Add GraphFrame and integrate it in VisualShader

This commit is contained in:
Hendrik Brucker
2024-02-07 02:37:26 +01:00
parent 7a42afbba0
commit a81561cbd9
25 changed files with 1996 additions and 298 deletions

View File

@ -442,11 +442,42 @@ void GraphEdit::_update_scroll() {
updating = false;
}
void GraphEdit::_graph_element_moved_to_front(Node *p_node) {
GraphElement *graph_element = Object::cast_to<GraphElement>(p_node);
ERR_FAIL_NULL(graph_element);
void GraphEdit::_ensure_node_order_from(Node *p_node) {
GraphElement *graph_node = Object::cast_to<GraphElement>(p_node);
ERR_FAIL_NULL(graph_node);
GraphFrame *frame = Object::cast_to<GraphFrame>(p_node);
graph_element->move_to_front();
// Move a non-frame node directly to the front.
if (!frame) {
graph_node->move_to_front();
return;
}
// Reorder the frames behind the connection layer.
List<GraphFrame *> attached_nodes_to_move;
attached_nodes_to_move.push_back(frame);
while (!attached_nodes_to_move.is_empty()) {
GraphFrame *attached_frame = attached_nodes_to_move.front()->get();
attached_nodes_to_move.pop_front();
// Move the frame to the front of the background node index range.
attached_frame->get_parent()->call_deferred("move_child", attached_frame, background_nodes_separator_idx - 1);
if (!frame_attached_nodes.has(attached_frame->get_name())) {
continue;
}
for (const StringName &attached_node_name : frame_attached_nodes.get(attached_frame->get_name())) {
GraphElement *attached_node = Object::cast_to<GraphElement>(get_node(NodePath(attached_node_name)));
GraphFrame *attached_child_frame_node = Object::cast_to<GraphFrame>(attached_node);
if (attached_child_frame_node && (attached_child_frame_node != frame)) {
attached_nodes_to_move.push_back(attached_child_frame_node);
}
}
}
}
void GraphEdit::_graph_element_selected(Node *p_node) {
@ -463,11 +494,42 @@ void GraphEdit::_graph_element_deselected(Node *p_node) {
emit_signal(SNAME("node_deselected"), graph_element);
}
void GraphEdit::_graph_element_resized(Vector2 p_new_minsize, Node *p_node) {
void GraphEdit::_graph_element_resize_request(const Vector2 &p_new_minsize, Node *p_node) {
GraphElement *graph_element = Object::cast_to<GraphElement>(p_node);
ERR_FAIL_NULL(graph_element);
graph_element->set_size(p_new_minsize);
// Snap the new size to the grid if snapping is enabled.
Vector2 new_size = p_new_minsize;
if (snapping_enabled ^ Input::get_singleton()->is_key_pressed(Key::CTRL)) {
new_size = new_size.snapped(Vector2(snapping_distance, snapping_distance));
}
// Disallow resizing the frame to a size smaller than the minimum size of the attached nodes.
GraphFrame *frame = Object::cast_to<GraphFrame>(graph_element);
if (frame && !frame->is_autoshrink_enabled()) {
Rect2 frame_rect = _compute_shrinked_frame_rect(frame);
Vector2 computed_min_size = (frame_rect.position + frame_rect.size) - frame->get_position_offset();
frame->set_size(new_size.max(computed_min_size));
} else {
graph_element->set_size(new_size);
}
// Update all parent frames recursively bottom-up.
if (linked_parent_map.has(graph_element->get_name())) {
GraphFrame *parent_frame = Object::cast_to<GraphFrame>(get_node_or_null(NodePath(linked_parent_map[graph_element->get_name()])));
if (parent_frame) {
_update_graph_frame(parent_frame);
}
}
}
void GraphEdit::_graph_frame_autoshrink_changed(const Vector2 &p_new_minsize, GraphFrame *p_frame) {
_update_graph_frame(p_frame);
minimap->queue_redraw();
queue_redraw();
connections_layer->queue_redraw();
callable_mp(this, &GraphEdit::_update_top_connection_layer).call_deferred();
}
void GraphEdit::_graph_element_moved(Node *p_node) {
@ -502,6 +564,26 @@ void GraphEdit::_graph_node_rect_changed(GraphNode *p_node) {
connections_layer->queue_redraw();
callable_mp(this, &GraphEdit::_update_top_connection_layer).call_deferred();
// Update all parent frames recursively bottom-up.
if (linked_parent_map.has(p_node->get_name())) {
GraphFrame *parent_frame = Object::cast_to<GraphFrame>(get_node(NodePath(linked_parent_map[p_node->get_name()])));
if (parent_frame) {
_update_graph_frame(parent_frame);
}
}
}
void GraphEdit::_ensure_node_order_from_root(const StringName &p_node) {
// Find the root frame node of the frame tree starting from p_node.
GraphElement *root_frame = Object::cast_to<GraphElement>(get_node(NodePath(p_node)));
ERR_FAIL_NULL(root_frame);
while (linked_parent_map.has(root_frame->get_name())) {
root_frame = Object::cast_to<GraphElement>(get_node(NodePath(linked_parent_map[root_frame->get_name()])));
}
_ensure_node_order_from(root_frame);
}
void GraphEdit::add_child_notify(Node *p_child) {
@ -520,10 +602,23 @@ void GraphEdit::add_child_notify(Node *p_child) {
if (graph_node) {
graph_node->connect("slot_updated", callable_mp(this, &GraphEdit::_graph_node_slot_updated).bind(graph_element));
graph_node->connect("item_rect_changed", callable_mp(this, &GraphEdit::_graph_node_rect_changed).bind(graph_node));
_ensure_node_order_from(graph_node);
}
graph_element->connect("raise_request", callable_mp(this, &GraphEdit::_graph_element_moved_to_front).bind(graph_element));
graph_element->connect("resize_request", callable_mp(this, &GraphEdit::_graph_element_resized).bind(graph_element));
GraphFrame *graph_frame = Object::cast_to<GraphFrame>(graph_element);
if (graph_frame) {
background_nodes_separator_idx++;
callable_mp((Node *)this, &Node::move_child).call_deferred(graph_frame, 0);
callable_mp((Node *)this, &Node::move_child).call_deferred(connections_layer, background_nodes_separator_idx);
_update_graph_frame(graph_frame);
graph_frame->connect("autoshrink_changed", callable_mp(this, &GraphEdit::_graph_frame_autoshrink_changed).bind(graph_element));
}
graph_element->connect("raise_request", callable_mp(this, &GraphEdit::_ensure_node_order_from).bind(graph_element));
graph_element->connect("resize_request", callable_mp(this, &GraphEdit::_graph_element_resize_request).bind(graph_element));
graph_element->connect("item_rect_changed", callable_mp((CanvasItem *)connections_layer, &CanvasItem::queue_redraw));
graph_element->connect("item_rect_changed", callable_mp((CanvasItem *)minimap, &GraphEditMinimap::queue_redraw));
graph_element->set_scale(Vector2(zoom, zoom));
@ -565,8 +660,35 @@ void GraphEdit::remove_child_notify(Node *p_child) {
connections_layer->queue_redraw();
}
graph_element->disconnect("raise_request", callable_mp(this, &GraphEdit::_graph_element_moved_to_front));
graph_element->disconnect("resize_request", callable_mp(this, &GraphEdit::_graph_element_resized));
GraphFrame *frame = Object::cast_to<GraphFrame>(graph_element);
if (frame) {
background_nodes_separator_idx--;
graph_element->disconnect("autoshrink_changed", callable_mp(this, &GraphEdit::_graph_frame_autoshrink_changed));
}
if (linked_parent_map.has(graph_element->get_name())) {
GraphFrame *parent_frame = Object::cast_to<GraphFrame>(get_node(NodePath(linked_parent_map[graph_element->get_name()])));
if (parent_frame) {
if (frame_attached_nodes.has(parent_frame->get_name())) {
frame_attached_nodes.get(parent_frame->get_name()).erase(graph_element->get_name());
}
linked_parent_map.erase(graph_element->get_name());
_update_graph_frame(parent_frame);
}
}
if (frame_attached_nodes.has(graph_element->get_name())) {
for (const StringName &attached_node_name : frame_attached_nodes.get(graph_element->get_name())) {
GraphElement *attached_node = Object::cast_to<GraphElement>(get_node(NodePath(attached_node_name)));
if (attached_node) {
linked_parent_map.erase(attached_node->get_name());
}
}
frame_attached_nodes.erase(graph_element->get_name());
}
graph_element->disconnect("raise_request", callable_mp(this, &GraphEdit::_ensure_node_order_from));
graph_element->disconnect("resize_request", callable_mp(this, &GraphEdit::_graph_element_resize_request));
// In case of the whole GraphEdit being destroyed these references can already be freed.
