Treeview fixes (backport):

[dolphin.git] / src / dolphindetailsview.cpp

diff --git a/src/dolphindetailsview.cpp b/src/dolphindetailsview.cpp
index 63d90142fbccfd35cc914e55c4bae2cc3454efe2..4fdb76e1a777785690be48b194dcf027a88a73b7 100644 (file)
--- a/src/dolphindetailsview.cpp
+++ b/src/dolphindetailsview.cpp
@@ -44,7 +44,8 @@
 DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* controller) :
     QTreeView(parent),
     m_controller(controller),
-    m_clearAdditionalInfo(false),
+    m_font(),
+    m_decorationSize(),
     m_dragging(false),
     m_showElasticBand(false),
     m_elasticBandOrigin(),
@@ -60,6 +61,7 @@ DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* contr
     setDragDropMode(QAbstractItemView::DragDrop);
     setDropIndicatorShown(false);
     setAlternatingRowColors(true);
+    setItemsExpandable(false);
 
     setMouseTracking(true);
     viewport()->setAttribute(Qt::WA_Hover);
@@ -106,13 +108,7 @@ DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* contr
     const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
     Q_ASSERT(settings != 0);
 
-    m_viewOptions = QTreeView::viewOptions();
-
-    QFont font(settings->fontFamily(), settings->fontSize());
-    font.setItalic(settings->italicFont());
-    font.setBold(settings->boldFont());
-    m_viewOptions.font = font;
-    m_viewOptions.showDecorationSelected = true;
+    m_font = QFont(settings->fontFamily(), settings->fontSize());
 
 // 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.
@@ -162,7 +158,11 @@ bool DolphinDetailsView::event(QEvent* event)
 
 QStyleOptionViewItem DolphinDetailsView::viewOptions() const
 {
-    return m_viewOptions;
+    QStyleOptionViewItem viewOptions = QTreeView::viewOptions();
+    viewOptions.font = m_font;
+    viewOptions.showDecorationSelected = true;
+    viewOptions.decorationSize = m_decorationSize;
+    return viewOptions;
 }
 
 void DolphinDetailsView::contextMenuEvent(QContextMenuEvent* event)
@@ -198,9 +198,27 @@ 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);
+        }
+
+        QTreeView::mouseMoveEvent(event);
         updateElasticBand();
+    } else {
+        QTreeView::mouseMoveEvent(event);
     }
 }
 
@@ -259,6 +277,11 @@ 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)
@@ -300,8 +323,8 @@ 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 = m_viewOptions.palette.brush(QPalette::Normal, QPalette::Highlight);
-        DragAndDropHelper::drawHoverIndication(viewport(), m_dropRect, brush);
+        const QBrush& brush = viewOptions().palette.brush(QPalette::Normal, QPalette::Highlight);
+        DragAndDropHelper::drawHoverIndication(this, m_dropRect, brush);
     }
 }
 
@@ -333,20 +356,6 @@ void DolphinDetailsView::resizeEvent(QResizeEvent* event)
     }
 }
 
-void DolphinDetailsView::closeEvent(QCloseEvent* 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;
-    }
-    QTreeView::closeEvent(event);
-}
-
 void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
 {
     QHeaderView* headerView = header();
@@ -383,11 +392,12 @@ 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
@@ -472,27 +482,12 @@ 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;
         }
     }
 
@@ -515,7 +510,7 @@ void DolphinDetailsView::updateDecorationSize()
 {
     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
     const int iconSize = settings->iconSize();
-    m_viewOptions.decorationSize = QSize(iconSize, iconSize);
+    m_decorationSize = QSize(iconSize, iconSize);
 
     m_controller->setZoomInPossible(isZoomInPossible());
     m_controller->setZoomOutPossible(isZoomOutPossible());