[Places Panel] Make use of KFilePlacesView::dragAutoActivationDelay

[dolphin.git] / src / kitemviews / kfileitemlistwidget.cpp

diff --git a/src/kitemviews/kfileitemlistwidget.cpp b/src/kitemviews/kfileitemlistwidget.cpp
index 7a95846d89eb3b99f96bfff0702417e81bd432f2..a62b75824c268ec4442d7ef61692af569aac03eb 100644 (file)
--- a/src/kitemviews/kfileitemlistwidget.cpp
+++ b/src/kitemviews/kfileitemlistwidget.cpp
@@ -1,893 +1,225 @@
-/***************************************************************************
- *   Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com>             *
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program 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 General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
- ***************************************************************************/
+/*
+ * SPDX-FileCopyrightText: 2011 Peter Penz <peter.penz19@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */

 
 #include "kfileitemlistwidget.h"
 
 #include "kfileitemlistwidget.h"

-
-#include "kfileitemclipboard_p.h"
+#include "kfileitemlistview.h"

 #include "kfileitemmodel.h"
 #include "kitemlistview.h"
 #include "kfileitemmodel.h"
 #include "kitemlistview.h"

-#include "kpixmapmodifier_p.h"
-
-#include <KIcon>
-#include <KIconEffect>
-#include <KIconLoader>
-#include <KLocale>
-#include <KStringHandler>
-#include <KDebug>
-
-#include <QFontMetricsF>
-#include <QGraphicsSceneResizeEvent>
-#include <QPainter>
-#include <QStyleOption>
-#include <QTextLayout>
-#include <QTextLine>
-
-// #define KFILEITEMLISTWIDGET_DEBUG
-
-KFileItemListWidget::KFileItemListWidget(QGraphicsItem* parent) :
-    KItemListWidget(parent),
-    m_isCut(false),
-    m_isHidden(false),
-    m_isExpandable(false),
-    m_dirtyLayout(true),
-    m_dirtyContent(true),
-    m_dirtyContentRoles(),
-    m_layout(IconsLayout),
-    m_pixmapPos(),
-    m_pixmap(),
-    m_scaledPixmapSize(),
-    m_iconRect(),
-    m_hoverPixmap(),
-    m_textPos(),
-    m_text(),
-    m_textRect(),
-    m_sortedVisibleRoles(),
-    m_expansionArea(),
-    m_customTextColor(),
-    m_additionalInfoTextColor(),
-    m_overlay()
-{
-    for (int i = 0; i < TextIdCount; ++i) {
-        m_text[i].setTextFormat(Qt::PlainText);
-        m_text[i].setPerformanceHint(QStaticText::AggressiveCaching);
-    }
-}

 
 

-KFileItemListWidget::~KFileItemListWidget()
-{
-}
+#include "dolphin_detailsmodesettings.h"

 
 

-void KFileItemListWidget::setLayout(Layout layout)
-{
-    if (m_layout != layout) {
-        m_layout = layout;
-        m_dirtyLayout = true;
-        updateAdditionalInfoTextColor();
-        update();
-    }
-}
+#include <KFormat>
+#include <KLocalizedString>

 
 

-KFileItemListWidget::Layout KFileItemListWidget::layout() const
-{
-    return m_layout;
-}
+#include <QGraphicsScene>
+#include <QGraphicsView>
+#include <QMimeDatabase>

 
 

-void KFileItemListWidget::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
+KFileItemListWidgetInformant::KFileItemListWidgetInformant() :
+    KStandardItemListWidgetInformant()

 {
 {

-    const_cast<KFileItemListWidget*>(this)->triggerCacheRefreshing();
-
-    KItemListWidget::paint(painter, option, widget);
-
-    // Draw expansion toggle '>' or 'V'
-    if (m_isExpandable && !m_expansionArea.isEmpty()) {
-        QStyleOption arrowOption;
-        arrowOption.rect = m_expansionArea.toRect();
-        const QStyle::PrimitiveElement arrow = data()["isExpanded"].toBool()
-                                               ? QStyle::PE_IndicatorArrowDown : QStyle::PE_IndicatorArrowRight;
-        style()->drawPrimitive(arrow, &arrowOption, painter);
-    }
-
-    const KItemListStyleOption& itemListStyleOption = styleOption();
-    if (isHovered()) {
-        // Blend the unhovered and hovered pixmap if the hovering
-        // animation is ongoing
-        if (hoverOpacity() < 1.0) {
-            drawPixmap(painter, m_pixmap);
-        }
-
-        const qreal opacity = painter->opacity();
-        painter->setOpacity(hoverOpacity() * opacity);
-        drawPixmap(painter, m_hoverPixmap);
-        painter->setOpacity(opacity);
-    } else {
-        drawPixmap(painter, m_pixmap);
-    }
-
-    painter->setFont(itemListStyleOption.font);
-    painter->setPen(textColor());
-    painter->drawStaticText(m_textPos[Name], m_text[Name]);
-
-    bool clipAdditionalInfoBounds = false;
-    if (m_layout == DetailsLayout) {
-        // Prevent a possible overlapping of the additional-information texts
-        // with the icon. This can happen if the user has minimized the width
-        // of the name-column to a very small value.
-        const qreal minX = m_pixmapPos.x() + m_pixmap.width() + 4 * itemListStyleOption.margin;
-        if (m_textPos[Name + 1].x() < minX) {
-            clipAdditionalInfoBounds = true;
-            painter->save();
-            painter->setClipRect(minX, 0, size().width() - minX, size().height(), Qt::IntersectClip);
-        }
-    }
-
-    painter->setPen(m_additionalInfoTextColor);
-    painter->setFont(itemListStyleOption.font);
-    for (int i = Name + 1; i < TextIdCount; ++i) {
-        painter->drawStaticText(m_textPos[i], m_text[i]);
-    }
-
-    if (clipAdditionalInfoBounds) {
-        painter->restore();
-    }
-
-#ifdef KFILEITEMLISTWIDGET_DEBUG
-    painter->setBrush(Qt::NoBrush);
-    painter->setPen(Qt::green);
-    painter->drawRect(m_iconRect);
-
-    painter->setPen(Qt::red);
-    painter->drawText(QPointF(0, itemListStyleOption.fontMetrics.height()), QString::number(index()));
-    painter->drawRect(rect());
-#endif

