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Create the new architecture for KCategorizedView. Now DolphinModel is created, inheri...
[dolphin.git] / src / dolphindetailsview.cpp
diff --git a/src/dolphindetailsview.cpp b/src/dolphindetailsview.cpp
index 9e1e0ab27020b988dc44c85ed6b7dabef78f3231..defe93192fc6cc377405fd1253f3ea4368fcbb95 100644 (file)
--- a/src/dolphindetailsview.cpp
+++ b/src/dolphindetailsview.cpp
@@ -15,804 +15,412 @@
  *   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.,                                       *
  *   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.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  ***************************************************************************/
 
 #include "dolphindetailsview.h"
 
  ***************************************************************************/
 
 #include "dolphindetailsview.h"
 
-#include <qpainter.h>
-#include <qobject.h>
-#include <q3header.h>
-#include <qclipboard.h>
-#include <qpainter.h>
-//Added by qt3to4:
-#include <Q3ValueList>
-#include <QPixmap>
-#include <QDragMoveEvent>
-#include <QDropEvent>
-#include <QResizeEvent>
-#include <QMouseEvent>
-#include <QEvent>
-#include <QPaintEvent>
-#include <QStyleOptionFocusRect>
-#include <klocale.h>
-#include <kglobalsettings.h>
-#include <kicontheme.h>
-#include <qscrollbar.h>
-#include <qcursor.h>
-#include <qstyle.h>
-#include <assert.h>
-
-#include "dolphinview.h"
-#include "viewproperties.h"
-#include "dolphin.h"
-#include "kiconeffect.h"
+#include "dolphinmodel.h"
+#include "dolphincontroller.h"
 #include "dolphinsettings.h"
 #include "dolphinsettings.h"
-#include "dolphinstatusbar.h"
-#include "detailsmodesettings.h"
-
-DolphinDetailsView::DolphinDetailsView(DolphinView* parent) :
-    KFileDetailView(parent),
-    m_dolphinView(parent),
-    m_resizeTimer(0),
-    m_scrollTimer(0),
-    m_rubber(0)
-{
-    m_resizeTimer = new QTimer(this);
-    connect(m_resizeTimer, SIGNAL(timeout()),
-            this, SLOT(updateColumnsWidth()));
-
-    setAcceptDrops(true);
-    setSelectionMode(KFile::Extended);
-    setHScrollBarMode(Q3ScrollView::AlwaysOff);
-
-    setColumnAlignment(SizeColumn, Qt::AlignRight);
-    for (int i = DateColumn; i <= GroupColumn; ++i) {
-        setColumnAlignment(i, Qt::AlignHCenter);
-    }
-
-    Dolphin& dolphin = Dolphin::mainWin();
-
-    connect(this, SIGNAL(onItem(Q3ListViewItem*)),
-            this, SLOT(slotOnItem(Q3ListViewItem*)));
-    connect(this, SIGNAL(onViewport()),
-            this, SLOT(slotOnViewport()));
-    connect(this, SIGNAL(contextMenuRequested(Q3ListViewItem*, const QPoint&, int)),
-            this, SLOT(slotContextMenuRequested(Q3ListViewItem*, const QPoint&, int)));
-    connect(this, SIGNAL(selectionChanged()),
-            &dolphin, SLOT(slotSelectionChanged()));
-    connect(&dolphin, SIGNAL(activeViewChanged()),
-            this, SLOT(slotActivationUpdate()));
-    connect(this, SIGNAL(itemRenamed(Q3ListViewItem*, const QString&, int)),
-            this, SLOT(slotItemRenamed(Q3ListViewItem*, const QString&, int)));
-    connect(this, SIGNAL(dropped(QDropEvent*, const KUrl::List&, const KUrl&)),
-            parent, SLOT(slotUrlListDropped(QDropEvent*, const KUrl::List&, const KUrl&)));
-
-    QClipboard* clipboard = QApplication::clipboard();
-    connect(clipboard, SIGNAL(dataChanged()),
-            this, SLOT(slotUpdateDisabledItems()));
-
-    Q3Header* viewHeader = header();
-    viewHeader->setResizeEnabled(false);
-    viewHeader->setMovingEnabled(false);
-    connect(viewHeader, SIGNAL(clicked(int)),
-            this, SLOT(slotHeaderClicked(int)));
-
-    setMouseTracking(true);
-    setDefaultRenameAction(Q3ListView::Accept);
-
-    refreshSettings();
-}
+#include "dolphinsortfilterproxymodel.h"
+#include "viewproperties.h"
 
 
-DolphinDetailsView::~DolphinDetailsView()
-{
-    delete m_rubber;
-    m_rubber = 0;
-}
+#include "dolphin_detailsmodesettings.h"
 
 
-void DolphinDetailsView::beginItemUpdates()
-{
-}
+#include <QApplication>
+#include <QHeaderView>
+#include <QRubberBand>
+#include <QPainter>
+#include <QScrollBar>
 
 
-void DolphinDetailsView::endItemUpdates()
+DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* controller) :
+    QTreeView(parent),
+    m_controller(controller),
+    m_dragging(false),
+    m_showElasticBand(false),
+    m_elasticBandOrigin(),
+    m_elasticBandDestination()
 {
 {
-    updateDisabledItems();
-
-    // Restore the current item. Use the information stored in the history if
-    // available. Otherwise use the first item as current item.
+    Q_ASSERT(controller != 0);
 
