Ibus

ibus works in trinity, with these three changes

1.applications need this variable in their environment export XMODIFIERS=@im=ibus you can add it in ~/.bashrc or in the terminal just before launching the application

2. ibus in xim mode ibus-daemon --xim -d

3.embed the preedit text, otherwise it appears at the bottom left corner of the window. in ibus applet right click applet > preferences > embed preedit text in application window