More work for MainGame.mnu

internal/flow/flow.go

@@ -241,9 +241,37 @@ func (f *Flow) playNextScenario(from driverName) func() {
 	}
 }
 
+func (f *Flow) setActive(driver driverName, id string, value bool) func() {
+	return func() {
+		if f.exit != nil {
+			return
+		}
+
+		f.exit = maybeErr(driver, f.setActiveNow(driver, id, value))
+	}
+}
+
+func (f *Flow) setActiveNow(driver driverName, id string, value bool) error {
+	return f.drivers[driver].SetActive(locator(driver, id), value)
+}
+
+func (f *Flow) toggleActive(driver driverName, id string) func() {
+	return func() {
+		if f.exit != nil {
+			return
+		}
+
+		f.exit = maybeErr(driver, f.drivers[driver].ToggleActive(locator(driver, id)))
+	}
+}
+
 func (f *Flow) showDialogue(driver driverName, id string) func() {
 	return func() {
-		f.drivers[driver].ShowDialogue(locator(driver, id))
+		if f.exit != nil {
+			return
+		}
+
+		f.exit = maybeErr(driver, f.drivers[driver].ShowDialogue(locator(driver, id)))
 	}
 }