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