Rust TUI clips message instead of wrapping or providing horizontal scroll

Question

### What version of Codex is running?

_No response_

### Which model were you using?

_No response_

### What platform is your computer?

_No response_

### What steps can reproduce the bug?

Have a conversation in the Rust TUI that causes lines longer than the viewable width. The content is clipped and the only way to see it is to make your terminal window wider.

### What is the expected behavior?

Ideally, the content would wrap, but not in a way that breaks scrolling.

### What do you see i

bolinfest · Accepted Answer

Thinking about this more, I think the problem is mainly when `scroll_position` is `usize::MAX` (i.e., keep the scroll pinned to the bottom as new events come in). In that mode, we walk backwards from the end of the list of lines to compute the "visible lines":

https://github.com/openai/codex/blob/27198bfe11bd1f909c9ed0b17f923b04b53c2785/codex-rs/tui/src/conversation_history_widget.rs#L346-L354

Consider a scenario where:
* The conversation history was 100 lines
* The viewport was 10 lines
* Scr

Rust TUI clips message instead of wrapping or providing horizontal scroll

What version of Codex is running?

Which model were you using?

What platform is your computer?

What steps can reproduce the bug?

What is the expected behavior?

What do you see instead?

Additional information

2 Comments