/******************************************************************************** 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.******************************************************************************/#include "stdinputwidgets.h"#include "calculator.h"#include <qwhatsthis.h>extern Engine *systemEngine;// TYPE 1 BASEInputWidget::InputWidget( QWidget* parent,  Qt::WFlags fl ): QWidget( parent, fl ){    setObjectName("Type1BaseInputWidget");    setWhatsThis( tr("Click to enter digit or operator") );    InputWidgetLayout = new QGridLayout( this );    InputWidgetLayout->setMargin( 3 );    InputWidgetLayout->setSpacing( 3 );    QFont big(font());#ifndef QTOPIA_PHONE    big.setPointSize(qMin(big.pointSize()*2,18));#else    big.setPointSize(qMin(big.pointSize()*2,16));#endif    QSizePolicy mySizePolicy(QSizePolicy::Preferred,QSizePolicy::Preferred);    setSizePolicy(mySizePolicy);    // First column    PBBS = new QToolButton( this );    PBBS->setSizePolicy(mySizePolicy);    PBBS->setFont(big);    PBBS->setText( tr("<BS") );    InputWidgetLayout->addWidget( PBBS, 0, 0 );        PB7 = new QToolButton( this );    PB7->setSizePolicy(mySizePolicy);    PB7->setFont(big);    PB7->setText( tr( "7" ) );    InputWidgetLayout->addWidget( PB7, 1, 0 );    PB4 = new QToolButton( this );    PB4->setSizePolicy(mySizePolicy);    PB4->setFont(big);    PB4->setText( tr( "4" ) );    InputWidgetLayout->addWidget( PB4, 2, 0 );    PB1 = new QToolButton( this );    PB1->setSizePolicy(mySizePolicy);    PB1->setFont(big);    PB1->setText( tr( "1" ) );    InputWidgetLayout->addWidget( PB1, 3, 0 );    PB0 = new QToolButton( this );    PB0->setSizePolicy(mySizePolicy);    PB0->setFont(big);    PB0->setText( tr( "0" ) );    InputWidgetLayout->addWidget( PB0, 4, 0 );    // Second column    PBDiv = new QToolButton( this );    PBDiv->setSizePolicy(mySizePolicy);    PBDiv->setFont(big);    PBDiv->setText(QString(QChar(0xF7)));    InputWidgetLayout->addWidget( PBDiv, 0, 1 );        PB8 = new QToolButton( this );    PB8->setSizePolicy(mySizePolicy);    PB8->setFont(big);    PB8->setText( tr( "8" ) );    InputWidgetLayout->addWidget( PB8, 1, 1 );    PB5 = new QToolButton( this );    PB5->setSizePolicy(mySizePolicy);    PB5->setFont(big);    PB5->setText( tr( "5" ) );    InputWidgetLayout->addWidget( PB5, 2, 1 );    PB2 = new QToolButton( this );    PB2->setSizePolicy(mySizePolicy);    PB2->setFont(big);    PB2->setText( tr( "2" ) );    InputWidgetLayout->addWidget( PB2, 3, 1 );    // Thrid column    PBTimes = new QToolButton( this );    PBTimes->setSizePolicy(mySizePolicy);    PBTimes->setFont(big);    PBTimes->setText( tr( "x", "times" ) );    InputWidgetLayout->addWidget( PBTimes, 0, 2 );        PB9 = new QToolButton( this );    PB9->setSizePolicy(mySizePolicy);    PB9->setFont(big);    PB9->setText( tr( "9" ) );    InputWidgetLayout->addWidget( PB9, 1, 2 );    PB6 = new QToolButton( this );    PB6->setSizePolicy(mySizePolicy);    PB6->setFont(big);    PB6->setText( tr( "6" ) );    InputWidgetLayout->addWidget( PB6, 