vbox.cpp

嵌入式LINUX下的自定义信号和槽、树型结构的内存管理、网格布局管理、动态改变语言的代码。

#include <QApplication>
#include <QPushButton>
#include <QWidget>
#include <QVBoxLayout>

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

    QWidget window;
    QPushButton *button1 = new QPushButton("One");
    QPushButton *button2 = new QPushButton("Two");
    QPushButton *button3 = new QPushButton("Three");
    QPushButton *button4 = new QPushButton("Four");
    QPushButton *button5 = new QPushButton("Five");

    QVBoxLayout *layout = new QVBoxLayout;
    layout->addWidget(button1);
    layout->addWidget(button2);
    layout->addWidget(button3);
    layout->addWidget(button4);
    layout->addWidget(button5);

    window.setLayout(layout);
    window.show();

    return app.exec();
}