#include <QApplication>
#include <QMainWindow>
#include <QDockWidget>
#include <QLabel>

class MainWindow : public QMainWindow
{
public:
	MainWindow(QWidget* parent = nullptr) : QMainWindow(parent)
	{
		setDockOptions(AnimatedDocks | AllowTabbedDocks | GroupedDragging);

		setCentralWidget(new QLabel{ "Central Widget" });

		QDockWidget* dock1 = new QDockWidget{ "Dock1", this };
		dock1->setWidget(new QLabel{ "Dock1 Widget" });

		QDockWidget* dock2 = new QDockWidget{ "Dock2", this };
		dock2->setWidget(new QLabel{ "Dock2 Widget" });

		addDockWidget(Qt::LeftDockWidgetArea, dock1);
		addDockWidget(Qt::BottomDockWidgetArea, dock2);

		resize(800, 600);

		return;
	}
};


int main(int argc, char* argv[])
{
	QApplication app(argc, argv);

	MainWindow* w = new MainWindow;
	w->show();

	return app.exec();;
}