bugfix 2576,2571,2641

src/gui/FWWindowPrint.cpp

@@ -274,7 +274,8 @@ void printFirewall(FWObject *fw,
                    bool newPageForSection,
                    ProjectPanel *project)
 {
-
+    if (Firewall::cast(fw)==NULL)
+        return ;
     list<pixmapOrText> listPT;
 
     QString txt;

src/gui/ObjectListView.cpp

@@ -67,6 +67,8 @@ ObjectListView::ObjectListView(QWidget* parent, const char*,
     setItemMargin( 2 );*/
     setFocusPolicy( Qt::StrongFocus  );
     setFocus();
+    header()->setClickable(true);
+    connect (header (),SIGNAL(sectionClicked (int)),this,SLOT(sectionClicked (int)));
 }
 
 bool ObjectListView::event ( QEvent * event )
@@ -191,4 +193,7 @@ void ObjectListView::mouseMoveEvent ( QMouseEvent * event )
     QTreeWidget::mouseMoveEvent(event);
 }
 
-
+void ObjectListView::sectionClicked ( int logicalIndex ) 
+{
+    sortByColumn ( logicalIndex, Qt::AscendingOrder );
+}

src/gui/ObjectListView.h

@@ -54,7 +54,8 @@ class ObjectListView : public QTreeWidget {
  public:
 
     ObjectListView(QWidget* parent = 0, const char * name = 0, Qt::WindowFlags f = 0);
-
+ public slots:
+    void sectionClicked ( int logicalIndex ) ;
  signals:
 
     void delObject_sign();

src/gui/RuleSetView.cpp

@@ -1646,7 +1646,7 @@ void RuleSetView::paintCell(QPainter *pntr,
                 p.setPen( cg.highlightedText().color() );
             } else
             {
-                p.fillRect(rect, cg.brush( QPalette::Base )); // crole
+                p.fillRect(rect, cg.brush( QPalette::Mid )); // crole
                 p.setPen( cg.text().color() );
             }
         } else