 }
 
 }
 

-QRectF KFileItemListWidget::iconRect() const
+KFileItemListWidgetInformant::~KFileItemListWidgetInformant()

 {
 {

-    const_cast<KFileItemListWidget*>(this)->triggerCacheRefreshing();
-    return m_iconRect;

 }
 
 }
 

-QRectF KFileItemListWidget::textRect() const
+QString KFileItemListWidgetInformant::itemText(int index, const KItemListView* view) const

 {
 {

-    const_cast<KFileItemListWidget*>(this)->triggerCacheRefreshing();
-    return m_textRect;
-}
+    Q_ASSERT(qobject_cast<KFileItemModel*>(view->model()));
+    KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(view->model());

 
 

-QRectF KFileItemListWidget::expansionToggleRect() const
-{
-    const_cast<KFileItemListWidget*>(this)->triggerCacheRefreshing();
-    return m_isExpandable ? m_expansionArea : QRectF();
+    const KFileItem item = fileItemModel->fileItem(index);
+    return item.text();

 }
 
 }
 

-QRectF KFileItemListWidget::selectionToggleRect() const
+bool KFileItemListWidgetInformant::itemIsLink(int index, const KItemListView* view) const

 {
 {

-    const_cast<KFileItemListWidget*>(this)->triggerCacheRefreshing();
-
-    const int iconHeight = m_pixmap.height();
-
-    int toggleSize = KIconLoader::SizeSmall;
-    if (iconHeight >= KIconLoader::SizeEnormous) {
-        toggleSize = KIconLoader::SizeMedium;
-    } else if (iconHeight >= KIconLoader::SizeLarge) {
-        toggleSize = KIconLoader::SizeSmallMedium;
-    }
-
-    QPointF pos = iconRect().topLeft();
-
-    // If the selection toggle has a very small distance to the
-    // widget borders, the size of the selection toggle will get
-    // increased to prevent an accidental clicking of the item
-    // when trying to hit the toggle.
-    const int widgetHeight = size().height();
-    const int widgetWidth = size().width();
-    const int minMargin = 2;
+    Q_ASSERT(qobject_cast<KFileItemModel*>(view->model()));
+    KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(view->model());

 
 

-    if (toggleSize + minMargin * 2 >= widgetHeight) {
-        toggleSize = widgetHeight;
-        pos.setY(0);
-    }
-    if (toggleSize + minMargin * 2 >= widgetWidth) {
-        toggleSize = widgetWidth;
-        pos.setX(0);
-    }
-
-    return QRectF(pos, QSizeF(toggleSize, toggleSize));
+    const KFileItem item = fileItemModel->fileItem(index);
+    return item.isLink();

 }
 
 }
 

-QString KFileItemListWidget::roleText(const QByteArray& role, const QHash<QByteArray, QVariant>& values)
+QString KFileItemListWidgetInformant::roleText(const QByteArray& role,
+                                               const QHash<QByteArray, QVariant>& values) const

 {
     QString text;
     const QVariant roleValue = values.value(role);
 {
     QString text;
     const QVariant roleValue = values.value(role);

+    QLocale local;
+    KFormat formatter(local);
+
+    // Implementation note: In case if more roles require a custom handling
+    // use a hash + switch for a linear runtime.
+
+    auto formatDate = [formatter, local](const QDateTime& time) {
+        if (DetailsModeSettings::useShortRelativeDates()) {
+            return formatter.formatRelativeDateTime(time, QLocale::ShortFormat);
+        } else {
+            return local.toString(time, QLocale::ShortFormat);
+        }
+    };

 
 

-    switch (roleTextId(role)) {
-    case Name:
-    case Permissions:
-    case Owner:
-    case Group:
-    case Type:
-    case Destination:
-    case Path:
-        text = roleValue.toString();
-        break;
-
-    case Size: {
+    if (role == "size") {

         if (values.value("isDir").toBool()) {
         if (values.value("isDir").toBool()) {

