Until now you have been dealing with a single-document interface. In this chapter you will learn how to manage multiple documents in a main window with MDI. Also, you will learn to organize widgets in different layouts. This chapter covers the following:
A multiple-document interface
Displaying widgets collectively through Group Box Let’s begin the chapter with the concept of a multiple-document interface.
Applications that provide one document per main window are said to be SDI (single-document interface) applications. A multiple-document interface (MDI) consists of a main window containing a menu bar, a toolbar, and a central
QWorkspace widget. The job of the central workspace ...