Added old abandoned KDE3 version of gwenview

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/gwenview@1088034 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 552 insertions, 0 deletions

diff --git a/src/gvcore/filedetailview.cpp b/src/gvcore/filedetailview.cpp
new file mode 100644
index 0000000..b36a1dd
--- /dev/null
+++ b/src/gvcore/filedetailview.cpp
@@ -0,0 +1,552 @@
+// vim: set tabstop=4 shiftwidth=4 noexpandtab
+/* This file is based on kfiledetailview.cpp v1.43 from the KDE libs. Original
+   copyright follows.
+*/
+/* This file is part of the KDE libraries
+   Copyright (C) 1997 Stephan Kulow <[email protected]>
+                 2000, 2001 Carsten Pfeiffer <[email protected]>
+
+   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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+// Qt
+#include <qbitmap.h>
+#include <qevent.h>
+#include <qheader.h>
+#include <qkeycode.h>
+#include <qpainter.h>
+#include <qpixmap.h>
+
+// KDE 
+#include <kapplication.h>
+#include <kdebug.h>
+#include <kfileitem.h>
+#include <kglobalsettings.h>
+#include <kiconloader.h>
+#include <klocale.h>
+#include <kurldrag.h>
+#include <kwordwrap.h>
+
+// Local
+#include "archive.h"
+#include "dragpixmapgenerator.h"
+#include "filedetailviewitem.h"
+#include "filedetailview.moc"
+#include "timeutils.h"
+namespace Gwenview {
+
+
+static QPixmap createShownItemPixmap(int size, const QColor& color) {
+	QPixmap pix(size, size);
+	pix.fill(Qt::red);
+	QPainter painter(&pix);
+	int margin = 2;
+	
+	QPointArray pa(3);
+	int arrowSize = size/2 - margin;
+	int center = size/2 - 1;
+	pa[0] = QPoint((size - arrowSize) / 2, center - arrowSize);
+	pa[1] = QPoint((size + arrowSize) / 2, center);
+	pa[2] = QPoint(pa[0].x(),              center + arrowSize);
+
+	painter.setBrush(color);
+	painter.setPen(color);
+	painter.drawPolygon(pa);
+	painter.end();
+
+	pix.setMask(pix.createHeuristicMask());
+	
+	return pix;
+}
+
+
+FileDetailView::FileDetailView(QWidget *parent, const char *name)
+	: KListView(parent, name), FileViewBase()
+{
+	mSortingCol = COL_NAME;
+	mBlockSortingSignal = false;
+
+	addColumn( i18n( "Name" ) );
+	addColumn( i18n( "Size" ) );
+	addColumn( i18n( "Date" ) );
+	addColumn( i18n( "Permissions" ) );
+	addColumn( i18n( "Owner" ) );
+	addColumn( i18n( "Group" ) );
+	setShowSortIndicator( TRUE );
+	setAllColumnsShowFocus( TRUE );
+
+	connect( header(), SIGNAL( sectionClicked(int)),
+			 SLOT(slotSortingChanged(int) ));
+
+
+	connect( this, SIGNAL( returnPressed(QListViewItem *) ),
+			 SLOT( slotActivate( QListViewItem *) ) );
+
+	connect( this, SIGNAL( clicked(QListViewItem *, const QPoint&, int)),
+			 SLOT( selected( QListViewItem *) ) );
+	connect( this, SIGNAL( doubleClicked(QListViewItem *, const QPoint&, int)),
+			 SLOT( slotActivate( QListViewItem *) ) );
+
+	connect( this, SIGNAL(contextMenuRequested( QListViewItem *,
+												const QPoint &, int )),
+			 this, SLOT( slotActivateMenu( QListViewItem *, const QPoint& )));
+
+	QListView::setSelectionMode( QListView::Extended );
+	connect( this, SIGNAL( selectionChanged() ),
+			 SLOT( slotSelectionChanged() ));
+
+	// FileViewStack need to be aware of sort changes, to update the sort menu
+	connect( sig, SIGNAL(sortingChanged(QDir::SortSpec)),
+		this, SIGNAL(sortingChanged(QDir::SortSpec)) );
+	
+	setSorting( sorting() );
+
+
+	mResolver =
+		new KMimeTypeResolver<FileDetailViewItem,FileDetailView>( this );
+
+	setDragEnabled(true);
+	
+	setAcceptDrops(true);
+	setDropVisualizer(false);
+	setDropHighlighter(false);
+
+	int size = IconSize(KIcon::Small);
+	mShownItemUnselectedPixmap = createShownItemPixmap(size, colorGroup().highlight());
+	mShownItemSelectedPixmap = createShownItemPixmap(size, colorGroup().highlightedText());
