tiny.wayland.protocol.bootstrap.registry

1const protocol = @import("../root.zig");23const core = protocol.core.wl_registry;45pub const Bind = struct {6    name: u32,7    interface: []const u8,8    version: u32,9    id: protocol.value.NewId,1011    pub fn encode(self: Bind, encoder: *protocol.value.Encoder) !protocol.value.Encoded {12        encoder.reset();13        errdefer encoder.reset();14        try encoder.unsigned(self.name);15        try encoder.dynamicNewId(self.interface, self.version, self.id);16        return encoder.finish(&core.requests.bind);17    }18};1920pub const Global = struct {21    name: u32,22    interface: []const u8,23    version: u32,24};2526pub const GlobalRemove = struct {27    name: u32,28};2930pub const Event = union(enum) {31    global: Global,32    global_remove: GlobalRemove,33};3435pub fn decodeEvent(36    opcode: u16,37    payload: []const u8,38    descriptors: []const @import("sys").fd.Descriptor,39) !Event {40    const metadata = core.metadata.event(opcode) orelse return error.UnknownOpcode;41    var decoder = try protocol.value.Decoder.init(metadata, payload, descriptors);42    const event: Event = switch (opcode) {43        core.events.global.opcode => .{ .global = .{44            .name = try decoder.unsigned(),45            .interface = try decoder.string(),46            .version = try decoder.unsigned(),47        } },48        core.events.global_remove.opcode => .{ .global_remove = .{49            .name = try decoder.unsigned(),50        } },51        else => unreachable,52    };53    try decoder.finish();54    return event;55}5657test "registry bind expands its dynamic new_id from XML wire meaning" {58    const std = @import("std");5960    var encoder = try protocol.value.Encoder.init(61        std.testing.allocator,62        protocol.value.default_encoder_capacity,63    );64    defer encoder.deinit();65    const encoded = try (Bind{66        .name = 7,67        .interface = "wl_compositor",68        .version = 6,69        .id = try .init(4),70    }).encode(&encoder);71    try std.testing.expectEqualStrings("usun", encoded.metadata.signature);72    var decoder = try protocol.value.Decoder.init(encoded.metadata, encoded.payload, encoded.descriptors);73    try std.testing.expectEqual(@as(u32, 7), try decoder.unsigned());74    const created = try decoder.dynamicNewId();75    try std.testing.expectEqualStrings("wl_compositor", created.interface);76    try std.testing.expectEqual(@as(u32, 6), created.version);77    try std.testing.expectEqual(@as(u32, 4), created.id.raw);78    try decoder.finish();79}8081test "registry global event decodes borrowed protocol text" {82    const std = @import("std");8384    var encoder = try protocol.value.Encoder.init(85        std.testing.allocator,86        protocol.value.default_encoder_capacity,87    );88    defer encoder.deinit();89    try encoder.unsigned(11);90    try encoder.string("wl_seat");91    try encoder.unsigned(9);92    const encoded = try encoder.finish(&core.events.global);93    const event = try decodeEvent(encoded.opcode(), encoded.payload, encoded.descriptors);94    try std.testing.expectEqual(@as(u32, 11), event.global.name);95    try std.testing.expectEqualStrings("wl_seat", event.global.interface);96    try std.testing.expectEqual(@as(u32, 9), event.global.version);97}

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