Rename KListView to KCategorizedView as decided

svn path=/trunk/KDE/kdebase/apps/; revision=685767

1 files changed, 0 insertions, 1240 deletions

diff --git a/src/klistview.cpp b/src/klistview.cpp
deleted file mode 100644
index 4db18e1f4..000000000
--- a/src/klistview.cpp
+++ /dev/null
@@ -1,1240 +0,0 @@
-/**
-  * This file is part of the KDE project
-  * Copyright (C) 2007 Rafael Fernández López <[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., 51 Franklin Street, Fifth Floor,
-  * Boston, MA 02110-1301, USA.
-  */
-
-#include "klistview.h"
-#include "klistview_p.h"
-
-#include <math.h> // trunc on C99 compliant systems
-#include <kdefakes.h> // trunc for not C99 compliant systems
-
-#include <QApplication>
-#include <QPainter>
-#include <QScrollBar>
-#include <QPaintEvent>
-
-#include <kdebug.h>
-#include <kstyle.h>
-
-#include "kitemcategorizer.h"
-#include "ksortfilterproxymodel.h"
-
-class LessThan
-{
-public:
-    enum Purpose
-    {
-        GeneralPurpose = 0,
-        CategoryPurpose
-    };
-
-    inline LessThan(const KSortFilterProxyModel *proxyModel,
-                    Purpose purpose)
-        : proxyModel(proxyModel)
-        , purpose(purpose)
-    {
-    }
-
-    inline bool operator()(const QModelIndex &left,
-                           const QModelIndex &right) const
-    {
-        if (purpose == GeneralPurpose)
-        {
-            return proxyModel->sortOrder() == Qt::AscendingOrder ?
-                   proxyModel->lessThanGeneralPurpose(left, right) :
-                   !proxyModel->lessThanGeneralPurpose(left, right);
-        }
-
-        return proxyModel->sortOrder() == Qt::AscendingOrder ?
-               proxyModel->lessThanCategoryPurpose(left, right) :
-               !proxyModel->lessThanCategoryPurpose(left, right);
-    }
-
-private:
-    const KSortFilterProxyModel *proxyModel;
-    const Purpose purpose;
-};
-
-
-//==============================================================================
-
-
-KListView::Private::Private(KListView *listView)
-    : listView(listView)
-    , itemCategorizer(0)
-    , mouseButtonPressed(false)
-    , isDragging(false)
-    , dragLeftViewport(false)
-    , proxyModel(0)
-    , lastIndex(QModelIndex())
-{
-}
-
-KListView::Private::~Private()
-{
-}
-
-const QModelIndexList &KListView::Private::intersectionSet(const QRect &rect)
-{
-    QModelIndex index;
-    QRect indexVisualRect;
-
-    intersectedIndexes.clear();
-
-    // Lets find out where we should start
-    int top = proxyModel->rowCount() - 1;
-    int bottom = 0;
-    int middle = (top + bottom) / 2;
-    while (bottom <= top)
-    {
-        middle = (top + bottom) / 2;
-
-        index = elementDictionary[proxyModel->index(middle, 0)];
-        indexVisualRect = visualRect(index);
-
-        if (qMax(indexVisualRect.topLeft().y(),
-                 indexVisualRect.bottomRight().y()) < qMin(rect.topLeft().y(),
-                                                        rect.bottomRight().y()))
-        {
-            bottom = middle + 1;
-        }
-        else
-        {
-            top = middle - 1;
-        }
-    }
-
-    for (int i = middle; i < proxyModel->rowCount(); i++)
-    {
-        index = elementDictionary[proxyModel->index(i, 0)];
-        indexVisualRect = visualRect(index);
-
-        if (rect.intersects(indexVisualRect))
-            intersectedIndexes.append(index);
-
-        // If we passed next item, stop searching for hits
-        if (qMax(rect.bottomRight().y(), rect.topLeft().y()) <
-                                                  qMin(indexVisualRect.topLeft().y(),
-                                                       indexVisualRect.bottomRight().y()))
-            break;
-    }
-
-    return intersectedIndexes;
-}
-
-QRect KListView::Private::visualRectInViewport(const QModelIndex &index) const
-{
-    if (!index.isValid())
-        return QRect();
-
-    QString curCategory = elementsInfo[index].category;
-
-    QRect retRect(listView->spacing(), listView->spacing() * 2 +
-                  itemCategorizer->categoryHeight(listView->viewOptions()), 0, 0);
-
-    int viewportWidth = listView->viewport()->width() - listView->spacing();
-
-    // We really need all items to be of same size. Otherwise we cannot do this
-    // (ereslibre)
-    // QSize itemSize =
-    //             listView->sizeHintForIndex(proxyModel->mapFromSource(index));
-    // int itemHeight = itemSize.height();
-    // int itemWidth = itemSize.width();*/
-    int itemHeight = 107;
-    int itemWidth = 130;
-    int itemWidthPlusSeparation = listView->spacing() + itemWidth;
-    int elementsPerRow = viewportWidth / itemWidthPlusSeparation;
-    if (!elementsPerRow)
-        elementsPerRow++;
-
-    int column = elementsInfo[index].relativeOffsetToCategory % elementsPerRow;
-    int row = elementsInfo[index].relativeOffsetToCategory / elementsPerRow;
-
-    retRect.setLeft(retRect.left() + column * listView->spacing() +