+}
+
+
+FileDetailView::~FileDetailView()
+{
+	delete mResolver;
+}
+
+
+void FileDetailView::setSelected( const KFileItem *info, bool enable )
+{
+	if (!info) return;
+	FileDetailViewItem *item = viewItem(info);
+	if (item) KListView::setSelected(item, enable);
+}
+
+void FileDetailView::setCurrentItem( const KFileItem *item )
+{
+	if (!item) return;
+	FileDetailViewItem *listItem = viewItem(item);
+	if (listItem) KListView::setCurrentItem(listItem);
+}
+
+KFileItem * FileDetailView::currentFileItem() const
+{
+	FileDetailViewItem *current = static_cast<FileDetailViewItem*>( currentItem() );
+	if ( current ) return current->fileInfo();
+
+	return 0L;
+}
+
+void FileDetailView::clearSelection()
+{
+	KListView::clearSelection();
+}
+
+void FileDetailView::selectAll()
+{
+	KListView::selectAll( true );
+}
+
+void FileDetailView::invertSelection()
+{
+	KListView::invertSelection();
+}
+
+void FileDetailView::slotActivateMenu (QListViewItem *item,const QPoint& pos )
+{
+	if ( !item ) {
+		sig->activateMenu( 0, pos );
+		return;
+	}
+	FileDetailViewItem *i = (FileDetailViewItem*) item;
+	sig->activateMenu( i->fileInfo(), pos );
+}
+
+void FileDetailView::clearView()
+{
+	mResolver->m_lstPendingMimeIconItems.clear();
+	mShownFileItem=0L;
+	KListView::clear();
+}
+
+void FileDetailView::insertItem( KFileItem *i )
+{
+	KFileView::insertItem( i );
+
+	FileDetailViewItem *item = new FileDetailViewItem( (QListView*) this, i );
+
+	setSortingKey( item, i );
+
+	i->setExtraData( this, item );
+
+	if ( !i->isMimeTypeKnown() )
+		mResolver->m_lstPendingMimeIconItems.append( item );
+}
+
+void FileDetailView::slotActivate( QListViewItem *item )
+{
+	if ( !item ) return;
+
+	const KFileItem *fi = ( (FileDetailViewItem*)item )->fileInfo();
+	if ( fi ) sig->activate( fi );
+}
+
+void FileDetailView::selected( QListViewItem *item )
+{
+	if ( !item ) return;
+
+	if ( KGlobalSettings::singleClick() ) {
+		const KFileItem *fi = ( (FileDetailViewItem*)item )->fileInfo();
+		if ( fi && (fi->isDir() || !onlyDoubleClickSelectsFiles()) )
+			sig->activate( fi );
+	}
+}
+
+void FileDetailView::highlighted( QListViewItem *item )
+{
+	if ( !item ) return;
+
+	const KFileItem *fi = ( (FileDetailViewItem*)item )->fileInfo();
+	if ( fi ) sig->highlightFile( fi );
+}
+
+
+bool FileDetailView::isSelected(const KFileItem* fileItem) const
+{
+	if (!fileItem) return false;
+
+	FileDetailViewItem *item = viewItem(fileItem);
+	return item && item->isSelected();
+}
+
+
+void FileDetailView::updateView( bool b )
+{
+	if ( !b ) return;
+
+	QListViewItemIterator it( (QListView*)this );
+	for ( ; it.current(); ++it ) {
+		FileDetailViewItem *item=static_cast<FileDetailViewItem *>(it.current());
+		item->setPixmap( 0, item->fileInfo()->pixmap(KIcon::SizeSmall) );
+	}
+}
+
+void FileDetailView::updateView( const KFileItem *i )
+{
+	if ( !i ) return;
+
+	FileDetailViewItem *item = viewItem(i);
+	if ( !item ) return;
+
+	item->init();
+	setSortingKey( item, i );
+}
+
+
+void FileDetailView::setSortingKey( FileDetailViewItem *dvItem, const KFileItem *item)
+{
+	QDir::SortSpec spec = KFileView::sorting();
+	bool isDirOrArchive=item->isDir() || Archive::fileItemIsArchive(item);
+
+	QString key;
+	if ( spec & QDir::Time ) {
+		time_t time = TimeUtils::getTime(item);
+		key=sortingKey(time, isDirOrArchive, spec);
+		
+	} else if ( spec & QDir::Size ) {
+		key=sortingKey( item->size(), isDirOrArchive, spec );
+		
+	} else {
+		// Name or Unsorted
+		key=sortingKey( item->text(), isDirOrArchive, spec );
+	}
+
+	dvItem->setKey(key);
+}
+
+
+void FileDetailView::removeItem( const KFileItem *i )
+{
+	if ( !i ) return;
+
+	FileDetailViewItem *item = viewItem(i);
+	mResolver->m_lstPendingMimeIconItems.remove( item );
