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00022 #include <qfontmetrics.h>
00023 #include <qkeycode.h>
00024 #include <qlabel.h>
00025 #include <qpainter.h>
00026 #include <qpixmap.h>
00027 #include <qregexp.h>
00028 #include <qtimer.h>
00029 #include <qtooltip.h>
00030
00031 #include <kaction.h>
00032 #include <kapplication.h>
00033 #include <klocale.h>
00034 #include <kfileitem.h>
00035 #include <kiconeffect.h>
00036 #include <kglobalsettings.h>
00037 #include <kurldrag.h>
00038 #include <kio/previewjob.h>
00039
00040 #include "kfileiconview.h"
00041 #include "config-kfile.h"
00042
00043 KFileIconViewItem::~KFileIconViewItem()
00044 {
00045 fileInfo()->removeExtraData( iconView() );
00046 }
00047
00048 class KFileIconView::KFileIconViewPrivate
00049 {
00050 public:
00051 KFileIconViewPrivate( KFileIconView *parent ) {
00052 previewIconSize = 60;
00053 job = 0;
00054 dropItem = 0;
00055
00056 noArrangement = false;
00057 smallColumns = new KRadioAction( i18n("Small Icons"), 0, parent,
00058 SLOT( slotSmallColumns() ),
00059 parent->actionCollection(),
00060 "small columns" );
00061
00062 largeRows = new KRadioAction( i18n("Large Icons"), 0, parent,
00063 SLOT( slotLargeRows() ),
00064 parent->actionCollection(),
00065 "large rows" );
00066
00067 smallColumns->setExclusiveGroup(QString::fromLatin1("IconView mode"));
00068 largeRows->setExclusiveGroup(QString::fromLatin1("IconView mode"));
00069
00070 previews = new KToggleAction( i18n("Thumbnail Previews"), 0,
00071 parent->actionCollection(),
00072 "show previews" );
00073 zoomIn = KStdAction::zoomIn( parent, SLOT( zoomIn() ),
00074 parent->actionCollection(), "zoomIn" );
00075 zoomOut = KStdAction::zoomOut( parent, SLOT( zoomOut() ),
00076 parent->actionCollection(), "zoomOut" );
00077
00078 previews->setGroup("previews");
00079 zoomIn->setGroup("previews");
00080 zoomOut->setGroup("previews");
00081
00082 connect( previews, SIGNAL( toggled( bool )),
00083 parent, SLOT( slotPreviewsToggled( bool )));
00084
00085 connect( &previewTimer, SIGNAL( timeout() ),
00086 parent, SLOT( showPreviews() ));
00087 connect( &autoOpenTimer, SIGNAL( timeout() ),
00088 parent, SLOT( slotAutoOpen() ));
00089 }
00090
00091 ~KFileIconViewPrivate() {
00092 if ( job )
00093 job->kill();
00094 }
00095
00096 KRadioAction *smallColumns, *largeRows;
00097 KAction *zoomIn, *zoomOut;
00098 KToggleAction *previews;
00099 KIO::PreviewJob *job;
00100 KFileIconViewItem *dropItem;
00101 QTimer previewTimer;
00102 QTimer autoOpenTimer;
00103 QStringList previewMimeTypes;
00104 int previewIconSize;
00105 bool noArrangement :1;
00106 };
00107
00108 KFileIconView::KFileIconView(QWidget *parent, const char *name)
00109 : KIconView(parent, name), KFileView()
00110 {
00111 d = new KFileIconViewPrivate( this );
00112
00113 setViewName( i18n("Icon View") );
00114
00115 toolTip = 0;
00116 setResizeMode( Adjust );
00117 setMaxItemWidth( 300 );
00118 setWordWrapIconText( false );
00119 setArrangement( TopToBottom );
