EnableMouse to take bool and enable/disable directly

application.go

@@ -155,10 +155,17 @@ func (a *Application) SetScreen(screen tcell.Screen) *Application {
 }
 
 // EnableMouse enables mouse events.
-func (a *Application) EnableMouse() *Application {
+func (a *Application) EnableMouse(enable bool) *Application {
 	a.Lock()
-	a.enableMouse = true
+	defer a.Unlock()
-	a.Unlock()
+	if enable != a.enableMouse && a.screen != nil {
+		if enable {
+			a.screen.EnableMouse()
+		} else {
+			a.screen.DisableMouse()
+		}
+	}
+	a.enableMouse = enable
 	return a
 }
 

demos/list/main.go

@@ -15,7 +15,7 @@ func main() {
 		AddItem("Quit", "Press to exit", 'q', func() {
 			app.Stop()
 		})
-	app.EnableMouse()
+	app.EnableMouse(true)
 	if err := app.SetRoot(list, true).Run(); err != nil {
 		panic(err)
 	}

demos/presentation/main.go

@@ -91,7 +91,7 @@ func main() {
 		return event
 	})
 
-	app.EnableMouse()
+	app.EnableMouse(true)
 
 	// Start the application.
 	if err := app.SetRoot(layout, true).Run(); err != nil {