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169 lines
7.0 KiB
169 lines
7.0 KiB
13 years ago
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'\" t
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.TH QUriDrag 3qt "2 February 2007" "Trolltech AS" \" -*- nroff -*-
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.\" Copyright 1992-2007 Trolltech ASA. All rights reserved. See the
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.\" license file included in the distribution for a complete license
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.\" statement.
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.\"
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.ad l
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.nh
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.SH NAME
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QUriDrag \- Drag object for a list of URI references
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.SH SYNOPSIS
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\fC#include <qdragobject.h>\fR
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.PP
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Inherits QStoredDrag.
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.PP
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.SS "Public Members"
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.in +1c
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.ti -1c
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.BI "\fBQUriDrag\fR ( QStrList uris, QWidget * dragSource = 0, const char * name = 0 )"
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.br
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.ti -1c
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.BI "\fBQUriDrag\fR ( QWidget * dragSource = 0, const char * name = 0 )"
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.br
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.ti -1c
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.BI "\fB~QUriDrag\fR ()"
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.br
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.ti -1c
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.BI "void setFilenames ( const QStringList & fnames ) \fI(obsolete)\fR"
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.br
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.ti -1c
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.BI "void \fBsetFileNames\fR ( const QStringList & fnames )"
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.br
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.ti -1c
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.BI "void \fBsetUnicodeUris\fR ( const QStringList & uuris )"
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.br
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.ti -1c
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.BI "virtual void \fBsetUris\fR ( QStrList uris )"
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.br
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.in -1c
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.SS "Static Public Members"
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.in +1c
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.ti -1c
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.BI "QString \fBuriToLocalFile\fR ( const char * uri )"
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.br
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.ti -1c
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.BI "QCString \fBlocalFileToUri\fR ( const QString & filename )"
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.br
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.ti -1c
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.BI "QString \fBuriToUnicodeUri\fR ( const char * uri )"
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.br
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.ti -1c
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.BI "QCString \fBunicodeUriToUri\fR ( const QString & uuri )"
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.br
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.ti -1c
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.BI "bool \fBcanDecode\fR ( const QMimeSource * e )"
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.br
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.ti -1c
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.BI "bool \fBdecode\fR ( const QMimeSource * e, QStrList & l )"
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.br
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.ti -1c
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.BI "bool \fBdecodeToUnicodeUris\fR ( const QMimeSource * e, QStringList & l )"
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.br
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.ti -1c
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.BI "bool \fBdecodeLocalFiles\fR ( const QMimeSource * e, QStringList & l )"
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.br
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.in -1c
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.SH DESCRIPTION
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The QUriDrag class provides a drag object for a list of URI references.
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.PP
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URIs are a useful way to refer to files that may be distributed across multiple machines. A URI will often refer to a file on a machine local to both the drag source and the drop target, so the URI can be equivalent to passing a file name but is more extensible.
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.PP
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Use URIs in Unicode form so that the user can comfortably edit and view them. For use in HTTP or other protocols, use the correctly escaped ASCII form.
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.PP
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You can convert a list of file names to file URIs using setFileNames(), or into human-readble form with setUnicodeUris().
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.PP
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Static functions are provided to convert between filenames and URIs, e.g. uriToLocalFile() and localFileToUri(), and to and from human-readable form, e.g. uriToUnicodeUri(), unicodeUriToUri(). You can also decode URIs from a mimesource into a list with decodeLocalFiles() and decodeToUnicodeUris().
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.PP
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See also Drag And Drop Classes.
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.SH MEMBER FUNCTION DOCUMENTATION
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.SH "QUriDrag::QUriDrag ( QStrList uris, QWidget * dragSource = 0, const char * name = 0 )"
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Constructs an object to drag the list of URIs in \fIuris\fR. The \fIdragSource\fR and \fIname\fR arguments are passed on to QStoredDrag. Note that URIs are always in escaped UTF8 encoding.
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.SH "QUriDrag::QUriDrag ( QWidget * dragSource = 0, const char * name = 0 )"
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Constructs an object to drag. You must call setUris() before you start the drag(). Passes \fIdragSource\fR and \fIname\fR to the QStoredDrag constructor.
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.SH "QUriDrag::~QUriDrag ()"
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Destroys the object.
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.SH "bool QUriDrag::canDecode ( const QMimeSource * e )\fC [static]\fR"
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Returns TRUE if decode() would be able to decode \fIe\fR; otherwise returns FALSE.