 
-    const KFileListViewItem* item = static_cast<const KFileListViewItem*>(firstChild());
-    if (item != 0) {
-        setCurrentItem(item->fileInfo());
-    }
-
-    int index = 0;
-    const Q3ValueList<UrlNavigator::HistoryElem> history = m_dolphinView->urlHistory(index);
-    if (!history.isEmpty()) {
-        KFileView* fileView = static_cast<KFileView*>(this);
-        fileView->setCurrentItem(history[index].currentFileName());
-        setContentsPos(history[index].contentsX(), history[index].contentsY());
-    }
-
-    updateColumnsWidth();
-}
+    setAcceptDrops(true);
+    setRootIsDecorated(false);
+    setSortingEnabled(true);
+    setUniformRowHeights(true);
+    setSelectionBehavior(SelectItems);
+    setDragDropMode(QAbstractItemView::DragDrop);
+    setDropIndicatorShown(false);
+    setAlternatingRowColors(true);
 
 
-void DolphinDetailsView::insertItem(KFileItem* fileItem)
-{
-    KFileView::insertItem(fileItem);
+    setMouseTracking(true);
+    viewport()->setAttribute(Qt::WA_Hover);
+
+    const ViewProperties props(controller->url());
+    setSortIndicatorSection(props.sorting());
+    setSortIndicatorOrder(props.sortOrder());
+
+    connect(header(), SIGNAL(sectionClicked(int)),
+            this, SLOT(synchronizeSortingState(int)));
+
+    connect(parent, SIGNAL(sortingChanged(DolphinView::Sorting)),
+            this, SLOT(setSortIndicatorSection(DolphinView::Sorting)));
+    connect(parent, SIGNAL(sortOrderChanged(Qt::SortOrder)),
+            this, SLOT(setSortIndicatorOrder(Qt::SortOrder)));
+
+    // TODO: Connecting to the signal 'activated()' is not possible, as kstyle
+    // does not forward the single vs. doubleclick to it yet (KDE 4.1?). Hence it is
+    // necessary connecting the signal 'singleClick()' or 'doubleClick' and to handle the
+    // RETURN-key in keyPressEvent().
+    if (KGlobalSettings::singleClick()) {
+        connect(this, SIGNAL(clicked(const QModelIndex&)),
+                this, SLOT(slotItemActivated(const QModelIndex&)));
+    } else {
+        connect(this, SIGNAL(doubleClicked(const QModelIndex&)),
+                this, SLOT(slotItemActivated(const QModelIndex&)));
+    }
+    connect(this, SIGNAL(entered(const QModelIndex&)),
+            this, SLOT(slotEntered(const QModelIndex&)));
+    connect(this, SIGNAL(viewportEntered()),
+            controller, SLOT(emitViewportEntered()));
+    connect(controller, SIGNAL(zoomIn()),
+            this, SLOT(zoomIn()));
+    connect(controller, SIGNAL(zoomOut()),
+            this, SLOT(zoomOut()));
+
+    // apply the details mode settings to the widget
+    const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+    Q_ASSERT(settings != 0);
 
 
-    DolphinListViewItem* item = new DolphinListViewItem(static_cast<Q3ListView*>(this), fileItem);
+    m_viewOptions = QTreeView::viewOptions();
 
 
-    QDir::SortFlags spec = KFileView::sorting();
-    if (spec & QDir::Time) {
-        item->setKey(sortingKey(fileItem->time(KIO::UDS_MODIFICATION_TIME),
-                                fileItem->isDir(),
-                                spec));
-    }
-    else if (spec & QDir::Size) {
-       item->setKey(sortingKey(fileItem->size(), fileItem->isDir(), spec));
-    }
-    else {
-       item->setKey(sortingKey(fileItem->text(), fileItem->isDir(), spec));
-    }
+    QFont font(settings->fontFamily(), settings->fontSize());
+    font.setItalic(settings->italicFont());
+    font.setBold(settings->boldFont());
+    m_viewOptions.font = font;
 
 
-    fileItem->setExtraData(this, item);
+    updateDecorationSize();
 }
 
 }
 
-bool DolphinDetailsView::isOnFilename(const Q3ListViewItem* item, const QPoint& pos) const
+DolphinDetailsView::~DolphinDetailsView()
 {
 {
-    const QPoint absPos(mapToGlobal(QPoint(0, 0)));
-    return (pos.x() - absPos.x()) <= filenameWidth(item);
 }
 
 }
 
-void DolphinDetailsView::refreshSettings()
+bool DolphinDetailsView::event(QEvent* event)
 {
 {
-    const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
-    assert(settings != 0);
+    if (event->type() == QEvent::Polish) {
+        // Assure that by respecting the available width that:
+        // - the 'Name' column is stretched as large as possible
+        // - the remaining columns are as small as possible
+        QHeaderView* headerView = header();
+        headerView->setStretchLastSection(false);
+        headerView->setResizeMode(QHeaderView::ResizeToContents);
+        headerView->setResizeMode(0, QHeaderView::Stretch);
 
 
-    if (!settings->showGroup()) {
-        removeColumn(GroupColumn);
-    }
-    if (!settings->showOwner()) {
-        removeColumn(OwnerColumn);
-    }
-    if (!settings->showPermissions()) {
-        removeColumn(PermissionsColumn);
-    }
-    if (!settings->showDate()) {
-        removeColumn(DateColumn);
-    }
+        // hide columns if this is indicated by the settings
+        const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+        Q_ASSERT(settings != 0);
+        if (!settings->showDate()) {
+            hideColumn(DolphinModel::ModifiedTime);
+        }
 
 
-    QFont adjustedFont(font());
-    adjustedFont.setFamily(settings->fontFamily());
-    adjustedFont.setPointSize(settings->fontSize());
-    setFont(adjustedFont);
+        if (!settings->showPermissions()) {
+            hideColumn(DolphinModel::Permissions);
+        }
 
