[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Nikita Yerenkov-Scott]

Right, I have now filed a report here on this issue: Bug #1586164.

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Nikita Yerenkov-Scott]

Well, I just did a fresh install of Ubuntu GNOME 15.10, I planning to
upgrade to 16.04 soon through fresh install (probably) but I haven't
done so yet, though I can run a fresh install of 16.04 in a VM.

** Changed in: gnome-session (Ubuntu)
   Status: New => Fix Released

** Changed in: ubuntu-gnome
   Status: New => Fix Released

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Gunnar Hjalmarsson]

@Nikita: If you still have that issue, yes, it would be a new bug. Then
it would be great if you could start with a fresh installation of Ubuntu
GNOME 16.04, and explain step by step what you did.

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Nikita Yerenkov-Scott]

Because clearly there is something which is necessary for Anthy that the
langauge-selector-gnome installs that the in-built system doesn't for
some reason but should.

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Nikita Yerenkov-Scott]

Just to add, I have now tested it and if I install "Japanese" through
the language-selector-gnome and then remove that program (because it
doesn't work otherwise for some reason) I get the "Japanese (Anthy)"
input source, however if I add "Japanese" just through the normal means
(not the language-selector-gnome) then I do not get that input source
which is actually the only real one that properly provides Japanese so
that is bad. Should I file a new report on this issue?

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Gunnar Hjalmarsson]

Yep, my observation is identical with the description in that bug.

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Tim]

It was marked private, should be visible now

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Gunnar Hjalmarsson]

Bug 1556684 does not exist.

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Re: [Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Tim]

On 09/03/16 08:15, Gunnar Hjalmarsson wrote:
> * The failure (first time) to change the display language from Region &
> Language in Ubuntu GNOME. (Tim, if you can reproduce that problem,
> please feel free to subscribe me to a bug report. Considering that it
> worked after the language had been changed once using gnome-language-
> selector, the required change should reasonably not be very extensive.)
I am seeing this, but seems its only on some languages that it is failing

It looks like it might be related to Bug 1556684. I am getting similar logs, 
however I was able to get Japanese langpacks installed, just can't
set it.

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Launchpad Bug Tracker]

This bug was fixed in the package unity-control-center -
15.04.0+16.04.20160315-0ubuntu1

---
unity-control-center (15.04.0+16.04.20160315-0ubuntu1) xenial; urgency=medium

  [ Gunnar Hjalmarsson ]
  * Don't set XDG_CURRENT_DESKTOP if it already exists. (LP: #1551283)

  [ Luke Yelavich ]
  * Add switch to allow the toggling of the accessibility profiles
indicator

  [ Robert Ancell ]
  * Always show the legal notice.
  * Always use Ubuntu help (remove hangover from g-c-c days).
  * Always use a menubar.
  * Drop legacy g-c-c code for panel width.
  * Remove show notifications code, we don't do that in Unity.

 -- Dmitry Shachnev   Tue, 15 Mar 2016 20:34:43 +

** Changed in: unity-control-center (Ubuntu)
   Status: In Progress => Fix Released

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Gunnar Hjalmarsson]

On 2016-03-12 12:50, Nikita Yerenkov-Scott wrote:
> I think that the language-selector-gnome must have caused some
> confusion somewhere because I have run some more test in VMs where
> simply removing that (no need to remove im-config though) will make
> "Japanese (Anthy)" and a few others show.

Well, while *installing and opening* language-selector-gnome might mess
it up in 15.10, *removing* it can't possibly make a difference in this
respect.

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Nikita Yerenkov-Scott]

I think that the language-selector-gnome must have caused some confusion
somewhere because I have run some more test in VMs where simply removing
that (no need to remove im-config though) will make "Japanese (Anthy)"
and a few others show.

You're welcome, I don't think that there are any loose ends which you
haven't addressed. :)

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Gunnar Hjalmarsson]

I agree with Dmitry.