00120 setAutoArrange( true );
00121 setItemsMovable( false );
00122 setMode( KIconView::Select );
00123 KIconView::setSorting( true );
00124
00125
00126 setShowToolTips( false );
00127 slotSmallColumns();
00128 d->smallColumns->setChecked( true );
00129
00130 connect( this, SIGNAL( returnPressed(QIconViewItem *) ),
00131 SLOT( slotActivate( QIconViewItem *) ) );
00132
00133
00134 connect( this, SIGNAL( clicked(QIconViewItem *, const QPoint&) ),
00135 SLOT( selected( QIconViewItem *) ) );
00136 connect( this, SIGNAL( doubleClicked(QIconViewItem *, const QPoint&) ),
00137 SLOT( slotActivate( QIconViewItem *) ) );
00138
00139 connect( this, SIGNAL( onItem( QIconViewItem * ) ),
00140 SLOT( showToolTip( QIconViewItem * ) ) );
00141 connect( this, SIGNAL( onViewport() ),
00142 SLOT( removeToolTip() ) );
00143 connect( this, SIGNAL( contextMenuRequested(QIconViewItem*,const QPoint&)),
00144 SLOT( slotActivateMenu( QIconViewItem*, const QPoint& ) ) );
00145
00146 KFile::SelectionMode sm = KFileView::selectionMode();
00147 switch ( sm ) {
00148 case KFile::Multi:
00149 QIconView::setSelectionMode( QIconView::Multi );
00150 break;
00151 case KFile::Extended:
00152 QIconView::setSelectionMode( QIconView::Extended );
00153 break;
00154 case KFile::NoSelection:
00155 QIconView::setSelectionMode( QIconView::NoSelection );
00156 break;
00157 default:
00158 case KFile::Single:
00159 QIconView::setSelectionMode( QIconView::Single );
00160 break;
00161 }
00162
00163 if ( sm == KFile::Multi || sm == KFile::Extended )
00164 connect( this, SIGNAL( selectionChanged() ),
00165 SLOT( slotSelectionChanged() ));
00166 else
00167 connect( this, SIGNAL( selectionChanged( QIconViewItem * )),
00168 SLOT( highlighted( QIconViewItem * )));
00169
00170 viewport()->installEventFilter( this );
00171
00172
00173 m_resolver = new KMimeTypeResolver<KFileIconViewItem,KFileIconView>(this);
00174 }
00175
00176 KFileIconView::~KFileIconView()
00177 {
00178 delete m_resolver;
00179 removeToolTip();
00180 delete d;
00181 }
00182
00183 void KFileIconView::readConfig( KConfig *kc, const QString& group )
00184 {
00185 QString gr = group.isEmpty() ? QString("KFileIconView") : group;
00186 KConfigGroupSaver cs( kc, gr );
00187 QString small = QString::fromLatin1("SmallColumns");
00188 d->previewIconSize = kc->readNumEntry( "Preview Size", 60 );
00189 d->previews->setChecked( kc->readBoolEntry( "ShowPreviews", false ) );
00190
00191 if ( kc->readEntry("ViewMode", small ) == small ) {
00192 d->smallColumns->setChecked( true );
00193 slotSmallColumns();
00194 }
00195 else {
00196 d->largeRows->setChecked( true );
00197 slotLargeRows();
00198 }
00199
00200 if ( d->previews->isChecked() )
00201 showPreviews();
00202 }
00203
00204 void KFileIconView::writeConfig( KConfig *kc, const QString& group )
00205 {
00206 QString gr = group.isEmpty() ? QString("KFileIconView") : group;
00207 KConfigGroupSaver cs( kc, gr );
00208 kc->writeEntry( "ViewMode", d->smallColumns->isChecked() ?
