+wxSize wxChoice::DoGetBestSize() const
+{
+ wxSize ret( wxControl::DoGetBestSize() );
+
+ // we know better our horizontal extent: it depends on the longest string
+ // we have
+ ret.x = 0;
+ if ( m_widget )
+ {
+ int width;
+ size_t count = GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ GetTextExtent( GetString(n), &width, NULL, NULL, NULL, &m_font );
+ if ( width > ret.x )
+ ret.x = width;
+ }
+
+ // add extra for the choice "=" button
+
+ // VZ: I don't know how to get the right value, it seems to be in
+ // GtkOptionMenuProps struct from gtkoptionmenu.c but we can't get
+ // to it - maybe we can use gtk_option_menu_size_request() for this
+ // somehow?
+ //
+ // This default value works only for the default GTK+ theme (i.e.
+ // no theme at all) (FIXME)
+ static const int widthChoiceIndicator = 35;
+ ret.x += widthChoiceIndicator;