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

9. Creating Rich Text Editors

• Introducing QTextDocument

• Creating Custom Text Editors

• A Rich Text Single Line Editor

• Multi-line Rich Text Editing

Qt provides a rich text engine that can format and display text, lists, tables, and images.^* The heart of this text formatting engine is QTextDocument—this class can hold a single piece of text, a line, or an entire multi-page document, and fully supports text formatting (e.g., bold, italic, color, subscript), right down to the level of individual characters.

^* Qt’s rich text format is an in-memory data format that should not be confused with Microsoft’s .rtf (rich text format) document interchange format, or with enriched text (RFC 1896) or with the text/richtext MIME type (RFCs 1341 and ...