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zig-wayland-wire
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Explicitly handle case where not all globals exist

dev
LeRoyce Pearson 2023-08-12 17:28:33 -06:00
parent e66fbb225b
commit 47c57a5b87
2 changed files with 16 additions and 7 deletions
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21
examples/01_client_connect.zig
View File

@ -31,9 +31,9 @@ pub fn main() !void {
try socket.writeAll(std.mem.sliceAsBytes(message));
}
var shm_id: u32 = id_pool.create();
var compositor_id: u32 = id_pool.create();
var xdg_wm_base_id: u32 = id_pool.create();
var shm_id_opt: ?u32 = null;
var compositor_id_opt: ?u32 = null;
var xdg_wm_base_id_opt: ?u32 = null;
var message_buffer = std.ArrayList(u32).init(gpa);
defer message_buffer.deinit();
@ -54,6 +54,7 @@ pub fn main() !void {
.global => |global| {
var buffer: [20]u32 = undefined;
if (std.mem.eql(u8, global.interface, "wl_shm")) {
shm_id_opt = id_pool.create();
const message = try wayland.serialize(
wayland.core.Registry.Request,
&buffer,
@ -62,11 +63,12 @@ pub fn main() !void {
.name = global.name,
.interface = global.interface,
.version = global.version,
.new_id = shm_id,
.new_id = shm_id_opt.?,
} },
);
try socket.writeAll(std.mem.sliceAsBytes(message));
} else if (std.mem.eql(u8, global.interface, "wl_compositor")) {
} else if (std.mem.eql(u8, global.interface, wayland.core.Compositor.INTERFACE)) {
compositor_id_opt = id_pool.create();
const message = try wayland.serialize(
wayland.core.Registry.Request,
&buffer,
@ -75,11 +77,12 @@ pub fn main() !void {
.name = global.name,
.interface = global.interface,
.version = global.version,
.new_id = compositor_id,
.new_id = compositor_id_opt.?,
} },
);
try socket.writeAll(std.mem.sliceAsBytes(message));
} else if (std.mem.eql(u8, global.interface, "xdg_wm_base")) {
xdg_wm_base_id_opt = id_pool.create();
const message = try wayland.serialize(
wayland.core.Registry.Request,
&buffer,
@ -88,7 +91,7 @@ pub fn main() !void {
.name = global.name,
.interface = global.interface,
.version = global.version,
.new_id = xdg_wm_base_id,
.new_id = xdg_wm_base_id_opt.?,
} },
);
try socket.writeAll(std.mem.sliceAsBytes(message));
@ -103,6 +106,10 @@ pub fn main() !void {
}
}
const shm_id = shm_id_opt orelse return error.NeccessaryWaylandExtensionMissing;
const compositor_id = compositor_id_opt orelse return error.NeccessaryWaylandExtensionMissing;
const xdg_wm_base_id = xdg_wm_base_id_opt orelse return error.NeccessaryWaylandExtensionMissing;
const surface_id = id_pool.create();
{
var buffer: [10]u32 = undefined;

2
src/core.zig
View File

@ -85,6 +85,8 @@ pub const Registry = struct {
};
pub const Compositor = struct {
pub const INTERFACE = "wl_compositor";
pub const Request = union(Request.Tag) {
create_surface: CreateSurface,
create_region: CreateRegion,