void MainWindow::createCenter()
{
userLoginButton = new QPushButton("userLogin",this);
userLoginButton->setStatusTip(tr("login if your are the user"));
registerButton = new QPushButton("Register",this);
registerButton->setStatusTip(tr("register a new user!"));
searchButton = new QPushButton(tr("search book"),this);
searchButton->setStatusTip(tr("search books"));
managerButton = new QPushButton(tr("manager"),this);
managerButton->setStatusTip(tr("login as a manager"));
exitButton = new QPushButton(tr("Exit"),this);
exitButton->setStatusTip(tr("exit the applications"));
MainWindowButton = new QPushButton("mainwindow",this);
MainWindowButton->setVisible(false);
MainWindowButton->setStatusTip(tr("return the welcome window"));
QWidget *welcome = new QWidget(this);
QLabel *img = new QLabel(welcome);
img->setStyleSheet("border-image:url(:/imgs/1.jpg)");
img->setStatusTip(tr("Welcome to the library"));
toplayout = new QHBoxLayout;
toplayout->addWidget(registerButton);
toplayout->addWidget(userLoginButton);
toplayout->addWidget(searchButton);
toplayout->addWidget(managerButton);
toplayout->addWidget(exitButton);
welcomelayout = new QVBoxLayout(welcome);
welcomelayout->addWidget(img);
welcomelayout->addLayout(toplayout);
welcome->setLayout(welcomelayout);
rig = new Register(this,mainmanager);
manawidget = new ManagerWindow(this,mainmanager);
user* tmpusr = NULL;
searchwin = new SearchWindow(this,mainmanager,tmpusr,false,false);
swidget = new QStackedWidget;
swidget->addWidget(welcome);
swidget->addWidget(rig);
swidget->addWidget(manawidget);
swidget->addWidget(searchwin);
connect(registerButton,SIGNAL(clicked()),SLOT(regis()));
connect(userLoginButton,SIGNAL(clicked()),SLOT(ulogin()));
connect(MainWindowButton,SIGNAL(clicked()),SLOT(rmain()));
connect(managerButton,SIGNAL(clicked()),SLOT(managerlog()));
connect(searchButton,SIGNAL(clicked()),SLOT(search()));
connect(rig,SIGNAL(isexit()),this,SLOT(rmain()));
QWidget *mainwidget = new QWidget(this);
buttomlayout = new QHBoxLayout;
vlayout = new QVBoxLayout;
buttomlayout->addStretch();
buttomlayout->addWidget(MainWindowButton);
vlayout->addWidget(swidget);
vlayout->addLayout(buttomlayout);
mainwidget->setLayout(vlayout);
connect(exitButton,SIGNAL(clicked()),this,SLOT(whenexit()));
setCentralWidget(mainwidget);
}
void startClient(int sockFd)
{
/**
Start the client side operations.
**/
//printf("In startClient.\n");
char sendMsg[MAXLINE], recvMsg[MAXLINE];
int n, retVal;
int logout = 0, retry = 0;
while(1)
{
//printf("In startClient\n");
bzero(&recvMsg, MAXLINE);
bzero(&sendMsg, MAXLINE);
// message from the server
if((n = read(sockFd, recvMsg, MAXLINE)) < 0)
printError('r');
if(n == 0)
printError('t');
printf("\nServer : \n%s\n", recvMsg);
//printf("sending response to server\n");
printf("\nClient : \n");
// sending response to server
fgets(sendMsg, MAXLINE, stdin);
if((n = write(sockFd, sendMsg, MAXLINE)) < 0)
printError('w');
if(n == 0)
printError('t');
// register
if(strcmp("register", sendMsg) == EQUAL)
{
regis(sockFd);
//printf("returned to start client\n");
logout = logIn(sockFd);
if(logout)
{
fputs("\nWrite ./client 127.0.0.1 9876 to reconnect.\n\n", stdout);
return;
}
}
else
// log in
if(strcmp("log in", sendMsg) == EQUAL || strcmp("login", sendMsg) == EQUAL)
{
logout = logIn(sockFd);
if(logout == 1)
{
fputs("\nWrite ./client 127.0.0.1 9876 to reconnect.\n\n", stdout);
return;
}
}
if(logout == -1)
{
fputs("Something went wrong.\n", stdout);
}
}
}
