- m_strings->Clear();
-
- // begin with no selection
- m_selection_hack = wxNOT_FOUND;
-}
-
-void wxChoice::Delete(unsigned int n)
-{
- wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
- wxCHECK_RET( IsValid(n), _T("invalid index in wxChoice::Delete") );
-
- // VZ: apparently GTK+ doesn't have a built-in function to do it (not even
- // in 2.0), hence this dumb implementation -- still better than nothing
- unsigned int i;
- const unsigned int count = GetCount();
-
- // if the item to delete is before the selection, and the selection is valid
- if (((int)n < m_selection_hack) && (m_selection_hack != wxNOT_FOUND))
- {
- // move the selection back one
- m_selection_hack--;
- }
- else if ((int)n == m_selection_hack)
- {
- // invalidate the selection
- m_selection_hack = wxNOT_FOUND;
- }
-
- const bool hasClientData = m_clientDataItemsType != wxClientData_None;
- const bool hasObjectData = m_clientDataItemsType == wxClientData_Object;
-
- wxList::compatibility_iterator node = m_clientList.GetFirst();
-
- wxArrayString items;
- wxArrayPtrVoid itemsData;
- items.Alloc(count);
- for ( i = 0; i < count; i++ )
- {
- if ( i != n )
- {
- items.Add(GetString(i));
- if ( hasClientData )
- {
- // also save the client data
- itemsData.Add(node->GetData());
- }
- }
- else // need to delete the client object too
- {
- if ( hasObjectData )
- {
- delete (wxClientData *)node->GetData();
- }
- }
-
- if ( hasClientData )
- {
- node = node->GetNext();
- }
- }
-
- if ( hasObjectData )
- {
- // prevent Clear() from destroying all client data
- m_clientDataItemsType = wxClientData_None;
- }
-
- Clear();