Shift+Scroll to scroll horizontally is still missing. This might seem
like a small feature to have, but it actually has profound impact.

First of all, I belive the majority of mice still only have a vertical
scroll wheel. At our university, every mouse falls into that category.

However, the major problem is providing a consistent interaction with
horizontally scrolling containers across platforms/browsers. If one has
to rely on a vertical scroll wheel, the approach would be listening for
the `wheel` event and use `event.deltaY` for setting `scrollLeft` when
`event.shiftKey === true`. Now this won’t lead to pleasent results right
away since these deltas yield vastly different values across
devices/browsers. Is it a trackpad? Does it fire the event very often?
Is the delta very big or very small? Is the inertial scrolling behavior?
In short, re-implementing scrolling behavior is very hard.

Turning a scroll wheel once results in roughly the same scrolling
distance when comparing Chrome and Firefox. However the events’ delta
values are different.

What does this have to do with this issue? Since there is no
Shift+Scroll for horizontal scrolling, providing users with a way to do
so also requires to re-implemented scrolling.

Users need a way of interacting with horizontally overflowing elements
by scrolling natively.

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to firefox in Ubuntu.
https://bugs.launchpad.net/bugs/1228250

Title:
  [Shift + Mouse-Scroll-Wheel] Does NOT Scroll Horizontally

Status in Mozilla Firefox:
  Fix Released
Status in firefox package in Ubuntu:
  Fix Released

Bug description:
  In Chromium, I can scroll horizontally using my mouse-wheel by holding
  down the shift key while scrolling the mouse wheel.

  Firefox is missing this very convenient page-navigation short-cut.

  
  Use Case:

  As my eyes age, I find myself always scaling up the web pages I read
  (by holding down crtl and scrolling my mouse wheel).

  Doing this, often makes the page exceed the width of my monitor
  (hiding the right-side of the text I want to read) and produces a
  horizontal scroll bar at the bottom of the page.

  At this point, since I've already used ctrl-scroll-mouse-wheel to
  magnify the page, it would be wonderful if I could use shift-scroll-
  mouse-wheel to horizontally-scroll the magnified page and therefore
  center the (previously cropped) text that I am wanting to read.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: firefox 24.0+build1-0ubuntu0.13.04.1
  ProcVersionSignature: Ubuntu 3.8.0-30.44-generic 3.8.13.6
  Uname: Linux 3.8.0-30-generic x86_64
  NonfreeKernelModules: wl
  AddonCompatCheckDisabled: False
  ApportVersion: 2.9.2-0ubuntu8.3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  lonnie     2161 F.... pulseaudio
   /dev/snd/pcmC0D0p:   lonnie     2161 F...m pulseaudio
  BrokenPermissions: sessionstore.bak (0o600, wrong owner)
  BuildID: 20130911155223
  Channel: Unavailable
  Date: Fri Sep 20 11:02:07 2013
  ForcedLayersAccel: False
  IfupdownConfig:
   # interfaces(5) file used by ifup(8) and ifdown(8)
   auto lo
   iface lo inet loopback
  InstallationDate: Installed on 2013-09-06 (14 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  IpRoute:
   default via 192.168.24.1 dev eth0  proto static 
   192.168.24.0/24 dev eth0  proto kernel  scope link  src 192.168.24.198  
metric 1
  MarkForUpload: True
  PrefSources:
   prefs.js
   
[Profile]/extensions/{b9db16a4-6edc-47ec-a1f4-b86292ed211d}/defaults/preferences/prefs-dwhelper.js
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  Profiles: Profile0 (Default) - LastVersion=24.0/20130911155223 (In use)
  RelatedPackageVersions:
   google-talkplugin 4.5.3.0-1
   icedtea-7-plugin  1.3.2-1ubuntu1.1
   totem-mozilla     3.6.3-0ubuntu6
   rhythmbox-mozilla 2.98-0ubuntu5
  RunningIncompatibleAddons: False
  SourcePackage: firefox
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/14/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A09
  dmi.board.name: 0P792H
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A09
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A09
  dmi.modalias: 
dmi:bvnDellInc.:bvrA09:bd04/14/2011:svnDellInc.:pnStudio1737:pvrA09:rvnDellInc.:rn0P792H:rvrA09:cvnDellInc.:ct8:cvrA09:
  dmi.product.name: Studio 1737
  dmi.product.version: A09
  dmi.sys.vendor: Dell Inc.

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