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konq_drag.cpp
1 /* This file is part of the KDE projects
2  Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
3 
4  This program is free software; you can redistribute it and/or
5  modify it under the terms of the GNU General Public
6  License as published by the Free Software Foundation; either
7  version 2 of the License, or (at your option) any later version.
8 
9  This program is distributed in the hope that it will be useful,
10  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  General Public License for more details.
13 
14  You should have received a copy of the GNU General Public License
15  along with this program; see the file COPYING. If not, write to
16  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17  Boston, MA 02110-1301, USA.
18 */
19 
20 #include "konq_drag.h"
21 #include <kdebug.h>
22 #include <kurldrag.h>
23 
24 KonqIconDrag::KonqIconDrag( TQWidget * dragSource, const char* name )
25  : TQIconDrag( dragSource, name ),
26  m_bCutSelection( false )
27 {
28 }
29 
30 const char* KonqIconDrag::format( int i ) const
31 {
32  if ( i == 0 )
33  return "application/x-qiconlist";
34  else if ( i == 1 )
35  return "text/uri-list";
36  else if ( i == 2 )
37  return "application/x-tde-cutselection";
38  else if ( i == 3 )
39  return "text/plain";
40  else if ( i == 4 ) //These two are imporant because they may end up being format 0,
41  //which is what KonqDirPart::updatePasteAction() checks
42  return "text/plain;charset=ISO-8859-1";
43  else if ( i == 5 ) //..as well as potentially for interoperability
44  return "text/plain;charset=UTF-8";
45  // warning, don't add anything here without checking KonqIconDrag2
46 
47  else return 0;
48 }
49 
50 TQByteArray KonqIconDrag::encodedData( const char* mime ) const
51 {
52  TQByteArray a;
53  TQCString mimetype( mime );
54  if ( mimetype == "application/x-qiconlist" )
55  a = TQIconDrag::encodedData( mime );
56  else if ( mimetype == "text/uri-list" ) {
57  TQCString s = urls.join( "\r\n" ).latin1();
58  if( urls.count() > 0 )
59  s.append( "\r\n" );
60  a.resize( s.length() + 1 ); // trailing zero
61  memcpy( a.data(), s.data(), s.length() + 1 );
62  }
63  else if ( mimetype == "application/x-tde-cutselection" ) {
64  TQCString s ( m_bCutSelection ? "1" : "0" );
65  a.resize( s.length() + 1 ); // trailing zero
66  memcpy( a.data(), s.data(), s.length() + 1 );
67  }
68  else if ( mimetype == "text/plain" ) {
69  if (!urls.isEmpty())
70  {
71  TQStringList uris;
72  for (TQStringList::ConstIterator it = urls.begin(); it != urls.end(); ++it)
73  uris.append(KURLDrag::stringToUrl((*it).latin1()).prettyURL());
74  TQCString s = uris.join( "\n" ).local8Bit();
75  if( uris.count() > 1 )
76  s.append( "\n" );
77  a.resize( s.length()); // no trailing zero in clipboard text
78  memcpy( a.data(), s.data(), s.length());
79  }
80  }
81  else if ( mimetype.lower() == "text/plain;charset=iso-8859-1")
82  {
83  if (!urls.isEmpty())
84  {
85  TQStringList uris;
86 
87  for (TQStringList::ConstIterator it = urls.begin(); it != urls.end(); ++it)
88  uris.append(KURLDrag::stringToUrl((*it).latin1()).url(0, 4)); // 4 for latin1
89 
90  TQCString s = uris.join( "\n" ).latin1();
91  if( uris.count() > 1 )
92  s.append( "\n" );
93  a.resize( s.length());
94  memcpy( a.data(), s.data(), s.length());
95  }
96  }
97  else if ( mimetype.lower() == "text/plain;charset=utf-8")
98  {
99  if (!urls.isEmpty())
100  {
101  TQStringList uris;
102  for (TQStringList::ConstIterator it = urls.begin(); it != urls.end(); ++it)
103  uris.append(KURLDrag::stringToUrl((*it).latin1()).prettyURL());
104  TQCString s = uris.join( "\n" ).utf8();
105  if( uris.count() > 1 )
106  s.append( "\n" );
107  a.resize( s.length());
108  memcpy( a.data(), s.data(), s.length());
109  }
110  }
111  return a;
112 }
113 
114 bool KonqIconDrag::canDecode( const TQMimeSource* e )
115 {
116  return e->provides( "application/x-qiconlist" ) ||
117  e->provides( "text/uri-list" ) ||
118  e->provides( "application/x-tde-cutselection" );
119 }
120 
121 void KonqIconDrag::append( const TQIconDragItem &item, const TQRect &pr,
122  const TQRect &tr, const TQString &url )
123 {
124  TQIconDrag::append( item, pr, tr );
125  urls.append( url );
126 }
127 
128 KonqIconDrag2::KonqIconDrag2( TQWidget * dragSource )
129  : KonqIconDrag( dragSource )
130 {
131 }
132 
133 void KonqIconDrag2::append( const TQIconDragItem &item, const TQRect &pr,
134  const TQRect &tr, const TQString& url, const KURL &mostLocalURL )
135 {
136  TQString mostLocalURLStr = KURLDrag::urlToString(mostLocalURL);
137  m_kdeURLs.append( url );
138  KonqIconDrag::append( item, pr, tr, mostLocalURLStr );
139 }
140 
141 const char* KonqIconDrag2::format( int i ) const
142 {
143  if ( i == 6 )
144  return "application/x-tde-urilist";
145  return KonqIconDrag::format( i );
146 }
147 
148 TQByteArray KonqIconDrag2::encodedData( const char* mime ) const
149 {
150  TQCString mimetype( mime );
151  if ( mimetype == "application/x-tde-urilist" )
152  {
153  TQByteArray a;
154  int c=0;
155  for (TQStringList::ConstIterator it = m_kdeURLs.begin(); it != m_kdeURLs.end(); ++it) {
156  TQCString url = (*it).utf8();
157  int l = url.length();
158  a.resize(c+l+2);
159  memcpy(a.data()+c, url.data(), l);
160  memcpy(a.data()+c+l,"\r\n",2);
161  c += l+2;
162  }
163  a.resize(c+1);
164  a[c] = 0;
165  return a;
166  }
167  return KonqIconDrag::encodedData( mime );
168 }
169 
170 //
171 
172 KonqDrag * KonqDrag::newDrag( const KURL::List & urls, bool cut, TQWidget * dragSource, const char* name )
173 {
174  // See KURLDrag::newDrag
175  TQStrList uris;
176  KURL::List::ConstIterator uit = urls.begin();
177  KURL::List::ConstIterator uEnd = urls.end();
178  // Get each URL encoded in utf8 - and since we get it in escaped
179  // form on top of that, .latin1() is fine.