Actually, Nikita, it's still not clear to me *why* you didn't find
"Japanese (Anthy)" initially. Based on my own tests, the changes we have
now uploaded (or are about to upload) shouldn't make a difference in
that respect. I had no problem on a fresh Ubuntu GNOME 16.04 (before the
changes) to prepare for Japanese typing.

Anyway, since you filed this bug report, we identified and fixed a few
things which may prevent confusion going forward. The most important
thing, I think, is that im-config (and language-selector-gnome) no
longer will set fcitx by default for Ubuntu GNOME users who have a CJKV
language as display language.

Thanks for your help to identify the issues, Nikita. :) Please let us
know if you feel there is some loose end which we haven't addressed.

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Dmitry Shachnev]

I don't think it's worth it. 16.04 will be an LTS release and 15.10
support ends in summer so all 15.10 users are very much recommended to
upgrade to 16.04 anyway.

This needs fixes in some different places so it's not that easy to
backport it.

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Nikita Yerenkov-Scott]

As I haven't completely been following the discussion here please ignore
my ignorance on this matter if I have any, but will this be backported
into the previous version at least?

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Launchpad Bug Tracker]

This bug was fixed in the package language-selector - 0.159

---
language-selector (0.159) xenial; urgency=medium

  * LanguageSelector/ImConfig.py:
Make "auto" the system default for Ubuntu GNOME (LP: #1551283).
  * debian/control:
Bump version of the im-config dependency.
  * data/pkg_depends:
Pull IBus IM engines in Ubuntu GNOME (LP: #1551283).

 -- Gunnar Hjalmarsson   Thu, 10 Mar 2016 23:33:00
+0100

** Changed in: language-selector (Ubuntu)
   Status: Fix Committed => Fix Released

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Launchpad Bug Tracker]

This bug was fixed in the package im-config - 0.29-1ubuntu10

---
im-config (0.29-1ubuntu10) xenial; urgency=medium

  * debian/patches/01-ubuntu-locale-override.patch:
Exempt GNOME desktops from modifying auto mode for CJKV locales
(LP: #1551283).
  * debian/patches/02-ubuntu-system-default.patch:
Make "auto" the system default for Ubuntu GNOME (LP: #1551283).

 -- Gunnar Hjalmarsson   Tue, 08 Mar 2016 01:25:00
+0100

** Changed in: im-config (Ubuntu)
   Status: Fix Committed => Fix Released

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Dmitry Shachnev]

Ok, uploaded.

** Changed in: im-config (Ubuntu)
   Status: In Progress => Fix Committed

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Gunnar Hjalmarsson]

On 2016-03-11 17:42, Dmitry Shachnev wrote:
> Gunnar: if the im-config_ibus-on-gnome.patch you attached is
> uploaded and your unity-control-center branch is merged, all the
> issues will get resolved, right?

Yes, that's my understanding.

Robert is about to remove all the XDG_CURRENT_DESKTOP queries in u-c-c,
and if that's done, bug #1554878 will no longer apply to u-c-c.

> Do you want me to upload the patched im-config then?

Yes, that would be great.

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Dmitry Shachnev]

Gunnar: if the im-config_ibus-on-gnome.patch you attached is uploaded
and your unity-control-center branch is merged, all the issues will get
resolved, right? Do you want me to upload the patched im-config then?

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Gunnar Hjalmarsson]

There have been some discussions on IRC (#ubuntu-desktop) which have
clarified the confusion wrt unity-control-center and GNOME Flashback.
One part of the solution is that u-c-c should not overwrite an already
existing XDG_CURRENT_DESKTOP value, and I've filed a MP (linked above)
to fix that. Thanks Alkis for pointing at the right spot in the u-c-c
source!

The other part is that the u-c-c task at bug #1554878 needs to be fixed.

@Dmitry: The result of this is that we keep the current difference
between Unity and GNOME Flashback in this cycle, meaning that im-config
does not start IBus or set the input method related environment
variables by default on GNOME Flashback. This is to work around the
problem with Greek typing which Alkis has reported.

I have uploaded language-selector and attached an im-config patch.

