#include <QtGui>
#include <QtWidgets>

int main(int argc, char** argv)
{
    QApplication app(argc, argv);
    QWidget widget;

	QSlider *wid = new QSlider(Qt::Horizontal, &widget);
	wid->setMaximumWidth(wid->sizeHint().width());		//[50, 133, 133]
	
	QPushButton *button = new QPushButton("Grid item #1", &widget);
	
#if 1
    QGridLayout *grid = new QGridLayout(&widget);
    grid->addWidget(wid, 0, 0);
    grid->addWidget(button, 0, 1);
#else
    QHBoxLayout *hbox = new QHBoxLayout(&widget);
    hbox->addWidget(wid);
    hbox->addWidget(button);
#endif
	
    widget.show();
	
	return app.exec();
}