zint/frontend_qt4/mainwindow.cpp

/***************************************************************************
 *   Copyright (C) 2008 by BogDan Vatra <bogdan@licentia.eu>               *
 *   Copyright (C) 2009 by Robin Stuart <robin@zint.org.uk>                *
 *                                                                         *
 *   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 3 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, see <http://www.gnu.org/licenses/>. *
 ***************************************************************************/

#include <QDebug>
#include <QGraphicsScene>
#include <QImage>
#include <QColorDialog>
#include <QUiLoader>
#include <QFile>

#include "mainwindow.h"
#include "datawindow.h"
#include "sequencewindow.h"
#include <stdio.h>

MainWindow::MainWindow(QWidget* parent, Qt::WFlags fl)
		: QWidget(parent, fl),m_optionWidget(0)
{

	char bstyle_text[][50] = {
		"Australia Post Standard Customer",
		"Australia Post Reply-Paid",
		"Australia Post Routing Code",
		"Australia Post Redirect Code",
		"Aztec Code",
		"Aztec Runes",
		"Channel Code",
		"Codabar",
		"Codablock-F",
		"Code 11",
		"Code 128",
		"Code 16k",
		"Code 2 of 5 Data Logic",
		"Code 2 of 5 IATA",
		"Code 2 of 5 Industrial",
		"Code 2 of 5 Interleaved",
		"Code 2 of 5 Matrix",
		"Code 32 (Italian Pharmacode)",
		"Code 39",
		"Code 39 Extended",
		"Code 49",
		"Code 93", 
		"Code One",
		"Databar",
		"Databar Expanded",
		"Databar Expanded Stacked",
		"Databar Limited",
		"Databar Stacked",
		"Databar Stacked Omnidirectional",
		"Data Matrix",
		"Deutsche Post Identcode",
		"Deutsche Post Leitcode",
		"Dutch Post KIX",
		"EAN-14",
		"European Article Number (EAN)",
		"FIM",
		"Flattermarken",
		"ITF-14",
		"International Standard Book Number (ISBN)",
		"Japanese Postal Barcode",
		"Korean Postal Barcode",
		"LOGMARS",
		"Maxicode",
		"MicroPDF417",
		"Micro QR Code",
		"MSI Plessey",
		"NVE-18",
		"PDF417",
		"Pharmacode",
		"Pharmacode 2-track",
		"Pharma Zentralnummer (PZN)",
		"PLANET",
		"Postnet",
		"QR Code",
		"Royal Mail 4-state Barcode",
		"Telepen",
		"Telepen Numeric",
		"UK Plessey",
		"UPC-A",
		"UPC-E",
		"USPS One Code"
	};
		
	/* createActions();
	createMenus();	*/
	
	setupUi(this);
	view->setScene(new QGraphicsScene);
	
	m_fgcolor=qRgb(0,0,0);
	m_bgcolor=qRgb(0xff,0xff,0xff);
	for (int i=0;i<metaObject()->enumerator(0).keyCount();i++) {
		bstyle->addItem(metaObject()->enumerator(0).key(i));
		bstyle->setItemText(i,bstyle_text[i]);
	}
	bstyle->setCurrentIndex(10);
	change_options();
	update_preview();
	view->scene()->addItem(&m_bc);
	connect(bstyle, SIGNAL(currentIndexChanged( int )), SLOT(change_options()));
	connect(bstyle, SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
	connect(heightb, SIGNAL(valueChanged( int )), SLOT(update_preview()));
	connect(bwidth,  SIGNAL(valueChanged( int )), SLOT(update_preview()));
	connect(btype, SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
	connect(txtData, SIGNAL(textChanged( const QString& )), SLOT(update_preview()));
	connect(txtComposite, SIGNAL(textChanged()), SLOT(update_preview()));
	connect(chkComposite, SIGNAL(stateChanged( int )), SLOT(composite_enable()));
	connect(chkComposite, SIGNAL(stateChanged( int )), SLOT(update_preview()));
	connect(cmbCompType, SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
	connect(rotateSlider, SIGNAL(valueChanged(int)), SLOT(scaleRotate()));
	connect(scaleSlider, SIGNAL(valueChanged(int)), SLOT(scaleRotate()));
	connect(spnWhitespace, SIGNAL(valueChanged( int )), SLOT(update_preview()));
	connect(btnAbout, SIGNAL(clicked( bool )), SLOT(about()));
	connect(btnSave, SIGNAL(clicked( bool )), SLOT(save()));
	connect(spnScale, SIGNAL(valueChanged( double )), SLOT(change_print_scale()));
	connect(btnExit, SIGNAL(clicked( bool )), SLOT(quit_now()));
	connect(btnReset, SIGNAL(clicked( bool )), SLOT(reset_view()));
	connect(btnMoreData, SIGNAL(clicked( bool )), SLOT(open_data_dialog()));
	connect(btnSequence, SIGNAL(clicked( bool )), SLOT(open_sequence_dialog()));
}

