- /* search backward for last group start */
- wxRadioButton *chief = (wxRadioButton*) NULL;
- wxWindowList::Node *node = parent->GetChildren().GetLast();
- while (node)
- {
- wxWindow *child = node->GetData();
- if (child->m_isRadioButton)
- {
- chief = (wxRadioButton*) child;
- if (child->HasFlag(wxRB_GROUP)) break;
- }
- if (chief)
- {
- /* we are part of the group started by chief */
- m_radioButtonGroup = gtk_radio_button_group( GTK_RADIO_BUTTON(chief->m_widget) );
- }
- else
- {
- /* start a new group */
- m_radioButtonGroup = (GSList*) NULL;
- }
- node = node->GetPrevious();
+ // search backward for last group start
+ wxWindowList::compatibility_iterator node = parent->GetChildren().GetLast();
+ for (; node; node = node->GetPrevious())
+ {
+ wxWindow *child = node->GetData();
+
+ // We stop at the first previous radio button in any case as it
+ // wouldn't make sense to put this button in a group with another
+ // one if there is a radio button that is not part of the same
+ // group between them.
+ if (wxIsKindOf(child, wxRadioButton))
+ {
+ // Any preceding radio button can be used to get its group, not
+ // necessarily one with wxRB_GROUP style, but exclude
+ // wxRB_SINGLE ones as their group should never be shared.
+ if (!child->HasFlag(wxRB_SINGLE))
+ {
+ radioButtonGroup = gtk_radio_button_get_group(
+ GTK_RADIO_BUTTON(child->m_widget));
+ }
+
+ break;
+ }