package shared

import (
	"sync"

	"gioui.org/io/event"
)

type WindowState interface {
	Run(globalState *GlobalState, event event.Event) NewState
	Exit(globalState *GlobalState, wg *sync.WaitGroup)
}

type NewState struct {
	// If null, keep current state
	NextState WindowState
	Error     error
	ExitCode  error
}

func EmptyEvent() NewState {
	return NewState{}
}