180  for ( ; uit != uEnd ; ++uit )
181  uris.append( KURLDrag::urlToString( *uit ).latin1() );
182  return new KonqDrag( uris, cut, dragSource, name );
183 }
184 
185 // urls must be already checked to have hostname in file URLs
186 KonqDrag::KonqDrag( const TQStrList & urls, bool cut, TQWidget * dragSource, const char* name )
187  : TQUriDrag( urls, dragSource, name ),
188  m_bCutSelection( cut ), m_urls( urls )
189 {}
190 
191 // urls must be already checked to have hostname in file URLs
192 KonqDrag::KonqDrag( const KURL::List & urls, const KURL::List& mostLocalUrls,
193  bool cut, TQWidget * dragSource )
194  : TQUriDrag( dragSource ),
195  m_bCutSelection( cut )
196 {
197  TQStrList uris;
198  KURL::List::ConstIterator uit = urls.begin();
199  KURL::List::ConstIterator uEnd = urls.end();
200  // Get each URL encoded in utf8 - and since we get it in escaped
201  // form on top of that, .latin1() is fine.
202  for ( ; uit != uEnd ; ++uit )
203  uris.append( KURLDrag::urlToString( *uit ).latin1() );
204  setUris( uris ); // we give the KDE uris to TQUriDrag. TODO: do the opposite in KDE4 and add a m_mostLocalUris member.
205 
206  uit = mostLocalUrls.begin();
207  uEnd = mostLocalUrls.end();
208  for ( ; uit != uEnd ; ++uit )
209  m_urls.append( KURLDrag::urlToString( *uit ).latin1() );
210  // we keep the most-local-uris in m_urls for exporting those as text/plain (for xmms)
211 }
212 
213 const char* KonqDrag::format( int i ) const
214 {
215  if ( i == 0 )
216  return "text/uri-list";
217  else if ( i == 1 )
218  return "application/x-tde-cutselection";
219  else if ( i == 2 )
220  return "text/plain";
221  else if ( i == 3 )
222  return "application/x-tde-urilist";
223  else return 0;
224 }
225 
226 TQByteArray KonqDrag::encodedData( const char* mime ) const
227 {
228  TQByteArray a;
229  TQCString mimetype( mime );
230  if ( mimetype == "text/uri-list" )
231  {
232  // Code taken from TQUriDrag::setUris
233  int c=0;
234  for (TQStrListIterator it(m_urls); *it; ++it) {
235  int l = tqstrlen(*it);
236  a.resize(c+l+2);
237  memcpy(a.data()+c,*it,l);
238  memcpy(a.data()+c+l,"\r\n",2);
239  c+=l+2;
240  }
241  a.resize(c+1);
242  a[c] = 0;
243  }
244  else if ( mimetype == "application/x-tde-urilist" )
245  {
246  return TQUriDrag::encodedData( "text/uri-list" );
247  }
248  else if ( mimetype == "application/x-tde-cutselection" )
249  {
250  TQCString s ( m_bCutSelection ? "1" : "0" );
251  a.resize( s.length() + 1 ); // trailing zero
252  memcpy( a.data(), s.data(), s.length() + 1 );
253  }
254  else if ( mimetype == "text/plain" )
255  {
256  TQStringList uris;
257  for (TQStrListIterator it(m_urls); *it; ++it)
258  uris.append(KURLDrag::stringToUrl(*it).prettyURL());
259  TQCString s = uris.join( "\n" ).local8Bit();
260  if( uris.count() > 1 )
261  s.append( "\n" );
262  a.resize( s.length() + 1 ); // trailing zero
263  memcpy( a.data(), s.data(), s.length() + 1 );
264  }
265  return a;
266 }
267 
268 //
269 
270 // Used for KonqIconDrag too
271 
272 bool KonqDrag::decodeIsCutSelection( const TQMimeSource *e )
273 {
274  TQByteArray a = e->encodedData( "application/x-tde-cutselection" );
275  if ( a.isEmpty() )
276  return false;
277  else
278  {
279  kdDebug(1203) << "KonqDrag::decodeIsCutSelection : a=" << TQCString(a.data(), a.size() + 1) << endl;
280  return (a.at(0) == '1'); // true if 1
281  }
282 }
283 
284 #include "konq_drag.moc"

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