if(entry_id.get_text()!=canvas_interface_->get_canvas()->get_id())
canvas_interface_->set_id(entry_id.get_text());
if(entry_name.get_text()!=canvas_interface_->get_canvas()->get_name())
canvas_interface_->set_name(entry_name.get_text());
if(entry_description.get_text()!=canvas_interface_->get_canvas()->get_description())
canvas_interface_->set_description(entry_description.get_text());
if(entry_id.get_text()!=canvas_interface_->get_canvas()->get_id())
canvas_interface_->set_id(entry_id.get_text());
if(entry_name.get_text()!=canvas_interface_->get_canvas()->get_name())
canvas_interface_->set_name(entry_name.get_text());
if(entry_description.get_text()!=canvas_interface_->get_canvas()->get_description())
canvas_interface_->set_description(entry_description.get_text());