Nuke.

1 files changed, 0 insertions, 1692 deletions

diff --git a/depends/groupview/src/categorizedview.cpp b/depends/groupview/src/categorizedview.cpp
deleted file mode 100644
index 1345205c..00000000
--- a/depends/groupview/src/categorizedview.cpp
+++ /dev/null
@@ -1,1692 +0,0 @@
-/**
-  * This file is part of the KDE project
-  * Copyright (C) 2007, 2009 Rafael Fernández López <ereslibre@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.
-  */
-
-/**
-  * IMPLEMENTATION NOTES:
-  *
-  * QListView::setRowHidden() and QListView::isRowHidden() are not taken into
-  * account. This methods should actually not exist. This effect should be handled
-  * by an hypothetical QSortFilterProxyModel which filters out the desired rows.
-  *
-  * In case this needs to be implemented, contact me, but I consider this a faulty
-  * design.
-  */
-
-#include "categorizedview.h"
-#include "categorizedview_p.h"
-
-#include <math.h> // trunc on C99 compliant systems
-//#include <kdefakes.h> // trunc for not C99 compliant systems
-
-#include <QPainter>
-#include <QScrollBar>
-#include <QPaintEvent>
-
-#include "categorydrawer.h"
-#include "categorizedsortfilterproxymodel.h"
-
-//BEGIN: Private part
-
-struct KCategorizedView::Private::Item
-{
-	Item()
-		: topLeft ( QPoint() )
-		, size ( QSize() )
-	{
-	}
-
-	QPoint topLeft;
-	QSize size;
-};
-
-struct KCategorizedView::Private::Block
-{
-	bool operator!= ( const Block &rhs ) const
-	{
-		return firstIndex != rhs.firstIndex;
-	}
-
-	static bool lessThan ( const Block &left, const Block &right )
-	{
-		Q_ASSERT ( left.firstIndex.isValid() );
-		Q_ASSERT ( right.firstIndex.isValid() );
-		return left.firstIndex.row() < right.firstIndex.row();
-	}
-
-	QPoint topLeft;
-	int height = -1;
-	QPersistentModelIndex firstIndex;
-	// if we have n elements on this block, and we inserted an element at position i. The quarantine
-	// will start at index (i, column, parent). This means that for all elements j where i <= j <= n, the
-	// visual rect position of item j will have to be recomputed (cannot use the cached point). The quarantine
-	// will only affect the current block, since the rest of blocks can be affected only in the way
-	// that the whole block will have different offset, but items will keep the same relative position
-	// in terms of their parent blocks.
-	QPersistentModelIndex quarantineStart;
-	QList<Item> items;
-
-	// this affects the whole block, not items separately. items contain the topLeft point relative
-	// to the block. Because of insertions or removals a whole block can be moved, so the whole block
-	// will enter in quarantine, what is faster than moving all items in absolute terms.
-	bool outOfQuarantine = false;
-
-	// should we alternate its color ? is just a hint, could not be used
-	bool alternate = false;
-	bool collapsed = false;
-};
-
-KCategorizedView::Private::Private ( KCategorizedView *q )
-	: q ( q )
-	, hoveredBlock ( new Block() )
-{
-}
-
-KCategorizedView::Private::~Private()
-{
-	delete hoveredBlock;
-}
-
-bool KCategorizedView::Private::isCategorized() const
-{
-	return proxyModel && categoryDrawer && proxyModel->isCategorizedModel();
-}
-
-QStyleOptionViewItemV4 KCategorizedView::Private::blockRect ( const QModelIndex &representative )
-{
-	QStyleOptionViewItemV4 option ( q->viewOptions() );
-	const int height = categoryDrawer->categoryHeight ( representative, option );
-	const QString categoryDisplay = representative.data ( KCategorizedSortFilterProxyModel::CategoryDisplayRole ).toString();
-	QPoint pos = blockPosition ( categoryDisplay );
-	pos.ry() -= height;
-	option.rect.setTopLeft ( pos );
-	option.rect.setWidth ( viewportWidth() + categoryDrawer->leftMargin() + categoryDrawer->rightMargin() );
-	option.rect.setHeight ( height + blockHeight ( categoryDisplay ) );
-	option.rect = mapToViewport ( option.rect );
-
-	return option;
-}
-
-QPair<QModelIndex, QModelIndex> KCategorizedView::Private::intersectingIndexesWithRect ( const QRect &_rect ) const
-{
-	const int rowCount = proxyModel->rowCount();
-
-	const QRect rect = _rect.normalized();
-
-	// binary search to find out the top border
-	int bottom = 0;
-	int top = rowCount - 1;
-	while ( bottom <= top )
-	{
-		const int middle = ( bottom + top ) / 2;
-		const QModelIndex index = proxyModel->index ( middle, q->modelColumn(), q->rootIndex() );
-		QRect itemRect = q->visualRect ( index );
-		const int verticalOff = q->verticalOffset();
-		const int horizontalOff = q->horizontalOffset();
-		itemRect.topLeft().ry() += verticalOff;
-		itemRect.topLeft().rx() += horizontalOff;
-		itemRect.bottomRight().ry() += verticalOff;
-		itemRect.bottomRight().rx() += horizontalOff;
-		if ( itemRect.bottomRight().y() <= rect.topLeft().y() )
-		{
-			bottom = middle + 1;
-		}
-		else
-		{
-			top = middle - 1;
-		}
-	}
-
-	const QModelIndex bottomIndex = proxyModel->index ( bottom, q->modelColumn(), q->rootIndex() );
-
-	// binary search to find out the bottom border
-	bottom = 0;
-	top = rowCount - 1;
-	while ( bottom <= top )
-	{
-		const int middle = ( bottom + top ) / 2;
-		const QModelIndex index = proxyModel->index ( middle, q->modelColumn(), q->rootIndex() );
-		QRect itemRect = q->visualRect ( index );
-		const int verticalOff = q->verticalOffset();
-		const int horizontalOff = q->horizontalOffset();
-		itemRect.topLeft().ry() += verticalOff;
-		itemRect.topLeft().rx() += horizontalOff;
-		itemRect.bottomRight().ry() += verticalOff;
-		itemRect.bottomRight().rx() += horizontalOff;
-		if ( itemRect.topLeft().y() <= rect.bottomRight().y() )
-		{
-			bottom = middle + 1;
-		}
-		else
-		{
-			top = middle - 1;
-		}
-	}
-
-	const QModelIndex topIndex = proxyModel->index ( top, q->modelColumn(), q->rootIndex() );
-
-	return qMakePair ( bottomIndex, topIndex );
-}
-
-QPoint KCategorizedView::Private::blockPosition ( const QString &category )
-{
-	Block &block = blocks[category];
-
-	if ( block.outOfQuarantine && !block.topLeft.isNull() )
-	{
-		return block.topLeft;
-	}
-
-	QPoint res ( categorySpacing, 0 );
-
-	const QModelIndex index = block.firstIndex;
-
-	for ( QHash<QString, Private::Block>::Iterator it = blocks.begin(); it != blocks.end(); ++it )
-	{
-		Block &block = *it;
-		const QModelIndex categoryIndex = block.firstIndex;
-		if ( index.row() < categoryIndex.row() )
-		{
-			continue;
-		}
-		res.ry() += categoryDrawer->categoryHeight ( categoryIndex, q->viewOptions() ) + categorySpacing;
-		if ( index.row() == categoryIndex.row() )
-		{
-			continue;
-		}
-		res.ry() += blockHeight ( it.key() );
-	}
-
-	block.outOfQuarantine = true;
-	block.topLeft = res;
-
-	return res;
-}
-
-int KCategorizedView::Private::blockHeight ( const QString &category )
-{
-	Block &block = blocks[category];
-
-	if ( block.collapsed )
