Advanced Qt Programming: Creating Great Software with C++ and Qt 4

12. Creating Graphics/View Scenes

• Scenes, Items, and Actions

• Enhancing QGraphicsView

• Creating a Dock Widget Toolbox

• Creating Custom Graphics Items

In this chapter we will look at a conventional application that makes use of Qt’s graphics/view architecture. The program is a basic drawing application that shows how to create various kinds of custom items and how to save and load graphics items using a custom file format. The application’s implementation also shows how to provide the user with the means to add items to a scene, change their properties (including those of groups of selected items), and remove items. Considered together, this example and the one shown in the previous chapter cover a lot of the features and functionality ...