Do not move nCurUndoAction < 0.

(Could easily happen when max undo steps is set to 1.)

Do not move nCurUndoAction < 0.
(Could easily happen when max undo steps is set to 1.)
db59e448 · Stephan Bergmann · 4603028b · db59e448
Kaydet (Commit) db59e448 authored Ock 27, 2012 tarafından Stephan Bergmann
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Showing with 4 additions and 1 deletion

undo.cxx svl/source/undo/undo.cxx +4 -1

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--- a/svl/source/undo/undo.cxx
+++ b/svl/source/undo/undo.cxx
@@ -654,7 +654,10 @@ bool SfxUndoManager::ImplAddUndoAction_NoNotify( SfxUndoAction *pAction, bool bT
        {
            i_guard.markForDeletion( m_pData->pActUndoArray->aUndoActions[0].pAction );
            m_pData->pActUndoArray->aUndoActions.Remove(0);
-            --m_pData->pActUndoArray->nCurUndoAction;
+            if (m_pData->pActUndoArray->nCurUndoAction > 0)
+            {
+                --m_pData->pActUndoArray->nCurUndoAction;
+            }
        }
    }