Change OnEnter to OnConfirm

Full remediation of #6

textinput.go

@@ -11,8 +11,8 @@ type TextInput struct {
 	tomo.TextBox
 	text []rune
 	on struct {
-		enter       event.FuncBroadcaster
 		valueChange event.FuncBroadcaster
+		confirm     event.FuncBroadcaster
 	}
 }
 
@@ -41,10 +41,10 @@ func (this *TextInput) Text () string {
 	return string(this.text)
 }
 
-// OnEnter specifies a function to be called when the user presses enter within
-// the text input.
-func (this *TextInput) 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 text input.
+func (this *TextInput) OnConfirm (callback func ()) event.Cookie {
+	return this.on.confirm.Connect(callback)
 }
 
 // OnValueChange specifies a function to be called when the user edits the input
@@ -65,7 +65,7 @@ func (this *TextInput) handleKeyDown (key input.Key, numpad bool) {
 
 	switch {
 	case key == input.KeyEnter:
-		this.on.enter.Broadcast()
+		this.on.confirm.Broadcast()
 	case key == input.KeyHome || (modifiers.Alt && key == input.KeyLeft):
 		dot.End = 0
 		if !sel { dot.Start = dot.End }