[Bug 1791788] Re: Layout switch unwanted combination Rshift+Lshift

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: udev (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1791788

Title:
  Layout switch unwanted combination Rshift+Lshift

Status in udev package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu 18.04.1 LTS
  Linux version 4.15.0-33-generic

  WHAT I EXPECT TO HAPPEN:
  "R-Shift + L-Shift" hotkey combination doesn't change keyboard layout when not configured to do so.

  WHAT HAPPENS INSTEAD:
  "R-Shift + L-Shift" changes keyboard layout even when not configured to do so.

  ------------------------------------------------------------------------------

  My machine is set up to use "L-Alt + L-Shift" combination for
  switching keyboard layout between English and Russian. The command I
  use to configure this combination:

  gsettings set org.gnome.desktop.input-sources xkb-options
  "['grp:lalt_lshift_toggle']"

  With this setting Ubuntu also reacts to "R-Shift + L-Shift"
  combination and switches the layout as well. This is very irritating,
  since when typing the C code I often need to use macros like
  MY_MACRO_WITH_UNDERSCORE, where I naturally hit both shift keys when
  typing a capital letter after an underscore. The issue appears only
  when the R-Shift is hit before the L-Shift and not the other way
  around. The issue doesn't appear when I disable my switch combination
  with:

  gsettings set org.gnome.desktop.input-sources xkb-options "['']"

  I also disabled default Super+Space and Super+Shift+Space
  combinations, although that doesn't affect the issue. I didn't set any
  other keyboard combinations for switching layouts. The issue appears
  both in the terminal and in GUI applications.

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