-                    column * itemWidth);
-
-    foreach (const QString &category, categories)
-    {
-        if (category == curCategory)
-            break;
-
-        float rows = (float) ((float) categoriesIndexes[category].count() /
-                              (float) elementsPerRow);
-        int rowsInt = categoriesIndexes[category].count() / elementsPerRow;
-
-        if (rows - trunc(rows)) rowsInt++;
-
-        retRect.setTop(retRect.top() +
-                       (rowsInt * listView->spacing()) +
-                       (rowsInt * itemHeight) +
-                       itemCategorizer->categoryHeight(listView->viewOptions()) +
-                       listView->spacing() * 2);
-    }
-
-    retRect.setTop(retRect.top() + row * listView->spacing() +
-                   row * itemHeight);
-
-    retRect.setWidth(itemWidth);
-    retRect.setHeight(itemHeight);
-
-    return retRect;
-}
-
-QRect KListView::Private::visualCategoryRectInViewport(const QString &category)
-                                                                           const
-{
-    QRect retRect(listView->spacing(),
-                  listView->spacing(),
-                  listView->viewport()->width() - listView->spacing() * 2,
-                  0);
-
-    if (!proxyModel->rowCount() || !categories.contains(category))
-        return QRect();
-
-    QModelIndex index = proxyModel->index(0, 0, QModelIndex());
-
-    int viewportWidth = listView->viewport()->width() - listView->spacing();
-
-    // We really need all items to be of same size. Otherwise we cannot do this
-    // (ereslibre)
-    // QSize itemSize = listView->sizeHintForIndex(index);
-    // int itemHeight = itemSize.height();
-    // int itemWidth = itemSize.width();
-    int itemHeight = 107;
-    int itemWidth = 130;
-    int itemWidthPlusSeparation = listView->spacing() + itemWidth;
-    int elementsPerRow = viewportWidth / itemWidthPlusSeparation;
-
-    if (!elementsPerRow)
-        elementsPerRow++;
-
-    foreach (const QString &itCategory, categories)
-    {
-        if (itCategory == category)
-            break;
-
-        float rows = (float) ((float) categoriesIndexes[itCategory].count() /
-                              (float) elementsPerRow);
-        int rowsInt = categoriesIndexes[itCategory].count() / elementsPerRow;
-
-        if (rows - trunc(rows)) rowsInt++;
-
-        retRect.setTop(retRect.top() +
-                       (rowsInt * listView->spacing()) +
-                       (rowsInt * itemHeight) +
-                       itemCategorizer->categoryHeight(listView->viewOptions()) +
-                       listView->spacing() * 2);
-    }
-
-    retRect.setHeight(itemCategorizer->categoryHeight(listView->viewOptions()));
-
-    return retRect;
-}
-
-// We're sure elementsPosition doesn't contain index
-const QRect &KListView::Private::cacheIndex(const QModelIndex &index)
-{
-    QRect rect = visualRectInViewport(index);
-    elementsPosition[index] = rect;
-
-    return elementsPosition[index];
-}
-
-// We're sure categoriesPosition doesn't contain category
-const QRect &KListView::Private::cacheCategory(const QString &category)
-{
-    QRect rect = visualCategoryRectInViewport(category);
-    categoriesPosition[category] = rect;
-
-    return categoriesPosition[category];
-}
-
-const QRect &KListView::Private::cachedRectIndex(const QModelIndex &index)
-{
-    if (elementsPosition.contains(index)) // If we have it cached
-    {                                        // return it
-        return elementsPosition[index];
-    }
-    else                                     // Otherwise, cache it
-    {                                        // and return it
-        return cacheIndex(index);
-    }
-}
-
-const QRect &KListView::Private::cachedRectCategory(const QString &category)
-{
-    if (categoriesPosition.contains(category)) // If we have it cached
-    {                                                // return it
-        return categoriesPosition[category];
-    }
-    else                                            // Otherwise, cache it and
-    {                                               // return it
-        return cacheCategory(category);
-    }
-}
-
-QRect KListView::Private::visualRect(const QModelIndex &index)
-{
-    QModelIndex mappedIndex = proxyModel->mapToSource(index);
-
-    QRect retRect = cachedRectIndex(mappedIndex);
-    int dx = -listView->horizontalOffset();
-    int dy = -listView->verticalOffset();
-    retRect.adjust(dx, dy, dx, dy);
-
-    return retRect;
-}
-
-QRect KListView::Private::categoryVisualRect(const QString &category)
-{
-    QRect retRect = cachedRectCategory(category);
-    int dx = -listView->horizontalOffset();
-    int dy = -listView->verticalOffset();
-    retRect.adjust(dx, dy, dx, dy);
-
-    return retRect;
-}
-
-void KListView::Private::drawNewCategory(const QModelIndex &index,