-            // The item represents a directory. Show the number of sub directories
-            // instead of the file size of the directory.
-            if (!roleValue.isNull()) {
-                const int count = roleValue.toInt();
-                if (count < 0) {
-                    text = i18nc("@item:intable", "Unknown");
-                } else {
+            if (!roleValue.isNull() && roleValue != -1) {
+                // The item represents a directory.
+                if (DetailsModeSettings::directorySizeCount()) {
+                    //  Show the number of sub directories instead of the file size of the directory.
+                    const int count = values.value("count").toInt();

                     text = i18ncp("@item:intable", "%1 item", "%1 items", count);
                     text = i18ncp("@item:intable", "%1 item", "%1 items", count);

+                } else {
+                    // if we have directory size available
+                    const KIO::filesize_t size = roleValue.value<KIO::filesize_t>();
+                    text = formatter.formatByteSize(size);

                 }
             }
         } else {
                 }
             }
         } else {

-            // Show the size in kilobytes (always round up)
-            const KLocale* locale = KGlobal::locale();
-            const int roundInc = (locale->binaryUnitDialect() == KLocale::MetricBinaryDialect) ? 499 : 511;
-            const KIO::filesize_t size = roleValue.value<KIO::filesize_t>() + roundInc;
-            text = locale->formatByteSize(size, 0, KLocale::DefaultBinaryDialect, KLocale::UnitKiloByte);
-        }
-        break;
-    }
-
-    case Date: {
+            const KIO::filesize_t size = roleValue.value<KIO::filesize_t>();
+            text = formatter.formatByteSize(size);
+        }
+    } else if (role == "modificationtime" || role == "creationtime" || role == "accesstime") {
+            bool ok;
+            const long long time = roleValue.toLongLong(&ok);
+            if (ok && time != -1) {
+                const QDateTime dateTime = QDateTime::fromSecsSinceEpoch(time);
+                text = formatDate(dateTime);
+            }
+    } else if (role == "deletiontime" || role == "imageDateTime") {

         const QDateTime dateTime = roleValue.toDateTime();
         const QDateTime dateTime = roleValue.toDateTime();

-        text = KGlobal::locale()->formatDateTime(dateTime);
-        break;
-    }
-
-    default:
-        Q_ASSERT(false);
-        break;
-    }
-
-    return text;
-}
-
-void KFileItemListWidget::invalidateCache()
-{
-    m_dirtyLayout = true;
-    m_dirtyContent = true;
-}
-
-void KFileItemListWidget::refreshCache()
-{
-}
-
-void KFileItemListWidget::setTextColor(const QColor& color)
-{
-    if (color != m_customTextColor) {
-        m_customTextColor = color;
-        updateAdditionalInfoTextColor();
-        update();
-    }
-}
-
-QColor KFileItemListWidget::textColor() const
-{
-    if (m_customTextColor.isValid() && !isSelected()) {
-        return m_customTextColor;
-    }
-
-    const QPalette::ColorGroup group = isActiveWindow() ? QPalette::Active : QPalette::Inactive;
-    const QPalette::ColorRole role = isSelected() ? QPalette::HighlightedText : QPalette::Text;
-    return styleOption().palette.brush(group, role).color();
-}
-
-void KFileItemListWidget::setOverlay(const QPixmap& overlay)
-{
-    m_overlay = overlay;
-    m_dirtyContent = true;
-    update();
-}
-
-QPixmap KFileItemListWidget::overlay() const
-{
-    return m_overlay;
-}
-
-void KFileItemListWidget::dataChanged(const QHash<QByteArray, QVariant>& current,
-                                      const QSet<QByteArray>& roles)
-{
-    KItemListWidget::dataChanged(current, roles);
-    m_dirtyContent = true;
-
-    QSet<QByteArray> dirtyRoles;
-    if (roles.isEmpty()) {
-        dirtyRoles = visibleRoles().toSet();
-        dirtyRoles.insert("iconPixmap");
-        dirtyRoles.insert("iconName");
+        if (dateTime.isValid()) {
+            text = formatDate(dateTime);
+        }
+    } else if (role == "dimensions") {
+        const auto dimensions = roleValue.toSize();
+        if (dimensions.isValid()) {
+            text = i18nc("width × height", "%1 × %2", dimensions.width(), dimensions.height());
+        }

     } else {
     } else {

-        dirtyRoles = roles;
+        text = KStandardItemListWidgetInformant::roleText(role, values);

     }
 
     }
 

-    QSetIterator<QByteArray> it(dirtyRoles);
-    while (it.hasNext()) {
-        const QByteArray& role = it.next();
-        m_dirtyContentRoles.insert(role);
-    }
-}
-
-void KFileItemListWidget::visibleRolesChanged(const QList<QByteArray>& current,
-                                              const QList<QByteArray>& previous)
-{
-    KItemListWidget::visibleRolesChanged(current, previous);
-    m_sortedVisibleRoles = current;
-    m_dirtyLayout = true;
+    return text;

 }
 
 }
 

-void KFileItemListWidget::visibleRolesSizesChanged(const QHash<QByteArray, QSizeF>& current,
-                                                   const QHash<QByteArray, QSizeF>& previous)
+QFont KFileItemListWidgetInformant::customizedFontForLinks(const QFont& baseFont) const