MainWindow::~MainWindow()
{
}

void MainWindow::reset_view()
{
	scaleSlider->setSliderPosition( 100 );
	rotateSlider->setSliderPosition( 0 );
	m_fgcolor=qRgb(0,0,0);
	m_bgcolor=qRgb(0xff,0xff,0xff);
	update_preview();
}

void MainWindow::scaleRotate()
{
	view->resetTransform();
	view->rotate(rotateSlider->value());
	view->scale((double)scaleSlider->value()/100,(double)scaleSlider->value()/100);
}

bool MainWindow::save()
{
	bool status;
	
	QString fileName = QFileDialog::getSaveFileName(this,
			tr("Save Barcode Image"), ".",
			   tr("Barcode Images (*.png *.eps *.svg)"));
	
	if (fileName.isEmpty())
		return false;
	
	status = m_bc.bc.save_to_file(fileName);
	if(status == false) {
		QMessageBox::critical(this,tr("Save Error"),m_bc.bc.error_message());
	}
	return status;
}

void MainWindow::about()
{
	QMessageBox::about(this, tr("About Zint"),
			   tr("<h2>Zint Barcode Studio 1.0</h2>"
					   "<p>A simple barcode generator"
					   "<p>Requires libzint 2.2 or greater."
					   "<p>Visit the <a href=\"http://www.zint.org.uk\">Zint Project Homepage</a> for more information."
					   "<p>Copyright &copy; 2009 Robin Stuart &amp; Bogdan Vatra.<br>"
					   "QR Code support by Kentaro Fukuchi.<br>"
					   "Released under the GNU General Public License ver. 3"
					   "<p>\"QR Code\" is a Registered Trademark of Denso Corp."
			     ));
}

int MainWindow::open_data_dialog()
{
	int retval;
	DataWindow dlg(txtData->text());
	retval = dlg.exec();
	if (dlg.Valid == 1)
		txtData->setText(dlg.DataOutput);
	return retval;
}

int MainWindow::open_sequence_dialog()
{
	SequenceWindow dlg;
	dlg.barcode = &m_bc;
	return dlg.exec();
}

void MainWindow::on_fgcolor_clicked()
{
	m_fgcolor=QColorDialog::getColor(m_fgcolor,this);
	update_preview();
}

void MainWindow::on_bgcolor_clicked()
{
	m_bgcolor=QColorDialog::getColor(m_bgcolor,this);
	update_preview();
}

void MainWindow::change_print_scale()
{
	/* This value is only used when printing (saving) to file */
	m_bc.bc.setScale((float)spnScale->value());
}

void MainWindow::quit_now()
{
	close();
}

void MainWindow::change_options()
{
	QUiLoader uiload;

	if (tabMain->count()==3)
		tabMain->removeTab(1);

	if(metaObject()->enumerator(0).value(bstyle->currentIndex()) == BARCODE_CODE128)
	{
		QFile file(":/grpC128.ui");
		if (!file.open(QIODevice::ReadOnly))
			return;
		m_optionWidget=uiload.load(&file);
		file.close();
		tabMain->insertTab(1,m_optionWidget,tr("Code 128"));
		chkComposite->setText(tr("Add 2D Component (GS1-128 only)"));
		connect(m_optionWidget->findChild<QObject*>("radC128EAN"), SIGNAL(toggled( bool )), SLOT(composite_ean_check()));
		connect(m_optionWidget->findChild<QObject*>("radC128Stand"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radC128CSup"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radC128EAN"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radC128HIBC"), SIGNAL(clicked( bool )), SLOT(update_preview()));
	} 
	else
		chkComposite->setText(tr("Add 2D Component"));


