#include "LogonDialog.h"#include "app_mysql.h"#include <qpushbutton.h>#include <qlayout.h>#include <qlabel.h>LogonDialog::LogonDialog( QWidget *parent, const char *name): QDialog(parent, name){  QGridLayout *grid = new QGridLayout(this, 3, 2, 10, 5,"grid");  grid->addWidget(new QLabel("Username", this, "usernamelabel"), 0, 0, 0);  grid->addWidget(new QLabel("Password", this, "passwordlabel"), 1, 0, 0);  username_entry = new QLineEdit( this, "username_entry");  password_entry = new QLineEdit( this, "password_entry");  password_entry->setEchoMode(QLineEdit::Password);    grid->addWidget(username_entry, 0, 1, 0);  grid->addWidget(password_entry, 1, 1, 0);  QPushButton *button = new QPushButton ("Ok", this, "button");  grid->addWidget(button, 2, 1,Qt::AlignRight);  connect (button, SIGNAL(clicked()), this, SLOT(accept()));}QString LogonDialog::getUsername(){  if (username_entry == NULL)    return NULL;      return username_entry->text();}QString LogonDialog::getPassword(){  if (password_entry == NULL)    return NULL;  return password_entry->text();}