Why does Ctrl-C not terminate the app when the form is used as as a BubbleTea model

[jbcpollak]

I was experimenting with the examples/scroll, and how it would behave with the alt screen renderer. I noticed if I replaced form.Run() with:

//form.Run()
p := tea.NewProgram(form, tea.WithAltScreen())
if _, err := p.Run(); err != nil {
	log.Fatal(err)
}

when I press Ctrl-C I get a blank screen, and when I switch to a different terminal, I see that ./scroll is still running. Killing it from the other terminal restores the terminal. I get the same result when I comment out the tea.WithAltScreen() but still use tea.NewProgram(), so it doesn't seem to be related to the rendering mode.

However, Ctrl-C works as expected and the app quits when I do the following (instead of the above):

form := huh.NewForm(
   // define form here
).WithHeight(5).WithProgramOptions(tea.WithAltScreen())
form.Run()

What is the difference between these two modes of execution?

[maaslalani]

Hi, this is intentional as when running the form in bubble tea you may not want to quit the app if the user presses ctrl+c, when running the form in stand alone mode however you would want to cancel the form. This is controlled here:

https://github.com/charmbracelet/huh/blob/main/form.go#L558-L561

[jbcpollak]

Hum, thanks!

That makes sense though I'd humbly suggest that could be better documented somewhere.