** Patch added: "im-config_ibus-on-gnome.patch"
   
https://bugs.launchpad.net/ubuntu/+source/unity-control-center/+bug/1551283/+attachment/4595498/+files/im-config_ibus-on-gnome.patch

** Tags added: patch

** Changed in: language-selector (Ubuntu)
   Status: In Progress => Fix Committed

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Gunnar Hjalmarsson]

** Also affects: unity-control-center (Ubuntu)
   Importance: Undecided
   Status: New

** Changed in: unity-control-center (Ubuntu)
   Importance: Undecided => Medium

** Changed in: unity-control-center (Ubuntu)
   Status: New => In Progress

** Changed in: unity-control-center (Ubuntu)
 Assignee: (unassigned) => Gunnar Hjalmarsson (gunnarhj)

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Launchpad Bug Tracker]

** Branch linked: lp:~gunnarhj/unity-control-center/not-overwrite-
XDG_CURRENT_DESKTOP

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Tim]

yes I am sure there are plenty of broken checks throughout the stack, I
filed bug 1554878 to get those back into shape

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Dmitry Shachnev]

GNOME Flashback currently uses unity-control-center and unity-settings-
daemon, so the input handling is exactly like in Unity (gnome-
flashback's own input methods code is disabled).

When we switch XDG_CURRENT_DESKTOP from Unity to GNOME, at the same time
we'll start using our own code and gnome-control-center. I was basically
waiting for upstream to implement a StatusNotifier based tray because I
don't want to reintroduce the XEmbed tray. Hope it will happen next
cycle.

So if there is Unity in XDG_CURRENT_DESKTOP, one may expect that the
code behaves just like Unity (at least from input methods point of
view).

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Dmitry Shachnev]

Just to be more precise: XDG_CURRENT_DESKTOP will switch from "GNOME-
Flashback:Unity" to "GNOME-Flashback:GNOME". It is standardized that the
desktop name can have multiple components separated by semicolons, so
one must not use plain comparisons.

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Alkis Georgopoulos]

> ... I'll try to raise the issue in Debian's im-config, ... I will ask
that ibus isn't running in locales where it's not needed...

I installed Debian Stretch with the Gnome desktop environment and neither 
im-config nor ibus were installed by default there.
So I cannot report it in Debian, as it does make sense that if someone manually 
installs ibus, he'd want to have it running by default.

The problem is Ubuntu-specific, that people that don't need ibus have it
installed by default and running anyway.

Nevertheless, since ibus isn't running under gnome-flashback in non-cjkv 
locales, I'm not affected by that, so I can't complain.
Thanks again Gunnar, much appreciated! :)

About the "XDG_CURRENT_DESKTOP=Unity" part in gnome-flashback, it's caused by
unity-control-center/shell/control-center.c:
  g_setenv ("XDG_CURRENT_DESKTOP", "Unity", TRUE);

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Gunnar Hjalmarsson]

I did some testing with the latest packages in the PPA.

On Ubuntu GNOME it worked as expected. Whether the display language is
English or Japanese, im-config starts IBus and sets ibus in the
variables, and I can type Japanese. gnome-language-selector behaves in
consistency with im-config.

On GNOME Flashback im-config seems to work as expected. When the display
language is English, im-config does not start IBus or change any
variables. When I start gnome-language-selector from the terminal, it
behaves in consistency with im-config.

However...

When I start gnome-language-selector from System Settings in GNOME
Flashback, gnome-language-selector thinks that the applicable system
default is "auto". Hence it shows that IBus is the selected IM
framework, and creates a ~/.xinputrc file stating ibus. The reason
proved to be that while XDG_CURRENT_DESKTOP has the value "GNOME-
Flashback:Unity" in the terminal, XDG_CURRENT_DESKTOP has the value
"Unity" when gnome-language-selector is started from the graphical
environment. This undesired behavior is not due to the proposed changes
in language-selector, but it's apparently there also with the current
version.

My view right now is that at least these two issues should be further
dealt with in separate bug reports:

* The incorrect XDG_CURRENT_DESKTOP value in the graphical environment
of GNOME Flashback. (Dmitry?)