00209 QString::fromLatin1("SmallColumns") :
00210 QString::fromLatin1("LargeRows") );
00211 kc->writeEntry( "Preview Size", d->previewIconSize );
00212 kc->writeEntry( "ShowPreviews", d->previews->isChecked() );
00213 }
00214
00215 void KFileIconView::removeToolTip()
00216 {
00217 delete toolTip;
00218 toolTip = 0;
00219 }
00220
00221 void KFileIconView::showToolTip( QIconViewItem *item )
00222 {
00223 delete toolTip;
00224 toolTip = 0;
00225
00226 if ( !item )
00227 return;
00228
00229 int w = maxItemWidth() - ( itemTextPos() == QIconView::Bottom ? 0 :
00230 item->pixmapRect().width() ) - 4;
00231 if ( fontMetrics().width( item->text() ) >= w ) {
00232 toolTip = new QLabel( QString::fromLatin1(" %1 ").arg(item->text()), 0,
00233 "myToolTip",
00234 WStyle_StaysOnTop | WStyle_Customize | WStyle_NoBorder | WStyle_Tool | WX11BypassWM );
00235 toolTip->setFrameStyle( QFrame::Plain | QFrame::Box );
00236 toolTip->setLineWidth( 1 );
00237 toolTip->setAlignment( AlignLeft | AlignTop );
00238 toolTip->move( QCursor::pos() + QPoint( 14, 14 ) );
00239 toolTip->adjustSize();
00240 QRect screen = QApplication::desktop()->screenGeometry(
00241 QApplication::desktop()->screenNumber(QCursor::pos()));
00242 if (toolTip->x()+toolTip->width() > screen.right()) {
00243 toolTip->move(toolTip->x()+screen.right()-toolTip->x()-toolTip->width(), toolTip->y());
00244 }
00245 if (toolTip->y()+toolTip->height() > screen.bottom()) {
00246 toolTip->move(toolTip->x(), screen.bottom()-toolTip->y()-toolTip->height()+toolTip->y());
00247 }
00248 toolTip->setFont( QToolTip::font() );
00249 toolTip->setPalette( QToolTip::palette(), true );
00250 toolTip->show();
00251 }
00252 }
00253
00254 void KFileIconView::slotActivateMenu( QIconViewItem* item, const QPoint& pos )
00255 {
00256 if ( !item ) {
00257 sig->activateMenu( 0, pos );
00258 return;
00259 }
00260 KFileIconViewItem *i = (KFileIconViewItem*) item;
00261 sig->activateMenu( i->fileInfo(), pos );
00262 }
00263
00264 void KFileIconView::hideEvent( QHideEvent *e )
00265 {
00266 removeToolTip();
00267 KIconView::hideEvent( e );
00268 }
00269
00270 void KFileIconView::keyPressEvent( QKeyEvent *e )
00271 {
00272 KIconView::keyPressEvent( e );
00273
00274
00275 if ( (e->state() & ControlButton) &&
00276 (e->key() == Key_Return || e->key() == Key_Enter) )
00277 e->ignore();
00278 }
00279
00280 void KFileIconView::setSelected( const KFileItem *info, bool enable )
00281 {
00282 KFileIconViewItem *item = viewItem( info );
00283 if ( item )
00284 KIconView::setSelected( item, enable, true );
00285 }
00286
00287 void KFileIconView::selectAll()
00288 {
00289 if (KFileView::selectionMode() == KFile::NoSelection ||
00290 KFileView::selectionMode() == KFile::Single)
00291 return;
00292
00293 KIconView::selectAll( true );
00294 }
00295
00296 void KFileIconView::clearSelection()
00297 {
00298 KIconView::clearSelection();
00299 }
00300
00301 void KFileIconView::invertSelection()
00302 {
00303 KIconView::invertSelection();
00304 }
00305
00306 void KFileIconView::clearView()
00307 {
00308 m_resolver->m_lstPendingMimeIconItems.clear();
00309
00310 KIconView::clear();
00311 stopPreview();