	if(metaObject()->enumerator(0).value(bstyle->currentIndex()) == BARCODE_PDF417)
	{
		QFile file(":/grpPDF417.ui");
		if (!file.open(QIODevice::ReadOnly))
			return;
		m_optionWidget=uiload.load(&file);
		file.close();
		tabMain->insertTab(1,m_optionWidget,tr("PDF417"));
		connect(m_optionWidget->findChild<QObject*>("codewords"),  SIGNAL(valueChanged( int )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("cmbPDFECC"), SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("cmbPDFCols"), SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radPDFTruncated"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radPDFStand"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radPDFHIBC"), SIGNAL(clicked( bool )), SLOT(update_preview()));
	}

	if(metaObject()->enumerator(0).value(bstyle->currentIndex()) == BARCODE_MICROPDF417)
	{
		QFile file(":/grpMicroPDF.ui");
		if (!file.open(QIODevice::ReadOnly))
			return;
		m_optionWidget=uiload.load(&file);
		file.close();
		tabMain->insertTab(1,m_optionWidget,tr("Micro PDF417"));
		connect(m_optionWidget->findChild<QObject*>("cmbMPDFCols"), SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radMPDFStand"), SIGNAL(toggled( bool )), SLOT(update_preview()));
	}

	if(metaObject()->enumerator(0).value(bstyle->currentIndex()) == BARCODE_AZTEC)
	{
		QFile file(":/grpAztec.ui");
		if (!file.open(QIODevice::ReadOnly))
			return;
		m_optionWidget=uiload.load(&file);
		file.close();
		tabMain->insertTab(1,m_optionWidget,tr("Aztec Code"));
		connect(m_optionWidget->findChild<QObject*>("radAztecAuto"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radAztecSize"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radAztecECC"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("cmbAztecSize"), SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("cmbAztecECC"), SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("chkAztecMode"), SIGNAL(stateChanged( int )), SLOT(update_preview()));
	}

	if(metaObject()->enumerator(0).value(bstyle->currentIndex()) == BARCODE_MSI_PLESSEY)
	{
		QFile file(":/grpMSICheck.ui");
		if (!file.open(QIODevice::ReadOnly))
			return;
		m_optionWidget=uiload.load(&file);
		file.close();
		tabMain->insertTab(1,m_optionWidget,tr("MSI Plessey"));
		connect(m_optionWidget->findChild<QObject*>("cmbMSICheck"), SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
	}

	if((metaObject()->enumerator(0).value(bstyle->currentIndex()) == BARCODE_CODE39) ||
		(metaObject()->enumerator(0).value(bstyle->currentIndex()) == BARCODE_EXCODE39))
	{
		QFile file(":/grpC39.ui");
		if (!file.open(QIODevice::ReadOnly))
			return;
		m_optionWidget=uiload.load(&file);
		file.close();
		tabMain->insertTab(1,m_optionWidget,tr("Code 39"));
		connect(m_optionWidget->findChild<QObject*>("radC39Stand"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radC39Check"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radC39HIBC"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		if(metaObject()->enumerator(0).value(bstyle->currentIndex()) == BARCODE_EXCODE39) 
		{
			if(m_optionWidget->findChild<QRadioButton*>("radC39HIBC")->isChecked() == true) 
			{
				m_optionWidget->findChild<QRadioButton*>("radC39HIBC")->setChecked(false);
				m_optionWidget->findChild<QRadioButton*>("radC39Stand")->setChecked(true);
			}
			m_optionWidget->findChild<QRadioButton*>("radC39HIBC")->setEnabled(false);
		} 
		else 
			m_optionWidget->findChild<QRadioButton*>("radC39HIBC")->setEnabled(true);
	}

	if(metaObject()->enumerator(0).value(bstyle->currentIndex()) == BARCODE_CODABLOCKF)
	{
		QFile file(":/grpCodablock.ui");
		if (!file.open(QIODevice::ReadOnly))
			return;
		m_optionWidget=uiload.load(&file);
		file.close();
		tabMain->insertTab(1,m_optionWidget,tr("Codablock-F"));
		connect(m_optionWidget->findChild<QObject*>("radCodaStand"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radCodaGS1"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radCodaHIBC"), SIGNAL(clicked( bool )), SLOT(update_preview()));
	}

