On 01/07/2017 04:44 PM, dlang user wrote:

Does GtkD offer any built in support for creating a custom completion
provider? Looking at the various classes, it looks like it might, but I
am having trouble figuring out what the process would be. I have done a
lot of googling and haven't come across any examples that help.

There isn't any build in support for implementing Gtk interfaces.
You would need to do something similar as how the treemodel was
implemented:
https://github.com/gtkd-developers/GtkD/blob/master/src/gtk/TreeModel.d