Is there any plan to add TreeView and ListView to egui?

[ssrlive]

I can't find the implements of TreeView or ListView in project. I hope egui contains there widgets. we know it's so impotant in Windows or other OSs.

[thmxv]

There is a TreeView demo, in the misc demos: https://github.com/emilk/egui/blob/master/crates/egui_demo_lib/src/demo/misc_demo_window.rs#L91

For a ListView, I think you just need to use a Layout.

[hydra]

this isn't a real tree, it's a set of nested CollapsingHeaders which doesn't draw lines to each individual node in the tree. each nested element only has a vertical line. there are no horizontal lines indicating element. there's also no navigation api for it.

[johnoneil]

Second the introduction of ListView. This seems like a big omission.

[oscargus]

Another benefit of a tree view is that one can then only draw the relevant (visible) information similar to show_rows for identically sized rows (which expandable labels are not, and also one will have to consider which are open or not), but taking the tree structure into account.