if (minimap != nullptr && minimap->is_inside_tree()) {
@ -620,6 +742,7 @@ void GraphEdit::_notification(int p_what) {
_draw_grid();
}
} break;
case NOTIFICATION_RESIZED: {
_update_scroll();
minimap->queue_redraw();
@ -628,6 +751,118 @@ void GraphEdit::_notification(int p_what) {
}
}
Rect2 GraphEdit::_compute_shrinked_frame_rect(const GraphFrame *p_frame) {
Vector2 min_point{ FLT_MAX, FLT_MAX };
Vector2 max_point{ -FLT_MAX, -FLT_MAX };
if (!frame_attached_nodes.has(p_frame->get_name())) {
return Rect2(p_frame->get_position_offset(), Size2());
}
int autoshrink_margin = p_frame->get_autoshrink_margin();
for (const StringName &attached_node_name : frame_attached_nodes.get(p_frame->get_name())) {
GraphElement *attached_node = Object::cast_to<GraphElement>(get_node_or_null(NodePath(attached_node_name)));
if (!attached_node || attached_node == p_frame) {
if (!attached_node) {
frame_attached_nodes.get(p_frame->get_name()).erase(attached_node_name);
}
continue;
}
Vector2 node_pos = attached_node->get_position_offset();
Vector2 size = attached_node->get_size();
min_point = min_point.min(node_pos);
max_point = max_point.max(node_pos + size);
}
// It's sufficient to check only one value here.
if (min_point.x == FLT_MAX) {
return Rect2(p_frame->get_position_offset(), Size2());
}
min_point -= Size2(autoshrink_margin, autoshrink_margin);
max_point += Size2(autoshrink_margin, autoshrink_margin);
return Rect2(min_point, max_point - min_point);
}
void GraphEdit::_update_graph_frame(GraphFrame *p_frame) {
Rect2 frame_rect = _compute_shrinked_frame_rect(p_frame);
Vector2 min_point = frame_rect.position;
Vector2 max_point = frame_rect.position + frame_rect.size;
// Only update the size if there are attached nodes.
if (frame_attached_nodes.has(p_frame->get_name()) && frame_attached_nodes.get(p_frame->get_name()).size() > 0) {
if (!p_frame->is_autoshrink_enabled()) {
Vector2 old_offset = p_frame->get_position_offset();
min_point = min_point.min(old_offset);
max_point = max_point.max(old_offset + p_frame->get_size());
}
Rect2 old_rect = p_frame->get_rect();
p_frame->set_position_offset(min_point);
p_frame->set_size(max_point - min_point);
// Emit the signal only if the frame rect has changed.
if (old_rect != p_frame->get_rect()) {
emit_signal(SNAME("frame_rect_changed"), p_frame, p_frame->get_rect());
}
}
// Update all parent frames recursively bottom-up.
if (linked_parent_map.has(p_frame->get_name())) {
GraphFrame *parent_frame = Object::cast_to<GraphFrame>(get_node_or_null(NodePath(linked_parent_map[p_frame->get_name()])));
if (parent_frame) {
_update_graph_frame(parent_frame);
}
}
}
void GraphEdit::_set_drag_frame_attached_nodes(GraphFrame *p_frame, bool p_drag) {
if (!frame_attached_nodes.has(p_frame->get_name())) {
return;
}
for (const StringName &attached_node_name : frame_attached_nodes.get(p_frame->get_name())) {
GraphElement *attached_node = Object::cast_to<GraphElement>(get_node(NodePath(attached_node_name)));
attached_node->set_drag(p_drag);
GraphFrame *graph_frame = Object::cast_to<GraphFrame>(attached_node);
if (graph_frame) {
_set_drag_frame_attached_nodes(graph_frame, p_drag);
}
}
}
void GraphEdit::_set_position_of_frame_attached_nodes(GraphFrame *p_frame, const Vector2 &p_pos) {
if (!frame_attached_nodes.has(p_frame->get_name())) {
return;
}
for (const StringName &attached_node_name : frame_attached_nodes.get(p_frame->get_name())) {
GraphElement *attached_node = Object::cast_to<GraphElement>(get_node_or_null(NodePath(attached_node_name)));
if (!attached_node) {
continue;
}
Vector2 pos = (attached_node->get_drag_from() * zoom + drag_accum) / zoom;
if (snapping_enabled ^ Input::get_singleton()->is_key_pressed(Key::CTRL)) {
pos = pos.snapped(Vector2(snapping_distance, snapping_distance));
}
// Recursively move graph frames.
