88 lines
2.6 KiB
Go
88 lines
2.6 KiB
Go
// author: Jacky Boen
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package main
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import (
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"fmt"
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"github.com/veandco/go-sdl2/sdl"
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"os"
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)
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var winTitle string = "Go-SDL2 Events"
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var winWidth, winHeight int32 = 800, 600
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var joysticks [16]*sdl.Joystick
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func run() int {
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var window *sdl.Window
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var event sdl.Event
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var running bool
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var err error
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sdl.Init(sdl.INIT_EVERYTHING)
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defer sdl.Quit()
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window, err = sdl.CreateWindow(winTitle, sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED,
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winWidth, winHeight, sdl.WINDOW_SHOWN)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to create window: %s\n", err)
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return 1
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}
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defer window.Destroy()
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sdl.JoystickEventState(sdl.ENABLE)
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running = true
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for running {
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for event = sdl.PollEvent(); event != nil; event = sdl.PollEvent() {
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switch t := event.(type) {
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case *sdl.QuitEvent:
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running = false
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case *sdl.MouseMotionEvent:
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fmt.Printf("[%d ms] MouseMotion\ttype:%d\tid:%d\tx:%d\ty:%d\txrel:%d\tyrel:%d\n",
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t.Timestamp, t.Type, t.Which, t.X, t.Y, t.XRel, t.YRel)
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case *sdl.MouseButtonEvent:
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fmt.Printf("[%d ms] MouseButton\ttype:%d\tid:%d\tx:%d\ty:%d\tbutton:%d\tstate:%d\n",
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t.Timestamp, t.Type, t.Which, t.X, t.Y, t.Button, t.State)
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case *sdl.MouseWheelEvent:
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fmt.Printf("[%d ms] MouseWheel\ttype:%d\tid:%d\tx:%d\ty:%d\n",
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t.Timestamp, t.Type, t.Which, t.X, t.Y)
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case *sdl.KeyboardEvent:
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fmt.Printf("[%d ms] Keyboard\ttype:%d\tsym:%c\tmodifiers:%d\tstate:%d\trepeat:%d\n",
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t.Timestamp, t.Type, t.Keysym.Sym, t.Keysym.Mod, t.State, t.Repeat)
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case *sdl.JoyAxisEvent:
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fmt.Printf("[%d ms] JoyAxis\ttype:%d\twhich:%c\taxis:%d\tvalue:%d\n",
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t.Timestamp, t.Type, t.Which, t.Axis, t.Value)
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case *sdl.JoyBallEvent:
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fmt.Printf("[%d ms] JoyBall\ttype:%d\twhich:%d\tball:%d\txrel:%d\tyrel:%d\n",
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t.Timestamp, t.Type, t.Which, t.Ball, t.XRel, t.YRel)
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case *sdl.JoyButtonEvent:
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fmt.Printf("[%d ms] JoyButton\ttype:%d\twhich:%d\tbutton:%d\tstate:%d\n",
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t.Timestamp, t.Type, t.Which, t.Button, t.State)
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case *sdl.JoyHatEvent:
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fmt.Printf("[%d ms] JoyHat\ttype:%d\twhich:%d\that:%d\tvalue:%d\n",
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t.Timestamp, t.Type, t.Which, t.Hat, t.Value)
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case *sdl.JoyDeviceAddedEvent:
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joysticks[int(t.Which)] = sdl.JoystickOpen(t.Which)
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if joysticks[int(t.Which)] != nil {
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fmt.Printf("Joystick %d connected\n", t.Which)
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}
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case *sdl.JoyDeviceRemovedEvent:
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if joystick := joysticks[int(t.Which)]; joystick != nil {
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joystick.Close()
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}
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fmt.Printf("Joystick %d disconnected\n", t.Which)
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default:
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fmt.Printf("Some event\n")
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}
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}
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sdl.Delay(16)
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}
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return 0
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}
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func main() {
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os.Exit(run())
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}
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