In the previous chapter, we learned how to display data using different types of chart. Charts are one of many ways to present information to the users on screen. It is very important for your application to present vital information to the users so that they know exactly what's happening to the application—whether data has been saved successfully, or the application is waiting for the user's input, or warning/error messages that the users should be aware of, and so on—it's all very important to ensure your application's user-friendliness and usability.
In this chapter, we will cover the following topics :
- Working with item view widgets
- Working with dialog boxes
- Working with file selection dialogs
- Image scaling and cropping
Qt provides us with many types of widget and dialog that we can easily use to display important...