-	{
-		return 0;
-	}
-
-	if ( block.height > -1 )
-	{
-		return block.height;
-	}
-
-	const QModelIndex firstIndex = block.firstIndex;
-	const QModelIndex lastIndex = proxyModel->index ( firstIndex.row() + block.items.count() - 1, q->modelColumn(), q->rootIndex() );
-	const QRect topLeft = q->visualRect ( firstIndex );
-	QRect bottomRight = q->visualRect ( lastIndex );
-
-	if ( hasGrid() )
-	{
-		bottomRight.setHeight ( qMax ( bottomRight.height(), q->gridSize().height() ) );
-	}
-	else
-	{
-		if ( !q->uniformItemSizes() )
-		{
-			bottomRight.setHeight ( highestElementInLastRow ( block ) + q->spacing() * 2 );
-		}
-	}
-
-	const int height = bottomRight.bottomRight().y() - topLeft.topLeft().y() + 1;
-	block.height = height;
-
-	return height;
-}
-
-int KCategorizedView::Private::viewportWidth() const
-{
-	return q->viewport()->width() - categorySpacing * 2 - categoryDrawer->leftMargin() - categoryDrawer->rightMargin();
-}
-
-void KCategorizedView::Private::regenerateAllElements()
-{
-	for ( QHash<QString, Block>::Iterator it = blocks.begin(); it != blocks.end(); ++it )
-	{
-		Block &block = *it;
-		block.outOfQuarantine = false;
-		block.quarantineStart = block.firstIndex;
-		block.height = -1;
-	}
-}
-
-void KCategorizedView::Private::rowsInserted ( const QModelIndex &parent, int start, int end )
-{
-	if ( !isCategorized() )
-	{
-		return;
-	}
-
-	for ( int i = start; i <= end; ++i )
-	{
-		const QModelIndex index = proxyModel->index ( i, q->modelColumn(), parent );
-
-		Q_ASSERT ( index.isValid() );
-
-		const QString category = categoryForIndex ( index );
-
-		Block &block = blocks[category];
-
-		//BEGIN: update firstIndex
-		// save as firstIndex in block if
-		//     - it forced the category creation (first element on this category)
-		//     - it is before the first row on that category
-		const QModelIndex firstIndex = block.firstIndex;
-		if ( !firstIndex.isValid() || index.row() < firstIndex.row() )
-		{
-			block.firstIndex = index;
-		}
-		//END: update firstIndex
-
-		Q_ASSERT ( block.firstIndex.isValid() );
-
-		const int firstIndexRow = block.firstIndex.row();
-
-		block.items.insert ( index.row() - firstIndexRow, Private::Item() );
-		block.height = -1;
-
-		q->visualRect ( index );
-		q->viewport()->update();
-	}
-
-	//BEGIN: update the items that are in quarantine in affected categories
-	{
-		const QModelIndex lastIndex = proxyModel->index ( end, q->modelColumn(), parent );
-		const QString category = categoryForIndex ( lastIndex );
-		Private::Block &block = blocks[category];
-		block.quarantineStart = block.firstIndex;
-	}
-	//END: update the items that are in quarantine in affected categories
-
-	//BEGIN: mark as in quarantine those categories that are under the affected ones
-	{
-		const QModelIndex firstIndex = proxyModel->index ( start, q->modelColumn(), parent );
-		const QString category = categoryForIndex ( firstIndex );
-		const QModelIndex firstAffectedCategory = blocks[category].firstIndex;
-		//BEGIN: order for marking as alternate those blocks that are alternate
-		QList<Block> blockList = blocks.values();
-		qSort ( blockList.begin(), blockList.end(), Block::lessThan );
-		QList<int> firstIndexesRows;
-		foreach ( const Block &block, blockList )
-		{
-			firstIndexesRows << block.firstIndex.row();
-		}
-		//END: order for marking as alternate those blocks that are alternate
-		for ( QHash<QString, Private::Block>::Iterator it = blocks.begin(); it != blocks.end(); ++it )
-		{
-			Private::Block &block = *it;
-			if ( block.firstIndex.row() > firstAffectedCategory.row() )
-			{
-				block.outOfQuarantine = false;
-				block.alternate = firstIndexesRows.indexOf ( block.firstIndex.row() ) % 2;
-			}
-			else if ( block.firstIndex.row() == firstAffectedCategory.row() )
-			{
-				block.alternate = firstIndexesRows.indexOf ( block.firstIndex.row() ) % 2;
-			}
-		}
-	}
-	//END: mark as in quarantine those categories that are under the affected ones
-}
-
-QRect KCategorizedView::Private::mapToViewport ( const QRect &rect ) const
-{
-	const int dx = -q->horizontalOffset();
-	const int dy = -q->verticalOffset();
-	return rect.adjusted ( dx, dy, dx, dy );
-}
-
-QRect KCategorizedView::Private::mapFromViewport ( const QRect &rect ) const
-{
-	const int dx = q->horizontalOffset();
-	const int dy = q->verticalOffset();
-	return rect.adjusted ( dx, dy, dx, dy );
-}
-
-int KCategorizedView::Private::highestElementInLastRow ( const Block &block ) const
-{
-	//Find the highest element in the last row
-	const QModelIndex lastIndex = proxyModel->index ( block.firstIndex.row() + block.items.count() - 1, q->modelColumn(), q->rootIndex() );
-	const QRect prevRect = q->visualRect ( lastIndex );
-	int res = prevRect.height();
-	QModelIndex prevIndex = proxyModel->index ( lastIndex.row() - 1, q->modelColumn(), q->rootIndex() );
-	if ( !prevIndex.isValid() )
-	{
-		return res;
-	}
-	Q_FOREVER
-	{
-		const QRect tempRect = q->visualRect ( prevIndex );
-		if ( tempRect.topLeft().y() < prevRect.topLeft().y() )
-		{
-			break;
-		}
-		res = qMax ( res, tempRect.height() );
-		if ( prevIndex == block.firstIndex )
-		{
-			break;
-		}
-		prevIndex = proxyModel->index ( prevIndex.row() - 1, q->modelColumn(), q->rootIndex() );
-	}
-
-	return res;
-}
-
-bool KCategorizedView::Private::hasGrid() const
-{
-	const QSize gridSize = q->gridSize();
-	return gridSize.isValid() && !gridSize.isNull();
-}
-
-QString KCategorizedView::Private::categoryForIndex ( const QModelIndex &index ) const
-{
-	const QModelIndex categoryIndex = index.model()->index ( index.row(), proxyModel->sortColumn(), index.parent() );
-	return categoryIndex.data ( KCategorizedSortFilterProxyModel::CategoryDisplayRole ).toString();
-}
-
-void KCategorizedView::Private::leftToRightVisualRect ( const QModelIndex &index, Item &item,
-  const Block &block, const QPoint &blockPos ) const
-{
-	const int firstIndexRow = block.firstIndex.row();
-
-	if ( hasGrid() )
-	{
-		const int relativeRow = index.row() - firstIndexRow;
-		const int maxItemsPerRow = qMax ( viewportWidth() / q->gridSize().width(), 1 );
-		if ( q->layoutDirection() == Qt::LeftToRight )
-		{
-			item.topLeft.rx() = ( relativeRow % maxItemsPerRow ) * q->gridSize().width() + blockPos.x() + categoryDrawer->leftMargin();
-		}
-		else
-		{
-			item.topLeft.rx() = viewportWidth() - ( ( relativeRow % maxItemsPerRow ) + 1 ) * q->gridSize().width() + categoryDrawer->leftMargin() + categorySpacing;
-		}
-		item.topLeft.ry() = ( relativeRow / maxItemsPerRow ) * q->gridSize().height();
-	}
-	else
-	{
-		if ( q->uniformItemSizes() /*|| q->uniformItemWidths()*/ )
-		{
-			const int relativeRow = index.row() - firstIndexRow;
-			const QSize itemSize = q->sizeHintForIndex ( index );
-			//HACK: Why is the -2 needed?