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.SH "bool QUriDrag::decode ( const QMimeSource * e, QStrList & l )\fC [static]\fR"
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Decodes URIs from \fIe\fR, placing the result in \fIl\fR (which is first cleared).
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.PP
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Returns TRUE if \fIe\fR contained a valid list of URIs; otherwise returns FALSE.
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.PP
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Example: dirview/dirview.cpp.
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.SH "bool QUriDrag::decodeLocalFiles ( const QMimeSource * e, QStringList & l )\fC [static]\fR"
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Decodes URIs from the mime source event \fIe\fR, converts them to local files if they refer to local files, and places them in \fIl\fR (which is first cleared).
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.PP
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Returns TRUE if \fIcontained\fR a valid list of URIs; otherwise returns FALSE. The list will be empty if no URIs were local files.
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.PP
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Example: fileiconview/qfileiconview.cpp.
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.SH "bool QUriDrag::decodeToUnicodeUris ( const QMimeSource * e, QStringList & l )\fC [static]\fR"
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Decodes URIs from the mime source event \fIe\fR, converts them to Unicode URIs (only useful for displaying to humans), placing them in \fIl\fR (which is first cleared).
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.PP
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Returns TRUE if \fIcontained\fR a valid list of URIs; otherwise returns FALSE.
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.SH "QCString QUriDrag::localFileToUri ( const QString & filename )\fC [static]\fR"
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Returns the URI equivalent to the absolute local file \fIfilename\fR.
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.PP
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See also uriToLocalFile().
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.SH "void QUriDrag::setFileNames ( const QStringList & fnames )"
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Sets the URIs to be the local-file URIs equivalent to \fIfnames\fR.
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.PP
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See also localFileToUri() and setUris().
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.PP
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Example: dirview/dirview.cpp.
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.SH "void QUriDrag::setFilenames ( const QStringList & fnames )"
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\fBThis function is obsolete.\fR It is provided to keep old source working. We strongly advise against using it in new code.
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.PP
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Use setFileNames() instead (notice the N).
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.SH "void QUriDrag::setUnicodeUris ( const QStringList & uuris )"
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Sets the URIs in \fIuuris\fR to be the Unicode URIs (only useful for displaying to humans).
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.PP
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See also localFileToUri() and setUris().
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.SH "void QUriDrag::setUris ( QStrList uris )\fC [virtual]\fR"
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Changes the list of \fIuris\fR to be dragged.
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.PP
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Note that URIs are always in escaped UTF8 encoding.
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.SH "QCString QUriDrag::unicodeUriToUri ( const QString & uuri )\fC [static]\fR"
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Returns the URI equivalent of the Unicode URI given in \fIuuri\fR (only useful for displaying to humans).
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.PP
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See also uriToLocalFile().
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.SH "QString QUriDrag::uriToLocalFile ( const char * uri )\fC [static]\fR"
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Returns the name of a local file equivalent to \fIuri\fR or a null string if \fIuri\fR is not a local file.
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.PP
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Note that URIs are always in escaped UTF8 encoding.
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.PP
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See also localFileToUri().
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.PP
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Example: dirview/dirview.cpp.
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.SH "QString QUriDrag::uriToUnicodeUri ( const char * uri )\fC [static]\fR"
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Returns the Unicode URI (only useful for displaying to humans) equivalent of \fIuri\fR.
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.PP
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Note that URIs are always in escaped UTF8 encoding.
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.PP
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See also localFileToUri().
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.SH "SEE ALSO"
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.BR http://doc.trolltech.com/quridrag.html
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.BR http://www.trolltech.com/faq/tech.html
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.SH COPYRIGHT
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Copyright 1992-2007 Trolltech ASA, http://www.trolltech.com. See the
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license file included in the distribution for a complete license
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statement.
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.SH AUTHOR
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Generated automatically from the source code.
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.SH BUGS
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If you find a bug in Qt, please report it as described in
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.BR http://doc.trolltech.com/bughowto.html .
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Good bug reports help us to help you. Thank you.
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.P
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The definitive Qt documentation is provided in HTML format; it is
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located at $QTDIR/doc/html and can be read using Qt Assistant or with
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a web browser. This man page is provided as a convenience for those
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users who prefer man pages, although this format is not officially
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supported by Trolltech.
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.P
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If you find errors in this manual page, please report them to
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.BR qt-bugs@trolltech.com .
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Please include the name of the manual page (quridrag.3qt) and the Qt
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version (3.3.8).
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