-                                         int sortRole,
-                                         const QStyleOption &option,
-                                         QPainter *painter)
-{
-    QStyleOption optionCopy = option;
-    const QString category = itemCategorizer->categoryForItem(index, sortRole);
-
-    if ((category == hoveredCategory) && !mouseButtonPressed)
-    {
-        optionCopy.state |= QStyle::State_MouseOver;
-    }
-
-    itemCategorizer->drawCategory(index,
-                                  sortRole,
-                                  optionCopy,
-                                  painter);
-}
-
-
-void KListView::Private::updateScrollbars()
-{
-    int lastItemBottom = cachedRectIndex(lastIndex).bottom() +
-                           listView->spacing() - listView->viewport()->height();
-
-    listView->verticalScrollBar()->setSingleStep(listView->viewport()->height() / 10);
-    listView->verticalScrollBar()->setPageStep(listView->viewport()->height());
-    listView->verticalScrollBar()->setRange(0, lastItemBottom);
-}
-
-void KListView::Private::drawDraggedItems(QPainter *painter)
-{
-    QStyleOptionViewItemV3 option = listView->viewOptions();
-    option.state &= ~QStyle::State_MouseOver;
-    foreach (const QModelIndex &index, listView->selectionModel()->selectedIndexes())
-    {
-        const int dx = mousePosition.x() - initialPressPosition.x() + listView->horizontalOffset();
-        const int dy = mousePosition.y() - initialPressPosition.y() + listView->verticalOffset();
-
-        option.rect = visualRect(index);
-        option.rect.adjust(dx, dy, dx, dy);
-
-        if (option.rect.intersects(listView->viewport()->rect()))
-        {
-            listView->itemDelegate(index)->paint(painter, option, index);
-        }
-    }
-}
-
-void KListView::Private::drawDraggedItems()
-{
-    QRect rectToUpdate;
-    QRect currentRect;
-    foreach (const QModelIndex &index, listView->selectionModel()->selectedIndexes())
-    {
-        int dx = mousePosition.x() - initialPressPosition.x() + listView->horizontalOffset();
-        int dy = mousePosition.y() - initialPressPosition.y() + listView->verticalOffset();
-
-        currentRect = visualRect(index);
-        currentRect.adjust(dx, dy, dx, dy);
-
-        if (currentRect.intersects(listView->viewport()->rect()))
-        {
-            rectToUpdate = rectToUpdate.united(currentRect);
-        }
-    }
-
-    listView->viewport()->update(lastDraggedItemsRect.united(rectToUpdate));
-
-    lastDraggedItemsRect = rectToUpdate;
-}
-
-
-//==============================================================================
-
-
-KListView::KListView(QWidget *parent)
-    : QListView(parent)
-    , d(new Private(this))
-{
-}
-
-KListView::~KListView()
-{
-    delete d;
-}
-
-void KListView::setModel(QAbstractItemModel *model)
-{
-    d->lastSelection = QItemSelection();
-    d->currentViewIndex = QModelIndex();
-    d->forcedSelectionPosition = 0;
-    d->elementsInfo.clear();
-    d->elementsPosition.clear();
-    d->elementDictionary.clear();
-    d->invertedElementDictionary.clear();
-    d->categoriesIndexes.clear();
-    d->categoriesPosition.clear();
-    d->categories.clear();
-    d->intersectedIndexes.clear();
-    d->sourceModelIndexList.clear();
-    d->hovered = QModelIndex();
-    d->mouseButtonPressed = false;
-
-    if (d->proxyModel)
-    {
-        QObject::disconnect(d->proxyModel,
-                            SIGNAL(rowsRemoved(QModelIndex,int,int)),
-                            this, SLOT(rowsRemoved(QModelIndex,int,int)));
-
-        QObject::disconnect(d->proxyModel,
-                            SIGNAL(sortingRoleChanged()),
-                            this, SLOT(slotSortingRoleChanged()));
-    }
-
-    QListView::setModel(model);
-
-    d->proxyModel = dynamic_cast<KSortFilterProxyModel*>(model);
-
-    if (d->proxyModel)
-    {
-        QObject::connect(d->proxyModel,
-                         SIGNAL(rowsRemoved(QModelIndex,int,int)),
-                         this, SLOT(rowsRemoved(QModelIndex,int,int)));
-
-        QObject::connect(d->proxyModel,
-                         SIGNAL(sortingRoleChanged()),
-                         this, SLOT(slotSortingRoleChanged()));
-    }
-}
-
-QRect KListView::visualRect(const QModelIndex &index) const
-{
-    if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
-        !d->itemCategorizer)
-    {
-        return QListView::visualRect(index);
-    }
-
-    if (!qobject_cast<const QSortFilterProxyModel*>(index.model()))
-    {
-        return d->visualRect(d->proxyModel->mapFromSource(index));
-    }
-
-    return d->visualRect(index);
-}
-
-KItemCategorizer *KListView::itemCategorizer() const
-{
-    return d->itemCategorizer;
-}
-
-void KListView::setItemCategorizer(KItemCategorizer *itemCategorizer)
-{
-    d->lastSelection = QItemSelection();
-    d->currentViewIndex = QModelIndex();
-    d->forcedSelectionPosition = 0;
