* ctrl_tree.cpp: (un)folding of a playlist item is no triggered

by a simple click (was a double click before) which is more
natural

modules/gui/skins2/controls/ctrl_tree.cpp

@@ -395,6 +395,15 @@ void CtrlTree::handleEvent( EvtGeneric &rEvent )
         }
         else if( rEvent.getAsString().find( "mouse:left:down" ) !=
                  string::npos )
+        {
+            it = findItemAtPos(yPos);
+            if( it->size() && xPos > (it->depth() - 1) * itemImageWidth()
+                && xPos < it->depth() * itemImageWidth() )
+            {
+                // Fold/unfold the item
+                it->m_expanded = !it->m_expanded;
+            }
+            else
             {
                 // Unselect any previously selected item
                 for( it = m_rTree.begin(); it != m_rTree.end();
@@ -403,31 +412,24 @@ void CtrlTree::handleEvent( EvtGeneric &rEvent )
                     it->m_selected = false;
                 }
                 // Select the new item
-            it = findItemAtPos(yPos);
                 if( it != m_rTree.end() )
                 {
                     it->m_selected = true;
                     m_pLastSelected = &*it;
                 }
             }
+        }
 
         else if( rEvent.getAsString().find( "mouse:left:dblclick" ) !=
                  string::npos )
         {
             it = findItemAtPos(yPos);
             if( it != m_rTree.end() )
-            {
-                if( it->size() && xPos < it->depth() * itemImageWidth() )
-                {
-                    it->m_expanded = !it->m_expanded;
-                }
-                else
             {
                // Execute the action associated to this item
                m_rTree.action( &*it );
             }
         }
-        }
 
         // Redraw the control
         makeImage();

modules/gui/skins2/vars/playtree.cpp

@@ -88,8 +88,6 @@ void Playtree::action( VarTree *pItem )
 
 void Playtree::onChange()
 {
-    /* FIXME : updateTree could be a nice idea so we don't have to
-     * start from scratch each time the playlist changes */
     buildTree();
     notify();
 }