picker

pub fn picker(src: std.builtin.SourceLocation, themes: []const Theme, opts: Options) bool {
    var picked = false;

    const defaults: Options = .{
        .name = "Theme Picker",
        .min_size_content = .{ .w = 120 },
    };

    const options = defaults.override(opts);
    const current_theme_name = dvui.themeGet().name;

    const theme_choice: ?usize = for (themes, 0..) |val, i| {
        if (std.mem.eql(u8, current_theme_name, val.name)) {
            break i;
        }
    } else null;

    var dd: dvui.DropdownWidget = undefined;
    dd.init(
        src,
        .{ .selected_index = theme_choice, .label = current_theme_name },
        options,
    );

    if (dd.dropped()) {
        for (themes) |theme| {
            if (dd.addChoiceLabel(theme.name)) {
                dvui.themeSet(theme);
                picked = true;
                break;
            }
        }
    }

    dd.deinit();

    return picked;
}