QMacPasteboardMime 类

The QMacPasteboardMime class converts between a MIME type and a UTI (统一类型标识符) 格式。更多...

头：	#include <QMacPasteboardMime>
Since:	Qt 4.2

所有成员列表，包括继承成员

公共函数

	QMacPasteboardMime (char t )
virtual	~QMacPasteboardMime ()
virtual bool	canConvert (const QString & mime , QString flav ) = 0
virtual QList<QByteArray>	convertFromMime (const QString & mime , QVariant data , QString flav ) = 0
virtual QVariant	convertToMime (const QString & mime , QList<QByteArray> data , QString flav ) = 0
virtual QString	convertorName () = 0
virtual QString	flavorFor (const QString & mime ) = 0
virtual QString	mimeFor (QString flav ) = 0

静态公共成员

QList<QMacPasteboardMime *>	all (uchar t )
QMacPasteboardMime *	convertor (uchar t , const QString & mime , QString flav )
QString	flavorToMime (uchar t , QString flav )

void	qRegisterDraggedTypes (const QStringList & 类型 )

详细描述

The QMacPasteboardMime class converts between a MIME type and a UTI (统一类型标识符) 格式。

Qt's drag and drop and clipboard facilities use the MIME standard. On X11, this maps trivially to the Xdnd protocol. On Mac, although some applications use MIME to describe clipboard contents, it is more common to use Apple's UTI format.

QMacPasteboardMime 's role is to bridge the gap between MIME and UTI; By subclasses this class, one can extend Qt's drag and drop and clipboard handling to convert to and from unsupported, or proprietary, UTI formats.

A subclass of QMacPasteboardMime will automatically be registered, and active, upon instantiation.

Qt has predefined support for the following UTIs:

public.utf8-plain-text - converts to "text/plain"
public.utf16-plain-text - converts to "text/plain"
public.html - converts to "text/html"
public.url - converts to "text/uri-list"
public.file-url - converts to "text/uri-list"
public.tiff - converts to "application/x-qt-image"
public.vcard - converts to "text/plain"
com.apple.traditional-mac-plain-text - converts to "text/plain"
com.apple.pict - converts to "application/x-qt-image"

When working with MIME data, Qt will interate through all instances of QMacPasteboardMime to find an instance that can convert to, or from, a specific MIME type. It will do this by calling canConvert () on each instance, starting with (and choosing) the last created instance first. The actual conversions will be done by using convertToMime () 和 convertFromMime ().

注意： The API uses the term "flavor" in some cases. This is for backwards compatibility reasons, and should now be understood as UTIs.

成员函数文档编制

QMacPasteboardMime:: QMacPasteboardMime ( char t )

Constructs a new conversion object of type t , adding it to the globally accessed list of available convertors.

`[虚拟]` QMacPasteboardMime:: ~QMacPasteboardMime ()

Destroys a conversion object, removing it from the global list of available convertors.