	if(metaObject()->enumerator(0).value(bstyle->currentIndex()) == BARCODE_CODE16K)
	{
		QFile file(":/grpC16k.ui");
		if (!file.open(QIODevice::ReadOnly))
			return;
		m_optionWidget=uiload.load(&file);
		file.close();
		tabMain->insertTab(1,m_optionWidget,tr("Code 16K"));
		connect(m_optionWidget->findChild<QObject*>("radC16kStand"), SIGNAL(toggled( bool )), SLOT(update_preview()));
	}

	if(metaObject()->enumerator(0).value(bstyle->currentIndex()) == BARCODE_DATAMATRIX)
	{
		QFile file(":/grpDM.ui");
		if (!file.open(QIODevice::ReadOnly))
			return;
		m_optionWidget=uiload.load(&file);
		file.close();
		tabMain->insertTab(1,m_optionWidget,tr("Data Matrix"));
		connect(m_optionWidget->findChild<QObject*>("cmbDMMode"), SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("cmbDMMode"), SIGNAL(currentIndexChanged( int )), SLOT(datamatrix_options()));
		connect(m_optionWidget->findChild<QObject*>("radDM200Stand"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radDM200GS1"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radDM200HIBC"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("cmbDM200Size"), SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("cmbDMNon200Size"), SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
		datamatrix_options();
	}

	if(metaObject()->enumerator(0).value(bstyle->currentIndex()) == BARCODE_QRCODE)
	{
		QFile file(":/grpQR.ui");
		if (!file.open(QIODevice::ReadOnly))
			return;
		m_optionWidget=uiload.load(&file);
		file.close();
		tabMain->insertTab(1,m_optionWidget,tr("QR Code"));
		connect(m_optionWidget->findChild<QObject*>("radQRAuto"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radQRSize"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radQRECC"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("cmbQRSize"), SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("cmbQRECC"), SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radQRStand"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radQRGS1"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radQRHIBC"), SIGNAL(clicked( bool )), SLOT(update_preview()));
	}

	if(metaObject()->enumerator(0).value(bstyle->currentIndex()) == BARCODE_MICROQR)
	{
		QFile file(":/grpMQR.ui");
		if (!file.open(QIODevice::ReadOnly))
			return;
		m_optionWidget=uiload.load(&file);
		file.close();
		tabMain->insertTab(1,m_optionWidget,tr("Micro QR Code"));
		connect(m_optionWidget->findChild<QObject*>("radMQRAuto"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radMQRSize"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radMQRECC"), SIGNAL(clicked( bool )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("cmbMQRSize"), SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("cmbMQRECC"), SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
	}

	if(metaObject()->enumerator(0).value(bstyle->currentIndex()) == BARCODE_MAXICODE)
	{
		QFile file(":/grpMaxicode.ui");
		if (!file.open(QIODevice::ReadOnly))
			return;
		m_optionWidget=uiload.load(&file);
		file.close();
		tabMain->insertTab(1,m_optionWidget,tr("Maxicode"));
		connect(m_optionWidget->findChild<QObject*>("cmbMaxiMode"), SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("cmbMaxiMode"), SIGNAL(currentIndexChanged( int )), SLOT(maxi_primary()));
		connect(m_optionWidget->findChild<QObject*>("txtMaxiPrimary"), SIGNAL(textChanged( const QString& )), SLOT(update_preview()));
	}
	
	if(metaObject()->enumerator(0).value(bstyle->currentIndex()) == BARCODE_CHANNEL)
	{
		QFile file(":/grpChannel.ui");
		if (!file.open(QIODevice::ReadOnly))
			return;
		m_optionWidget=uiload.load(&file);
		file.close();
		tabMain->insertTab(1,m_optionWidget,tr("Channel Code"));
		connect(m_optionWidget->findChild<QObject*>("cmbChannel"), SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
	}
	
