From ba50ece48a4b95563031f1dacffd3e04f89d952f Mon Sep 17 00:00:00 2001
From: LAPTOP-SNT8I5JK\Boounion <Chenluhua@qq.com>
Date: 星期四, 21 八月 2025 05:25:41 +0800
Subject: [PATCH] 1.完善可折叠列表；
---
SourceCode/Bond/Servo/CExpandableListCtrl.h | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 58 insertions(+), 0 deletions(-)
diff --git a/SourceCode/Bond/Servo/CExpandableListCtrl.h b/SourceCode/Bond/Servo/CExpandableListCtrl.h
new file mode 100644
index 0000000..57d606d
--- /dev/null
+++ b/SourceCode/Bond/Servo/CExpandableListCtrl.h
@@ -0,0 +1,58 @@
+#pragma once
+#include <vector>
+#include <memory>
+
+class CExpandableListCtrl : public CListCtrl
+{
+ DECLARE_DYNAMIC(CExpandableListCtrl)
+
+public:
+ struct Node {
+ Node* parent = nullptr;
+ std::vector<std::unique_ptr<Node>> children;
+ std::vector<CString> cols; // 各列文本
+ bool expanded = false;
+ int level = 0; // 缩进层级
+
+ Node(int nCols = 1) : cols(nCols) {}
+ };
+
+ CExpandableListCtrl();
+ virtual ~CExpandableListCtrl();
+
+ // 数据构建
+ Node* InsertRoot(const std::vector<CString>& cols);
+ Node* InsertChild(Node* parent, const std::vector<CString>& cols);
+
+ // 展开/折叠
+ void Expand(Node* n);
+ void Collapse(Node* n);
+ void Toggle(Node* n);
+
+ // 刷新可见列表
+ void RebuildVisible();
+
+ // 便捷：通过可见行号取 Node*
+ Node* GetNodeByVisibleIndex(int i) const;
+
+private:
+ void appendVisible(Node* n);
+ CRect expanderRectForRow(int row) const; // 首列展开按钮区域
+ virtual void PreSubclassWindow();
+
+protected:
+ // 消息
+ afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
+ afx_msg void OnClick(NMHDR* pNMHDR, LRESULT* pResult);
+ afx_msg void OnCustomDraw(NMHDR* pNMHDR, LRESULT* pResult);
+ DECLARE_MESSAGE_MAP()
+
+private:
+ std::vector<std::unique_ptr<Node>> m_roots; // 顶层节点
+ std::vector<Node*> m_visible; // 展开后的可见节点顺序
+ int m_expanderPadding = 6; // 首列内侧边距
+ int m_expanderSize = 10; // 小三角/方块大小
+ int m_textGap = 6;
+};
+
+
--
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