timeline/various: implemented block copy/paste

Implemented the ability to copy/paste blocks/clips in the timeline. This did require some large scale changes and reworking of the copy/paste system introduced a few commits ago, but should be largely functional now.
2020-03-31 02:19:05 +11:00
parent 67d8ad571d
commit 2bda306866
35 changed files with 466 additions and 233 deletions
@@ -513,103 +513,14 @@ void Core::SetAutorecoveryInterval(int minutes)
  autorecovery_timer_.setInterval(minutes * 60000);
 }

-void Core::CopyNodesToClipboard(const QList<Node *> &nodes)
+void Core::CopyStringToClipboard(const QString &s)
 {
-  QString copy_str;
-
-  QXmlStreamWriter writer(&copy_str);
-  writer.setAutoFormatting(true);
-
-  writer.writeStartDocument();
-  writer.writeStartElement(QStringLiteral("olive"));
-
-  foreach (Node* n, nodes) {
-    n->Save(&writer);
-  }
-
-  writer.writeEndElement(); // clipboard
-  writer.writeEndDocument();
-
-  QGuiApplication::clipboard()->setText(copy_str);
+  QGuiApplication::clipboard()->setText(s);
 }

-QList<Node*> Core::PasteNodesFromClipboard(Sequence *graph)
+QString Core::PasteStringFromClipboard()
 {
-  QString clipboard = QGuiApplication::clipboard()->text();
-
-  if (clipboard.isEmpty()) {
-    return QList<Node*>();
-  }
-
-  QXmlStreamReader reader(clipboard);
-
-  QList<Node*> pasted_nodes;
-  QHash<quintptr, NodeOutput*> output_ptrs;
-  QList<NodeParam::SerializedConnection> desired_connections;
-  QList<NodeInput::FootageConnection> footage_connections;
-
-  while (XMLReadNextStartElement(&reader)) {
-    if (reader.name() == QStringLiteral("olive")) {
-      while (XMLReadNextStartElement(&reader)) {
-        if (reader.name() == QStringLiteral("node")) {
-          Node* node = XMLLoadNode(&reader);
-
-          if (node) {
-            node->Load(&reader, output_ptrs, desired_connections, footage_connections, nullptr);
-
-            graph->AddNode(node);
-
-            pasted_nodes.append(node);
-          }
-        } else {
-          reader.skipCurrentElement();
-        }
-      }
-    } else {
-      reader.skipCurrentElement();
-    }
-  }
-
-  // Make connections
-  if (!desired_connections.isEmpty()) {
-    XMLConnectNodes(output_ptrs, desired_connections);
-  }
-
-  // Connect footage to existing footage if it exists
-  if (!footage_connections.isEmpty()) {
-    // Get list of all footage from project
-    // FIXME: Assumes sequence
-    QList<ItemPtr> footage = graph->project()->get_items_of_type(Item::kFootage);
-
-    if (!footage.isEmpty()) {
-      foreach (const NodeInput::FootageConnection& con, footage_connections) {
-        if (con.footage) {
-          // Assume this is a pointer to a Stream*
-          Stream* loaded_stream = reinterpret_cast<Stream*>(con.footage);
-
-          bool found = false;
-
-          foreach (ItemPtr item, footage) {
-            const QList<StreamPtr>& streams = std::static_pointer_cast<Footage>(item)->streams();
-
-            foreach (StreamPtr s, streams) {
-              if (s.get() == loaded_stream) {
-                con.input->set_standard_value(QVariant::fromValue(s));
-                found = true;
-                break;
-              }
-            }
-
-            if (found) {
-              break;
-            }
-          }
-        }
-      }
-    }
-  }
-
-  return pasted_nodes;
+  return QGuiApplication::clipboard()->text();
 }

 bool Core::SaveActiveProject()