-			const int maxItemsPerRow = qMax ( ( viewportWidth() - q->spacing() - 2 ) / ( itemSize.width() + q->spacing() ), 1 );
-			if ( q->layoutDirection() == Qt::LeftToRight )
-			{
-				item.topLeft.rx() = ( relativeRow % maxItemsPerRow ) * itemSize.width() + blockPos.x() + categoryDrawer->leftMargin();
-			}
-			else
-			{
-				item.topLeft.rx() = viewportWidth() - ( relativeRow % maxItemsPerRow ) * itemSize.width() + categoryDrawer->leftMargin() + categorySpacing;
-			}
-			item.topLeft.ry() = ( relativeRow / maxItemsPerRow ) * itemSize.height();
-		}
-		else
-		{
-			const QSize currSize = q->sizeHintForIndex ( index );
-			if ( index != block.firstIndex )
-			{
-				const int viewportW = viewportWidth() - q->spacing();
-				QModelIndex prevIndex = proxyModel->index ( index.row() - 1, q->modelColumn(), q->rootIndex() );
-				QRect prevRect = q->visualRect ( prevIndex );
-				prevRect = mapFromViewport ( prevRect );
-				if ( ( prevRect.bottomRight().x() + 1 ) + currSize.width() - blockPos.x() + q->spacing()  > viewportW )
-				{
-					// we have to check the whole previous row, and see which one was the
-					// highest.
-					Q_FOREVER
-					{
-						prevIndex = proxyModel->index ( prevIndex.row() - 1, q->modelColumn(), q->rootIndex() );
-						QRect tempRect = q->visualRect ( prevIndex );
-						tempRect = mapFromViewport ( tempRect );
-						if ( tempRect.topLeft().y() < prevRect.topLeft().y() )
-						{
-							break;
-						}
-						if ( tempRect.bottomRight().y() > prevRect.bottomRight().y() )
-						{
-							prevRect = tempRect;
-						}
-						if ( prevIndex == block.firstIndex )
-						{
-							break;
-						}
-					}
-					if ( q->layoutDirection() == Qt::LeftToRight )
-					{
-						item.topLeft.rx() = categoryDrawer->leftMargin() + blockPos.x() + q->spacing();
-					}
-					else
-					{
-						item.topLeft.rx() = viewportWidth() - currSize.width() + categoryDrawer->leftMargin() + categorySpacing;
-					}
-					item.topLeft.ry() = ( prevRect.bottomRight().y() + 1 ) + q->spacing() - blockPos.y();
-				}
-				else
-				{
-					if ( q->layoutDirection() == Qt::LeftToRight )
-					{
-						item.topLeft.rx() = ( prevRect.bottomRight().x() + 1 ) + q->spacing();
-					}
-					else
-					{
-						item.topLeft.rx() = ( prevRect.bottomLeft().x() - 1 ) - q->spacing() - item.size.width() + categoryDrawer->leftMargin() + categorySpacing;
-					}
-					item.topLeft.ry() = prevRect.topLeft().y() - blockPos.y();
-				}
-			}
-			else
-			{
-				if ( q->layoutDirection() == Qt::LeftToRight )
-				{
-					item.topLeft.rx() = blockPos.x() + categoryDrawer->leftMargin() + q->spacing();
-				}
-				else
-				{
-					item.topLeft.rx() = viewportWidth() - currSize.width() + categoryDrawer->leftMargin() + categorySpacing;
-				}
-				item.topLeft.ry() = q->spacing();
-			}
-		}
-	}
-	item.size = q->sizeHintForIndex ( index );
-}
-
-void KCategorizedView::Private::topToBottomVisualRect ( const QModelIndex &index, Item &item,
-  const Block &block, const QPoint &blockPos ) const
-{
-	const int firstIndexRow = block.firstIndex.row();
-
-	if ( hasGrid() )
-	{
-		const int relativeRow = index.row() - firstIndexRow;
-		item.topLeft.rx() = blockPos.x() + categoryDrawer->leftMargin();
-		item.topLeft.ry() = relativeRow * q->gridSize().height();
-	}
-	else
-	{
-		if ( q->uniformItemSizes() )
-		{
-			const int relativeRow = index.row() - firstIndexRow;
-			const QSize itemSize = q->sizeHintForIndex ( index );
-			item.topLeft.rx() = blockPos.x() + categoryDrawer->leftMargin();
-			item.topLeft.ry() = relativeRow * itemSize.height();
-		}
-		else
-		{
-			if ( index != block.firstIndex )
-			{
-				QModelIndex prevIndex = proxyModel->index ( index.row() - 1, q->modelColumn(), q->rootIndex() );
-				QRect prevRect = q->visualRect ( prevIndex );
-				prevRect = mapFromViewport ( prevRect );
-				item.topLeft.rx() = blockPos.x() + categoryDrawer->leftMargin() + q->spacing();
-				item.topLeft.ry() = ( prevRect.bottomRight().y() + 1 ) + q->spacing() - blockPos.y();
-			}
-			else
-			{
-				item.topLeft.rx() = blockPos.x() + categoryDrawer->leftMargin() + q->spacing();
-				item.topLeft.ry() = q->spacing();
-			}
-		}
-	}
-	item.size = q->sizeHintForIndex ( index );
-	item.size.setWidth ( viewportWidth() );
-}
-
-void KCategorizedView::Private::_k_slotCollapseOrExpandClicked ( QModelIndex )
-{
-}
-
-//END: Private part
-
-//BEGIN: Public part
-
-KCategorizedView::KCategorizedView ( QWidget *parent )
-	: QListView ( parent )
-	, d ( new Private ( this ) )
-{
-}
-
-KCategorizedView::~KCategorizedView()
-{
-	delete d;
-}
-
-void KCategorizedView::setModel ( QAbstractItemModel *model )
-{
-	if ( d->proxyModel == model )
-	{
-		return;
-	}
-
-	d->blocks.clear();
-
-	if ( d->proxyModel )
-	{
-		disconnect ( d->proxyModel, SIGNAL ( layoutChanged() ), this, SLOT ( slotLayoutChanged() ) );
-	}
-
-	d->proxyModel = dynamic_cast<KCategorizedSortFilterProxyModel*> ( model );
-
-	if ( d->proxyModel )
-	{
-		connect ( d->proxyModel, SIGNAL ( layoutChanged() ), this, SLOT ( slotLayoutChanged() ) );
-	}
-
-	QListView::setModel ( model );
-
-	// if the model already had information inserted, update our data structures to it
-	if ( model->rowCount() )
-	{
-		slotLayoutChanged();
-	}
-}
-
-
-void KCategorizedView::setUniformItemWidths(bool enable)
-{
-	d->constantItemWidth = enable;
-}
-
-
-bool KCategorizedView::uniformItemWidths() const
-{
-	return d->constantItemWidth;
-}
-
-void KCategorizedView::setGridSize ( const QSize &size )
-{
-	setGridSizeOwn ( size );
-}
-
-void KCategorizedView::setGridSizeOwn ( const QSize &size )
-{
-	d->regenerateAllElements();
-	QListView::setGridSize ( size );
-}
-
-QRect KCategorizedView::visualRect ( const QModelIndex &index ) const
-{
-	if ( !d->isCategorized() )
-	{
-		return QListView::visualRect ( index );
-	}
-
-	if ( !index.isValid() )
-	{
-		return QRect();
-	}
-
-	const QString category = d->categoryForIndex ( index );
-
-	if ( !d->blocks.contains ( category ) )
-	{
-		return QRect();
-	}
-
-	Private::Block &block = d->blocks[category];
-	const int firstIndexRow = block.firstIndex.row();
-
-	Q_ASSERT ( block.firstIndex.isValid() );
-
-	if ( index.row() - firstIndexRow < 0 || index.row() - firstIndexRow >= block.items.count() )
-	{
-		return QRect();
-	}
-
-	const QPoint blockPos = d->blockPosition ( category );
-
-	Private::Item &ritem = block.items[index.row() - firstIndexRow];
-
-	if ( ritem.topLeft.isNull() || ( block.quarantineStart.isValid() &&
-	                                 index.row() >= block.quarantineStart.row() ) )
-	{
-		if ( flow() == LeftToRight )
-		{
-			d->leftToRightVisualRect ( index, ritem, block, blockPos );
-		}
-		else
-		{
-			d->topToBottomVisualRect ( index, ritem, block, blockPos );
-		}
-
-		//BEGIN: update the quarantine start
-		const bool wasLastIndex = ( index.row() == ( block.firstIndex.row() + block.items.count() - 1 ) );
-		if ( index.row() == block.quarantineStart.row() )
-		{
-			if ( wasLastIndex )
-			{
-				block.quarantineStart = QModelIndex();
-			}
-			else
-			{
-				const QModelIndex nextIndex = d->proxyModel->index ( index.row() + 1, modelColumn(), rootIndex() );
-				block.quarantineStart = nextIndex;
-			}
-		}
-		//END: update the quarantine start
-	}
-
-	// we get now the absolute position through the relative position of the parent block. do not
-	// save this on ritem, since this would override the item relative position in block terms.