00312 }
00313
00314 void KFileIconView::insertItem( KFileItem *i )
00315 {
00316 KFileView::insertItem( i );
00317
00318 QIconView* qview = static_cast<QIconView*>( this );
00319
00320
00321 qview->setUpdatesEnabled( false );
00322 KFileIconViewItem *item = new KFileIconViewItem( qview, i );
00323 initItem( item, i, true );
00324 qview->setUpdatesEnabled( true );
00325
00326 if ( !i->isMimeTypeKnown() )
00327 m_resolver->m_lstPendingMimeIconItems.append( item );
00328
00329 i->setExtraData( this, item );
00330 }
00331
00332 void KFileIconView::slotActivate( QIconViewItem *item )
00333 {
00334 if ( !item )
00335 return;
00336 const KFileItem *fi = ( (KFileIconViewItem*)item )->fileInfo();
00337 if ( fi )
00338 sig->activate( fi );
00339 }
00340
00341 void KFileIconView::selected( QIconViewItem *item )
00342 {
00343 if ( !item || (KApplication::keyboardModifiers() & (KApplication::ShiftModifier | KApplication::ControlModifier)) != 0 )
00344 return;
00345
00346 if ( KGlobalSettings::singleClick() ) {
00347 const KFileItem *fi = ( (KFileIconViewItem*)item )->fileInfo();
00348 if ( fi && (fi->isDir() || !onlyDoubleClickSelectsFiles()) )
00349 sig->activate( fi );
00350 }
00351 }
00352
00353 void KFileIconView::setCurrentItem( const KFileItem *item )
00354 {
00355 KFileIconViewItem *it = viewItem( item );
00356 if ( it )
00357 KIconView::setCurrentItem( it );
00358 }
00359
00360 KFileItem * KFileIconView::currentFileItem() const
00361 {
00362 KFileIconViewItem *current = static_cast<KFileIconViewItem*>( currentItem() );
00363 if ( current )
00364 return current->fileInfo();
00365
00366 return 0L;
00367 }
00368
00369 void KFileIconView::highlighted( QIconViewItem *item )
00370 {
00371 if ( !item )
00372 return;
00373 const KFileItem *fi = ( (KFileIconViewItem*)item )->fileInfo();
00374 if ( fi )
00375 sig->highlightFile( fi );
00376 }
00377
00378 void KFileIconView::setSelectionMode( KFile::SelectionMode sm )
00379 {
00380 disconnect( SIGNAL( selectionChanged() ), this );
00381 disconnect( SIGNAL( selectionChanged( QIconViewItem * )), this );
00382
00383 KFileView::setSelectionMode( sm );
00384 switch ( KFileView::selectionMode() ) {
00385 case KFile::Multi:
00386 QIconView::setSelectionMode( QIconView::Multi );
00387 break;
00388 case KFile::Extended:
00389 QIconView::setSelectionMode( QIconView::Extended );
00390 break;
00391 case KFile::NoSelection:
00392 QIconView::setSelectionMode( QIconView::NoSelection );
00393 break;
00394 default:
00395 case KFile::Single:
00396 QIconView::setSelectionMode( QIconView::Single );
00397 break;
00398 }
00399
00400 if ( sm == KFile::Multi || sm == KFile::Extended )
00401 connect( this, SIGNAL( selectionChanged() ),
00402 SLOT( slotSelectionChanged() ));
00403 else
00404 connect( this, SIGNAL( selectionChanged( QIconViewItem * )),
00405 SLOT( highlighted( QIconViewItem * )));
00406 }
00407
00408 bool KFileIconView::isSelected( const KFileItem *i ) const
00409 {
00410 KFileIconViewItem *item = viewItem( i );
00411 return (item && item->isSelected());
00412 }
00413
00414 void KFileIconView::updateView( bool b )
00415 {
00416 if ( !b )
00417 return;
