tview/demos/presentation/center.go

package main

import "github.com/rivo/tview"

// Center returns a new primitive which shows the provided primitive in its
// center, given the provided primitive's size.
func Center(width, height int, p tview.Primitive) tview.Primitive {
	return tview.NewFlex().
		AddItem(nil, 0, 1, false).
		AddItem(tview.NewFlex().
			SetDirection(tview.FlexRow).
			AddItem(nil, 0, 1, false).
			AddItem(p, height, 1, true).
			AddItem(nil, 0, 1, false), width, 1, true).
		AddItem(nil, 0, 1, false)
}