 
-    updateView(true);
-}
+        if (!settings->showOwner()) {
+            hideColumn(DolphinModel::Owner);
+        }
 
 
-void DolphinDetailsView::zoomIn()
-{
-    if (isZoomInPossible()) {
-        DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
-        switch (settings->iconSize()) {
-            case K3Icon::SizeSmall:  settings->setIconSize(K3Icon::SizeMedium); break;
-            case K3Icon::SizeMedium: settings->setIconSize(K3Icon::SizeLarge); break;
-            default: assert(false); break;
+        if (!settings->showGroup()) {
+            hideColumn(DolphinModel::Group);
         }
         }
-        ItemEffectsManager::zoomIn();
-    }
-}
 
 
-void DolphinDetailsView::zoomOut()
-{
-    if (isZoomOutPossible()) {
-        DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
-        switch (settings->iconSize()) {
-            case K3Icon::SizeLarge:  settings->setIconSize(K3Icon::SizeMedium); break;
-            case K3Icon::SizeMedium: settings->setIconSize(K3Icon::SizeSmall); break;
-            default: assert(false); break;
+        if (!settings->showType()) {
+            hideColumn(DolphinModel::Type);
         }
         }
-        ItemEffectsManager::zoomOut();
     }
     }
-}
 
 
-bool DolphinDetailsView::isZoomInPossible() const
-{
-    DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
-    return settings->iconSize() < K3Icon::SizeLarge;
+    return QTreeView::event(event);
 }
 
 }
 
-bool DolphinDetailsView::isZoomOutPossible() const
+QStyleOptionViewItem DolphinDetailsView::viewOptions() const
 {
 {
-    DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
-    return settings->iconSize() > K3Icon::SizeSmall;
+    return m_viewOptions;
 }
 
 }
 
-void DolphinDetailsView::resizeContents(int width, int height)
+void DolphinDetailsView::contextMenuEvent(QContextMenuEvent* event)
 {
 {
-    KFileDetailView::resizeContents(width, height);
-
-    // When loading several 1000 items a punch of resize events
-    // drops in. As updating the column width is a quite expensive
-    // operation, this operation will be postponed until there is
-    // no resize event for at least 50 milliseconds.
-    m_resizeTimer->stop();
-    m_resizeTimer->start(50, true);
+    QTreeView::contextMenuEvent(event);
+    m_controller->triggerContextMenuRequest(event->pos());
 }
 
 }
 
-void DolphinDetailsView::slotOnItem(Q3ListViewItem* item)
+void DolphinDetailsView::mousePressEvent(QMouseEvent* event)
 {
 {
-    if (isOnFilename(item, QCursor::pos())) {
-        activateItem(item);
-        KFileItem* fileItem = static_cast<KFileListViewItem*>(item)->fileInfo();
-        m_dolphinView->requestItemInfo(fileItem->url());
-    }
-    else {
-        resetActivatedItem();
-    }
-}
+    m_controller->triggerActivation();
 
 
-void DolphinDetailsView::slotOnViewport()
-{
-    resetActivatedItem();
-    m_dolphinView->requestItemInfo(KUrl());
-}
+    QTreeView::mousePressEvent(event);
 
 
-void DolphinDetailsView::setContextPixmap(void* context,
-                                        const QPixmap& pixmap)
-{
-    reinterpret_cast<KFileListViewItem*>(context)->setPixmap(0, pixmap);
-}
+    const QModelIndex index = indexAt(event->pos());
+    if (!index.isValid() || (index.column() != DolphinModel::Name)) {
+        const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
+        if (!(modifier & Qt::ShiftModifier) && !(modifier & Qt::ControlModifier)) {
+            clearSelection();
+        }
+    }
 
 
-const QPixmap* DolphinDetailsView::contextPixmap(void* context)
-{
-    return reinterpret_cast<KFileListViewItem*>(context)->pixmap(0);
-}
+    if (event->button() == Qt::LeftButton) {
+        m_showElasticBand = true;
 
 
-void* DolphinDetailsView::firstContext()
-{
-    return reinterpret_cast<void*>(firstChild());
+        const QPoint pos(contentsPos());
+        m_elasticBandOrigin = event->pos();
+        m_elasticBandOrigin.setX(m_elasticBandOrigin.x() + pos.x());
+        m_elasticBandOrigin.setY(m_elasticBandOrigin.y() + pos.y());
+        m_elasticBandDestination = event->pos();
+    }
 }
 
 }
 
-void* DolphinDetailsView::nextContext(void* context)
+void DolphinDetailsView::mouseMoveEvent(QMouseEvent* event)
 {
 {
-    KFileListViewItem* listViewItem = reinterpret_cast<KFileListViewItem*>(context);
-    return reinterpret_cast<void*>(listViewItem->nextSibling());
+    QTreeView::mouseMoveEvent(event);
+    if (m_showElasticBand) {
+        updateElasticBand();
+    }
 }
 
 }
 
-KFileItem* DolphinDetailsView::contextFileInfo(void* context)
+void DolphinDetailsView::mouseReleaseEvent(QMouseEvent* event)
 {
 {
-    return reinterpret_cast<KFileListViewItem*>(context)->fileInfo();
+    QTreeView::mouseReleaseEvent(event);
+    if (m_showElasticBand) {
+        updateElasticBand();
+        m_showElasticBand = false;
+    }
 }
 
