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kurlcombobox.cpp
1/* This file is part of the KDE libraries
2 Copyright (C) 2000,2001 Carsten Pfeiffer <pfeiffer@kde.org>
3
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public
6 License version 2, as published by the Free Software Foundation.
7
8 This library is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 Library General Public License for more details.
12
13 You should have received a copy of the GNU Library General Public License
14 along with this library; see the file COPYING.LIB. If not, write to
15 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
16 Boston, MA 02110-1301, USA.
17*/
18
19#include <tqdir.h>
20#include <tqlistbox.h>
21
22#include <kdebug.h>
23#include <tdeglobal.h>
24#include <kiconloader.h>
25#include <tdelocale.h>
26#include <kmimetype.h>
27
28#include <kurlcombobox.h>
29
30class KURLComboBox::KURLComboBoxPrivate
31{
32public:
33 KURLComboBoxPrivate() {
34 dirpix = SmallIcon(TQString::fromLatin1("folder"));
35 }
36
37 TQPixmap dirpix;
38};
39
40
41KURLComboBox::KURLComboBox( Mode mode, TQWidget *parent, const char *name )
42 : KComboBox( parent, name )
43{
44 init( mode );
45}
46
47
48KURLComboBox::KURLComboBox( Mode mode, bool rw, TQWidget *parent,
49 const char *name )
50 : KComboBox( rw, parent, name )
51{
52 init( mode );
53}
54
55
56KURLComboBox::~KURLComboBox()
57{
58 delete d;
59}
60
61
62void KURLComboBox::init( Mode mode )
63{
64 d = new KURLComboBoxPrivate();
65
66 myMode = mode;
67 urlAdded = false;
68 myMaximum = 10; // default
69 itemList.setAutoDelete( true );
70 defaultList.setAutoDelete( true );
71 setInsertionPolicy( NoInsertion );
72 setTrapReturnKey( true );
73 setSizePolicy( TQSizePolicy( TQSizePolicy::Expanding, TQSizePolicy::Fixed ));
74
75 opendirPix = SmallIcon(TQString::fromLatin1("folder_open"));
76
77 connect( this, TQ_SIGNAL( activated( int )), TQ_SLOT( slotActivated( int )));
78}
79
80
81TQStringList KURLComboBox::urls() const
82{
83 kdDebug(250) << "::urls()" << endl;
84 //static const TQString &fileProt = TDEGlobal::staticQString("file:");
85 TQStringList list;
86 TQString url;
87 for ( int i = defaultList.count(); i < count(); i++ ) {
88 url = text( i );
89 if ( !url.isEmpty() ) {
90 //if ( url.at(0) == '/' )
91 // list.append( url.prepend( fileProt ) );
92 //else
93 list.append( url );
94 }
95 }
96
97 return list;
98}
99
100
101void KURLComboBox::addDefaultURL( const KURL& url, const TQString& text )
102{
103 addDefaultURL( url, getPixmap( url ), text );
104}
105
106
107void KURLComboBox::addDefaultURL( const KURL& url, const TQPixmap& pix,
108 const TQString& text )
109{
110 KURLComboItem *item = new KURLComboItem;
111 item->url = url;
112 item->pixmap = pix;
113 if ( text.isEmpty() )
114 if ( url.isLocalFile() )
115 item->text = url.path( myMode );
116 else
117 item->text = url.prettyURL( myMode );
118 else
119 item->text = text;
120
121 defaultList.append( item );
122}
123
124
125void KURLComboBox::setDefaults()
126{
127 clear();
128 itemMapper.clear();
129
130 KURLComboItem *item;
131 for ( unsigned int id = 0; id < defaultList.count(); id++ ) {
132 item = defaultList.at( id );
133 insertURLItem( item );
134 }
135}
136
137void KURLComboBox::setURLs( TQStringList urls )
138{
139 setURLs( urls, RemoveBottom );
140}
141
142void KURLComboBox::setURLs( TQStringList urls, OverLoadResolving remove )
143{
144 setDefaults();
145 itemList.clear();
146
147 if ( urls.isEmpty() )
148 return;
149
150 TQStringList::Iterator it = urls.begin();
151
152 // kill duplicates
153 TQString text;
154 while ( it != urls.end() ) {
