Qt:Документация 4.3.2/richtext-html-subset

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[править] Supported HTML Subset

The following table lists the HTML tags supported by Qt's rich text engine:


Tag Описание 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 Переменная Same as i.

[править] 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)

[править] List Attributes

The following attribute is supported by the ol and ul tags:

  • type (1, a, A, square, disc, circle)

[править] 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
  • align (left, right, center, justify)
  • valign (top, middle, bottom)

[править] CSS Properties

The following table lists the CSS properties supported by Qt's rich text engine:


Property Values Описание
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 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 italic | oblique ]
font-weight 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 [ 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 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 sub | super | middle | top | bottom Vertical text alignment. For vertical alignment in text table cells only middle, top, and bottom apply.
border-color <color> Border color for text tables.
border-style dotted | dashed | dot-dash | dot-dot-dash | solid | double | groove | ridge | inset | outset Border style for text tables.
background [ <'background-color'> <'background-image'> ] Background shorthand property
page-break-before always ] Make it possible to enforce a page break before the paragraph/table
page-break-after always ] Make it possible to enforce a page break after the paragraph/table

[править] 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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