00418
00419 KFileIconViewItem *item = static_cast<KFileIconViewItem*>(QIconView::firstItem());
00420 if ( item ) {
00421 do {
00422 if ( d->previews->isChecked() ) {
00423 if ( canPreview( item->fileInfo() ) )
00424 item->setPixmapSize( QSize( d->previewIconSize, d->previewIconSize ) );
00425 }
00426 else {
00427
00428 if ( !item->pixmapSize().isNull() )
00429 item->setPixmapSize( QSize( 0, 0 ) );
00430 }
00431
00432 item->setPixmap( (item->fileInfo())->pixmap( myIconSize ), true, false );
00433 item = static_cast<KFileIconViewItem *>(item->nextItem());
00434 } while ( item != 0L );
00435 }
00436 }
00437
00438 void KFileIconView::updateView( const KFileItem *i )
00439 {
00440 KFileIconViewItem *item = viewItem( i );
00441 if ( item )
00442 initItem( item, i, true );
00443 }
00444
00445 void KFileIconView::removeItem( const KFileItem *i )
00446 {
00447 if ( !i )
00448 return;
00449
00450 KFileIconViewItem *item = viewItem( i );
00451 m_resolver->m_lstPendingMimeIconItems.remove( item );
00452 delete item;
00453
00454 KFileView::removeItem( i );
00455 }
00456
00457 void KFileIconView::setIconSize( int size )
00458 {
00459 myIconSize = size;
00460 updateIcons();
00461 }
00462
00463 void KFileIconView::setPreviewSize( int size )
00464 {
00465 if ( size < 30 )
00466 size = 30;
00467
00468 d->previewIconSize = size;
00469 if ( d->previews->isChecked() )
00470 showPreviews();
00471 }
00472
00473 void KFileIconView::updateIcons()
00474 {
00475 updateView( true );
00476 arrangeItemsInGrid();
00477 }
00478
00479 void KFileIconView::ensureItemVisible( const KFileItem *i )
00480 {
00481 KFileIconViewItem *item = viewItem( i );
00482 if ( item )
00483 KIconView::ensureItemVisible( item );
00484 }
00485
00486 void KFileIconView::slotSelectionChanged()
00487 {
00488 sig->highlightFile( 0L );
00489 }
00490
00491 void KFileIconView::slotSmallColumns()
00492 {
00493
00494
00495 d->noArrangement = true;
00496
00497
00498 if ( d->previews->isChecked() )
00499 {
00500 stopPreview();
00501 d->previews->setChecked( false );
00502 }
00503 setGridX( -1 );
00504 setMaxItemWidth( 300 );
00505 setItemTextPos( Right );
00506 setArrangement( TopToBottom );
00507 setWordWrapIconText( false );
00508 setSpacing( 0 );
00509
00510 d->noArrangement = false;
00511 setIconSize( KIcon::SizeSmall );
00512 }
00513
00514 void KFileIconView::slotLargeRows()
00515 {
00516
00517
00518 d->noArrangement = true;
00519
00520 setGridX( KGlobal::iconLoader()->currentSize( KIcon::Desktop ) + 50 );
00521 setItemTextPos( Bottom );
00522 setArrangement( LeftToRight );
00523 setWordWrapIconText( true );
00524 setSpacing( 5 );
00525
00526 d->noArrangement = false;
00527 setIconSize( KIcon::SizeMedium );
00528 }
00529
00530 void KFileIconView::stopPreview()
00531 {
00532 if ( d->job ) {
00533 d->job->kill();
00534 d->job = 0L;
00535 }
00536 }
00537
00538 void KFileIconView::slotPreviewsToggled( bool on )
00539 {
00540 if ( on )
00541 showPreviews();
00542 else {
00543 stopPreview();
00544 slotLargeRows();
00545 }
00546 }
00547
00548 void KFileIconView::showPreviews()
00549 {
00550 if ( d->previewMimeTypes.isEmpty() )
