diff options
Diffstat (limited to 'tdeio/tdefile/tdefileiconview.cpp')
| -rw-r--r-- | tdeio/tdefile/tdefileiconview.cpp | 943 |
1 files changed, 943 insertions, 0 deletions
diff --git a/tdeio/tdefile/tdefileiconview.cpp b/tdeio/tdefile/tdefileiconview.cpp new file mode 100644 index 000000000..92bbeba41 --- /dev/null +++ b/tdeio/tdefile/tdefileiconview.cpp @@ -0,0 +1,943 @@ +// -*- c++ -*- +/* This file is part of the KDE libraries + Copyright (C) 1997 Stephan Kulow <coolo@kde.org> + 2000,2001,2002 Carsten Pfeiffer <pfeiffer@kde.org> + + This library 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, or (at your option) any later version. + + This library 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 library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ +#include <tqt.h> + +#include <tqfontmetrics.h> +#include <tqkeycode.h> +#include <tqlabel.h> +#include <tqpainter.h> +#include <tqpixmap.h> +#include <tqregexp.h> +#include <tqtimer.h> +#include <tqtooltip.h> + +#include <tdeaction.h> +#include <tdeapplication.h> +#include <tdelocale.h> +#include <tdefileitem.h> +#include <kiconeffect.h> +#include <tdeglobalsettings.h> +#include <kurldrag.h> +#include <tdeio/previewjob.h> + +#include "tdefileiconview.h" +#include "config-tdefile.h" + +#define DEFAULT_PREVIEW_SIZE 60 +#define DEFAULT_SHOW_PREVIEWS false +#define DEFAULT_VIEW_MODE "SmallColumns" + +KFileIconViewItem::~KFileIconViewItem() +{ + fileInfo()->removeExtraData( iconView() ); +} + +class KFileIconView::KFileIconViewPrivate +{ +public: + KFileIconViewPrivate( KFileIconView *parent ) { + previewIconSize = 60; + job = 0; + dropItem = 0; + + noArrangement = false; + ignoreMaximumSize = false; + smallColumns = new TDERadioAction( i18n("Small Icons"), 0, TQT_TQOBJECT(parent), + TQT_SLOT( slotSmallColumns() ), + parent->actionCollection(), + "small columns" ); + + largeRows = new TDERadioAction( i18n("Large Icons"), 0, TQT_TQOBJECT(parent), + TQT_SLOT( slotLargeRows() ), + parent->actionCollection(), + "large rows" ); + + smallColumns->setExclusiveGroup(TQString::fromLatin1("IconView mode")); + largeRows->setExclusiveGroup(TQString::fromLatin1("IconView mode")); + + previews = new TDEToggleAction( i18n("Thumbnail Previews"), 0, + parent->actionCollection(), + "show previews" ); + zoomIn = KStdAction::zoomIn( TQT_TQOBJECT(parent), TQT_SLOT( zoomIn() ), + parent->actionCollection(), "zoomIn" ); + zoomOut = KStdAction::zoomOut( TQT_TQOBJECT(parent), TQT_SLOT( zoomOut() ), + parent->actionCollection(), "zoomOut" ); + + previews->setGroup("previews"); + zoomIn->setGroup("previews"); + zoomOut->setGroup("previews"); + + connect( previews, TQT_SIGNAL( toggled( bool )), + parent, TQT_SLOT( slotPreviewsToggled( bool ))); + + connect( &previewTimer, TQT_SIGNAL( timeout() ), + parent, TQT_SLOT( showPreviews() )); + connect( &autoOpenTimer, TQT_SIGNAL( timeout() ), + parent, TQT_SLOT( slotAutoOpen() )); + } + + ~KFileIconViewPrivate() { + if ( job ) + job->kill(); + } + + TDERadioAction *smallColumns, *largeRows; + TDEAction *zoomIn, *zoomOut; + TDEToggleAction *previews; + TDEIO::PreviewJob *job; + KFileIconViewItem *dropItem; + TQTimer previewTimer; + TQTimer