Game Programming Using Qt Beginner's Guide

Appendix A. Pop Quiz Answers

Chapter 3, Qt GUI Programming

Pop quiz – making signal-slot connections

Q1	A slot
Q2	connect(sender, SIGNAL(toggled(bool)), receiver, SLOT(clear())); and connect(sender, &QPushButton::clicked, receiver, &QLineEdit::clear);

Pop quiz – using widgets

Q1	sizeHint
Q2	QVariant
Q3	It represents a functionality that a user can invoke in the program.