GNU bug report logs - #22749
25.0.91; xwidget-webkit-scroll-down not working

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: felix.dick <at> web.de
To: bug-gnu-emacs <at> gnu.org
Subject: 25.0.91; xwidget-webkit-scroll-down not working
Date: Sat, 20 Feb 2016 13:06:58 +0000

In GNU Emacs 25.0.91.13 (x86_64-unknown-linux-gnu, GTK+ Version 3.18.7)
 of 2016-02-18 built on acer
Repository revision: 3722a694fa094f88f7dfe54ccce7ea7cbaab214a
Windowing system distributor 'The X.Org Foundation', version 11.0.11801000
Configured using:
 'configure --prefix=/usr --sysconfdir=/etc --libexecdir=/usr/lib
 --localstatedir=/var --mandir=/usr/share/man
 --pdfdir=/usr/share/doc/emacs/pdf --with-sound=alsa --without-gconf
 --with-x-toolkit=gtk3 --with-xft --with-xwidgets 'CFLAGS=-march=x86-64
 -mtune=generic -O2 -pipe -fstack-protector-strong'
 CPPFLAGS=-D_FORTIFY_SOURCE=2
 LDFLAGS=-Wl,-O1,--sort-common,--as-needed,-z,relro'

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

Important settings:
  value of $LANG: de_DE.utf8
  locale-coding-system: utf-8-unix

Major mode: Fundamental

Minor modes in effect:
  tooltip-mode: t
  global-eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  buffer-read-only: t
  line-number-mode: t
  transient-mark-mode: t

Recent messages:
previous-line: Beginning of buffer [15 times]
Undo! [4 times]
Making completion list...
Quit
Auto-saving...done
Undo! [2 times]
Redo! [4 times]
Undo! [6 times]
user-error: No further undo information [19 times]
next-line: End of buffer [16 times]
previous-line: Beginning of buffer [18 times]

Load-path shadows:
None found.

Features:
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env code-pages mule custom widget hashtable-print-readable backquote
dbusbind inotify dynamic-setting system-font-setting font-render-setting
xwidget-internal move-toolbar gtk x-toolkit x multi-tty
make-network-process emacs)

Memory information:
((conses 16 90927 14936)
 (symbols 48 19847 0)
 (miscs 40 88 146)
 (strings 32 14562 4565)
 (string-bytes 1 417218)
 (vectors 16 12418)
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 (buffers 976 14)
 (heap 1024 22424 1965))


with 'xwidget-webkit-scroll-behavior set to 'native',
xwidget-webkit-scroll-down gives the error message:

xwidget-webkit-scroll-down: Wrong type argument: wholenump, -50

Message #10 received at 22749 <at> debbugs.gnu.org (full text, mbox):

From: Christopher Cooper <christopher.c.cooper <at> gmail.com>
To: 22749 <at> debbugs.gnu.org
Subject: Patch to fix
Date: Wed, 9 Mar 2016 17:52:27 -0500

[Message part 1 (text/plain, inline)]

The problem was that 'xwidget-set-adjustment' in xwidget.c was checking
'value' using 'CHECK_NATNUM'. However, 'value' can be negative in the case
of relative scrolling. The solution is instead to use 'CHECK_NUMBER'. A
patch implementing this is attached.

Christopher Cooper

[Message part 2 (text/html, inline)]

[0001-Fix-Bug-22749.patch (text/x-patch, attachment)]

Message #13 received at 22749 <at> debbugs.gnu.org (full text, mbox):

From: Christopher Cooper <christopher.c.cooper <at> gmail.com>
To: 22749 <at> debbugs.gnu.org
Subject: Re: bug#22749: 25.0.91; xwidget-webkit-scroll-down not working
Date: Thu, 10 Mar 2016 16:03:02 -0500

[Message part 1 (text/plain, inline)]

The problem was that 'xwidget-set-adjustment' in xwidget.c was checking
'value' using 'CHECK_NATNUM'. However, 'value' can be negative in the case
of relative scrolling. The solution is instead to use 'CHECK_NUMBER'. A
patch implementing this is attached.

Christopher Cooper

[Message part 2 (text/html, inline)]

[0001-Fix-Bug-22749.patch (text/x-patch, attachment)]

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