输入法配置添加英语国际键盘
1.
sudo gedit /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/immodules.cache
2.
changing the line
"cedilla" "Cedilla" "gtk20" "/usr/share/locale" "az:ca:co:fr:gv:oc:pt:sq:tr:wa"
to
"cedilla" "Cedilla" "gtk20" "/usr/share/locale" "az:ca:co:fr:gv:oc:pt:sq:tr:wa:en"
3.
replacing "ć" to "ç" and "Ć" to "Ç" on /usr/share/X11/locale/en_US.UTF-8/Compose (if you use more locales, you may need to this replacement for all of them)
sudo cp /usr/share/X11/locale/en_US.UTF-8/Compose /usr/share/X11/locale/en_US.UTF-8/Compose.bak sed 's/ć/ç/g' < /usr/share/X11/locale/en_US.UTF-8/Compose | sed 's/Ć/Ç/g' > Compose sudo mv Compose /usr/share/X11/locale/en_US.UTF-8/Compose