void
CanvasProperties::on_apply_pressed()
{
- if(entry_id.get_text()!=canvas_interface_->get_canvas()->get_id())
+ if(entry_id.get_text()!=canvas_interface_->get_canvas()->get_id() && !entry_id.get_text().empty())
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());