need to add `getSelection' to `xterm-extra-capabilities'.
+
 ** xterm-mouse-mode now supports mouse-tracking (if your xterm supports it).
 
 ** package.el