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[dolphin.git] / src / dolphindetailsview.cpp
index 68b288b0b96f2375e499e98315f61ce49c4904cc..11b9938499683105044cc000ae1b060174ddf715 100644 (file)
 #include "dolphinsettings.h"
 #include "dolphinsortfilterproxymodel.h"
 #include "draganddrophelper.h"
+#include "selectionmanager.h"
 #include "viewproperties.h"
 
 #include "dolphin_detailsmodesettings.h"
+#include "dolphin_generalsettings.h"
 
 #include <kdirmodel.h>
 #include <klocale.h>
 
 DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* controller) :
     QTreeView(parent),
+       m_autoResize(true),
     m_controller(controller),
     m_font(),
     m_decorationSize(),
-    m_clearAdditionalInfo(false),
     m_dragging(false),
     m_showElasticBand(false),
     m_elasticBandOrigin(),
     m_elasticBandDestination()
 {
+    const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+    Q_ASSERT(settings != 0);
     Q_ASSERT(controller != 0);
 
     setAcceptDrops(true);
-    setRootIsDecorated(false);
     setSortingEnabled(true);
     setUniformRowHeights(true);
     setSelectionBehavior(SelectItems);
     setDragDropMode(QAbstractItemView::DragDrop);
     setDropIndicatorShown(false);
     setAlternatingRowColors(true);
-    setItemsExpandable(false);
+    setRootIsDecorated(settings->expandableFolders());
+    setItemsExpandable(settings->expandableFolders());
 
     setMouseTracking(true);
     viewport()->setAttribute(Qt::WA_Hover);
@@ -77,6 +81,10 @@ DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* contr
     headerView->setContextMenuPolicy(Qt::CustomContextMenu);
     connect(headerView, SIGNAL(customContextMenuRequested(const QPoint&)),
             this, SLOT(configureColumns(const QPoint&)));
+    connect(headerView, SIGNAL(sectionResized(int, int, int)),
+            this, SLOT(slotHeaderSectionResized(int, int, int)));
+    connect(headerView, SIGNAL(sectionHandleDoubleClicked(int)),
+            this, SLOT(disableAutoResizing()));
 
     connect(parent, SIGNAL(sortingChanged(DolphinView::Sorting)),
             this, SLOT(setSortIndicatorSection(DolphinView::Sorting)));
@@ -89,10 +97,17 @@ DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* contr
     // RETURN-key in keyPressEvent().
     if (KGlobalSettings::singleClick()) {
         connect(this, SIGNAL(clicked(const QModelIndex&)),
-                this, SLOT(triggerItem(const QModelIndex&)));
+                controller, SLOT(triggerItem(const QModelIndex&)));
+        if (DolphinSettings::instance().generalSettings()->showSelectionToggle()) {
+            SelectionManager* selManager = new SelectionManager(this);
+            connect(selManager, SIGNAL(selectionChanged()),
+                    this, SLOT(requestActivation()));
+            connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
+                    selManager, SLOT(reset()));
+        }
     } else {
         connect(this, SIGNAL(doubleClicked(const QModelIndex&)),
-                this, SLOT(triggerItem(const QModelIndex&)));
+                controller, SLOT(triggerItem(const QModelIndex&)));
     }
     connect(this, SIGNAL(entered(const QModelIndex&)),
             this, SLOT(slotEntered(const QModelIndex&)));
@@ -102,27 +117,27 @@ DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* contr
             this, SLOT(zoomIn()));
     connect(controller, SIGNAL(zoomOut()),
             this, SLOT(zoomOut()));
-    connect(controller->dolphinView(), SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
+    connect(controller->dolphinView(), SIGNAL(additionalInfoChanged()),
             this, SLOT(updateColumnVisibility()));
 
-    // apply the details mode settings to the widget
-    const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
-    Q_ASSERT(settings != 0);
-
-    m_font = QFont(settings->fontFamily(), settings->fontSize());
+    if (settings->useSystemFont()) {
+        m_font = KGlobalSettings::generalFont();
+    } else {
+        m_font = QFont(settings->fontFamily(),
+                       settings->fontSize(),
+                       settings->fontWeight(),
+                       settings->italicFont());
+    }
 