-	Private::Item item ( ritem );
-	item.topLeft.ry() += blockPos.y();
-
-	const QSize sizeHint = item.size;
-
-	if ( d->hasGrid() )
-	{
-		const QSize sizeGrid = gridSize();
-		const QSize resultingSize = sizeHint.boundedTo ( sizeGrid );
-		QRect res ( item.topLeft.x() + ( ( sizeGrid.width() - resultingSize.width() ) / 2 ),
-		            item.topLeft.y(), resultingSize.width(), resultingSize.height() );
-		if ( block.collapsed )
-		{
-			// we can still do binary search, while we "hide" items. We move those items in collapsed
-			// blocks to the left and set a 0 height.
-			res.setLeft ( -resultingSize.width() );
-			res.setHeight ( 0 );
-		}
-		return d->mapToViewport ( res );
-	}
-
-	QRect res ( item.topLeft.x(), item.topLeft.y(), sizeHint.width(), sizeHint.height() );
-	if ( block.collapsed )
-	{
-		// we can still do binary search, while we "hide" items. We move those items in collapsed
-		// blocks to the left and set a 0 height.
-		res.setLeft ( -sizeHint.width() );
-		res.setHeight ( 0 );
-	}
-	return d->mapToViewport ( res );
-}
-
-KCategoryDrawer *KCategorizedView::categoryDrawer() const
-{
-	return d->categoryDrawer;
-}
-
-void KCategorizedView::setCategoryDrawer ( KCategoryDrawer *categoryDrawer )
-{
-	disconnect ( d->categoryDrawer, SIGNAL ( collapseOrExpandClicked ( QModelIndex ) ),
-	             this, SLOT ( slotCollapseOrExpandClicked ( QModelIndex ) ) );
-	d->categoryDrawer = categoryDrawer;
-
-	connect ( d->categoryDrawer, SIGNAL ( collapseOrExpandClicked ( QModelIndex ) ),
-	          this, SLOT ( slotCollapseOrExpandClicked ( QModelIndex ) ) );
-}
-
-int KCategorizedView::categorySpacing() const
-{
-	return d->categorySpacing;
-}
-
-void KCategorizedView::setCategorySpacing ( int categorySpacing )
-{
-	if ( d->categorySpacing == categorySpacing )
-	{
-		return;
-	}
-
-	d->categorySpacing = categorySpacing;
-
-	for ( QHash<QString, Private::Block>::Iterator it = d->blocks.begin(); it != d->blocks.end(); ++it )
-	{
-		Private::Block &block = *it;
-		block.outOfQuarantine = false;
-	}
-}
-
-bool KCategorizedView::alternatingBlockColors() const
-{
-	return d->alternatingBlockColors;
-}
-
-void KCategorizedView::setAlternatingBlockColors ( bool enable )
-{
-	d->alternatingBlockColors = enable;
-}
-
-bool KCategorizedView::collapsibleBlocks() const
-{
-	return d->collapsibleBlocks;
-}
-
-void KCategorizedView::setCollapsibleBlocks ( bool enable )
-{
-	d->collapsibleBlocks = enable;
-}
-
-QModelIndexList KCategorizedView::block ( const QString &category )
-{
-	QModelIndexList res;
-	const Private::Block &block = d->blocks[category];
-	if ( block.height == -1 )
-	{
-		return res;
-	}
-	QModelIndex current = block.firstIndex;
-	const int first = current.row();
-	for ( int i = 1; i <= block.items.count(); ++i )
-	{
-		if ( current.isValid() )
-		{
-			res << current;
-		}
-		current = d->proxyModel->index ( first + i, modelColumn(), rootIndex() );
-	}
-	return res;
-}
-
-QModelIndexList KCategorizedView::block ( const QModelIndex &representative )
-{
-	return block ( representative.data ( KCategorizedSortFilterProxyModel::CategoryDisplayRole ).toString() );
-}
-
-QModelIndex KCategorizedView::indexAt ( const QPoint &point ) const
-{
-	if ( !d->isCategorized() )
-	{
-		return QListView::indexAt ( point );
-	}
-
-	const int rowCount = d->proxyModel->rowCount();
-	if ( !rowCount )
-	{
-		return QModelIndex();
-	}
-
-	// Binary search that will try to spot if there is an index under point
-	int bottom = 0;
-	int top = rowCount - 1;
-	while ( bottom <= top )
-	{
-		const int middle = ( bottom + top ) / 2;
-		const QModelIndex index = d->proxyModel->index ( middle, modelColumn(), rootIndex() );
-		QRect rect = visualRect ( index );
-		const int verticalOff = verticalOffset();
-		int horizontalOff = horizontalOffset();
-		if ( layoutDirection() == Qt::RightToLeft )
-		{
-			horizontalOff *= -1;
-		}
-		rect.topLeft().ry() += verticalOff;
-		rect.topLeft().rx() += horizontalOff;
-		rect.bottomRight().ry() += verticalOff;
-		rect.bottomRight().rx() += horizontalOff;
-		if ( rect.contains ( point ) )
-		{
-			if ( index.model()->flags ( index ) & Qt::ItemIsEnabled )
-			{
-				return index;
-			}
-			return QModelIndex();
-		}
-		bool directionCondition;
-		if ( layoutDirection() == Qt::LeftToRight )
-		{
-			directionCondition = point.x() > rect.bottomRight().x();
-		}
-		else
-		{
-			directionCondition = point.x() < rect.bottomLeft().x();
-		}
-		if ( point.y() > rect.bottomRight().y() ||
-		     ( point.y() > rect.topLeft().y() && point.y() < rect.bottomRight().y() && directionCondition ) )
-		{
-			bottom = middle + 1;
-		}
-		else
-		{
-			top = middle - 1;
-		}
-	}
-	return QModelIndex();
-}
-
-void KCategorizedView::reset()
-{
-	d->blocks.clear();
-	QListView::reset();
-}
-
-void KCategorizedView::paintEvent ( QPaintEvent *event )
-{
-	if ( !d->isCategorized() )
-	{
-		QListView::paintEvent ( event );
-		return;
-	}
-
-	const QPair<QModelIndex, QModelIndex> intersecting = d->intersectingIndexesWithRect ( viewport()->rect().intersected ( event->rect() ) );
-
-	QPainter p ( viewport() );
-	p.save();
-
-	Q_ASSERT ( selectionModel()->model() == d->proxyModel );
-
-	//BEGIN: draw categories
-	QHash<QString, Private::Block>::ConstIterator it ( d->blocks.constBegin() );
-	while ( it != d->blocks.constEnd() )
-	{
-		const Private::Block &block = *it;
-		const QModelIndex categoryIndex = d->proxyModel->index ( block.firstIndex.row(), d->proxyModel->sortColumn(), rootIndex() );
-		QStyleOptionViewItemV4 option ( viewOptions() );
-		option.features |= d->alternatingBlockColors && block.alternate ? QStyleOptionViewItemV4::Alternate
-		                   : QStyleOptionViewItemV4::None;
-		option.state |= !d->collapsibleBlocks || !block.collapsed ? QStyle::State_Open
-		                : QStyle::State_None;
-		const int height = d->categoryDrawer->categoryHeight ( categoryIndex, option );
-		QPoint pos = d->blockPosition ( it.key() );
-		pos.ry() -= height;
-		option.rect.setTopLeft ( pos );
-		option.rect.setWidth ( d->viewportWidth() + d->categoryDrawer->leftMargin() + d->categoryDrawer->rightMargin() );
-		option.rect.setHeight ( height + d->blockHeight ( it.key() ) );
-		option.rect = d->mapToViewport ( option.rect );