* The failure (first time) to change the display language from Region &
Language in Ubuntu GNOME. (Tim, if you can reproduce that problem,
please feel free to subscribe me to a bug report. Considering that it
worked after the language had been changed once using gnome-language-
selector, the required change should reasonably not be very extensive.)

Since those pending issues won't likely result in any further changes to
im-config or language-selector, personally I think the proposed packages
in the PPA should go to the xenial archive now. Let me know.

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Gunnar Hjalmarsson]

On 2016-03-08 08:34, Tim wrote:
> However not really sure if the Flashback stuff is correct (edubuntu 
> guys maintain that), but note on flashback is now using
> 
> XDG_CURRENT_DESKTOP=GNOME-Flashback:Unity

Understood.

> It is still using unity-settings-daemon/unity-control-center and 
> presumably language-selector-gnome, so I guess it just uses the same
>  config as Unity does? Now I wouldnt be surprised if there are 
> snippets of code all over the place that don't support the above 
> format, since they never broke on core ubuntu desktop.
> 
> Otherwise
> +if os.environ.get('XDG_CURRENT_DESKTOP')[-5:] in ['Unity',
> 'MATE', 'GNOME'] \
> +  or locale.getlocale(locale.LC_CTYPE)[0][:3] in ['zh_', 
> 'ja_', 'ko_', 'vi_']:
> 
> os.environ.get('XDG_CURRENT_DESKTOP').split(':')[-1]
> 
> Would seem a little safer with the know use-cases

Yeah, your code is better. At the same time I now realize that this
includes GNOME Flashback, which was not intended, so I just uploaded a
new language-selector version to the PPA.

> ++if [ "$XDG_CURRENT_DESKTOP" = 'Unity' -o "$XDG_CURRENT_DESKTOP" = 
> 'MATE' -o "${XDG_CURRENT_DESKTOP##*:}" = 'GNOME' ]; then
> 
> that won't match for Flashback (I don't know if its meant to 
> though?)

Right, it's deliberately.

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Title:
  ibus/im-config in Ubuntu GNOME

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Gunnar Hjalmarsson]

On 2016-03-08 08:25, Alkis Georgopoulos wrote:
> For the future, post 16.04, I'll try to raise the issue in Debian's
> im-config, so that there's no need to have an Ubuntu debdiff (or to
> minimize it).
> I.e. I will ask that ibus isn't running in locales where it's not
> needed, because:
> 1) It's causing issues (some of them will be solved in time)

They should better be solved.

It should also be mentioned that the input source switching GUIs in
Unity and GNOME, especially the latter, are designed so the user
shouldn't typically need to know about IBus or im-config. They should be
able to just pick a source and start typing.

> 2) It's wasting 20 MB of non-shared RAM (echo 3 >
> /proc/sys/vm/drop_caches; free; killall ibus-daemon; echo 3 >
> /proc/sys/vm/drop_caches; free), which is an issue in multi-user
> systems

Please note that the IBus processes are started in Unity and GNOME (not
sure about GNOME Flashback) anyway. What's affected by the im-config
configuration is the IM related environment variables.

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Tim]

Dmitry, any thoughts on what Flashback requires in terms of above?

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Tim]

I've still not tested, but those patches look mostly fine from GNOME
side.

However not really sure if the Flashback stuff is correct (edubuntu guys
maintain that), but note on flashback is now using

XDG_CURRENT_DESKTOP=GNOME-Flashback:Unity

It is still using unity-settings-daemon/unity-control-center and
presumably language-selector-gnome, so I guess it just uses the same
config as Unity does? Now I wouldnt be surprised if there are snippets
of code all over the place that don't support the above format, since
they never broke on core ubuntu desktop.


Otherwise
+if os.environ.get('XDG_CURRENT_DESKTOP')[-5:] in ['Unity', 'MATE', 
'GNOME'] \
+  or locale.getlocale(locale.LC_CTYPE)[0][:3] in ['zh_', 'ja_', 'ko_', 
'vi_']:

os.environ.get('XDG_CURRENT_DESKTOP').split(':')[-1]

Would seem a little safer with the know use-cases


++if [ "$XDG_CURRENT_DESKTOP" = 'Unity' -o "$XDG_CURRENT_DESKTOP" =
'MATE' -o "${XDG_CURRENT_DESKTOP##*:}" = 'GNOME' ]; then

that won't match for Flashback (I don't know if its meant to though?)

