bug#27508: 25.2; GTK3 scrollbar position does not respect scaling factor on HiDPI setting

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bug#27508: 25.2; GTK3 scrollbar position does not respect scaling factor on HiDPI setting

Johannes Lundberg

Please note that current configuration is built without toolkit scrollbars since Emacs is unusable with them for me.

The toolkit scrollbars appear at 2 times the x-position they should with gtk scaling factor=2 but at correct position with scaling factor=1, it is apparent that it is not taken into account properly when calculating the position.

Thanks!



In GNU Emacs 25.2.1 (amd64-portbld-freebsd12.0, GTK+ Version 3.22.15)
 of 2017-06-27 built on jd
Windowing system distributor 'The X.Org Foundation', version 11.0.11804000
Configured using:
 'configure --localstatedir=/var --with-gameuser=games:games
 --enable-acl --without-canna --with-dbus --with-gnutls --with-modules
 --with-x --with-xml2 --with-file-notification=kqueue --with-sound=oss
 --with-x-toolkit=gtk3 --without-cairo --with-gif --with-jpeg
 --with-imagemagick --with-png --with-rsvg --with-tiff --with-xpm
 --with-gconf --with-gsettings --with-m17n-flt --with-libotf
 --without-toolkit-scroll-bars --with-xft --with-xim --without-xwidgets
 --x-libraries=/usr/local/lib --x-includes=/usr/local/include
 --prefix=/usr/local --mandir=/usr/local/man --disable-silent-rules
 --infodir=/usr/local/share/emacs/info/
 --build=amd64-portbld-freebsd12.0 'CFLAGS=-O2 -pipe -fstack-protector
 -fno-strict-aliasing' CPPFLAGS= 'LDFLAGS= -fstack-protector''

Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND DBUS GCONF GSETTINGS NOTIFY
ACL GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB GTK3 X11 MODULES

Important settings:
  value of $LC_ALL: en_US.UTF-8
  value of $LC_CTYPE: en_US.UTF-8
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: C/l

Minor modes in effect:
  diff-auto-refine-mode: t
  global-company-mode: t
  company-mode: t
  global-flycheck-mode: t
  flycheck-mode: t
  autopair-global-mode: t
  autopair-mode: t
  e2wm:pst-minor-mode: t
  cscope-minor-mode: t
  projectile-mode: t
  global-auto-revert-mode: t
  global-hl-line-mode: t
  show-paren-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t
  abbrev-mode: t

Recent messages:
E2wm is started.
File mode specification error: (void-function column-enforce-mode)
File TAGS is large (217M), really open? (y or n) y
Mark set
Starting a new list of tags tables
Making tags-file-name local to TAGS while let-bound!
Mark set [3 times]
user-error: Minibuffer is inactive
Mark set
Undo!
user-error: No further undo information [3 times]

Load-path shadows:
/home/johannes/.emacs.d/elpa/seq-2.19/seq hides /usr/local/share/emacs/25.2/lisp/emacs-lisp/seq

Features:
(shadow sort mail-extr emacsbug message idna dired format-spec rfc822
mml mml-sec password-cache epg gnus-util mm-decode mm-bodies mm-encode
mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047
rfc2045 ietf-drums mm-util help-fns mail-prsvr mail-utils vc-git
diff-mode cc-mode cc-fonts cc-guess cc-menus cc-cmds cc-styles cc-align
cc-engine cc-vars cc-defs flycheck-rust company-oddmuse company-keywords
company-etags etags xref project eieio eieio-core company-gtags
company-dabbrev-code company-dabbrev company-files company-capf
company-cmake company-xcode company-clang company-semantic company-eclim
company-template company-css company-nxml company-bbdb company flycheck
json map find-func rx subr-x autopair multiple-cursors
mc-hide-unmatched-lines-mode mc-separate-operations
rectangular-region-mode mc-mark-pop mc-mark-more mc-cycle-cursors
mc-edit-lines multiple-cursors-core rect solarized-dark-theme solarized
color dash e2wm derived easy-mmode window-layout cl-macs imenu cl
smooth-scrolling xcscope projectile cl-seq advice grep compile comint
ansi-color ring ibuf-ext ibuffer thingatpt windmove finder-inf info
package epg-config seq byte-opt gv bytecomp byte-compile cl-extra
help-mode easymenu cconv edmacro kmacro redo+ autorevert filenotify
cl-loaddefs pcase cl-lib hl-line paren time-date mule-util tooltip eldoc
electric uniquify ediff-hook vc-hooks lisp-float-type mwheel x-win
term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe
tabulated-list newcomment elisp-mode lisp-mode prog-mode register page
menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock
syntax facemenu font-core frame cl-generic 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 charscript case-table epa-hook jka-cmpr-hook help
simple abbrev minibuffer cl-preloaded nadvice loaddefs button faces
cus-face macroexp files text-properties overlay sha1 md5 base64 format
env code-pages mule custom widget hashtable-print-readable backquote
dbusbind kqueue dynamic-setting system-font-setting font-render-setting
move-toolbar gtk x-toolkit x multi-tty make-network-process emacs)

Memory information:
((conses 16 277158 17357)
 (symbols 48 32617 0)
 (miscs 40 215 359)
 (strings 32 52370 7057)
 (string-bytes 1 1681900)
 (vectors 16 27014)
 (vector-slots 8 582567 4683)
 (floats 8 592 254)
 (intervals 56 2985 341)
 (buffers 976 27))

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bug#27508: 25.2; GTK3 scrollbar position does not respect scaling factor on HiDPI setting

Lars Ingebrigtsen
Johannes Lundberg <[hidden email]> writes:

> Please note that current configuration is built without toolkit scrollbars since Emacs is unusable with them for me.
>
> The toolkit scrollbars appear at 2 times the x-position they should with gtk scaling factor=2 but at correct position with scaling factor=1, it is apparent that it is
> not taken into account properly when calculating the position.

This should be fixed on the current Emacs master now -- at least I'm
unable to reproduce the bug any more.  Can you check whether this works
for you too now?  If it doesn't, please reopen this bug report.

--
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no



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