From 44e9dc491ddac0ee9497f5b28d0c7e679055ecaf Mon Sep 17 00:00:00 2001
From: Ravi R Kiran <aine.marina@gmail.com>
Date: Sun, 2 May 2021 14:31:56 -0500
Subject: Finally figured out a way to make variables terminal-local


diff --git a/lisp/xterm-kitty.el b/lisp/xterm-kitty.el
index 7d30e20..809bff3 100644
--- a/lisp/xterm-kitty.el
+++ b/lisp/xterm-kitty.el
@@ -353,10 +353,6 @@ function is almost equivalent to 'event-convert-list'."
       (vector (xterm-kitty--add-modifier-list modifiers key))
     default))
 
-(defun xterm-kitty-remove-keyboard ()
-  "Reset keyboard to prior status, if modified by kitty-escape-codes."
-  (send-string-to-terminal "\e[<u"))
-
 ;; To do: debug the reason that the table method does not work
 ;;   - the table does not seem to be reflected in input-decode-map
 ;;   - the table method is needed for those packages which advice
@@ -376,7 +372,8 @@ function is almost equivalent to 'event-convert-list'."
       (unless keymap                    ; default keymap was used
         (message "Applying xterm-kitty changes")
         (send-string-to-terminal "\e[>1;u")
-        (add-hook 'kill-emacs-hook 'xterm-kitty-remove-keyboard))
+        (push "\e[>1;u" (terminal-parameter nil 'tty-mode-set-strings))
+        (push "\e[<u" (terminal-parameter nil 'tty-mode-reset-strings)))
       (if xterm-kitty-use-table-method
           (xterm-kitty--insert-decode-table kmap)
         (define-key kmap xterm-kitty-escape-prefix #'xterm-kitty--handle-escape-code)))
@@ -391,11 +388,8 @@ function is almost equivalent to 'event-convert-list'."
     (add-hook 'terminal-init-xterm-hook 'xterm-kitty-save-window-id)
     (xterm-kitty-add-select-frame-set-input-focus-advice)))
 
-(defvar xterm-kitty--window-id-hash-table ; private storage
-  (make-hash-table :test #'equal)
-  "Map of terminals (windows in kitty parlance) to kitty window ids")
 (defun xterm-kitty-window-id (&optional terminal) ; public API
-  (gethash (terminal-name terminal) xterm-kitty--window-id-hash-table))
+  (terminal-parameter terminal 'kitty-window-id))
 
 (defun xterm-kitty--remote-control-response ()
   (let ((str "")
@@ -429,7 +423,7 @@ function is almost equivalent to 'event-convert-list'."
                           (gethash "windows" tab)))
                   (gethash "tabs" os-win)))
           response-json)
-    (puthash (terminal-name) window-id xterm-kitty--window-id-hash-table)))
+    (set-terminal-parameter nil 'kitty-window-id window-id)))
 
 (defun xterm-kitty-save-window-id ()
   "Save kitty window ID of current terminal"
@@ -447,7 +441,7 @@ function is almost equivalent to 'event-convert-list'."
   (let* ((frame (if (windowp frame-or-window)
                     (window-frame frame-or-window)
                   frame-or-window))
-         (kitty-window-id (and xterm-kitty-in-use (xterm-kitty-window-id frame))))
+         (kitty-window-id (and xterm-kitty-in-use (xterm-kitty-window-id (frame-terminal frame)))))
     ;; (message "Window id %d for %s" kitty-window-id frame)
     (when kitty-window-id
       (send-string-to-terminal (format xterm-kitty--focus-window-command-string kitty-window-id)))))
-- 
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