master 1dc2d5441e3: * lisp/tab-bar.el: Restore the original tab where minibuffer was activated.

[Juri Linkov]

branch: master
commit 1dc2d5441e3d7d202ca9d842b73f165a1b2ed42e
Author: Juri Linkov <juri@linkov.net>
Commit: Juri Linkov <juri@linkov.net>

    * lisp/tab-bar.el: Restore the original tab where minibuffer was activated.
    
    (tab-bar-minibuffer-restore-tab): New variable and function.
    (tab-bar-select-tab): Use them (bug#64373).
---
 lisp/tab-bar.el | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/lisp/tab-bar.el b/lisp/tab-bar.el
index 87ca80ce00a..234e7e5d14d 100644
--- a/lisp/tab-bar.el
+++ b/lisp/tab-bar.el
@@ -1253,6 +1253,19 @@ inherits the current tab's `explicit-name' parameter."
                              tabs))))
 
 
+(defvar tab-bar-minibuffer-restore-tab nil
+  "Tab number for `tab-bar-minibuffer-restore-tab'.")
+
+(defun tab-bar-minibuffer-restore-tab ()
+  "Switch back to the tab where the minibuffer was activated.
+This is necessary to prepare the same window configuration where
+original windows were saved and will be restored.  This function
+is used only when `read-minibuffer-restore-windows' is non-nil."
+  (when (and read-minibuffer-restore-windows
+             tab-bar-minibuffer-restore-tab)
+    (tab-bar-select-tab tab-bar-minibuffer-restore-tab)
+    (setq tab-bar-minibuffer-restore-tab nil)))
+
 (defun tab-bar-select-tab (&optional tab-number)
   "Switch to the tab by its absolute position TAB-NUMBER in the tab bar.
 When this command is bound to a numeric key (with a key prefix or modifier key
@@ -1278,6 +1291,11 @@ Negative TAB-NUMBER counts tabs from the end of the tab 
bar."
          (to-index (1- (max 1 (min to-number (length tabs)))))
          (minibuffer-was-active (minibuffer-window-active-p 
(selected-window))))
 
+    (when (and read-minibuffer-restore-windows minibuffer-was-active
+               (not tab-bar-minibuffer-restore-tab))
+      (setq tab-bar-minibuffer-restore-tab (1+ from-index))
+      (add-hook 'minibuffer-exit-hook 'tab-bar-minibuffer-restore-tab))
+
     (unless (eq from-index to-index)
       (let* ((from-tab (tab-bar--tab))
              (to-tab (nth to-index tabs))