-// TODO: Remove this check when 4.3.2 is released and KDE requires it... this
-//       check avoids a division by zero happening on versions before 4.3.1.
-//       Right now KDE in theory can be shipped with Qt 4.3.0 and above.
-//       ereslibre
-#if (QT_VERSION >= QT_VERSION_CHECK(4, 3, 2) || defined(QT_KDE_QT_COPY))
     setVerticalScrollMode(QTreeView::ScrollPerPixel);
     setHorizontalScrollMode(QTreeView::ScrollPerPixel);
-#endif
 
     updateDecorationSize();
 
     setFocus();
+
+    connect(KGlobalSettings::self(), SIGNAL(kdisplayFontChanged()),
+            this, SLOT(updateFont()));
 }
 
 DolphinDetailsView::~DolphinDetailsView()
@@ -140,19 +155,12 @@ bool DolphinDetailsView::event(QEvent* event)
 
         hideColumn(DolphinModel::Rating);
         hideColumn(DolphinModel::Tags);
-    }
-// TODO: Remove this check when 4.3.2 is released and KDE requires it... this
-//       check avoids a division by zero happening on versions before 4.3.1.
-//       Right now KDE in theory can be shipped with Qt 4.3.0 and above.
-//       ereslibre
-#if (QT_VERSION >= QT_VERSION_CHECK(4, 3, 2) || defined(QT_KDE_QT_COPY))
-    else if (event->type() == QEvent::UpdateRequest) {
+    } else if (event->type() == QEvent::UpdateRequest) {
         // a wheel movement will scroll 4 items
         if (model()->rowCount() > 0) {
             verticalScrollBar()->setSingleStep((sizeHintForRow(0) / 3) * 4);
         }
     }
-#endif
 
     return QTreeView::event(event);
 }
@@ -199,9 +207,33 @@ void DolphinDetailsView::mousePressEvent(QMouseEvent* event)
 
 void DolphinDetailsView::mouseMoveEvent(QMouseEvent* event)
 {
-    QTreeView::mouseMoveEvent(event);
     if (m_showElasticBand) {
+        const QPoint mousePos = event->pos();
+        const QModelIndex index = indexAt(mousePos);
+        if (!index.isValid()) {
+            // the destination of the selection rectangle is above the viewport. In this
+            // case QTreeView does no selection at all, which is not the wanted behavior
+            // in Dolphin -> select all items within the elastic band rectangle
+            clearSelection();
+
+            const int nameColumnWidth = header()->sectionSize(DolphinModel::Name);
+            QRect selRect = QRect(m_elasticBandOrigin, m_elasticBandDestination).normalized();
+            const QRect nameColumnsRect(0, 0, nameColumnWidth, viewport()->height());
+            selRect = nameColumnsRect.intersected(selRect);
+
+            setSelection(selRect, QItemSelectionModel::Select);
+        }
+
+        // TODO: enable QTreeView::mouseMoveEvent(event) again, as soon
+        // as the Qt-issue #199631 has been fixed.
+        // QTreeView::mouseMoveEvent(event);
+        QAbstractItemView::mouseMoveEvent(event);
         updateElasticBand();
+    } else {
+        // TODO: enable QTreeView::mouseMoveEvent(event) again, as soon
+        // as the Qt-issue #199631 has been fixed.
+        // QTreeView::mouseMoveEvent(event);
+        QAbstractItemView::mouseMoveEvent(event);
     }
 }
 
@@ -252,7 +284,7 @@ void DolphinDetailsView::dragMoveEvent(QDragMoveEvent* event)
         m_dragging = false;
     } else {
         m_dragging = true;
-        const KFileItem item = itemForIndex(index);
+        const KFileItem item = m_controller->itemForIndex(index);
         if (!item.isNull() && item.isDir()) {
             m_dropRect = visualRect(index);
         } else {
@@ -260,6 +292,11 @@ void DolphinDetailsView::dragMoveEvent(QDragMoveEvent* event)
         }
         setDirtyRegion(m_dropRect);
     }
+
+    if (event->mimeData()->hasUrls()) {
+        // accept url drops, independently from the destination item
+        event->acceptProposedAction();
+    }
 }
 
