Can't scroll dialogs with mouse or mouse wheel, only with keyboard

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
35/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Stale
Tech stack
python
Domain
cli

Research direction

Start with a radiolist_dialog that exceeds the screen size and reproduce the issue with the mouse wheel and scrollbar, then compare those events with keyboard scrolling. Trace where the generated mouse events are handled or ignored. Done means the dialog contents scroll with the mouse wheel and scrollbar on the reported platforms.

Written by the indexing model from the issue text.

Description

Hi there!

When I create a radiolist_dialog that exceeds the screen size, I can scroll its contents using the Up, Down, Page Up, and Page Down keys. However, I am unable to scroll using the mouse wheel or by clicking the dialog's scroll bar.

During a quick debugging session, I noticed that rolling the mouse wheel generates the expected mouse events, but these events appear to be ignored.

Is this an intended behavior? Is it a (known) bug? Or is there a workaround (perhaps with a custom dialog)?

I tested this on Windows 11 (Python 3.11.1) and Ubuntu 22.04.5 (Python 3.10.12).

Dominant language
Python
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