 {
 {

-    KItemListWidget::visibleRolesSizesChanged(current, previous);
-    m_dirtyLayout = true;
+    // The customized font should be italic if the file is a symbolic link.
+    QFont font(baseFont);
+    font.setItalic(true);
+    return font;

 }
 
 }
 

-void KFileItemListWidget::styleOptionChanged(const KItemListStyleOption& current,
-                                             const KItemListStyleOption& previous)
+KFileItemListWidget::KFileItemListWidget(KItemListWidgetInformant* informant, QGraphicsItem* parent) :
+    KStandardItemListWidget(informant, parent)

 {
 {

-    KItemListWidget::styleOptionChanged(current, previous);
-    updateAdditionalInfoTextColor();
-    m_dirtyLayout = true;

 }
 
 }
 

-void KFileItemListWidget::hoveredChanged(bool hovered)
+KFileItemListWidget::~KFileItemListWidget()

 {
 {

-    Q_UNUSED(hovered);
-    m_dirtyLayout = true;

 }
 
 }
 

-void KFileItemListWidget::selectedChanged(bool selected)
+KItemListWidgetInformant* KFileItemListWidget::createInformant()

 {
 {

-    Q_UNUSED(selected);
-    updateAdditionalInfoTextColor();
+    return new KFileItemListWidgetInformant();

 }
 
 }
 

-void KFileItemListWidget::resizeEvent(QGraphicsSceneResizeEvent* event)
+bool KFileItemListWidget::isRoleRightAligned(const QByteArray& role) const

 {
 {

-    KItemListWidget::resizeEvent(event);
-    m_dirtyLayout = true;
+    return role == "size";

 }
 
 }
 

-void KFileItemListWidget::showEvent(QShowEvent* event)
+bool KFileItemListWidget::isHidden() const

 {
 {

-    KItemListWidget::showEvent(event);
-
-    // Listen to changes of the clipboard to mark the item as cut/uncut
-    KFileItemClipboard* clipboard = KFileItemClipboard::instance();
-
-    const KUrl itemUrl = data().value("url").value<KUrl>();
-    m_isCut = clipboard->isCut(itemUrl);
-
-    connect(clipboard, SIGNAL(cutItemsChanged()),
-            this, SLOT(slotCutItemsChanged()));
+    return data().value("isHidden").toBool();

 }
 
 }
 

-void KFileItemListWidget::hideEvent(QHideEvent* event)
+QFont KFileItemListWidget::customizedFont(const QFont& baseFont) const

 {
 {

-    disconnect(KFileItemClipboard::instance(), SIGNAL(cutItemsChanged()),
-               this, SLOT(slotCutItemsChanged()));
-
-    KItemListWidget::hideEvent(event);
+    // The customized font should be italic if the file is a symbolic link.
+    QFont font(baseFont);
+    font.setItalic(data().value("isLink").toBool());
+    return font;

 }
 
 }
 

-void KFileItemListWidget::slotCutItemsChanged()
+int KFileItemListWidget::selectionLength(const QString& text) const

 {
 {

-    const KUrl itemUrl = data().value("url").value<KUrl>();
-    const bool isCut = KFileItemClipboard::instance()->isCut(itemUrl);
-    if (m_isCut != isCut) {
-        m_isCut = isCut;
-        m_pixmap = QPixmap();
-        m_dirtyContent = true;
-        update();
-    }
-}
+    // Select the text without MIME-type extension
+    int selectionLength = text.length();

 
 

-void KFileItemListWidget::triggerCacheRefreshing()
-{
-    if ((!m_dirtyContent && !m_dirtyLayout) || index() < 0) {
-        return;
+    // If item is a directory, use the whole text length for
+    // selection (ignore all points)
+    if(data().value("isDir").toBool()) {
+        return selectionLength;

     }
 
     }
 

-    refreshCache();
-
-    const QHash<QByteArray, QVariant> values = data();
-    m_isExpandable = values["isExpandable"].toBool();
-    m_isHidden = values["name"].toString().startsWith(QLatin1Char('.'));
+    QMimeDatabase db;
+    const QString extension = db.suffixForFileName(text);
+    if (extension.isEmpty()) {
+        // For an unknown extension just exclude the extension after
+        // the last point. This does not work for multiple extensions like
+        // *.tar.gz but usually this is anyhow a known extension.
+        selectionLength = text.lastIndexOf(QLatin1Char('.'));

 
 