autoOpenTimer; + TQStringList previewMimeTypes; + int previewIconSize; + bool noArrangement :1; + bool ignoreMaximumSize :1; +}; + +KFileIconView::KFileIconView(TQWidget *parent, const char *name) + : TDEIconView(parent, name), KFileView() +{ + d = new KFileIconViewPrivate( this ); + + setViewName( i18n("Icon View") ); + + toolTip = 0; + setResizeMode( Adjust ); + setMaxItemWidth( 300 ); + setWordWrapIconText( false ); + setArrangement( TopToBottom ); + setAutoArrange( true ); + setItemsMovable( false ); + setMode( TDEIconView::Select ); + TDEIconView::setSorting( true ); + // as long as TQIconView only shows tooltips when the cursor is over the + // icon (and not the text), we have to create our own tooltips + setShowToolTips( false ); + slotSmallColumns(); + d->smallColumns->setChecked( true ); + + connect( this, TQT_SIGNAL( returnPressed(TQIconViewItem *) ), + TQT_SLOT( slotActivate( TQIconViewItem *) ) ); + + // we want single click _and_ double click (as convenience) + connect( this, TQT_SIGNAL( clicked(TQIconViewItem *, const TQPoint&) ), + TQT_SLOT( selected( TQIconViewItem *) ) ); + connect( this, TQT_SIGNAL( doubleClicked(TQIconViewItem *, const TQPoint&) ), + TQT_SLOT( slotActivate( TQIconViewItem *) ) ); + + connect( this, TQT_SIGNAL( onItem( TQIconViewItem * ) ), + TQT_SLOT( showToolTip( TQIconViewItem * ) ) ); + connect( this, TQT_SIGNAL( onViewport() ), + TQT_SLOT( removeToolTip() ) ); + connect( this, TQT_SIGNAL( contextMenuRequested(TQIconViewItem*,const TQPoint&)), + TQT_SLOT( slotActivateMenu( TQIconViewItem*, const TQPoint& ) ) ); + + KFile::SelectionMode sm = KFileView::selectionMode(); + switch ( sm ) { + case KFile::Multi: + TQIconView::setSelectionMode( TQIconView::Multi ); + break; + case KFile::Extended: + TQIconView::setSelectionMode( TQIconView::Extended ); + break; + case KFile::NoSelection: + TQIconView::setSelectionMode( TQIconView::NoSelection ); + break; + default: // fall through + case KFile::Single: + TQIconView::setSelectionMode( TQIconView::Single ); + break; + } + + if ( sm == KFile::Multi || sm == KFile::Extended ) + connect( this, TQT_SIGNAL( selectionChanged() ), + TQT_SLOT( slotSelectionChanged() )); + else + connect( this, TQT_SIGNAL( selectionChanged( TQIconViewItem * )), + TQT_SLOT( highlighted( TQIconViewItem * ))); + + viewport()->installEventFilter( this ); + + // for mimetype resolving + m_resolver = new KMimeTypeResolver<KFileIconViewItem,KFileIconView>(this); +} + +KFileIconView::~KFileIconView() +{ + delete m_resolver; + removeToolTip(); + delete d; +} + +void KFileIconView::readConfig( TDEConfig *kc, const TQString& group ) +{ + TQString gr = group.isEmpty() ? TQString("KFileIconView") : group; + TDEConfigGroupSaver cs( kc, gr ); + TQString small = TQString::fromLatin1("SmallColumns"); + d->previewIconSize = kc->readNumEntry( "Preview Size", DEFAULT_PREVIEW_SIZE ); + d->previews->setChecked( kc->readBoolEntry( "ShowPreviews", DEFAULT_SHOW_PREVIEWS ) ); + + if ( kc->readEntry("ViewMode", DEFAULT_VIEW_MODE ) == small ) { + d->smallColumns->setChecked( true ); + slotSmallColumns(); + } + else { + d->largeRows->setChecked( true ); + slotLargeRows(); + } + + if ( d->previews->isChecked() ) + showPreviews(); +} + +void KFileIconView::writeConfig( TDEConfig *kc, const TQString& group ) +{ + TQString gr = group.isEmpty() ? TQString("KFileIconView") : group; + TDEConfigGroupSaver cs( kc, gr ); + + TQString viewMode = d->smallColumns->isChecked() ? + TQString::fromLatin1("SmallColumns") : + TQString::fromLatin1("LargeRows"); + if(!kc->hasDefault( "ViewMode" ) && viewMode == DEFAULT_VIEW_MODE ) + kc->revertToDefault( "ViewMode" ); + else + kc->writeEntry( "ViewMode", viewMode ); + + int previewsIconSize = d->previewIconSize; + if(!kc->hasDefault( "Preview Size" ) && previewsIconSize == DEFAULT_PREVIEW_SIZE ) + kc->revertToDefault( "Preview Size" ); + else + kc->writeEntry( "Preview Size", previewsIconSize ); + + bool showPreviews = d->previews->isChecked(); + if(!kc->hasDefault( "ShowPreviews" ) && showPreviews == DEFAULT_SHOW_PREVIEWS ) + kc->revertToDefault( "ShowPreviews" ); + else + kc->writeEntry( "ShowPreviews", showPreviews ); +} + +void KFileIconView::removeToolTip() +{ + delete toolTip; + toolTip = 0; +} + +void KFileIconView::showToolTip( TQIconViewItem *item ) +{ + delete toolTip; + toolTip = 0; + + if ( !item ) + return; + + int w = maxItemWidth() - ( itemTextPos() == TQIconView::Bottom ? 0 : + item->pixmapRect().width() ) - 4; + if ( fontMetrics().width( item->text() ) >= w ) { + toolTip = new TQLabel( TQString::fromLatin1(" %1 ").arg(item->text()), 0, + "myToolTip", + (WFlags)(WStyle_StaysOnTop | WStyle_Customize | WStyle_NoBorder | WStyle_Tool | WX11BypassWM) ); + toolTip->setFrameStyle( TQFrame::Plain | TQFrame::Box ); + toolTip->setLineWidth( 1 ); + toolTip->setAlignment( AlignLeft | AlignTop ); + toolTip->move( TQCursor::pos() + TQPoint( 14, 14 ) ); + toolTip->adjustSize(); + TQRect screen = TQApplication::desktop()->screenGeometry( + TQApplication::desktop()->screenNumber(TQCursor::pos())); + if (toolTip->x()+toolTip->width() > screen.right()) { + toolTip->move(toolTip->x()+screen.right()-toolTip->x()-toolTip->width(), toolTip->y()); + } + if (toolTip->y()+toolTip->height() > screen.bottom()) { + toolTip->move(toolTip->x(), screen.bottom()-toolTip->y()-toolTip->height()+toolTip->y()); + } + toolTip->setFont( TQToolTip::font() ); + toolTip->setPalette( TQToolTip::palette(), true ); + toolTip->show(); + } +} + +void KFileIconView::slotActivateMenu( TQIconViewItem* item, const TQPoint& pos ) +{ + if ( !item ) { + sig->activateMenu( 0, pos ); + return; + } + KFileIconViewItem *i = (KFileIconViewItem*) item; + sig->activateMenu( i->fileInfo(), pos ); +} + +void KFileIconView::hideEvent( TQHideEvent *e ) +{ + removeToolTip(); + TDEIconView::hideEvent( e ); +} + +void KFileIconView::keyPressEvent( TQKeyEvent *e ) +{ + TDEIconView::keyPressEvent( e ); + + // ignore Ctrl-Return so that the dialog can catch it. + if ( (e->state() & ControlButton) && + (e->key() == Key_Return || e->key() == Key_Enter) ) + e->ignore(); +} + +void KFileIconView::setSelected( const KFileItem *info, bool enable ) +{ + KFileIconViewItem *item = viewItem( info ); + if ( item ) + TDEIconView::setSelected( item, enable, true ); +} + +void KFileIconView::selectAll() +{ + if (KFileView::selectionMode() == KFile::NoSelection || + KFileView::selectionMode() == KFile::Single) + return; + + TDEIconView::selectAll( true ); +} + +void KFileIconView::clearSelection() +{ + TDEIconView::clearSelection(); +} + +void KFileIconView::invertSelection() +{ + TDEIconView::invertSelection(); +} + +void KFileIconView::clearView() +{ + m_resolver->m_lstPendingMimeIconItems.clear(); + + TDEIconView::clear(); + stopPreview(); +} + +void KFileIconView::insertItem( KFileItem *i ) +{ + KFileView::insertItem( i ); + + TQIconView* qview = static_cast<TQIconView*>( this ); + // Since creating and initializing an item leads to a repaint, + // we disable updates on the IconView for a while. + qview->setUpdatesEnabled( false ); + KFileIconViewItem *item = new KFileIconViewItem( qview, i ); + initItem( item, i, true ); + qview->setUpdatesEnabled( true ); + + if ( !i->isMimeTypeKnown() ) + m_resolver->m_lstPendingMimeIconItems.append( item ); + + i->setExtraData( this, item ); +} + +void KFileIconView::slotActivate( TQIconViewItem *item ) +{ + if ( !item ) + return; + const KFileItem *fi = ( (KFileIconViewItem*)item )->fileInfo(); + if ( fi ) + sig->activate( fi ); +} + +void KFileIconView::selected( TQIconViewItem *item ) +{ + if ( !item || (TDEApplication::keyboardMouseState() & (ShiftButton | ControlButton)) != 0 ) + return; + + if ( TDEGlobalSettings::singleClick() ) { + const KFileItem *fi = ( (KFileIconViewItem*)item )->fileInfo(); + if ( fi && (fi->isDir() || !onlyDoubleClickSelectsFiles()) ) + sig->activate( fi ); + } +} + +void KFileIconView::setCurrentItem( const KFileItem *item ) +{ + KFileIconViewItem *it = viewItem( item ); + if ( it ) + TDEIconView::setCurrentItem( it ); +} + +KFileItem * KFileIconView::currentFileItem() const +{ + KFileIconViewItem *current = static_cast<KFileIconViewItem*>( currentItem() ); + if ( current ) + return current->fileInfo(); + + return 0L; +} + +void KFileIconView::highlighted( TQIconViewItem *item ) +{ + if ( !item ) + return; + const KFileItem *fi = ( (KFileIconViewItem*)item )->fileInfo(); + if ( fi ) + sig->highlightFile( fi ); +} + +void KFileIconView::setSelectionMode( KFile::SelectionMode sm ) +{ + disconnect( TQT_SIGNAL( selectionChanged() ), this ); + disconnect( TQT_SIGNAL( selectionChanged( TQIconViewItem * )), this ); + + KFileView::setSelectionMode( sm ); + switch ( KFileView::selectionMode() ) { + case KFile::Multi: + TQIconView::setSelectionMode( TQIconView::Multi ); + break; + case KFile::Extended: + TQIconView::setSelectionMode( TQIconView::Extended ); + break; + case KFile::NoSelection: + TQIconView::setSelectionMode( TQIconView::NoSelection ); + break; + default: // fall through + case KFile::Single: + TQIconView::setSelectionMode( TQIconView::Single ); + break; + } + + if ( sm == KFile::Multi || sm == KFile::Extended ) + connect( this, TQT_SIGNAL( selectionChanged() ), + TQT_SLOT( slotSelectionChanged() )); + else + connect( this, TQT_SIGNAL( selectionChanged( TQIconViewItem * )), + TQT_SLOT( highlighted( TQIconViewItem * ))); +} + +bool KFileIconView::isSelected( const KFileItem *i ) const +{ + KFileIconViewItem *item = viewItem( i ); + return (item && item->isSelected()); +} + +void KFileIconView::updateView( bool b ) +{ + if ( !b ) + return; // eh? + + KFileIconViewItem *item = static_cast<KFileIconViewItem*>(TQIconView::firstItem()); + if ( item ) { + do { + if ( d->previews->isChecked() ) { + if ( canPreview( item->fileInfo() ) ) + item->setPixmapSize( TQSize( d->previewIconSize, d->previewIconSize ) ); + } + else { + // unset pixmap size (used for previews) + if ( !item->pixmapSize().isNull() ) + item->setPixmapSize( TQSize( 0, 0 ) ); + } + // recalculate item parameters but avoid an in-place repaint + item->setPixmap( (item->fileInfo())->pixmap( myIconSize ), true, false ); + item = static_cast<KFileIconViewItem *>(item->nextItem()); + } while ( item != 0L ); + } +} + +void KFileIconView::updateView( const KFileItem *i ) +{ + KFileIconViewItem *item = viewItem( i ); + if ( item ) + initItem( item, i, true ); +} + +void KFileIconView::removeItem( const KFileItem *i ) +{ + if ( !i ) + return; + + if ( d->job ) + d->job->removeItem( i ); + + KFileIconViewItem *item = viewItem( i ); + m_resolver->m_lstPendingMimeIconItems.remove( item ); + delete item; + + KFileView::removeItem( i ); +} + +void KFileIconView::setIconSize( int size ) +{ + myIconSize = size; + updateIcons(); +} + +void KFileIconView::setPreviewSize( int size ) +{ + if ( size < 30 ) + size = 30; // minimum + + d->previewIconSize = size; + if ( d->previews->isChecked() ) + showPreviews(); +} + +void KFileIconView::setIgnoreMaximumSize(bool ignoreSize) +{ + d->ignoreMaximumSize = ignoreSize; +} + +void KFileIconView::updateIcons() +{ + updateView( true ); + arrangeItemsInGrid(); +} + +void KFileIconView::ensureItemVisible( const KFileItem *i ) +{ + KFileIconViewItem *item = viewItem( i ); + if ( item ) + TDEIconView::ensureItemVisible( item ); +} + +void KFileIconView::slotSelectionChanged() +{ + sig->highlightFile( 0L ); +} + +void KFileIconView::slotSmallColumns() +{ + // setItemTextPos(), setArrangement(), setWordWrapIconText() and + // setIconSize() all call arrangeItemsInGrid() :( Prevent this. + d->noArrangement = true; // stop arrangeItemsInGrid()! + + // Make sure to uncheck previews if selected + if ( d->previews->isChecked() ) + { + stopPreview(); + d->previews->setChecked( false ); + } + setGridX( -1 ); + setMaxItemWidth( 300 ); + setItemTextPos( Right ); + setArrangement( TopToBottom ); + setWordWrapIconText( false ); + setSpacing( 0 ); + + d->noArrangement = false; // now we can arrange + setIconSize( TDEIcon::SizeSmall ); +} + +void KFileIconView::slotLargeRows() +{ + // setItemTextPos(), setArrangement(), setWordWrapIconText() and + // setIconSize() all call arrangeItemsInGrid() :( Prevent this. + d->noArrangement = true; // stop arrangeItemsInGrid()! + + setGridX( TDEGlobal::iconLoader()->currentSize( TDEIcon::Desktop ) + 50 ); + setItemTextPos( Bottom ); + setArrangement( LeftToRight ); + setWordWrapIconText( true ); + setSpacing( 5 ); // default in QIconView + + d->noArrangement = false; // now we can arrange + setIconSize( TDEIcon::SizeMedium ); +} + +void KFileIconView::stopPreview() +{ + if ( d->job ) { + d->job->kill(); + d->job = 0L; + } +} + +void KFileIconView::slotPreviewsToggled( bool