From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Juri Linkov Newsgroups: gmane.emacs.bugs Subject: bug#32790: 27.0.50; point jumps unexpectedly after delete-window Date: Fri, 16 Nov 2018 00:59:59 +0200 Organization: LINKOV.NET Message-ID: <87ftw2q74g.fsf@mail.linkov.net> References: <87efdnsp2k.fsf@mail.linkov.net> <87h8h195ki.fsf@mail.linkov.net> <5BDAC159.1060008@gmx.at> <87muqsh11q.fsf@mail.linkov.net> <5BDC0E81.1050806@gmx.at> <87tvkwh4bp.fsf@mail.linkov.net> <5BE00F12.5000703@gmx.at> <87d0rjuq8c.fsf@mail.linkov.net> <5BE15552.4040507@gmx.at> <87y3a5rgm2.fsf@mail.linkov.net> <5BE2AF28.2020505@gmx.at> <87bm6zme24.fsf@mail.linkov.net> <5BE54FA1.2030004@gmx.at> <87k1lkllud.fsf@mail.linkov.net> <5BE7EDAD.9040808@gmx.at> <87tvklx4je.fsf@mail.linkov.net> <5BEA94A7.20809@gmx.at> <87r2foa8gq.fsf@mail.linkov.net> <5BEBDDCB.6090608@gmx.at> <87va4zfapq.fsf@mail.linkov.net> <5BED38A6.6020206@gmx.at> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; 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Thu, 15 Nov 2018 15:07:39 -0800 (PST) X-DH-BACKEND: pdx1-sub0-mail-a77 In-Reply-To: <5BED38A6.6020206@gmx.at> (martin rudalics's message of "Thu, 15 Nov 2018 10:13:10 +0100") X-VR-OUT-STATUS: OK X-VR-OUT-SCORE: -100 X-VR-OUT-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedtkedrleeigddtjecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucggtfgfnhhsuhgsshgtrhhisggvpdfftffgtefojffquffvnecuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhvffuohhfffgjkfgfgggtgfesthekredttderjeenucfhrhhomheplfhurhhiucfnihhnkhhovhcuoehjuhhriheslhhinhhkohhvrdhnvghtqeenucfkphepledurdduvdelrddutdejrddvgeegnecurfgrrhgrmhepmhhouggvpehsmhhtphdphhgvlhhopehmrghilhdrjhhurhhtrgdrohhrghdpihhnvghtpeeluddruddvledruddtjedrvdeggedprhgvthhurhhnqdhprghthheplfhurhhiucfnihhnkhhovhcuoehjuhhriheslhhinhhkohhvrdhnvghtqedpmhgrihhlfhhrohhmpehjuhhriheslhhinhhkohhvrdhnvghtpdhnrhgtphhtthhopehruhgurghlihgtshesghhmgidrrghtnecuvehluhhsthgvrhfuihiivgeptd 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: 208.118.235.43 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:152440 Archived-At: >>>> But currently I'm more concerned about inability to use switch-to-bu= ffer, >>>> i.e. trying to display a buffer in another window with =E2=80=98S-M-= down C-x b RET=E2=80=99 >>>> doesn't work. >>> >>> You mean wherever we can't use 'pop-to-buffer-same-window' instead? >> >> Yes, and 'switch-to-buffer' should not use 'pop-to-buffer-same-window'= . > > You mean uses of 'switch-to-buffer' in code that we cannot (or are too > lazy to) replace with 'pop-to-buffer-same-window'. Right? Because > ideally code should not use 'switch-to-buffer' - we had quite a number > of reports that the point restoring mechanism conflicted with the > purpose to show a preselected buffer position in the selected window. Whereas I meant mostly switch-to-buffer as a command bound to 'C-x b', non-interactive calls of 'switch-to-buffer' have the same problem, and maybe some of them could be replaced with 'pop-to-buffer-same-window' without side effects. One example is 'C-h C-n' (view-emacs-news) that uses switch-to-buffer, and can't be forced into another window. I solved this general problem for myself with such advice: (advice-add 'switch-to-buffer :around (lambda (orig-fun &rest args) (let ((buffer (apply orig-fun args)) (window (selected-window))) (switch-to-prev-buffer window) (pop-to-buffer-same-window buffer)))) Then 'S-M-right C-h C-n' shows it in the right window. Do you think it's possible to add a corresponding customizable option that would provide the same behavior? >> I tried to set switch-to-buffer-in-dedicated-window to t instead of 'p= op'. > > I miss you here: Above you say that you want to display the buffer in > another window. But setting 'switch-to-buffer-in-dedicated-window' to > t is useful only when you insisit on using the selected window. I tried t mistakenly. I intended to try 'pop' that works ok. >> But I see now it's not worth the trouble to handle dedicatedness in >> 'windmove-display-in-direction' because it's not a general solution. > > Windows have been often made dedicated so they get auto-deleted as > soon as their buffer gets buried or killed. This use-case should now > be handled by the 'quit-restore' parameter. I have no idea whether > windows are made dedicated for any other reason. Do you? Another reason would be to force pop-up from switch-buffer, but it's not the right thing to do.