155 while ( urls.contains( *it ) > 1 ) {
156 it = urls.remove( it );
157 continue;
158 }
159 ++it;
160 }
161
162 // limit to myMaximum items
163 /* Note: overload is an (old) C++ keyword, some compilers (KCC) choke
164 on that, so call it Overload (capital 'O'). (matz) */
165 int Overload = urls.count() - myMaximum + defaultList.count();
166 while ( Overload > 0 ) {
167 urls.remove((remove == RemoveBottom) ? urls.fromLast() : urls.begin());
168 Overload--;
169 }
170
171 it = urls.begin();
172
173 KURLComboItem *item = 0L;
174 KURL u;
175
176 while ( it != urls.end() ) {
177 if ( (*it).isEmpty() ) {
178 ++it;
179 continue;
180 }
181 u = KURL::fromPathOrURL( *it );
182
183 // Don't restore if file doesn't exist anymore
184 if (u.isLocalFile() && !TQFile::exists(u.path())) {
185 ++it;
186 continue;
187 }
188
189 item = new KURLComboItem;
190 item->url = u;
191 item->pixmap = getPixmap( u );
192
193 if ( u.isLocalFile() )
194 item->text = u.path( myMode ); // don't show file:/
195 else
196 item->text = *it;
197
198 insertURLItem( item );
199 itemList.append( item );
200 ++it;
201 }
202}
203
204
205void KURLComboBox::setURL( const KURL& url )
206{
207 if ( url.isEmpty() )
208 return;
209
210 blockSignals( true );
211
212 // check for duplicates
213 TQMap<int,const KURLComboItem*>::ConstIterator mit = itemMapper.begin();
214 TQString urlToInsert = url.url(-1);
215 while ( mit != itemMapper.end() ) {
216 if ( urlToInsert == mit.data()->url.url(-1) ) {
217 setCurrentItem( mit.key() );
218
219 if ( myMode == Directories )
220 updateItem( mit.data(), mit.key(), opendirPix );
221
222 blockSignals( false );
223 return;
224 }
225 ++mit;
226 }
227
228 // not in the combo yet -> create a new item and insert it
229
230 // first remove the old item
231 if ( urlAdded ) {
232 itemList.removeLast();
233 urlAdded = false;
234 }
235
236 setDefaults();
237
238 TQPtrListIterator<KURLComboItem> it( itemList );
239 for( ; it.current(); ++it )
240 insertURLItem( it.current() );
241
242 KURLComboItem *item = new KURLComboItem;
243 item->url = url;
244 item->pixmap = getPixmap( url );
245 if ( url.isLocalFile() )
246 item->text = url.path( myMode );
247 else
248 item->text = url.prettyURL( myMode );
249 kdDebug(250) << "setURL: text=" << item->text << endl;
250
251 int id = count();
252 TQString text = /*isEditable() ? item->url.prettyURL( myMode ) : */ item->text;
253
254 if ( myMode == Directories )
255 KComboBox::insertItem( opendirPix, text, id );
256 else
257 KComboBox::insertItem( item->pixmap, text, id );
258 itemMapper.insert( id, item );
259 itemList.append( item );
260
261 setCurrentItem( id );
262 urlAdded = true;
263 blockSignals( false );
264}
265
266
267void KURLComboBox::slotActivated( int index )
268{
269 const KURLComboItem *item = itemMapper[ index ];
270
271 if ( item ) {
272 setURL( item->url );
273 emit urlActivated( item->url );
274 }
275}
276
277
278void KURLComboBox::insertURLItem( const KURLComboItem *item )
279{
280// kdDebug(250) << "insertURLItem " << item->text << endl;
281 int id = count();
282 KComboBox::insertItem( item->pixmap, item->text, id );
283 itemMapper.insert( id, item );
284}
285
286
287void KURLComboBox::setMaxItems( int max )
288{
289 myMaximum = max;
290
291 if ( count() > myMaximum ) {
292 int oldCurrent = currentItem();
293
294 setDefaults();
295
296 TQPtrListIterator<KURLComboItem> it( itemList );
297 int Overload = itemList.count() - myMaximum + defaultList.count();
298 for ( int i = 0; i <= Overload; i++ )
299 ++it;
300
301 for( ; it.current(); ++it )
302 insertURLItem( it.current() );
303
304 if ( count() > 0 ) { // restore the previous currentItem