 }
 
-
-void DolphinDetailsView::contentsDragMoveEvent(QDragMoveEvent* event)
+void DolphinDetailsView::dragEnterEvent(QDragEnterEvent* event)
 {
 {
-    KFileDetailView::contentsDragMoveEvent(event);
-
-    // If a dragging is done above a directory, show the icon as 'active' for
-    // a visual feedback
-    KFileListViewItem* item = static_cast<KFileListViewItem*>(itemAt(event->pos()));
-
-    bool showActive = false;
-    if (item != 0) {
-        const KFileItem* fileInfo = item->fileInfo();
-        showActive = (fileInfo != 0) && fileInfo->isDir();
+    if (event->mimeData()->hasUrls()) {
+        event->acceptProposedAction();
     }
 
     }
 
-    if (showActive) {
-        slotOnItem(item);
+    if (m_showElasticBand) {
+        updateElasticBand();
+        m_showElasticBand = false;
     }
     }
-    else {
-        slotOnViewport();
-    }
-}
-
-void DolphinDetailsView::resizeEvent(QResizeEvent* event)
-{
-    KFileDetailView::resizeEvent(event);
-
-    // When loading several 1000 items a punch of resize events
-    // drops in. As updating the column width is a quite expensive
-    // operation, this operation will be postponed until there is
-    // no resize event for at least 50 milliseconds.
-    m_resizeTimer->stop();
-    m_resizeTimer->start(50, true);
+    m_dragging = true;
 }
 
 }
 
-bool DolphinDetailsView::acceptDrag(QDropEvent* event) const
+void DolphinDetailsView::dragLeaveEvent(QDragLeaveEvent* event)
 {
 {
-    KUrl::List uriList = KUrl::List::fromMimeData( event->mimeData() );
-    bool accept = !uriList.isEmpty() &&
-                  (event->action() == QDropEvent::Copy ||
-                   event->action() == QDropEvent::Move ||
-                   event->action() == QDropEvent::Link);
-    if (accept) {
-        if (static_cast<const QWidget*>(event->source()) == this) {
-            KFileListViewItem* item = static_cast<KFileListViewItem*>(itemAt(event->pos()));
-            accept = (item != 0);
-            if (accept) {
-                KFileItem* fileItem = item->fileInfo();
-                accept = fileItem->isDir();
-            }
-        }
-    }
+    QTreeView::dragLeaveEvent(event);
 
 
-    return accept;
+    // TODO: remove this code when the issue #160611 is solved in Qt 4.4
+    m_dragging = false;
+    setDirtyRegion(m_dropRect);
 }
 
 }
 
-void DolphinDetailsView::contentsDropEvent(QDropEvent* event)
+void DolphinDetailsView::dragMoveEvent(QDragMoveEvent* event)
 {
 {
-    // KFileDetailView::contentsDropEvent does not care whether the mouse
-    // cursor is above a filename or not, the destination Url is always
-    // the Url of the item. This is fixed here in a way that the destination
-    // Url is only the Url of the item if the cursor is above the filename.
-    const QPoint pos(QCursor::pos());
-    const QPoint viewportPos(viewport()->mapToGlobal(QPoint(0, 0)));
-    Q3ListViewItem* item = itemAt(QPoint(pos.x() - viewportPos.x(), pos.y() - viewportPos.y()));
-    if ((item == 0) || ((item != 0) && isOnFilename(item, pos))) {
-        // dropping is done on the viewport or directly above a filename
-        KFileDetailView::contentsDropEvent(event);
-        return;
-    }
+    QTreeView::dragMoveEvent(event);
 
 
-    // Dropping is done above an item, but the mouse cursor is not above the file name.
-    // In this case the signals of the base implementation will be blocked and send
-    // in a corrected manner afterwards.
-    assert(item != 0);
-    const bool block = signalsBlocked();
-    blockSignals(true);
-    KFileDetailView::contentsDropEvent(event);
-    blockSignals(block);
-
-    if (!acceptDrag(event)) {
-        return;
-    }
-
-    emit dropped(event, 0);
-    KUrl::List urls = KUrl::List::fromMimeData( event->mimeData() );
-    if (!urls.isEmpty()) {
-        emit dropped(event, urls, KUrl());
-        sig->dropURLs(0, event, urls);
+    // TODO: remove this code when the issue #160611 is solved in Qt 4.4
+    setDirtyRegion(m_dropRect);
+    const QModelIndex index = indexAt(event->pos());
+    if (!index.isValid() || (index.column() != DolphinModel::Name)) {
+        m_dragging = false;
+    } else {
+        m_dragging = true;
+        m_dropRect = visualRect(index);
+        setDirtyRegion(m_dropRect);
     }
 }
 
     }
 }
 
-void DolphinDetailsView::contentsMousePressEvent(QMouseEvent* event)
+void DolphinDetailsView::dropEvent(QDropEvent* event)
 {
 {
-    if (m_rubber != 0) {
-        drawRubber();
-        delete m_rubber;
-        m_rubber = 0;
-    }
-
-    // Swallow the base implementation of the mouse press event
-    // if the mouse cursor is not above the filename. This prevents
-    // that the item gets selected and simulates an equal usability
-    // like in the icon view.
-    const QPoint pos(QCursor::pos());
-    const QPoint viewportPos(viewport()->mapToGlobal(QPoint(0, 0)));
-    Q3ListViewItem* item = itemAt(QPoint(pos.x() - viewportPos.x(), pos.y() - viewportPos.y()));
-    if ((item != 0) && isOnFilename(item, pos)) {
-        KFileDetailView::contentsMousePressEvent(event);
-    }
-    else if (event->button() == Qt::LeftButton) {
-        const Qt::KeyboardModifiers keyboardState = QApplication::keyboardModifiers();
-        const bool isSelectionActive = (keyboardState & Qt::ShiftModifier) ||
-                                       (keyboardState & Qt::ControlModifier);
-        if (!isSelectionActive) {
-            clearSelection();
-        }
-
-        assert(m_rubber == 0);
-        m_rubber = new QRect(event->x(), event->y(), 0, 0);
+    const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
+    if (!urls.isEmpty()) {
+        event->acceptProposedAction();
+        m_controller->indicateDroppedUrls(urls,
+                                          indexAt(event->pos()),
+                                          event->source());
     }
     }
-
-    resetActivatedItem();
-    emit signalRequestActivation();
-
-    m_dolphinView->statusBar()->clear();
+    QTreeView::dropEvent(event);
+    m_dragging = false;
 }
 