on ) +{ + if ( on ) + showPreviews(); + else { + stopPreview(); + slotLargeRows(); + } +} + +void KFileIconView::showPreviews() +{ + if ( d->previewMimeTypes.isEmpty() ) + d->previewMimeTypes = TDEIO::PreviewJob::supportedMimeTypes(); + + stopPreview(); + d->previews->setChecked( true ); + + if ( !d->largeRows->isChecked() ) { + d->largeRows->setChecked( true ); + slotLargeRows(); // also sets the icon size and updates the grid + } + else { + updateIcons(); + } + + d->job = TDEIO::filePreview(*items(), d->previewIconSize,d->previewIconSize); + d->job->setIgnoreMaximumSize(d->ignoreMaximumSize); + + connect( d->job, TQT_SIGNAL( result( TDEIO::Job * )), + this, TQT_SLOT( slotPreviewResult( TDEIO::Job * ))); + connect( d->job, TQT_SIGNAL( gotPreview( const KFileItem*, const TQPixmap& )), + TQT_SLOT( gotPreview( const KFileItem*, const TQPixmap& ) )); +// connect( d->job, TQT_SIGNAL( failed( const KFileItem* )), +// this, TQT_SLOT( slotFailed( const KFileItem* ) )); +} + +void KFileIconView::slotPreviewResult( TDEIO::Job *job ) +{ + if ( job == d->job ) + d->job = 0L; +} + +void KFileIconView::gotPreview( const KFileItem *item, const TQPixmap& pix ) +{ + KFileIconViewItem *it = viewItem( item ); + if ( it ) + if( item->overlays() & TDEIcon::HiddenOverlay ) + { + TQPixmap p( pix ); + + TDEIconEffect::semiTransparent( p ); + it->setPixmap( p ); + } + else + it->setPixmap( pix ); +} + +bool KFileIconView::canPreview( const KFileItem *item ) const +{ + TQStringList::Iterator it = d->previewMimeTypes.begin(); + TQRegExp r; + r.setWildcard( true ); + + for ( ; it != d->previewMimeTypes.end(); ++it ) { + TQString type = *it; + // the "mimetype" can be "image/*" + if ( type.at( type.length() - 1 ) == '*' ) { + r.setPattern( type ); + if ( r.search( item->mimetype() ) != -1 ) + return true; + } + else + if ( item->mimetype() == type ) + return true; + } + + return false; +} + +KFileItem * KFileIconView::firstFileItem() const +{ + KFileIconViewItem *item = static_cast<KFileIconViewItem*>( firstItem() ); + if ( item ) + return item->fileInfo(); + return 0L; +} + +KFileItem * KFileIconView::nextItem( const KFileItem *fileItem ) const +{ + if ( fileItem ) { + KFileIconViewItem *item = viewItem( fileItem ); + if ( item && item->nextItem() ) + return ((KFileIconViewItem*) item->nextItem())->fileInfo(); + } + return 0L; +} + +KFileItem * KFileIconView::prevItem( const KFileItem *fileItem ) const +{ + if ( fileItem ) { + KFileIconViewItem *item = viewItem( fileItem ); + if ( item && item->prevItem() ) + return ((KFileIconViewItem*) item->prevItem())->fileInfo(); + } + return 0L; +} + +void KFileIconView::setSorting( TQDir::SortSpec spec ) +{ + KFileView::setSorting( spec ); + KFileItemListIterator it( *items() ); + + KFileItem *item; + + if ( spec & TQDir::Time ) { + for ( ; (item = it.current()); ++it ) + // warning, time_t is often signed -> cast it + viewItem(item)->setKey( sortingKey( (unsigned long)item->time( TDEIO::UDS_MODIFICATION_TIME ), item->isDir(), spec )); + } + + else if ( spec & TQDir::Size ) { + for ( ; (item = it.current()); ++it ) + viewItem(item)->setKey( sortingKey( item->size(), item->isDir(), + spec )); + } + else { // Name or Unsorted + for ( ; (item = it.current()); ++it ) + viewItem(item)->setKey( sortingKey( item->text(), item->isDir(), + spec )); + } + + TDEIconView::setSorting( true, !isReversed() ); + sort( !isReversed() ); +} + +// +// mimetype determination on demand +// +void KFileIconView::mimeTypeDeterminationFinished() +{ + // anything to do? +} + +void KFileIconView::determineIcon( KFileIconViewItem *item ) +{ + (void) item->fileInfo()->determineMimeType(); + updateView( item->fileInfo() ); +} + +void KFileIconView::listingCompleted() +{ + arrangeItemsInGrid(); + + // TQIconView doesn't set the current item automatically, so we have to do + // that. We don't want to emit selectionChanged() tho. + if ( !currentItem() ) { + bool block = signalsBlocked(); + blockSignals( true ); + TQIconViewItem *item = viewItem( firstFileItem() ); + TDEIconView::setCurrentItem( item ); + TDEIconView::setSelected( item, false ); + blockSignals( block ); + } + + m_resolver->start( d->previews->isChecked() ? 0 : 10 ); +} + +// need to remove our tooltip, eventually +bool KFileIconView::eventFilter( TQObject *o, TQEvent *e ) +{ + if ( TQT_BASE_OBJECT(o) == TQT_BASE_OBJECT(viewport()) || TQT_BASE_OBJECT(o) == TQT_BASE_OBJECT(this) ) { + int type = e->type(); + if ( type == TQEvent::Leave || + type == TQEvent::FocusOut ) + removeToolTip(); + } + + return TDEIconView::eventFilter( o, e ); +} + +///////////////////////////////////////////////////////////////// + +// ### workaround for Qt3 Bug +void KFileIconView::showEvent( TQShowEvent *e ) +{ + TDEIconView::showEvent( e ); +} + + +void KFileIconView::initItem( KFileIconViewItem *item, const KFileItem *i, + bool updateTextAndPixmap ) +{ + if ( d->previews->isChecked() && canPreview( i ) ) + item->setPixmapSize( TQSize( d->previewIconSize, d->previewIconSize ) ); + + if ( updateTextAndPixmap ) + { + // this causes a repaint of the item, which we want to avoid during + // directory listing, when all items are created. We want to paint all + // items at once, not every single item in that case. + item->setText( i->text() , false, false ); + item->setPixmap( i->pixmap( myIconSize ) ); + } + + // see also setSorting() + TQDir::SortSpec spec = KFileView::sorting(); + + if ( spec & TQDir::Time ) + // warning, time_t is often signed -> cast it + item->setKey( sortingKey( (unsigned long) i->time( TDEIO::UDS_MODIFICATION_TIME ), + i->isDir(), spec )); + else if ( spec & TQDir::Size ) + item->setKey( sortingKey( i->size(), i->isDir(), spec )); + + else // Name or Unsorted + item->setKey( sortingKey( i->text(), i->isDir(), spec )); + + //tqDebug("** key for: %s: %s", i->text().latin1(), item->key().latin1()); + + if ( d->previews->isChecked() ) + d->previewTimer.start( 10, true ); +} + +void KFileIconView::arrangeItemsInGrid( bool update ) +{ + if ( d->noArrangement ) + return; + + TDEIconView::arrangeItemsInGrid( update ); +} + +void KFileIconView::zoomIn() +{ + setPreviewSize( d->previewIconSize + 30 ); +} + +void KFileIconView::zoomOut() +{ + setPreviewSize( d->previewIconSize - 30 ); +} + +TQDragObject *KFileIconView::dragObject() +{ + // create a list of the URL:s that we