attached_node->set_position_offset(pos);
GraphFrame *graph_frame = Object::cast_to<GraphFrame>(attached_node);
if (graph_frame) {
_set_position_of_frame_attached_nodes(graph_frame, p_pos);
}
}
}
bool GraphEdit::_filter_input(const Point2 &p_point) {
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *graph_node = Object::cast_to<GraphNode>(get_child(i));
@ -1265,7 +1500,33 @@ void GraphEdit::_minimap_draw() {
Vector2 graph_offset = minimap->_get_graph_offset();
Vector2 minimap_offset = minimap->minimap_offset;
// Draw graph nodes.
// Draw frame nodes.
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphFrame *graph_frame = Object::cast_to<GraphFrame>(get_child(i));
if (!graph_frame || !graph_frame->is_visible()) {
continue;
}
Vector2 node_position = minimap->_convert_from_graph_position(graph_frame->get_position_offset() * zoom - graph_offset) + minimap_offset;
Vector2 node_size = minimap->_convert_from_graph_position(graph_frame->get_size() * zoom);
Rect2 node_rect = Rect2(node_position, node_size);
Ref<StyleBoxFlat> sb_minimap = minimap->theme_cache.node_style->duplicate();
// Override default values with colors provided by the GraphNode's stylebox, if possible.
Ref<StyleBoxFlat> sb_frame = graph_frame->get_theme_stylebox(graph_frame->is_selected() ? SNAME("panel_selected") : SNAME("panel"));
if (sb_frame.is_valid()) {
Color node_color = sb_frame->get_bg_color();
if (graph_frame->is_tint_color_enabled()) {
node_color = graph_frame->get_tint_color();
}
sb_minimap->set_bg_color(node_color);
}
minimap->draw_style_box(sb_minimap, node_rect);
}
// Draw regular graph nodes.
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *graph_node = Object::cast_to<GraphNode>(get_child(i));
if (!graph_node || !graph_node->is_visible()) {
@ -1400,6 +1661,7 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) {
hovered_connection = new_highlighted_connection;
}
// Logic for moving graph controls via mouse drag.
if (mm.is_valid() && dragging) {
if (!moving_selection) {
emit_signal(SNAME("begin_node_move"));
@ -1420,6 +1682,19 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) {
}
graph_element->set_position_offset(pos);
if (linked_parent_map.has(graph_element->get_name())) {
GraphFrame *parent_frame = Object::cast_to<GraphFrame>(get_node_or_null(NodePath(linked_parent_map[graph_element->get_name()])));
if (parent_frame) {
_update_graph_frame(parent_frame);
}
}
// Update all frame transforms recursively.
GraphFrame *graph_frame = Object::cast_to<GraphFrame>(get_child(i));
if (graph_frame) {
_set_position_of_frame_attached_nodes(graph_frame, drag_accum);
}
}
}
}
@ -1436,10 +1711,12 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) {
continue;
}
// Only select frames when the box selection is fully enclosing them.