+	if(mShownFileItem==i) mShownFileItem=0L;
+	delete item;
+
+	KFileView::removeItem( i );
+}
+
+void FileDetailView::slotSortingChanged( int col )
+{
+	QDir::SortSpec sort = sorting();
+	int sortSpec = -1;
+	bool reversed = col == mSortingCol && (sort & QDir::Reversed) == 0;
+	mSortingCol = col;
+
+	switch( col ) {
+	case COL_NAME:
+		sortSpec = (sort & ~QDir::SortByMask | QDir::Name);
+		break;
+	case COL_SIZE:
+		sortSpec = (sort & ~QDir::SortByMask | QDir::Size);
+		break;
+	case COL_DATE:
+		sortSpec = (sort & ~QDir::SortByMask | QDir::Time);
+		break;
+
+	// the following columns have no equivalent in QDir, so we set it
+	// to QDir::Unsorted and remember the column (mSortingCol)
+	case COL_OWNER:
+	case COL_GROUP:
+	case COL_PERM:
+		// grmbl, QDir::Unsorted == SortByMask.
+		sortSpec = (sort & ~QDir::SortByMask);// | QDir::Unsorted;
+		break;
+	default:
+		break;
+	}
+
+	if ( reversed )
+		sortSpec |= QDir::Reversed;
+	else
+		sortSpec &= ~QDir::Reversed;
+
+	if ( sort & QDir::IgnoreCase )
+		sortSpec |= QDir::IgnoreCase;
+	else
+		sortSpec &= ~QDir::IgnoreCase;
+
+
+	KFileView::setSorting( static_cast<QDir::SortSpec>( sortSpec ) );
+
+	KFileItem *item;
+	KFileItemListIterator it( *items() );
+
+	for ( ; (item = it.current() ); ++it ) {
+		FileDetailViewItem* thumbItem=viewItem( item );
+		if (thumbItem) setSortingKey(thumbItem,item);
+	}
+
+	KListView::setSorting( mSortingCol, !reversed );
+	KListView::sort();
+
+	if (!mBlockSortingSignal) sig->changeSorting( static_cast<QDir::SortSpec>( sortSpec ) );
+}
+
+
+void FileDetailView::setSorting( QDir::SortSpec spec )
+{
+	int col = 0;
+	if ( spec & QDir::Time )
+		col = COL_DATE;
+	else if ( spec & QDir::Size )
+		col = COL_SIZE;
+	else if ( spec & QDir::Unsorted )
+		col = mSortingCol;
+	else
+		col = COL_NAME;
+
+	// inversed, because slotSortingChanged will reverse it
+	if ( spec & QDir::Reversed )
+		spec = (QDir::SortSpec) (spec & ~QDir::Reversed);
+	else
+		spec = (QDir::SortSpec) (spec | QDir::Reversed);
+
+	mSortingCol = col;
+	KFileView::setSorting( (QDir::SortSpec) spec );
+
+
+	// don't emit sortingChanged() when called via setSorting()
+	mBlockSortingSignal = true; // can't use blockSignals()
+	slotSortingChanged( col );
+	mBlockSortingSignal = false;
+}
+
+void FileDetailView::ensureItemVisible( const KFileItem *i )
+{
+	if ( !i ) return;
+
+	FileDetailViewItem *item = viewItem(i);
+		
+	if ( item ) KListView::ensureItemVisible( item );
+}
+
+// we're in multiselection mode
+void FileDetailView::slotSelectionChanged()
+{
+	sig->highlightFile( 0L );
+}
+
+KFileItem * FileDetailView::firstFileItem() const
+{
+	FileDetailViewItem *item = static_cast<FileDetailViewItem*>( firstChild() );
+	if ( item ) return item->fileInfo();
+	return 0L;
+}
+
+KFileItem * FileDetailView::nextItem( const KFileItem *fileItem ) const
+{
+	if ( fileItem ) {
+		FileDetailViewItem *item = viewItem( fileItem );
+		if ( item && item->itemBelow() )
+			return ((FileDetailViewItem*) item->itemBelow())->fileInfo();
+		else
+			return 0L;
+	}
+	else
+		return firstFileItem();
+}
+
+KFileItem * FileDetailView::prevItem( const KFileItem *fileItem ) const
+{
+	if ( fileItem ) {
+		FileDetailViewItem *item = viewItem( fileItem );
+		if ( item && item->itemAbove() )
+			return ((FileDetailViewItem*) item->itemAbove())->fileInfo();
+		else
+			return 0L;
+	}
+	else
+		return firstFileItem();
+}
+
+void FileDetailView::keyPressEvent( QKeyEvent *e )
+{
+	KListView::keyPressEvent( e );
+
+	if ( e->key() == Key_Return || e->key() == Key_Enter ) {
+		if ( e->state() & ControlButton )
+			e->ignore();
+		else
+			e->accept();
+	}
+}
+
+//
+// mimetype determination on demand
+//
+void FileDetailView::mimeTypeDeterminationFinished()
+{
+	// anything to do?