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Alkis Georgopoulos]

Thank you very much Gunnar, the latest PPA changes work as expected for me in 
gnome-flashback, i.e. ibus isn't running and I can type Greek just fine.
What you have in the PPA is a good compromise for 16.04, please keep it that 
way.

For the future, post 16.04, I'll try to raise the issue in Debian's im-config, 
so that there's no need to have an Ubuntu debdiff (or to minimize it).
I.e. I will ask that ibus isn't running in locales where it's not needed, 
because:
1) It's causing issues (some of them will be solved in time)
2) It's wasting 20 MB of non-shared RAM (echo 3 > /proc/sys/vm/drop_caches; 
free; killall ibus-daemon; echo 3 > /proc/sys/vm/drop_caches; free), which is 
an issue in multi-user systems like LTSP thin clients.

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Gunnar Hjalmarsson]

Considering Alkis' objections, and since it's late in the cycle, I
uploaded less aggressive changes to the PPA.

https://launchpad.net/~gunnarhj/+archive/ubuntu/im-config-gnome

The changes make im-config start ibus in Ubuntu GNOME including GNOME
Classic, and leave the im-config behavior unchanged for the other
desktops.

@Alkis: If I understand it correctly, the issue, which you reported in
bug #1481025, means that it's not possible in GNOME Flashback (and
possibly other desktops) to switch easily between Greek typing and e.g.
Chinese typing, while it works in e.g. Unity. That's obviously a bug in
GNOME Flashback. IMNSHO that bug should be fixed the right way ASAP, so
we can drop this workaround. GNOME Flashback screws currently up IBus in
other ways too, but it's being worked on:
https://bugzilla.gnome.org/759083

It should be possible to switch between any input sources without any
hassle.

Anyway, hopefully this latest proposal will make everyone reasonably
happy. :)

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Gunnar Hjalmarsson]

On 2016-03-07 11:54, Nikita Yerenkov-Scott wrote:
> @Gunnar, After purging 'im-config language-selector-gnome' and doing
> a reboot 'Japanese (Anthy)' now shows up and it works as it should!

Hmm.. After having tested it myself, I'm a little surprised that purging
those packages made a difference. Anyway, good that you finally made it
work.

> Oh, I have now also tested it in a VM, and just removing the 'language-
> selector-gnome' will do, no need to remove 'im-config' to get it to work
> so I'll reinstall that now...

At least when the changes to im-config and language-selector, which we
are now discussing in this bug report, have been uploaded, neither im-
config nor language-selector-gnome will be a problem (but the latter
should normally not be necessary in Ubuntu GNOME).

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Gunnar Hjalmarsson]

On 2016-03-07 20:36, Gunnar Hjalmarsson wrote:
> "${XDG_CURRENT_DESKTOP##*:}" != 'GNOME' and
"${XDG_CURRENT_DESKTOP%%:*}" != 'GNOME-Flashback'

Correction:

"${XDG_CURRENT_DESKTOP##*:}" != 'GNOME' -a "${XDG_CURRENT_DESKTOP%%:*}"
!= 'GNOME-Flashback'

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Gunnar Hjalmarsson]

On 2016-03-07 10:48, Tim wrote:
> 
>> Then I suppose that replacing
>> 
>> "$XDG_CURRENT_DESKTOP" != 'GNOME'
>> 
>> with
>> 
>> "${XDG_CURRENT_DESKTOP%%-*}" != 'GNOME'
>> 
>> takes care of it.
> 
> well that assumes that there is a hyphon in the name, while that is
> the case for the ones I know of, its not necessarily guaranteed.
> Thus:
> 
> "${XDG_CURRENT_DESKTOP##*:}" should be safer, GNOME (or Unity) should
> always be last since its essentially a fallback value