 }
 
-void DolphinDetailsView::contentsMouseMoveEvent(QMouseEvent* event)
+void DolphinDetailsView::paintEvent(QPaintEvent* event)
 {
 {
-    if (m_rubber != 0) {
-        slotAutoScroll();
-        return;
-    }
+    QTreeView::paintEvent(event);
+    if (m_showElasticBand) {
+        // The following code has been taken from QListView
+        // and adapted to DolphinDetailsView.
+        // (C) 1992-2007 Trolltech ASA
+        QStyleOptionRubberBand opt;
+        opt.initFrom(this);
+        opt.shape = QRubberBand::Rectangle;
+        opt.opaque = false;
+        opt.rect = elasticBandRect();
 
 
-    KFileDetailView::contentsMouseMoveEvent(event);
-
-    const QPoint& pos = event->globalPos();
-    const QPoint viewportPos = viewport()->mapToGlobal(QPoint(0, 0));
-    Q3ListViewItem* item = itemAt(QPoint(pos.x() - viewportPos.x(), pos.y() - viewportPos.y()));
-    if ((item != 0) && isOnFilename(item, pos)) {
-        activateItem(item);
-    }
-    else {
-        resetActivatedItem();
-    }
-}
-
-void DolphinDetailsView::contentsMouseReleaseEvent(QMouseEvent* event)
-{
-    if (m_rubber != 0) {
-        drawRubber();
-        delete m_rubber;
-        m_rubber = 0;
+        QPainter painter(viewport());
+        painter.save();
+        style()->drawControl(QStyle::CE_RubberBand, &opt, &painter);
+        painter.restore();
     }
 
     }
 
-    if (m_scrollTimer != 0) {
-        disconnect(m_scrollTimer, SIGNAL(timeout()),
-                    this, SLOT(slotAutoScroll()));
-        m_scrollTimer->stop();
-        delete m_scrollTimer;
-        m_scrollTimer = 0;
+    // TODO: remove this code when the issue #160611 is solved in Qt 4.4
+    if (m_dragging) {
+        const QBrush& brush = m_viewOptions.palette.brush(QPalette::Normal, QPalette::Highlight);
+        DolphinController::drawHoverIndication(viewport(), m_dropRect, brush);
     }
     }
-
-    KFileDetailView::contentsMouseReleaseEvent(event);
 }
 
 }
 
-void DolphinDetailsView::paintEmptyArea(QPainter* painter, const QRect& rect)
+void DolphinDetailsView::keyPressEvent(QKeyEvent* event)
 {
 {
-    if (m_dolphinView->isActive()) {
-        KFileDetailView::paintEmptyArea(painter, rect);
-    }
-    else {
-        const QBrush brush(colorGroup().background());
-        painter->fillRect(rect, brush);
-    }
-}
+    QTreeView::keyPressEvent(event);
 
 
-void DolphinDetailsView::drawRubber()
-{
-    // Parts of the following code have been taken
-    // from the class KonqBaseListViewWidget located in
-    // konqueror/listview/konq_listviewwidget.h of Konqueror.
-    // (Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
-    //  2001, 2002, 2004 Michael Brade <brade@kde.org>)
-    if (m_rubber == 0) {
-        return;
+    const QItemSelectionModel* selModel = selectionModel();
+    const QModelIndex currentIndex = selModel->currentIndex();
+    const bool triggerItem = currentIndex.isValid()
+                             && (event->key() == Qt::Key_Return)
+                             && (selModel->selectedIndexes().count() <= 1);
+    if (triggerItem) {
+        m_controller->triggerItem(currentIndex);
     }
     }
-
-    QPainter p;
-    p.begin(viewport());
-    //p.setRasterOp(NotROP);
-    p.setPen(QPen(Qt::color0, 1));
-    p.setBrush(Qt::NoBrush);
-
-    QPoint point(m_rubber->x(), m_rubber->y());
-    point = contentsToViewport(point);
-    QStyleOptionFocusRect option;
-    option.initFrom(this);
-    option.rect = QRect(point.x(), point.y(), m_rubber->width(), m_rubber->height());
-    style()->drawPrimitive(QStyle::PE_FrameFocusRect, &option, &p);
-    p.end();
 }
 
 }
 
-void DolphinDetailsView::viewportPaintEvent(QPaintEvent* paintEvent)
+void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
 {
 {
-    drawRubber();
-    KFileDetailView::viewportPaintEvent(paintEvent);
-    drawRubber();
+    QHeaderView* headerView = header();
+    headerView->setSortIndicator(sorting, headerView->sortIndicatorOrder());
 }
 
