[Bug 1714399] Re: shutdown options window does not have focus

[Simon Quigley]

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https://bugs.launchpad.net/bugs/1714399

Title:
  shutdown options window does not have focus

Status in ubuntu-mate:
  Invalid
Status in mate-session-manager package in Ubuntu:
  Fix Released
Status in mate-session-manager source package in Xenial:
  In Progress
Status in mate-session-manager source package in Zesty:
  In Progress
Status in mate-session-manager source package in Artful:
  In Progress
Status in mate-session-manager source package in Bionic:
  Fix Released

Bug description:
  [Impact]

  In MATE session, logout and shutdown dialogs sometimes don't get the
  focus, and it's impossible to switch to them with Alt-Tab due to their
  design. One has to use the mouse to switch there. Using Ctrl-Alt-Tab
  can help as well, but I found out it doesn't work reliably in
  VirtualBox.

  The fix for this issue is provided in the debdiffs attached to the
  report.

  Would be nice to have the fix backported to all current Ubuntu
  releases (Xenial, Zesty and Artful). The bug is very annoying for
  users who rely on keyboard shortcuts to navigate the desktop. It also
  can be considered a11y issue.

  [Test Case]

  There are several ways to reproduce this issue. For me the most
  reliable one is to use keyboard shortcut to call the shutdown dialog:

  - press Ctrl-Alt-Del, the shutdown dialog appears, and it's usually focused
  - press Esc to dismiss the dialog
  - press Ctrl-Alt-Del again, now the shutdown dialog will appear unfocused

  Now you need to use the mouse or Ctrl-Alt-Tab to interact with the
  dialog.

  [Regression Potential]

  The fix just ensures that logout/shutdown dialogs will be always
  focused when they appear on the screen. It means the dialog's behavior
  is restored to what users expect. Nothing else is affected, so no
  chance for regressions.

  [Original Description]

  Whether called by the power button (if configured as "Ask user") or by
  clicking Quit in the menu, the shutdown options window does not have
  the focus. It also does not appear in the windows when using alt-tab,
  making it virtually impossible to shutdown without using the
  mouse/touchpad.

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