message: applied modifier mask to the state
diff: @@ -1881,6 +1881,7 @@ static gboolean icvOnMouse( GtkWidget *widget, GdkEvent *event, gpointer user_da
  (unsigned)pt.y < (unsigned)(image_widget->original_image->height)
  ))
  {
  + state &= gtk_accelerator_get_default_mod_mask();
  flags |= BIT_MAP(state, GDK_SHIFT_MASK, CV_EVENT_FLAG_SHIFTKEY) |
  BIT_MAP(state, GDK_CONTROL_MASK, CV_EVENT_FLAG_CTRLKEY) |
  BIT_MAP(state, GDK_MOD1_MASK, CV_EVENT_FLAG_ALTKEY) |
  