stdinputwidgets.cpp

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.7平台上编译为嵌入式图形界面操作系统。

/**********************************************************************
** Copyright (C) 2000 Trolltech AS.  All rights reserved.
**
** This file is part of Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact [e-mail] if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#include "stdinputwidgets.h"
#include "calculator.h"

extern Engine *systemEngine;

// TYPE 1 BASE

Type1BaseInputWidget::Type1BaseInputWidget( QWidget* parent,  const char* name, WFlags fl )
: QWidget( parent, name, fl )
{
    Type1BaseInputWidgetLayout = new QGridLayout( this );
    Type1BaseInputWidgetLayout->setSpacing( 0 );
    Type1BaseInputWidgetLayout->setMargin( 0 );

    QFont big(font());
    big.setPointSize(big.pointSize()*2);

    QSizePolicy mySizePolicy(QSizePolicy::Preferred,QSizePolicy::Preferred,FALSE);
    setSizePolicy(mySizePolicy);

    // Column one
    PB7 = new QToolButton( this, "PB7" );
    PB7->setSizePolicy(mySizePolicy);
    PB7->setFont(big);
    PB7->setText( tr( "7" ) );
    PB7->setFocusPolicy(TabFocus);
    Type1BaseInputWidgetLayout->addWidget( PB7, 0, 0 );

    PB4 = new QToolButton( this, "PB4" );
    PB4->setSizePolicy(mySizePolicy);
    PB4->setFont(big);
    PB4->setText( tr( "4" ) );
    PB4->setFocusPolicy(TabFocus);
    Type1BaseInputWidgetLayout->addWidget( PB4, 1, 0 );

    PB1 = new QToolButton( this, "PB1" );
    PB1->setSizePolicy(mySizePolicy);
    PB1->setFont(big);
    PB1->setText( tr( "1" ) );
    PB1->setFocusPolicy(TabFocus);
    Type1BaseInputWidgetLayout->addWidget( PB1, 2, 0 );

    PB0 = new QToolButton( this, "PB0" );
    PB0->setSizePolicy(mySizePolicy);
    PB0->setFont(big);
    PB0->setText( tr( "0" ) );
    PB0->setFocusPolicy(TabFocus);
    Type1BaseInputWidgetLayout->addWidget( PB0, 3, 0 );


    // Column two
    PB8 = new QToolButton( this, "PB8" );
    PB8->setSizePolicy(mySizePolicy);
    PB8->setFont(big);
    PB8->setText( tr( "8" ) );
    PB8->setFocusPolicy(TabFocus);
    Type1BaseInputWidgetLayout->addWidget( PB8, 0, 1 );

    PB5 = new QToolButton( this, "PB5" );
    PB5->setSizePolicy(mySizePolicy);
    PB5->setFont(big);
    PB5->setText( tr( "5" ) );
    PB5->setFocusPolicy(TabFocus);
    Type1BaseInputWidgetLayout->addWidget( PB5, 1, 1 );

    PB2 = new QToolButton( this, "PB2" );
    PB2->setSizePolicy(mySizePolicy);
    PB2->setFont(big);
    PB2->setText( tr( "2" ) );
    PB2->setFocusPolicy(TabFocus);
    Type1BaseInputWidgetLayout->addWidget( PB2, 2, 1 );


    // Column three
    PB9 = new QToolButton( this, "PB9" );
    PB9->setSizePolicy(mySizePolicy);
    PB9->setFont(big);
    PB9->setText( tr( "9" ) );
    PB9->setFocusPolicy(TabFocus);
    Type1BaseInputWidgetLayout->addWidget( PB9, 0, 2 );

    PB6 = new QToolButton( this, "PB6" );
    PB6->setSizePolicy(mySizePolicy);
    PB6->setFont(big);
    PB6->setText( tr( "6" ) );
    PB6->setFocusPolicy(TabFocus);
    Type1BaseInputWidgetLayout->addWidget( PB6, 1, 2 );

    PB3 = new QToolButton( this, "PB3" );
    PB3->setSizePolicy(mySizePolicy);
    PB3->setFont(big);
    PB3->setText( tr( "3" ) );
    PB3->setFocusPolicy(TabFocus);
    Type1BaseInputWidgetLayout->addWidget( PB3, 2, 2 );

    PBEval = new QToolButton( this, "PBEval" );
    PBEval->setSizePolicy(mySizePolicy);
    PBEval->setFont(big);
    PBEval->setText( tr( "=" ) );
    PBEval->setFocusPolicy(TabFocus);
    Type1BaseInputWidgetLayout->addWidget( PBEval, 3, 2 );


    // Column four
    PBPlus = new QToolButton( this, "PBPlus" );
    PBPlus->setSizePolicy(mySizePolicy);
    PBPlus->setFont(big);
    PBPlus->setText( tr( "+" ) );
    PBPlus->setFocusPolicy(TabFocus);
    Type1BaseInputWidgetLayout->addWidget( PBPlus, 0, 3 );

