package main

import termbox "github.com/nsf/termbox-go"

type Screen interface {
	handleKeyEvent(event termbox.Event) int
	performLayout()
	drawScreen(style Style)
}

func drawBackground(bg termbox.Attribute) {
	termbox.Clear(0, bg)
}

func layoutAndDrawScreen(screen Screen, style Style) {
	screen.performLayout()
	drawBackground(style.defaultBg)
	screen.drawScreen(style)
	termbox.Flush()
}