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.bugs Subject: bug#55203: 29.0.50; MSW menu bar help text doesn't show when blink-cursor-mode is off Date: Sun, 01 May 2022 10:10:43 +0300 Message-ID: <83ee1d7moc.fsf@gnu.org> References: <874k2arm84.fsf.ref@yahoo.com> <874k2arm84.fsf@yahoo.com> <83fslt7osj.fsf@gnu.org> <87y1zlrcep.fsf@yahoo.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="40279"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 55203@debbugs.gnu.org To: Po Lu Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun May 01 09:11:34 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 1nl3jx-000AIs-RG for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 01 May 2022 09:11:34 +0200 Original-Received: from localhost ([::1]:56730 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nl3jv-0000oY-U6 for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 01 May 2022 03:11:32 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:50040) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nl3jU-0000mN-7O for bug-gnu-emacs@gnu.org; Sun, 01 May 2022 03:11:05 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:37278) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nl3jS-00033w-Aq for bug-gnu-emacs@gnu.org; Sun, 01 May 2022 03:11:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1nl3jS-000427-57 for bug-gnu-emacs@gnu.org; Sun, 01 May 2022 03:11:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 01 May 2022 07:11:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 55203 X-GNU-PR-Package: emacs Original-Received: via spool by 55203-submit@debbugs.gnu.org id=B55203.165138905215487 (code B ref 55203); Sun, 01 May 2022 07:11:02 +0000 Original-Received: (at 55203) by debbugs.gnu.org; 1 May 2022 07:10:52 +0000 Original-Received: from localhost ([127.0.0.1]:59408 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nl3jI-00041j-5o for submit@debbugs.gnu.org; Sun, 01 May 2022 03:10:52 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:56688) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nl3jG-00041W-FH for 55203@debbugs.gnu.org; Sun, 01 May 2022 03:10:50 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:32940) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nl3j9-0002zk-HB; Sun, 01 May 2022 03:10:45 -0400 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=a/E7yWc/B/F9IJU2JYgNFK35FPv4wFmoRAodew36Vfc=; b=gtPNXax3HilH fPStk2bzTDTTWnmyC/wSZDj4lf6mmb1vtoZOPDkDzyHQybTL00fTzVD38xVMojORNcb4X7xWi9Hh3 iqpDNSSkzZjOW4nrsLB3f7kUk/l9lCyCJqREv+YJwcVG1V1XBbYz4xCLp0v6VIGsdNiJtym0JvraI PbPZwQ+uJlxohfvoXAu8ftcLqcVut9R1fLKqr8WOFsGwj1vnhoE6nY9PsqopF7FUQI0gYTqpBSaUw YMi9UtQQCoCnATPJf3IeraFwnsREQyX+UPgLsXagEnV86IVl7eflgEB0tRUGFOmeDMj0gTXFAjcvy tiQw4fpjuYas0+gmnJBvZA==; Original-Received: from [87.69.77.57] (port=3249 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 1nl3j5-0003yl-QO; Sun, 01 May 2022 03:10:42 -0400 In-Reply-To: <87y1zlrcep.fsf@yahoo.com> (message from Po Lu on Sun, 01 May 2022 14:32:14 +0800) 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:231090 Archived-At: > From: Po Lu > Cc: 55203@debbugs.gnu.org > Date: Sun, 01 May 2022 14:32:14 +0800 > > Eli Zaretskii writes: > > > This is a well-known problem. It is caused by the implementation of > > Emacs menus on MS-Windows: we start a separate message loop for > > handling the menu events, and this suspends the main event loop. When > > blink-cursor-mode is ON, the timer causes the main event loop to turn > > a notch, and then Emacs produces the help-echo for the menu item; but > > without cursor blinking and no other sources of async input events, > > that doesn't happen. > > Thanks. Could you point to where that "separate message loop" is > started? I couldn't find anything in w32menu.c. It's in w32fns.c, under WM_EMACS_TRACKPOPUPMENU. w32menu.c sends the WM_EMACS_TRACKPOPUPMENU message to the main window procedure when the menu is ready to be displayed. We then call TrackPopupMenu and discard any mouse events except those which select a menu item (AFAIU what happens there; I'm nowhere close to being an expert on this stuff).