/**************************************************************** ** ** Qt tutorial 4 ** ****************************************************************/ #include #include #include class MyWidget : public QWidget { public: MyWidget( QWidget *parent=0, const char *name=0 ); }; MyWidget::MyWidget( QWidget *parent, const char *name ) : QWidget( parent, name ) { setMinimumSize( 200, 120 ); setMaximumSize( 200, 120 ); QPushButton *quit = new QPushButton( "Quit", this, "quit" ); quit->setGeometry( 62, 40, 75, 30 ); quit->setFont( QFont( "Times", 18, QFont::Bold ) ); connect( quit, SIGNAL(clicked()), qApp, SLOT(quit()) ); } int main( int argc, char **argv ) { QApplication a( argc, argv ); MyWidget w; w.setGeometry( 100, 100, 200, 120 ); a.setMainWidget( &w ); w.show(); return a.exec(); }