src/app/Theme.cpp

@@ -74,7 +74,7 @@ QTreeWidget, QListWidget, QTreeView, QListView {
     outline: none;
 }
 QTreeWidget::item, QListWidget::item, QTreeView::item, QListView::item {
-    padding: 8px 8px;
+    padding: 4px 8px;
     border-radius: 6px;
     margin: 1px 4px;
 }

src/app/panels/ObjectTreePanel.cpp

@@ -1,15 +1,11 @@
 #include "panels/ObjectTreePanel.hpp"
 
 #include <QLabel>
-#include <QModelIndex>
 #include <QSignalBlocker>
-#include <QStandardItem>
+#include <QTreeWidget>
-#include <QStandardItemModel>
+#include <QTreeWidgetItem>
-#include <QTreeView>
 #include <QVBoxLayout>
 
-#include <ElaTreeView.h>
-
 #include "Theme.hpp"
 #include "dto/NavDto.hpp"
 
@@ -19,16 +15,15 @@ namespace {
 // TM 节点把 tmObjectId 存在该角色；GS/项目根节点为空。
 constexpr int kRoleTmId = Qt::UserRole + 2;
 
-void addNodes(QStandardItem* parent, const std::vector<data::dto::StructTreeNode>& nodes) {
+void addNodes(QTreeWidgetItem* parent, const std::vector<data::dto::StructTreeNode>& nodes) {
     for (const auto& n : nodes) {
-        auto* item = new QStandardItem(QString::fromStdString(n.node.name));
+        auto* item = new QTreeWidgetItem(parent);
-        item->setEditable(false);
+        item->setText(0, QString::fromStdString(n.node.name));
         if (n.isTm) {
-            item->setData(QString::fromStdString(n.node.id), kRoleTmId);
+            item->setData(0, kRoleTmId, QString::fromStdString(n.node.id));
-            item->setCheckable(true);
+            item->setFlags(item->flags() | Qt::ItemIsUserCheckable);
-            item->setCheckState(Qt::Unchecked);  // 真实数据渲染下一轮接入，默认不勾
+            item->setCheckState(0, Qt::Unchecked);  // 真实数据渲染下一轮接入，默认不勾
         }
-        parent->appendRow(item);
         addNodes(item, n.children);
     }
 }
@@ -39,11 +34,10 @@ ObjectTreePanel::ObjectTreePanel(QWidget* parent) : QWidget(parent) {
     lay->setContentsMargins(0, 0, 0, 0);
     lay->setSpacing(0);
 
-    tree_ = new ElaTreeView(this);  // Fluent 树视图（自绘展开/折叠指示，随主题）
+    // Qt 原生标准树：复选框/展开箭头由 Fusion 绘制（明暗都清晰）；配色取自全局主题 QSS。
+    tree_ = new QTreeWidget(this);
     tree_->setHeaderHidden(true);
-    tree_->setIndentation(14);  // 默认缩进偏大，收紧更紧凑协调
+    tree_->setIndentation(14);  // 收紧缩进
-    model_ = new QStandardItemModel(tree_);
-    tree_->setModel(model_);
     lay->addWidget(tree_, 1);
 
     hint_ = new QLabel(QStringLiteral("正在加载对象…"), this);
@@ -52,22 +46,20 @@ ObjectTreePanel::ObjectTreePanel(QWidget* parent) : QWidget(parent) {
     hint_->setVisible(false);
     lay->addWidget(hint_);
 
-    // 单击 TM → tmClicked（按 index 取 tmId）。
+    QObject::connect(tree_, &QTreeWidget::itemClicked, this, [this](QTreeWidgetItem* item, int) {
-    QObject::connect(tree_, &QTreeView::clicked, this, [this](const QModelIndex& idx) {
+        const QString tmId = item->data(0, kRoleTmId).toString();
-        const QString tmId = idx.data(kRoleTmId).toString();
         if (!tmId.isEmpty()) emit tmClicked(tmId);
     });
-    // 勾选变化 → tmCheckToggled。
+    QObject::connect(tree_, &QTreeWidget::itemChanged, this, [this](QTreeWidgetItem* item, int) {
-    QObject::connect(model_, &QStandardItemModel::itemChanged, this, [this](QStandardItem* item) {
+        const QString tmId = item->data(0, kRoleTmId).toString();
-        const QString tmId = item->data(kRoleTmId).toString();
+        if (!tmId.isEmpty()) emit tmCheckToggled(tmId, item->checkState(0) == Qt::Checked);
-        if (!tmId.isEmpty()) emit tmCheckToggled(tmId, item->checkState() == Qt::Checked);
     });
 }
 
 void ObjectTreePanel::setStructure(const QString& projectName,
                                    const std::vector<data::StructNode>& nodes) {
-    const QSignalBlocker block(model_);  // 重建触发 itemChanged，先屏蔽
+    const QSignalBlocker block(tree_);  // 重建触发 itemChanged，先屏蔽
-    model_->clear();
+    tree_->clear();
     const auto roots = data::dto::buildStructTree(nodes);
     if (roots.empty()) {
         showMessage(projectName.isEmpty() ? QStringLiteral("（暂无项目）")
@@ -76,12 +68,12 @@ void ObjectTreePanel::setStructure(const QString& projectName,
     }
     hint_->setVisible(false);
     tree_->setVisible(true);
-    addNodes(model_->invisibleRootItem(), roots);  // 结构已含项目根节点，直接渲染
+    addNodes(tree_->invisibleRootItem(), roots);  // 结构已含项目根节点，直接渲染
     tree_->expandAll();
 }
 
 void ObjectTreePanel::showMessage(const QString& message) {
-    model_->clear();
+    tree_->clear();
     tree_->setVisible(false);
     hint_->setText(message);
     hint_->setVisible(true);

src/app/panels/ObjectTreePanel.hpp

@@ -3,8 +3,7 @@
 #include <vector>
 #include "repo/RepoTypes.hpp"
 
-class QTreeView;
+class QTreeWidget;
-class QStandardItemModel;
 class QLabel;
 
 namespace geopro::app {
@@ -25,8 +24,7 @@ signals:
     void tmCheckToggled(const QString& tmObjectId, bool checked);
 
 private:
-    QTreeView* tree_ = nullptr;            // ElaTreeView(继承 QTreeView)
+    QTreeWidget* tree_ = nullptr;  // Qt 原生标准树（复选框/箭头由 Fusion 绘制，清晰可控）
-    QStandardItemModel* model_ = nullptr;  // 标准 model(Qt 自带)
     QLabel* hint_ = nullptr;
 };