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const std = @import("std");
const c = @import("c.zig");
const Decoration = @import("decoration.zig").Decoration;
const Server = @import("server.zig").Server;
pub const DecorationManager = struct {
const Self = @This();
server: *Server,
wlr_xdg_decoration_manager: *c.wlr_xdg_decoration_manager_v1,
decorations: std.SinglyLinkedList(Decoration),
listen_new_toplevel_decoration: c.wl_listener,
pub fn init(self: *Self, server: *Server) !void {
self.server = server;
self.wlr_xdg_decoration_manager = c.wlr_xdg_decoration_manager_v1_create(server.wl_display) orelse
return error.CantCreateWlrXdgDecorationManager;
self.listen_new_toplevel_decoration.notify = handleNewToplevelDecoration;
c.wl_signal_add(
&self.wlr_xdg_decoration_manager.events.new_toplevel_decoration,
&self.listen_new_toplevel_decoration,
);
}
fn handleNewToplevelDecoration(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
const decoration_manager = @fieldParentPtr(
DecorationManager,
"listen_new_toplevel_decoration",
listener.?,
);
const wlr_xdg_toplevel_decoration = @ptrCast(
*c.wlr_xdg_toplevel_decoration_v1,
@alignCast(@alignOf(*c.wlr_xdg_toplevel_decoration_v1), data),
);
const node = decoration_manager.decorations.allocateNode(decoration_manager.server.allocator) catch unreachable;
node.data.init(decoration_manager, wlr_xdg_toplevel_decoration);
decoration_manager.decorations.prepend(node);
}
};
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