Created attachment 1819321 [details] Video showing the problem, neither forwarding a space nor returning it as False works. In the Search Entry in gtk4-demo sending a space with forward_key_event() produces the letter “n” instead of “ ”, sending the space key by returning False from do_process_key_event() puts the space *before* the committed string, i.e. typing "a " results in " a" when the space is send by returning False. [mfabian@fedora ~]$ rpm -qf /usr/bin/gtk4-demo gtk4-devel-4.4.0-1.fc35.x86_64 See attached video.
As I said before, currently ibus core calculates the keycodes from keysyms if engines forward keycode=0 and it's no longer handled in gtk4. The following change works fine with me. --- /usr/share/ibus-typing-booster/engine/hunspell_table.py.orig +++ /usr/share/ibus-typing-booster/engine/hunspell_table.py @@ -5267,7 +5267,7 @@ class TypingBoosterEngine(IBus.Engine): # https://bugzilla.redhat.com/show_bug.cgi?id=1291238 if self._qt_im_module_workaround: return self._return_false(key.val, key.code, key.state) - self.forward_key_event(key.val, key.code, key.state) + self.forward_key_event(key.val, 0, key.state) return True if key.unicode:
I mean ibus in Xorg. I don't discuss about the issue in mutter yet.
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