00551 d->previewMimeTypes = KIO::PreviewJob::supportedMimeTypes();
00552
00553 stopPreview();
00554 d->previews->setChecked( true );
00555
00556 if ( !d->largeRows->isChecked() ) {
00557 d->largeRows->setChecked( true );
00558 slotLargeRows();
00559 }
00560 else {
00561 updateIcons();
00562 }
00563
00564 d->job = KIO::filePreview(*items(), d->previewIconSize,d->previewIconSize);
00565
00566 connect( d->job, SIGNAL( result( KIO::Job * )),
00567 this, SLOT( slotPreviewResult( KIO::Job * )));
00568 connect( d->job, SIGNAL( gotPreview( const KFileItem*, const QPixmap& )),
00569 SLOT( gotPreview( const KFileItem*, const QPixmap& ) ));
00570
00571
00572 }
00573
00574 void KFileIconView::slotPreviewResult( KIO::Job *job )
00575 {
00576 if ( job == d->job )
00577 d->job = 0L;
00578 }
00579
00580 void KFileIconView::gotPreview( const KFileItem *item, const QPixmap& pix )
00581 {
00582 KFileIconViewItem *it = viewItem( item );
00583 if ( it )
00584 if( item->overlays() & KIcon::HiddenOverlay )
00585 {
00586 QPixmap p( pix );
00587
00588 KIconEffect::semiTransparent( p );
00589 it->setPixmap( p );
00590 }
00591 else
00592 it->setPixmap( pix );
00593 }
00594
00595 bool KFileIconView::canPreview( const KFileItem *item ) const
00596 {
00597 QStringList::Iterator it = d->previewMimeTypes.begin();
00598 QRegExp r;
00599 r.setWildcard( true );
00600
00601 for ( ; it != d->previewMimeTypes.end(); ++it ) {
00602 QString type = *it;
00603
00604 if ( type.at( type.length() - 1 ) == '*' ) {
00605 r.setPattern( type );
00606 if ( r.search( item->mimetype() ) != -1 )
00607 return true;
00608 }
00609 else
00610 if ( item->mimetype() == type )
00611 return true;
00612 }
00613
00614 return false;
00615 }
00616
00617 KFileItem * KFileIconView::firstFileItem() const
00618 {
00619 KFileIconViewItem *item = static_cast<KFileIconViewItem*>( firstItem() );
00620 if ( item )
00621 return item->fileInfo();
00622 return 0L;
00623 }
00624
00625 KFileItem * KFileIconView::nextItem( const KFileItem *fileItem ) const
00626 {
00627 if ( fileItem ) {
00628 KFileIconViewItem *item = viewItem( fileItem );
00629 if ( item && item->nextItem() )
00630 return ((KFileIconViewItem*) item->nextItem())->fileInfo();
00631 }
00632 return 0L;
00633 }
00634
00635 KFileItem * KFileIconView::prevItem( const KFileItem *fileItem ) const
00636 {
00637 if ( fileItem ) {
00638 KFileIconViewItem *item = viewItem( fileItem );
00639 if ( item && item->prevItem() )
00640 return ((KFileIconViewItem*) item->prevItem())->fileInfo();
00641 }
00642 return 0L;
00643 }
00644
00645 void KFileIconView::setSorting( QDir::SortSpec spec )
00646 {
00647 KFileView::setSorting( spec );
00648 KFileItemListIterator it( *items() );
00649
00650 KFileItem *item;
00651
00652 if ( spec & QDir::Time ) {
00653 for ( ; (item = it.current()); ++it )
00654
00655 viewItem(item)->setKey( sortingKey( (unsigned long)item->time( KIO::UDS_MODIFICATION_TIME ), item->isDir(), spec ));
00656 }
00657
00658 else if ( spec & QDir::Size ) {
00659 for ( ; (item = it.current()); ++it )
00660 viewItem(item)->setKey( sortingKey( item->size(), item->isDir(),
00661 spec ));
00662 }
00663 else {
