Responding to mouse events in Flutter Desktop

While, with mobile devices, users generally interact with your apps through touch gestures, with bigger devices, they may use a mouse, and from a developer perspective, mouse input is different from touch.

In this recipe, you will learn how to respond to common mouse gestures such as click and right-click. In particular, you will make the user select and deselect items in a GridView, and change the color of the background to give some feedback to your users.

Getting ready

Before following this recipe, you should have completed the first recipe in this chapter, Creating a responsive app leveraging Flutter Web.

How to do it…

In order to respond to mouse gestures within your app, please follow these steps:

1. Open the book_list_screen.dart file in your project.
2. At the top of the _BookListScreenState class, add a new Color list, called bgColors, and set it to an empty List:

    List<Color&gt...