tab切换，改变LayerTreeModel的setCurrentIndex

HPPA/HPPA.cpp

@@ -1334,6 +1334,41 @@ void HPPA::onTabWidgetCurrentChanged(int index)//代码新建一个tab，会调
     {
         canvas->setMapTool(activeTool);
     }
+
+	// Sync layer tree view selection with the current tab
+	if (m_MapLayerStore && m_layerTreeView && m_LayerTreeModel && m_RasterGroup)
+	{
+		MapLayer* layer = m_MapLayerStore->layerForWidget(currentWidget);
+		if (layer)
+		{
+			// Find the LayerTreeLayer node in m_RasterGroup that matches this layer
+			for (int i = 0; i < m_RasterGroup->childCount(); ++i)
+			{
+				LayerTreeNode* child = m_RasterGroup->childAt(i);
+				if (child && child->type() == LayerTreeNode::Type::Layer)
+				{
+					auto* layerNode = static_cast<LayerTreeLayer*>(child);
+					if (layerNode->mapLayer() == layer)
+					{
+						QModelIndex nodeIndex = m_LayerTreeModel->index(i, 0,
+							m_LayerTreeModel->index(m_RasterGroup->rowInParent(), 0));
+						// Block signals to avoid infinite loop with onLayerTreeSelectionChanged
+						m_layerTreeView->selectionModel()->blockSignals(true);
+						m_layerTreeView->setCurrentIndex(nodeIndex);
+						m_layerTreeView->selectionModel()->blockSignals(false);
+
+						// Manually update ImageControl since we blocked the signal
+						RasterLayer* rl = qobject_cast<RasterLayer*>(layer);
+						if (rl)
+						{
+							m_ic->setActiveLayer(rl);
+						}
+						break;
+					}
+				}
+			}
+		}
+	}
 }
 
 void HPPA::onActionOpenDirectory()

HPPA/MapLayerStore.cpp

@@ -81,3 +81,12 @@ QWidget* MapLayerStore::widgetForLayer(const QString& absolutePath) const
     }
     return nullptr;
 }
+
+MapLayer* MapLayerStore::layerForWidget(QWidget* widget) const
+{
+    if (!widget) return nullptr;
+    for (const auto& kv : m_layerWidgets) {
+        if (kv.second == widget) return kv.first;
+    }
+    return nullptr;
+}

HPPA/MapLayerStore.h

@@ -35,6 +35,9 @@ public slots:
     // Get associated widget by layer absolute data path
     QWidget* widgetForLayer(const QString& absolutePath) const;
 
+    // Reverse lookup: find the MapLayer associated with a given widget (or nullptr)
+    MapLayer* layerForWidget(QWidget* widget) const;
+
 signals:
     void layerAdded(MapLayer* layer);
     // Emitted just before the layer is destroyed/removed from store