Pixel scroll does not work on many platforms, such as Windows and Mac as they only expose device classes core-keyboard and core-pointer. Additionally, I have found that for Wayland under WSL on the emacs-29 branch, both the touchpad and the mouse are reported with device-class 'mouse on my Thinkpad laptop. The attached patch enables a user to specify arbitrary device classes that should cause interpolated scrolling so they can fix any issues. This enables a user to customize this to the behavior of their local machine. I am undecided if this should involve renaming the existing pixel-scroll-precision-interpolate-mice option or if it is important to stay backward compatible with customizations that changed that option from its default, t, to some other non-nil value. Please give feedback here. Otherwise, this is a straightforward change that I think would be good for the Emacs 29 branch so all platforms can get the smoothness of interpolated pixel scrolling. In GNU Emacs 29.1 (build 2, x86_64-pc-linux-gnu, GTK+ Version 3.24.37, cairo version 1.16.0) of 2023-09-11, modified by Debian built on melete System Description: Debian GNU/Linux 12 (bookworm) Configured using: 'configure --build x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib --libexecdir=/usr/libexec --localstatedir=/var/lib --infodir=/usr/share/info --mandir=/usr/share/man --with-libsystemd --with-pop=yes--enable-locallisppath=/etc/emacs:/usr/local/share/emacs/29.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/29.1/site-lisp:/usr/share/emacs/site-lisp
--with-sound=alsa --without-gconf --with-mailutils --with-native-compilation --build x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib --libexecdir=/usr/libexec --localstatedir=/var/lib --infodir=/usr/share/info --mandir=/usr/share/man --with-libsystemd --with-pop=yes--enable-locallisppath=/etc/emacs:/usr/local/share/emacs/29.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/29.1/site-lisp:/usr/share/emacs/site-lisp
--with-sound=alsa --without-gconf --with-mailutils --with-native-compilation --with-pgtk 'CFLAGS=-g -O2-ffile-prefix-map=/build/emacs-N816CI/emacs-29.1+1=. -fstack-protector-strong
-Wformat -Werror=format-security -Wall' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' LDFLAGS=-Wl,-z,relro' Configured features: ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 MODULES NATIVE_COMP NOTIFY INOTIFY PDUMPER PGTK PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS TREE_SITTER WEBP XIM GTK3 ZLIB Important settings: value of $LANG: en_US.UTF-8 locale-coding-system: utf-8-unix Major mode: Fundamental Minor modes in effect: global-window-tool-bar-mode: t pixel-scroll-precision-mode: t recentf-mode: t global-subword-mode: t global-form-feed-st-mode: t icomplete-mode: t fido-mode: t electric-pair-mode: t delete-selection-mode: t cua-mode: t bar-cursor-mode: t url-handler-mode: t global-eldoc-mode: t show-paren-mode: t electric-indent-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t context-menu-mode: t global-font-lock-mode: t blink-cursor-mode: t window-divider-mode: t buffer-read-only: t column-number-mode: t line-number-mode: t transient-mark-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t Load-path shadows: None found. Features: (shadow sort mail-extr cursor-sensor emacsbug finder-inf comp comp-cstr cl-extra help-mode markdown-mode rx color thingatpt noutline outline cus-edit pp cus-start cus-load window-tool-bar easy-mmode time-stamp tab-line pixel-scroll recentf tree-widget wid-edit cap-words superword subword form-feed-st icomplete elec-pair delsel cua-base bar-cursor ls-lisp advice log-edit message sendmail yank-media puny dired dired-loaddefs rfc822 mml mml-sec epa derived epg rfc6068 epg-config gnus-util time-date mm-decode mm-bodies mm-encode mail-parse rfc2231 rfc2047 rfc2045 mm-util ietf-drums mail-prsvr mailabbrev mail-utils gmm-utils mailheader pcvs-util add-log warnings icons compile text-property-search comint ansi-osc ansi-color ring init-dir bar-cursor-autoloads dired-icon-autoloads form-feed-st-autoloads init-dir-autoloads markdown-mode-autoloads modus-themes-autoloads package-lint-autoloads compat-autoloads info slime-autoloads window-tool-bar-autoloads package browse-url url url-proxy url-privacy url-expand url-methods url-history url-cookie generate-lisp-file url-domsuf url-util mailcap url-handlers url-parse auth-source cl-seq eieio eieio-core password-cache json map byte-opt bytecomp byte-compile url-vars modus-vivendi-theme modus-themes cl-macs pcase subr-x cl-loaddefs cl-lib gv rmc iso-transl tooltip cconv eldoc paren electric uniquify ediff-hook vc-hooks lisp-float-type elisp-mode mwheel term/pgtk-win pgtk-win term/common-win pgtk-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list replace newcomment text-mode lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow isearch easymenu timer select scroll-bar mouse jit-lock font-lock syntax font-core term/tty-colors frame minibuffer nadvice seq simple cl-generic indonesian philippine cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese composite emoji-zwj charscript charprop case-table epa-hook jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button loaddefs theme-loaddefs faces cus-face macroexp files window text-properties overlay sha1 md5 base64 format env code-pages mule custom widget keymap hashtable-print-readable backquote threads dbusbind inotify dynamic-setting system-font-setting font-render-setting cairo gtk pgtk lcms2 multi-tty make-network-process native-compile emacs) Memory information: ((conses 16 539696 29472) (symbols 48 22620 0) (strings 32 141326 2762) (string-bytes 1 3451370) (vectors 16 35478) (vector-slots 8 662830 21925) (floats 8 236 225) (intervals 56 505 10) (buffers 984 14))
0001-Allow-interpolation-with-arbitrary-device-classes.patch
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