I proposed 'the hyphen way' to include GNOME Flashback. An alternative,
until it has been changed for Flashback, would be:

"${XDG_CURRENT_DESKTOP##*:}" != 'GNOME' and "${XDG_CURRENT_DESKTOP%%:*}"
!= 'GNOME-Flashback'

>> (I failed to change the display language with Region & Language,
>> and had to do it manually. However, using Region & Language for the
>> purpose worked after I had used gnome-language-selector to switch
>> language once, and thus created ~/.pam_environment and set the
>> "Language" and "FormatsLocale" values in
>> /var/lib/AccountsService/users/gunnar!? But that's a separate
>> issue.)
> 
> Does gnome-control-center need to create ~/.pam_environment?

No, that is done by accountsservice (the Ubuntu version of it). l-s
doesn't write to ~/.pam_environment directly - no reason why g-c-c would
either.

I haven't digged deep into the reason why it fails when there are no
user specific settings previously. But when I started g-c-c from command
line, I noticed an incorrect error message which said something like
"ja_JP.UTF-8 is not installed" ... Probably there is a subtle bug in the
current patch.

> It would be good to allow users the option of using fcitx (even if
> poorly integrated), however lets just get the default session working
> for now!

Right.

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Alkis Georgopoulos]

Hi Gunnar,

> May I ask: Which display language are you using? If it's something
else but Greek, can you please switch to Greek, log out, log in again,
and then try to type in Greek (with IBus running). Does that make a
difference?

I tested with display language = Greek. I haven't tested with display
language = English.

> Also, just to make sure: Is your Xenial updated with the latest
package versions?

Yes.

> Well, it started with bug #1550325, where it was reported that some
applications need IBus to work. Maybe that's true for other flavors but
MATE. Then there is the inconsistency in Ubuntu GNOME, which led to the
confusion resulting in this bug report.

>From what I read there, some people reported that xim doesn't work for them.
Noone reported that ibus or xim are useful for people that don't need any input 
method at all.

> Nah, I don't think IBus requires a lot of memory. Please note that
IBus is running in Unity and Ubuntu GNOME, whatever the settings are.
(Only some environment variables differ.) I don't know about Gnome
Flashback in this respect.

I did report that ibus breaks the first Greek accented character in Unity as 
well.
Many people don't have the knowledge to pinpoint that ibus is what breaks their 
keyboard input, and just live with their problems.


Gunnar,
1) Would you be willing to accept a patch that makes im-config default to None 
in all desktop environments, in locales that don't need ibus or xim?
2) If not, is it possible to make language-selector-gnome NOT depend on 
im-config?
Or ubuntu-desktop not depend on language-selector-gnome?
Now we can't even uninstall im-config without uninstalling ubuntu-desktop, so 
we will have to resort to dpkg-divert to bypass this current issue... i.e. that 
16.04 will be the first LTS release that we won't be able to properly type in 
Greek, in all desktop environments.

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Nikita Yerenkov-Scott]

Oh, I have now also tested it in a VM, and just removing the 'language-
selector-gnome' will do, no need to remove 'im-config' to get it to work
so I'll reinstall that now...

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Nikita Yerenkov-Scott]

Should I install im-config again as it is a default package?

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Nikita Yerenkov-Scott]

@Gunnar, After purging 'im-config language-selector-gnome' and doing a
reboot 'Japanese (Anthy)' now shows up and it works as it should!

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Re: [Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Tim]

Hey Gunnar,
  Thanks for looking further into this.
>> however I did notice your use of XDG_CURRENT_DESKTOP is not
>> consistent with the spec.
> Thanks for mentioning that. Then I suppose that replacing
>
> "$XDG_CURRENT_DESKTOP" != 'GNOME'
>
> with
>
> "${XDG_CURRENT_DESKTOP%%-*}" != 'GNOME'
>
> takes care of it.
well that assumes that there is a hyphon in the name, while that is the case 
for the ones I know of, its not necessarily guaranteed. Thus:

