From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#7464: 24.0.50; mouse highlighting vanishes upon unsplitting window Date: Fri, 30 Mar 2012 09:35:45 +0300 Message-ID: <83limi1tq6.fsf@gnu.org> References: <877hg5l828.fsf@escher.home> <8362vp9rci.fsf@gnu.org> <83y68l88xd.fsf@gnu.org> <87sjh12a0d.fsf@gnu.org> <871uolhmdx.fsf@escher.home> <83d381u9xy.fsf@gnu.org> <87limpoenv.fsf@escher.home> <83vclts5aq.fsf@gnu.org> <87pqc0bzyp.fsf@escher.home> <83mx70imgh.fsf@gnu.org> <874nt7hm9q.fsf@escher.home> <83r4wb1byq.fsf@gnu.org> <87ty173tkt.fsf@escher.home> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: dough.gmane.org 1333089414 12136 80.91.229.3 (30 Mar 2012 06:36:54 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Fri, 30 Mar 2012 06:36:54 +0000 (UTC) Cc: cyd@gnu.org, 7464@debbugs.gnu.org To: Stephen Berman Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Mar 30 08:36:52 2012 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1SDVS7-0001sc-Pm for geb-bug-gnu-emacs@m.gmane.org; Fri, 30 Mar 2012 08:36:51 +0200 Original-Received: from localhost ([::1]:54445 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SDVS7-0008D3-0R for geb-bug-gnu-emacs@m.gmane.org; Fri, 30 Mar 2012 02:36:51 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:34159) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SDVRz-0008Bj-Q6 for bug-gnu-emacs@gnu.org; Fri, 30 Mar 2012 02:36:48 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SDVRt-0003hK-Ki for bug-gnu-emacs@gnu.org; Fri, 30 Mar 2012 02:36:42 -0400 Original-Received: from [140.186.70.43] (port=39050 helo=debbugs.gnu.org) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SDVRt-0003gz-Hi for bug-gnu-emacs@gnu.org; Fri, 30 Mar 2012 02:36:37 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1SDVwH-0007aN-IF for bug-gnu-emacs@gnu.org; Fri, 30 Mar 2012 03:08:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 30 Mar 2012 07:08:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 7464 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 7464-submit@debbugs.gnu.org id=B7464.133309127029132 (code B ref 7464); Fri, 30 Mar 2012 07:08:01 +0000 Original-Received: (at 7464) by debbugs.gnu.org; 30 Mar 2012 07:07:50 +0000 Original-Received: from localhost ([127.0.0.1]:45882 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1SDVw4-0007Zn-H1 for submit@debbugs.gnu.org; Fri, 30 Mar 2012 03:07:49 -0400 Original-Received: from mtaout23.012.net.il ([80.179.55.175]:41428) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1SDVvb-0007ZA-9C for 7464@debbugs.gnu.org; Fri, 30 Mar 2012 03:07:47 -0400 Original-Received: from conversion-daemon.a-mtaout23.012.net.il by a-mtaout23.012.net.il (HyperSendmail v2007.08) id <0M1O00100Q28FZ00@a-mtaout23.012.net.il> for 7464@debbugs.gnu.org; Fri, 30 Mar 2012 09:35:46 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([84.229.231.234]) by a-mtaout23.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0M1O001ZCQBLBV80@a-mtaout23.012.net.il>; Fri, 30 Mar 2012 09:35:46 +0300 (IDT) In-reply-to: <87ty173tkt.fsf@escher.home> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:58313 Archived-At: > Date: 30 Mar 2012 00:56:02 +0200 > From: "Stephen Berman" > Cc: cyd@gnu.org, 7464@debbugs.gnu.org > > > changed_p |= update_window_line (w, vpos, > > &mouse_face_overwritten_p); > > I got this far, but... > > > Does the mouse_face_overwritten_p flag return being set when the line > > with highlight is updated? > > ...I don't understand what I should do to answer this question. Here's > what I tried (the Emacs window was still displaying mouse highlighting): > > (gdb) > 3655 changed_p |= update_window_line (w, vpos, > (gdb) s > update_window_line (w=0x88a9290, vpos=2, mouse_face_overwritten_p=0xbfffd17c) > at /data/steve/bzr/emacs/quickfixes/src/dispnew.c:4009 > 4009 struct glyph_row *current_row = MATRIX_ROW (w->current_matrix, vpos); > (gdb) n > 4010 struct glyph_row *desired_row = MATRIX_ROW (w->desired_matrix, vpos); > (gdb) p w->current_matrix > $8 = (struct glyph_matrix *) 0x89f2e58 > (gdb) p w->current_matrix->rows > $9 = (struct glyph_row *) 0x8aa18a0 > (gdb) p (w->current_matrix->rows+1)->mouse_face_p > $10 = 0 > (gdb) p mouse_face_overwritten_p > $11 = (int *) 0xbfffd17c > > I guess this isn't the answer you're looking for. If you can continue > to indulge me with precise gdb instructions, I'll be happy to try again. When update_window_line updates the screen line that has some characters highlighted, it should set mouse_face_overwritten_p to a non-zero value. So either step over the call to update_window_line (i.e. 'n' instead of 's'), or, if you stepped into it, type "finish", and then look at the value of mouse_face_overwritten_p after the call. But please do it for the row with highlight; e.g., if it's the 2nd screen line, do it when the value of vpos is 1.