00664 for ( ; (item = it.current()); ++it )
00665 viewItem(item)->setKey( sortingKey( item->text(), item->isDir(),
00666 spec ));
00667 }
00668
00669 KIconView::setSorting( true, !isReversed() );
00670 sort( !isReversed() );
00671 }
00672
00673
00674
00675
00676 void KFileIconView::mimeTypeDeterminationFinished()
00677 {
00678
00679 }
00680
00681 void KFileIconView::determineIcon( KFileIconViewItem *item )
00682 {
00683 (void) item->fileInfo()->determineMimeType();
00684 updateView( item->fileInfo() );
00685 }
00686
00687 void KFileIconView::listingCompleted()
00688 {
00689 arrangeItemsInGrid();
00690
00691
00692
00693 if ( !currentItem() ) {
00694 bool block = signalsBlocked();
00695 blockSignals( true );
00696 QIconViewItem *item = viewItem( firstFileItem() );
00697 KIconView::setCurrentItem( item );
00698 KIconView::setSelected( item, false );
00699 blockSignals( block );
00700 }
00701
00702 m_resolver->start( d->previews->isChecked() ? 0 : 10 );
00703 }
00704
00705
00706 bool KFileIconView::eventFilter( QObject *o, QEvent *e )
00707 {
00708 if ( o == viewport() || o == this ) {
00709 int type = e->type();
00710 if ( type == QEvent::Leave ||
00711 type == QEvent::FocusOut )
00712 removeToolTip();
00713 }
00714
00715 return KIconView::eventFilter( o, e );
00716 }
00717
00719
00720
00721 void KFileIconView::showEvent( QShowEvent *e )
00722 {
00723 KIconView::showEvent( e );
00724 }
00725
00726
00727 void KFileIconView::initItem( KFileIconViewItem *item, const KFileItem *i,
00728 bool updateTextAndPixmap )
00729 {
00730 if ( d->previews->isChecked() && canPreview( i ) )
00731 item->setPixmapSize( QSize( d->previewIconSize, d->previewIconSize ) );
00732
00733 if ( updateTextAndPixmap )
00734 {
00735
00736
00737
00738 item->setText( i->text() , false, false );
00739 item->setPixmap( i->pixmap( myIconSize ) );
00740 }
00741
00742
00743 QDir::SortSpec spec = KFileView::sorting();
00744
00745 if ( spec & QDir::Time )
00746
00747 item->setKey( sortingKey( (unsigned long) i->time( KIO::UDS_MODIFICATION_TIME ),
00748 i->isDir(), spec ));
00749 else if ( spec & QDir::Size )
00750 item->setKey( sortingKey( i->size(), i->isDir(), spec ));
00751
00752 else
00753 item->setKey( sortingKey( i->text(), i->isDir(), spec ));
00754
00755
00756
00757 if ( d->previews->isChecked() )
00758 d->previewTimer.start( 10, true );
00759 }
00760
00761 void KFileIconView::arrangeItemsInGrid( bool update )
00762 {
00763 if ( d->noArrangement )
00764 return;
00765
00766 KIconView::arrangeItemsInGrid( update );
00767 }
00768
00769 void KFileIconView::zoomIn()
00770 {
00771 setPreviewSize( d->previewIconSize + 30 );
00772 }
00773
00774 void KFileIconView::zoomOut()
00775 {
00776 setPreviewSize( d->previewIconSize - 30 );
00777 }
00778
00779 QDragObject *KFileIconView::dragObject()
00780 {
00781
00782 KURL::List urls;
00783 KFileItemListIterator it( * KFileView::selectedItems() );
00784 for ( ; it.current(); ++it ){
00785 urls.append( (*it)->url() );
00786 }
00787 QPixmap pixmap;
00788 if( urls.count() > 1 )
00789 pixmap = DesktopIcon( "kmultiple", iconSize() );
00790 if( pixmap.isNull() )
00791 pixmap = currentFileItem()->pixmap( iconSize() );
