Supported HTML Subset 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 .
Block Attributes
The following attributes are supported by the div , dl , dt , h1 , h2 , h3 , h4 , h5 , h6 , p tags:
align (left , right , center , justify )dir (ltr , rtl )
List Attributes
The following attribute is supported by the ol and ul tags:
type (1 , a , A , square , disc , circle )
Table Cell Attributes
The following attributes are supported by the td and th tags:
width (absolute, relative, or no-value)bgcolor (Qt color names or #RRGGBB )colspan rowspan
CSS Properties
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
Supported CSS Selectors
All CSS 2.1 selector classes are supported except pseudo-class selectors such as :first-child , :visited and :hover .
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