QT4 Widget QPushButton BoxLayout 图层管理使用实例

#include <qapplication.h>

#include <qpushbutton.h>

#include <qfont.h>

#include <QVBoxLayout>s

int main( int argc, char **argv )

{

    QApplication a( argc, argv );

    QWidget box;

    QVBoxLayout testLayout;

    box.setLayout(&testLayout);

    QPushButton quit( "&Quit", &box );

    QPushButton Open( "&Open", &box );

    testLayout.addWidget(&quit);

    testLayout.addWidget(&Open);

    quit.setFont( QFont( "Times", 12, QFont::Bold ) );

    Open.setFont( QFont( "Times", 12, QFont::Bold ) );

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

    box.show();

    return a.exec();

}