golang调用sdl2,键盘和鼠标事件

package main

import (
  "fmt"
  "github.com/moonfdd/sdl2-go/sdl"
  "github.com/moonfdd/sdl2-go/sdlcommon"
)

func main() {
  sdlcommon.SetSDL2Path("SDL2.dll")
  sdl.SDL_Init(sdl.SDL_INIT_VIDEO)
  window := sdl.SDL_CreateWindow("微信公众号：福大大架构师每日一题", sdl.SDL_WINDOWPOS_UNDEFINED, sdl.SDL_WINDOWPOS_UNDEFINED, 640, 480, sdl.SDL_WINDOW_OPENGL|sdl.SDL_WINDOW_RESIZABLE)
  if window == nil {
    fmt.Printf("Can't create window, err:%s", sdl.SDL_GetError())
    return
  }
  renderer := window.SDL_CreateRenderer(-1, 0)
  if renderer == nil {
    return
  }
  renderer.SDL_SetRenderDrawColor(255, 0, 0, 255)
  renderer.SDL_RenderClear()
  renderer.SDL_RenderPresent()
  var event sdl.SDL_Event
  for {
    event.SDL_WaitEvent()
    if event.Type == sdl.SDL_KEYDOWN {
      fmt.Println("键盘按下事件", event.ToSDL_KeyboardEvent().Keysym.Sym)
    } else if event.Type == sdl.SDL_MOUSEBUTTONDOWN {
      fmt.Println("鼠标按下事件")
    } else if event.Type == sdl.SDL_QUIT {
      fmt.Println("退出事件")
      break
    }
  }
  if renderer != nil {
    renderer.SDL_DestroyRenderer()
  }

  window.SDL_DestroyWindow()
  sdl.SDL_Quit()
}