+
+private:
+ optional<int> lookup_id(char const *name);
+ optional<std::string> lookup_name(int id);
+
+ bool pop_pending_events();
+
+ void enqueue_flushdraw(int surface_id);
+ void check_flushdraw(int surface_id);
+
+ int init_layers();
+
+ void surface_set_layout(int surface_id, optional<int> sub_surface_id = nullopt);
+ void layout_commit();
+
+ // TMC WM Events to clients
+ void emit_activated(char const *label);
+ void emit_deactivated(char const *label);
+ void emit_syncdraw(char const *label);
+ void emit_flushdraw(char const *label);
+ void emit_visible(char const *label, bool is_visible);
+ void emit_invisible(char const *label);
+ void emit_visible(char const *label);
+
+ void activate(int id);
+ void deactivate(int id);
+ void deactivate_main_surface();
+
+ bool can_split(struct LayoutState const &state, int new_id);
+ void try_layout(struct LayoutState &state,
+ struct LayoutState const &new_layout,
+ std::function<void(LayoutState const &nl)> apply);