-    updateExpansionArea();
-    updateTextsCache();
-    updatePixmapCache();
-
-    m_dirtyLayout = false;
-    m_dirtyContent = false;
-    m_dirtyContentRoles.clear();
-}
-
-void KFileItemListWidget::updateExpansionArea()
-{
-    if (m_layout == DetailsLayout) {
-        const QHash<QByteArray, QVariant> values = data();
-        Q_ASSERT(values.contains("expansionLevel"));
-        const KItemListStyleOption& option = styleOption();
-        const int expansionLevel = values.value("expansionLevel", 0).toInt();
-        if (expansionLevel >= 0) {
-            const qreal widgetHeight = size().height();
-            const qreal expansionLevelSize = KIconLoader::SizeSmall;
-            const qreal x = option.margin + expansionLevel * widgetHeight;
-            const qreal y = (widgetHeight - expansionLevelSize) / 2;
-            m_expansionArea = QRectF(x, y, expansionLevelSize, expansionLevelSize);
-            return;
-        }
-    }
-
-    m_expansionArea = QRectF();
-}
-
-void KFileItemListWidget::updatePixmapCache()
-{
-    // Precondition: Requires already updated m_textPos values to calculate
-    // the remaining height when the alignment is vertical.
-
-    const QSizeF widgetSize = size();
-    const bool iconOnTop = (m_layout == IconsLayout);
-    const KItemListStyleOption& option = styleOption();
-    const qreal margin = option.margin;
-
-    const int maxIconWidth = iconOnTop ? widgetSize.width() - 2 * margin : option.iconSize;
-    const int maxIconHeight = option.iconSize;
-
-    const QHash<QByteArray, QVariant> values = data();
-
-    bool updatePixmap = (m_pixmap.width() != maxIconWidth || m_pixmap.height() != maxIconHeight);
-    if (!updatePixmap && m_dirtyContent) {
-        updatePixmap = m_dirtyContentRoles.isEmpty()
-                       || m_dirtyContentRoles.contains("iconPixmap")
-                       || m_dirtyContentRoles.contains("iconName")
-                       || m_dirtyContentRoles.contains("iconOverlays");
-    }
-
-    if (updatePixmap) {
-        m_pixmap = values["iconPixmap"].value<QPixmap>();
-        if (m_pixmap.isNull()) {
-            // Use the icon that fits to the MIME-type
-            QString iconName = values["iconName"].toString();
-            if (iconName.isEmpty()) {
-                // The icon-name has not been not resolved by KFileItemModelRolesUpdater,
-                // use a generic icon as fallback
-                iconName = QLatin1String("unknown");
-            }
-            m_pixmap = pixmapForIcon(iconName, maxIconHeight);
-        } else if (m_pixmap.width() != maxIconWidth || m_pixmap.height() != maxIconHeight) {
-            // A custom pixmap has been applied. Assure that the pixmap
-            // is scaled to the maximum available size.
-            KPixmapModifier::scale(m_pixmap, QSize(maxIconWidth, maxIconHeight));
-        }
-
-        const QStringList overlays = values["iconOverlays"].toStringList();
-
-        // Strangely KFileItem::overlays() returns empty string-values, so
-        // we need to check first whether an overlay must be drawn at all.
-        // It is more efficient to do it here, as KIconLoader::drawOverlays()
-        // assumes that an overlay will be drawn and has some additional
-        // setup time.
-        foreach (const QString& overlay, overlays) {
-            if (!overlay.isEmpty()) {
-                // There is at least one overlay, draw all overlays above m_pixmap
-                // and cancel the check
-                KIconLoader::global()->drawOverlays(overlays, m_pixmap, KIconLoader::Desktop);
-                break;
-            }
-        }
-
-        if (m_isCut) {
-            applyCutEffect(m_pixmap);
-        }
-
-        if (m_isHidden) {
-            applyHiddenEffect(m_pixmap);
+        // If no point could be found, use whole text length for selection.
+        if (selectionLength < 1) {
+            selectionLength = text.length();

         }
         }

-    }
-
-    if (!m_overlay.isNull()) {
-        QPainter painter(&m_pixmap);
-        painter.drawPixmap(0, m_pixmap.height() - m_overlay.height(), m_overlay);
-    }
-
-    int scaledIconSize = 0;
-    if (iconOnTop) {
-        scaledIconSize = static_cast<int>(m_textPos[Name].y() - 2 * margin);
-    } else {
-        const int textRowsCount = (m_layout == CompactLayout) ? visibleRoles().count() : 1;
-        const qreal requiredTextHeight = textRowsCount * option.fontMetrics.height();
-        scaledIconSize = (requiredTextHeight < maxIconHeight) ?
-                           widgetSize.height() - 2 * margin : maxIconHeight;
-    }

 
 

-    const int maxScaledIconWidth = iconOnTop ? widgetSize.width() - 2 * margin : scaledIconSize;
-    const int maxScaledIconHeight = scaledIconSize;
-
-    m_scaledPixmapSize = m_pixmap.size();
-    m_scaledPixmapSize.scale(maxScaledIconWidth, maxScaledIconHeight, Qt::KeepAspectRatio);
-
-    if (iconOnTop) {
-        // Center horizontally and align on bottom within the icon-area
-        m_pixmapPos.setX((widgetSize.width() - m_scaledPixmapSize.width()) / 2);
-        m_pixmapPos.setY(margin + scaledIconSize - m_scaledPixmapSize.height());