2, 2 );    PB3 = new QToolButton( this );    PB3->setSizePolicy(mySizePolicy);    PB3->setFont(big);    PB3->setText( tr( "3" ) );    InputWidgetLayout->addWidget( PB3, 3, 2 );        QToolButton* PBNegate = new QToolButton( this );    PBNegate->setFont(big);    PBNegate->setSizePolicy(mySizePolicy);    PBNegate->setText( tr("+/-") );    InputWidgetLayout->addWidget( PBNegate, 4, 2 );    // Forth column    PBMinus = new QToolButton( this );    PBMinus->setSizePolicy(mySizePolicy);    PBMinus->setFont(big);    PBMinus->setText( tr( "-" ) );    InputWidgetLayout->addWidget( PBMinus, 0, 3 );        PBPlus = new QToolButton( this );    PBPlus->setSizePolicy(mySizePolicy);    PBPlus->setFont(big);    PBPlus->setText( tr( "+" ) );    InputWidgetLayout->addWidget( PBPlus, 1, 3, 2, 1 );        PBEval = new QToolButton( this );    PBEval->setSizePolicy(mySizePolicy);    PBEval->setFont(big);    PBEval->setText( tr( "=" ) );    InputWidgetLayout->addWidget( PBEval, 3, 3, 2, 1 );#ifndef QTOPIA_PHONE    PB0->setFocusPolicy(Qt::TabFocus);    PB1->setFocusPolicy(Qt::TabFocus);    PB2->setFocusPolicy(Qt::TabFocus);    PB3->setFocusPolicy(Qt::TabFocus);    PB4->setFocusPolicy(Qt::TabFocus);    PB5->setFocusPolicy(Qt::TabFocus);    PB6->setFocusPolicy(Qt::TabFocus);    PB7->setFocusPolicy(Qt::TabFocus);    PB8->setFocusPolicy(Qt::TabFocus);    PB9->setFocusPolicy(Qt::TabFocus);    PBEval->setFocusPolicy(Qt::TabFocus);    PBDiv->setFocusPolicy(Qt::TabFocus);    PBPlus->setFocusPolicy(Qt::TabFocus);    PBMinus->setFocusPolicy(Qt::TabFocus);    PBTimes->setFocusPolicy(Qt::TabFocus);    PBNegate->setFocusPolicy(Qt::TabFocus);    PBBS->setFocusPolicy(Qt::TabFocus);    setTabOrder(PB0,PB1);    setTabOrder(PB1,PB2);    setTabOrder(PB2,PB3);    setTabOrder(PB3,PB4);    setTabOrder(PB4,PB5);    setTabOrder(PB5,PB6);    setTabOrder(PB6,PB7);    setTabOrder(PB7,PB8);    setTabOrder(PB8,PB9);    setTabOrder(PB9,PBBS);    setTabOrder(PBBS,PBDiv);    setTabOrder(PBDiv,PBTimes);    setTabOrder(PBTimes,PBMinus);    setTabOrder(PBMinus,PBPlus);    setTabOrder(PBPlus,PBEval);    setTabOrder(PBEval,PBNegate);#endif        // Connect    connect (PB0, SIGNAL(clicked()), this, SLOT(val0Clicked()));    connect (PB1, SIGNAL(clicked()), this, SLOT(val1Clicked()));    connect (PB2, SIGNAL(clicked()), this, SLOT(val2Clicked()));    connect (PB3, SIGNAL(clicked()), this, SLOT(val3Clicked()));    connect (PB4, SIGNAL(clicked()), this, SLOT(val4Clicked()));    connect (PB5, SIGNAL(clicked()), this, SLOT(val5Clicked()));    connect (PB6, SIGNAL(clicked()), this, SLOT(val6Clicked()));    connect (PB7, SIGNAL(clicked()), this, SLOT(val7Clicked()));    connect (PB8, SIGNAL(clicked()), this, SLOT(val8Clicked()));    connect (PB9, SIGNAL(clicked()), this, SLOT(val9Clicked()));    connect (PBEval, SIGNAL(clicked()), this, SLOT(evalClicked()));    connect (PBPlus, SIGNAL(clicked()), this, SLOT(addClicked()));    connect (PBMinus, SIGNAL(clicked()), this, SLOT(subClicked()));    connect (PBTimes, SIGNAL(clicked()), this, SLOT(mulClicked()));    