dialogimpl.cpp

在LINUX平台下

#include "dialogimpl.h"
//
DialogImpl::DialogImpl( QWidget * parent, Qt::WFlags f) 
	: QDialog(parent, f)
{
	setupUi(this);
	connect(ReceiveButton,SIGNAL(clicked()),this,SLOT(ReceiveFromClient()));
	connect(StartServerButton,SIGNAL(clicked()),this,SLOT(startServer()));
	connect(&tcpServer,SIGNAL(newConnection()),this,SLOT(acceptConnection()));
  connect(QuitButton, SIGNAL(clicked()), this, SLOT(close()));
}
void DialogImpl:: startServer()
{
	while(!tcpServer.isListening()&&!tcpServer.listen(QHostAddress::LocalHost,16689))
	{
	QMessageBox messageBox(QMessageBox::Question,"Fail","Listening fail");
	messageBox.exec();
	}
	StartServerButton->setEnabled(false);
	
}
void DialogImpl:: ReceiveFromClient()
{
		char data[1024];
     tcpServerConnection->read(data,1024);
	  QString str(data);
      ReceiveText->setText(str);
	StartServerButton->setEnabled(true);
	

	
}
void DialogImpl::acceptConnection()
{
	//表示接受到了一个新的连接
	tcpServerConnection=tcpServer.nextPendingConnection();
	
	QMessageBox messageBox(QMessageBox::Question,"New Connection","New Connection");
	messageBox.exec();
	
	
}
//