fix window resize/move issues

src/wndproc.c

@@ -781,6 +781,43 @@ LRESULT CALLBACK fake_WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
     {
         break;
     }
+    /* button up messages reactivate cursor lock */
+    case WM_LBUTTONUP:
+    case WM_RBUTTONUP:
+    case WM_MBUTTONUP:
+    {
+        if (!g_config.devmode && !g_mouse_locked)
+        {
+            InterlockedExchange((LONG*)&g_ddraw.cursor.x, GET_X_LPARAM(lParam));
+            InterlockedExchange((LONG*)&g_ddraw.cursor.y, GET_Y_LPARAM(lParam));
+
+            mouse_lock();
+            return 0;
+        }
+
+        break;
+    }
+    /* down messages are ignored if we have no cursor lock */
+    case WM_XBUTTONDBLCLK:
+    case WM_XBUTTONDOWN:
+    case WM_XBUTTONUP:
+    case WM_MOUSEWHEEL:
+    case WM_MOUSEHOVER:
+    case WM_LBUTTONDBLCLK:
+    case WM_MBUTTONDBLCLK:
+    case WM_RBUTTONDBLCLK:
+    case WM_LBUTTONDOWN:
+    case WM_RBUTTONDOWN:
+    case WM_MBUTTONDOWN:
+    case WM_MOUSEMOVE:
+    {
+        if (!g_config.devmode && !g_mouse_locked)
+        {
+            return 0;
+        }
+
+        break;
+    }
     case WM_PARENTNOTIFY:
     {
         switch (LOWORD(wParam))