Revert "messing with making the drag recy not a child. That did nothing"

This reverts commit dfcdefddee.

src/cascadia/WindowsTerminal/NonClientIslandWindow.cpp

@@ -114,6 +114,37 @@ LRESULT NonClientIslandWindow::_InputSinkMessageHandler(UINT const message, WPAR
     case WM_RBUTTONUP:
         nonClientMessage = WM_NCRBUTTONUP;
         break;
+    case WM_NCHITTEST:
+    {
+        const til::rectangle rect{ _GetDragAreaRect() };
+
+        const POINT screenPt{ GET_X_LPARAM(lparam), GET_Y_LPARAM(lparam) };
+        POINT clientPt{ screenPt };
+        ScreenToClient(_dragBarWindow.get(), &clientPt);
+        const til::point p{ clientPt };
+        auto contains = rect.contains(p);
+        // if (!rect.contains(p))
+        // {
+        //     return HTTRANSPARENT;
+        // }
+        // else
+        // {
+        //     return HTCLIENT;
+        // }
+        p;
+        rect;
+        contains;
+        auto mainDefResult = DefWindowProc(_window.get(), message, wparam, lparam);
+        auto dragDefResult = DefWindowProc(_dragBarWindow.get(), message, wparam, lparam);
+        LRESULT dragDwmResult = 0;
+        LRESULT mainDwmResult = 0;
+        DwmDefWindowProc(_window.get(), message, wparam, lparam, &mainDwmResult);
+        DwmDefWindowProc(_dragBarWindow.get(), message, wparam, lparam, &dragDwmResult);
+        dragDefResult;
+        mainDefResult;
+        // // break;
+        return HTTRANSPARENT;
+    }
     }
 
     if (nonClientMessage.has_value())
@@ -135,6 +166,7 @@ LRESULT NonClientIslandWindow::_InputSinkMessageHandler(UINT const message, WPAR
     }
 
     return DefWindowProc(_dragBarWindow.get(), message, wparam, lparam);
+    // return DefWindowProc(_window.get(), message, wparam, lparam);
 }
 
 // Method Description:
@@ -143,13 +175,15 @@ LRESULT NonClientIslandWindow::_InputSinkMessageHandler(UINT const message, WPAR
 void NonClientIslandWindow::_ResizeDragBarWindow() noexcept
 {
     const til::rectangle rect{ _GetDragAreaRect() };
+    const til::rectangle windowRect{ GetWindowRect() };
+    int remainderOfWindow = windowRect.width<int>() - rect.left<int>();
     if (_IsTitlebarVisible() && rect.size().area() > 0)
     {
         SetWindowPos(_dragBarWindow.get(),
                      HWND_TOP,
-                     rect.left<int>(),
+                     rect.left<int>(), // 0,
                      rect.top<int>() + _GetTopBorderHeight(),
-                     rect.width<int>(),
+                     remainderOfWindow, // rect.width<int>(), // windowRect.width<int>(),
                      rect.height<int>(),
                      SWP_NOACTIVATE | SWP_SHOWWINDOW);
         SetLayeredWindowAttributes(_dragBarWindow.get(), 0, 255, LWA_ALPHA);
@@ -588,6 +622,7 @@ int NonClientIslandWindow::_GetResizeHandleHeight() const noexcept
     }
 
     return HTCAPTION;
+    // return HTTRANSPARENT;
 }
 
 // Method Description: