Merge remote-tracking branch 'origin/master' into frameworks

[dolphin.git] / src / kitemviews / kstandarditemlistview.cpp

diff --git a/src/kitemviews/kstandarditemlistview.cpp b/src/kitemviews/kstandarditemlistview.cpp
index bd5da9eb0c90e004f5d9968949c6f5f68d627a89..1c07d53278ea1f643e9b24f714e600e2e827cd08 100644 (file)
--- a/src/kitemviews/kstandarditemlistview.cpp
+++ b/src/kitemviews/kstandarditemlistview.cpp
@@ -22,6 +22,7 @@
 #include <KDebug>
 #include <KIconLoader>
 #include "kstandarditemlistwidget.h"
+#include "kstandarditemlistgroupheader.h"
 
 KStandardItemListView::KStandardItemListView(QGraphicsWidget* parent) :
     KItemListView(parent),
@@ -47,23 +48,8 @@ void KStandardItemListView::setItemLayout(ItemLayout layout)
     const ItemLayout previous = m_itemLayout;
     m_itemLayout = layout;
 
-    switch (layout) {
-    case IconsLayout:
-        setScrollOrientation(Qt::Vertical);
-        setSupportsItemExpanding(false);
-        break;
-    case DetailsLayout:
-        setScrollOrientation(Qt::Vertical);
-        setSupportsItemExpanding(true);
-        break;
-    case CompactLayout:
-        setScrollOrientation(Qt::Horizontal);
-        setSupportsItemExpanding(false);
-        break;
-    default:
-        Q_ASSERT(false);
-        break;
-    }
+    setSupportsItemExpanding(itemLayoutSupportsItemExpanding(layout));
+    setScrollOrientation(layout == CompactLayout ? Qt::Horizontal : Qt::Vertical);
 
     onItemLayoutChanged(layout, previous);
 
@@ -82,7 +68,7 @@ KItemListWidgetCreatorBase* KStandardItemListView::defaultWidgetCreator() const
 
 KItemListGroupHeaderCreatorBase* KStandardItemListView::defaultGroupHeaderCreator() const
 {
-    return 0; // TODO: new KItemListGroupHeaderCreator<KStandardItemListGroupHeader>()
+    return new KItemListGroupHeaderCreator<KStandardItemListGroupHeader>();
 }
 
 void KStandardItemListView::initializeItemListWidget(KItemListWidget* item)
@@ -103,17 +89,22 @@ void KStandardItemListView::initializeItemListWidget(KItemListWidget* item)
 
 bool KStandardItemListView::itemSizeHintUpdateRequired(const QSet<QByteArray>& changedRoles) const
 {
+    // The only thing that can modify the item's size hint is the amount of space
+    // needed to display the text for the visible roles.
     // Even if the icons have a different size they are always aligned within
     // the area defined by KItemStyleOption.iconSize and hence result in no
     // change of the item-size.
-    const bool containsIconName = changedRoles.contains("iconName");
-    const bool containsIconPixmap = changedRoles.contains("iconPixmap");
-    const int count = changedRoles.count();
-
-    const bool iconChanged = (containsIconName && containsIconPixmap && count == 2) ||
-                             (containsIconName && count == 1) ||
-                             (containsIconPixmap && count == 1);
-    return !iconChanged;
+    foreach (const QByteArray& role, visibleRoles()) {
+        if (changedRoles.contains(role)) {
+            return true;
+        }
+    }
+    return false;
+}
+
+bool KStandardItemListView::itemLayoutSupportsItemExpanding(ItemLayout layout) const
+{
+    return layout == DetailsLayout;
 }
 
 void KStandardItemListView::onItemLayoutChanged(ItemLayout current, ItemLayout previous)
@@ -140,9 +131,9 @@ void KStandardItemListView::onSupportsItemExpandingChanged(bool supportsExpandin
 void KStandardItemListView::polishEvent()
 {
     switch (m_itemLayout) {
-    case IconsLayout:   applyDefaultStyleOption(KIconLoader::SizeMedium, 2, 4, 8); break;
-    case CompactLayout: applyDefaultStyleOption(KIconLoader::SizeSmall,  2, 8, 0); break;
-    case DetailsLayout: applyDefaultStyleOption(KIconLoader::SizeSmall,  2, 0, 0); break;
+    case IconsLayout:   applyDefaultStyleOption(style()->pixelMetric(QStyle::PM_LargeIconSize), 2, 4, 8); break;
+    case CompactLayout: applyDefaultStyleOption(style()->pixelMetric(QStyle::PM_SmallIconSize),  2, 8, 0); break;
+    case DetailsLayout: applyDefaultStyleOption(style()->pixelMetric(QStyle::PM_SmallIconSize),  2, 0, 0); break;
     default:            Q_ASSERT(false); break;
     }
 
@@ -188,4 +179,3 @@ void KStandardItemListView::updateLayoutOfVisibleItems()
     }
 }
 
-#include "kstandarditemlistview.moc"