prevent memory leak

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

diff --git a/src/generic/odcombo.cpp b/src/generic/odcombo.cpp
index d79d692b18799668d5af6e24e5e502ebef9ef92a..fa036b21e2964558b20a8e09c16d0bc7666de481 100644 (file)
--- a/src/generic/odcombo.cpp
+++ b/src/generic/odcombo.cpp
@@ -246,8 +246,14 @@ void wxVListBoxComboPopup::SendComboBoxEvent( int selection )
 // returns true if key was consumed
 bool wxVListBoxComboPopup::HandleKey( int keycode, bool saturate, wxChar unicode )
 {
+    const int itemCount = GetCount();
+
+    // keys do nothing in the empty control and returning immediately avoids
+    // using invalid indices below
+    if ( !itemCount )
+        return false;
+
     int value = m_value;
-    int itemCount = GetCount();
     int comboStyle = m_combo->GetWindowStyle();
 
     // this is the character equivalent of the code
@@ -1021,13 +1027,29 @@ int wxOwnerDrawnComboBox::DoInsertItems(const wxArrayStringsAdapter& items,
     EnsurePopupControl();
 
     const unsigned int count = items.GetCount();
-    for( unsigned int i = 0; i < count; ++i, ++pos )
+
+    if ( HasFlag(wxCB_SORT) )
     {
-        GetVListBoxComboPopup()->Insert(items[i], pos);
-        AssignNewItemClientData(pos, clientData, i, type);
+        int n = pos;
+
+        for ( unsigned int i = 0; i < count; ++i )
+        {
+            int n = GetVListBoxComboPopup()->Append(items[i]);
+            AssignNewItemClientData(n, clientData, i, type);
+        }
+
+        return n;
     }
+    else
+    {
+        for ( unsigned int i = 0; i < count; ++i, ++pos )
+        {
+            GetVListBoxComboPopup()->Insert(items[i], pos);
+            AssignNewItemClientData(pos, clientData, i, type);
+        }
 
-    return pos - 1;
+        return pos - 1;
+    }
 }
 
 void wxOwnerDrawnComboBox::DoSetItemClientData(unsigned int n, void* clientData)