main.go

// Copyright 2022 The golang.design Initiative Authors.
// All rights reserved. Use of this source code is governed
// by a MIT license that can be found in the LICENSE file.

package main

import (
	"log"

	"github.com/hajimehoshi/ebiten/v2"
	"golang.design/x/hotkey"
)

type Game struct{}

func (g *Game) Update() error {
	return nil
}

func (g *Game) Draw(screen *ebiten.Image) {
}

func (g *Game) Layout(outsideWidth, outsideHeight int) (screenWidth, screenHeight int) {
	return 320, 240
}

func main() {
	game := &Game{}
	ebiten.SetWindowSize(640, 480)
	ebiten.SetWindowTitle("Ebiten Game")
	go reghk()

	if err := ebiten.RunGame(game); err != nil {
		log.Fatal(err)
	}
}

func reghk() {
	// Register a desired hotkey.
	hk := hotkey.New([]hotkey.Modifier{hotkey.ModCtrl, hotkey.ModShift}, hotkey.KeyS)

	if err := hk.Register(); err != nil {
		log.Println("failed to register hotkey: %v", err)
		return
	}

	// Unregister the hotkey when keydown event is triggered
	<-hk.Keydown()
	log.Println("the registered hotkey is triggered.")

	hk.Unregister()
}