-		if ( !option.rect.intersects ( viewport()->rect() ) )
-		{
-			++it;
-			continue;
-		}
-		d->categoryDrawer->drawCategory ( categoryIndex, d->proxyModel->sortRole(), option, &p );
-		++it;
-	}
-	//END: draw categories
-
-	if ( intersecting.first.isValid() && intersecting.second.isValid() )
-	{
-		//BEGIN: draw items
-		int i = intersecting.first.row();
-		int indexToCheckIfBlockCollapsed = i;
-		QModelIndex categoryIndex;
-		QString category;
-		Private::Block *block = 0;
-		while ( i <= intersecting.second.row() )
-		{
-			//BEGIN: first check if the block is collapsed. if so, we have to skip the item painting
-			if ( i == indexToCheckIfBlockCollapsed )
-			{
-				categoryIndex = d->proxyModel->index ( i, d->proxyModel->sortColumn(), rootIndex() );
-				category = categoryIndex.data ( KCategorizedSortFilterProxyModel::CategoryDisplayRole ).toString();
-				block = &d->blocks[category];
-				indexToCheckIfBlockCollapsed = block->firstIndex.row() + block->items.count();
-				if ( block->collapsed )
-				{
-					i = indexToCheckIfBlockCollapsed;
-					continue;
-				}
-			}
-			//END: first check if the block is collapsed. if so, we have to skip the item painting
-
-			Q_ASSERT ( block );
-
-			const bool alternateItem = ( i - block->firstIndex.row() ) % 2;
-
-			const QModelIndex index = d->proxyModel->index ( i, modelColumn(), rootIndex() );
-			const Qt::ItemFlags flags = d->proxyModel->flags ( index );
-			QStyleOptionViewItemV4 option ( viewOptions() );
-			option.rect = visualRect ( index );
-			option.widget = this;
-			option.features |= wordWrap() ? QStyleOptionViewItemV2::WrapText
-			                   : QStyleOptionViewItemV2::None;
-			option.features |= alternatingRowColors() && alternateItem ? QStyleOptionViewItemV4::Alternate
-			                   : QStyleOptionViewItemV4::None;
-			if ( flags & Qt::ItemIsSelectable )
-			{
-				option.state |= selectionModel()->isSelected ( index ) ? QStyle::State_Selected
-				                : QStyle::State_None;
-			}
-			else
-			{
-				option.state &= ~QStyle::State_Selected;
-			}
-			option.state |= ( index == currentIndex() ) ? QStyle::State_HasFocus
-			                : QStyle::State_None;
-			if ( ! ( flags & Qt::ItemIsEnabled ) )
-			{
-				option.state &= ~QStyle::State_Enabled;
-			}
-			else
-			{
-				option.state |= ( index == d->hoveredIndex ) ? QStyle::State_MouseOver
-				                : QStyle::State_None;
-			}
-
-			itemDelegate ( index )->paint ( &p, option, index );
-			++i;
-		}
-		//END: draw items
-	}
-
-	//BEGIN: draw selection rect
-	if ( isSelectionRectVisible() && d->rubberBandRect.isValid() )
-	{
-		QStyleOptionRubberBand opt;
-		opt.initFrom ( this );
-		opt.shape = QRubberBand::Rectangle;
-		opt.opaque = false;
-		opt.rect = d->mapToViewport ( d->rubberBandRect ).intersected ( viewport()->rect().adjusted ( -16, -16, 16, 16 ) );
-		p.save();
-		style()->drawControl ( QStyle::CE_RubberBand, &opt, &p );
-		p.restore();
-	}
-	//END: draw selection rect
-
-	p.restore();
-}
-
-void KCategorizedView::resizeEvent ( QResizeEvent *event )
-{
-	d->regenerateAllElements();
-	QListView::resizeEvent ( event );
-}
-
-void KCategorizedView::setSelection ( const QRect &rect,
-                                      QItemSelectionModel::SelectionFlags flags )
-{
-	if ( !d->isCategorized() )
-	{
-		QListView::setSelection ( rect, flags );
-		return;
-	}
-
-	if ( rect.topLeft() == rect.bottomRight() )
-	{
-		const QModelIndex index = indexAt ( rect.topLeft() );
-		selectionModel()->select ( index, flags );
-		return;
-	}
-
-	const QPair<QModelIndex, QModelIndex> intersecting = d->intersectingIndexesWithRect ( rect );
-
-	QItemSelection selection;
-
-	//TODO: think of a faster implementation
-	QModelIndex firstIndex;
-	QModelIndex lastIndex;
-	for ( int i = intersecting.first.row(); i <= intersecting.second.row(); ++i )
-	{
-		const QModelIndex index = d->proxyModel->index ( i, modelColumn(), rootIndex() );
-		const bool visualRectIntersects = visualRect ( index ).intersects ( rect );
-		if ( firstIndex.isValid() )
-		{
-			if ( visualRectIntersects )
-			{
-				lastIndex = index;
-			}
-			else
-			{
-				selection << QItemSelectionRange ( firstIndex, lastIndex );
-				firstIndex = QModelIndex();
-			}
-		}
-		else if ( visualRectIntersects )
-		{
-			firstIndex = index;
-			lastIndex = index;
-		}
-	}
-
-	if ( firstIndex.isValid() )
-	{
-		selection << QItemSelectionRange ( firstIndex, lastIndex );
-	}
-
-	selectionModel()->select ( selection, flags );
-}
-
-void KCategorizedView::mouseMoveEvent ( QMouseEvent *event )
-{
-	QListView::mouseMoveEvent ( event );
-	d->hoveredIndex = indexAt ( event->pos() );
-	const SelectionMode itemViewSelectionMode = selectionMode();
-	if ( state() == DragSelectingState && isSelectionRectVisible() && itemViewSelectionMode != SingleSelection
-	     && itemViewSelectionMode != NoSelection )
-	{
-		QRect rect ( d->pressedPosition, event->pos() + QPoint ( horizontalOffset(), verticalOffset() ) );
-		rect = rect.normalized();
-		update ( rect.united ( d->rubberBandRect ) );
-		d->rubberBandRect = rect;
-	}
-	QHash<QString, Private::Block>::ConstIterator it ( d->blocks.constBegin() );
-	while ( it != d->blocks.constEnd() )
-	{
-		const Private::Block &block = *it;
-		const QModelIndex categoryIndex = d->proxyModel->index ( block.firstIndex.row(), d->proxyModel->sortColumn(), rootIndex() );
-		QStyleOptionViewItemV4 option ( viewOptions() );
-		const int height = d->categoryDrawer->categoryHeight ( categoryIndex, option );
-		QPoint pos = d->blockPosition ( it.key() );
-		pos.ry() -= height;
-		option.rect.setTopLeft ( pos );
-		option.rect.setWidth ( d->viewportWidth() + d->categoryDrawer->leftMargin() + d->categoryDrawer->rightMargin() );
-		option.rect.setHeight ( height + d->blockHeight ( it.key() ) );
-		option.rect = d->mapToViewport ( option.rect );
-		const QPoint mousePos = viewport()->mapFromGlobal ( QCursor::pos() );
-		if ( option.rect.contains ( mousePos ) )
-		{
-			if ( d->categoryDrawer && d->hoveredBlock->height != -1 && *d->hoveredBlock != block )
-			{
-				const QModelIndex categoryIndex = d->proxyModel->index ( d->hoveredBlock->firstIndex.row(), d->proxyModel->sortColumn(), rootIndex() );
