+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 )
+ {
+ GdkFont *font = m_font.GetInternalFont();
+
+ wxCoord width;
+ size_t count = GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ width = (wxCoord)gdk_string_width(font, GetString(n).mbc_str());
+ 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;
+ }
+
+ // but not less than the minimal width
+ if ( ret.x < 80 )
+ ret.x = 80;
+
+ ret.y = 16 + gdk_char_height( m_widget->style->font, 'H' );
+ return ret;
+}
+
+#endif // wxUSE_CHOICE
+