void GraphEdit::add_child_notify(Node *p_child) {
Control::add_child_notify(p_child);
top_layer->call_deferred("raise"); //top layer always on top!
GraphNode *gn = Object::cast_to<GraphNode>(p_child);
if (gn) {
gn->set_scale(Vector2(zoom, zoom));
gn->connect("offset_changed", this, "_graph_node_moved", varray(gn));
gn->connect("raise_request", this, "_graph_node_raised", varray(gn));
gn->connect("item_rect_changed", connections_layer, "update");
_graph_node_moved(gn);
gn->set_mouse_filter(MOUSE_FILTER_PASS);
}
}
void GraphEdit::_update_scroll_offset() {
set_block_minimum_size_adjust(true);
for (int i = 0; i < get_child_count(); i++) {
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
if (!gn)
continue;
Point2 pos = gn->get_offset() * zoom;
pos -= Point2(h_scroll->get_value(), v_scroll->get_value());
gn->set_position(pos);
if (gn->get_scale() != Vector2(zoom, zoom)) {
gn->set_scale(Vector2(zoom, zoom));
}
}
connections_layer->set_position(-Point2(h_scroll->get_value(), v_scroll->get_value()));
set_block_minimum_size_adjust(false);
awaiting_scroll_offset_update = false;
}