From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Introduce "killed" state for xwidgets (Re: shr using `make-xwidget' incorrectly) Date: Thu, 11 Nov 2021 09:59:15 +0200 Message-ID: <83v90z15t8.fsf@gnu.org> References: <87sfw31mok.fsf.ref@yahoo.com> <87sfw31mok.fsf@yahoo.com> <87fss3e5kc.fsf@gnus.org> <87tugjxkn6.fsf_-_@yahoo.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="14558"; mail-complaints-to="usenet@ciao.gmane.io" Cc: larsi@gnus.org, emacs-devel@gnu.org To: Po Lu Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Nov 11 09:00:13 2021 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ml50H-0003c0-6I for ged-emacs-devel@m.gmane-mx.org; Thu, 11 Nov 2021 09:00:13 +0100 Original-Received: from localhost ([::1]:51068 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ml50F-0000lh-IE for ged-emacs-devel@m.gmane-mx.org; Thu, 11 Nov 2021 03:00:11 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:39312) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ml4zO-0008WM-MB for emacs-devel@gnu.org; Thu, 11 Nov 2021 02:59:18 -0500 Original-Received: from [2001:470:142:3::e] (port=44798 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ml4zO-0001Yu-B6; Thu, 11 Nov 2021 02:59:18 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=hkuUJBOGHoZuABZE/pccfNxXWKv18pouNSufPhl11VA=; b=ENOdVc6BoERf jEVEIMXCEvUPuEfLZNuUU+7KhkCeqmw9XuGobOyuMcZQX+ALBAy4C8sphncUyusBAdMThdHXy8mF3 MA0D8OJu/pGlbeUo1STXkiHoKdYkdCX2kVTU+tcQpnULKbbO9ST1UxokpiLHk94TpNQBlqYkCoYNm exxX2PFYwEsp1aETezWH/QNDf0FKnD+wq9txXJR3/V/wh00PBF9b9KrYp8WlrNjAY3Eza3g6JQXwT m3L0tsHUqd9Ay1FIP1+rdPMTdtxlpzcR58mt79VdlziAGSkX/7GpEYzNUSXTuklSNMMiZFX69Jo2S wxMSD5OQ43g9Plol6doN1A==; Original-Received: from [87.69.77.57] (port=3684 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ml4zN-0001pn-U0; Thu, 11 Nov 2021 02:59:18 -0500 In-Reply-To: <87tugjxkn6.fsf_-_@yahoo.com> (message from Po Lu on Thu, 11 Nov 2021 14:37:49 +0800) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:279232 Archived-At: > From: Po Lu > Cc: emacs-devel@gnu.org > Date: Thu, 11 Nov 2021 14:37:49 +0800 > > +DEFUN ("xwidget-live-p", Fxwidget_live_p, Sxwidget_live_p, > + 1, 1, 0, doc: /* Return t if OBJECT is an xwidget that has not been killed. > +Value is nil if OBJECT is not an xwidget or if it has been killed. */) > + (Lisp_Object object) > +{ > + return ((XWIDGETP (object) > + && !NILP (XXWIDGET (object)->buffer)) > + ? Qt : Qnil); > +} What if the xwidget's buffer was itself killed? should this also test that situation?