QTextDocumentFragment 类表示一块格式化文本,来自 QTextDocument . 更多...
头: | #include <QTextDocumentFragment> |
qmake: | QT += gui |
注意: 此类的所有函数 可重入 .
QTextDocumentFragment (const QTextDocumentFragment & other ) | |
QTextDocumentFragment (const QTextCursor & cursor ) | |
QTextDocumentFragment (const QTextDocument * document ) | |
QTextDocumentFragment () | |
QTextDocumentFragment & | operator= (const QTextDocumentFragment & other ) |
~QTextDocumentFragment () | |
bool | isEmpty () const |
QString | toHtml (const QByteArray & encoding = QByteArray()) const |
QString | toPlainText () const |
QTextDocumentFragment | fromHtml (const QString & text ) |
QTextDocumentFragment | fromHtml (const QString & text , const QTextDocument * resourceProvider ) |
QTextDocumentFragment | fromPlainText (const QString & plainText ) |
A QTextDocumentFragment is a fragment of rich text, that can be inserted into a QTextDocument . A document fragment can be created from a QTextDocument , from a QTextCursor 's selection, or from another document fragment. Document fragments can also be created by the static functions, fromPlainText () 和 fromHtml ().
The contents of a document fragment can be obtained as plain text by using the toPlainText () function, or it can be obtained as HTML with toHtml ().
拷贝构造函数。创建副本针对 other 片段。
Creates a QTextDocumentFragment from the cursor 's selection. If the cursor doesn't have a selection, the created fragment is empty.
另请参阅 isEmpty () 和 QTextCursor::selection ().
转换给定 document into a QTextDocumentFragment. Note that the QTextDocumentFragment only stores the document contents, not meta information like the document's title.
构造空的 QTextDocumentFragment。
另请参阅 isEmpty ().
赋值 other fragment to this fragment.
销毁文档片段。
[static]
QTextDocumentFragment
QTextDocumentFragment::
fromHtml
(const
QString
&
text
)
返回 QTextDocumentFragment based on the arbitrary piece of HTML in the given text . The formatting is preserved as much as possible; for example, "<b>bold</b>" will become a document fragment with the text "bold" with a bold character format.
[static]
QTextDocumentFragment
QTextDocumentFragment::
fromHtml
(const
QString
&
text
, const
QTextDocument
*
resourceProvider
)
返回 QTextDocumentFragment based on the arbitrary piece of HTML in the given text . The formatting is preserved as much as possible; for example, "<b>bold</b>" will become a document fragment with the text "bold" with a bold character format.
If the provided HTML contains references to external resources such as imported style sheets, then they will be loaded through the resourceProvider .
该函数在 Qt 4.2 引入。
[static]
QTextDocumentFragment
QTextDocumentFragment::
fromPlainText
(const
QString
&
plainText
)
Returns a document fragment that contains the given plainText .
When inserting such a fragment into a QTextDocument the current char format of the QTextCursor used for insertion is used as format for the text.
返回
true
if the fragment is empty; otherwise returns
false
.
Returns the contents of the document fragment as HTML, using the specified encoding (e.g., "UTF-8", "ISO 8859-1").
该函数在 Qt 4.2 引入。
另请参阅 toPlainText (), QTextDocument::toHtml (),和 QTextCodec .
Returns the document fragment's text as plain text (i.e. with no formatting information).
另请参阅 toHtml ().