From a46436e58beaaa322c082af5e886f96fd31d7a08 Mon Sep 17 00:00:00 2001
From: Nathan Reiner <nathan@nathanreiner.xyz>
Date: Sat, 30 Aug 2025 15:49:18 +0200
Subject: Use mix-in design for interface abstraction.

---
 src/wl/compositor.zig | 28 ++++------------------------
 1 file changed, 4 insertions(+), 24 deletions(-)

(limited to 'src/wl/compositor.zig')

diff --git a/src/wl/compositor.zig b/src/wl/compositor.zig
index 166430a..ed8ac6b 100644
--- a/src/wl/compositor.zig
+++ b/src/wl/compositor.zig
@@ -11,35 +11,15 @@ pub const Request = union(enum) {
 };
 
 handle: wayland.Object.Ref,
+init: wayland.Object.interface.Init(Self) = .{},
 
-pub var instances: std.ArrayListUnmanaged(*Self) = .empty;
-
+pub var globals: wayland.Object.interface.Global(Self) = .init;
 pub const handler: wl.Registry.GlobalHandler = .{
     .interface = "wl_compositor",
     .version = 6,
-    .handler = register,
+    .handler = globals.register,
 };
 
-pub fn init(
-    self: *Self,
-    ctx: wayland.Context
-) !void {
-    self.* = .{
-        .handle = try ctx.display.registry.add_object(
-            ctx.allocator,
-            wayland.Object.from_self(self),
-        ),
-    };
-}
-
-fn register(ctx: wayland.Context) ?wayland.Object.Ref {
-    const compositor = ctx.allocator.create(Self) catch return null;
-    compositor.init(ctx) catch return null;
-
-    instances.append(ctx.allocator, compositor) catch return null;
-    return compositor.handle;
-}
-
 pub fn format(
     self: *const Self,
     comptime fmt: []const u8,
@@ -60,7 +40,7 @@ pub fn create_surface(
     const surface = try ctx.allocator.create(wl.Surface);
     errdefer ctx.allocator.destroy(surface);
 
-    try surface.init(ctx);
+    try surface.init.default(ctx);
 
     try ctx.display.request(self, .{ .create_surface = .{ surface.handle } });
 
-- 
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