Subject: bug#64619: [PATCH] Add toggle-window-dedicated command

From: Spencer Baugh <[email-masked]>
Date: Fri, 14 Jul 2023 11:38:59 -0400

Tags: patch

It's sometimes useful to interactively make certain windows dedicated.
This allows a level of interactive control over which window
display-buffer uses.

* lisp/window.el (toggle-window-dedicated): Add.
(window-prefix-map): Add C-x w d binding.

In GNU Emacs 29.0.92 (build 5, x86_64-pc-linux-gnu, X toolkit, cairo
 version 1.15.12, Xaw scroll bars) of 2023-07-10 built on
 igm-qws-u22796a
Repository revision: dd15432ffacbeff0291381c0109f5b1245060b1d
Repository branch: emacs-29
Windowing system distributor 'The X.Org Foundation', version 11.0.12011000
System Description: CentOS Linux 7 (Core)

Configured using:
 'configure --config-cache --with-x-toolkit=lucid
 --with-gif=ifavailable'

>From 2e8caf7d1f0a402568fac9e8767064a452499d60 Mon Sep 17 00:00:00 2001
From: Spencer Baugh <[email-masked]>
Date: Fri, 14 Jul 2023 11:38:24 -0400
Subject: [PATCH] Add toggle-window-dedicated command

It's sometimes useful to interactively make certain windows dedicated.
This allows a level of interactive control over which window
display-buffer uses.

* lisp/window.el (toggle-window-dedicated): Add.
(window-prefix-map): Add C-x w d binding.
---
 lisp/window.el | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/lisp/window.el b/lisp/window.el
index d91bbabc010..f884d9aaf16 100644
--- a/lisp/window.el
+++ b/lisp/window.el
@@ -7463,6 +7463,20 @@ display-buffer-mark-dedicated
 The actual non-nil value of this variable will be copied to the
 `window-dedicated-p' flag.")
 
+(defun toggle-window-dedicated (&optional window interactive)
+  "Toggle whether WINDOW is dedicated.
+
+See `set-window-dedicated-p' for more details.  WINDOW defaults
+to the currently selected window."
+  (interactive "i\np")
+  (setq window (window-normalize-window window))
+  (if (window-dedicated-p window)
+      (progn
+        (set-window-dedicated-p window nil)
+        (when interactive (message "Window can now be used to display other buffers")))
+    (set-window-dedicated-p window 'dedicated)
+    (when interactive (message "Window will now display only its current buffer"))))
+
 (defconst display-buffer--action-function-custom-type
   '(choice :tag "Function"
 	   (const :tag "--" ignore) ; default for insertion
@@ -10746,6 +10760,7 @@ window-prefix-map
   "2" #'split-root-window-below
   "3" #'split-root-window-right
   "s" #'window-toggle-side-windows
+  "d" #'toggle-window-dedicated
   "^ f" #'tear-off-window
   "^ t" #'tab-window-detach
   "-" #'fit-window-to-buffer
-- 
2.39.3