This is the fourth entry in A Field Guide to GTK Widgets — a series about which widget to reach for, when, and what bites you when you do. The previous post got a list on screen with a factory it deliberately didn't explain. This one explains it. The complete, runnable code lives in the companion repo . Where we left off The list-mindset post got a GtkListView on screen with just enough factory code to prove the model-driven approach worked, and it said so directly: s...