lxpindialog.cc

LxBank是一个基于Qt/X的家庭储蓄应用程序

// ****************************************************************************
// 
// LxBank - home-banking for Linux using the HBCI standard
// 
// Author: Franz Zimmermann                                   83043 Bad Aibling
// 
// Copyright (C) 2002-2003 Franz Zimmermann  -  [e-mail]
// 
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
// 
// ***************************************************************************
//
// ***************************************************************************
// 
/*! \file
    \brief LxPinDialog:LxBank pin input dialog for the HBCI-API
*/ 
// ***************************************************************************
//
// $Name:  $
//
// $State: Exp $
//
// $Log: LxPinDialog.cc,v $
// Revision 1.3  2003/02/08 15:25:21  franz
// Mail address changed.
//
// Revision 1.2  2003/01/11 18:35:22  franz
// Complete methods of class LxInteractor.
// Worked on class LxPinDialog.
// Improve class LxUserAddWizard.
// Implement methods removeUser and getAccounts in class LxUserListDialog.
// Button enable/dissable bug fixed in class LxRemittanceView.
//
// Revision 1.1  2003/01/02 15:04:45  franz
// Started to use the openHBCI lib.
//
//



#ifdef HAVE_CONFIG_H
#include <config.h>
#endif


#include "LxPinDialog.h"
#include "LxPushButton.h"
#include "LxPushButtonActions.h"
#include <math.h>
#include <qlabel.h> 
#include <qlineedit.h> 
#include <qlayout.h>
#include <qsignalmapper.h>
#include <qvalidator.h>
#include <stream.h>
#include <limits.h>

LxPinDialog::LxPinDialog(int pminlen,
			 QString & prompt,
			 QWidget * parent, 
			 const char * name,
			 bool modal,
			 WFlags f )
  :QDialog(parent, name, modal, f)
{
  double pl = (double)(pminlen-1);
  int pmax, pmin, pmaxdigits;
  pmin = (int)pow (10., pl);
  pmax = INT_MAX;
  pmaxdigits = (int)ceil(log10((double)pmax));

//   cerr << "LxPinDialog: pl         = " << pl << endl;
//   cerr << "LxPinDialog: pmin       = " << pmin << endl;
//   cerr << "LxPinDialog: pmax       = " << pmax << endl;
//   cerr << "LxPinDialog: pmaxdigits = " << pmaxdigits << endl;

  setCaption(tr("Pin Input"));

  dialogBox = new QVBoxLayout (this);
  dialogBox->setMargin ( 10 );
  dialogBox->setSpacing  ( 20 );

  pinInputLabel = new QLabel (prompt, this);
  dialogBox->addWidget (pinInputLabel, 0);
  pinInput = new QLineEdit (this);
  pinInput->setMaxLength( pmaxdigits );
  pinInput->setEchoMode ( QLineEdit::Password );
  pinInput->setValidator(new QIntValidator(pmin, pmax, this));


  dialogBox->addWidget (pinInput, 0);

  sm = new QSignalMapper( this );
  connect( sm, SIGNAL( mapped( int )), this, SLOT( done( int ) ));

  buttonBox = new QHBoxLayout( dialogBox );

  okButton = new LxPushButton(tr("OK"), this);
  okButton->setEnabled( FALSE );
  buttonBox->addWidget ( okButton, 0 );
  sm->setMapping( okButton, Lx::Okay );
  connect( okButton, SIGNAL( clicked() ), sm, SLOT( map() ) );
  connect( pinInput, SIGNAL( textChanged( const QString & ) ),
	     this, SLOT( keyChanged( const QString & ) ) );

  buttonBox->addStretch ( 1 );

  cancelButton=new LxPushButton(tr("Cancel"), this);
  buttonBox->addWidget ( cancelButton, 0 );
  sm->setMapping( cancelButton, Lx::Cancel );
  connect( cancelButton, SIGNAL( clicked() ), sm, SLOT( map() ) );
}


LxPinDialog::~LxPinDialog()
{
}

void LxPinDialog::keyChanged( const QString &text )
{
    QString t = text;
    int p = 0;
    bool on = ( pinInput->validator()->validate(t, p) == QValidator::Acceptable );
//     cerr << "LxPinDialog::keyChanged: state = " << on << endl;
    okButton->setEnabled( on );
}

void LxPinDialog::done ( int res )
{
//   cerr << "LxPinDialog::done: result = " << res << endl;

  if ( res == Lx::Okay ){
    pin = pinInput->text();
  }else{
    pin = "no pin!";
  }
//   cerr << "LxPinDialog::done: pin    = " << pin << endl;
  QDialog::done ( res );
}

QString LxPinDialog::getPin (){
  return pin;
}