coding style nit-picking

[dolphin.git] / src / sidebartreeview.cpp

diff --git a/src/sidebartreeview.cpp b/src/sidebartreeview.cpp
index caf1314c688ba5bfaf7c248189d022c9f086ef32..52f207a78f6d9a9cda286b9b68d01e31a8b8714f 100644 (file)
--- a/src/sidebartreeview.cpp
+++ b/src/sidebartreeview.cpp
@@ -26,6 +26,7 @@
 #include <QKeyEvent>
 #include <QPainter>
 #include <QHeaderView>
+#include <QScrollBar>
 
 SidebarTreeView::SidebarTreeView(QWidget* parent) :
     QTreeView(parent),
@@ -40,8 +41,8 @@ SidebarTreeView::SidebarTreeView(QWidget* parent) :
     setDragDropMode(QAbstractItemView::DragDrop);
     setDropIndicatorShown(false);
     setAutoExpandDelay(300);
-    setHorizontalScrollMode(QAbstractItemView::ScrollPerPixel);
-    setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
+    setVerticalScrollMode(QListView::ScrollPerPixel);
+    setHorizontalScrollMode(QListView::ScrollPerPixel);
 
     viewport()->setAttribute(Qt::WA_Hover);
 
@@ -71,6 +72,12 @@ bool SidebarTreeView::event(QEvent* event)
         hideColumn(DolphinModel::Tags);
         header()->hide();
     }
+    else if (event->type() == QEvent::UpdateRequest) {
+        // a wheel movement will scroll 1 item
+        if (model()->rowCount() > 0) {
+            verticalScrollBar()->setSingleStep(sizeHintForRow(0) / 3);
+        }
+    }
 
     return QTreeView::event(event);
 }