bool is_frame = Object::cast_to<GraphFrame>(graph_element);
Rect2 r = graph_element->get_rect();
bool in_box = r.intersects(box_selecting_rect);
bool should_be_selected = is_frame ? box_selecting_rect.encloses(r) : box_selecting_rect.intersects(r);
if (in_box) {
if (should_be_selected) {
graph_element->set_selected(box_selection_mode_additive);
} else {
graph_element->set_selected(prev_selected.find(graph_element) != nullptr);
@ -1494,6 +1771,10 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) {
GraphElement *graph_element = Object::cast_to<GraphElement>(get_child(i));
if (graph_element && graph_element->is_selected()) {
graph_element->set_drag(false);
GraphFrame *frame = Object::cast_to<GraphFrame>(get_child(i));
if (frame) {
_set_drag_frame_attached_nodes(frame, false);
}
}
}
}
@ -1501,6 +1782,46 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) {
if (moving_selection) {
emit_signal(SNAME("end_node_move"));
moving_selection = false;
Vector<GraphElement *> dragged_nodes;
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphElement *moved_node = Object::cast_to<GraphElement>(get_child(i));
if (moved_node && moved_node->is_selected() && moved_node->is_draggable()) {
dragged_nodes.push_back(moved_node);
}
}
GraphFrame *frame_dropped_on = nullptr;
// Find frame on which the node(s) is/were dropped.
// Count down to find the topmost frame.
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphFrame *frame = Object::cast_to<GraphFrame>(get_child(i));
if (!frame || frame->is_resizing()) {
continue;
}
Rect2 frame_rect = frame->get_rect();
if (frame_rect.has_point(mb->get_position()) && !dragged_nodes.has(frame)) {
frame_dropped_on = frame;
break;
}
}
if (frame_dropped_on) {
dragged_nodes.erase(frame_dropped_on);
TypedArray<StringName> dragged_node_names;
for (GraphElement *moved_node : dragged_nodes) {
if (!linked_parent_map.has(moved_node->get_name())) {
dragged_node_names.push_back(moved_node->get_name());
}
}
if (dragged_node_names.size() > 0) {
emit_signal(SNAME("graph_elements_linked_to_frame_request"), dragged_node_names, frame_dropped_on->get_name());
}
}
}
dragging = false;
@ -1561,6 +1882,11 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) {
}
if (child_element->is_selected()) {
child_element->set_drag(true);
GraphFrame *frame_node = Object::cast_to<GraphFrame>(get_child(i));
if (frame_node) {
_ensure_node_order_from(frame_node);
_set_drag_frame_attached_nodes(frame_node, true);
}
}
}
@ -1636,12 +1962,12 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) {
TypedArray<StringName> nodes;
for (int i = 0; i < get_child_count(); i++) {
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
if (!gn) {
GraphElement *graph_element = Object::cast_to<GraphElement>(get_child(i));
if (!graph_element) {
continue;
}
if (gn->is_selected()) {
nodes.push_back(gn->get_name());
if (graph_element->is_selected()) {
nodes.push_back(graph_element->get_name());
}
}
@ -1926,6 +2252,58 @@ bool GraphEdit::is_valid_connection_type(int p_type, int p_with_type) const {
return valid_connection_types.has(ct);
}
void GraphEdit::attach_graph_element_to_frame(const StringName &p_graph_element, const StringName &p_parent_frame) {
GraphFrame *frame = Object::cast_to<GraphFrame>(get_node(NodePath(p_parent_frame)));
ERR_FAIL_NULL_MSG(frame, "Frame does not exist or is not of type GraphFrame.");
GraphElement *graph_element = Object::cast_to<GraphElement>(get_node(NodePath(p_graph_element)));
ERR_FAIL_NULL_MSG(graph_element, "Graph element to attach does not exist or is not of type GraphElement.");
ERR_FAIL_COND_MSG(frame == graph_element, "Cannot attach a frame to itself.");
linked_parent_map.insert(p_graph_element, p_parent_frame);
frame_attached_nodes[p_parent_frame].insert(p_graph_element);
_ensure_node_order_from_root(p_graph_element);
