#include "qtmemleak2.h"

QtMemLeak2::QtMemLeak2(QWidget *parent) : QMainWindow(parent) {
	treeView.setModel(&standardModel);
	connect(&timer, SIGNAL(timeout()), this, SLOT(switchModel()));
	timer.start(0);
}

// deletes old selection model, as described in docs http://doc.qt.io/qt-5/qabstractitemview.html#setModel
void QtMemLeak2::mySetModel(QAbstractItemModel *model) {
	QItemSelectionModel *m = treeView.selectionModel();
	treeView.setModel(model);
	delete m;
}

void QtMemLeak2::switchModel() {
	mySetModel(NULL);
	mySetModel(&standardModel);
}