	if(metaObject()->enumerator(0).value(bstyle->currentIndex()) == BARCODE_CODEONE)
	{
		QFile file(":/grpCodeOne.ui");
		if (!file.open(QIODevice::ReadOnly))
			return;
		m_optionWidget=uiload.load(&file);
		file.close();
		tabMain->insertTab(1,m_optionWidget,tr("Code One"));
		connect(m_optionWidget->findChild<QObject*>("cmbC1Size"), SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
		connect(m_optionWidget->findChild<QObject*>("radC1GS1"), SIGNAL(toggled( bool )), SLOT(update_preview()));
	}

	if(metaObject()->enumerator(0).value(bstyle->currentIndex()) == BARCODE_CODE49)
	{
		QFile file(":/grpC49.ui");
		if (!file.open(QIODevice::ReadOnly))
			return;
		m_optionWidget=uiload.load(&file);
		file.close();
		tabMain->insertTab(1,m_optionWidget,tr("Code 49"));
		connect(m_optionWidget->findChild<QObject*>("radC49GS1"), SIGNAL(toggled( bool )), SLOT(update_preview()));
	}

	switch(metaObject()->enumerator(0).value(bstyle->currentIndex()))
	{
		case BARCODE_CODE128:
		case BARCODE_EANX:
		case BARCODE_UPCA:
		case BARCODE_UPCE:
		case BARCODE_RSS14:
		case BARCODE_RSS_LTD:
		case BARCODE_RSS_EXP:
		case BARCODE_RSS14STACK:
		case BARCODE_RSS14STACK_OMNI:
		case BARCODE_RSS_EXPSTACK:
			grpComposite->show();
			break;
		default:
			chkComposite->setChecked(false);
			grpComposite->hide();
			break;
	}
	tabMain->setCurrentIndex(0);
}

void MainWindow::composite_enable()
{
	if(chkComposite->isChecked() == true) 
	{
		lblCompType->setEnabled(true);
		cmbCompType->setEnabled(true);
		lblComposite->setEnabled(true);
		txtComposite->setEnabled(true);
		if (metaObject()->enumerator(0).value(bstyle->currentIndex())==BARCODE_CODE128)
			m_optionWidget->findChild<QRadioButton*>("radC128EAN")->setChecked(true);
	}
	else
	{
		lblCompType->setEnabled(false);
		cmbCompType->setEnabled(false);
		lblComposite->setEnabled(false);
		txtComposite->setEnabled(false);
	}
}

void MainWindow::composite_ean_check()
{
	if (metaObject()->enumerator(0).value(bstyle->currentIndex())!=BARCODE_CODE128)
		return;
	if(!m_optionWidget->findChild<QRadioButton*>("radC128EAN")->isChecked())
		chkComposite->setChecked(false);
}


void MainWindow::datamatrix_options()
{
	if (metaObject()->enumerator(0).value(bstyle->currentIndex())!=BARCODE_DATAMATRIX)
		return;
	if(m_optionWidget->findChild<QComboBox*>("cmbDMMode")->currentIndex() == 0)
	{
		m_optionWidget->findChild<QGroupBox*>("grpDMNon200")->hide();
		m_optionWidget->findChild<QGroupBox*>("grpDM200")->show();
	}
	else
	{
		m_optionWidget->findChild<QGroupBox*>("grpDM200")->hide();
		m_optionWidget->findChild<QGroupBox*>("grpDMNon200")->show();
	}
}

void MainWindow::maxi_primary()
{
	if (metaObject()->enumerator(0).value(bstyle->currentIndex())!=BARCODE_MAXICODE)
		return;
	if(m_optionWidget->findChild<QComboBox*>("cmbMaxiMode")->currentIndex() == 0) {
		m_optionWidget->findChild<QLabel*>("lblMaxiPrimary")->setEnabled(true);
		m_optionWidget->findChild<QLineEdit*>("txtMaxiPrimary")->setEnabled(true);
	} else {
		m_optionWidget->findChild<QLabel*>("lblMaxiPrimary")->setEnabled(false);
		m_optionWidget->findChild<QLineEdit*>("txtMaxiPrimary")->setEnabled(false);
	}
}