-    d->elementsInfo.clear();
-    d->elementsPosition.clear();
-    d->elementDictionary.clear();
-    d->invertedElementDictionary.clear();
-    d->categoriesIndexes.clear();
-    d->categoriesPosition.clear();
-    d->categories.clear();
-    d->intersectedIndexes.clear();
-    d->sourceModelIndexList.clear();
-    d->hovered = QModelIndex();
-    d->mouseButtonPressed = false;
-
-    if (!itemCategorizer && d->proxyModel)
-    {
-        QObject::disconnect(d->proxyModel,
-                            SIGNAL(rowsRemoved(QModelIndex,int,int)),
-                            this, SLOT(rowsRemoved(QModelIndex,int,int)));
-
-        QObject::disconnect(d->proxyModel,
-                            SIGNAL(sortingRoleChanged()),
-                            this, SLOT(slotSortingRoleChanged()));
-    }
-    else if (itemCategorizer && d->proxyModel)
-    {
-        QObject::connect(d->proxyModel,
-                         SIGNAL(rowsRemoved(QModelIndex,int,int)),
-                         this, SLOT(rowsRemoved(QModelIndex,int,int)));
-
-        QObject::connect(d->proxyModel,
-                         SIGNAL(sortingRoleChanged()),
-                         this, SLOT(slotSortingRoleChanged()));
-    }
-
-    d->itemCategorizer = itemCategorizer;
-
-    if (itemCategorizer)
-    {
-        rowsInserted(QModelIndex(), 0, d->proxyModel->rowCount() - 1);
-    }
-    else
-    {
-        updateGeometries();
-    }
-}
-
-QModelIndex KListView::indexAt(const QPoint &point) const
-{
-    if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
-        !d->itemCategorizer)
-    {
-        return QListView::indexAt(point);
-    }
-
-    QModelIndex index;
-
-    QModelIndexList item = d->intersectionSet(QRect(point, point));
-
-    if (item.count() == 1)
-    {
-        index = item[0];
-    }
-
-    d->hovered = index;
-
-    return index;
-}
-
-void KListView::reset()
-{
-    QListView::reset();
-
-    d->lastSelection = QItemSelection();
-    d->currentViewIndex = QModelIndex();
-    d->forcedSelectionPosition = 0;
-    d->elementsInfo.clear();
-    d->elementsPosition.clear();
-    d->elementDictionary.clear();
-    d->invertedElementDictionary.clear();
-    d->categoriesIndexes.clear();
-    d->categoriesPosition.clear();
-    d->categories.clear();
-    d->intersectedIndexes.clear();
-    d->sourceModelIndexList.clear();
-    d->hovered = QModelIndex();
-    d->mouseButtonPressed = false;
-}
-
-void KListView::paintEvent(QPaintEvent *event)
-{
-    if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
-        !d->itemCategorizer)
-    {
-        QListView::paintEvent(event);
-        return;
-    }
-
-    QStyleOptionViewItemV3 option = viewOptions();
-    QPainter painter(viewport());
-    QRect area = event->rect();
-    const bool focus = (hasFocus() || viewport()->hasFocus()) &&
-                        currentIndex().isValid();
-    const QStyle::State state = option.state;
-    const bool enabled = (state & QStyle::State_Enabled) != 0;
-
-    painter.save();
-
-    QModelIndexList dirtyIndexes = d->intersectionSet(area);
-    foreach (const QModelIndex &index, dirtyIndexes)
-    {
-        option.state = state;
-        option.rect = d->visualRect(index);
-
-        if (selectionModel() && selectionModel()->isSelected(index))
-        {
-            option.state |= QStyle::State_Selected;
-        }
-
-        if (enabled)
-        {
-            QPalette::ColorGroup cg;
-            if ((d->proxyModel->flags(index) & Qt::ItemIsEnabled) == 0)
-            {
-                option.state &= ~QStyle::State_Enabled;
-                cg = QPalette::Disabled;
-            }
-            else
-            {
-                cg = QPalette::Normal;
-            }
-            option.palette.setCurrentColorGroup(cg);
-        }
-
-        if (focus && currentIndex() == index)
-        {
-            option.state |= QStyle::State_HasFocus;
-            if (this->state() == EditingState)
-                option.state |= QStyle::State_Editing;
-        }
-
-        if ((index == d->hovered) && !d->mouseButtonPressed)
-            option.state |= QStyle::State_MouseOver;
-        else
-            option.state &= ~QStyle::State_MouseOver;
-
-        itemDelegate(index)->paint(&painter, option, index);
-    }
-
-    // Redraw categories
-    int i = 0;
-    QStyleOptionViewItem otherOption;
-    foreach (const QString &category, d->categories)
-    {
-        otherOption = option;
-        otherOption.rect = d->categoryVisualRect(category);
-        otherOption.state &= ~QStyle::State_MouseOver;
-
-        if (otherOption.rect.intersects(area))
-        {
-            d->drawNewCategory(d->categoriesIndexes[category][0],
-                               d->proxyModel->sortRole(), otherOption, &painter);
-        }
-    }
-
-    if (d->mouseButtonPressed && !d->isDragging)
-    {
-        QPoint start, end, initialPressPosition;
-
-        initialPressPosition = d->initialPressPosition;
