From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#56561: 29.0.50; Infloop in try_window Date: Sat, 16 Jul 2022 19:07:26 +0800 Message-ID: <87lestiadt.fsf@yahoo.com> References: <874jzjwmhn.fsf@md5i.com> <83v8rzsdd1.fsf@gnu.org> <878rovxqjo.fsf@md5i.com> <83sfn2sy19.fsf@gnu.org> <83lesusl4w.fsf@gnu.org> <87lesumqgf.fsf@yahoo.com> <83ilnysbc5.fsf@gnu.org> <83fsj2s8fg.fsf@gnu.org> <83cze6s7xt.fsf@gnu.org> <83bktqs724.fsf@gnu.org> <878rotlpck.fsf@yahoo.com> <834jzhsj1a.fsf@gnu.org> <87v8rxk3eb.fsf@yahoo.com> <83zgh9r2he.fsf@gnu.org> <87lestk18e.fsf@yahoo.com> <83y1wtqzqp.fsf@gnu.org> <87edyljvfs.fsf@yahoo.com> <83tu7hqvq1.fsf@gnu.org> <877d4djqhi.fsf@yahoo.com> <83pmi5qq8c.fsf@gnu.org> Reply-To: Po Lu Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; 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Hermes SMTP Server) with ESMTPA ID cc030544f2093bf154136f24982c5626; Sat, 16 Jul 2022 11:07:31 +0000 (UTC) In-Reply-To: <83pmi5qq8c.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 16 Jul 2022 13:57:55 +0300") X-Mailer: WebService/1.1.20407 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo 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:237173 Archived-At: Eli Zaretskii writes: > That is true. Which part of detecting the above situation sounds > problematic to you? I'm asking because I'm uncertain what should I > explain in this regard. The problem is how to detect that the glyph matrix is indeed too small to fit all of the tooltip text, and not too small due to the bug being triggered? The size calculated later on is not useful: it is returned in pixels, and doesn't take into account any line wrapping (or other similar operations) try_window might perform.