 void DolphinDetailsView::dropEvent(QDropEvent* event)
@@ -270,7 +307,7 @@ void DolphinDetailsView::dropEvent(QDropEvent* event)
         const QModelIndex index = indexAt(event->pos());
         KFileItem item;
         if (index.isValid() && (index.column() == DolphinModel::Name)) {
-            item = itemForIndex(index);
+            item = m_controller->itemForIndex(index);
         }
         m_controller->indicateDroppedUrls(urls,
                                           m_controller->url(),
@@ -302,50 +339,38 @@ void DolphinDetailsView::paintEvent(QPaintEvent* event)
     // TODO: remove this code when the issue #160611 is solved in Qt 4.4
     if (m_dragging) {
         const QBrush& brush = viewOptions().palette.brush(QPalette::Normal, QPalette::Highlight);
-        DragAndDropHelper::drawHoverIndication(viewport(), m_dropRect, brush);
+        DragAndDropHelper::drawHoverIndication(this, m_dropRect, brush);
     }
 }
 
 void DolphinDetailsView::keyPressEvent(QKeyEvent* event)
 {
     QTreeView::keyPressEvent(event);
-
-    const QItemSelectionModel* selModel = selectionModel();
-    const QModelIndex currentIndex = selModel->currentIndex();
-    const bool trigger = currentIndex.isValid()
-                         && (event->key() == Qt::Key_Return)
-                         && (selModel->selectedIndexes().count() <= 1);
-    if (trigger) {
-        triggerItem(currentIndex);
-    }
+    m_controller->handleKeyPressEvent(event);
 }
 
 void DolphinDetailsView::resizeEvent(QResizeEvent* event)
 {
-    QTreeView::resizeEvent(event);
-
-    // TODO: There seems to be no easy way to find out whether the resize event
-    // has been triggered because of resizing the window or by adjusting the column-width
-    // by a left mouse-click (the columns should only be resized automatically when the window
-    // size is adjusted). The following workaround works well, but it should be
-    // considered solving this in a more transparent way.
-    if (!(QApplication::mouseButtons() & Qt::LeftButton)) {
+    if (m_autoResize) {
         resizeColumns();
     }
+    QTreeView::resizeEvent(event);
 }
 
-void DolphinDetailsView::closeEvent(QCloseEvent* event)
+void DolphinDetailsView::wheelEvent(QWheelEvent* event)
 {
-    if (m_clearAdditionalInfo) {
-        disconnect(m_controller->dolphinView(), SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
-                this, SLOT(updateColumnVisibility()));
-
-        KFileItemDelegate::InformationList info;
-        info.append(KFileItemDelegate::NoInformation);
-        m_controller->indicateAdditionalInfoChange(info);
-        m_clearAdditionalInfo = false;
+    // let Ctrl+wheel events propagate to the DolphinView for icon zooming
+    if (event->modifiers() & Qt::ControlModifier) {
+        event->ignore();
+        return;
     }
-    QTreeView::closeEvent(event);
+    QTreeView::wheelEvent(event);
+}
+
+void DolphinDetailsView::currentChanged(const QModelIndex& current, const QModelIndex& previous)
+{
+    QTreeView::currentChanged(current, previous);
+    selectionModel()->select(current, QItemSelectionModel::ClearAndSelect);
 }
 
 void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
@@ -375,7 +400,7 @@ void DolphinDetailsView::slotEntered(const QModelIndex& index)
     const QPoint pos = viewport()->mapFromGlobal(QCursor::pos());
     const int nameColumnWidth = header()->sectionSize(DolphinModel::Name);
     if (pos.x() < nameColumnWidth) {
-        m_controller->emitItemEntered(itemForIndex(index));
+        m_controller->emitItemEntered(index);
     }
     else {
         m_controller->emitViewportEntered();
@@ -384,11 +409,12 @@ void DolphinDetailsView::slotEntered(const QModelIndex& index)
 
 void DolphinDetailsView::updateElasticBand()
 {
-    Q_ASSERT(m_showElasticBand);
-    QRect dirtyRegion(elasticBandRect());
-    m_elasticBandDestination = viewport()->mapFromGlobal(QCursor::pos());
-    dirtyRegion = dirtyRegion.united(elasticBandRect());
-    setDirtyRegion(dirtyRegion);
+    if (m_showElasticBand) {
+        QRect dirtyRegion(elasticBandRect());
+        m_elasticBandDestination = viewport()->mapFromGlobal(QCursor::pos());
+        dirtyRegion = dirtyRegion.united(elasticBandRect());
+        setDirtyRegion(dirtyRegion);
+    }
 }
 
