engine: internals supporting the facade migration

UndoStack push_pre_executed, FolderAddChild-based true folder moves, NodeViewDeleteCommand delete-then-reconnect support, event emission points for the facade event bus, and related internal adjustments.
2026-07-26 22:43:09 +08:00
parent e9f173916f
commit f95590e924
38 changed files with 302 additions and 746 deletions
@@ -0,0 +1,198 @@
+/*
+ * Oak Video Editor - Non-Linear Video Editor
+ * Copyright (C) 2025 Olive CE Team
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "serializedlayoutinfo.h"
+
+namespace olive
+{
+
+void SerializedLayoutInfo::to_xml(QXmlStreamWriter *writer) const
+{
+	writer->writeAttribute(QStringLiteral("version"),
+						   QString::number(k_version));
+
+	writer->writeStartElement(QStringLiteral("folders"));
+
+	foreach (Folder *folder, open_folders) {
+		writer->writeTextElement(
+			QStringLiteral("folder"),
+			QString::number(reinterpret_cast<quintptr>(folder)));
+	}
+
+	writer->writeEndElement(); // folders
+
+	writer->writeStartElement(QStringLiteral("timeline"));
+
+	foreach (Sequence *sequence, open_sequences) {
+		writer->writeTextElement(
+			QStringLiteral("sequence"),
+			QString::number(reinterpret_cast<quintptr>(sequence)));
+	}
+
+	writer->writeEndElement(); // timeline
+
+	writer->writeStartElement(QStringLiteral("viewers"));
+
+	foreach (ViewerOutput *viewer, open_viewers) {
+		writer->writeTextElement(
+			QStringLiteral("viewer"),
+			QString::number(reinterpret_cast<quintptr>(viewer)));
+	}
+
+	writer->writeEndElement(); // viewers
+
+	writer->writeStartElement(QStringLiteral("data"));
+
+	for (auto it = panel_data.cbegin(); it != panel_data.cend(); it++) {
+		writer->writeStartElement(QStringLiteral("panel"));
+
+		writer->writeAttribute(QStringLiteral("id"), it->first);
+
+		const PanelLayoutInfo &info = it->second;
+		for (auto jt = info.cbegin(); jt != info.cend(); jt++) {
+			writer->writeStartElement(QStringLiteral("option"));
+
+			writer->writeAttribute(QStringLiteral("name"), jt->first);
+
+			writer->writeCharacters(jt->second);
+
+			writer->writeEndElement(); // option
+		}
+
+		writer->writeEndElement(); // panel
+	}
+
+	writer->writeEndElement(); // data
+
+	writer->writeTextElement(QStringLiteral("state"),
+							 QString(state.toBase64()));
+}
+
+SerializedLayoutInfo
+SerializedLayoutInfo::from_xml(QXmlStreamReader *reader,
+							  const QHash<quintptr, Node *> &node_ptrs)
+{
+	SerializedLayoutInfo info;
+
+	unsigned int file_version = 0;
+
+	XMLAttributeLoop(reader, attr)
+	{
+		if (attr.name() == QStringLiteral("version")) {
+			file_version = attr.value().toUInt();
+		}
+	}
+
+	// Really basic version checking, in the future we may use this to parse multiple versions
+	if (file_version != k_version) {
+	}
+
+	while (xml_read_next_start_element(reader)) {
+		if (reader->name() == QStringLiteral("folders")) {
+			while (xml_read_next_start_element(reader)) {
+				if (reader->name() == QStringLiteral("folder")) {
+					quintptr item_id = reader->readElementText().toULongLong();
+
+					Folder *open_item =
+						static_cast<Folder *>(node_ptrs.value(item_id));
+					info.open_folders.push_back(open_item);
+				} else {
+					reader->skipCurrentElement();
+				}
+			}
+
+		} else if (reader->name() == QStringLiteral("timeline")) {
+			while (xml_read_next_start_element(reader)) {
+				if (reader->name() == QStringLiteral("sequence")) {
+					quintptr item_id = reader->readElementText().toULongLong();
+
+					Sequence *open_seq =
+						static_cast<Sequence *>(node_ptrs.value(item_id));
+					info.open_sequences.push_back(open_seq);
+				} else {
+					reader->skipCurrentElement();
+				}
+			}
+
+		} else if (reader->name() == QStringLiteral("viewers")) {
+			while (xml_read_next_start_element(reader)) {
+				if (reader->name() == QStringLiteral("viewer")) {
+					quintptr item_id = reader->readElementText().toULongLong();
+
+					ViewerOutput *open_viewer =
+						static_cast<ViewerOutput *>(node_ptrs.value(item_id));
+					info.open_viewers.push_back(open_viewer);
+				} else {
+					reader->skipCurrentElement();
+				}
+			}
+
+		} else if (reader->name() == QStringLiteral("state")) {
+			info.state =
+				QByteArray::fromBase64(reader->readElementText().toLatin1());
+
+		} else if (reader->name() == QStringLiteral("data")) {
+			while (xml_read_next_start_element(reader)) {
+				if (reader->name() == QStringLiteral("panel")) {
+					QString id;
+					XMLAttributeLoop(reader, attr)
+					{
+						if (attr.name() == QStringLiteral("id")) {
+							id = attr.value().toString();
+						}
+					}
+
+					if (!id.isEmpty()) {
+						PanelLayoutInfo i;
+
+						while (xml_read_next_start_element(reader)) {
+							if (reader->name() == QStringLiteral("option")) {
+								QString name;
+
+								XMLAttributeLoop(reader, attr)
+								{
+									if (attr.name() == QStringLiteral("name")) {
+										name = attr.value().toString();
+									}
+								}
+
+								if (!name.isEmpty()) {
+									i[name] = reader->readElementText();
+								}
+							} else {
+								reader->skipCurrentElement();
+							}
+						}
+
+						info.panel_data[id] = i;
+					}
+
+				} else {
+					reader->skipCurrentElement();
+				}
+			}
+
+		} else {
+			reader->skipCurrentElement();
+		}
+	}
+
+	return info;
+}
+
+}