如何实现窗口全屏显示到副屏上 下面代码执行后无论窗口在哪个显示器 点Full Screen按钮后会全屏到主显示器
QApplication a(argc, argv);
QWidget *window=new QWidget;
window->setWindowTitle("TEST");
QPushButton *button=new QPushButton(window);
button->setText("Full Screen");
button->setGeometry(QRect(180, 200, 75, 23));
QPushButton *button1=new QPushButton(window);
button1->setGeometry(QRect(280, 200, 75, 23));
button1->setText("Normal");
QPushButton *button2=new QPushButton(window);
button2->setGeometry(QRect(380,200,75,23));
button2->setText("Max");
QObject::connect(button,SIGNAL(clicked()),window,SLOT(showFullScreen()));
QObject::connect(button1,SIGNAL(clicked()),window,SLOT(showNormal()));
QObject::connect(button2,SIGNAL(clicked()),window,SLOT(showMaximized()));
window->show();
return a.exec();
