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Diffstat (limited to 'kdecore/kurldrag.cpp')
-rw-r--r-- | kdecore/kurldrag.cpp | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/kdecore/kurldrag.cpp b/kdecore/kurldrag.cpp new file mode 100644 index 000000000..092bf76cd --- /dev/null +++ b/kdecore/kurldrag.cpp @@ -0,0 +1,294 @@ +/* This file is part of the KDE project + Copyright (C) 2000 David Faure <faure@kde.org> + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +#include "kurldrag.h" +#include <qstrlist.h> +#include <qdragobject.h> +#include <qfont.h> +#include <unistd.h> + +#include <kdeversion.h> +#include <kglobal.h> +#include <klocale.h> +#include <kdebug.h> + +class KURLDragPrivate +{ +public: + bool m_exportAsText; +}; + +KURLDrag::KURLDrag( const KURL::List &urls, QWidget* dragSource, const char * name ) + : QUriDrag(dragSource, name), m_metaData(), d( 0 ) +{ + init(urls); +} + +KURLDrag::KURLDrag( const KURL::List &urls, const QMap<QString,QString>& metaData, + QWidget* dragSource, const char * name ) + : QUriDrag(dragSource, name), m_metaData(metaData), d( 0 ) +{ + init(urls); +} + +KURLDrag::~KURLDrag() +{ + delete d; +} + +void KURLDrag::init(const KURL::List &urls) +{ + KURL::List::ConstIterator uit = urls.begin(); + KURL::List::ConstIterator uEnd = urls.end(); + // Get each URL encoded in utf8 - and since we get it in escaped + // form on top of that, .latin1() is fine. + for ( ; uit != uEnd ; ++uit ) + { + m_urls.append( urlToString(*uit).latin1() ); + } + setUris(m_urls); +} + +void KURLDrag::setExportAsText( bool exp ) +{ + // For now d is only used here, so create it on demand + if ( !d ) + d = new KURLDragPrivate; + d->m_exportAsText = exp; +} + +KURLDrag * KURLDrag::newDrag( const KURL::List &urls, QWidget* dragSource, const char * name ) +{ + return new KURLDrag( urls, QMap<QString, QString>(), dragSource, name ); +} + +KURLDrag * KURLDrag::newDrag( const KURL::List &urls, const QMap<QString, QString>& metaData, + QWidget* dragSource, const char * name ) +{ + return new KURLDrag( urls, metaData, dragSource, name ); +} + +bool KURLDrag::decode( const QMimeSource *e, KURL::List &uris ) +{ + if ( e->provides( "application/x-kde-urilist" ) ) { + QByteArray payload = e->encodedData( "application/x-kde-urilist" ); + if ( payload.size() ) { + uint c=0; + const char* d = payload.data(); + while (c < payload.size() && d[c]) { + uint f = c; + // Find line end + while (c < payload.size() && d[c] && d[c]!='\r' + && d[c] != '\n') + c++; + QCString s(d+f,c-f+1); + if ( s[0] != '#' ) // non-comment? + uris.append(stringToUrl(s)); + // Skip junk + while (c < payload.size() && d[c] && + (d[c]=='\n' || d[c]=='\r')) + c++; + } + return !uris.isEmpty(); + } + } + + QStrList lst; + QUriDrag::decode( e, lst ); + for (QStrListIterator it(lst); *it; ++it) + { + KURL url = stringToUrl( *it ); + if ( !url.isValid() ) + { + uris.clear(); + break; + } + uris.append( url ); + } + return !uris.isEmpty(); +} + +bool KURLDrag::decode( const QMimeSource *e, KURL::List &uris, QMap<QString,QString>& metaData ) +{ + if ( decode( e, uris ) ) // first decode the URLs (see above) + { + QByteArray ba = e->encodedData( "application/x-kio-metadata" ); + if ( ba.size() ) + { + QString s = ba.data(); + QStringList l = QStringList::split( "$@@$", s ); + QStringList::ConstIterator it = l.begin(); + bool readingKey = true; // true, then false, then true, etc. + QString key; + for ( ; it != l.end(); ++it ) { + if ( readingKey ) + key = *it; + else + metaData.replace( key, *it ); + readingKey = !readingKey; + } + Q_ASSERT( readingKey ); // an odd number of items would be, well, odd ;-) + } + return true; // Success, even if no metadata was found + } + return false; // Couldn't decode the URLs +} + +#ifdef Q_WS_QWS +bool KURLDrag::decode( QStringList const &e, KURL::List &uris ) +{ + QStringList::ConstIterator end(e.end()); + for(QStringList::ConstIterator it=e.begin(); it!