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const std = @import("std");
const wayland = @import("../../root.zig");
const wl = wayland.wl;
pub const Pool = @import("pool.zig");
pub const Format = @import("format.zig").Format;
pub const AnonymousFile = @import("anonymous-file.zig");
const Self = @This();
pub const Events = wayland.EventSet(Self, .{ announce_format });
pub const Request = union(enum) {
create_pool: struct { wayland.Object.Ref, wayland.types.Fd, u32 },
};
handle: wayland.Object.Ref = .null,
init: wayland.Object.interface.Init(Self) = .{},
formats: std.EnumSet(Format) = .initEmpty(),
pub var globals: wayland.Object.interface.Global(Self) = .init;
pub const handler: wl.Registry.GlobalHandler = .{
.interface = "wl_shm",
.version = 1,
.handler = globals.register,
};
fn announce_format(self: * Self, ctx: wayland.Context, fmt: Format) void {
_ = ctx;
self.formats.insert(fmt);
}
pub fn create_pool(self: *Self, ctx: wayland.Context, size: usize) !*Pool {
const pool = try ctx.allocator.create(Pool);
errdefer ctx.allocator.destroy(pool);
var file = try AnonymousFile.init_random();
errdefer file.close();
try file.truncate(size);
try pool.init.with(ctx, .{
.file = file,
.buffer = try file.mmap(),
});
try ctx.display.request(self, .{ .create_pool = .{
pool.handle,
.{ .fd = pool.file.fd },
@truncate(size)
} });
return pool;
}
pub fn format(
self: *const Self,
comptime fmt: []const u8,
options: std.fmt.FormatOptions,
writer: anytype,
) !void {
_ = fmt;
_ = options;
try writer.print("wl.shm {{ ", .{});
{
var iterator = self.formats.iterator();
while (iterator.next()) |f| {
try writer.print("{s} ", .{@tagName(f)});
}
}
try writer.print("}}", .{});
}
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