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src/gui/PipeWireGraphModel.cpp

@@ -549,6 +549,9 @@ void PipeWireGraphModel::autoArrange()
 void PipeWireGraphModel::loadLayout()
 {
     m_layoutByStableId.clear();
+    m_hasViewState = false;
+    m_hasSplitterSizes = false;
+    m_splitterSizes.clear();
     const QString path = layoutFilePath();
     if (path.isEmpty()) {
         return;
@@ -578,6 +581,19 @@ void PipeWireGraphModel::loadLayout()
             m_viewCenter = QPointF(x, y);
             m_hasViewState = true;
         }
+
+        const QJsonArray splitter = root.value("splitter").toArray();
+        if (!splitter.isEmpty()) {
+            QList<int> sizes;
+            sizes.reserve(splitter.size());
+            for (const auto &value : splitter) {
+                sizes.append(value.toInt());
+            }
+            if (!sizes.isEmpty()) {
+                m_splitterSizes = sizes;
+                m_hasSplitterSizes = true;
+            }
+        }
     }
 }
 
@@ -786,6 +802,13 @@ void PipeWireGraphModel::writeLayoutToFile(const QString &path) const
     view["center_x"] = m_viewCenter.x();
     view["center_y"] = m_viewCenter.y();
     root["view"] = view;
+    if (m_hasSplitterSizes && !m_splitterSizes.isEmpty()) {
+        QJsonArray splitter;
+        for (const auto size : m_splitterSizes) {
+            splitter.append(size);
+        }
+        root["splitter"] = splitter;
+    }
 
     QFile file(path);
     QDir().mkpath(QFileInfo(path).absolutePath());
@@ -826,4 +849,20 @@ bool PipeWireGraphModel::viewState(double &scale, QPointF &center) const
     center = m_viewCenter;
     return true;
 }
+
+void PipeWireGraphModel::setSplitterSizes(const QList<int> &sizes)
+{
+    m_splitterSizes = sizes;
+    m_hasSplitterSizes = !sizes.isEmpty();
+}
+
+bool PipeWireGraphModel::splitterSizes(QList<int> &sizes) const
+{
+    if (!m_hasSplitterSizes) {
+        return false;
+    }
+
+    sizes = m_splitterSizes;
+    return !sizes.isEmpty();
+}
  #include <QtNodes/StyleCollection>