Change OnEnter to OnConfirm

Full remediation of #6

numberinput.go

@@ -15,8 +15,8 @@ type NumberInput struct {
 	increment *Button
 	decrement *Button
 	on struct {
-		enter       event.FuncBroadcaster
 		valueChange event.FuncBroadcaster
+		confirm     event.FuncBroadcaster
 	}
 }
 
@@ -43,7 +43,7 @@ func NewNumberInput (value float64) *NumberInput {
 	
 	box.OnScroll(box.handleScroll)
 	box.OnKeyDown(box.handleKeyDown)
-	box.input.OnEnter(box.handleEnter)
+	box.input.OnConfirm(box.handleConfirm)
 	box.input.OnValueChange(box.on.valueChange.Broadcast)
 	box.increment.OnClick(func () { box.shift(1)  })
 	box.decrement.OnClick(func () { box.shift(-1) })
@@ -67,10 +67,10 @@ func (this *NumberInput) OnValueChange (callback func ()) event.Cookie {
 	return this.on.valueChange.Connect(callback)
 }
 
-// OnEnter specifies a function to be called when the user presses enter within
-// the text input.
-func (this *NumberInput) OnEnter (callback func ()) event.Cookie {
-	return this.on.enter.Connect(callback)
+// OnConfirm specifies a function to be called when the user presses enter within
+// the number input.
+func (this *NumberInput) OnConfirm (callback func ()) event.Cookie {
+	return this.on.confirm.Connect(callback)
 }
 
 func (this *NumberInput) shift (by int) {
@@ -94,7 +94,7 @@ func (this *NumberInput) handleScroll (x, y float64) {
 	}
 }
 
-func (this *NumberInput) handleEnter () {
+func (this *NumberInput) handleConfirm () {
 	this.SetValue(this.Value())
-	this.on.enter.Broadcast()
+	this.on.confirm.Broadcast()
 }