+}
+
+void FileDetailView::determineIcon( FileDetailViewItem *item )
+{
+	(void) item->fileInfo()->determineMimeType();
+	updateView( item->fileInfo() );
+}
+
+void FileDetailView::listingCompleted()
+{
+	mResolver->start();
+}
+
+void FileDetailView::startDrag()
+{
+	/**
+	 * The item drawer for DragPixmapGenerator
+	 */
+	struct ItemDrawer : public DragPixmapItemDrawer<KFileItem*> {
+		ItemDrawer(const QFontMetrics& fontMetrics)
+		: mFontMetrics(fontMetrics) {}
+
+		QSize itemSize(KFileItem* fileItem) {
+			if (!fileItem) return QSize();
+			QString name = fileItem->name();
+			int width = QMIN(mGenerator->maxWidth(), mFontMetrics.width(name));
+			int height = mFontMetrics.height();
+			return QSize(width, height);
+		}
+				
+		void drawItem(QPainter* painter, int left, int top, KFileItem* fileItem) {
+			QString name = fileItem->name();
+			painter->save();
+			KWordWrap::drawFadeoutText(painter, 
+				left, top + mFontMetrics.ascent(), 
+				mGenerator->maxWidth(), name);
+			painter->restore();
+		}
+		
+		QFontMetrics mFontMetrics;
+	};
+	ItemDrawer drawer(fontMetrics());
+
+
+	KURL::List urls;
+	KFileItemListIterator it(*KFileView::selectedItems());
+
+	DragPixmapGenerator<KFileItem*> generator;
+	generator.setItemDrawer(&drawer);
+	
+	for ( ; it.current(); ++it ) {
+		urls.append(it.current()->url());
+		generator.addItem(it.current());
+	}
+
+	if (urls.isEmpty()) {
+		kdWarning() << "No item to drag\n";
+		return;
+	}
+
+	QDragObject* drag=new KURLDrag(urls, this, 0);
+	QPixmap dragPixmap = generator.generate();
+
+	drag->setPixmap( dragPixmap, QPoint(-generator.DRAG_OFFSET, -generator.DRAG_OFFSET));
+	drag->dragCopy();
+}
+
+
+void FileDetailView::setShownFileItem(KFileItem* fileItem)
+{
+	if( fileItem == mShownFileItem ) return;
+	FileDetailViewItem* oldShownItem=viewItem(mShownFileItem);
+	FileDetailViewItem* newShownItem=viewItem(fileItem);
+	
+	FileViewBase::setShownFileItem(fileItem);
+	if (oldShownItem) oldShownItem->repaint();
+	if (newShownItem) newShownItem->repaint();
+}
+
+
+//----------------------------------------------------------------------
+//
+// Drop support
+//
+//----------------------------------------------------------------------
+bool FileDetailView::acceptDrag(QDropEvent* event) const {
+	return KURLDrag::canDecode(event);
+}
+
+void FileDetailView::contentsDropEvent(QDropEvent *event) {
+	KFileItem* fileItem=0L;
+	QListViewItem *item=itemAt(contentsToViewport(event->pos() ) );
+	
+	if (item) {
+		fileItem=static_cast<FileDetailViewItem*>(item)->fileInfo();
+	}
+	emit dropped(event,fileItem);
+}
+
+} // namespace