From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: martin rudalics Newsgroups: gmane.emacs.bugs Subject: bug#25169: 26.0.50; display-buffer doesn't set window width correctly Date: Sun, 11 Dec 2016 17:19:47 +0100 Message-ID: <584D7CA3.5000409@gmx.at> References: <620bfbe6-9805-e1ea-a426-0ec0058fe5e8@gmail.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------060606040006010600010703" X-Trace: blaine.gmane.org 1481473284 20838 195.159.176.226 (11 Dec 2016 16:21:24 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sun, 11 Dec 2016 16:21:24 +0000 (UTC) To: Liu Hui , 25169@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Dec 11 17:21:17 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cG6sG-00045Y-SA for geb-bug-gnu-emacs@m.gmane.org; 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Sun, 11 Dec 2016 17:19:52 +0100 In-Reply-To: <620bfbe6-9805-e1ea-a426-0ec0058fe5e8@gmail.com> X-Provags-ID: V03:K0:N5kdZ7mVNI+0GePjIqtvVzcWz81fKeVDo+FH0pEbjI6XAtH0CV/ RMTKGUqOeKgGD1h1t5IPGmopFj/RGiwOODNAntWFF3rbYGTdAk/byolnnYOGNwDfAjyiNzK UUO4Qv0k0McM8VEYaPUQ4pSdmaeMKwD8W1ViBzJS4jdN/nRK0+hzBgbqIEGgrZ2vaarX8iv xj8YqVydCpuGc1yAkCX+w== X-UI-Out-Filterresults: notjunk:1;V01:K0:2RYxVUhG6eQ=:vr3GV1tfFaf+Wkg98Y36rp qeIJJta/FMXK6V42+JLGdam9m3KIXTJD/oy7AHEJnezizPBQCFw70LGUVin6yqZEM9rvFhDDd LXH81TPPE45XYo9Fi5g2ukn6NrEUXRzUGzezeGO0yzFCQ++HzT5ezPmkmWyWiRD/sAsqRm5F6 2Z4QgvTg64ERQYCvdjv7hJnfAG5n7XUQoa06AkesKNokmVw8W/Y7O6VcD00KbF7bBn+G+dwe2 1cpyopDZ0wfq5aPnm8+BL89IfuAzg+lA2s54s0Ay8R3eetSePnCO1R9Ep88hFeZd3G7MMv6lS 5G2suY3ETRP7rVfo8MR2ApvuiN4a+UOv9JgRmz2JGYMlXjRiSNFVJkDNWyhzMEoB9kA2532yd bP5jM5i5LupEI2ihnSNSXlAl/7vyLKAcubCMjjji7R9+J+BLb4zwf/uSoWMjaHlh2V5hHNhjE IK/MHa670+rhevikBOVMjr9M05UOrNHRYl3p2VzuE24TtJ9NTKpGDgM5ZC/eJPbcQMRBxsMfo oVHzOnFDJVU0+Zow1tjiwM8l8xwmVb6LA8warHsMxADblvOmHTVhCMvG1sZ0/lFZ9SdMFhSrz bKoQdzB3zQTf3c0qwFyNVmfogqZkH5V05tXuleHUnf5Yu6R0g5qQGIBawGOUtTkM0bWhoqYmx mQH4oeQX5fR6Vqd+YQkN2rNPjSI6PJyGZpXq6mK4jAkYuxnmRGJ2Nh+SVYeQUAluT/DPXhu7g DBGHllpvkqkdDLsUCPaGRMlWrL/iTacVoO0T9AxM6vf7prUBGpm7xZYGKku8QrcRJ/p/U/n4 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:126867 Archived-At: This is a multi-part message in MIME format. --------------060606040006010600010703 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable Thanks for the report. > Recipe 1: > > 1. Emacs -Q > 2. evaluate the following code in *scratch*: > > (display-buffer (get-buffer-create "aaa") > '(display-buffer-pop-up-window > (window-width . 20))) > ;; =3D> correct window width for buffer "aaa" > > (display-buffer (get-buffer-create "bbb") > '(display-buffer-pop-up-window > (window-width . 