void MainWindow::update_preview()
{
	QString error;
	m_bc.ar=(Zint::QZint::AspectRatioMode)1;
	if(chkComposite->isChecked() == true) {
		m_bc.bc.setPrimaryMessage(txtData->text());
		m_bc.bc.setText(txtComposite->toPlainText());
	} else {
		m_bc.bc.setText(txtData->text());
		/*m_bc.bc.setPrimaryMessage(txtComposite->text());*/
	}
	m_bc.bc.setSecurityLevel(0);
	m_bc.bc.setWidth(0);
	m_bc.bc.setInputMode(UNICODE_MODE);
	switch(metaObject()->enumerator(0).value(bstyle->currentIndex()))
	{
		case BARCODE_CODE128:
			if(m_optionWidget->findChild<QRadioButton*>("radC128Stand")->isChecked())
				m_bc.bc.setSymbol(BARCODE_CODE128);

			if(m_optionWidget->findChild<QRadioButton*>("radC128CSup")->isChecked())
				m_bc.bc.setSymbol(BARCODE_CODE128B);

			if(m_optionWidget->findChild<QRadioButton*>("radC128EAN")->isChecked()) 
			{
				if(chkComposite->isChecked()) 
					m_bc.bc.setSymbol(BARCODE_EAN128_CC);
				else
					m_bc.bc.setSymbol(BARCODE_EAN128);
			}

			if(m_optionWidget->findChild<QRadioButton*>("radC128HIBC")->isChecked())
				m_bc.bc.setSymbol(BARCODE_HIBC_128);
			break;

		case BARCODE_EANX:
			if(chkComposite->isChecked())
				m_bc.bc.setSymbol(BARCODE_EANX_CC);
			else
				m_bc.bc.setSymbol(BARCODE_EANX);
			break;

		case BARCODE_UPCA:
			if(chkComposite->isChecked())
				m_bc.bc.setSymbol(BARCODE_UPCA_CC);
			else
				m_bc.bc.setSymbol(BARCODE_UPCA);
			break;

		case BARCODE_UPCE:
			if(chkComposite->isChecked())
				m_bc.bc.setSymbol(BARCODE_UPCE_CC);
			else
				m_bc.bc.setSymbol(BARCODE_UPCE);
			break;

		case BARCODE_RSS14:
			if(chkComposite->isChecked())
				m_bc.bc.setSymbol(BARCODE_RSS14_CC);
			else
				m_bc.bc.setSymbol(BARCODE_RSS14);
			break;

		case BARCODE_RSS_LTD:
			if(chkComposite->isChecked())
				m_bc.bc.setSymbol(BARCODE_RSS_LTD_CC);
			else
				m_bc.bc.setSymbol(BARCODE_RSS_LTD);
			break;

		case BARCODE_RSS_EXP:
			if(chkComposite->isChecked())
				m_bc.bc.setSymbol(BARCODE_RSS_EXP_CC);
			else
				m_bc.bc.setSymbol(BARCODE_RSS_EXP);
			break;

		case BARCODE_RSS14STACK:
			if(chkComposite->isChecked())
				m_bc.bc.setSymbol(BARCODE_RSS14STACK_CC);
			else
				m_bc.bc.setSymbol(BARCODE_RSS14STACK);
			break;

		case BARCODE_RSS14STACK_OMNI:
			if(chkComposite->isChecked())
				m_bc.bc.setSymbol(BARCODE_RSS14_OMNI_CC);
			else
				m_bc.bc.setSymbol(BARCODE_RSS14STACK_OMNI);
			break;

		case BARCODE_RSS_EXPSTACK:
			if(chkComposite->isChecked())
				m_bc.bc.setSymbol(BARCODE_RSS_EXPSTACK_CC);
			else
				m_bc.bc.setSymbol(BARCODE_RSS_EXPSTACK);
			break;

		case BARCODE_PDF417:
			m_bc.bc.setWidth(m_optionWidget->findChild<QComboBox*>("cmbPDFCols")->currentIndex());
			m_bc.bc.setSecurityLevel(m_optionWidget->findChild<QComboBox*>("cmbPDFECC")->currentIndex()-1);
			m_bc.bc.setPdf417CodeWords(m_optionWidget->findChild<QSpinBox*>("codewords")->value());
			if(m_optionWidget->findChild<QRadioButton*>("radPDFStand")->isChecked())
				m_bc.bc.setSymbol(BARCODE_PDF417);

			if(m_optionWidget->findChild<QRadioButton*>("radPDFTruncated")->isChecked())
				m_bc.bc.setSymbol(BARCODE_PDF417TRUNC);

