Add xwidget-webkit-isearch-yank-kill

[Po Lu <luangruo@yahoo.com>]

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I added a command that behaves like `isearch-yank-kill' to xwidget
webkit isearch.

Does anyone want to make a comment before I push it?  Thanks.


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From 108b234ec7d4b00e08786c0f0a17514ea50951a0 Mon Sep 17 00:00:00 2001
From: Po Lu <luangruo@yahoo.com>
Date: Wed, 10 Nov 2021 18:13:22 +0800
Subject: [PATCH] Add `xwidget-webkit-isearch-yank-kill'

* lisp/xwidget.el: Bind C-y to xwidget-webkit-yank-kill in incremental
search.
(xwidget-webkit-isearch-mode): Update doc string.
(xwidget-webkit-yank-kill): New function.
---
 lisp/xwidget.el | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/lisp/xwidget.el b/lisp/xwidget.el
index cad464b5b2..cc149cf197 100644
--- a/lisp/xwidget.el
+++ b/lisp/xwidget.el
@@ -947,6 +947,7 @@ xwidget-webkit-isearch-mode-map
 (define-key xwidget-webkit-isearch-mode-map "\C-g" 'xwidget-webkit-isearch-exit)
 (define-key xwidget-webkit-isearch-mode-map "\C-r" 'xwidget-webkit-isearch-backward)
 (define-key xwidget-webkit-isearch-mode-map "\C-s" 'xwidget-webkit-isearch-forward)
+(define-key xwidget-webkit-isearch-mode-map "\C-y" 'xwidget-webkit-isearch-yank-kill)
 (define-key xwidget-webkit-isearch-mode-map "\t" 'xwidget-webkit-isearch-printing-char)
 
 (let ((meta-map (make-keymap)))
@@ -968,6 +969,9 @@ xwidget-webkit-isearch-mode
 \\<xwidget-webkit-isearch-mode-map>\\[xwidget-webkit-isearch-forward] to move forward, and
 \\<xwidget-webkit-isearch-mode-map>\\[xwidget-webkit-isearch-backward] to move backward.
 
+To insert the string at the front of the kill ring into the
+search query, type \\<xwidget-webkit-isearch-mode-map>\\[xwidget-webkit-isearch-yank-kill].
+
 Press \\<xwidget-webkit-isearch-mode-map>\\[xwidget-webkit-isearch-exit] to exit incremental search."
   :keymap xwidget-webkit-isearch-mode-map
   (if xwidget-webkit-isearch-mode
@@ -977,6 +981,15 @@ xwidget-webkit-isearch-mode
         (xwidget-webkit-isearch--update))
     (xwidget-webkit-finish-search (xwidget-webkit-current-session))))
 
+(defun xwidget-webkit-isearch-yank-kill ()
+  "Pull string from kill ring and append it to the current query."
+  (interactive)
+  (unless xwidget-webkit-isearch-mode
+    (xwidget-webkit-isearch-mode t))
+  (setq xwidget-webkit-isearch--string
+        (concat xwidget-webkit-isearch--string
+                (current-kill 0)))
+  (xwidget-webkit-isearch--update))
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 (defvar xwidget-view-list)              ; xwidget.c
-- 
2.31.1