Make it AI survival almost definitely impossible by adding a 3rd pass to FindGear. 1st pass normal, 2nd pass allow close to objects, 3rd pass, allow overlapping objects.
#include <QApplication>
#include "mainform.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
MyWindow *mainWin = new MyWindow;
mainWin->show();
return app.exec();
}