// GetNextEvent returns the next sdl.Event depending on the eventMode func (g *GameManager) GetNextEvent() sdl.Event { switch g.eventMode { case GameManagerEventDriven: return sdl.WaitEvent() case GameManagerEventTimeoutDriven: return sdl.WaitEventTimeout(g.EventTimeout) case GameManagerPollDriven: return sdl.PollEvent() } panic(fmt.Sprintf("GetNextEvent: unknown event mode: %d", g.eventMode)) }
func main() { var window *sdl.Window var renderer *sdl.Renderer var event sdl.Event var running bool window = sdl.CreateWindow(winTitle, sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED, winWidth, winHeight, sdl.WINDOW_SHOWN) if window == nil { fmt.Fprintf(os.Stderr, "Failed to create window: %s\n", sdl.GetError()) os.Exit(1) } renderer = sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED) if renderer == nil { fmt.Fprintf(os.Stderr, "Failed to create renderer: %s\n", sdl.GetError()) os.Exit(2) } running = true for running { event = sdl.WaitEventTimeout(1000) // wait here until an event is in the event queue if event == nil { fmt.Println("WaitEventTimeout timed out") continue } switch t := event.(type) { case *sdl.QuitEvent: running = false case *sdl.MouseMotionEvent: fmt.Printf("[%d ms] MouseMotion\ttype:%d\tid:%d\tx:%d\ty:%d\txrel:%d\tyrel:%d\n", t.Timestamp, t.Type, t.Which, t.X, t.Y, t.XRel, t.YRel) case *sdl.MouseButtonEvent: fmt.Printf("[%d ms] MouseButton\ttype:%d\tid:%d\tx:%d\ty:%d\tbutton:%d\tstate:%d\n", t.Timestamp, t.Type, t.Which, t.X, t.Y, t.Button, t.State) case *sdl.MouseWheelEvent: fmt.Printf("[%d ms] MouseWheel\ttype:%d\tid:%d\tx:%d\ty:%d\n", t.Timestamp, t.Type, t.Which, t.X, t.Y) case *sdl.KeyUpEvent: fmt.Printf("[%d ms] Keyboard\ttype:%d\tsym:%c\tmodifiers:%d\tstate:%d\trepeat:%d\n", t.Timestamp, t.Type, t.Keysym.Sym, t.Keysym.Mod, t.State, t.Repeat) } } renderer.Destroy() window.Destroy() }