GNU bug report logs - #71386
29.1; Frame is auto-deleted even when it has multiple tabs

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From: Juri Linkov <juri <at> linkov.net>
To: martin rudalics <rudalics <at> gmx.at>
Cc: Eli Zaretskii <eliz <at> gnu.org>, abdo.haji.ali <at> gmail.com, 71386 <at> debbugs.gnu.org
Subject: bug#71386: 29.1; Frame is auto-deleted even when it has multiple tabs
Date: Mon, 17 Jun 2024 09:16:44 +0300

>> +     ((and tab-bar-mode (> (length (funcall tab-bar-tabs-function frame)) 1))
>> +      'tab)
>>
>> How would users get back the old behavior?  By customizing
>> 'tab-bar-close-last-tab-choice', 'tab-bar-tab-prevent-close-functions'?
>
> This patch just copies the logic of frame handling to tab handling.
> There is no customization for frame handling, so there is
> no customization for tab handling.
>
> In window-deletable-p there is hard-coded 'frame-root-window-p'
> that checks if the frame has only 1 window.  So the patch
> does the same by checking if there is only 1 tab on the frame.
>
> Also in window--delete the call of 'tab-bar-close-tab'
> corresponds to the call 'delete-frame'.

Please see a more correct patch:

diff --git a/lisp/window.el b/lisp/window.el
index cf5c07395ab..588014b8f77 100644
--- a/lisp/window.el
+++ b/lisp/window.el
@@ -4138,7 +4138,9 @@ window-deletable-p
                          (not (eq (default-toplevel-value
                                     'minibuffer-follows-selected-frame)
                                   t)))))
-	'frame))
+	(if (and tab-bar-mode (> (length (funcall tab-bar-tabs-function frame)) 1))
+            'tab
+          'frame)))
      ((window-minibuffer-p window)
       ;; If WINDOW is the minibuffer window of a non-minibuffer-only
       ;; frame, it cannot be deleted separately.
@@ -4979,6 +4981,9 @@ window--delete
   (unless (and dedicated-only (not (window-dedicated-p window)))
     (let ((deletable (window-deletable-p window)))
       (cond
+       ((eq deletable 'tab)
+        (tab-bar-close-tab)
+        'tab)
        ((eq deletable 'frame)
 	(let ((frame (window-frame window)))
 	  (cond

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