"${XDG_CURRENT_DESKTOP##*:}" should be safer, GNOME (or Unity) should always be 
last since its essentially a fallback value
>
> I have now installed Ubuntu GNOME and made some observations:
>
> On a fresh Ubuntu GNOME 16.04 install I added the Japanese language
> including the suggested language support. For me it pulled exactly the
> same packages as gnome-language-selector would have done, so there is no
> reason to install gnome-language-selector for that reason.
As expected, since we get the list of packages from language-selector-common 
using PackageKit
>
> After having logged out and logged in again, I found "Japanese (Mozc)"
> among the input sources and added it. Then I could open gedit, select
> "Japanese (Mozc)" and type beautiful characters: 絵画井笥 :) (Mozc is pulled
> in 16.04; previously it was Anthy. But I installed ibus-anthy manually,
> and could type Japanese with Anthy too.)
>
> Then I changed the display language to Japanese, and now it was broken.
> Some of the IM related environment variables had been set to fcitx (even
> if XMODIFIERS and QT_IM_MODULE had been set to ibus by gnome-session)
> and fcitx had been started by im-config. After having commented the
> setting of the IM_CONFIG_PREFERRED_RULE variable in /etc/default/im-
> config, I could type using IBus also with Japanese as the display
> language.
>
> (I failed to change the display language with Region & Language, and had
> to do it manually. However, using Region & Language for the purpose
> worked after I had used gnome-language-selector to switch language once,
> and thus created ~/.pam_environment and set the "Language" and
> "FormatsLocale" values in /var/lib/AccountsService/users/gunnar!? But
> that's a separate issue.)
Does gnome-control-center need to create ~/.pam_environment? I didn't think 
that is used upstream, but specific to Ubuntu patched
accountsservice so maybe we will have to patch it for that?
>
> So one conclusion is that im-config should indeed not set
> IM_CONFIG_PREFERRED_RULE on Ubuntu GNOME.
This makes sense
> It's also clear that if users shall have a chance to use fcitx, gnome-
> session must not set those variables. (But this is probably not the most
> urgent thing right now.)
It would be good to allow users the option of using fcitx (even if poorly 
integrated), however lets just get the default session working for now!
>
> I played with user specific im-config settings using the "Input Method"
> GUI. IBus typing seems to work with any of the values "none", "xim" and
> "ibus", since two of the IM related environment variables are set by
> gnome-session anyway. Can't help feeling that "ibus" (i.e. in accordance
> with the current proposal in the PPA) is the safest and most sensible
> choice, though.
"ibus" seems most sensible to me also.
>

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Gunnar Hjalmarsson]

On 2016-03-07 02:04, Tim wrote:
> however I did notice your use of XDG_CURRENT_DESKTOP is not
> consistent with the spec.

Thanks for mentioning that. Then I suppose that replacing

"$XDG_CURRENT_DESKTOP" != 'GNOME'

with

"${XDG_CURRENT_DESKTOP%%-*}" != 'GNOME'

takes care of it.

I have now installed Ubuntu GNOME and made some observations:

On a fresh Ubuntu GNOME 16.04 install I added the Japanese language
including the suggested language support. For me it pulled exactly the
same packages as gnome-language-selector would have done, so there is no
reason to install gnome-language-selector for that reason.

After having logged out and logged in again, I found "Japanese (Mozc)"
among the input sources and added it. Then I could open gedit, select
"Japanese (Mozc)" and type beautiful characters: 絵画井笥 :) (Mozc is pulled
in 16.04; previously it was Anthy. But I installed ibus-anthy manually,
and could type Japanese with Anthy too.)

Then I changed the display language to Japanese, and now it was broken.
Some of the IM related environment variables had been set to fcitx (even
if XMODIFIERS and QT_IM_MODULE had been set to ibus by gnome-session)
and fcitx had been started by im-config. After having commented the
setting of the IM_CONFIG_PREFERRED_RULE variable in /etc/default/im-
config, I could type using IBus also with Japanese as the display
language.