-
-        initialPressPosition.setY(initialPressPosition.y() - verticalOffset());
-        initialPressPosition.setX(initialPressPosition.x() - horizontalOffset());
-
-        if (d->initialPressPosition.x() > d->mousePosition.x() ||
-            d->initialPressPosition.y() > d->mousePosition.y())
-        {
-            start = d->mousePosition;
-            end = initialPressPosition;
-        }
-        else
-        {
-            start = initialPressPosition;
-            end = d->mousePosition;
-        }
-
-        QStyleOptionRubberBand yetAnotherOption;
-        yetAnotherOption.initFrom(this);
-        yetAnotherOption.shape = QRubberBand::Rectangle;
-        yetAnotherOption.opaque = false;
-        yetAnotherOption.rect = QRect(start, end).intersected(viewport()->rect().adjusted(-16, -16, 16, 16));
-        painter.save();
-        style()->drawControl(QStyle::CE_RubberBand, &yetAnotherOption, &painter);
-        painter.restore();
-    }
-
-    if (d->isDragging && !d->dragLeftViewport)
-    {
-        painter.setOpacity(0.5);
-        d->drawDraggedItems(&painter);
-    }
-
-    painter.restore();
-}
-
-void KListView::resizeEvent(QResizeEvent *event)
-{
-    QListView::resizeEvent(event);
-
-    // Clear the items positions cache
-    d->elementsPosition.clear();
-    d->categoriesPosition.clear();
-    d->forcedSelectionPosition = 0;
-
-    if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
-        !d->itemCategorizer)
-    {
-        return;
-    }
-
-    d->updateScrollbars();
-}
-
-void KListView::setSelection(const QRect &rect,
-                             QItemSelectionModel::SelectionFlags flags)
-{
-    if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
-        !d->itemCategorizer)
-    {
-        QListView::setSelection(rect, flags);
-        return;
-    }
-
-    if (!flags)
-        return;
-
-    selectionModel()->clear();
-
-    if (flags & QItemSelectionModel::Clear)
-    {
-        d->lastSelection = QItemSelection();
-    }
-
-    QModelIndexList dirtyIndexes = d->intersectionSet(rect);
-
-    QItemSelection selection;
-
-    if (!dirtyIndexes.count())
-    {
-        if (d->lastSelection.count())
-        {
-            selectionModel()->select(d->lastSelection, flags);
-        }
-
-        return;
-    }
-
-    if (!d->mouseButtonPressed)
-    {
-        selection = QItemSelection(dirtyIndexes[0], dirtyIndexes[0]);
-        d->currentViewIndex = dirtyIndexes[0];
-    }
-    else
-    {
-        QModelIndex first = dirtyIndexes[0];
-        QModelIndex last;
-        foreach (const QModelIndex &index, dirtyIndexes)
-        {
-            if (last.isValid() && last.row() + 1 != index.row())
-            {
-                QItemSelectionRange range(first, last);
-
-                selection << range;
-
-                first = index;
-            }
-
-            last = index;
-        }
-
-        if (last.isValid())
-            selection << QItemSelectionRange(first, last);
-    }
-
-    if (d->lastSelection.count() && !d->mouseButtonPressed)
-    {
-        selection.merge(d->lastSelection, flags);
-    }
-    else if (d->lastSelection.count())
-    {
-        selection.merge(d->lastSelection, QItemSelectionModel::Select);
-    }
-
-    selectionModel()->select(selection, flags);
-}
-
-void KListView::mouseMoveEvent(QMouseEvent *event)
-{
-    QListView::mouseMoveEvent(event);
-
-    if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
-        !d->itemCategorizer)
-    {
-        return;
-    }
-
-    const QString previousHoveredCategory = d->hoveredCategory;
-
-    d->mousePosition = event->pos();
-    d->hoveredCategory = QString();
-
-    // Redraw categories
-    foreach (const QString &category, d->categories)
-    {
-        if (d->categoryVisualRect(category).intersects(QRect(event->pos(), event->pos())))
-        {
-            d->hoveredCategory = category;
-            viewport()->update(d->categoryVisualRect(category));
-        }
-        else if ((category == previousHoveredCategory) &&
-                 (!d->categoryVisualRect(previousHoveredCategory).intersects(QRect(event->pos(), event->pos()))))
-        {
-            viewport()->update(d->categoryVisualRect(category));
-        }
-    }
-
-    QRect rect;
-    if (d->mouseButtonPressed && !d->isDragging)
-    {
-        QPoint start, end, initialPressPosition;
-
-        initialPressPosition = d->initialPressPosition;
-
-        initialPressPosition.setY(initialPressPosition.y() - verticalOffset());
-        initialPressPosition.setX(initialPressPosition.x() - horizontalOffset());
-
-        if (d->initialPressPosition.x() > d->mousePosition.x() ||
-            d->initialPressPosition.y() > d->mousePosition.y())
-        {
-            start = d->mousePosition;
-            end = initialPressPosition;
-        }
-        else
-        {
-            start = initialPressPosition;
-            end = d->mousePosition;
