Audit LoseFocus - basctl, cui, dbaccess.

Change-Id: If61b45f28f30e3ab00dbf071198233d59899d719

cui/source/dialogs/hangulhanjadlg.cxx

@@ -420,6 +420,11 @@ namespace svx
             implUpdateDisplay();
     }
 
+    bool SuggestionDisplay::hasCurrentControl()
+    {
+        return m_bDisplayListBox || m_aValueSet;
+    }
+
     Control& SuggestionDisplay::implGetCurrentControl()
     {
         if( m_bDisplayListBox )
@@ -445,11 +450,17 @@ namespace svx
     }
     void SuggestionDisplay::GetFocus()
     {
-        implGetCurrentControl().GetFocus();
+        if (hasCurrentControl())
+            implGetCurrentControl().GetFocus();
+        else
+            Control::LoseFocus();
     }
     void SuggestionDisplay::LoseFocus()
     {
-        implGetCurrentControl().LoseFocus();
+        if (hasCurrentControl())
+            implGetCurrentControl().LoseFocus();
+        else
+            Control::LoseFocus();
     }
     void SuggestionDisplay::Command( const CommandEvent& rCEvt )
     {

cui/source/inc/hangulhanjadlg.hxx

@@ -85,6 +85,7 @@ namespace svx
 
     private:
         void implUpdateDisplay();
+        bool hasCurrentControl();
         Control& implGetCurrentControl();
 
     private:

dbaccess/source/ui/control/FieldDescControl.cxx

@@ -1594,7 +1594,6 @@ void OFieldDescControl::implFocusLost(vcl::Window* _pWhich)
 
 void OFieldDescControl::LoseFocus()
 {
-
     implFocusLost(NULL);
 
     TabPage::LoseFocus();

dbaccess/source/ui/querydesign/TableWindowTitle.cxx

@@ -68,11 +68,16 @@ void OTableWindowTitle::GetFocus()
 {
     if(m_pTabWin)
         m_pTabWin->GetFocus();
+    else
+        FixedText::GetFocus();
 }
 
 void OTableWindowTitle::LoseFocus()
 {
-    m_pTabWin->LoseFocus();
+    if (m_pTabWin)
+        m_pTabWin->LoseFocus();
+    else
+        FixedText::LoseFocus();
 }
 
 void OTableWindowTitle::RequestHelp( const HelpEvent& rHEvt )

dbaccess/source/ui/tabledesign/FieldDescGenWin.cxx

@@ -106,7 +106,8 @@ void OFieldDescGenWin::GetFocus()
 
 void OFieldDescGenWin::LoseFocus()
 {
-    m_pFieldControl->LoseFocus();
+    if (m_pFieldControl)
+        m_pFieldControl->LoseFocus();
     TabPage::LoseFocus();
 }
 

svtools/source/contnr/treelistbox.cxx

@@ -2832,7 +2832,7 @@ SvTreeListEntry* SvTreeListBox::GetEntry( const Point& rPos, bool bHit ) const
 
 SvTreeListEntry* SvTreeListBox::GetCurEntry() const
 {
-    return pImp->GetCurEntry();
+    return pImp ? pImp->GetCurEntry() : NULL;
 }
 
 void SvTreeListBox::ImplInitStyle()