_update_graph_frame(frame);
}
void GraphEdit::detach_graph_element_from_frame(const StringName &p_graph_element) {
if (!linked_parent_map.has(p_graph_element)) {
return;
}
GraphFrame *frame = Object::cast_to<GraphFrame>(get_node(NodePath(linked_parent_map[p_graph_element])));
ERR_FAIL_NULL_MSG(frame, "Frame does not exist or is not of type GraphFrame.");
GraphElement *graph_element = Object::cast_to<GraphElement>(get_node(NodePath(p_graph_element)));
ERR_FAIL_NULL_MSG(graph_element, "Graph element to detach does not exist or is not of type GraphElement.");
frame_attached_nodes.get(frame->get_name()).erase(p_graph_element);
linked_parent_map.erase(p_graph_element);
_update_graph_frame(frame);
}
GraphFrame *GraphEdit::get_element_frame(const StringName &p_attached_graph_element) {
if (!linked_parent_map.has(p_attached_graph_element)) {
return nullptr;
}
Node *parent = get_node_or_null(NodePath(linked_parent_map[p_attached_graph_element]));
return Object::cast_to<GraphFrame>(parent);
}
TypedArray<StringName> GraphEdit::get_attached_nodes_of_frame(const StringName &p_graph_frame) {
if (!frame_attached_nodes.has(p_graph_frame)) {
return TypedArray<StringName>();
}
TypedArray<StringName> attached_nodes;
for (const StringName &node : frame_attached_nodes.get(p_graph_frame)) {
attached_nodes.push_back(node);
}
return attached_nodes;
}
void GraphEdit::set_snapping_enabled(bool p_enable) {
if (snapping_enabled == p_enable) {
return;
@ -2191,6 +2569,11 @@ void GraphEdit::_bind_methods() {
ClassDB::bind_method(D_METHOD("is_valid_connection_type", "from_type", "to_type"), &GraphEdit::is_valid_connection_type);
ClassDB::bind_method(D_METHOD("get_connection_line", "from_node", "to_node"), &GraphEdit::get_connection_line);
ClassDB::bind_method(D_METHOD("attach_graph_element_to_frame", "element", "frame"), &GraphEdit::attach_graph_element_to_frame);
ClassDB::bind_method(D_METHOD("detach_graph_element_from_frame", "element"), &GraphEdit::detach_graph_element_from_frame);
ClassDB::bind_method(D_METHOD("get_element_frame", "element"), &GraphEdit::get_element_frame);
ClassDB::bind_method(D_METHOD("get_attached_nodes_of_frame", "frame"), &GraphEdit::get_attached_nodes_of_frame);
ClassDB::bind_method(D_METHOD("set_panning_scheme", "scheme"), &GraphEdit::set_panning_scheme);
ClassDB::bind_method(D_METHOD("get_panning_scheme"), &GraphEdit::get_panning_scheme);
@ -2314,11 +2697,13 @@ void GraphEdit::_bind_methods() {
ADD_SIGNAL(MethodInfo("node_selected", PropertyInfo(Variant::OBJECT, "node", PROPERTY_HINT_RESOURCE_TYPE, "Node")));
ADD_SIGNAL(MethodInfo("node_deselected", PropertyInfo(Variant::OBJECT, "node", PROPERTY_HINT_RESOURCE_TYPE, "Node")));
ADD_SIGNAL(MethodInfo("frame_rect_changed", PropertyInfo(Variant::OBJECT, "frame", PROPERTY_HINT_RESOURCE_TYPE, "GraphFrame"), PropertyInfo(Variant::VECTOR2, "new_rect")));
ADD_SIGNAL(MethodInfo("popup_request", PropertyInfo(Variant::VECTOR2, "at_position")));
ADD_SIGNAL(MethodInfo("begin_node_move"));
ADD_SIGNAL(MethodInfo("end_node_move"));
ADD_SIGNAL(MethodInfo("graph_elements_linked_to_frame_request", PropertyInfo(Variant::ARRAY, "elements"), PropertyInfo(Variant::STRING_NAME, "frame")));
ADD_SIGNAL(MethodInfo("scroll_offset_changed", PropertyInfo(Variant::VECTOR2, "offset")));
BIND_ENUM_CONSTANT(SCROLL_ZOOMS);
@ -2374,7 +2759,7 @@ GraphEdit::GraphEdit() {
top_layer->connect("focus_exited", callable_mp(panner.ptr(), &ViewPanner::release_pan_key));
connections_layer = memnew(Control);
add_child(connections_layer, false, INTERNAL_MODE_FRONT);
add_child(connections_layer, false);
connections_layer->connect("draw", callable_mp(this, &GraphEdit::_update_connections));
connections_layer->set_name("_connection_layer");
connections_layer->set_disable_visibility_clip(true); // Necessary, so it can draw freely and be offset.