-				const QStyleOptionViewItemV4 option = d->blockRect ( categoryIndex );
-				d->categoryDrawer->mouseLeft ( categoryIndex, option.rect );
-				*d->hoveredBlock = block;
-				d->hoveredCategory = it.key();
-				viewport()->update ( option.rect );
-			}
-			else if ( d->hoveredBlock->height == -1 )
-			{
-				*d->hoveredBlock = block;
-				d->hoveredCategory = it.key();
-			}
-			else if ( d->categoryDrawer )
-			{
-				d->categoryDrawer->mouseMoved ( categoryIndex, option.rect, event );
-			}
-			viewport()->update ( option.rect );
-			return;
-		}
-		++it;
-	}
-	if ( d->categoryDrawer && d->hoveredBlock->height != -1 )
-	{
-		const QModelIndex categoryIndex = d->proxyModel->index ( d->hoveredBlock->firstIndex.row(), d->proxyModel->sortColumn(), rootIndex() );
-		const QStyleOptionViewItemV4 option = d->blockRect ( categoryIndex );
-		d->categoryDrawer->mouseLeft ( categoryIndex, option.rect );
-		*d->hoveredBlock = Private::Block();
-		d->hoveredCategory = QString();
-		viewport()->update ( option.rect );
-	}
-}
-
-void KCategorizedView::mousePressEvent ( QMouseEvent *event )
-{
-	if ( event->button() == Qt::LeftButton )
-	{
-		d->pressedPosition = event->pos();
-		d->pressedPosition.rx() += horizontalOffset();
-		d->pressedPosition.ry() += verticalOffset();
-	}
-	if ( !d->categoryDrawer )
-	{
-		QListView::mousePressEvent ( event );
-		return;
-	}
-	QHash<QString, Private::Block>::ConstIterator it ( d->blocks.constBegin() );
-	while ( it != d->blocks.constEnd() )
-	{
-		const Private::Block &block = *it;
-		const QModelIndex categoryIndex = d->proxyModel->index ( block.firstIndex.row(), d->proxyModel->sortColumn(), rootIndex() );
-		const QStyleOptionViewItemV4 option = d->blockRect ( categoryIndex );
-		const QPoint mousePos = viewport()->mapFromGlobal ( QCursor::pos() );
-		if ( option.rect.contains ( mousePos ) )
-		{
-			if ( d->categoryDrawer )
-			{
-				d->categoryDrawer->mouseButtonPressed ( categoryIndex, option.rect, event );
-			}
-			viewport()->update ( option.rect );
-			if ( !event->isAccepted() )
-			{
-				QListView::mousePressEvent ( event );
-			}
-			return;
-		}
-		++it;
-	}
-	QListView::mousePressEvent ( event );
-}
-
-void KCategorizedView::mouseReleaseEvent ( QMouseEvent *event )
-{
-	d->pressedPosition = QPoint();
-	d->rubberBandRect = QRect();
-	QHash<QString, Private::Block>::ConstIterator it ( d->blocks.constBegin() );
-	while ( it != d->blocks.constEnd() )
-	{
-		const Private::Block &block = *it;
-		const QModelIndex categoryIndex = d->proxyModel->index ( block.firstIndex.row(), d->proxyModel->sortColumn(), rootIndex() );
-		const QStyleOptionViewItemV4 option = d->blockRect ( categoryIndex );
-		const QPoint mousePos = viewport()->mapFromGlobal ( QCursor::pos() );
-		if ( option.rect.contains ( mousePos ) )
-		{
-			if ( d->categoryDrawer )
-			{
-				d->categoryDrawer->mouseButtonReleased ( categoryIndex, option.rect, event );
-			}
-			viewport()->update ( option.rect );
-			if ( !event->isAccepted() )
-			{
-				QListView::mouseReleaseEvent ( event );
-			}
-			return;
-		}
-		++it;
-	}
-	QListView::mouseReleaseEvent ( event );
-}
-
-void KCategorizedView::leaveEvent ( QEvent *event )
-{
-	QListView::leaveEvent ( event );
-	if ( d->hoveredIndex.isValid() )
-	{
-		viewport()->update ( visualRect ( d->hoveredIndex ) );
-		d->hoveredIndex = QModelIndex();
-	}
-	if ( d->categoryDrawer && d->hoveredBlock->height != -1 )
-	{
-		const QModelIndex categoryIndex = d->proxyModel->index ( d->hoveredBlock->firstIndex.row(), d->proxyModel->sortColumn(), rootIndex() );
-		const QStyleOptionViewItemV4 option = d->blockRect ( categoryIndex );
-		d->categoryDrawer->mouseLeft ( categoryIndex, option.rect );
-		*d->hoveredBlock = Private::Block();
-		d->hoveredCategory = QString();
-		viewport()->update ( option.rect );
-	}
-}
-
-void KCategorizedView::startDrag ( Qt::DropActions supportedActions )
-{
-	QListView::startDrag ( supportedActions );
-}
-
-void KCategorizedView::dragMoveEvent ( QDragMoveEvent *event )
-{
-	QListView::dragMoveEvent ( event );
-	d->hoveredIndex = indexAt ( event->pos() );
-}
-
-void KCategorizedView::dragEnterEvent ( QDragEnterEvent *event )
-{
-	QListView::dragEnterEvent ( event );
-}
-
-void KCategorizedView::dragLeaveEvent ( QDragLeaveEvent *event )
-{
-	QListView::dragLeaveEvent ( event );
-}
-
-void KCategorizedView::dropEvent ( QDropEvent *event )
-{
-	QListView::dropEvent ( event );
-}
-
-//TODO: improve se we take into account collapsed blocks
-//TODO: take into account when there is no grid and no uniformItemSizes
-QModelIndex KCategorizedView::moveCursor ( CursorAction cursorAction,
-  Qt::KeyboardModifiers modifiers )
-{
-	if ( !d->isCategorized() )
-	{
-		return QListView::moveCursor ( cursorAction, modifiers );
-	}
-
-	const QModelIndex current = currentIndex();
-	const QRect currentRect = visualRect ( current );
-	if ( !current.isValid() )
-	{
-		const int rowCount = d->proxyModel->rowCount ( rootIndex() );
-		if ( !rowCount )
-		{
-			return QModelIndex();
-		}
-		return d->proxyModel->index ( 0, modelColumn(), rootIndex() );
-	}
-
-	switch ( cursorAction )
-	{
-	case MoveLeft:
-	{
-		if ( !current.row() )
-		{
-			return QModelIndex();
-		}
-		const QModelIndex previous = d->proxyModel->index ( current.row() - 1, modelColumn(), rootIndex() );
-		const QRect previousRect = visualRect ( previous );
-		if ( previousRect.top() == currentRect.top() )
-		{
-			return previous;
-		}
-
-		return QModelIndex();
-	}
-	case MoveRight:
-	{
-		if ( current.row() == d->proxyModel->rowCount() - 1 )
-		{
-			return QModelIndex();
-		}
-		const QModelIndex next = d->proxyModel->index ( current.row() + 1, modelColumn(), rootIndex() );
-		const QRect nextRect = visualRect ( next );
-		if ( nextRect.top() == currentRect.top() )
-		{
-			return next;
-		}
-
-		return QModelIndex();
-	}
-	case MoveDown:
-	{
-		if ( d->hasGrid() || uniformItemSizes() || uniformItemWidths() )
-		{
-			const QModelIndex current = currentIndex();
-			const QSize itemSize = d->hasGrid() ? gridSize()
-			                       : sizeHintForIndex ( current );
-			const Private::Block &block = d->blocks[d->categoryForIndex ( current )];
-			//HACK: Why is the -2 needed?
