reactivate ScrollPerPixel again, as the Qt-patch for "divide by zero" has been applie...

[dolphin.git] / src / dolphinview.cpp

diff --git a/src/dolphinview.cpp b/src/dolphinview.cpp
index dc8c8dd87bdefab011cd430c8e645886ff3fb32e..8b36e4ec3c45b6e6c472c96ed2471c2bfe50f6db 100644 (file)
--- a/src/dolphinview.cpp
+++ b/src/dolphinview.cpp
@@ -51,7 +51,6 @@
 #include "viewproperties.h"
 #include "dolphinsettings.h"
 #include "dolphin_generalsettings.h"
-#include "dolphincategorydrawer.h"
 
 DolphinView::DolphinView(QWidget* parent,
                          const KUrl& url,
@@ -169,6 +168,17 @@ void DolphinView::setMode(Mode mode)
     props.setViewMode(m_mode);
 
     createView();
+
+    // Not all view modes support categorized sorting. Adjust the sorting model
+    // if changing the view mode results in a change of the categorized sorting
+    // capabilities.
+    const bool categorized = props.categorizedSorting() && supportsCategorizedSorting();
+    if (categorized != categorizedSorting()) {
+        m_proxyModel->setCategorizedModel(categorized);
+        m_proxyModel->sort(m_proxyModel->sortColumn(), m_proxyModel->sortOrder());
+        emit categorizedSortingChanged();
+    }
+
     startDirLister(viewPropsUrl);
 
     emit modeChanged();
@@ -219,11 +229,13 @@ bool DolphinView::showHiddenFiles() const
 
 void DolphinView::setCategorizedSorting(bool categorized)
 {
-    if (!supportsCategorizedSorting() || (categorized == categorizedSorting())) {
+    if (categorized == categorizedSorting()) {
         return;
     }
 
-    Q_ASSERT(m_iconsView != 0);
+    // setCategorizedSorting(true) may only get invoked
+    // if the view supports categorized sorting
+    Q_ASSERT(!categorized || supportsCategorizedSorting());
 
     ViewProperties props(viewPropertiesUrl());
     props.setCategorizedSorting(categorized);
@@ -252,15 +264,24 @@ void DolphinView::selectAll()
 
 void DolphinView::invertSelection()
 {
-    QItemSelectionModel* selectionModel = itemView()->selectionModel();
-    const QAbstractItemModel* itemModel = selectionModel->model();
+    if (isColumnViewActive()) {
+        // QAbstractItemView does not offer a virtual method invertSelection()
+        // as counterpart to QAbstractItemView::selectAll(). This makes it
+        // necessary to delegate the inverting of the selection to the
+        // column view, as only the selection of the active column should get
+        // inverted.
+        m_columnView->invertSelection();
+    } else {
+        QItemSelectionModel* selectionModel = itemView()->selectionModel();
+        const QAbstractItemModel* itemModel = selectionModel->model();
 
-    const QModelIndex topLeft = itemModel->index(0, 0);
-    const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
-                                                     itemModel->columnCount() - 1);
+        const QModelIndex topLeft = itemModel->index(0, 0);
+        const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
+                                                         itemModel->columnCount() - 1);
 
-    QItemSelection selection(topLeft, bottomRight);
-    selectionModel->select(selection, QItemSelectionModel::Toggle);
+        const QItemSelection selection(topLeft, bottomRight);
+        selectionModel->select(selection, QItemSelectionModel::Toggle);
+    }
 }
 
 bool DolphinView::hasSelection() const
@@ -597,9 +618,10 @@ void DolphinView::applyViewProperties(const KUrl& url)
         emit showHiddenFilesChanged();
     }
 
-    const bool categorized = props.categorizedSorting();
+    const bool categorized = props.categorizedSorting() && supportsCategorizedSorting();
     if (categorized != categorizedSorting()) {
         m_proxyModel->setCategorizedModel(categorized);
+        m_proxyModel->sort(m_proxyModel->sortColumn(), m_proxyModel->sortOrder());
         emit categorizedSortingChanged();
     }
 
@@ -785,11 +807,11 @@ void DolphinView::createView()
 
     // ... and recreate it representing the current mode
     switch (m_mode) {
-    case IconsView:
+    case IconsView: {
         m_iconsView = new DolphinIconsView(this, m_controller);
-        m_iconsView->setCategoryDrawer(new DolphinCategoryDrawer());
         view = m_iconsView;
         break;
+    }
 
     case DetailsView:
         m_detailsView = new DolphinDetailsView(this, m_controller);