00792
00793 QPoint hotspot;
00794 hotspot.setX( pixmap.width() / 2 );
00795 hotspot.setY( pixmap.height() / 2 );
00796 QDragObject* myDragObject = new KURLDrag( urls, widget() );
00797 myDragObject->setPixmap( pixmap, hotspot );
00798 return myDragObject;
00799 }
00800
00801 void KFileIconView::slotAutoOpen()
00802 {
00803 d->autoOpenTimer.stop();
00804 if( !d->dropItem )
00805 return;
00806
00807 KFileItem *fileItem = d->dropItem->fileInfo();
00808 if (!fileItem)
00809 return;
00810
00811 if( fileItem->isFile() )
00812 return;
00813
00814 if ( fileItem->isDir() || fileItem->isLink())
00815 sig->activate( fileItem );
00816 }
00817
00818 bool KFileIconView::acceptDrag(QDropEvent* e) const
00819 {
00820 return KURLDrag::canDecode( e ) &&
00821 (e->source()!=const_cast<KFileIconView*>(this)) &&
00822 ( e->action() == QDropEvent::Copy
00823 || e->action() == QDropEvent::Move
00824 || e->action() == QDropEvent::Link );
00825 }
00826
00827 void KFileIconView::contentsDragEnterEvent( QDragEnterEvent *e )
00828 {
00829 if ( ! acceptDrag( e ) ) {
00830 e->ignore();
00831 return;
00832 }
00833 e->acceptAction();
00834
00835 if ((dropOptions() & AutoOpenDirs) == 0)
00836 return;
00837
00838 KFileIconViewItem *item = dynamic_cast<KFileIconViewItem*>(findItem( contentsToViewport( e->pos() ) ));
00839 if ( item ) {
00840 d->dropItem = item;
00841 d->autoOpenTimer.start( autoOpenDelay() );
00842 }
00843 else
00844 {
00845 d->dropItem = 0;
00846 d->autoOpenTimer.stop();
00847 }
00848 }
00849
00850 void KFileIconView::contentsDragMoveEvent( QDragMoveEvent *e )
00851 {
00852 if ( ! acceptDrag( e ) ) {
00853 e->ignore();
00854 return;
00855 }
00856 e->acceptAction();
00857
00858 if ((dropOptions() & AutoOpenDirs) == 0)
00859 return;
00860
00861 KFileIconViewItem *item = dynamic_cast<KFileIconViewItem*>(findItem( contentsToViewport( e->pos() ) ));
00862 if ( item ) {
00863 if (d->dropItem != item)
00864 {
00865 d->dropItem = item;
00866 d->autoOpenTimer.start( autoOpenDelay() );
00867 }
00868 }
00869 else
00870 {
00871 d->dropItem = 0;
00872 d->autoOpenTimer.stop();
00873 }
00874 }
00875
00876 void KFileIconView::contentsDragLeaveEvent( QDragLeaveEvent * )
00877 {
00878 d->dropItem = 0;
00879 d->autoOpenTimer.stop();
00880 }
00881
00882 void KFileIconView::contentsDropEvent( QDropEvent *e )
00883 {
00884 d->dropItem = 0;
00885 d->autoOpenTimer.stop();
00886
00887 if ( ! acceptDrag( e ) ) {
00888 e->ignore();
00889 return;
00890 }
00891 e->acceptAction();
00892
00893 KFileIconViewItem *item = dynamic_cast<KFileIconViewItem*>(findItem( contentsToViewport( e->pos() ) ));
00894 KFileItem * fileItem = 0;
00895 if (item)
00896 fileItem = item->fileInfo();
00897
00898 emit dropped(e, fileItem);
00899
00900 KURL::List urls;
00901 if (KURLDrag::decode( e, urls ) && !urls.isEmpty())
00902 {
00903 emit dropped(e, urls, fileItem ? fileItem->url() : KURL());
00904 sig->dropURLs(fileItem, e, urls);
00905 }
00906 }
00907
00908 void KFileIconView::virtual_hook( int id, void* data )
00909 { KIconView::virtual_hook( id, data );
00910 KFileView::virtual_hook( id, data ); }
00911
00912 #include "kfileiconview.moc"