+ wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice control") );
+ wxCHECK_MSG( (pos>=0) && (pos<=GetCount()), -1, wxT("invalid index"));
+
+ if (pos == GetCount())
+ return DoAppend(item);
+
+ GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) );
+
+ // if the item to insert is at or before the selection, and the selection is valid
+ if ((pos <= m_selection_hack) && (m_selection_hack != wxNOT_FOUND))
+ {
+ // move the selection forward one
+ m_selection_hack++;
+ }
+
+ return GtkAddHelper(menu, pos, item);
+}
+
+void wxChoice::DoSetItemClientData( int n, void* clientData )
+{
+ wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") );
+
+ wxList::compatibility_iterator node = m_clientList.Item( n );
+ wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientData") );
+
+ node->SetData( (wxObject*) clientData );
+}
+
+void* wxChoice::DoGetItemClientData( int n ) const
+{
+ wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid choice control") );
+
+ wxList::compatibility_iterator node = m_clientList.Item( n );
+ wxCHECK_MSG( node, NULL, wxT("invalid index in wxChoice::DoGetItemClientData") );
+
+ return node->GetData();
+}
+
+void wxChoice::DoSetItemClientObject( int n, wxClientData* clientData )
+{
+ wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") );
+
+ wxList::compatibility_iterator node = m_clientList.Item( n );
+ wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientObject") );
+
+ // wxItemContainer already deletes data for us
+
+ node->SetData( (wxObject*) clientData );
+}
+
+wxClientData* wxChoice::DoGetItemClientObject( int n ) const
+{
+ wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid choice control") );
+
+ wxList::compatibility_iterator node = m_clientList.Item( n );
+ wxCHECK_MSG( node, (wxClientData *)NULL,
+ wxT("invalid index in wxChoice::DoGetItemClientObject") );
+
+ return (wxClientData*) node->GetData();
+}
+
+void wxChoice::Clear()
+{
+ wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
+
+ gtk_option_menu_remove_menu( GTK_OPTION_MENU(m_widget) );
+ GtkWidget *menu = gtk_menu_new();
+ gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
+
+ if ( HasClientObjectData() )
+ {
+ // destroy the data (due to Robert's idea of using wxList<wxObject>
+ // and not wxList<wxClientData> we can't just say
+ // m_clientList.DeleteContents(TRUE) - this would crash!
+ wxList::compatibility_iterator node = m_clientList.GetFirst();
+ while ( node )
+ {
+ delete (wxClientData *)node->GetData();
+ node = node->GetNext();
+ }
+ }
+ m_clientList.Clear();
+
+ if ( m_strings )
+ m_strings->Clear();
+
+ // begin with no selection
+ m_selection_hack = wxNOT_FOUND;
+}
+
+void wxChoice::Delete( int n )
+{
+ wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
+
+ // 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
+ int i,
+ count = GetCount();
+
+ wxCHECK_RET( n >= 0 && n < count, _T("invalid index in wxChoice::Delete") );
+
+ // if the item to delete is before the selection, and the selection is valid
+ if ((n < m_selection_hack) && (m_selection_hack != wxNOT_FOUND))
+ {
+ // move the selection back one
+ m_selection_hack--;
+ }
+ else if (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();
+
+ for ( i = 0; i < count - 1; i++ )
+ {
+ Append(items[i]);
+
+ if ( hasObjectData )
+ SetClientObject(i, (wxClientData *)itemsData[i]);
+ else if ( hasClientData )
+ SetClientData(i, itemsData[i]);
+ }
projects / wxWidgets.git / blobdiff