     } else {
     } else {

-        // Center horizontally and vertically within the icon-area
-        m_pixmapPos.setX(m_textPos[Name].x() - 2 * margin
-                         - (scaledIconSize + m_scaledPixmapSize.width()) / 2);
-        m_pixmapPos.setY(margin
-                         + (scaledIconSize - m_scaledPixmapSize.height()) / 2);
-    }
-
-    m_iconRect = QRectF(m_pixmapPos, QSizeF(m_scaledPixmapSize));
-    m_iconRect.adjust(-margin, -margin, margin, margin);
-    
-    // Prepare the pixmap that is used when the item gets hovered
-    if (isHovered()) {
-        m_hoverPixmap = m_pixmap;
-        KIconEffect* effect = KIconLoader::global()->iconEffect();
-        // In the KIconLoader terminology, active = hover.
-        if (effect->hasEffect(KIconLoader::Desktop, KIconLoader::ActiveState)) {
-            m_hoverPixmap = effect->apply(m_pixmap, KIconLoader::Desktop, KIconLoader::ActiveState);
-        } else {
-            m_hoverPixmap = m_pixmap;
-        }
-    } else if (hoverOpacity() <= 0.0) {
-        // No hover animation is ongoing. Clear m_hoverPixmap to save memory.
-        m_hoverPixmap = QPixmap();
-    }
-}
-
-void KFileItemListWidget::updateTextsCache()
-{
-    QTextOption textOption;
-    switch (m_layout) {
-    case IconsLayout:
-        textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
-        textOption.setAlignment(Qt::AlignHCenter);
-        break;
-    case CompactLayout:
-    case DetailsLayout:
-        textOption.setAlignment(Qt::AlignLeft);
-        textOption.setWrapMode(QTextOption::NoWrap);
-        break;
-    default:
-        Q_ASSERT(false);
-        break;
-    }
-
-    for (int i = 0; i < TextIdCount; ++i) {
-        m_text[i].setText(QString());
-        m_text[i].setTextOption(textOption);
+        selectionLength -= extension.length() + 1;

     }
 
     }
 

-    switch (m_layout) {
-    case IconsLayout:   updateIconsLayoutTextCache(); break;
-    case CompactLayout: updateCompactLayoutTextCache(); break;
-    case DetailsLayout: updateDetailsLayoutTextCache(); break;
-    default: Q_ASSERT(false); break;
-    }
+    return selectionLength;

 }
 
 }
 

-void KFileItemListWidget::updateIconsLayoutTextCache()
+void KFileItemListWidget::hoverSequenceStarted()

 {
 {

-    //      +------+
-    //      | Icon |
-    //      +------+
-    //
-    //    Name role that
-    // might get wrapped above
-    //    several lines.
-    //  Additional role 1
-    //  Additional role 2
-
-    const QHash<QByteArray, QVariant> values = data();
-
-    const KItemListStyleOption& option = styleOption();
-    const qreal margin = option.margin;
-    const qreal maxWidth = size().width() - 2 * margin;
-    const qreal widgetHeight = size().height();
-    const qreal fontHeight = option.fontMetrics.height();
-
-    // Initialize properties for the "name" role. It will be used as anchor
-    // for initializing the position of the other roles.
-    m_text[Name].setText(KStringHandler::preProcessWrap(values["name"].toString()));
-
-    // Calculate the number of lines required for the name and the required width
-    int textLinesCountForName = 0;
-    qreal requiredWidthForName = 0;
-    QTextLine line;
-
-    QTextLayout layout(m_text[Name].text(), option.font);
-    layout.setTextOption(m_text[Name].textOption());
-    layout.beginLayout();
-    while ((line = layout.createLine()).isValid()) {
-        line.setLineWidth(maxWidth);
-        requiredWidthForName = qMax(requiredWidthForName, line.naturalTextWidth());
-        ++textLinesCountForName;
-    }
-    layout.endLayout();
-
-    // Use one line for each additional information
-    int textLinesCount = textLinesCountForName;
-    const int additionalRolesCount = qMax(visibleRoles().count() - 1, 0);
-    textLinesCount += additionalRolesCount;
-
-    m_text[Name].setTextWidth(maxWidth);
-    m_textPos[Name] = QPointF(margin, widgetHeight - textLinesCount * fontHeight - margin);
-    m_textRect = QRectF(margin + (maxWidth - requiredWidthForName) / 2,
-                        m_textPos[Name].y(),
-                        requiredWidthForName,
-                        textLinesCountForName * fontHeight);
-
-    // Calculate the position for each additional information
-    qreal y = m_textPos[Name].y() + textLinesCountForName * fontHeight;
-    foreach (const QByteArray& role, m_sortedVisibleRoles) {
-        const TextId textId = roleTextId(role);
-        if (textId == Name) {
-            continue;
-        }
-
-        const QString text = roleText(role, values);
-        m_text[textId].setText(text);
-
-        qreal requiredWidth = 0;
-
-        QTextLayout layout(text, option.font);
-        layout.setTextOption(m_text[textId].textOption());
-        layout.beginLayout();
-        QTextLine textLine = layout.createLine();
-        if (textLine.isValid()) {
-            textLine.setLineWidth(maxWidth);
-            requiredWidth = textLine.naturalTextWidth();
-            if (textLine.textLength() < text.length()) {
-                // TODO: QFontMetrics::elidedText() works different regarding the given width
-                // in comparison to QTextLine::setLineWidth(). It might happen that the text does
-                // not get elided although it does not fit into the given width. As workaround
-                // the margin is substracted.
-                const QString elidedText = option.fontMetrics.elidedText(text, Qt::ElideRight, maxWidth - margin);
-                m_text[textId].setText(elidedText);
-            }
-        }
-        layout.endLayout();
+    KFileItemListView* view = listView();

