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The following table lists the HTML tags supported by Qt's rich text engine:
| Tag | Description | Comment |
|---|---|---|
| a | Anchor or link | Supports the href and name attributes. |
| address | Address | |
| b | Bold | |
| big | Larger font | |
| blockquote | Indented paragraph | |
| body | Document body | Supports the bgcolor attribute, which can be a Qt color name or a #RRGGBB color specification. |
| br | Line break | |
| center | Centered paragraph | |
| cite | Inline citation | Same as i. |
| code | Code | Same as tt. |
| dd | Definition data | |
| dfn | Definition | Same as i. |
| div | Document division | Supports the standard block attributes. |
| dl | Definition list | Supports the standard block attributes. |
| dt | Definition term | Supports the standard block attributes. |
| em | Emphasized | Same as i. |
| font | Font size, family, and/or color | Supports the following attributes: size, face, and color (Qt color names or #RRGGBB). |
| h1 | Level 1 heading | Supports the standard block attributes. |
| h2 | Level 2 heading | Supports the standard block attributes. |
| h3 | Level 3 heading | Supports the standard block attributes. |
| h4 | Level 4 heading | Supports the standard block attributes. |
| h5 | Level 5 heading | Supports the standard block attributes. |
| h6 | Level 6 heading | Supports the standard block attributes. |
| head | Document header | |
| hr | Horizontal line | Supports the width attribute, which can be specified as an absolute or relative (%) value. |
| html | HTML document | |
| i | Italic | |
| img | Image | Supports the src, source (for Qt 3 compatibility), width, and height attributes. |
| kbd | User-entered text | |
| meta | Meta-information | If a text encoding is specified using the meta tag, it is picked up by Qt::codecForHtml(). Likewise, if an encoding is specified to QTextDocument::toHtml(), the encoding is stored using a meta tag, for example:<meta http-equiv="Content-Type" content="text/html; charset=EUC-JP" /> |
| li | List item | |
| nobr | Non-breakable text | |
| ol | Ordered list | Supports the standard list attributes. |
| p | Paragraph | Left-aligned by default. Supports the standard block attributes. |
| pre | Preformated text | |
| qt | Qt rich-text document | Synonym for html. Provided for compatibility with earlier versions of Qt. |
| s | Strikethrough | |
| samp | Sample code | Same as tt. |
| small | Small font | |
| span | Grouped elements | |
| strong | Strong | Same as b. |
| sub | Subscript | |
| sup | Superscript | |
| table | Table | Supports the following attributes: border, bgcolor (Qt color names or #RRGGBB), cellspacing, cellpadding, width (absolute or relative), and height. |
| tbody | Table body | Does nothing. |
| td | Table data cell | Supports the standard table cell attributes. |
| tfoot | Table footer | Does nothing. |
| th | Table header cell | Supports the standard table cell attributes. |
| thead | Table header | If the thead tag is specified, it is used when printing tables that span multiple pages. |
| title | Document title | The value specified using the title tag is available through QTextDocument::metaInformation(). |
| tr | Table row | Supports the bgcolor attribute, which can be a Qt color name or a #RRGGBB color specification. |
| tt | Typewrite font | |
| u | Underlined | |
| ul | Unordered list | Supports the standard list attributes. |
| var | Variable | Same as i. |
The following attributes are supported by the div, dl, dt, h1, h2, h3, h4, h5, h6, p tags:
The following attribute is supported by the ol and ul tags:
The following attributes are supported by the td and th tags:
The following table lists the CSS properties supported by Qt's rich text engine:
| Property | Values | Description |
|---|---|---|
| background-color | <color> | Background color for elements |
| background-image | <uri> | Background image for elements |
| color | <color> | Text foreground color |
| font-family | <family name> | Font family name |
| font-size | [ small | medium | large | x-large | xx-large ] | <size>pt | <size>px | Font size relative to the document font, or specified in points or pixels |
| font-style | [ normal | italic | oblique ] | |
| font-weight | [ normal | bold | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 ] | Specifies the font weight used for text, where normal and bold are mapped to the corresponding QFont weights. Numeric values are 8 times the equivalent QFont weight values. |
| text-decoration | none | [ underline || overline || line-through ] | Additional text effects |
| font | [ [ <'font-style'> || <'font-weight'> ]? <'font-size'> <'font-family'> ] | Font shorthand property |
| text-indent | <length>px | First line text indentation in pixels |
| white-space | normal | pre | nowrap | pre-wrap | Declares how whitespace in HTML is handled. |
| margin-top | <length>px | Top paragraph margin in pixels |
| margin-bottom | <length>px | Bottom paragraph margin in pixels |
| margin-left | <length>px | Left paragraph margin in pixels |
| margin-right | <length>px | Right paragraph margin in pixels |
| vertical-align | baseline | sub | super | Vertical text alignment |
| background | [ <'background-color'> || <'background-image'> ] | Background shorthand property |
| page-break-before | [ auto | always ] | Make it possible to enforce a page break before the paragraph/table |
| page-break-after | [ auto | always ] | Make it possible to enforce a page break after the paragraph/table |
All CSS 2.1 selector classes are supported except pseudo-class selectors such as :first-child, :visited and :hover.
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