[feat] support manually remove tray icon.

Author: hui-shao

README.md

@@ -22,6 +22,8 @@ language: **EN** | [中文](./README_CN.md)
 
 6. When the main program exits, all hidden windows will be restored to visible and all related tray icons will be deleted.
 
+7. To manually remove a tray icon: Hold down Ctrl and double-click the icon. The corresponding window will be visible again and will no longer be automatically hidden.
+
 ### Other matters
 
 + Currently, the main window of this program has no content and is blank. This is normal.

README_CN.md

@@ -22,6 +22,8 @@ language: [EN](./README_CN.md) | **中文**
 
 6. 当主程序退出时，会将所有被隐藏的窗口恢复为可见，并删除所有相关的托盘图标。
 
+7. 如需手动移除某个托盘图标：按住 Ctrl，左键双击相应的图标即可。其对应的窗口将恢复可见，且不再自动隐藏。
+
 ### 其他事项
 
 + 目前，本程序的主窗口并没有什么内容，是一片空白，这是正常的。

src/TrayIconManager.cpp

@@ -67,7 +67,23 @@ void TrayIconManager::HandleTrayIconMessage(WPARAM wParam, LPARAM lParam)
     }
     else if (lParam == WM_LBUTTONDBLCLK)
     {
-        if (wParam == nidMain.uID) ShowWindow(nidMain.hWnd, SW_RESTORE); // 双击主程序托盘图标时，显示窗口
-        else WindowManager::ToggleWindowVisibilityByTrayIconId(static_cast<UINT>(wParam)); // 双击被隐藏程序的托盘图标时，切换窗口显示状态
+        if (GetKeyState(VK_CONTROL) & 0x8000) // Ctrl+双击托盘图标，移除对应的托盘图标，并显示窗口
+        {
+            for (auto& [hwnd, nid, manuallyShown] : WindowManager::hiddenWindows)
+            {
+                if (nid.uID == wParam) // 根据 nid 找到对应的被隐藏窗口
+                {
+                    manuallyShown = true; // 标记为手动显示，防止被意外隐藏
+                    ShowWindow(hwnd, SW_SHOW);
+                    Shell_NotifyIconW(NIM_DELETE, &nid);
+                    break;
+                }
+            }
+        }
+        else // Ctrl未按下，双击托盘图标，切换窗口可见性
+        {
+            if (wParam == nidMain.uID) ShowWindow(nidMain.hWnd, IsWindowVisible(nidMain.hWnd) ? SW_HIDE : SW_SHOW);
+            else WindowManager::ToggleWindowVisibilityByTrayIconId(static_cast<UINT>(wParam)); // 双击被隐藏程序的托盘图标时，切换窗口显示状态
+        }
     }
 }