\o The widget that has focus is asked if it supports text search, you can provide that for widgets under your control.
\o \l{Find::IFindSupport}, \l{Find::BaseTextFind}
\row
\o Add a completely new project type.
\o
\o
\row
\o Add a new type of build step.
\o
\o
\row
\o Add a new filter to Locator.
\o For a text typed in by the user you provide a list of things to show in the popup. When the user selects an entry you are requested to do whatever you want.