/******************************************************************************** Copyright (C) 2000-2006 TROLLTECH ASA. All rights reserved.**** This file is part of the Phone Edition of the Qtopia Toolkit.**** Licensees holding a valid license agreement from Trolltech or any of its** authorized distributors may use this file in accordance with** the License Agreement provided with the Licensed Software.**** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for**   information about Trolltech's Commercial License Agreements.**** Contact info@trolltech.com if any conditions of this licensing are** not clear to you.********** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.******************************************************************************/#ifdef ENABLE_CONVERSION#include "conversion.h"#include "../doubleinstruction.h"#include <qtopia/qtopiaapplication.h>#include <qsettings.h>#include <qlayout.h>#include <qfile.h>#include <qdir.h>#include <QDesktopWidget>double UnitConversionInstruction::from = 0;double UnitConversionInstruction::to = 0;char UnitConversionInstruction::tempFrom = 'n';char UnitConversionInstruction::tempTo = 'n';FormConversion::FormConversion(QWidget *parent) : DecimalInputWidget(parent), currentButton(0){    systemEngine->registerInstruction(new UnitConversionInstruction());    setObjectName( "ConversionForm" ); //no tr        InputWidgetLayout = new QGridLayout(this);    InputWidgetLayout->setSpacing( 3 );    InputWidgetLayout->setMargin( 0 );        init(0, 0);}void FormConversion::init(int fromRow, int fromCol) {    QFont big(font());    big.setWeight(QFont::Bold);    typeSelector = new QComboBox(this);    typeSelector->setSizePolicy(sizePolicy());    InputWidgetLayout->addWidget(typeSelector, fromRow, fromCol, 1, 2 );    PBC = new QPushButton(this);    PBC->setText(tr("CE/C"));    PBC->setFont(big);    PBC->setSizePolicy(sizePolicy());    InputWidgetLayout->addWidget(PBC, fromRow, fromCol+2, 1, 2);    QRect screenRect = QtopiaApplication::desktop()->availableGeometry();    bool portrait = screenRect.width() < screenRect.height();             modeList = new QList<conversionMode*>();    conversionMode *nextMode;    QWidget *w;    conversionData *nextData;    conversionStack = new QStackedWidget(this);    conversionStack->setSizePolicy(sizePolicy());    // temperature conversions are builtin    nextMode = new conversionMode;    nextMode->name = QString( tr("Temperature") );    nextMode->dataList = new QList<conversionData*>();    typeSelector->addItem(nextMode->name);    w = new QWidget();    QBoxLayout *gl2;    if (portrait)         gl2 = new QHBoxLayout(w);    else        gl2 = new QVBoxLayout(w);    gl2->setSpacing( 3 );    gl2->setMargin( 0 );    //InputWidgetLayout->addLayout(gl2, fromRow, fromCol, 1, 4);    conversionStack->addWidget(w);    nextData = new conversionData;    nextData->name = QString( tr("fahrenheit") );    nextData->button = new QPushButton(w);    nextData->button->setCheckable(true);    nextData->button->setText(nextData->name);    nextData->button->setSizePolicy(sizePolicy());    connect(nextData->button,SIGNAL(clicked()),this,SLOT(fahrenheitButtonClicked()));    nextMode->dataList->append(nextData);    gl2->addWidget(nextData->button);    nextData = new conversionData;    nextData->name = QString( tr("celcius") );    nextData->button = new QPushButton(w);    nextData->button->setCheckable(true);    nextData->button->setText(nextData->name);    nextData->button->setSizePolicy(sizePolicy());    connect(nextData->button,SIGNAL(clicked()),this,SLOT(celciusButtonClicked()));    nextMode->dataList->append(nextData);    gl2->addWidget(nextData->button);    nextData = new conversionData;    nextData->name = QString( tr("kelvin") );    nextData->button = new QPushButton(w);    nextData->button->setCheckable(true);    nextData->button->setText(nextData->name);    nextData->button->setSizePolicy(sizePolicy());    connect(nextData->button,SIGNAL(clicked()),this,SLOT(kelvinButtonClicked()));    nextMode->dataList->append(nextData);    gl2->addWidget(nextData->button);    modeList->append(nextMode);    // end setting up temperature conversion    // read conversion data files    QString path = Qtopia::qtopiaDir() + "etc/calculator/";    QDir directory;    directory.setPath( path );    QStringList fileList = directory.entryList(QStringList("*.conf"));    if ( !fileList.count() )         qDebug("No conversion data files are available.");    else {        QFile myFile;        QGridLayout *gl;        //iterate over found conf files        for (int i = 0; i < fileList.count(); i++) {            QString fileName = fileList[i];            QSettings cfg(path+fileName, QSettings::IniFormat);            QStringList groups = cfg.childGroups();            nextMode = new conversionMode;            nextMode->dataList = new QList<conversionData*>();            w = new QWidget();            gl = new QGridLayout(w);            //gl = new FlowLayout(w, 5, 3);            gl->setSizeConstraint( QLayout::SetDefaultConstraint );            