July 2001
Intermediate to advanced
656 pages
14h 22m
English
Content preview from MySQL Building User Interfaces
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
Start your free trial
Project Design: Knowing Your Object Hierarchy
Knowing and understanding the widget hierarchy in your project will make development of complex projects much more manageable. In addition, specifying the widget tree for your project in the design phase will help you avoid unnecessarily repeating work later in the project. The widget tree is key to understanding and creating effective user interfaces in GTK+.
The Widget Tree Window
As you can see in Figure 5.19, the widgets displayed are layered one inside the next. Understanding this paradigm will take you a long way toward understanding how best to use GTK+ widgets.
Figure 5.19. The widget hierarchy window.
As you can see in Figure 5.20, if you right-click a displayed widget, a popup menu ...