template<typename Element> class BasicVector3;
typedef BasicVector3<float> Vector3;
-bool color_dialog( ui::Widget parent, Vector3& color, const char* title = "Choose Color" );
+bool color_dialog( ui::Window parent, Vector3& color, const char* title = "Choose Color" );
void button_clicked_entry_browse_file( ui::Widget widget, ui::Entry entry );
void button_clicked_entry_browse_directory( ui::Widget widget, ui::Entry entry );