-        }
-
-        rect = QRect(start, end).intersected(viewport()->rect().adjusted(-16, -16, 16, 16));
-
-        //viewport()->update(rect.united(d->lastSelectionRect));
-
-        d->lastSelectionRect = rect;
-    }
-}
-
-void KListView::mousePressEvent(QMouseEvent *event)
-{
-    d->dragLeftViewport = false;
-
-    if (event->button() == Qt::LeftButton)
-    {
-        d->mouseButtonPressed = true;
-
-        d->initialPressPosition = event->pos();
-        d->initialPressPosition.setY(d->initialPressPosition.y() +
-                                                              verticalOffset());
-        d->initialPressPosition.setX(d->initialPressPosition.x() +
-                                                            horizontalOffset());
-    }
-
-    QListView::mousePressEvent(event);
-}
-
-void KListView::mouseReleaseEvent(QMouseEvent *event)
-{
-    d->mouseButtonPressed = false;
-
-    QListView::mouseReleaseEvent(event);
-
-    if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
-        !d->itemCategorizer)
-    {
-        return;
-    }
-
-    QPoint initialPressPosition = viewport()->mapFromGlobal(QCursor::pos());
-    initialPressPosition.setY(initialPressPosition.y() + verticalOffset());
-    initialPressPosition.setX(initialPressPosition.x() + horizontalOffset());
-
-    QItemSelection selection;
-
-    if (initialPressPosition == d->initialPressPosition)
-    {
-        foreach(const QString &category, d->categories)
-        {
-            if (d->categoryVisualRect(category).contains(event->pos()))
-            {
-                QItemSelectionRange selectionRange(d->proxyModel->mapFromSource(d->categoriesIndexes[category][0]),
-                                                   d->proxyModel->mapFromSource(d->categoriesIndexes[category][d->categoriesIndexes[category].count() - 1]));
-
-                selection << selectionRange;
-
-                selectionModel()->select(selection, QItemSelectionModel::Select);
-
-                break;
-            }
-        }
-    }
-
-    d->lastSelection = selectionModel()->selection();
-
-    if (d->hovered.isValid())
-        viewport()->update(d->visualRect(d->hovered));
-    else if (!d->hoveredCategory.isEmpty())
-        viewport()->update(d->categoryVisualRect(d->hoveredCategory));
-}
-
-void KListView::leaveEvent(QEvent *event)
-{
-    d->hovered = QModelIndex();
-    d->hoveredCategory = QString();
-
-    QListView::leaveEvent(event);
-}
-
-void KListView::startDrag(Qt::DropActions supportedActions)
-{
-    QListView::startDrag(supportedActions);
-
-    d->isDragging = false;
-    d->mouseButtonPressed = false;
-
-    viewport()->update(d->lastDraggedItemsRect);
-}
-
-void KListView::dragMoveEvent(QDragMoveEvent *event)
-{
-    d->mousePosition = event->pos();
-
-    if (d->mouseButtonPressed)
-    {
-        d->isDragging = true;
-    }
-    else
-    {
-        d->isDragging = false;
-    }
-
-    d->dragLeftViewport = false;
-
-    if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
-        !d->itemCategorizer)
-    {
-        QListView::dragMoveEvent(event);
-        return;
-    }
-
-    d->drawDraggedItems();
-}
-
-void KListView::dragLeaveEvent(QDragLeaveEvent *event)
-{
-    d->dragLeftViewport = true;
-
-    QListView::dragLeaveEvent(event);
-}
-
-QModelIndex KListView::moveCursor(CursorAction cursorAction,
-                                  Qt::KeyboardModifiers modifiers)
-{
-    if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
-        !d->itemCategorizer)
-    {
-        return QListView::moveCursor(cursorAction, modifiers);
-    }
-
-    const QModelIndex current = selectionModel()->currentIndex();
-
-    int viewportWidth = viewport()->width() - spacing();
-    // We really need all items to be of same size. Otherwise we cannot do this
-    // (ereslibre)
-    // QSize itemSize = listView->sizeHintForIndex(index);
-    // int itemHeight = itemSize.height();
-    // int itemWidth = itemSize.width();
-    int itemHeight = 107;
-    int itemWidth = 130;
-    int itemWidthPlusSeparation = spacing() + itemWidth;
-    int elementsPerRow = viewportWidth / itemWidthPlusSeparation;
-
-    QString lastCategory = d->categories[0];
-    QString theCategory = d->categories[0];
-    QString afterCategory = d->categories[0];
-    bool hasToBreak = false;
-    foreach (const QString &category, d->categories)
-    {
-        if (hasToBreak)
-        {
-            afterCategory = category;
-
-            break;
-        }
-
-        if (category == d->elementsInfo[d->proxyModel->mapToSource(current)].category)
-        {
-            theCategory = category;
-
-            hasToBreak = true;
-        }
-
-        if (!hasToBreak)
-        {
-            lastCategory = category;
-        }
-    }
-
-    switch (cursorAction)
-    {
-        case QAbstractItemView::MoveUp: {
-            if (d->elementsInfo[d->proxyModel->mapToSource(current)].relativeOffsetToCategory >= elementsPerRow)
