Feat: draggable splitter bar to resize host list and message log proportions

server/2015Remote/2015RemoteDlg.h

@@ -118,6 +118,20 @@ struct PendingTransferV2 {
 extern std::map<uint64_t, PendingTransferV2> g_pendingTransfersV2;
 extern std::mutex g_pendingTransfersV2Mtx;
 
+
+class CSplitterBar : public CWnd {
+public:
+    BOOL Create(CWnd* pParent);
+    DECLARE_MESSAGE_MAP()
+protected:
+    bool m_bDragging = false;
+    afx_msg void OnLButtonDown(UINT nFlags, CPoint pt);
+    afx_msg void OnMouseMove(UINT nFlags, CPoint pt);
+    afx_msg void OnLButtonUp(UINT nFlags, CPoint pt);
+    afx_msg BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message);
+    afx_msg void OnPaint();
+};
+
 // CMy2015RemoteDlg 对话框
 class CMy2015RemoteDlg : public CDialogLangEx
 {
@@ -319,6 +333,8 @@ public:
     std::vector<int> m_PendingOffline;  // 存储端口号
     CListCtrlEx m_CList_Online;
     CListCtrl   m_CList_Message;
+    CSplitterBar m_SplitterBar;
+    int m_nSplitPos = 160;  // 消息区高度（像素），可拖动调整
     std::vector<context*> m_HostList;              // 虚拟列表数据源（全部客户端）
     std::unordered_map<uint64_t, size_t> m_ClientIndex;  // clientID -> m_HostList 索引映射
     std::vector<size_t> m_FilteredIndices;         // 当前分组过滤后的索引列表
@@ -612,4 +628,6 @@ public:
     afx_msg void OnMenuUncompress();
     afx_msg void OnUninstallSoftware();
     afx_msg void OnViewHideLog();
+    afx_msg LRESULT OnSplitterMoved(WPARAM wParam, LPARAM lParam);
+    afx_msg LRESULT OnSplitterReleased(WPARAM wParam, LPARAM lParam);
 };