connect (PBDiv, SIGNAL(clicked()), this, SLOT(divClicked()));    connect (PBNegate, SIGNAL(clicked()), this, SLOT(negClicked()));    connect (PBBS, SIGNAL(clicked()), this, SLOT(bsClicked()));}void InputWidget::evalClicked() {        systemEngine->evaluate();}void InputWidget::val1Clicked (){        systemEngine->push('1');}void InputWidget::val2Clicked (){        systemEngine->push('2');}void InputWidget::val3Clicked (){        systemEngine->push('3');}void InputWidget::val4Clicked (){        systemEngine->push('4');}void InputWidget::val5Clicked (){        systemEngine->push('5');}void InputWidget::val6Clicked (){        systemEngine->push('6');}void InputWidget::val7Clicked (){        systemEngine->push('7');}void InputWidget::val8Clicked (){        systemEngine->push('8');}void InputWidget::val9Clicked (){        systemEngine->push('9');}void InputWidget::val0Clicked (){        systemEngine->push('0');}void InputWidget::addClicked () {        systemEngine->pushInstruction("Add"); // No tr}void InputWidget::subClicked () {        systemEngine->pushInstruction("Subtract"); // No tr}void InputWidget::mulClicked () {        systemEngine->pushInstruction("Multiply"); // No tr}void InputWidget::divClicked () {        systemEngine->pushInstruction("Divide"); // No tr}void InputWidget::negClicked () {        systemEngine->pushInstruction("Negate"); // No tr}void InputWidget::bsClicked () {        systemEngine->delChar();}// DECIMAL input widgetDecimalInputWidget::DecimalInputWidget( QWidget* parent, Qt::WFlags fl ): InputWidget( parent, fl ){    setObjectName("DecimalInputWidget");    QSizePolicy mySizePolicy(QSizePolicy::Preferred,QSizePolicy::Preferred);    QFont big(font());#ifndef QTOPIA_PHONE    big.setPointSize(qMin(big.pointSize()*2,18));#else    big.setPointSize(qMin(big.pointSize()*2,16));#endif    PBDecimal = new QToolButton( this );    PBDecimal->setSizePolicy(mySizePolicy);    PBDecimal->setText( tr( ".", "decimal point" ) );#ifndef QTOPIA_PHONE    PBDecimal->setFocusPolicy(Qt::TabFocus);#endif    PBDecimal->setFont(big);    InputWidgetLayout->addWidget( PBDecimal, 4, 1);    connect (PBDecimal, SIGNAL(clicked()), this, SLOT(decimalClicked()));}void DecimalInputWidget::decimalClicked () {    systemEngine->push('.');}// TYPE 1 FRACTIONFractionInputWidget::FractionInputWidget( QWidget* parent, Qt::WFlags fl ): InputWidget( parent, fl ){    setObjectName("FractionInputWidget");    QSizePolicy mySizePolicy(QSizePolicy::Preferred,QSizePolicy::Preferred);    QFont big(font());    big.setPointSize(qMin(big.pointSize()*2,18));    PBFraction = new QToolButton( this );    PBFraction->setSizePolicy(mySizePolicy);    PBFraction->setFocusPolicy(Qt::TabFocus);    PBFraction->setFont(big);    PBFraction->setText( tr( "/" , "seperator numerator - denominator") );    InputWidgetLayout->addWidget( PBFraction, 4, 1);    connect (PBFraction, SIGNAL(clicked()), this, SLOT(fractionClicked()));}void FractionInputWidget::fractionClicked () {    systemEngine->push('/');}