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const std = @import("std");
const wayland = @import("../root.zig");
const wl = wayland.wl;
pub fn Init(T: type) type {
return struct {
const Self = @This();
pub fn default(
self: *Self,
ctx: wayland.Context,
) !void {
const parent: *T = @alignCast(@fieldParentPtr("init", self));
parent.* = .{
.handle = try ctx.display.registry.add_object(
ctx.allocator,
wayland.Object.from_self(parent),
),
};
}
pub fn with(
self: *Self,
ctx: wayland.Context,
values: T,
) !void {
const parent: *T = @alignCast(@fieldParentPtr("init", self));
parent.* = values;
parent.handle = try ctx.display.registry.add_object(
ctx.allocator,
wayland.Object.from_self(parent),
);
}
};
}
pub fn Global(T: type) type {
return struct {
const Self = @This();
pub const init = Self { };
var instances: std.ArrayListUnmanaged(*T) = .empty;
comptime register: fn (ctx: wayland.Context) ?wayland.Object.Ref = reg,
pub fn reg(ctx: wayland.Context) ?wayland.Object.Ref {
const interface = ctx.allocator.create(T) catch return null;
interface.init.default(ctx) catch return null;
instances.append(ctx.allocator, interface) catch return null;
return interface.handle;
}
pub fn as_slice(self: *Self) []*T {
_ = self;
return instances.items;
}
pub fn get(self: *Self, index: usize) ?*T {
_ = self;
if (index >= instances.items.len) {
return null;
}
return instances.items[index];
}
};
}
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