Function FOR_EACH_TOP_LEVEL_WIDGET

dgl/src/WindowPrivateData.cpp:678–691

#ifndef DPF_TEST_WINDOW_CPP
    FOR_EACH_TOP_LEVEL_WIDGET(it)
    {
        TopLevelWidget* const widget = *it;

        /* Some special care here, we call Widget::setSize instead of the TopLevelWidget one.
         * This is because we want TopLevelWidget::setSize to handle both window and widget size,
         * but we dont want to change window size here, because we are the window..
         * So we just call the Widget specific method manually.
         *
         * Alternatively, we could expose a resize function on the pData, like done with the display function.
         * But there is nothing extra we need to do in there, so this works fine.
         */
        ((Widget*)widget)->setSize(uwidth, uheight);
    }
#endif

    // always repaint after a resize