305 if ( oldCurrent >= count() )
306 oldCurrent = count() -1;
307 setCurrentItem( oldCurrent );
308 }
309 }
310}
311
312
313void KURLComboBox::removeURL( const KURL& url, bool checkDefaultURLs )
314{
315 TQMap<int,const KURLComboItem*>::ConstIterator mit = itemMapper.begin();
316 while ( mit != itemMapper.end() ) {
317 if ( url.url(-1) == mit.data()->url.url(-1) ) {
318 if ( !itemList.remove( mit.data() ) && checkDefaultURLs )
319 defaultList.remove( mit.data() );
320 }
321 ++mit;
322 }
323
324 blockSignals( true );
325 setDefaults();
326 TQPtrListIterator<KURLComboItem> it( itemList );
327 while ( it.current() ) {
328 insertURLItem( *it );
329 ++it;
330 }
331 blockSignals( false );
332}
333
334
335TQPixmap KURLComboBox::getPixmap( const KURL& url ) const
336{
337 if ( myMode == Directories )
338 return d->dirpix;
339 else
340 return KMimeType::pixmapForURL( url, 0, TDEIcon::Small );
341}
342
343
344// updates "item" with pixmap "pixmap" and sets the URL instead of text
345// works around a Qt bug.
346void KURLComboBox::updateItem( const KURLComboItem *item,
347 int index, const TQPixmap& pixmap )
348{
349 // TQComboBox::changeItem() doesn't honor the pixmap when
350 // using an editable combobox, so we just remove and insert
351 if ( editable() ) {
352 removeItem( index );
353 insertItem( pixmap,
354 item->url.isLocalFile() ? item->url.path( myMode ) :
355 item->url.prettyURL( myMode ),
356 index );
357 }
358 else
359 changeItem( pixmap, item->text, index );
360}
361
362
363#include "kurlcombobox.moc"
KURLComboBox::addDefaultURL
void addDefaultURL(const KURL &url, const TQString &text=TQString::null)
Adds a url that will always be shown in the combobox, it can't be "rotated away".
Definition: kurlcombobox.cpp:101
KURLComboBox::OverLoadResolving
OverLoadResolving
This Enumeration is used in setURL() to determine which items will be removed when the given list is ...
Definition: kurlcombobox.h:59
KURLComboBox::~KURLComboBox
~KURLComboBox()
Destructs the combo box.
Definition: kurlcombobox.cpp:56
KURLComboBox::setDefaults
void setDefaults()
Clears all items and inserts the default urls into the combo.
Definition: kurlcombobox.cpp:125
KURLComboBox::setURLs
void setURLs(TQStringList urls)
Inserts urls into the combobox below the "default urls" (see addDefaultURL).
Definition: kurlcombobox.cpp:137
KURLComboBox::urlActivated
void urlActivated(const KURL &url)
Emitted when an item was clicked at.
KURLComboBox::setURL
void setURL(const KURL &url)
Sets the current url.
Definition: kurlcombobox.cpp:205
KURLComboBox::urls
TQStringList urls() const
Definition: kurlcombobox.cpp:81
KURLComboBox::Mode
Mode
This enum describes which kind of items is shown in the combo box.
Definition: kurlcombobox.h:51
KURLComboBox::setMaxItems
void setMaxItems(int)
Sets how many items should be handled and displayed by the combobox.
Definition: kurlcombobox.cpp:287
KURLComboBox::updateItem
void updateItem(const KURLComboItem *item, int index, const TQPixmap &pix)
Updates item with pixmap and sets the url instead of the text of the KURLComboItem.
Definition: kurlcombobox.cpp:346
KURLComboBox::KURLComboBox
KURLComboBox(Mode mode, TQWidget *parent=0, const char *name=0)
Constructs a KURLComboBox.
Definition: kurlcombobox.cpp:41
KURLComboBox::removeURL
void removeURL(const KURL &url, bool checkDefaultURLs=true)
Removes any occurrence of url.
Definition: kurlcombobox.cpp:313
KURLComboBox::getPixmap
TQPixmap getPixmap(const KURL &url) const
Uses KMimeType::pixmapForURL() to return a proper pixmap for url.
Definition: kurlcombobox.cpp:335

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