 QRect DolphinDetailsView::elasticBandRect() const
@@ -424,17 +450,6 @@ void DolphinDetailsView::zoomOut()
     }
 }
 
-void DolphinDetailsView::triggerItem(const QModelIndex& index)
-{
-    const KFileItem item = itemForIndex(index);
-    if (index.isValid() && (index.column() == KDirModel::Name)) {
-        m_controller->triggerItem(item);
-    } else {
-        clearSelection();
-        m_controller->emitItemEntered(item);
-    }
-}
-
 void DolphinDetailsView::configureColumns(const QPoint& pos)
 {
     KMenu popup(this);
@@ -473,33 +488,48 @@ void DolphinDetailsView::configureColumns(const QPoint& pos)
 
 void DolphinDetailsView::updateColumnVisibility()
 {
-    KFileItemDelegate::InformationList list = m_controller->dolphinView()->additionalInfo();
-    const bool useDefaultColumns = !isVisible() &&
-                                   (list.isEmpty() ||
-                                    list.contains(KFileItemDelegate::NoInformation));
-    if (useDefaultColumns) {
-        // Using the details view without any additional information (-> additional column)
-        // makes no sense and leads to a usability problem as no viewport area is available
-        // anymore. Hence as fallback provide at least a size and date column.
-        list.clear();
-        list.append(KFileItemDelegate::Size);
-        list.append(KFileItemDelegate::ModificationTime);
-        m_controller->indicateAdditionalInfoChange(list);
-        m_clearAdditionalInfo = true;
-    }
-
+    const KFileItemDelegate::InformationList list = m_controller->dolphinView()->additionalInfo();
     for (int i = DolphinModel::Size; i <= DolphinModel::Type; ++i) {
         const KFileItemDelegate::Information info = infoForColumn(i);
         const bool hide = !list.contains(info);
         if (isColumnHidden(i) != hide) {
             setColumnHidden(i, hide);
-            m_clearAdditionalInfo = false;
         }
     }
 
     resizeColumns();
 }
 
+void DolphinDetailsView::slotHeaderSectionResized(int logicalIndex, int oldSize, int newSize)
+{
+    Q_UNUSED(logicalIndex);
+    Q_UNUSED(oldSize);
+    Q_UNUSED(newSize);
+    if (QApplication::mouseButtons() & Qt::LeftButton) {
+        disableAutoResizing();
+    }
+}
+
+void DolphinDetailsView::disableAutoResizing()
+{
+    m_autoResize = false;
+}
+
+void DolphinDetailsView::requestActivation()
+{
+    m_controller->requestActivation();
+}
+
+void DolphinDetailsView::updateFont()
+{
+    const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+    Q_ASSERT(settings != 0);
+
+    if (settings->useSystemFont()) {
+        m_font = KGlobalSettings::generalFont();
+    }
+}
+
 bool DolphinDetailsView::isZoomInPossible() const
 {
     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
@@ -516,6 +546,7 @@ void DolphinDetailsView::updateDecorationSize()
 {
     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
     const int iconSize = settings->iconSize();
+    setIconSize(QSize(iconSize, iconSize));
     m_decorationSize = QSize(iconSize, iconSize);
 
     m_controller->setZoomInPossible(isZoomInPossible());
@@ -542,14 +573,6 @@ QPoint DolphinDetailsView::contentsPos() const
     return QPoint(0, y);
 }
 
-KFileItem DolphinDetailsView::itemForIndex(const QModelIndex& index) const
-{
-    QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(model());
-    KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
-    const QModelIndex dirIndex = proxyModel->mapToSource(index);
-    return dirModel->itemForIndex(dirIndex);
-}
-
 KFileItemDelegate::Information DolphinDetailsView::infoForColumn(int columnIndex) const
 {
     KFileItemDelegate::Information info = KFileItemDelegate::NoInformation;