 }
 
-void DolphinDetailsView::leaveEvent(QEvent* event)
+void DolphinDetailsView::setSortIndicatorOrder(Qt::SortOrder sortOrder)
 {
 {
-    KFileDetailView::leaveEvent(event);
-    slotOnViewport();
+    QHeaderView* headerView = header();
+    headerView->setSortIndicator(headerView->sortIndicatorSection(), sortOrder);
 }
 
 }
 
-void DolphinDetailsView::slotActivationUpdate()
+void DolphinDetailsView::synchronizeSortingState(int column)
 {
 {
-    update();
-
-    // TODO: there must be a simpler way to say
-    // "update all children"
-    const QList<QObject*> list = children();
-    if (list.isEmpty()) {
-        return;
-    }
-
-    QListIterator<QObject*> it(list);
-    QObject* object = 0;
-    while (it.hasNext()) {
-        object = it.next();
-        if (object->inherits("QWidget")) {
-            QWidget* widget = static_cast<QWidget*>(object);
-            widget->update();
-        }
-    }
+    // The sorting has already been changed in QTreeView if this slot is
+    // invoked, but Dolphin is not informed about this.
+    DolphinView::Sorting sorting = DolphinSortFilterProxyModel::sortingForColumn(column);
+    const Qt::SortOrder sortOrder = header()->sortIndicatorOrder();
+    m_controller->indicateSortingChange(sorting);
+    m_controller->indicateSortOrderChange(sortOrder);
 }
 
 }
 
-void DolphinDetailsView::slotContextMenuRequested(Q3ListViewItem* item,
-                                                  const QPoint& pos,
-                                                  int /* col */)
+void DolphinDetailsView::slotEntered(const QModelIndex& index)
 {
 {
-    KFileItem* fileInfo = 0;
-    if ((item != 0) && isOnFilename(item, pos)) {
-        fileInfo = static_cast<KFileListViewItem*>(item)->fileInfo();
+    const QPoint pos = viewport()->mapFromGlobal(QCursor::pos());
+    const int nameColumnWidth = header()->sectionSize(DolphinModel::Name);
+    if (pos.x() < nameColumnWidth) {
+        m_controller->emitItemEntered(index);
+    }
+    else {
+        m_controller->emitViewportEntered();
     }
     }
-    m_dolphinView->openContextMenu(fileInfo, pos);
-
 }
 
 }
 
-void DolphinDetailsView::slotUpdateDisabledItems()
+void DolphinDetailsView::updateElasticBand()
 {
 {
-    updateDisabledItems();
+    Q_ASSERT(m_showElasticBand);
+    QRect dirtyRegion(elasticBandRect());
+    m_elasticBandDestination = viewport()->mapFromGlobal(QCursor::pos());
+    dirtyRegion = dirtyRegion.united(elasticBandRect());
+    setDirtyRegion(dirtyRegion);
 }
 
 }
 
-void DolphinDetailsView::slotAutoScroll()
+void DolphinDetailsView::zoomIn()
 {
 {
-    // Parts of the following code have been taken
-    // from the class KonqBaseListViewWidget located in
-    // konqueror/listview/konq_listviewwidget.h of Konqueror.
-    // (Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
-    //  2001, 2002, 2004 Michael Brade <brade@kde.org>)
-
-    const QPoint pos(viewport()->mapFromGlobal(QCursor::pos()));
-    const QPoint vc(viewportToContents(pos));
-
-    if (vc == m_rubber->bottomRight()) {
-        return;
-    }
-
-    drawRubber();
-
-    m_rubber->setBottomRight(vc);
-
-    Q3ListViewItem* item = itemAt(QPoint(0,0));
-
-    const bool block = signalsBlocked();
-    blockSignals(true);
-
-    const QRect rubber(m_rubber->normalize());
-    const int bottom = contentsY() + visibleHeight() - 1;
-
-    // select all items which intersect with the rubber, deselect all others
-    bool bottomReached = false;
-    while ((item != 0) && !bottomReached) {
-        QRect rect(itemRect(item));
-        rect.setWidth(filenameWidth(item));
-        rect = QRect(viewportToContents(rect.topLeft()),
-                     viewportToContents(rect.bottomRight()));
-        if (rect.isValid() && (rect.top() <= bottom)) {
-            const KFileItem* fileItem = static_cast<KFileListViewItem*>(item)->fileInfo();
-            setSelected(fileItem, rect.intersects(rubber));
-            item = item->itemBelow();
-        }
-        else {
-            bottomReached = true;
-        }
-    }
-
-    blockSignals(block);
-    emit selectionChanged();
-
-    drawRubber();
-
-    // scroll the viewport if the top or bottom margin is reached
-    const int scrollMargin = 40;
-    ensureVisible(vc.x(), vc.y(), scrollMargin, scrollMargin);
-    const bool scroll = !QRect(scrollMargin,
-                               scrollMargin,
-                               viewport()->width()  - 2 * scrollMargin,
-                               viewport()->height() - 2 * scrollMargin).contains(pos);
-    if (scroll) {
-        if (m_scrollTimer == 0) {
-            m_scrollTimer = new QTimer( this );
-            connect(m_scrollTimer, SIGNAL(timeout()),
-                    this, SLOT(slotAutoScroll()));
-            m_scrollTimer->start(100, false);
+    if (isZoomInPossible()) {
+        DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+        // TODO: get rid of K3Icon sizes
+        switch (settings->iconSize()) {
+        case K3Icon::SizeSmall:  settings->setIconSize(K3Icon::SizeMedium); break;
+        case K3Icon::SizeMedium: settings->setIconSize(K3Icon::SizeLarge); break;
+        default: Q_ASSERT(false); break;
         }
         }
-    }
-    else if (m_scrollTimer != 0) {
-        disconnect(m_scrollTimer, SIGNAL(timeout()),
-                   this, SLOT(slotAutoScroll()));
-        m_scrollTimer->stop();
-        delete m_scrollTimer;
-        m_scrollTimer = 0;
+        updateDecorationSize();
     }
 }
 
