From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.ciao.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#34138: 27.0.50; Delayed display of PDF file images Date: Mon, 21 Jan 2019 20:42:48 +0200 Message-ID: <83fttlam3b.fsf@gnu.org> References: <871s58e4gh.fsf@gmx.net> <5C443CB1.3050208@gmx.at> <87h8e3h90z.fsf@gmx.net> <5C4483B7.1060604@gmx.at> <87d0orgz0a.fsf@gmx.net> <837eezbazk.fsf@gnu.org> <878szfgwdu.fsf@gmx.net> <8336pnb9cq.fsf@gnu.org> <874la3gujy.fsf@gmx.net> <831s57b7ev.fsf@gnu.org> <87zhrvfdzu.fsf@gmx.net> <83zhrv9qe5.fsf@gnu.org> <87sgxnf48d.fsf@gmx.net> <83pnsq9f47.fsf@gnu.org> <871s56dm5q.fsf@gmx.net> <83lg3e9dd6.fsf@gnu.org> <87womxdgdq.fsf@gmx.net> Injection-Info: ciao.gmane.org; posting-host="ciao.gmane.org:195.159.176.228"; logging-data="132567"; mail-complaints-to="usenet@ciao.gmane.org" Cc: 34138@debbugs.gnu.org, politza@hochschule-trier.de, tsdh@gnu.org To: Stephen Berman Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Jan 21 19:53:53 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1glehc-000YD7-4v for geb-bug-gnu-emacs@m.gmane.org; Mon, 21 Jan 2019 19:53:44 +0100 Original-Received: from localhost ([127.0.0.1]:57979 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1glebX-0005rs-Ds for geb-bug-gnu-emacs@m.gmane.org; Mon, 21 Jan 2019 13:47:27 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:33883) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gleYG-00035r-UQ for bug-gnu-emacs@gnu.org; Mon, 21 Jan 2019 13:44:05 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gleYF-0006vU-48 for bug-gnu-emacs@gnu.org; Mon, 21 Jan 2019 13:44:04 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:41156) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gleYE-0006v3-KN for bug-gnu-emacs@gnu.org; Mon, 21 Jan 2019 13:44:03 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1gleYE-0004uB-Gx for bug-gnu-emacs@gnu.org; Mon, 21 Jan 2019 13:44:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 21 Jan 2019 18:44:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 34138 X-GNU-PR-Package: emacs Original-Received: via spool by 34138-submit@debbugs.gnu.org id=B34138.154809619018787 (code B ref 34138); Mon, 21 Jan 2019 18:44:02 +0000 Original-Received: (at 34138) by debbugs.gnu.org; 21 Jan 2019 18:43:10 +0000 Original-Received: from localhost ([127.0.0.1]:40437 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gleXO-0004sx-D8 for submit@debbugs.gnu.org; Mon, 21 Jan 2019 13:43:10 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:51568) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gleXN-0004sk-1w for 34138@debbugs.gnu.org; Mon, 21 Jan 2019 13:43:09 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:42537) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gleXH-0006VP-1o; Mon, 21 Jan 2019 13:43:03 -0500 Original-Received: from [176.228.60.248] (port=2589 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1gleXG-0007hF-D0; Mon, 21 Jan 2019 13:43:02 -0500 In-reply-to: <87womxdgdq.fsf@gmx.net> (message from Stephen Berman on Mon, 21 Jan 2019 19:17:53 +0100) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:154649 Archived-At: > From: Stephen Berman > Cc: rudalics@gmx.at, 34138@debbugs.gnu.org, politza@hochschule-trier.de, tsdh@gnu.org > Date: Mon, 21 Jan 2019 19:17:53 +0100 > > > Can you establish (e.g., by adding 'message' lines to the Lisp source) > > where in the pdf-view-mode's sources this delay starts? IOW, what is > > the last thing pdf-view-mode does before the delay begins? > > I don't know where it makes sense to output messages. I did step > through pdf-view-mode and the last function it calls, > pdf-view-goto-page, but when that function returns it's just the raw PDF > that's displayed. I then instrumented all pdf-view defuns and while > stepping though, the PDF image appeared on calling > pdf-view-maybe-redisplay-resized-windows, which is added to > window-configuration-change-hook in pdf-view-mode. So it appears that > the delay starts between pdf-view-goto-page returning and > pdf-view-maybe-redisplay-resized-windows being called, but when stepping > through the long call chain, I did not see the transition (no raw PDF > was displayed, just the rendered image at the end). So you are saying that the image is displayed by a function that is on window-configuration-change-hook? If so, what change in the window configuration is supposed to trigger the hook in your scenario? (I think I'm missing something, because I don't see how it would make sense to display PDF documents from that particular hook.) In any case, is it certain that once pdf-view-maybe-redisplay-resized-windows starts running, the image is displayed immediately without delays?