]> cloud.milkyroute.net Git - dolphin.git/blobdiff - src/dolphindetailsview.cpp
Respect floating point font sizes
[dolphin.git] / src / dolphindetailsview.cpp
index 3dca2da28eb0762b3df8dfcd3d06f7cb0a110f3e..8292db8aa265676027f629cbdf6d3c2b60eaf5eb 100644 (file)
@@ -57,6 +57,7 @@ DolphinDetailsView::DolphinDetailsView(QWidget* parent,
     m_controller(controller),
     m_extensionsFactory(0),
     m_expandableFoldersAction(0),
+    m_expandedUrls(),
     m_font(),
     m_decorationSize(),
     m_band()
@@ -125,9 +126,10 @@ DolphinDetailsView::DolphinDetailsView(QWidget* parent,
         m_font = KGlobalSettings::generalFont();
     } else {
         m_font = QFont(settings->fontFamily(),
-                       settings->fontSize(),
+                       qRound(settings->fontSize()),
                        settings->fontWeight(),
                        settings->italicFont());
+        m_font.setPointSizeF(settings->fontSize());
     }
 
     setVerticalScrollMode(QTreeView::ScrollPerPixel);
@@ -151,6 +153,9 @@ DolphinDetailsView::DolphinDetailsView(QWidget* parent,
     connect(m_expandableFoldersAction, SIGNAL(toggled(bool)),
             this, SLOT(setFoldersExpandable(bool)));
 
+    connect(this, SIGNAL(expanded(const QModelIndex&)), this, SLOT(slotExpanded(const QModelIndex&)));
+    connect(this, SIGNAL(collapsed(const QModelIndex&)), this, SLOT(slotCollapsed(const QModelIndex&)));
+
     updateDecorationSize(view->showPreview());
 
     m_extensionsFactory = new ViewExtensionsFactory(this, controller);
@@ -162,11 +167,43 @@ DolphinDetailsView::~DolphinDetailsView()
 {
 }
 
+QSet<KUrl> DolphinDetailsView::expandedUrls() const
+{
+    return m_expandedUrls;
+}
+
+QRegion DolphinDetailsView::visualRegionForSelection(const QItemSelection& selection) const
+{
+    // We have to make sure that the visualRect of each model index is inside the region.
+    // QTreeView::visualRegionForSelection does not do it right because it assumes implicitly
+    // that all visualRects have the same width, which is in general not the case here.
+    QRegion selectionRegion;
+    const QModelIndexList indexes = selection.indexes();
+
+    foreach(const QModelIndex& index, indexes) {
+        selectionRegion += visualRect(index);
+    }
+
+    return selectionRegion;
+}
+
 bool DolphinDetailsView::event(QEvent* event)
 {
-    if (event->type() == QEvent::Polish) {
+    switch (event->type()) {
+    case QEvent::Polish:
         header()->setResizeMode(QHeaderView::Interactive);
         updateColumnVisibility();
+        break;
+
+    case QEvent::FocusOut:
+        // If a key-press triggers an action that e. g. opens a dialog, the
+        // widget gets no key-release event. Assure that the pressed state
+        // is reset to prevent accidently setting the current index during a selection.
+        m_keyPressed = false;
+        break;
+
+    default:
+        break;
     }
 
     return QTreeView::event(event);
@@ -176,6 +213,7 @@ QStyleOptionViewItem DolphinDetailsView::viewOptions() const
 {
     QStyleOptionViewItem viewOptions = QTreeView::viewOptions();
     viewOptions.font = m_font;
+    viewOptions.fontMetrics = QFontMetrics(m_font);
     viewOptions.showDecorationSelected = true;
     viewOptions.decorationSize = m_decorationSize;
     return viewOptions;
@@ -401,14 +439,7 @@ void DolphinDetailsView::resizeEvent(QResizeEvent* event)
 
 void DolphinDetailsView::wheelEvent(QWheelEvent* event)
 {
-    // let Ctrl+wheel events propagate to the DolphinView for icon zooming
-    if (event->modifiers() & Qt::ControlModifier) {
-        event->ignore();
-        return;
-    }
-
-    const int height = m_decorationSize.height();
-    const int step = (height >= KIconLoader::SizeHuge) ? height / 10 : (KIconLoader::SizeHuge - height) / 2;
+    const int step = m_decorationSize.height();
     verticalScrollBar()->setSingleStep(step);
     QTreeView::wheelEvent(event);
 }
@@ -442,10 +473,22 @@ QModelIndex DolphinDetailsView::indexAt(const QPoint& point) const
     // the blank portion of the name column counts as empty space
     const QModelIndex index = QTreeView::indexAt(point);
     const bool isAboveEmptySpace  = !m_useDefaultIndexAt &&
-                                    (index.column() == KDirModel::Name) && !nameColumnRect(index).contains(point);
+                                    (index.column() == KDirModel::Name) && !visualRect(index).contains(point);
     return isAboveEmptySpace ? QModelIndex() : index;
 }
 