			if(m_optionWidget->findChild<QRadioButton*>("radPDFHIBC")->isChecked())
				m_bc.bc.setSymbol(BARCODE_HIBC_PDF);
			break;

		case BARCODE_MICROPDF417:
			m_bc.bc.setWidth(m_optionWidget->findChild<QComboBox*>("cmbMPDFCols")->currentIndex());
			if(m_optionWidget->findChild<QRadioButton*>("radMPDFStand")->isChecked())
				m_bc.bc.setSymbol(BARCODE_MICROPDF417);

			if(m_optionWidget->findChild<QRadioButton*>("radMPDFHIBC")->isChecked())
				m_bc.bc.setSymbol(BARCODE_HIBC_MICPDF);
			break;

		case BARCODE_AZTEC:
			m_bc.bc.setSymbol(BARCODE_AZTEC);
			if(m_optionWidget->findChild<QRadioButton*>("radAztecSize")->isChecked())
				m_bc.bc.setWidth(m_optionWidget->findChild<QComboBox*>("cmbAztecSize")->currentIndex() + 1);

			if(m_optionWidget->findChild<QRadioButton*>("radAztecECC")->isChecked())
				m_bc.bc.setSecurityLevel(m_optionWidget->findChild<QComboBox*>("cmbAztecECC")->currentIndex() + 1);

			if(m_optionWidget->findChild<QCheckBox*>("chkAztecMode")->isChecked())
				m_bc.bc.setInputMode(GS1_MODE);
			break;

		case MSI_PLESSEY:
			m_bc.bc.setSymbol(BARCODE_MSI_PLESSEY);
			m_bc.bc.setWidth(m_optionWidget->findChild<QComboBox*>("cmbMSICheck")->currentIndex());
			break;

		case BARCODE_CODE39:
			if(m_optionWidget->findChild<QRadioButton*>("radC39HIBC")->isChecked())
				m_bc.bc.setSymbol(BARCODE_HIBC_39);
			else
			{
				m_bc.bc.setSymbol(BARCODE_CODE39);
				if(m_optionWidget->findChild<QRadioButton*>("radC39Check")->isChecked())
					m_bc.bc.setWidth(1);
			}
			break;

		case BARCODE_EXCODE39:
			m_bc.bc.setSymbol(BARCODE_EXCODE39);
			if(m_optionWidget->findChild<QRadioButton*>("radC39Check")->isChecked())
				m_bc.bc.setWidth(1);

			break;
		case BARCODE_CODE16K:
			m_bc.bc.setSymbol(BARCODE_CODE16K);
			if(m_optionWidget->findChild<QRadioButton*>("radC16kStand")->isChecked())
				m_bc.bc.setInputMode(UNICODE_MODE);
			else
				m_bc.bc.setInputMode(GS1_MODE);
			break;

		case BARCODE_CODABLOCKF:
			if(m_optionWidget->findChild<QRadioButton*>("radCodaGS1")->isChecked())
				m_bc.bc.setInputMode(GS1_MODE);

			if(m_optionWidget->findChild<QRadioButton*>("radCodaHIBC")->isChecked())
				m_bc.bc.setSymbol(BARCODE_HIBC_BLOCKF);
			else
				m_bc.bc.setSymbol(BARCODE_CODABLOCKF);
			break;

		case BARCODE_DATAMATRIX:
			m_bc.bc.setSecurityLevel(m_optionWidget->findChild<QComboBox*>("cmbDMMode")->currentIndex() + 1);
			if(m_optionWidget->findChild<QComboBox*>("cmbDMMode")->currentIndex() == 0) 
			{	/* ECC 200 */
				if(m_optionWidget->findChild<QRadioButton*>("radDM200HIBC")->isChecked())
					m_bc.bc.setSymbol(BARCODE_HIBC_DM);
				else
					m_bc.bc.setSymbol(BARCODE_DATAMATRIX);

				if(m_optionWidget->findChild<QRadioButton*>("radDM200GS1")->isChecked())
					m_bc.bc.setInputMode(GS1_MODE);

