networkinformation.cpp

Linux窗口程序设计,Qt4精彩实例分析,以循序渐进的方式介绍Qt4开发及其实例子,第一部分

#include "networkinformation.h"

NetworkInformation::NetworkInformation( QWidget *parent, Qt::WindowFlags  f )
    : QDialog( parent, f )
{  
    setWindowTitle(tr("Network Information"));
       
    LabelLocalHostName = new QLabel();
    LabelLocalHostName->setText(tr("localhostname:"));
    
    LineEditLocalHostName = new QLineEdit();   

    LabelAddress = new QLabel();
    LabelAddress->setText(tr("address:"));
    
    LineEditAddress = new QLineEdit();  
           
    PushButtonDetail = new QPushButton( this);
    PushButtonDetail->setText( tr( "Detail" ) );      
    
    QHBoxLayout *hbLayout1 = new QHBoxLayout ();
    hbLayout1->addWidget(LabelLocalHostName);
    hbLayout1->addWidget(LineEditLocalHostName);
    
    QHBoxLayout *hbLayout2 = new QHBoxLayout ();
    hbLayout2->addWidget(LabelAddress);
    hbLayout2->addWidget(LineEditAddress);
    
    QVBoxLayout *vbLayout = new QVBoxLayout( this );
    vbLayout->addLayout( hbLayout1 );
    vbLayout->addLayout( hbLayout2 );
    vbLayout->addWidget( PushButtonDetail );

    connect(PushButtonDetail,SIGNAL(clicked()),this,SLOT(slotDetail()));
    
 	getHostInformation();
}

NetworkInformation::~NetworkInformation()
{

}

void NetworkInformation::getHostInformation()
{
	QString localHostName=QHostInfo::localHostName();
	LineEditLocalHostName->setText(localHostName);
	
	QHostInfo hostInfo = QHostInfo::fromName(localHostName);
	QList<QHostAddress> listAddress = hostInfo.addresses();
	if(!listAddress.isEmpty())
	{
		LineEditAddress->setText(listAddress.first().toString());
	}   	
}

void NetworkInformation::slotDetail()
{                                 
	QString detail=""; 
	                                           
	QList<QNetworkInterface> list=QNetworkInterface::allInterfaces ();
	for(int i=0;i<list.count();i++)
	{
		QNetworkInterface interface=list.at(i);
		detail = detail+tr("Device:")+interface.name()+"\n";
		QString hardwareAddress=interface.hardwareAddress();
		detail = detail+tr("HardwareAddress:")+interface.hardwareAddress()+"\n";
		
		QList<QNetworkAddressEntry> entryList=interface.addressEntries();
		for(int j=0;j<entryList.count();j++)
		{
			QNetworkAddressEntry entry=entryList.at(j);
			detail = detail+"\t"+tr("IP Address:")+entry.ip().toString()+"\n";
			detail = detail+"\t"+tr("Netmask:")+entry.netmask().toString()+"\n";
			detail = detail+"\t"+tr("Broadcast:")+entry.broadcast().toString()+"\n";
		}
	}
	QMessageBox::information(this,tr("Detail"),detail);
		
}