-			const int maxItemsPerRow = qMax ( ( d->viewportWidth() - spacing() - 2 ) / ( itemSize.width() + spacing() ), 1 );
-			const bool canMove = current.row() + maxItemsPerRow < block.firstIndex.row() +
-			                     block.items.count();
-
-			if ( canMove )
-			{
-				return d->proxyModel->index ( current.row() + maxItemsPerRow, modelColumn(), rootIndex() );
-			}
-
-			const int currentRelativePos = ( current.row() - block.firstIndex.row() ) % maxItemsPerRow;
-			const QModelIndex nextIndex = d->proxyModel->index ( block.firstIndex.row() + block.items.count(), modelColumn(), rootIndex() );
-
-			if ( !nextIndex.isValid() )
-			{
-				return QModelIndex();
-			}
-
-			const Private::Block &nextBlock = d->blocks[d->categoryForIndex ( nextIndex )];
-
-			if ( nextBlock.items.count() <= currentRelativePos )
-			{
-				return QModelIndex();
-			}
-
-			if ( currentRelativePos < ( block.items.count() % maxItemsPerRow ) )
-			{
-				return d->proxyModel->index ( nextBlock.firstIndex.row() + currentRelativePos, modelColumn(), rootIndex() );
-			}
-
-			return QModelIndex();
-		}
-	}
-	case MoveUp:
-	{
-		if ( d->hasGrid() || uniformItemSizes() || uniformItemWidths() )
-		{
-			const QModelIndex current = currentIndex();
-			const QSize itemSize = d->hasGrid() ? gridSize()
-			                       : sizeHintForIndex ( current );
-			const Private::Block &block = d->blocks[d->categoryForIndex ( current )];
-			//HACK: Why is the -2 needed?
-			const int maxItemsPerRow = qMax ( ( d->viewportWidth() - spacing() - 2 ) / ( itemSize.width() + spacing() ), 1 );
-			const bool canMove = current.row() - maxItemsPerRow >= block.firstIndex.row();
-
-			if ( canMove )
-			{
-				return d->proxyModel->index ( current.row() - maxItemsPerRow, modelColumn(), rootIndex() );
-			}
-
-			const int currentRelativePos = ( current.row() - block.firstIndex.row() ) % maxItemsPerRow;
-			const QModelIndex prevIndex = d->proxyModel->index ( block.firstIndex.row() - 1, modelColumn(), rootIndex() );
-
-			if ( !prevIndex.isValid() )
-			{
-				return QModelIndex();
-			}
-
-			const Private::Block &prevBlock = d->blocks[d->categoryForIndex ( prevIndex )];
-
-			if ( prevBlock.items.count() <= currentRelativePos )
-			{
-				return QModelIndex();
-			}
-
-			const int remainder = prevBlock.items.count() % maxItemsPerRow;
-			if ( currentRelativePos < remainder )
-			{
-				return d->proxyModel->index ( prevBlock.firstIndex.row() + prevBlock.items.count() - remainder + currentRelativePos, modelColumn(), rootIndex() );
-			}
-
-			return QModelIndex();
-		}
-	}
-	default:
-		break;
-	}
-
-	return QModelIndex();
-}
-
-void KCategorizedView::rowsAboutToBeRemoved ( const QModelIndex &parent,
-  int start,
-  int end )
-{
-	if ( !d->isCategorized() )
-	{
-		QListView::rowsAboutToBeRemoved ( parent, start, end );
-		return;
-	}
-
-	*d->hoveredBlock = Private::Block();
-	d->hoveredCategory = QString();
-
-	if ( end - start + 1 == d->proxyModel->rowCount() )
-	{
-		d->blocks.clear();
-		QListView::rowsAboutToBeRemoved ( parent, start, end );
-		return;
-	}
-
-	// Removal feels a bit more complicated than insertion. Basically we can consider there are
-	// 3 different cases when going to remove items. (*) represents an item, Items between ([) and
-	// (]) are the ones which are marked for removal.
-	//
-	// - 1st case:
-	//              ... * * * * * * [ * * * ...
-	//
-	//   The items marked for removal are the last part of this category. No need to mark any item
-	//   of this category as in quarantine, because no special offset will be pushed to items at
-	//   the right because of any changes (since the removed items are those on the right most part
-	//   of the category).
-	//
-	// - 2nd case:
-	//              ... * * * * * * ] * * * ...
-	//
-	//   The items marked for removal are the first part of this category. We have to mark as in
-	//   quarantine all items in this category. Absolutely all. All items will have to be moved to
-	//   the left (or moving up, because rows got a different offset).
-	//
-	// - 3rd case:
-	//              ... * * [ * * * * ] * * ...
-	//
-	//   The items marked for removal are in between of this category. We have to mark as in
-	//   quarantine only those items that are at the right of the end of the removal interval,
-	//   (starting on "]").
-	//
-	// It hasn't been explicitly said, but when we remove, we have to mark all blocks that are
-	// located under the top most affected category as in quarantine (the block itself, as a whole),
-	// because such a change can force it to have a different offset (note that items themselves
-	// contain relative positions to the block, so marking the block as in quarantine is enough).
-	//
-	// Also note that removal implicitly means that we have to update correctly firstIndex of each
-	// block, and in general keep updated the internal information of elements.
-
-	QStringList listOfCategoriesMarkedForRemoval;
-
-	QString lastCategory;
-	int alreadyRemoved = 0;
-	for ( int i = start; i <= end; ++i )
-	{
-		const QModelIndex index = d->proxyModel->index ( i, modelColumn(), parent );
-
-		Q_ASSERT ( index.isValid() );
-
-		const QString category = d->categoryForIndex ( index );
-
-		if ( lastCategory != category )
-		{
-			lastCategory = category;
-			alreadyRemoved = 0;
-		}
-
-		Private::Block &block = d->blocks[category];
-		block.items.removeAt ( i - block.firstIndex.row() - alreadyRemoved );
-		++alreadyRemoved;
-
-		if ( !block.items.count() )
-		{
-			listOfCategoriesMarkedForRemoval << category;
-		}
-
-		block.height = -1;
-
-		viewport()->update();
-	}
-
-	//BEGIN: update the items that are in quarantine in affected categories
-	{
-		const QModelIndex lastIndex = d->proxyModel->index ( end, modelColumn(), parent );
-		const QString category = d->categoryForIndex ( lastIndex );
-		Private::Block &block = d->blocks[category];
-		if ( block.items.count() && start <= block.firstIndex.row() && end >= block.firstIndex.row() )
-		{
-			block.firstIndex = d->proxyModel->index ( end + 1, modelColumn(), parent );
-		}
-		block.quarantineStart = block.firstIndex;
-	}
-	//END: update the items that are in quarantine in affected categories
-
-	Q_FOREACH ( const QString &category, listOfCategoriesMarkedForRemoval )
-	{
-		d->blocks.remove ( category );
-	}
-
-	//BEGIN: mark as in quarantine those categories that are under the affected ones
-	{
-		//BEGIN: order for marking as alternate those blocks that are alternate
-		QList<Private::Block> blockList = d->blocks.values();
-		qSort ( blockList.begin(), blockList.end(), Private::Block::lessThan );
-		QList<int> firstIndexesRows;
-		foreach ( const Private::Block &block, blockList )
-		{
-			firstIndexesRows << block.firstIndex.row();
-		}
-		//END: order for marking as alternate those blocks that are alternate
-		for ( QHash<QString, Private::Block>::Iterator it = d->blocks.begin(); it != d->blocks.end(); ++it )
-		{
-			Private::Block &block = *it;
-			if ( block.firstIndex.row() > start )
-			{
-				block.outOfQuarantine = false;
-				block.alternate = firstIndexesRows.indexOf ( block.firstIndex.row() ) % 2;
-			}
-			else if ( block.firstIndex.row() == start )
-			{
-				block.alternate = firstIndexesRows.indexOf ( block.firstIndex.row() ) % 2;
-			}
-		}
-	}
-	//END: mark as in quarantine those categories that are under the affected ones
-
-	QListView::rowsAboutToBeRemoved ( parent, start, end );
-}
-
-void KCategorizedView::updateGeometries()
-{
-	const int oldVerticalOffset = verticalOffset();
-	const Qt::ScrollBarPolicy verticalP = verticalScrollBarPolicy(), horizontalP = horizontalScrollBarPolicy();
-
-	//BEGIN bugs 213068, 287847 ------------------------------------------------------------
-	/*
-	 * QListView::updateGeometries() has it's own opinion on whether the scrollbars should be visible (valid range) or not
-	 * and triggers a (sometimes additionally timered) resize through ::layoutChildren()
-	 * http://qt.gitorious.org/qt/qt/blobs/4.7/src/gui/itemviews/qlistview.cpp#line1499
-	 * (the comment above the main block isn't all accurate, layoutChldren is called regardless of the policy)
-	 *
-	 * As a result QListView and KCategorizedView occasionally started a race on the scrollbar visibility, effectively blocking the UI
-	 * So we prevent QListView from having an own opinion on the scrollbar visibility by
-	 * fixing it before calling the baseclass QListView::updateGeometries()
-	 *
-	 * Since the implicit show/hide by the followin range setting will cause further resizes if the policy is Qt::ScrollBarAsNeeded
-	 * we keep it static until we're done, then restore the original value and ultimately change the scrollbar visibility ourself.
