[BUG] ScrollView not scrolling down

[br0hgue]

Describe the bug
When using a mouse, the ScrollView does not scroll down, only up. When the mouse is scrolled down, nothing happens.
The scroll does work using the arrow keys.

To Reproduce
Run the scroll.rs example

Expected behavior
For the box to scroll down.

Environment

• Operating system used: macOS Monterey
• Backend used: ncurses
• Current locale: en_US.UTF-8
• Cursive version: 0.20.0 from crates.io

[gyscos]

Hi, and thanks for the report!

Indeed, it looks like the wheel down event is not properly parsed. Running the key_codes event shows it is parsed as middle button press/hold events. Will need to fix that in our ncurses backend wrapper.

In the meantime you can try a different backend like crossterm (disable the default features, then enable crossterm-backend).