--- a/gdk/win32/gdkwindow-win32.c +++ b/gdk/win32/gdkwindow-win32.c @@ -2767,6 +2767,10 @@ _gdk_windowing_window_at_pointer (GdkDisplay *display, * WindowFromPoint() can find our windows, we follow similar logic * here, and ignore invisible and disabled windows. */ + UINT cwp_flags = CWP_SKIPDISABLED | + CWP_SKIPINVISIBLE | + CWP_SKIPTRANSPARENT; + hwnd = GetDesktopWindow (); do { window = gdk_win32_handle_table_lookup ((GdkNativeWindow) hwnd); @@ -2777,8 +2781,7 @@ _gdk_windowing_window_at_pointer (GdkDisplay *display, break; screen_to_client (hwnd, screen_pt, &client_pt); - hwndc = ChildWindowFromPointEx (hwnd, client_pt, CWP_SKIPDISABLED | - CWP_SKIPINVISIBLE); + hwndc = ChildWindowFromPointEx (hwnd, client_pt, cwp_flags); /* Verify that we're really inside the client area of the window */ if (hwndc != hwnd) @@ -2789,6 +2792,8 @@ _gdk_windowing_window_at_pointer (GdkDisplay *display, hwndc = hwnd; } + /* Only ignore top-level transparent windows */ + cwp_flags &= ~CWP_SKIPTRANSPARENT; } while (hwndc != hwnd && (hwnd = hwndc, 1)); }