 
 

-        m_textPos[textId] = QPointF(margin, y);
-        m_text[textId].setTextWidth(maxWidth);
-
-        const QRectF textRect(margin + (maxWidth - requiredWidth) / 2, y, requiredWidth, fontHeight);
-        m_textRect |= textRect;
-
-        y += fontHeight;
+    if (!view) {
+        return;

     }
 
     }
 

-    // Add a margin to the text rectangle
-    m_textRect.adjust(-margin, -margin, margin, margin);
-}
-
-void KFileItemListWidget::updateCompactLayoutTextCache()
-{
-    // +------+  Name role
-    // | Icon |  Additional role 1
-    // +------+  Additional role 2
-
-    const QHash<QByteArray, QVariant> values = data();
-
-    const KItemListStyleOption& option = styleOption();
-    const qreal widgetHeight = size().height();
-    const qreal fontHeight = option.fontMetrics.height();
-    const qreal textLinesHeight = qMax(visibleRoles().count(), 1) * fontHeight;
-    const int scaledIconSize = (textLinesHeight < option.iconSize) ? widgetHeight - 2 * option.margin : option.iconSize;
-
-    qreal maximumRequiredTextWidth = 0;
-    const qreal x = option.margin * 3 + scaledIconSize;
-    qreal y = (widgetHeight - textLinesHeight) / 2;
-    const qreal maxWidth = size().width() - x - option.margin;
-    foreach (const QByteArray& role, m_sortedVisibleRoles) {
-        const TextId textId = roleTextId(role);
-
-        const QString text = roleText(role, values);
-        m_text[textId].setText(text);
-
-        qreal requiredWidth = option.fontMetrics.width(text);
-        if (requiredWidth > maxWidth) {
-            requiredWidth = maxWidth;
-            const QString elidedText = option.fontMetrics.elidedText(text, Qt::ElideRight, maxWidth);
-            m_text[textId].setText(elidedText);
-        }
-
-        m_textPos[textId] = QPointF(x, y);
-        m_text[textId].setTextWidth(maxWidth);
-
-        maximumRequiredTextWidth = qMax(maximumRequiredTextWidth, requiredWidth);
+    const QUrl itemUrl = data().value("url").toUrl();

 
 

-        y += fontHeight;
-    }
-
-    m_textRect = QRectF(x - option.margin, 0, maximumRequiredTextWidth + 2 * option.margin, widgetHeight);
+    view->setHoverSequenceState(itemUrl, 0);

 }
 
 }
 

-void KFileItemListWidget::updateDetailsLayoutTextCache()
+void KFileItemListWidget::hoverSequenceIndexChanged(int sequenceIndex)

 {
 {

-    // Precondition: Requires already updated m_expansionArea
-    // to determine the left position.
-
-    // +------+
-    // | Icon |  Name role   Additional role 1   Additional role 2
-    // +------+
-    m_textRect = QRectF();
+    KFileItemListView* view = listView();

 
 

-    const KItemListStyleOption& option = styleOption();
-    const QHash<QByteArray, QVariant> values = data();
-
-    const qreal widgetHeight = size().height();
-    const int scaledIconSize = widgetHeight - 2 * option.margin;
-    const int fontHeight = option.fontMetrics.height();
-
-    const qreal columnMargin = option.margin * 3;
-    const qreal firstColumnInc = m_expansionArea.right() + option.margin * 2 + scaledIconSize;
-    qreal x = firstColumnInc;
-    const qreal y = qMax(qreal(option.margin), (widgetHeight - fontHeight) / 2);
-
-    foreach (const QByteArray& role, m_sortedVisibleRoles) {
-        const TextId textId = roleTextId(role);
-
-        QString text = roleText(role, values);
-
-        // Elide the text in case it does not fit into the available column-width
-        qreal requiredWidth = option.fontMetrics.width(text);
-        const qreal columnWidth = visibleRolesSizes().value(role, QSizeF(0, 0)).width();
-        qreal availableTextWidth = columnWidth - 2 * columnMargin;
-        if (textId == Name) {
-            availableTextWidth -= firstColumnInc;
-        }
-
-        if (requiredWidth > availableTextWidth) {
-            text = option.fontMetrics.elidedText(text, Qt::ElideRight, availableTextWidth);
-            requiredWidth = option.fontMetrics.width(text);
-        }
-
-        m_text[textId].setText(text);
-        m_textPos[textId] = QPointF(x + columnMargin, y);
-        x += columnWidth;
-
-        switch (textId) {
-        case Name: {
-            m_textRect = QRectF(m_textPos[textId].x() - option.margin, 0,
-                                        requiredWidth + 2 * option.margin, size().height());
-
-            // The column after the name should always be aligned on the same x-position independent
-            // from the expansion-level shown in the name column
-            x -= firstColumnInc;
-            break;
-        }
-        case Size:
-            // The values for the size should be right aligned
-            m_textPos[textId].rx() += columnWidth - requiredWidth - 2 * columnMargin;
-            break;
-
-        default:
-            break;
-        }
+    if (!view) {
+        return;

