wrap field in VclPtr

Change-Id: Ica765d313edaf45eefeee49b2c40b1b595fa9daf

sw/source/uibase/inc/workctrl.hxx

@@ -114,7 +114,7 @@ class SwScrollNaviPopup;
 
 class SwScrollNaviToolBox : public ToolBox
 {
-    SwScrollNaviPopup *m_pNaviPopup;
+    VclPtr<SwScrollNaviPopup> m_pNaviPopup;
 
     virtual void    MouseButtonUp( const MouseEvent& rMEvt ) SAL_OVERRIDE;
     virtual void    RequestHelp( const HelpEvent& rHEvt ) SAL_OVERRIDE;
@@ -125,6 +125,8 @@ public:
         , m_pNaviPopup(pNaviPopup)
     {
     }
+    virtual ~SwScrollNaviToolBox();
+    virtual void dispose() SAL_OVERRIDE;
 };
 
 class SwScrollNaviPopup : public SfxPopupWindow

sw/source/uibase/ribbar/workctrl.cxx

@@ -510,6 +510,17 @@ IMPL_LINK(SwScrollNaviPopup, SelectHdl, ToolBox*, pSet)
     return 0;
 }
 
+SwScrollNaviToolBox::~SwScrollNaviToolBox()
+{
+    disposeOnce();
+}
+
+void SwScrollNaviToolBox::dispose()
+{
+    m_pNaviPopup.disposeAndClear();
+    ToolBox::dispose();
+}
+
 void SwScrollNaviToolBox::MouseButtonUp( const MouseEvent& rMEvt )
 {
     ToolBox::MouseButtonUp(rMEvt);
@@ -522,7 +533,6 @@ void  SwScrollNaviToolBox::RequestHelp( const HelpEvent& rHEvt )
     SetItemText(NID_NEXT, SwScrollNaviPopup::GetQuickHelpText(true));
     SetItemText(NID_PREV, SwScrollNaviPopup::GetQuickHelpText(false));
     ToolBox::RequestHelp( rHEvt );
-
 }
 
 OUString SwScrollNaviPopup::GetQuickHelpText(bool bNext)