    PBMinus = new QToolButton( this, "PBMinus" );
    PBMinus->setSizePolicy(mySizePolicy);
    PBMinus->setFont(big);
    PBMinus->setText( tr( "-" ) );
    PBMinus->setFocusPolicy(TabFocus);
    Type1BaseInputWidgetLayout->addWidget( PBMinus, 1, 3 );

    PBTimes = new QToolButton( this, "PBTimes" );
    PBTimes->setSizePolicy(mySizePolicy);
    PBTimes->setFont(big);
    PBTimes->setText( tr( "x" ) );
    PBTimes->setFocusPolicy(TabFocus);
    Type1BaseInputWidgetLayout->addWidget( PBTimes, 2, 3 );

    PBDiv = new QToolButton( this, "PBDiv" );
    PBDiv->setSizePolicy(mySizePolicy);
    PBDiv->setFont(big);
    PBDiv->setText( tr( "/" ) );
    PBDiv->setFocusPolicy(TabFocus);
    Type1BaseInputWidgetLayout->addWidget( PBDiv, 3, 3 );

    // Connect
    PBDiv->setText(QChar(0xF7));
    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()));
}

void Type1BaseInputWidget::evalClicked() {
        systemEngine->evaluate();
}

void Type1BaseInputWidget::val1Clicked ()
{
        systemEngine->pushChar('1');
}

void Type1BaseInputWidget::val2Clicked ()
{
        systemEngine->pushChar('2');
}
void Type1BaseInputWidget::val3Clicked ()
{
        systemEngine->pushChar('3');
}

void Type1BaseInputWidget::val4Clicked ()
{
        systemEngine->pushChar('4');
}

void Type1BaseInputWidget::val5Clicked ()
{
        systemEngine->pushChar('5');
}

void Type1BaseInputWidget::val6Clicked ()
{
        systemEngine->pushChar('6');
}

void Type1BaseInputWidget::val7Clicked ()
{
        systemEngine->pushChar('7');
}

void Type1BaseInputWidget::val8Clicked ()
{
        systemEngine->pushChar('8');
}

void Type1BaseInputWidget::val9Clicked ()
{
        systemEngine->pushChar('9');
}

void Type1BaseInputWidget::val0Clicked ()
{
        systemEngine->pushChar('0');
}

// TYPE 1 DECIMAL

Type1DecimalInputWidget::Type1DecimalInputWidget( QWidget* parent,  const char* name, WFlags fl )
: Type1BaseInputWidget( parent, name, fl )
{
    QSizePolicy mySizePolicy(QSizePolicy::Preferred,QSizePolicy::Preferred,FALSE);
    QFont big(font());
    big.setPointSize(big.pointSize()*2);

    PBDecimal = new QToolButton( this, "PBDecimal" );
    PBDecimal->setSizePolicy(mySizePolicy);
    PBDecimal->setText( tr( "." ) );
    PBDecimal->setFocusPolicy(TabFocus);
    Type1BaseInputWidgetLayout->addWidget( PBDecimal, 3, 1);
    connect (PBDecimal, SIGNAL(clicked()), this, SLOT(decimalClicked()));
    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()));

    setTabOrder(PB7,PB8);
    setTabOrder(PB8,PB9);
    setTabOrder(PB9,PBPlus);
    setTabOrder(PBPlus,PB4);
    setTabOrder(PB4,PB5);
    setTabOrder(PB5,PB6);
    setTabOrder(PB6,PBMinus);
    setTabOrder(PBMinus,PB1);
    setTabOrder(PB1,PB2);
    setTabOrder(PB2,PB3);
    setTabOrder(PB3,PBTimes);
    setTabOrder(PBTimes,PB0);
    setTabOrder(PB0,PBDecimal);
    setTabOrder(PBDecimal,PBEval);
    setTabOrder(PBEval,PBDiv);
}

void Type1DecimalInputWidget::decimalClicked () {
    systemEngine->pushChar('.');
}
void Type1DecimalInputWidget::addClicked () {
        systemEngine->pushInstruction(new AddDoubleDouble());
}
void Type1DecimalInputWidget::subClicked () {
        systemEngine->pushInstruction(new SubtractDoubleDouble());
}
void Type1DecimalInputWidget::mulClicked () {
        systemEngine->pushInstruction(new MultiplyDoubleDouble());
}
void Type1DecimalInputWidget::divClicked () {
        systemEngine->pushInstruction(new DivideDoubleDouble());
}


// TYPE 1 FRACTION
Type1FractionInputWidget::Type1FractionInputWidget( QWidget* parent,  const char* name, WFlags fl )
: Type1BaseInputWidget( parent, name, fl )
{
    QSizePolicy mySizePolicy(QSizePolicy::Preferred,QSizePolicy::Preferred,FALSE);
    PBFraction = new QToolButton( this, "PBFraction" );