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reimplemented edge connect/disconnect

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This commit is contained in:
itsmattkc
2021-11-12 11:51:13 -08:00
parent 3c6bc80c8f
commit 854ca0a7a9
7 changed files with 75 additions and 82 deletions
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app/widget/nodeview/nodeview.cpp
+16 -19
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@@ -473,30 +473,27 @@ void NodeView::mousePressEvent(QMouseEvent *event)
{
if (HandPress(event)) return;
QGraphicsItem* item = itemAt(event->pos());
if (event->button() == Qt::LeftButton) {
// See if we're dragging the arrow of an edge
QPointF scene_pt = mapToScene(event->pos());
for (NodeViewEdge *edge_item : scene_.edges()) {
if (edge_item->arrow_bounding_rect().contains(scene_pt)) {
create_edge_src_ = scene_.NodeToUIObject(edge_item->output());
create_edge_ = edge_item;
create_edge_already_exists_ = true;
// Determine if user clicked on a connector
if (NodeViewItemConnector *connector = dynamic_cast<NodeViewItemConnector *>(item)) {
NodeViewItem *attached_item = static_cast<NodeViewItem*>(connector->parentItem());
if (connector->IsOutput()) {
CreateNewEdge(attached_item, event->pos());
return;
}
}
// See if we're dragging the arrow of a node
for (NodeViewItem *node_item : scene_.item_map()) {
if (node_item->GetOutputTriangle().boundingRect().translated(node_item->pos()).contains(scene_pt)) {
CreateNewEdge(node_item, event->pos());
} else {
NodeViewEdge *edge_item = attached_item->GetEdgeFromInputConnector(connector);
if (edge_item) {
create_edge_src_ = edge_item->from_item();
create_edge_ = edge_item;
create_edge_already_exists_ = true;
}
return;
}
}
}
QGraphicsItem* item = itemAt(event->pos());
if (event->button() == Qt::RightButton) {
if (!item || !item->isSelected()) {
// Qt doesn't do this by default for some reason
@@ -668,13 +665,13 @@ void NodeView::mouseReleaseEvent(QMouseEvent *event)
}
// Update contexts
if (!removed_edges.empty()) {
/*if (!removed_edges.empty()) {
UpdateContextsFromEdgeRemove(command, removed_edges);
}
if (added_edge.first) {
UpdateContextsFromEdgeAdd(command, added_edge, removed_edges);
}
}*/
Core::instance()->undo_stack()->pushIfHasChildren(command);
return;