tiny.wayland.protocol.bootstrap.callback

1const protocol = @import("../root.zig");23const core = protocol.core.wl_callback;45pub const Done = struct {6    data: u32,7};89pub fn decodeEvent(10    opcode: u16,11    payload: []const u8,12    descriptors: []const @import("sys").fd.Descriptor,13) !Done {14    const metadata = core.metadata.event(opcode) orelse return error.UnknownOpcode;15    var decoder = try protocol.value.Decoder.init(metadata, payload, descriptors);16    const done: Done = .{ .data = try decoder.unsigned() };17    try decoder.finish();18    return done;19}2021test "callback done is a typed one-word event" {22    const std = @import("std");2324    const payload = [_]u8{ 17, 0, 0, 0 };25    try std.testing.expectEqual(@as(u32, 17), (try decodeEvent(0, &payload, &.{})).data);26    try std.testing.expectError(error.UnknownOpcode, decodeEvent(1, &payload, &.{}));27}

1pub const callback = @import("callback.zig");