-            {
-                int indexToMove = d->invertedElementDictionary[current].row();
-                indexToMove -= qMin(((d->elementsInfo[d->proxyModel->mapToSource(current)].relativeOffsetToCategory) + d->forcedSelectionPosition), elementsPerRow - d->forcedSelectionPosition + (d->elementsInfo[d->proxyModel->mapToSource(current)].relativeOffsetToCategory % elementsPerRow));
-
-                return d->elementDictionary[d->proxyModel->index(indexToMove, 0)];
-            }
-            else
-            {
-                int lastCategoryLastRow = (d->categoriesIndexes[lastCategory].count() - 1) % elementsPerRow;
-                int indexToMove = d->invertedElementDictionary[current].row() - d->elementsInfo[d->proxyModel->mapToSource(current)].relativeOffsetToCategory;
-
-                if (d->forcedSelectionPosition >= lastCategoryLastRow)
-                {
-                    indexToMove -= 1;
-                }
-                else
-                {
-                    indexToMove -= qMin((lastCategoryLastRow - d->forcedSelectionPosition + 1), d->forcedSelectionPosition + elementsPerRow + 1);
-                }
-
-                return d->elementDictionary[d->proxyModel->index(indexToMove, 0)];
-            }
-        }
-
-        case QAbstractItemView::MoveDown: {
-            if (d->elementsInfo[d->proxyModel->mapToSource(current)].relativeOffsetToCategory < (d->categoriesIndexes[theCategory].count() - 1 - ((d->categoriesIndexes[theCategory].count() - 1) % elementsPerRow)))
-            {
-                int indexToMove = d->invertedElementDictionary[current].row();
-                indexToMove += qMin(elementsPerRow, d->categoriesIndexes[theCategory].count() - 1 - d->elementsInfo[d->proxyModel->mapToSource(current)].relativeOffsetToCategory);
-
-                return d->elementDictionary[d->proxyModel->index(indexToMove, 0)];
-            }
-            else
-            {
-                int afterCategoryLastRow = qMin(elementsPerRow, d->categoriesIndexes[afterCategory].count());
-                int indexToMove = d->invertedElementDictionary[current].row() + (d->categoriesIndexes[theCategory].count() - d->elementsInfo[d->proxyModel->mapToSource(current)].relativeOffsetToCategory);
-
-                if (d->forcedSelectionPosition >= afterCategoryLastRow)
-                {
-                    indexToMove += afterCategoryLastRow - 1;
-                }
-                else
-                {
-                    indexToMove += qMin(d->forcedSelectionPosition, elementsPerRow);
-                }
-
-                return d->elementDictionary[d->proxyModel->index(indexToMove, 0)];
-            }
-        }
-
-        case QAbstractItemView::MoveLeft:
-            d->forcedSelectionPosition = d->elementsInfo[d->proxyModel->mapToSource(d->elementDictionary[d->proxyModel->index(d->invertedElementDictionary[current].row() - 1, 0)])].relativeOffsetToCategory % elementsPerRow;
-
-            if (d->forcedSelectionPosition < 0)
-                d->forcedSelectionPosition = (d->categoriesIndexes[theCategory].count() - 1) % elementsPerRow;
-
-            return d->elementDictionary[d->proxyModel->index(d->invertedElementDictionary[current].row() - 1, 0)];
-
-        case QAbstractItemView::MoveRight:
-            d->forcedSelectionPosition = d->elementsInfo[d->proxyModel->mapToSource(d->elementDictionary[d->proxyModel->index(d->invertedElementDictionary[current].row() + 1, 0)])].relativeOffsetToCategory % elementsPerRow;
-
-            if (d->forcedSelectionPosition < 0)
-                d->forcedSelectionPosition = (d->categoriesIndexes[theCategory].count() - 1) % elementsPerRow;
-
-            return d->elementDictionary[d->proxyModel->index(d->invertedElementDictionary[current].row() + 1, 0)];
-
-        default:
-            break;
-    }
-
-    return QListView::moveCursor(cursorAction, modifiers);
-}
-
-void KListView::rowsInserted(const QModelIndex &parent,
-                             int start,
-                             int end)
-{
-    QListView::rowsInserted(parent, start, end);
-
-    if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
-        !d->itemCategorizer)
-    {
-        d->lastSelection = QItemSelection();
-        d->currentViewIndex = QModelIndex();
-        d->forcedSelectionPosition = 0;
-        d->elementsInfo.clear();
-        d->elementsPosition.clear();
-        d->elementDictionary.clear();
-        d->invertedElementDictionary.clear();
-        d->categoriesIndexes.clear();
-        d->categoriesPosition.clear();
-        d->categories.clear();
-        d->intersectedIndexes.clear();
-        d->sourceModelIndexList.clear();
-        d->hovered = QModelIndex();
-        d->mouseButtonPressed = false;
-
-        return;
-    }
-
-    rowsInsertedArtifficial(parent, start, end);
-}
-
-void KListView::rowsInsertedArtifficial(const QModelIndex &parent,
-                                        int start,
-                                        int end)
-{
-    Q_UNUSED(parent);
-
-    d->lastSelection = QItemSelection();
-    d->currentViewIndex = QModelIndex();
-    d->forcedSelectionPosition = 0;
-    d->elementsInfo.clear();
-    d->elementsPosition.clear();
-    d->elementDictionary.clear();
-    d->invertedElementDictionary.clear();
-    d->categoriesIndexes.clear();
-    d->categoriesPosition.clear();
-    d->categories.clear();
-    d->intersectedIndexes.clear();
-    d->sourceModelIndexList.clear();
-    d->hovered = QModelIndex();
-    d->mouseButtonPressed = false;
-
-    if (start > end || end < 0 || start < 0 || !d->proxyModel->rowCount())
-    {
-        return;
-    }
-
-    // Add all elements mapped to the source model
-    for (int k = 0; k < d->proxyModel->rowCount(); k++)
-    {
-        d->sourceModelIndexList <<
-                         d->proxyModel->mapToSource(d->proxyModel->index(k, 0));
-    }
-
-    // Sort them with the general purpose lessThan method
-    LessThan generalLessThan(d->proxyModel,
-                             LessThan::GeneralPurpose);
-
-    qStableSort(d->sourceModelIndexList.begin(), d->sourceModelIndexList.end(),
-                generalLessThan);
-
-    // Explore categories
-    QString prevCategory =
-                 d->itemCategorizer->categoryForItem(d->sourceModelIndexList[0],
-                                                     d->proxyModel->sortRole());
-    QString lastCategory = prevCategory;
-    QModelIndexList modelIndexList;
-    struct Private::ElementInfo elementInfo;
-    foreach (const QModelIndex &index, d->sourceModelIndexList)
-    {
-        lastCategory = d->itemCategorizer->categoryForItem(index,
-                                                     d->proxyModel->sortRole());
-
-        elementInfo.category = lastCategory;
-
-        if (prevCategory != lastCategory)
-        {
-            d->categoriesIndexes.insert(prevCategory, modelIndexList);
-            d->categories << prevCategory;
-            modelIndexList.clear();
-        }
-
-        modelIndexList << index;
-        prevCategory = lastCategory;
-
-        d->elementsInfo.insert(index, elementInfo);
-    }
-
-    d->categoriesIndexes.insert(prevCategory, modelIndexList);
-    d->categories << prevCategory;
-
-    // Sort items locally in their respective categories with the category
-    // purpose lessThan
-    LessThan categoryLessThan(d->proxyModel,
-                              LessThan::CategoryPurpose);
-
-    foreach (const QString &key, d->categories)
-    {
-        QModelIndexList &indexList = d->categoriesIndexes[key];
-
-        qStableSort(indexList.begin(), indexList.end(), categoryLessThan);
-    }
-
-    d->lastIndex = d->categoriesIndexes[d->categories[d->categories.count() - 1]][d->categoriesIndexes[d->categories[d->categories.count() - 1]].count() - 1];
-
-    // Finally, fill data information of items situation. This will help when
-    // trying to compute an item place in the viewport
-    int i = 0; // position relative to the category beginning
-    int j = 0; // number of elements before current
-    foreach (const QString &key, d->categories)
-    {
-        foreach (const QModelIndex &index, d->categoriesIndexes[key])
-        {
-            struct Private::ElementInfo &elementInfo = d->elementsInfo[index];
-
-            elementInfo.relativeOffsetToCategory = i;
-
-            d->elementDictionary.insert(d->proxyModel->index(j, 0),
-                                        d->proxyModel->mapFromSource(index));
-
-            d->invertedElementDictionary.insert(d->proxyModel->mapFromSource(index),
-                                                d->proxyModel->index(j, 0));
-
-            i++;
-            j++;
-        }
-
-        i = 0;
-    }
-
-    d->updateScrollbars();
-}
-
-void KListView::rowsRemoved(const QModelIndex &parent,
-                            int start,
-                            int end)
-{
-    if ((viewMode() == KListView::IconMode) && d->proxyModel &&
-        d->itemCategorizer)
-    {
-        // Force the view to update all elements
-        rowsInsertedArtifficial(parent, start, end);
-    }
-}
-
-void KListView::updateGeometries()
-{
-    if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
-        !d->itemCategorizer)
-    {
-        QListView::updateGeometries();
-        return;
-    }
-
-    // Avoid QListView::updateGeometries(), since it will try to set another
-    // range to our scroll bars, what we don't want (ereslibre)
-    QAbstractItemView::updateGeometries();
-}
-
-void KListView::slotSortingRoleChanged()
-{
-    if ((viewMode() == KListView::IconMode) && d->proxyModel &&
-        d->itemCategorizer)
-    {
-        // Force the view to update all elements
-        rowsInsertedArtifficial(QModelIndex(), 0, d->proxyModel->rowCount() - 1);
-    }
-}
-
-#include "klistview.moc"