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// This file is part of river, a dynamic tiling wayland compositor.
//
// Copyright 2020 Isaac Freund
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
const Self = @This();
const std = @import("std");
const c = @import("c.zig");
const Decoration = @import("Decoration.zig");
const Server = @import("Server.zig");
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 self = @fieldParentPtr(Self, "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 = self.decorations.allocateNode(self.server.allocator) catch unreachable;
node.data.init(self, wlr_xdg_toplevel_decoration);
self.decorations.prepend(node);
}
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