signalslot.cpp

来自「中嵌培训资料」· C++ 代码 · 共 19 行

#include <qapplication.h>
#include <qpushbutton.h>
#include <qfont.h>

int main(int argc, char **argv)
{
	QApplication app(argc, argv);

	QPushButton quit("Quit", 0);
	quit.resize(100, 30);
	quit.setFont(QFont("Times", 18, QFont::Bold));

	QObject::connect(&quit, SIGNAL(clicked()), &app, SLOT(quit()));

	app.setMainWidget(&quit);
	quit.show();
	return app.exec();
}