I would start by reading the bindings from other languages. Use any existing tool that provides API information in a simple format or if it doesn't exist resort to c2nim and manually edit the output.
- Where to start with creating direct Qt bindings? matkuki
- Where to start with creating direct Qt bindings? Clonk
- Where to start with creating direct Qt bindings? matkuki
- Where to start with creating direct Qt bindings? Clonk
- Where to start with creating direct Qt bindings? planetis
- Where to start with creating direct Qt bind... elcritch
- Where to start with creating direct Qt ... matkuki
- Where to start with creating direct... grd
- Where to start with creating direct... jerous
- Where to start with creating direct... matkuki
- Where to start with creating direct... jerous
- Where to start with creating direct... grd
- Where to start with creating direct... matkuki
- Where to start with creating direct... grd
- Where to start with creating direct... grd
