acad_icon: dialog {
        key = "label";
        initial_focus               = "listbox";
        : row {
            : list_box {
                width               = 20;
                height              = 21;
                fixed_height        = true;
                key                 = "listbox";
                allow_accept        = true;
            }
            : column {
                : row {
                    : icon_image {
                        key         = "icon1";
                        width = 25;
                       }
                    : icon_image {
                        key         = "icon2";
                        width = 25;    
                    }
                    : icon_image {
                        key         = "icon3";
                        width = 25;
                    }
                    : icon_image {
                        key         = "icon4";
                        width = 25;
                    }
                }
                : row {
                    : icon_image {
                        key         = "icon5";
                        width = 25;
                    }
                    : icon_image {
                        key         = "icon6";
                        width = 25;
                    }


                 ..... ecc. fino alla icon20 .....