want to drag + KURL::List urls; + KFileItemListIterator it( * KFileView::selectedItems() ); + for ( ; it.current(); ++it ){ + urls.append( (*it)->url() ); + } + TQPixmap pixmap; + if( urls.count() > 1 ) + pixmap = DesktopIcon( "tdemultiple", iconSize() ); + if( pixmap.isNull() ) + pixmap = currentFileItem()->pixmap( iconSize() ); + + TQPoint hotspot; + hotspot.setX( pixmap.width() / 2 ); + hotspot.setY( pixmap.height() / 2 ); + TQDragObject* myDragObject = new KURLDrag( urls, widget() ); + myDragObject->setPixmap( pixmap, hotspot ); + return myDragObject; +} + +void KFileIconView::slotAutoOpen() +{ + d->autoOpenTimer.stop(); + if( !d->dropItem ) + return; + + KFileItem *fileItem = d->dropItem->fileInfo(); + if (!fileItem) + return; + + if( fileItem->isFile() ) + return; + + if ( fileItem->isDir() || fileItem->isLink()) + sig->activate( fileItem ); +} + +bool KFileIconView::acceptDrag(TQDropEvent* e) const +{ + return KURLDrag::canDecode( e ) && + (e->source()!=const_cast<KFileIconView*>(this)) && + ( e->action() == TQDropEvent::Copy + || e->action() == TQDropEvent::Move + || e->action() == TQDropEvent::Link ); +} + +void KFileIconView::contentsDragEnterEvent( TQDragEnterEvent *e ) +{ + if ( ! acceptDrag( e ) ) { // can we decode this ? + e->ignore(); // No + return; + } + e->acceptAction(); // Yes + + if ((dropOptions() & AutoOpenDirs) == 0) + return; + + KFileIconViewItem *item = dynamic_cast<KFileIconViewItem*>(findItem( contentsToViewport( e->pos() ) )); + if ( item ) { // are we over an item ? + d->dropItem = item; + d->autoOpenTimer.start( autoOpenDelay() ); // restart timer + } + else + { + d->dropItem = 0; + d->autoOpenTimer.stop(); + } +} + +void KFileIconView::contentsDragMoveEvent( TQDragMoveEvent *e ) +{ + if ( ! acceptDrag( e ) ) { // can we decode this ? + e->ignore(); // No + return; + } + e->acceptAction(); // Yes + + if ((dropOptions() & AutoOpenDirs) == 0) + return; + + KFileIconViewItem *item = dynamic_cast<KFileIconViewItem*>(findItem( contentsToViewport( e->pos() ) )); + if ( item ) { // are we over an item ? + if (d->dropItem != item) + { + d->dropItem = item; + d->autoOpenTimer.start( autoOpenDelay() ); // restart timer + } + } + else + { + d->dropItem = 0; + d->autoOpenTimer.stop(); + } +} + +void KFileIconView::contentsDragLeaveEvent( TQDragLeaveEvent * ) +{ + d->dropItem = 0; + d->autoOpenTimer.stop(); +} + +void KFileIconView::contentsDropEvent( TQDropEvent *e ) +{ + d->dropItem = 0; + d->autoOpenTimer.stop(); + + if ( ! acceptDrag( e ) ) { // can we decode this ? + e->ignore(); // No + return; + } + e->acceptAction(); // Yes + + KFileIconViewItem *item = dynamic_cast<KFileIconViewItem*>(findItem( contentsToViewport( e->pos() ) )); + KFileItem * fileItem = 0; + if (item) + fileItem = item->fileInfo(); + + emit dropped(e, fileItem); + + KURL::List urls; + if (KURLDrag::decode( e, urls ) && !urls.isEmpty()) + { + emit dropped(e, urls, fileItem ? fileItem->url() : KURL()); + sig->dropURLs(fileItem, e, urls); + } +} + +void KFileIconView::virtual_hook( int id, void* data ) +{ TDEIconView::virtual_hook( id, data ); + KFileView::virtual_hook( id, data ); } + +#include "tdefileiconview.moc" |