#include <QApplication>
#include <QTextEdit>

class Label : public QTextEdit
{
public:
	Label()
	{
		startTimer(1000);
	}
	
protected:
	void timerEvent(QTimerEvent*)
	{
		insertPlainText("windowState: " + QString::number(windowState()) + "\n");
	}
	
    void changeEvent(QEvent* e)
    {
		switch (e->type())
		{
		case QEvent::WindowStateChange:
			insertPlainText("changeEvent: " + QString::number(windowState()) + "\n");
			break;
		}
    }
};

int main(int argc, char** argv)
{
	QApplication app(argc, argv);
	Label label;
	label.show();	
	return app.exec();
}