Increase dialogue modality, display keyboard dialogue

internal/flow/drivers.go

@@ -38,6 +38,20 @@ var (
 	}
 )
 
+func (f *Flow) returnToLastDriver(from driverName) func() {
+	return func() {
+		to, ok := f.returns[from]
+		if !ok {
+			f.exit = fmt.Errorf("Couldn't work out where to return to from %v", from)
+			return
+		}
+
+		delete(f.returns, from)
+
+		f.setDriverNow(to)
+	}
+}
+
 // from is the child menu, to is the parent
 func (f *Flow) returnToLastDriverNow(from driverName) error {
 	to, ok := f.returns[from]