My goal is to write behavior where a click on my special pick button will
1. Modify layer visibility
2. Run the normal pick tool
3. Do something with the picked color
I'm trying to do this as a Python plugin so I'm trying to implement this
using `gimpui.PickButton` and adding event callbacks for
You are really trying something very different than what the current
GIMP-Python integration is thought of to do:
You are using gobject introspection to call functions that up to now
have only been called from native-code
plug-ins (normally in C), and have no provision to be called from
Python or
