From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#52994: 29.0.50; Help descriptions from menu bar items don't appear in the echo area Date: Sat, 22 Jan 2022 21:50:04 +0800 Message-ID: <87ilububg3.fsf@yahoo.com> References: <87a6fyr9r5.fsf@gnus.org> <87o8463e72.fsf@gnus.org> <87h79y1vne.fsf@yahoo.com> <87zgnot2rn.fsf@yahoo.com> <87v8yct0or.fsf@yahoo.com> Reply-To: Po Lu Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="20198"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) Cc: Lars Ingebrigtsen , 52994@debbugs.gnu.org, Daniel =?UTF-8?Q?Mart=C3=ADn?= To: Alan Third Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Jan 22 14:52:13 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1nBGoP-00054D-2T for geb-bug-gnu-emacs@m.gmane-mx.org; 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Sat, 22 Jan 2022 13:50:16 +0000 Original-Received: by kubenode507.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 8fb36d82521063a932311964df8e6e5d; Sat, 22 Jan 2022 13:50:09 +0000 (UTC) In-Reply-To: <87v8yct0or.fsf@yahoo.com> (Po Lu's message of "Sat, 22 Jan 2022 20:27:48 +0800") X-Mailer: WebService/1.1.19615 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:224828 Archived-At: Po Lu writes: >> What's the "menu bar" if not the toolkit menus? > On every other toolkit (and at least GNUstep, which I just verified), > the menu bar doesn't interfere with the usual event loop. Though > unfortunately GNUstep doesn't implement willHighlightItem, so I can only > implement help text for macOS. Unfortunately, it seems that's not possible either: macOS itself runs a nested event loop inside HIToolBoxTrackMenuCommon whenever the menu bar is opened, which seems to involve Carbon. I don't know anything about Carbon, so someone else will have to figure out how to exit such an event loop. Otherwise, the code works fine, so I installed it for GNUstep (where menu tracking is done in the NS event loop) in the hopes that they will implement `willHighlightItem' at some point in the future. Thanks.