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The Scribe framework provides a set of classes for reading and manipulating structured rich text documents. Unlike previous rich text support in Qt, the new classes are centered around the QTextDocument class rather than raw textual information. This enables the developer to create and modify structured rich text documents without having to prepare content in an intermediate markup format.
The information within a document can be accessed via two complementary interfaces: A cursor-based interface is used for editing, and a read-only hierarchical interface provides a high level overview of the document structure. The main advantage of the cursor-based interface is that the text can be edited using operations that mimic a user's interaction with an editor, without losing the underlying structure of the document. The read-only hierarchical interface is most useful when performing operations such as searching and document export.
This document is divided up into chapters for convenient reference:
Qt provides an extensive collection of classes for parsing, rendering manipulating and editing rich text.
| QAbstractTextDocumentLayout | Abstract base class used to implement custom layouts for QTextDocuments |
|---|---|
| QFont | Specifies a font used for drawing text |
| QPlainTextDocumentLayout | Implements a plain text layout for QTextDocument |
| QPlainTextEdit | Widget that is used to edit and display plain text |
| QSyntaxHighlighter | Allows you to define syntax highlighting rules, and in addition you can use the class to query a document's current formatting or user data |
| QTextBlock | Container for text fragments in a QTextDocument |
| QTextBlockFormat | Formatting information for blocks of text in a QTextDocument |
| QTextBlockGroup | Container for text blocks within a QTextDocument |
| QTextBlockUserData | Used to associate custom data with blocks of text |
| QTextBrowser | Rich text browser with hypertext navigation |
| QTextCharFormat | Formatting information for characters in a QTextDocument |
| QTextCursor | Offers an API to access and modify QTextDocuments |
| QTextDocument | Holds formatted text that can be viewed and edited using a QTextEdit |
| QTextDocumentFragment | Represents a piece of formatted text from a QTextDocument |
| QTextDocumentWriter | Format-independent interface for writing a QTextDocument to files or other devices |
| QTextEdit | Widget that is used to edit and display both plain and rich text |
| QTextFormat | Formatting information for a QTextDocument |
| QTextFragment | Holds a piece of text in a QTextDocument with a single QTextCharFormat |
| QTextFrame | Represents a frame in a QTextDocument |
| QTextFrameFormat | Formatting information for frames in a QTextDocument |
| QTextImageFormat | Formatting information for images in a QTextDocument |
| QTextInlineObject | Represents an inline object in a QTextLayout |
| QTextLayout | Used to lay out and paint a single paragraph of text |
| QTextLength | Encapsulates the different types of length used in a QTextDocument |
| QTextLine | Represents a line of text inside a QTextLayout |
| QTextList | Decorated list of items in a QTextDocument |
| QTextListFormat | Formatting information for lists in a QTextDocument |
| QTextObject | Base class for different kinds of objects that can group parts of a QTextDocument together |
| QTextOption | Description of general rich text properties |
| QTextTable | Represents a table in a QTextDocument |
| QTextTableCell | Represents the properties of a cell in a QTextTable |
| QTextTableCellFormat | Formatting information for table cells in a QTextDocument |
| QTextTableFormat | Formatting information for tables in a QTextDocument |
| QTextFrame::iterator | Iterator for reading the contents of a QTextFrame |
[Next: Rich Text Document Structure]
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