Ensure there is valid context for DrawRectangle

[wxWidgets.git] / src / generic / vlbox.cpp

diff --git a/src/generic/vlbox.cpp b/src/generic/vlbox.cpp
index aa68ea17127a36b5e5d0f88a0f84f273dd02eee1..a4be49817cd791da694ac7de3c39fa29d2092b86 100644 (file)
--- a/src/generic/vlbox.cpp
+++ b/src/generic/vlbox.cpp
@@ -249,7 +249,10 @@ bool wxVListBox::DoSetCurrent(int current)
         {
             // it is, indeed, only partly visible, so scroll it into view to
             // make it entirely visible
         {
             // it is, indeed, only partly visible, so scroll it into view to
             // make it entirely visible

+            // BUT scrolling down when m_current is first visible makes it
+            // completely hidden, so that is even worse

             while ( (size_t)m_current + 1 == GetVisibleRowsEnd() &&
             while ( (size_t)m_current + 1 == GetVisibleRowsEnd() &&

+                    (size_t)m_current != GetVisibleRowsBegin() &&

                     ScrollToRow(GetVisibleBegin() + 1) ) ;
 
             // but in any case refresh it as even if it was only partly visible
                     ScrollToRow(GetVisibleBegin() + 1) ) ;
 
             // but in any case refresh it as even if it was only partly visible