Hands-On GUI Programming with C++ and Qt5

Setting up a new project

First, create a new Qt Widgets Application project.

Then, the first thing we need to do is to open up the project file (.pro) and add two keywords—multimedia and multimediawidgets:

QT += core gui multimedia multimediawidgets 

By detecting these keywords in the project file, Qt will include the multimedia module and all the widgets that are related to multimedia into your project when it compiles. The multimedia module includes four major components which are listed as follows:

• Audio
• Video
• Camera
• Radio

Each component includes a range of classes that provide respective functionality. By using this module, you no longer have to implement low-level, platform-specific code yourself. Let Qt do the job for you. It's really ...