A collection of terminal-based widgets for richer Golang CLI apps.

Flinch

A collection of terminal-based widgets for richer Golang CLI apps.

Ships with a library to build your own widgets/TUIs too.

Warning: This module is experimental right now.

Input

name, _ := widgets.Input("Enter your name...")

Password Input

password, _ := widgets.PasswordInput("Enter your password...")

List Selection

_, item, err := widgets.ListSelect(
    "Select an environment...",
    []string{
        "Development",
        "Test",
        "Staging",
        "Production",
    },
)

Multi List Selection

_, items, err := widgets.MultiSelect(
    "Select an option...",
    options,
)

(scrollbars appear for long lists)

Confirmation

userConfirmed, _ := widgets.Confirm("Are you sure?")

Try It Out

You can play with the examples by running them directly, e.g.

go run ./_examples/multiselect-long/

Build Your Own Widgets

Check out the widgets package for inspiration.

Owner
Liam Galvin
Security Engineer @form3tech
Liam Galvin
https://github.com/liamg/flinch
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Comments
  • [bug] Confirm widget left/right keys handling

    [bug] Confirm widget left/right keys handling

    Hey @liamg! 👋 Hope everything is going great!

    Just noticed that, in the confirm window, pressing left/right keys will just update the buttons' display. But the actual selected component will still be the one picked upon first render.

    Reproducing it is straight forward. Just run https://github.com/liamg/flinch/blob/main/_examples/confirm/main.go press the right key (the "No" button will be apparently selected) and press Enter. Confirmed: true will be printed out.

    Cheers!

  • Fix right/left keys handling in confirm widget

    Fix right/left keys handling in confirm widget

    Quick (and dirty?) fix. Forward Select/Deselect calls to the buttons' parent component when handling right/left key press.

    Fixes https://github.com/liamg/flinch/issues/6

  • Allow changing default style

    Allow changing default style

    • Set to default style to inherit terminal settings but allow overwriting it with core.SetStyle(s core.Style)
    • Automatically calculate the fainted foreground colour instead of using a hardcoded value (when the fg colour is not inherited from the terminal)
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