Terminal UI library with rich, interactive widgets — written in Golang
You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
Go to file
Daniel P. Berrangé 0bca6dadb3 Fix inverted handling of KeyPgDn/KeyPgUp in List widget
Consider a list with 5 items, and the currentItem index is 2, and
all items fit on the screen without scrolling.

KeyPgDn will set currentItem to 7 which is out of bounds, and
gets wrapped around to 0.

KeyPgUp will set currentItem to -3 which is out of bounds, and
gets wrapped around to 4.

Thus PgDn selects the first item, while PgUp selects the last item,
which is the opposite of expected behaviour for these keys. Fix
this by clamping currentItem to the boundaries in the key handler.

Fixes: https://github.com/rivo/tview/issues/580
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
4 years ago
demos
CODE_OF_CONDUCT.md
CONTRIBUTING.md
LICENSE.txt
README.md
ansi.go
application.go
borders.go
box.go
button.go
checkbox.go
doc.go
dropdown.go
flex.go
form.go
frame.go
go.mod
go.sum
grid.go
inputfield.go
list.go
modal.go
pages.go
primitive.go
semigraphics.go
styles.go
table.go
textview.go
treeview.go
tview.gif
util.go

README.md

Rich Interactive Widgets for Terminal UIs

PkgGoDev Go Report

This Go package provides commonly needed components for terminal based user interfaces.

Screenshot

Among these components are:

  • Input forms (include input/password fields, drop-down selections, checkboxes, and buttons)
  • Navigable multi-color text views
  • Sophisticated navigable table views
  • Flexible tree views
  • Selectable lists
  • Grid, Flexbox and page layouts
  • Modal message windows
  • An application wrapper

They come with lots of customization options and can be easily extended to fit your needs.

Installation

go get github.com/rivo/tview

Hello World

This basic example creates a box titled "Hello, World!" and displays it in your terminal:

package main

import (
	"github.com/rivo/tview"
)

func main() {
	box := tview.NewBox().SetBorder(true).SetTitle("Hello, world!")
	if err := tview.NewApplication().SetRoot(box, true).Run(); err != nil {
		panic(err)
	}
}

Check out the GitHub Wiki for more examples along with screenshots. Or try the examples in the "demos" subdirectory.

For a presentation highlighting this package, compile and run the program found in the "demos/presentation" subdirectory.

Projects using tview

Documentation

Refer to https://pkg.go.dev/github.com/rivo/tview for the package's documentation. Also check out the Wiki.

Dependencies

This package is based on github.com/gdamore/tcell (and its dependencies) as well as on github.com/rivo/uniseg.

Versioning and Backwards-Compatibility

I try really hard to keep this project backwards compatible. Your software should not break when you upgrade tview. But this also means that some of its shortcomings that were present in the initial versions will remain. In addition, at least for the time being, you won't find any version tags in this repo. The newest version should be the one to upgrade to. It has all the bugfixes and latest features. Having said that, backwards compatibility may still break when:

  • a new version of an imported package (most likely tcell) changes in such a way that forces me to make changes in tview as well,
  • I fix something that I consider a bug, rather than a feature, something that does not work as originally intended,
  • I make changes to "internal" interfaces such as Primitive. You shouldn't need these interfaces unless you're writing your own primitives for tview. (Yes, I realize these are public interfaces. This has advantages as well as disadvantages. For the time being, it is what it is.)

Your Feedback

Add your issue here on GitHub. Feel free to get in touch if you have any questions.