GNU bug report logs - #69460
29.2.50; dialog confirmation box not working

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Jeff Filipovits <jeff <at> civil-rights.law>
Cc: 69460 <at> debbugs.gnu.org
Subject: bug#69460: 29.2.50; dialog confirmation box not working
Date: Wed, 28 Feb 2024 17:58:09 +0200

> From: Jeff Filipovits <jeff <at> civil-rights.law>
> Date: Wed, 28 Feb 2024 10:19:24 -0500
> 
> Previously (Emacs 28),
> 
> (let ((last-nonmenu-event nil))
>     (yes-or-no-p "whatever"))
> 
> Would pop up a system dialog box. This does not work 
> anymore.

Yes, because popping up a GUI dialog just because last-nonmenu-event
was nil caused trouble in some important cases, especially immediately
after starting Emacs.  The conditions for triggering GUI dialogs are
now more elaborate:

  (defun use-dialog-box-p ()
    "Return non-nil if the current command should prompt the user via a dialog box."
    (and last-input-event                 ; not during startup
	 (or (consp last-nonmenu-event)   ; invoked by a mouse event
	     (and (null last-nonmenu-event)
		  (consp last-input-event))
	     from--tty-menu-p)            ; invoked via TTY menu
	 use-dialog-box))

This is not a bug.

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