-	 */
-	if ( d->isCategorized() ) // important! - otherwise we'd pollute the setting if the view is initially not categorized
-	{
-		setVerticalScrollBarPolicy ( ( verticalP == Qt::ScrollBarAlwaysOn || verticalScrollBar()->isVisibleTo ( this ) ) ?
-		                             Qt::ScrollBarAlwaysOn : Qt::ScrollBarAlwaysOff );
-		setHorizontalScrollBarPolicy ( ( horizontalP == Qt::ScrollBarAlwaysOn || horizontalScrollBar()->isVisibleTo ( this ) ) ?
-		                               Qt::ScrollBarAlwaysOn : Qt::ScrollBarAlwaysOff );
-	}
-	//END bugs 213068, 287847 --------------------------------------------------------------
-
-	QListView::updateGeometries();
-
-	if ( !d->isCategorized() )
-	{
-		return;
-	}
-
-	const int rowCount = d->proxyModel->rowCount();
-	if ( !rowCount )
-	{
-		verticalScrollBar()->setRange ( 0, 0 );
-		// unconditional, see function end todo
-		horizontalScrollBar()->setRange ( 0, 0 );
-		return;
-	}
-
-	const QModelIndex lastIndex = d->proxyModel->index ( rowCount - 1, modelColumn(), rootIndex() );
-	Q_ASSERT ( lastIndex.isValid() );
-	QRect lastItemRect = visualRect ( lastIndex );
-
-	if ( d->hasGrid() )
-	{
-		lastItemRect.setSize ( lastItemRect.size().expandedTo ( gridSize() ) );
-	}
-	else
-	{
-		if ( uniformItemSizes() )
-		{
-			QSize itemSize = sizeHintForIndex ( lastIndex );
-			itemSize.setHeight ( itemSize.height() + spacing() );
-			lastItemRect.setSize ( itemSize );
-		}
-		else
-		{
-			QSize itemSize = sizeHintForIndex ( lastIndex );
-			const QString category = d->categoryForIndex ( lastIndex );
-			itemSize.setHeight ( d->highestElementInLastRow ( d->blocks[category] ) + spacing() );
-			lastItemRect.setSize ( itemSize );
-		}
-	}
-
-	const int bottomRange = lastItemRect.bottomRight().y() + verticalOffset() - viewport()->height();
-
-	if ( verticalScrollMode() == ScrollPerItem )
-	{
-		verticalScrollBar()->setSingleStep ( lastItemRect.height() );
-		const int rowsPerPage = qMax ( viewport()->height() / lastItemRect.height(), 1 );
-		verticalScrollBar()->setPageStep ( rowsPerPage * lastItemRect.height() );
-	}
-
-	verticalScrollBar()->setRange ( 0, bottomRange );
-	verticalScrollBar()->setValue ( oldVerticalOffset );
-
-	//TODO: also consider working with the horizontal scroll bar. since at this level I am not still
-	//      supporting "top to bottom" flow, there is no real problem. If I support that someday
-	//      (think how to draw categories), we would have to take care of the horizontal scroll bar too.
-	//      In theory, as KCategorizedView has been designed, there is no need of horizontal scroll bar.
-	horizontalScrollBar()->setRange ( 0, 0 );
-
-	//BEGIN bugs 213068, 287847 ------------------------------------------------------------
-	// restoring values from above ...
-	setVerticalScrollBarPolicy ( verticalP );
-	setHorizontalScrollBarPolicy ( horizontalP );
-	// ... and correct the visibility
-	bool validRange = verticalScrollBar()->maximum() != verticalScrollBar()->minimum();
-	if ( verticalP == Qt::ScrollBarAsNeeded && ( verticalScrollBar()->isVisibleTo ( this ) != validRange ) )
-		verticalScrollBar()->setVisible ( validRange );
-	validRange = horizontalScrollBar()->maximum() > horizontalScrollBar()->minimum();
-	if ( horizontalP == Qt::ScrollBarAsNeeded && ( horizontalScrollBar()->isVisibleTo ( this ) != validRange ) )
-		horizontalScrollBar()->setVisible ( validRange );
-	//END bugs 213068, 287847 --------------------------------------------------------------
-}
-
-void KCategorizedView::currentChanged ( const QModelIndex &current,
-                                        const QModelIndex &previous )
-{
-	QListView::currentChanged ( current, previous );
-}
-
-void KCategorizedView::dataChanged ( const QModelIndex &topLeft,
-                                     const QModelIndex &bottomRight )
-{
-	QListView::dataChanged ( topLeft, bottomRight );
-	if ( !d->isCategorized() )
-	{
-		return;
-	}
-
-	*d->hoveredBlock = Private::Block();
-	d->hoveredCategory = QString();
-
-	//BEGIN: since the model changed data, we need to reconsider item sizes
-	int i = topLeft.row();
-	int indexToCheck = i;
-	QModelIndex categoryIndex;
-	QString category;
-	Private::Block *block;
-	while ( i <= bottomRight.row() )
-	{
-		const QModelIndex currIndex = d->proxyModel->index ( i, modelColumn(), rootIndex() );
-		if ( i == indexToCheck )
-		{
-			categoryIndex = d->proxyModel->index ( i, d->proxyModel->sortColumn(), rootIndex() );
-			category = categoryIndex.data ( KCategorizedSortFilterProxyModel::CategoryDisplayRole ).toString();
-			block = &d->blocks[category];
-			block->quarantineStart = currIndex;
-			indexToCheck = block->firstIndex.row() + block->items.count();
-		}
-		visualRect ( currIndex );
-		++i;
-	}
-	//END: since the model changed data, we need to reconsider item sizes
-}
-
-void KCategorizedView::rowsInserted ( const QModelIndex &parent,
-                                      int start,
-                                      int end )
-{
-	QListView::rowsInserted ( parent, start, end );
-	if ( !d->isCategorized() )
-	{
-		return;
-	}
-
-	*d->hoveredBlock = Private::Block();
-	d->hoveredCategory = QString();
-	d->rowsInserted ( parent, start, end );
-}
-
-void KCategorizedView::slotLayoutChanged()
-{
-	if ( !d->isCategorized() )
-	{
-		return;
-	}
-
-	d->blocks.clear();
-	*d->hoveredBlock = Private::Block();
-	d->hoveredCategory = QString();
-	if ( d->proxyModel->rowCount() )
-	{
-		d->rowsInserted ( rootIndex(), 0, d->proxyModel->rowCount() - 1 );
-	}
-}
-//END: Public part
-
-void KCategorizedView::slotCollapseOrExpandClicked ( QModelIndex idx )
-{
-	d->_k_slotCollapseOrExpandClicked ( idx );
-}
-
-
-#include "categorizedview.moc"