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API Structure Overview

The Qt API consists the following modules:

Ready-To-Use GUI Components

Application Classes
Top-level GUI classes.

The GUI primitives like buttons, listboxes, scrollbars etc.

Ready-made pop-up dialogs

Geometry Management
Classes handling automatic resizing and moving of widgets

GUI Component Framework

Abstract Widgets
Abstract widget classes available for subclassing.

Drawing Classes
Classes providing drawing primitives

Font Classes
Classes related to the handling of text fonts

Classes providing access to the low-level parts of Qt

Various other useful classes


General Tool Classes
Generic collection classes like list, queue, stack, string etc.

I/O Handling
Classes providing OS-independent I/O and file and directory handling.

Image Handling
Digital image coding, decoding and manipulation

Time And Date Handling
OS-independent Classes for handling date and time.

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Qt version 2.0.2