=end; ++it) + { + KURL url = KURL( *it, 106 ); // 106 is mib enum for utf8 codec + if ( !url.isValid() ) + { + uris.clear(); + break; + } + uris.append( url ); + } + return !uris.isEmpty(); +} +#endif + +//// + +const char * KURLDrag::format( int i ) const +{ + if ( i == 0 ) + return "text/uri-list"; + else if ( i == 1 ) + return "application/x-kio-metadata"; + if ( d && d->m_exportAsText == false ) + return 0; + if ( i == 2 ) + return "text/plain"; + else if ( i == 3 ) //Support this for apps that use plain XA_STRING clipboard + return "text/plain;charset=ISO-8859-1"; + else if ( i == 4 ) //Support this for apps that use the UTF_STRING clipboard + return "text/plain;charset=UTF-8"; + else return 0; +} + +QByteArray KURLDrag::encodedData( const char* mime ) const +{ + QByteArray a; + QCString mimetype( mime ); + if ( mimetype == "text/uri-list" ) + return QUriDrag::encodedData( mime ); + else if ( mimetype == "text/plain" ) + { + QStringList uris; + for (QStrListIterator it(m_urls); *it; ++it) + uris.append(stringToUrl(*it).prettyURL()); + + QCString s = uris.join( "\n" ).local8Bit(); + if( uris.count() > 1 ) // terminate last line, unless it's the only line + s.append( "\n" ); + a.resize( s.length()); + memcpy( a.data(), s.data(), s.length()); // no trailing zero in clipboard text + } + else if ( mimetype.lower() == "text/plain;charset=iso-8859-1") + { + QStringList uris; + for (QStrListIterator it(m_urls); *it; ++it) + for (QStrListIterator it(m_urls); *it; ++it) + uris.append(stringToUrl(*it).url(0, 4)); // 4 is mib for latin1 + + QCString s = uris.join( "\n" ).latin1(); + if( uris.count() > 1 ) + s.append( "\n" ); + a.resize( s.length()); + memcpy( a.data(), s.data(), s.length()); + } + else if ( mimetype.lower() == "text/plain;charset=utf-8") + { + QStringList uris; + for (QStrListIterator it(m_urls); *it; ++it) + uris.append(stringToUrl(*it).prettyURL()); + + QCString s = uris.join( "\n" ).utf8(); + if( uris.count() > 1 ) + s.append( "\n" ); + a.resize( s.length()); + memcpy( a.data(), s.data(), s.length()); + } + else if ( mimetype == "application/x-kio-metadata" ) + { + if ( !m_metaData.isEmpty() ) + { + QString s; + QMap<QString,QString>::ConstIterator it; + for( it = m_metaData.begin(); it != m_metaData.end(); ++it ) + { + s += it.key(); + s += "$@@$"; + s += it.data(); + s += "$@@$"; + } + a.resize( s.length() + 1 ); + memcpy( a.data(), s.latin1(), a.size() ); + } + } + return a; +} + +KURL KURLDrag::stringToUrl(const QCString &s) +{ + if (strncmp(s.data(), "file:", 5) == 0) + return KURL(s, KGlobal::locale()->fileEncodingMib()); + + return KURL(s, 106); // 106 is mib enum for utf8 codec; +} + +QString KURLDrag::urlToString(const KURL &url) +{ + if (url.isLocalFile()) + { +#if 1 + return url.url(0, KGlobal::locale()->fileEncodingMib()); +#else + // According to the XDND spec, file:/ URLs for DND must have + // the hostname part. But in really it just breaks many apps, + // so it's disabled for now. + QString s = url.url(0, KGlobal::locale()->fileEncodingMib()); + if( !s.startsWith( "file://" )) + { + char hostname[257]; + if ( gethostname( hostname, 255 ) == 0 ) + { + hostname[256] = '\0'; + return QString( "file://" ) + hostname + s.mid( 5 ); + } + } +#endif + } + + if ( url.protocol() == "mailto" ) { + return url.path(); + } + + return url.url(0, 106); // 106 is mib enum for utf8 codec +} + +// deprecated ctor +KURLDrag::KURLDrag( const QStrList & urls, const QMap<QString,QString>& metaData, + QWidget * dragSource, const char* name ) : +QUriDrag( urls, dragSource, name ), m_urls( urls ), m_metaData( metaData ), d( 0 ) {} |