]> cloud.milkyroute.net Git - dolphin.git/blobdiff - src/dolphindetailsview.cpp
SVN_SILENT made messages (.desktop file)
[dolphin.git] / src / dolphindetailsview.cpp
index f4b8cd162855c34767dc873ea686ffd8274ccdc7..dc9f1095625a4b34c2d1cf2c774c3d5ab116a1a9 100644 (file)
@@ -55,6 +55,7 @@ DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* contr
     m_ignoreScrollTo(false),
     m_controller(controller),
     m_selectionManager(0),
+    m_autoScroller(0),
     m_font(),
     m_decorationSize(),
     m_band()
@@ -76,7 +77,7 @@ DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* contr
     setEditTriggers(QAbstractItemView::NoEditTriggers);
 
     setMouseTracking(true);
-    new DolphinViewAutoScroller(this);
+    m_autoScroller = new DolphinViewAutoScroller(this);
 
     const ViewProperties props(controller->url());
     setSortIndicatorSection(props.sorting());
@@ -209,7 +210,6 @@ void DolphinDetailsView::mousePressEvent(QMouseEvent* event)
             setState(QAbstractItemView::DraggingState);
         } else {
             m_expandingTogglePressed = true;
-            kDebug() << "m_expandingTogglePressed " << m_expandingTogglePressed;
         }
     }
 
@@ -236,9 +236,8 @@ void DolphinDetailsView::mousePressEvent(QMouseEvent* event)
             m_band.show = true;
             // Incremental update data will not be useful - start from scratch.
             m_band.ignoreOldInfo = true;
-            const QPoint pos = contentsPos();
             const QPoint scrollPos(horizontalScrollBar()->value(), verticalScrollBar()->value());
-            m_band.origin = event->pos() + pos + scrollPos;
+            m_band.origin = event->pos()  + scrollPos;
             m_band.destination = m_band.origin;
             m_band.originalSelection = selectionModel()->selection();
         }
@@ -424,6 +423,9 @@ void DolphinDetailsView::wheelEvent(QWheelEvent* event)
 void DolphinDetailsView::currentChanged(const QModelIndex& current, const QModelIndex& previous)
 {
     QTreeView::currentChanged(current, previous);
+    if (current.isValid() && !m_autoScroller->isActive()) {
+        scrollTo(current);
+    }
 
     // Stay consistent with QListView: When changing the current index by key presses,
     // also change the selection.
@@ -462,7 +464,6 @@ void DolphinDetailsView::setSelection(const QRect &rect, QItemSelectionModel::Se
         QTreeView::setSelection(rect, command);
         m_useDefaultIndexAt = false;
     } else {
-
         // Use our own elastic band selection algorithm
         updateElasticBandSelection();
     }
@@ -470,9 +471,9 @@ void DolphinDetailsView::setSelection(const QRect &rect, QItemSelectionModel::Se
 
 void DolphinDetailsView::scrollTo(const QModelIndex & index, ScrollHint hint)
 {
-    if (m_ignoreScrollTo)
-        return;
-    QTreeView::scrollTo(index, hint);
+    if (!m_ignoreScrollTo) {
+        QTreeView::scrollTo(index, hint);
+    }
 }
 
 void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
@@ -514,11 +515,12 @@ void DolphinDetailsView::updateElasticBand()
         m_band.destination = viewport()->mapFromGlobal(QCursor::pos()) + scrollPos;
         // Going above the (logical) top-left of the view causes complications during selection;
         // we may as well prevent it.
-        if (m_band.destination.y() < 0)
+        if (m_band.destination.y() < 0) {
             m_band.destination.setY(0);
-        if (m_band.destination.x() < 0)
+        }
+        if (m_band.destination.x() < 0) {
             m_band.destination.setX(0);
-
+        }
         dirtyRegion = dirtyRegion.united(elasticBandRect());
         setDirtyRegion(dirtyRegion);
     }
@@ -526,11 +528,10 @@ void DolphinDetailsView::updateElasticBand()
 
 QRect DolphinDetailsView::elasticBandRect() const
 {
-    const QPoint pos(contentsPos());
     const QPoint scrollPos(horizontalScrollBar()->value(), verticalScrollBar()->value());
 
-    const QPoint topLeft = m_band.origin - pos - scrollPos;
-    const QPoint bottomRight = m_band.destination - pos - scrollPos;
+    const QPoint topLeft = m_band.origin - scrollPos;
+    const QPoint bottomRight = m_band.destination - scrollPos;
     return QRect(topLeft, bottomRight).normalized();
 }
 
@@ -842,24 +843,6 @@ void DolphinDetailsView::updateDecorationSize(bool showPreview)
     doItemsLayout();
 }
 
-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);
-
-    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);
-    }
-
-    const int y = scrollbar->sliderPosition() * maxHeight / visibleHeight;
-    return QPoint(0, y);
-}
-
 KFileItemDelegate::Information DolphinDetailsView::infoForColumn(int columnIndex) const
 {
     KFileItemDelegate::Information info = KFileItemDelegate::NoInformation;
@@ -907,9 +890,26 @@ void DolphinDetailsView::resizeColumns()
 
     // resize the name column in a way that the whole available width is used
     columnWidth[KDirModel::Name] = viewport()->width() - requiredWidth;
-    if (columnWidth[KDirModel::Name] < 120) {
-        columnWidth[KDirModel::Name] = 120;
+
+    const int minNameWidth = 300;
+    if (columnWidth[KDirModel::Name] < minNameWidth) {
+        columnWidth[KDirModel::Name] = minNameWidth;
+
+        // It might be possible that the name column width can be
+        // decreased without clipping any text. For performance
+        // reasons the exact necessary width for full visible names is
+        // only checked for up to 200 items:
+        const int rowCount = model()->rowCount();
+        if (rowCount < 200) {
+            const int nameWidth = sizeHintForColumn(DolphinModel::Name);
+            if (nameWidth + requiredWidth <= viewport()->width()) {
+                columnWidth[KDirModel::Name] = viewport()->width() - requiredWidth;
+            } else if (nameWidth < minNameWidth) {
+                columnWidth[KDirModel::Name] = nameWidth;
+            }
+        }
     }
+
     headerView->resizeSection(KDirModel::Name, columnWidth[KDirModel::Name]);
 }