From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.bugs Subject: bug#61307: 30.0.50; pixel-scroll-precision-mode: window-scroll-functions? Date: Thu, 16 Feb 2023 05:57:18 +0100 Message-ID: <877cwi1a35.fsf@web.de> References: <87y1pbsgu5.fsf@web.de> <83h6vzq9at.fsf@gnu.org> <878rhascr8.fsf@web.de> <83wn4ngjvp.fsf@gnu.org> <875yc6cnmk.fsf@web.de> <83mt5ifdhn.fsf@gnu.org> <87o7pyb556.fsf@web.de> <83k00lg1ve.fsf@gnu.org> <873579jaot.fsf@web.de> <83edqse6qr.fsf@gnu.org> <87sff7374b.fsf@web.de> <83y1ozawtu.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="5708"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: 61307@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Feb 16 05:58:17 2023 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pSWLY-0001Hk-LX for geb-bug-gnu-emacs@m.gmane-mx.org; 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Thu, 16 Feb 2023 05:57:24 +0100 In-Reply-To: <83y1ozawtu.fsf@gnu.org> (Eli Zaretskii's message of "Wed, 15 Feb 2023 15:21:17 +0200") X-Provags-ID: V03:K1:z17Pd8+fPTr5v8HDOwLAoJYu8MlpkMbUFTzVIMFzJAIobCSClTm Hu3HPV3ZAUpDfLh5WSECmaUkCYPHF2ZPwfKyy3JUeJfGckIEZy22V3j/IKdHwvwVWSDMI/9 u4d3+OsZUeP/qPgYTK+PXMwXKOpc4BUntkDiG7IvCP4czYFNTkPA2+/ou75J+QdYOLLTZYH N9E0ja1gb/RPq+/CMbOgw== UI-OutboundReport: notjunk:1;M01:P0:MVf5XQkMmW8=;4vcsLWpuKmvVdaQav/aKXwhiXNZ cgnMHkyd3U4ZuiblqIr6IjuiNG2A0I6h8mNGQYUu026wzXvgZY/5/6aF1MZnAl9vYIMqphIOo 0meJspLQnC3bILmTpwCR4Gy1NQNc0tNbava6D7a4yW81rgqELE9uYnAn17/QUnqQc1R5f+4r8 Wf38vz80HFX693JJpeGciu5G6o88CqRi+7qU2BYuQn/GiyueTE9dwDu5XHqUp8uuOOHVeUK87 cUj1ew2p4MA9bBYv7CvJc6pT4haY/uFcDY1Nh8Q6e8njcZWQ/R8AMBb66xbQFvetUoQIQHKPk /RjYiGfAjxZaMIbuZt5rAfs9LdsYjdVM1OCukh4EbSf1fUgcz6kd3hkdQ87OzW9UwjUAS9Xj5 U3YuBjZPzWco3heEklQjlGUFAiclgXFsl3EhJNZvRE+jfYEH/TqJ6tva344CwhQIjkqtLdN75 zNJq3s6nGco9KXiwsPzs1y4ihan5cWLPT4QmsI8kkJrxIhYbqdG/BT3ET1zmQNzPCO9ZIT3NZ yS1NIEBh6zp5Pe9xB37H9C4XjSocmbMMtgAUGGdsMwSRPOCJSWB0DOyo2V7rXBpE/GUzv7Yf8 n0T1okGxZxAD/BsoeVSGzqJIFT8c8BLqjbthD5QuWtQhzbMkvxgwuUTwS+gr6rP13+MlGRy3L /B57ub5elrJdQY8ant+/J3pHDN6yczWhh2/qIMAO7VSivh2TXXjjTc0RK7y/zka7AYlO70SWI tbwZ6ejFaX6TpL1/K9plPgdiiZTEQKoZeYDI6HJA8OJ8k5zk8LD5OAj5jqhNoouK2vIazk+e 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:255791 Archived-At: Eli Zaretskii writes: > > > Each time you do the smallest possible scroll, by how many pixels, or > > > by what fraction of the screen-line's height does Emacs scroll the > > > window? IOW, by how many pixels is the display scrolled for each call > > > to window-scroll-functions? > I hoped you will answer the specific questions I asked, quoted above. > But since you don't have a device to actually observe > pixel-scroll-precision-mode on your system, something I didn't know > until now, I guess you cannot answer them? (I also don't have access > to a suitable system, otherwise I wouldn't have bothered you with the > questions.) [ I'm sorry, I totally misunderstood your question as rhetorical, for me to think and understand ] I'm using a normal wheel mouse. I have nevertheless enabled `pixel-scroll-precision-mode' for two reasons: I want to have the animated "smooth scrolling" like known from browsers, which looks nicer and seems to be better for the eyes/ the brain. And I want to get a better scrolling experience for images (pdf, and such things). And the answer to your question is: I get a scroll amount of approximately 7 lines per or event. I configured pixel-scroll-precision-interpolation-factor to 1.5, the original value of 2.0 was a bit too large in my experience. > > But I understand that what I see when scrolling with a normal wheel > > mouse is only one case we need to handle. > Right. Though on such a system, we should probably call > window-scroll-functions every scroll. Is receiving and events a sufficient hint that the user is scrolling using a "normal" wheel mouse? Michael.