Replace `gtk_container_set_focus_chain ()`
This is the last bit of deprecated API we use. After asking around in #gtk, it seems there's no easy way to keep its functionality. The best bet would be to re-implement it within GColor3.
This is the last bit of deprecated API we use. After asking around in #gtk, it seems there's no easy way to keep its functionality. The best bet would be to re-implement it within GColor3.