[Bug 1844853] Re: IBus no longer works in Qt applications after upgrade

[Gunnar Hjalmarsson]

** Bug watch added: gitlab.gnome.org/GNOME/glib/issues #1831
   https://gitlab.gnome.org/GNOME/glib/issues/1831

** Also affects: glib via
   https://gitlab.gnome.org/GNOME/glib/issues/1831
   Importance: Unknown
       Status: Unknown

** Also affects: glib2.0 (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: glib2.0 (Ubuntu)
   Importance: Undecided => High

** Changed in: glib2.0 (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1844853

Title:
  IBus no longer works in Qt applications after upgrade

Status in GLib:
  Unknown
Status in ibus:
  Fix Released
Status in glib2.0 package in Ubuntu:
  Confirmed
Status in ibus package in Ubuntu:
  Fix Released
Status in ibus package in Debian:
  Confirmed

Bug description:
  Kubuntu Release 18.04.3 LTS

  Expected behavior:
  ibus continues working as before after applying security update 1.5.17-ubuntu5.1 from version 1.5.17-ubuntu5.

  Observed behavior:
  ibus is not usable anymore in Qt applications.

  After updating ibus and the related packages ibus-gtk, ibus-gtk3, libibus-1.0-5 and gir1.2-ibus-1.0 all from version 1.5.17-ubuntu5 to 1.5.17-ubuntu5.1, I can no longer use ibus in Qt applications. Using shift-space no longer changes the selected input method and even when i switch to the mozc input method in a gtk application, i can not use it in any Qt applications.
  When starting qtconfig in a terminal, I also get the following message:

  Bus::open: Connect ibus failed! 
  IBusInputContext::createInputContext: no connection to ibus-daemon

  This bug was not present in version 1.5.17-3ubuntu5 and I also
  confirmed that downgrading the packages to version 1.5.17-3ubuntu4
  restores ibus functionality in Qt applications.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ibus 1.5.17-3ubuntu5.1
  ProcVersionSignature: Ubuntu 5.0.0-30.32~18.04.1-generic 5.0.21
  Uname: Linux 5.0.0-30-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.9-0ubuntu7.7
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Sat Sep 21 07:58:56 2019
  InstallationDate: Installed on 2019-06-28 (84 days ago)
  InstallationMedia: Kubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
  SourcePackage: ibus
  UpgradeStatus: No upgrade log present (probably fresh install)

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