event repeater and duplicator functions (46e39d82) · Commits · bsmrgo / splace-joysticks

joysticks.go

+30 −10

Original line number	Diff line number	Diff line
		@@ -3,6 +3,7 @@ package joysticks
		import (
		"math"
		"time"
		//"fmt"
		)

		// TODO drag event
		@@ -10,12 +11,11 @@ import (
		// TODO smoothed/hysteresis

		// TODO integrate event
		// TODO event repeater
		// TODO event duplicator
		// TODO repeat event dropper
		// TODO repeated event dropper

		var LongPressDelay = time.Second / 2
		var DoublePressDelay = time.Second / 10
		var DefaultRepeat = time.Second /4

		type hatAxis struct {
		number uint8
		@@ -72,13 +72,14 @@ type Event interface {
		}

		type when struct {
		time time.Duration
		Time time.Duration
		}

		func (b when) Moment() time.Duration {
		return b.time
		return b.Time
		}


		// button changed
		type ButtonEvent struct {
		when
		@@ -256,7 +257,7 @@ func Capture(registrees ...Channel) []chan Event {
		}

		// duplicate event onto two chan's
		func TeeEvents(c chan Event)(chan Event,chan Event){
		func Duplicator(c chan Event)(chan Event,chan Event){
		c1 := make(chan Event)
		c2 := make(chan Event)
		go func(){
		@@ -271,6 +272,29 @@ func TeeEvents(c chan Event)(chan Event,chan Event){
		}


		// regularly repeat a when event, on receiving any event on the first parameter chan, until any event on second chan parameter.
		// remembers interval, so can make different duration Repeaters by changing DefaultRepeat.
		func Repeater(c1,c2 chan Event)(chan Event){
		c := make(chan Event)
		interval:=DefaultRepeat
		go func(){
		var ticker *time.Ticker
		for {
		e:= <-c1
		go func(startTime time.Time){
		ticker=time.NewTicker(interval)
		for t:=range ticker.C{
		c <- when{e.Moment()+t.Sub(startTime)}
		}
		}(time.Now())
		<-c2
		ticker.Stop()
		}
		}()
		return c
		}



		// button changes event channel.
		func (d HID) OnButton(button uint8) chan Event {
		@@ -421,8 +445,4 @@ func (d HID) InsertSyntheticEvent(v int16, t uint8, i uint8) {
		}


		/* Hal3 Wed 26 Apr 19:04:12 BST 2017 go version go1.6.2 linux/amd64
		FAIL _/home/simon/Dropbox/github/working/joysticks [build failed]
		Wed 26 Apr 19:04:20 BST 2017
		*/

joysticks_test.go

+5 −5

Original line number	Diff line number	Diff line
		@@ -27,7 +27,9 @@ func TestHIDsAdvanced(t *testing.T) {
		b2 := js1.OnClose(2)
		b3 := js1.OnClose(3)
		b4 := js1.OnClose(4)
		b5 := js1.OnClose(5)
		DefaultRepeat=time.Second/10
		b5r := Repeater(js1.OnClose(5),js1.OnOpen(5))

		quit := js1.OnOpen(10)
		h3 := js1.OnMove(1)
		h4 := js1.OnPanX(2)
		@@ -49,10 +51,8 @@ func TestHIDsAdvanced(t *testing.T) {
		play(NewSound(NewTone(time.Second/250, 1), time.Second/3))
		case <-b4:
		play(NewSound(NewTone(time.Second/150, 1), time.Second/3))
		case <-b5:
		coord := make([]float32, 2)
		js1.HatCoords(1, coord)
		fmt.Println(coord)
		case <-b5r:
		go play(NewSound(NewTone(time.Second/440, 1), time.Second/20))
		case h := <-h3:
		fmt.Printf("hat 1 moved %+v\n", h)
		case h := <-h4: