[Bug 1078701] [NEW] GVim and ibus integration raises dbus.exception.DBusException

[Michael Penkov]

Public bug reported:

I'm using ibus IME to input Japanese text into GVim. I have the
following Vim script that I source when GVim starts up:

autocmd InsertLeave * :call bug#onInsertLeave()
function! bug#onInsertLeave()
  python << EOT
import vim
import ibus
bus = ibus.Bus()
ic = ibus.InputContext(bus, bus.current_input_contxt())
ic.disable()
print "bug#onInsertLeave(): exiting"
EOT
endfunction

The line that constructs the InputContext raises the exception:

dbus.exception.DBusException: org.freedesktop.DBus.Error.Failed: no
focused input context

This happens under the following conditions:

1. I enter insert mode
2. I insert some Japanese text
3. I exit insert mode

If I don't enter any Japanese text through the IME, then the exception
is not raised.

I've also noticed that if I exit insert mode after entering some
Japanese text while the IME is still enabled, then IME input is disabled
(I can see the icon change in the taskbar). If I exit insert mode
without entering any Japanese text, but while the IME is still enabled,
then the IME stays enabled (the icon does not change). It seems like
GVim is disabling the IME (or the IME is switching off) in some
conditions. Could it be related to the exception?

My system info:

> misha at misha-lmd:~/git/iwait2013/lagos$ apt-cache policy ibus ibus:  
> Installed: 1.4.1-3ubuntu1   Candidate: 1.4.1-3ubuntu1   Version table:
> *** 1.4.1-3ubuntu1 0
>         500 http://jp.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages
>         100 /var/lib/dpkg/status misha at misha-lmd:~/git/iwait2013/lagos$ apt-cache policy vim vim:  
> Installed: 2:7.3.429-2ubuntu2.1   Candidate: 2:7.3.429-2ubuntu2.1  
> Version table:  *** 2:7.3.429-2ubuntu2.1 0
>         500 http://jp.archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages
>         100 /var/lib/dpkg/status
>      2:7.3.429-2ubuntu2 0
>         500 http://jp.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages

I've confirmed this behaviour on Fluxbox and Unity.

I've also tried asking on the forums, but nobody was able to answer:

http://askubuntu.com/questions/210567/vim-disables-ibus-ime-is-
this-a-bug

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: vim-gnome 2:7.3.429-2ubuntu2.1
ProcVersionSignature: Ubuntu 3.2.0-31.50-generic 3.2.28
Uname: Linux 3.2.0-31-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu14
Architecture: amd64
Date: Wed Nov 14 21:38:10 2012
ExecutablePath: /usr/bin/vim.gnome
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LANG=en_US.UTF-8
SourcePackage: vim
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: vim (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug precise

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https://bugs.launchpad.net/bugs/1078701

Title:
  GVim and ibus integration raises dbus.exception.DBusException

Status in “vim” package in Ubuntu:
  New

Bug description:
  I'm using ibus IME to input Japanese text into GVim. I have the
  following Vim script that I source when GVim starts up:

  autocmd InsertLeave * :call bug#onInsertLeave()
  function! bug#onInsertLeave()
    python << EOT
  import vim
  import ibus
  bus = ibus.Bus()
  ic = ibus.InputContext(bus, bus.current_input_contxt())
  ic.disable()
  print "bug#onInsertLeave(): exiting"
  EOT
  endfunction

  The line that constructs the InputContext raises the exception:

  dbus.exception.DBusException: org.freedesktop.DBus.Error.Failed: no
  focused input context

  This happens under the following conditions:

  1. I enter insert mode
  2. I insert some Japanese text
  3. I exit insert mode

  If I don't enter any Japanese text through the IME, then the exception
  is not raised.

  I've also noticed that if I exit insert mode after entering some
  Japanese text while the IME is still enabled, then IME input is
  disabled (I can see the icon change in the taskbar). If I exit insert
  mode without entering any Japanese text, but while the IME is still
  enabled, then the IME stays enabled (the icon does not change). It
  seems like GVim is disabling the IME (or the IME is switching off) in
  some conditions. Could it be related to the exception?

  My system info:

  > misha at misha-lmd:~/git/iwait2013/lagos$ apt-cache policy ibus ibus:  
  > Installed: 1.4.1-3ubuntu1   Candidate: 1.4.1-3ubuntu1   Version table:
  > *** 1.4.1-3ubuntu1 0
  >         500 http://jp.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages
  >         100 /var/lib/dpkg/status misha at misha-lmd:~/git/iwait2013/lagos$ apt-cache policy vim vim:  
  > Installed: 2:7.3.429-2ubuntu2.1   Candidate: 2:7.3.429-2ubuntu2.1  
  > Version table:  *** 2:7.3.429-2ubuntu2.1 0
  >         500 http://jp.archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages
  >         100 /var/lib/dpkg/status
  >      2:7.3.429-2ubuntu2 0
  >         500 http://jp.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages

  I've confirmed this behaviour on Fluxbox and Unity.

  I've also tried asking on the forums, but nobody was able to answer:

  http://askubuntu.com/questions/210567/vim-disables-ibus-ime-is-
  this-a-bug

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: vim-gnome 2:7.3.429-2ubuntu2.1
  ProcVersionSignature: Ubuntu 3.2.0-31.50-generic 3.2.28
  Uname: Linux 3.2.0-31-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu14
  Architecture: amd64
  Date: Wed Nov 14 21:38:10 2012
  ExecutablePath: /usr/bin/vim.gnome
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
  ProcEnviron:
   SHELL=/bin/bash
   PATH=(custom, user)
   LANG=en_US.UTF-8
  SourcePackage: vim
  UpgradeStatus: No upgrade log present (probably fresh install)

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