20))) > ;; =3D> changed and larger window width for buffer "bbb" Recipe 1 is difficult to reproduce here. I made my initial frame 169 columns wide to get a side-by-side split when displaying aaa and to _not_ get another side-by-side split when displaying bbb. What happens is that =E2=80=98display-buffer-pop-up-window=E2=80=99 refuses to make a = new window for bbb (you can reduce the value of =E2=80=98split-width-threshold=E2=80=99 = to get a split) so =E2=80=98display-buffer=E2=80=99 rather uses aaa's window to display b= bb via =E2=80=98display-buffer-use-some-window=E2=80=99. The latter ignores the= =E2=80=98window-width=E2=80=99 entry but applies =E2=80=98window--even-window-sizes=E2=80=99 instead. So this is not a bug but admittedly a very confusing sequence of events. > Recipe 2: > > 1. Emacs -Q > 2. evaluate the following code in *scratch*: > > (display-buffer (get-buffer-create "aaa") > '(display-buffer-in-side-window > (window-width . 20) > (side . right))) > ;; =3D> correct window width for buffer "aaa" > > (display-buffer (get-buffer-create "bbb") > '(display-buffer-in-side-window > (window-width . 20) > (side . left))) > ;; =3D> correct width for buffer "bbb", but the window width of > ;; buffer "aaa" is changed and becomes larger This is a bug and I attached a fix for it. Please try it. Note, however, that in general you can rely on Emacs to preserve the size of a window like that of aaa in recipe 2 if and only if you run =E2=80=98window-preserve-size=E2=80=99 on that window - either explicitly= or via a `preserve-size' argument. martin (BTW: Does the ibuffer scenario from bug#25115 work orderly now?) --------------060606040006010600010703 Content-Type: text/plain; charset=windows-1252; name="window.el.diff" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="window.el.diff" LS0tIGEvbGlzcC93aW5kb3cuZWwKKysrIGIvbGlzcC93aW5kb3cuZWwKQEAgLTI3OTcsNyAr Mjc5Nyw3IEBAIHdpbmRvdy1yZXNpemUKIAkJd2luZG93IGRlbHRhIGhvcml6b250YWwgaWdu b3JlIG5pbCBuaWwgbmlsIHQpKSkKICAgICAgICh3aW5kb3ctLXJlc2l6ZS1yZXNldCBmcmFt ZSBob3Jpem9udGFsKQogICAgICAgKHdpbmRvdy0tcmVzaXplLXRoaXMtd2luZG93IHdpbmRv dyBkZWx0YSBob3Jpem9udGFsIGlnbm9yZSB0KQotICAgICAgKGlmIChhbmQgKG5vdCB3aW5k b3ctY29tYmluYXRpb24tcmVzaXplKQorICAgICAgKGlmIChhbmQgKG5vdCAoZXEgd2luZG93 LWNvbWJpbmF0aW9uLXJlc2l6ZSB0KSkKIAkgICAgICAgKHdpbmRvdy1jb21iaW5lZC1wIHdp bmRvdyBob3Jpem9udGFsKQogCSAgICAgICAoc2V0cSBzaWJsaW5nIChvciAod2luZG93LXJp Z2h0IHdpbmRvdykgKHdpbmRvdy1sZWZ0IHdpbmRvdykpKQogCSAgICAgICAod2luZG93LXNp emFibGUtcApAQCAtNDA0OSw3ICs0MDQ5LDcgQEAgZGVsZXRlLXdpbmRvdwogCSAgICAgKHNp YmxpbmcgKG9yICh3aW5kb3ctbGVmdCB3aW5kb3cpICh3aW5kb3ctcmlnaHQgd2luZG93KSkp KQogCSh3aW5kb3ctLXJlc2l6ZS1yZXNldCBmcmFtZSBob3Jpem9udGFsKQogCShjb25kCi0J ICgoYW5kIChub3Qgd2luZG93LWNvbWJpbmF0aW9uLXJlc2l6ZSkKKwkgKChhbmQgKG5vdCAo ZXEgd2luZG93LWNvbWJpbmF0aW9uLXJlc2l6ZSB0KSkKIAkgICAgICAgc2libGluZyAod2lu ZG93LXNpemFibGUtcCBzaWJsaW5nIHNpemUgaG9yaXpvbnRhbCBuaWwgdCkpCiAJICA7OyBS ZXNpemUgV0lORE9XJ3Mgc2libGluZy4KIAkgICh3aW5kb3ctLXJlc2l6ZS10aGlzLXdpbmRv dyBzaWJsaW5nIHNpemUgaG9yaXpvbnRhbCBuaWwgdCkKCg== --------------060606040006010600010703--