X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3c679789bdbc8b42b7b71828b0f02f97614ee574..858cde9dbf58d94f05b64f3fa3d7f88cec489e71:/src/generic/listctrl.cpp

diff --git a/src/generic/listctrl.cpp b/src/generic/listctrl.cpp
index d0a1bd2fcd..c64f7e4229 100644
--- a/src/generic/listctrl.cpp
+++ b/src/generic/listctrl.cpp
@@ -1424,6 +1424,14 @@ void wxListMainWindow::OnChar( wxKeyEvent &event )
     ke.SetEventObject( parent );
     if (parent->GetEventHandler()->ProcessEvent( ke )) return;
   
+    if (event.KeyCode() == WXK_TAB)
+    {
+        wxNavigationKeyEvent nevent;
+        nevent.SetDirection( !event.ShiftDown() );
+        nevent.SetCurrentFocus( m_parent );
+        if (m_parent->GetEventHandler()->ProcessEvent( nevent )) return;
+    }
+  
     /* no item -> nothing to do */
     if (!m_current)
     {
@@ -1781,7 +1789,7 @@ void wxListMainWindow::SetItemState( long item, long state, long stateMask )
             m_current = line;
             FocusLine( m_current );
             RefreshLine( m_current );
-            RefreshLine( oldCurrent );
+            if (oldCurrent) RefreshLine( oldCurrent );
         }
     }
 
@@ -1799,9 +1807,9 @@ void wxListMainWindow::SetItemState( long item, long state, long stateMask )
                 UnfocusLine( m_current );
                 m_current = line;
                 FocusLine( m_current );
-                oldCurrent->Hilight( FALSE );
+                if (oldCurrent) oldCurrent->Hilight( FALSE );
                 RefreshLine( m_current );
-                RefreshLine( oldCurrent );
+                if (oldCurrent) RefreshLine( oldCurrent );
             }
             bool on = state & wxLIST_STATE_SELECTED;
 	    if (on != line->IsHilighted())