				m_bc.bc.setWidth(m_optionWidget->findChild<QComboBox*>("cmbDM200Size")->currentIndex());
			} 
			else
			{	/* Not ECC 200 */
				m_bc.bc.setSymbol(BARCODE_DATAMATRIX);
				m_bc.bc.setWidth(m_optionWidget->findChild<QComboBox*>("cmbDMNon200Size")->currentIndex());
			}
			break;

		case BARCODE_QRCODE:
			if(m_optionWidget->findChild<QRadioButton*>("radQRHIBC")->isChecked())
				m_bc.bc.setSymbol(BARCODE_HIBC_QR);
			else
				m_bc.bc.setSymbol(BARCODE_QRCODE);

			if(m_optionWidget->findChild<QRadioButton*>("radQRGS1")->isChecked())
				m_bc.bc.setInputMode(GS1_MODE);
			
			if(m_optionWidget->findChild<QRadioButton*>("radQRSize")->isChecked())
				m_bc.bc.setWidth(m_optionWidget->findChild<QComboBox*>("cmbQRSize")->currentIndex() + 1);

			if(m_optionWidget->findChild<QRadioButton*>("radQRECC")->isChecked())
				m_bc.bc.setSecurityLevel(m_optionWidget->findChild<QComboBox*>("cmbQRECC")->currentIndex() + 1);
			break;

		case BARCODE_MICROQR:
			m_bc.bc.setSymbol(BARCODE_MICROQR);
			if(m_optionWidget->findChild<QRadioButton*>("radMQRSize")->isChecked())
				m_bc.bc.setWidth(m_optionWidget->findChild<QComboBox*>("cmbMQRSize")->currentIndex() + 1);

			if(m_optionWidget->findChild<QRadioButton*>("radMQRECC")->isChecked())
				m_bc.bc.setSecurityLevel(m_optionWidget->findChild<QComboBox*>("cmbMQRECC")->currentIndex() + 1);
			break;

		case BARCODE_MAXICODE:
			m_bc.bc.setSymbol(BARCODE_MAXICODE);
			if(m_optionWidget->findChild<QComboBox*>("cmbMaxiMode")->currentIndex() == 0)
			{
				m_bc.bc.setSecurityLevel(2);
				m_bc.bc.setPrimaryMessage(m_optionWidget->findChild<QLineEdit*>("txtMaxiPrimary")->text());
			}
			else
				m_bc.bc.setSecurityLevel(m_optionWidget->findChild<QComboBox*>("cmbMaxiMode")->currentIndex() + 3);
			break;

		case BARCODE_CHANNEL:
			m_bc.bc.setSymbol(BARCODE_CHANNEL);
			if(m_optionWidget->findChild<QComboBox*>("cmbChannel")->currentIndex() == 0) 
				m_bc.bc.setWidth(0);
			else
				m_bc.bc.setWidth(m_optionWidget->findChild<QComboBox*>("cmbChannel")->currentIndex() + 2);
			break;
			
		case BARCODE_CODEONE:
			m_bc.bc.setSymbol(BARCODE_CODEONE);
			if(m_optionWidget->findChild<QRadioButton*>("radC1GS1")->isChecked())
				m_bc.bc.setInputMode(GS1_MODE);
			m_bc.bc.setWidth(m_optionWidget->findChild<QComboBox*>("cmbC1Size")->currentIndex());
			break;
			
		case BARCODE_CODE49:
			m_bc.bc.setSymbol(BARCODE_CODE49);
			if(m_optionWidget->findChild<QRadioButton*>("radC49GS1")->isChecked())
				m_bc.bc.setInputMode(GS1_MODE);
			break;
			
		default:
			m_bc.bc.setSymbol(metaObject()->enumerator(0).value(bstyle->currentIndex()));
			break;
	}

	if(chkComposite->isChecked())
		m_bc.bc.setSecurityLevel(cmbCompType->currentIndex());

	m_bc.bc.setBorderType((Zint::QZint::BorderType)(btype->currentIndex()*2));
	m_bc.bc.setBorderWidth(bwidth->value());
	m_bc.bc.setHeight(heightb->value());
	m_bc.bc.setWhitespace(spnWhitespace->value());
	m_bc.bc.setFgColor(m_fgcolor);
	m_bc.bc.setBgColor(m_bgcolor);
	m_bc.update();
	view->scene()->update();
}