logindlg.cpp

symbina上可以使用一个xml解析器,对开发网络应用很有好处

/* Demo program for iksemel external sockets.
** Copyright (C) 2004-2005 Darrell Karbott ([e-mail])
** This code is free software; you can redistribute it and/or
** modify it under the terms of the GNU Public Licence (GPL) version 2
** See http://www.gnu.org/ for further details of the GPL.
*/

#include "LoginDlg.h"

#include <qlabel.h>
#include <qlayout.h>
#include <qpushbutton.h>

// Strings
const char* LABEL_USERNAME = "User Name:";
const char* LABEL_SERVERNAME = "Server Name:";
const char* LABEL_PASSWORD = "Password:" ;
const char* LABEL_LOGININFO = "Jabber Login Info";

const char* DEFAULT_USERNAME = "<SET_USER>";
const char* DEFAULT_SERVERNAME = "jabber.org";
const char* DEFAULT_PASSWORD = "";

LoginDialog::LoginDialog(QWidget* parent)
  : QDialog(parent, 0, true)
{
  setCaption(LABEL_LOGININFO);

  // Stack pairs of widgets vertically.
  QVBoxLayout* layout = new QVBoxLayout(this, 5);

  // first
  QHBoxLayout* firstRow = new QHBoxLayout(layout, 5);
  QLabel* lblUserName = new QLabel(LABEL_USERNAME, this);
  firstRow->addWidget(lblUserName);
  firstRow->addStretch();
  txtUserName_ = new QLineEdit(this);
  firstRow->addWidget(txtUserName_);

  // second
  QHBoxLayout* secondRow = new QHBoxLayout(layout, 5);
  QLabel* lblServerName = new QLabel(LABEL_SERVERNAME, this);
  secondRow->addWidget(lblServerName);
  secondRow->addStretch();
  txtServerName_ = new QLineEdit(this);
  secondRow->addWidget(txtServerName_);

  // third
  QHBoxLayout* thirdRow = new QHBoxLayout(layout, 5);
  QLabel* lblPassword = new QLabel(LABEL_PASSWORD, this);
  thirdRow->addWidget(lblPassword);
  thirdRow->addStretch();
  txtPassword_ = new QLineEdit(this);
  txtPassword_->setEchoMode(QLineEdit::Password);
  thirdRow->addWidget(txtPassword_);

  // Put a vertical space between third and fourth rows if possible.
  layout->addSpacing(10);
  layout->addStretch();

  // fourth
  QHBoxLayout* fourthRow = new QHBoxLayout(layout, 5);
  fourthRow->addStretch();
  QPushButton* ok = new QPushButton("&OK", this);
  connect( ok, SIGNAL(clicked()),
           this, SLOT(onOk()));
  ok->setDefault(true);
  fourthRow->addWidget(ok);

  QPushButton* cancel = new QPushButton("&Cancel", this);
  connect( cancel, SIGNAL(clicked()),
           this, SLOT(onCancel()));

  fourthRow->addWidget(cancel);

  txtUserName_->setText(DEFAULT_USERNAME);
  txtServerName_->setText(DEFAULT_SERVERNAME);
  txtPassword_->setText(DEFAULT_PASSWORD);
}

QString LoginDialog::userName() const
{
  return txtUserName_->text().stripWhiteSpace();
}

QString LoginDialog::serverName() const
{
  return txtServerName_->text().stripWhiteSpace();
}

QString LoginDialog::password() const
{
  return txtPassword_->text().stripWhiteSpace();
}

void LoginDialog::onOk()
{
  QString user = txtUserName_->text();
  user = user.stripWhiteSpace();

  QString server = txtServerName_->text();
  server = server.stripWhiteSpace();

  QString password = txtPassword_->text();
  password = password.stripWhiteSpace();

  if (user.length() < 1 || server.length() < 1 ||
      password.length() < 1) {
    return;
  }
  accept();
}

void LoginDialog::onCancel()
{
  reject();
}