Minor infobar improvements

cmd/micro/display/infowindow.go

@@ -48,6 +48,35 @@ func NewInfoWindow(b *info.Bar) *InfoWindow {
 	return iw
 }
 
+// func (i *InfoWindow) YesNoPrompt() (bool, bool) {
+// 	for {
+// 		i.Clear()
+// 		i.Display()
+// 		screen.Screen.ShowCursor(utf8.RuneCountInString(i.Msg), i.y)
+// 		screen.Show()
+// 		event := <-events
+//
+// 		switch e := event.(type) {
+// 		case *tcell.EventKey:
+// 			switch e.Key() {
+// 			case tcell.KeyRune:
+// 				if e.Rune() == 'y' || e.Rune() == 'Y' {
+// 					i.HasPrompt = false
+// 					return true, false
+// 				} else if e.Rune() == 'n' || e.Rune() == 'N' {
+// 					i.HasPrompt = false
+// 					return false, false
+// 				}
+// 			case tcell.KeyCtrlC, tcell.KeyCtrlQ, tcell.KeyEscape:
+// 				i.Clear()
+// 				i.Reset()
+// 				i.HasPrompt = false
+// 				return false, true
+// 			}
+// 		}
+// 	}
+// }
+
 func (i *InfoWindow) Relocate() bool  { return false }
 func (i *InfoWindow) GetView() *View  { return i.View }
 func (i *InfoWindow) SetView(v *View) {}

cmd/micro/info/infobar.go

@@ -69,6 +69,11 @@ func (i *Bar) Error(msg ...interface{}) {
 }
 
 func (i *Bar) Prompt(msg string, callback func(string, bool)) {
+	// If we get another prompt mid-prompt we cancel the one getting overwritten
+	if i.HasPrompt {
+		i.DonePrompt(true)
+	}
+
 	i.Msg = msg
 	i.HasPrompt = true
 	i.HasMessage, i.HasError = false, false
@@ -82,4 +87,11 @@ func (i *Bar) DonePrompt(canceled bool) {
 	} else {
 		i.PromptCallback(strings.TrimSpace(string(i.LineBytes(0))), false)
 	}
+	i.Replace(i.Start(), i.End(), "")
+}
+
+// Reset resets the messenger's cursor, message and response
+func (i *Bar) Reset() {
+	i.Msg = ""
+	i.HasPrompt, i.HasMessage, i.HasError = false, false, false
 }