Grid

pub fn buildGrid(scope: *ui.Scope, cx: *ui.Cx) anyerror!*ui.Node {
    const widths = [_]f32{ 90, 90, 90, 90 };
    const g = try W.mountGrid(.{
        .col_count = 4,
        .row_count = 12,
        .col_widths = &widths,
        .cell_height = 30,
        .width = 380,
        .height = 320,
        .cell_render_fn = gridCell,
    }, scope, cx);
    return g.root;
}