How to stop automatic candidate insertion with ibus-table?

Socob

2/20/24, 5:23 AM

I’m using ibus-table (specifically, ibus-table-latex) and would like to disable the following behavior: When I start typing something that triggers ibus-table’s candidate list (e. g. any part of \rightarrow, such as \rightar), the candidate list opens and the best-matching candidate is already “pre-selected” for insertion. See the following screenshot:

My problem is that even when I press a key that’s not in the “valid input characters” list, such as % or !, this pre-selected top candidate is inserted instead of what I typed. So, for example, typing \rightarr! results in →!, but what I want is for the text to appear exactly as entered in this case.

I’ve tried a few different options:

I’ve noticed that pressing Enter does something similar to what I want (not sure where this comes from; it’s nowhere on the key bindings tab in the preferences): It preserves the text typed in so far and closes the candidate list. However, I don’t want to have to press a special key to do this.
The “commit to preedit” key binding (default: Shift) is somewhat similar, but instead of using the characters entered so far, it “auto-completes” the text for the current candidate, but without replacing it with the corresponding symbol. It doesn’t look like this could work for what I want.
The “cancel” key binding (default: Esc) doesn’t select the candidate, but gets rid of the entered text entirely, so that’s not helpful.
The “commit” key binding (default: Space) just uses the top candidate immediately.

Another potentially relevant thing I’ve found is the “Auto select” setting in the preferences:

However, this is set to “No”, so I don’t think this is causing my problem.

1 + 3

input-method

ibus

Gunnar Hjalmarsson

2/20/24, 11:03 AM

Please don't spam Ask Ubuntu with multiple questions on the same topic. You already submitted https://askubuntu.com/questions/1455600 . Instead of submitting a new question, you should have edited the other one.

Socob

2/21/24, 12:00 AM

@GunnarHjalmarsson Excuse me? These are completely separate questions. Are you saying that merely because I mentioned `ibus-table-latex` in both of them, that I should just put everything in one big question?

Gunnar Hjalmarsson

2/21/24, 12:26 AM

Maybe I didn't read carefully enough. My apologies. If I was you, I'd ask for documentation in an issue at github. I know the maintainer from other projects, and he is usually very helpful.

Score:0

Ubuntu

Socob

2/22/24, 12:52 AM

As suggested by Gunnar Hjalmarsson, I have opened an issue on GitHub to ask about this. It seems like this is (currently) not possible without modifying the code for ibus-table, but the necessary changes are minimal and can easily be done manually:

diff --git a/engine/table.py b/engine/table.py
index 6953e6f..4dcdc7a 100644
--- a/engine/table.py
+++ b/engine/table.py
@@ -4172,7 +4172,7 @@ class TabEngine(IBus.EngineSimple): # type: ignore
             if DEBUG_LEVEL > 0:
                 LOGGER.debug(
                     'trailing invalid input: keychar=%s', keychar)
-            if not self._candidates:
+            if not self._candidates or True:
                 self.commit_string(self.get_preedit_tabkeys_complete())
             else:
                 self.commit_to_preedit()

+ 0

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