Method UpdateButtons

src/object_gui.cpp:293–298

* Update buttons to show the selection to the user. * @param spec The object spec of the selected object. */

	 * @param spec The object spec of the selected object.
	 */
	void UpdateButtons(const ObjectSpec *spec)
	{
		this->GetWidget<NWidgetMatrix>(WID_BO_OBJECT_MATRIX)->SetClicked(_object_gui.sel_view);
		this->UpdateSelectSize(spec);
		this->SetDirty();
	}

	void OnInvalidateData([[maybe_unused]] int data = 0, [[maybe_unused]] bool gui_scope = true) override
	{