gl->setSpacing( 3 );            gl->setMargin( 0 );            conversionStack->addWidget(w);             for (int j = 0; j < groups.count(); j++) {                QString group = groups[j];                if (group == "Translation")                    continue;                cfg.beginGroup(group);                if (group == "Name") {                    nextMode->name = cfg.value("Name").toString();                    typeSelector->addItem(nextMode->name);                } else {                    nextData = new conversionData;                    nextData->name = cfg.value("Name").toString();                    nextData->factor = cfg.value("Factor").toString().toDouble();                    if (nextData->factor == 1)                       nextMode->defaultType = nextData;                    nextMode->dataList->append(nextData);                                        //create the button for this data conversion                    QPushButton *pb = new QPushButton(w);                    pb->setCheckable(true);                    pb->setText(nextData->name);                    pb->setSizePolicy(sizePolicy());                    int cRow = cfg.value("Row").toInt();                    int cCol = cfg.value("Column").toInt();                    if (cRow < 0 || cCol < 0) {                        qWarning(QString("Missing grid position in config file: %1 group: %2").arg(fileName).arg(nextData->name).toLocal8Bit().constData());                    } else if (portrait)                        gl->addWidget(pb, cRow, cCol);                    else                        gl->addWidget(pb, cCol, cRow);                                                            //gl->addWidget(pb);                        connect(pb, SIGNAL(clicked()), this, SLOT(conversionButtonClicked()));                    nextData->button = pb;                }            }            modeList->append(nextMode);                    }    }      connect (PBC, SIGNAL(clicked()), this, SLOT(CClicked()));    connect (typeSelector, SIGNAL(activated(int)), this, SLOT(selectType(int)));    // Remember last selection    QSettings config("Trolltech","calculator"); // No tr    config.beginGroup("Conversion plugin");    int lastView = config.value("lastView",0).toInt();    if (lastView > (int)modeList->count()+1 || lastView < 0)	lastView = 0;    typeSelector->setCurrentIndex(lastView);    conversionStack->setCurrentIndex(lastView);    if (portrait) {        InputWidgetLayout->addWidget(conversionStack, fromRow+1, fromCol, 2, 4);        DecimalInputWidget::init(fromRow+3, fromCol);    } else {        InputWidgetLayout->addWidget(conversionStack, fromRow+1, fromCol, 5, 2);        DecimalInputWidget::init(fromRow+1, fromCol+2);    }}FormConversion::~FormConversion() {    QSettings config("Trolltech","calculator"); // No tr    config.beginGroup("Conversion plugin"); // No tr    config.setValue("lastView", conversionStack->currentIndex());}void FormConversion::showEvent ( QShowEvent *e ) {    systemEngine->setAccType("Double"); // No tr        QWidget::showEvent(e);}void FormConversion::selectType(int i) {    UnitConversionInstruction::tempFrom = UnitConversionInstruction::tempTo = 'n';    int currentMode = conversionStack->currentIndex();    QList<conversionData*> dataList = *(modeList->at(currentMode))->dataList;    for (int c = 0;c < dataList.count(); c++) {	QPushButton *b = (*(dataList.at(c))).button;	if (b->isChecked())	    b->toggle();    }    currentButton = 0;    conversionStack->setCurrentIndex(i);}void FormConversion::conversionButtonClicked() {    doConversion();}void FormConversion::doConversion() {    int currentMode = conversionStack->currentIndex();    QList<conversionData*> dataList = *(modeList->at(currentMode))->dataList;    bool newButtonFound = false;    for (int c = 0;c < dataList.count(); c++) {	QPushButton *b = (*(dataList.at(c))).button;	if (b->isChecked()) {	    if (b == currentButton) {		b->toggle();	    } else {		newButton = b;		newFactor = (*(dataList.at(c))).factor;		newButtonFound = true;	    }	}    }    if (newButtonFound) {	if (currentButton) { // temp convert ignores these anyway	    UnitConversionInstruction::from = currentFactor;	    UnitConversionInstruction::to = newFactor;	    systemEngine->pushInstruction("UnitConversion");	}	currentButton = newButton;	currentFactor = newFactor;    } else { // current button toggled off	currentButton = 0;    }}void FormConversion::kelvinButtonClicked() {    UnitConversionInstruction::tempFrom = UnitConversionInstruction::tempTo;    UnitConversionInstruction::tempTo = 'k';    doConversion();}void FormConversion::celciusButtonClicked() {    UnitConversionInstruction::tempFrom = UnitConversionInstruction::tempTo;    UnitConversionInstruction::tempTo = 'c';    doConversion();}void FormConversion::fahrenheitButtonClicked() {    UnitConversionInstruction::tempFrom = UnitConversionInstruction::tempTo;    UnitConversionInstruction::tempTo = 'f';    doConversion();}void FormConversion::CClicked() {    systemEngine->hardReset();}#endif //ENABLE_CONVERSION