     }
 }
 
-void DolphinDetailsView::updateColumnsWidth()
+void DolphinDetailsView::zoomOut()
 {
 {
-    const int columnCount = columns();
-    int requiredWidth = 0;
-    for (int i = 1; i < columnCount; ++i) {
-        // When a directory contains no items, a minimum width for
-        // the column must be available, so that the header is readable.
-        // TODO: use header data instead of the hardcoded 64 value...
-        int columnWidth = 64;
-        QFontMetrics fontMetrics(font());
-        for (Q3ListViewItem* item = firstChild(); item != 0; item = item->nextSibling()) {
-            const int width = item->width(fontMetrics, this, i);
-            if (width > columnWidth) {
-                columnWidth = width;
-            }
+    if (isZoomOutPossible()) {
+        DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+        // TODO: get rid of K3Icon sizes
+        switch (settings->iconSize()) {
+        case K3Icon::SizeLarge:  settings->setIconSize(K3Icon::SizeMedium); break;
+        case K3Icon::SizeMedium: settings->setIconSize(K3Icon::SizeSmall); break;
+        default: Q_ASSERT(false); break;
         }
         }
-        columnWidth += 16;    // add custom margin
-        setColumnWidth(i, columnWidth);
-        requiredWidth += columnWidth;
-    }
-
-    // resize the first column in a way that the
-    // whole available width is used
-    int firstColumnWidth = visibleWidth() - requiredWidth;
-    if (firstColumnWidth < 128) {
-        firstColumnWidth = 128;
+        updateDecorationSize();
     }
     }
-    setColumnWidth(0, firstColumnWidth);
 }
 
 }
 
-void DolphinDetailsView::slotItemRenamed(Q3ListViewItem* item,
-                                         const QString& name,
-                                         int /* column */)
+bool DolphinDetailsView::isZoomInPossible() const
 {
 {
-    KFileItem* fileInfo = static_cast<KFileListViewItem*>(item)->fileInfo();
-    m_dolphinView->rename(KUrl(fileInfo->url()), name);
+    DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+    return settings->iconSize() < K3Icon::SizeLarge;
 }
 
 }
 
-void DolphinDetailsView::slotHeaderClicked(int /* section */)
+bool DolphinDetailsView::isZoomOutPossible() const
 {
 {
-    // The sorting has already been changed in QListView if this slot is
-    // invoked, but Dolphin was not informed about this (no signal is available
-    // which indicates a change of the sorting). This is bypassed by changing
-    // the sorting and sort order to a temporary other value and readjust it again.
-    const int column = sortColumn();
-    if (column <= DateColumn) {
-        DolphinView::Sorting sorting = DolphinView::SortByName;
-        switch (column) {
-            case SizeColumn: sorting = DolphinView::SortBySize; break;
-            case DateColumn: sorting = DolphinView::SortByDate; break;
-            case NameColumn:
-            default: break;
-        }
-
-        const Qt::SortOrder currSortOrder = sortOrder();
-
-        // temporary adjust the sorting and sort order to different values...
-        const DolphinView::Sorting tempSorting = (sorting == DolphinView::SortByName) ?
-                                                 DolphinView::SortBySize :
-                                                 DolphinView::SortByName;
-        m_dolphinView->setSorting(tempSorting);
-        const Qt::SortOrder tempSortOrder = (currSortOrder == Qt::Ascending) ?
-                                            Qt::Descending : Qt::Ascending;
-        m_dolphinView->setSortOrder(tempSortOrder);
-
-        // ... so that setting them again results in storing the new setting.
-        m_dolphinView->setSorting(sorting);
-        m_dolphinView->setSortOrder(currSortOrder);
-    }
+    DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+    return settings->iconSize() > K3Icon::SizeSmall;
 }
 
 }
 
-DolphinDetailsView::DolphinListViewItem::DolphinListViewItem(Q3ListView* parent,
-                                                             KFileItem* fileItem) :
-    KFileListViewItem(parent, fileItem)
+void DolphinDetailsView::updateDecorationSize()
 {
 {
-    const int iconSize = DolphinSettings::instance().detailsModeSettings()->iconSize();
-    KFileItem* info = fileInfo();
-    setPixmap(DolphinDetailsView::NameColumn, info->pixmap(iconSize));
-
-    // The base class KFileListViewItem represents the column 'Size' only as byte values.
-    // Adjust those values in a way that a mapping to GBytes, MBytes, KBytes and Bytes
-    // is done. As the file size for directories is useless (only the size of the directory i-node
-    // is given), it is removed completely.
-    if (fileItem->isDir()) {
-        setText(SizeColumn, " - ");
-    }
-    else {
-        QString sizeText(KIO::convertSize(fileItem->size()));
-        sizeText.append(" ");
-        setText(SizeColumn, sizeText);
-    }
-
-    // Dolphin allows to remove specific columns, but the base class KFileListViewItem
-    // is not aware about this (or at least the class KFileDetailView does not react on
-    // QListView::remove()). Therefore the columns are rearranged here.
-    const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
-    assert(settings != 0);
-
-    int column_idx = DateColumn;    // the columns for 'name' and 'size' cannot get removed
-    for (int i = DolphinDetailsView::DateColumn; i <= DolphinDetailsView::GroupColumn; ++i) {
-        if (column_idx < i) {
-            setText(column_idx, text(i));
-        }
+    DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+    const int iconSize = settings->iconSize();
+    m_viewOptions.decorationSize = QSize(iconSize, iconSize);
 