     }
     }

-}

 
 

-void KFileItemListWidget::updateAdditionalInfoTextColor()
-{
-    QColor c1;
-    if (m_customTextColor.isValid()) {
-        c1 = m_customTextColor;
-    } else if (isSelected() && m_layout != DetailsLayout) {
-        c1 = styleOption().palette.highlightedText().color();
-    } else {
-        c1 = styleOption().palette.text().color();
-    }
+    const QUrl itemUrl = data().value("url").toUrl();

 
 

-    // For the color of the additional info the inactive text color
-    // is not used as this might lead to unreadable text for some color schemes. Instead
-    // the text color c1 is slightly mixed with the background color.
-    const QColor c2 = styleOption().palette.base().color();
-    const int p1 = 70;
-    const int p2 = 100 - p1;
-    m_additionalInfoTextColor = QColor((c1.red()   * p1 + c2.red()   * p2) / 100,
-                                       (c1.green() * p1 + c2.green() * p2) / 100,
-                                       (c1.blue()  * p1 + c2.blue()  * p2) / 100);
-}
+    view->setHoverSequenceState(itemUrl, sequenceIndex);

 
 

-void KFileItemListWidget::drawPixmap(QPainter* painter, const QPixmap& pixmap)
-{
-    if (m_scaledPixmapSize != pixmap.size()) {
-        QPixmap scaledPixmap = pixmap;
-        KPixmapModifier::scale(scaledPixmap, m_scaledPixmapSize);
-        painter->drawPixmap(m_pixmapPos, scaledPixmap);
-
-#ifdef KFILEITEMLISTWIDGET_DEBUG
-        painter->setPen(Qt::blue);
-        painter->drawRect(QRectF(m_pixmapPos, QSizeF(m_scaledPixmapSize)));
-#endif
-    } else {
-        painter->drawPixmap(m_pixmapPos, pixmap);
-    }
+    // Force-update the displayed icon
+    invalidateIconCache();
+    update();

 }
 
 }
 

-QPixmap KFileItemListWidget::pixmapForIcon(const QString& name, int size)
+void KFileItemListWidget::hoverSequenceEnded()

 {
 {

-    const KIcon icon(name);
-
-    int requestedSize;
-    if (size <= KIconLoader::SizeSmall) {
-        requestedSize = KIconLoader::SizeSmall;
-    } else if (size <= KIconLoader::SizeSmallMedium) {
-        requestedSize = KIconLoader::SizeSmallMedium;
-    } else if (size <= KIconLoader::SizeMedium) {
-        requestedSize = KIconLoader::SizeMedium;
-    } else if (size <= KIconLoader::SizeLarge) {
-        requestedSize = KIconLoader::SizeLarge;
-    } else if (size <= KIconLoader::SizeHuge) {
-        requestedSize = KIconLoader::SizeHuge;
-    } else if (size <= KIconLoader::SizeEnormous) {
-        requestedSize = KIconLoader::SizeEnormous;
-    } else if (size <= KIconLoader::SizeEnormous * 2) {
-        requestedSize = KIconLoader::SizeEnormous * 2;
-    } else {
-        requestedSize = size;
-    }
-
-    QPixmap pixmap = icon.pixmap(requestedSize, requestedSize);
-    if (requestedSize != size) {
-        KPixmapModifier::scale(pixmap, QSize(size, size));
-    }
-
-    return pixmap;
-}
+    KFileItemListView* view = listView();

 
 

-KFileItemListWidget::TextId KFileItemListWidget::roleTextId(const QByteArray& role)
-{
-    static QHash<QByteArray, TextId> rolesHash;
-    if (rolesHash.isEmpty()) {
-        rolesHash.insert("name", Name);
-        rolesHash.insert("size", Size);
-        rolesHash.insert("date", Date);
-        rolesHash.insert("permissions", Permissions);
-        rolesHash.insert("owner", Owner);
-        rolesHash.insert("group", Group);
-        rolesHash.insert("type", Type);
-        rolesHash.insert("destination", Destination);
-        rolesHash.insert("path", Path);
+    if (!view) {
+        return;

     }
 
     }
 

-    return rolesHash.value(role);
-}
-
-void KFileItemListWidget::applyCutEffect(QPixmap& pixmap)
-{
-    KIconEffect* effect = KIconLoader::global()->iconEffect();
-    pixmap = effect->apply(pixmap, KIconLoader::Desktop, KIconLoader::DisabledState);
+    view->setHoverSequenceState(QUrl(), 0);

 }
 
 }
 

-void KFileItemListWidget::applyHiddenEffect(QPixmap& pixmap)
+KFileItemListView* KFileItemListWidget::listView()

 {
 {

-    KIconEffect::semiTransparent(pixmap);
+    return dynamic_cast<KFileItemListView*>(parentItem());

 }
 
 }
 

-#include "kfileitemlistwidget.moc"