Developing GUI Applications in C++

In this chapter, you will learn the following topics:

• A brief overview of Qt
• The Qt Framework
• Installing Qt on Ubuntu
• Developing Qt Core application
• Developing a Qt GUI application
• Using layouts in the Qt GUI application
• Understanding signals and slots for event handling
• Using multiple layouts in the Qt application

Qt is a cross-platform application framework developed in C++. It is supported on various platforms, including Windows, Linux, Mac OS, Android, iOS, Embedded Linux, QNX, VxWorks, Windows CE/RT, Integrity, Wayland, X11, Embedded Devices, and so on. It is primarily used as a human-machine-interface (HMI) or Graphical User Interface (GUI) framework; however, it is also used to develop a command-line interface (CLI) applications. The correct way of pronouncing Qt is cute. The Qt application framework comes in two flavors: open source...