 
-        bool inc = false;
-        switch (i) {
-            case DateColumn:        inc = settings->showDate(); break;
-            case PermissionsColumn: inc = settings->showPermissions(); break;
-            case OwnerColumn:       inc = settings->showOwner(); break;
-            case GroupColumn:       inc = settings->showGroup(); break;
-            default: break;
-        }
+    m_controller->setZoomInPossible(isZoomInPossible());
+    m_controller->setZoomOutPossible(isZoomOutPossible());
 
 
-        if (inc) {
-            ++column_idx;
-        }
-    }
+    doItemsLayout();
 }
 
 }
 
-DolphinDetailsView::DolphinListViewItem::~DolphinListViewItem()
+QPoint DolphinDetailsView::contentsPos() const
 {
 {
-}
+    // implementation note: the horizonal position is ignored currently, as no
+    // horizontal scrolling is done anyway during a selection
+    const QScrollBar* scrollbar = verticalScrollBar();
+    Q_ASSERT(scrollbar != 0);
 
 
-void DolphinDetailsView::DolphinListViewItem::paintCell(QPainter* painter,
-                                                        const QColorGroup& colorGroup,
-                                                        int column,
-                                                        int cellWidth,
-                                                        int alignment)
-{
-    const Q3ListView* view = listView();
-    const bool isActive = view->parent() == Dolphin::mainWin().activeView();
-    if (isSelected()) {
-        // Per default the selection is drawn above the whole width of the item. As a consistent
-        // behavior with the icon view is wanted, only the the column containing the file name
-        // should be shown as selected.
-        QColorGroup defaultColorGroup(colorGroup);
-        const QColor highlightColor(isActive ? backgroundColor(column) : view->colorGroup().background());
-        defaultColorGroup.setColor(QColorGroup::Highlight , highlightColor);
-        defaultColorGroup.setColor(QColorGroup::HighlightedText, colorGroup.color(QColorGroup::Text));
-        KFileListViewItem::paintCell(painter, defaultColorGroup, column, cellWidth, alignment);
-
-        if (column == 0) {
-            // draw the selection only on the first column
-            Q3ListView* parent = listView();
-            const int itemWidth = width(parent->fontMetrics(), parent, 0);
-            if (isActive) {
-                KFileListViewItem::paintCell(painter, colorGroup, column, itemWidth, alignment);
-            }
-            else {
-                Q3ListViewItem::paintCell(painter, colorGroup, column, itemWidth, alignment);
-            }
-        }
-    }
-    else {
-        if (isActive) {
-            KFileListViewItem::paintCell(painter, colorGroup, column, cellWidth, alignment);
-        }
-        else {
-            Q3ListViewItem::paintCell(painter, colorGroup, column, cellWidth, alignment);
-        }
+    const int maxHeight = maximumViewportSize().height();
+    const int height = scrollbar->maximum() - scrollbar->minimum() + 1;
+    const int visibleHeight = model()->rowCount() + 1 - height;
+    if (visibleHeight <= 0) {
+        return QPoint(0, 0);
     }
 
     }
 
-    if (column < listView()->columns() - 1) {
-        // draw a separator between columns
-        painter->setPen(KGlobalSettings::buttonBackground());
-        painter->drawLine(cellWidth - 1, 0, cellWidth - 1, height() - 1);
-    }
+    const int y = scrollbar->sliderPosition() * maxHeight / visibleHeight;
+    return QPoint(0, y);
 }
 
 }
 
-void DolphinDetailsView::DolphinListViewItem::paintFocus(QPainter* painter,
-                                                         const QColorGroup& colorGroup,
-                                                         const QRect& rect)
+QRect DolphinDetailsView::elasticBandRect() const
 {
 {
-    // draw the focus consistently with the selection (see implementation notes
-    // in DolphinListViewItem::paintCell)
-    Q3ListView* parent = listView();
-    int visibleWidth = width(parent->fontMetrics(), parent, 0);
-    const int colWidth = parent->columnWidth(0);
-    if (visibleWidth > colWidth) {
-        visibleWidth = colWidth;
-    }
-
-    QRect focusRect(rect);
-    focusRect.setWidth(visibleWidth);
-
-    KFileListViewItem::paintFocus(painter, colorGroup, focusRect);
+    const QPoint pos(contentsPos());
+    const QPoint topLeft(m_elasticBandOrigin.x() - pos.x(), m_elasticBandOrigin.y() - pos.y());
+    return QRect(topLeft, m_elasticBandDestination).normalized();
 }
 
 }
 
-int DolphinDetailsView::filenameWidth(const Q3ListViewItem* item) const
+static bool isValidNameIndex(const QModelIndex& index)
 {
 {
-    assert(item != 0);
+    return index.isValid() && (index.column() == KDirModel::Name);
+}
 
 
-    int visibleWidth = item->width(fontMetrics(), this, 0);
-    const int colWidth = columnWidth(0);
-    if (visibleWidth > colWidth) {
-        visibleWidth = colWidth;
+void DolphinDetailsView::slotItemActivated(const QModelIndex& index)
+{
+    if (!isValidNameIndex(index)) {
+        clearSelection();
+        m_controller->emitItemEntered(index);
+    } else {
+        m_controller->triggerItem(index);
     }
     }
-
-    return visibleWidth;
 }
 }
+
 #include "dolphindetailsview.moc"
 #include "dolphindetailsview.moc"