(I failed to change the display language with Region & Language, and had
to do it manually. However, using Region & Language for the purpose
worked after I had used gnome-language-selector to switch language once,
and thus created ~/.pam_environment and set the "Language" and
"FormatsLocale" values in /var/lib/AccountsService/users/gunnar!? But
that's a separate issue.)

So one conclusion is that im-config should indeed not set
IM_CONFIG_PREFERRED_RULE on Ubuntu GNOME.

It's also clear that if users shall have a chance to use fcitx, gnome-
session must not set those variables. (But this is probably not the most
urgent thing right now.)

I played with user specific im-config settings using the "Input Method"
GUI. IBus typing seems to work with any of the values "none", "xim" and
"ibus", since two of the IM related environment variables are set by
gnome-session anyway. Can't help feeling that "ibus" (i.e. in accordance
with the current proposal in the PPA) is the safest and most sensible
choice, though.

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Tim]

thanks Gunnar, I will try and test this soon.

however I did notice your use of XDG_CURRENT_DESKTOP is not consistent
with the spec. It changed when it became an official spec, which allows
specifying multiple values colon seperated

gnome-shell  XDG_CURRENT_DESKTOP  set as GNOME
gnome-shell classic mode is set as "GNOME-Classic:GNOME"
gnome flashback,was setting as Unity, but at some point will likely become 
"GNOME-Flashback:GNOME"

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Gunnar Hjalmarsson]

On 2016-03-06 21:43, Nikita Yerenkov-Scott wrote:
> @Gunnar, The output of that command is:
> 
>  1714 tty7 00:00:00 ibus-daemon
>  1720 tty7 00:00:00 ibus-dconf
>  1722 tty7 00:00:00 ibus-x11
>  1811 tty7 00:00:00 ibus-engine-sim
>  1925 ?00:00:28 ibus-daemon
>  1958 ?00:00:00 ibus-dconf
>  1961 ?00:00:00 ibus-ui-gtk3
>  1967 ?00:00:00 ibus-x11
>  1975 ?00:00:07 ibus-engine-sim
>  2291 ?00:00:00 ibus-engine-han

So there are two instances of ibus-daemon and a couple of other
processes, probably because ibus was started both by some gnome package
and im-config. Wonder if that might explain why it doesn't work for you.

It would be great if you could help debugging this by uninstalling im-
config:

sudo apt-get purge im-config language-selector-gnome

and then reboot and see if Japanese (Anthy) is available after that.

> Also, perhaps you should at least install Ubuntu GNOME in a VM or
> something for this because we know that it works in Unity, so if this is
> just a bug in Ubuntu GNOME, it's not exactly going to be very helpful if
> you are testing things in Unity...

Well, I'm not an Ubuntu GNOME guy - I try to help because Tim asked me.
;) But I may install Ubuntu GNOME later on.

> Also, do you think that the bug description should be changed too now

I'd suggest we leave it as is for now.

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Nikita Yerenkov-Scott]

Also, do you think that the bug description should be changed too now or
can that be left to reflect the original topic of discussion (with
perhaps a note at the bottom to say that the discussion has become more
general now)?

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  ibus/im-config in Ubuntu GNOME

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[Bug 1551283] Re: ibus/im-config in Ubuntu GNOME

[Nikita Yerenkov-Scott]

@Gunnar, The output of that command is:

 1714 tty7 00:00:00 ibus-daemon
 1720 tty7 00:00:00 ibus-dconf
 1722 tty7 00:00:00 ibus-x11
 1811 tty7 00:00:00 ibus-engine-sim
 1925 ?00:00:28 ibus-daemon
 1958 ?00:00:00 ibus-dconf
 1961 ?00:00:00 ibus-ui-gtk3
 1967 ?00:00:00 ibus-x11
 1975 ?00:00:07 ibus-engine-sim
 2291 ?00:00:00 ibus-engine-han

Also, perhaps you should at least install Ubuntu GNOME in a VM or
something for this because we know that it works in Unity, so if this is
just a bug in Ubuntu GNOME, it's not exactly going to be very helpful if
you are testing things in Unity...

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Title:
  ibus/im-config in Ubuntu GNOME

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