+QRect DolphinDetailsView::visualRect(const QModelIndex& index) const
+{
+    QRect rect = QTreeView::visualRect(index);
+    const KFileItem item = m_controller->itemForIndex(index);
+    if (!item.isNull()) {
+        const int width = DolphinFileItemDelegate::nameColumnWidth(item.text(), viewOptions());
+        rect.setWidth(width);
+    }
+
+    return rect;
+}
+
 void DolphinDetailsView::setSelection(const QRect& rect, QItemSelectionModel::SelectionFlags command)
 {
     // We must override setSelection() as Qt calls it internally and when this happens
@@ -735,8 +778,7 @@ void DolphinDetailsView::updateElasticBandSelection()
                 return;
             }
         }
-    }
-    else {
+    } else {
         // This is the only piece of optimization data that needs to be explicitly
         // discarded.
         m_band.lastSelectionOrigin = QPoint();
@@ -788,7 +830,7 @@ void DolphinDetailsView::updateElasticBandSelection()
    QModelIndex toggleIndexRangeBegin = QModelIndex();
 
    do {
-       QRect currIndexRect = nameColumnRect(currIndex);
+       QRect currIndexRect = visualRect(currIndex);
 
         // Update some optimization info as we go.
        const int cr = currIndexRect.right();
@@ -850,6 +892,7 @@ void DolphinDetailsView::updateElasticBandSelection()
        currIndex = nextIndex;
     } while (!allItemsInBoundDone);
 
+
     selectionModel()->select(itemsToToggle, QItemSelectionModel::Toggle);
 
     m_band.lastSelectionOrigin = m_band.origin;
@@ -873,6 +916,43 @@ void DolphinDetailsView::setFoldersExpandable(bool expandable)
     setItemsExpandable(expandable);
 }
 
+void DolphinDetailsView::slotExpanded(const QModelIndex& index)
+{
+    KFileItem item = m_controller->itemForIndex(index);
+    if (!item.isNull()) {
+        m_expandedUrls.insert(item.url());
+    }
+}
+
+void DolphinDetailsView::slotCollapsed(const QModelIndex& index)
+{
+    KFileItem item = m_controller->itemForIndex(index);
+    if (!item.isNull()) {
+        m_expandedUrls.remove(item.url());
+    }
+}
+
+void DolphinDetailsView::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end)
+{
+    removeExpandedIndexes(parent, start, end);
+    QTreeView::rowsAboutToBeRemoved(parent, start, end);
+}
+
+void DolphinDetailsView::removeExpandedIndexes(const QModelIndex& parent, int start, int end)
+{
+    if (m_expandedUrls.isEmpty()) {
+        return;
+    }
+
+    for (int row = start; row <= end; row++) {
+        const QModelIndex index = model()->index(row, 0, parent);
+        if (isExpanded(index)) {
+            slotCollapsed(index);
+            removeExpandedIndexes(index, 0, model()->rowCount(index) - 1);
+        }
+    }
+}
+
 void DolphinDetailsView::updateDecorationSize(bool showPreview)
 {
     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
@@ -954,18 +1034,6 @@ void DolphinDetailsView::resizeColumns()
     headerView->resizeSection(KDirModel::Name, columnWidth[KDirModel::Name]);
 }
 
-QRect DolphinDetailsView::nameColumnRect(const QModelIndex& index) const
-{
-    QRect rect = visualRect(index);
-    const KFileItem item = m_controller->itemForIndex(index);
-    if (!item.isNull()) {
-        const int width = DolphinFileItemDelegate::nameColumnWidth(item.text(), viewOptions());
-        rect.setWidth(width);
-    }
-
-    return rect;
-}
-
 bool DolphinDetailsView::isAboveExpandingToggle(const QPoint& pos) const
 {
     // QTreeView offers no public API to get the information whether an index has an
@@ -974,7 +1042,7 @@ bool DolphinDetailsView::isAboveExpandingToggle(const QPoint& pos) const
     if (itemsExpandable()) {
         const QModelIndex index = QTreeView::indexAt(pos);
         if (index.isValid() && (index.column() == KDirModel::Name)) {
-            QRect rect = nameColumnRect(index);
+            QRect rect = visualRect(index);
             const int toggleSize = rect.height();
             if (isRightToLeft()) {
                 rect.moveRight(rect.right());