Can not change IME on Ubuntu 16.04

[volzhs]

Operating system or device - Godot version:
Ubuntu 16.04, master head (c93c2a6)

Issue description (what happened, and what was expected):
I got error when run editor or game.

Error setting locale modifiers

comes from https://github.com/godotengine/godot/blob/master/platform/x11/os_x11.cpp#L118-L121

[reduz]

I've seen this before, but don' t have the slightest clue why it happens
for some people

On Sun, Nov 13, 2016 at 11:44 AM, volzhs [email protected] wrote:

Operating system or device - Godot version:
Ubuntu 16.04, master head (c93c2a6
c93c2a6
)

Issue description (what happened, and what was expected):
I got error when run editor or game.

Error setting locale modifiers

comes from https://github.com/godotengine/godot/blob/master/
platform/x11/os_x11.cpp#L118-L121

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[volzhs]

I just read #5158, and I tried to run with sudo ./godot.tool.64.
I got no error, though can't change locale.

[bojidar-bg]

@volzhs What about running it with an absolute path to the binary?

[volzhs]

@bojidar-bg it's same. I have this problem with Krita(.appimage) too.
and blender(steam version) shows square.

[bojidar-bg]

@volzhs Hm, that's strange, I can't confirm it on my arch linux when running it from $PATH... Maybe some installation weirdness?

[volzhs]

maybe. I've tried several ways to configure IME, but not good so far. :(

[akien-mga]

As discussed on IRC with @hpvb, the issue might be due to some locales that do not allow not to have an input method defined, so our call to XSetLocaleModifiers ("@im=none"); fails. That would explain #5158 which we worked around by printing the error @volzhs mentioned above.
See https://www.x.org/archive/X11R6.8.0/doc/XSetLocaleModifiers.3.html for the X11 documentation about XSetLocaleModifiers.

So a potential solution would be to find the X11 calls that can list the valid im modifier values, and define the proper one instead of forcing none.

[Tugsav]

I seem to get this issue as well on Ubuntu 16.04. (godot 2.1.2-stable)
After some tinkering i have found that setting the XMODIFIERS environment var to an empty string using
export XMODIFIERS=""
in the terminal before starting godot solves it for me.

[akien-mga]

What's your usual XMODIFIERS env var when not overridden?

[Tugsav]

"@im"

[Tugsav]

[update]
It seems that XMODIFIERS can also be set to
"@im="
or any string of the form "@im=[something]" such as
"@im=ibus" or even "@im=blabla123"
and godot will not get the warning

[volzhs]

in my test, export XMODIFIERS="" or "@im=" makes no warning but still can't change IME on Ubuntu 16.04.1

[akien-mga]

I think having proper IME support will likely be way more complex than just fixing the parsing of XMODIFIERS. But that's a first step.

[volzhs]

it's fixed by 41029eb.
now I can type Korean in script editor. 👍

[volzhs]

I wish 2.1.x has this fix too. 😄