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/***************************************************************************
* Copyright (C) 2005 by Niklas Knutsson *
* nq@altern.org *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "qalculateconvertnumberbasesdialog.h"
#include "qalculate_tde_utils.h"
#include <klocale.h>
#include <qgrid.h>
#include <qlabel.h>
#include <klineedit.h>
#include <qpushbutton.h>
extern EvaluationOptions evalops;
QalculateConvertNumberBasesDialog::QalculateConvertNumberBasesDialog(QWidget *parent, const char *name)
: KDialogBase(parent, name, false, i18n("Number Bases"), Close, Close) {
actionButton(Close)->setAutoDefault(false);
actionButton(Close)->setDefault(false);
QGrid *grid = makeGridMainWidget(2, Qt::Horizontal);
new QLabel(i18n("Decimal:"), grid);
decimalEdit = new KLineEdit(grid);
decimalEdit->setAlignment(Qt::AlignRight);
QObject::connect(decimalEdit, SIGNAL(textChanged(const QString&)), this, SLOT(setDecimalValue(const QString&)));
new QLabel(i18n("Binary:"), grid);
binaryEdit = new KLineEdit(grid);
binaryEdit->setAlignment(Qt::AlignRight);
QObject::connect(binaryEdit, SIGNAL(textChanged(const QString&)), this, SLOT(setBinaryValue(const QString&)));
new QLabel(i18n("Octal:"), grid);
octalEdit = new KLineEdit(grid);
octalEdit->setAlignment(Qt::AlignRight);
QObject::connect(octalEdit, SIGNAL(textChanged(const QString&)), this, SLOT(setOctalValue(const QString&)));
new QLabel(i18n("Hexadecimal:"), grid);
hexadecimalEdit = new KLineEdit(grid);
hexadecimalEdit->setAlignment(Qt::AlignRight);
QObject::connect(hexadecimalEdit, SIGNAL(textChanged(const QString&)), this, SLOT(setHexadecimalValue(const QString&)));
decimalEdit->setFocus();
}
QalculateConvertNumberBasesDialog::~QalculateConvertNumberBasesDialog() {}
void QalculateConvertNumberBasesDialog::setDecimalValue(const QString &qstr) {
string str = qstr.ascii();
remove_blank_ends(str);
if(str.empty()) return;
if(is_in(OPERATORS EXP, str[str.length() - 1])) return;
EvaluationOptions eo;
eo.parse_options.angle_unit = evalops.parse_options.angle_unit;
MathStructure value = CALCULATOR->calculate(CALCULATOR->unlocalizeExpression(str, evalops.parse_options), eo);
updateEntries(&value, 10);
}
void QalculateConvertNumberBasesDialog::setBinaryValue(const QString &qstr) {
string str = qstr.ascii();
remove_blank_ends(str);
if(str.empty()) return;
if(is_in(OPERATORS EXP, str[str.length() - 1])) return;
EvaluationOptions eo;
eo.parse_options.base = BASE_BINARY;
eo.parse_options.angle_unit = evalops.parse_options.angle_unit;
MathStructure value = CALCULATOR->calculate(CALCULATOR->unlocalizeExpression(str, evalops.parse_options), eo);
updateEntries(&value, 2);
}
void QalculateConvertNumberBasesDialog::setOctalValue(const QString &qstr) {
string str = qstr.ascii();
remove_blank_ends(str);
if(str.empty()) return;
if(is_in(OPERATORS EXP, str[str.length() - 1])) return;
EvaluationOptions eo;
eo.parse_options.base = BASE_OCTAL;
eo.parse_options.angle_unit = evalops.parse_options.angle_unit;
MathStructure value = CALCULATOR->calculate(CALCULATOR->unlocalizeExpression(str, evalops.parse_options), eo);
updateEntries(&value, 8);
}
void QalculateConvertNumberBasesDialog::setHexadecimalValue(const QString &qstr) {
string str = qstr.ascii();
remove_blank_ends(str);
if(str.empty()) return;
if(is_in(OPERATORS EXP, str[str.length() - 1])) return;
EvaluationOptions eo;
eo.parse_options.angle_unit = evalops.parse_options.angle_unit;
eo.parse_options.base = BASE_HEXADECIMAL;
MathStructure value = CALCULATOR->calculate(CALCULATOR->unlocalizeExpression(str, evalops.parse_options), eo);
updateEntries(&value, 16);
}
void QalculateConvertNumberBasesDialog::updateEntries(const MathStructure *value, int base) {
decimalEdit->blockSignals(true);
binaryEdit->blockSignals(true);
octalEdit->blockSignals(true);
hexadecimalEdit->blockSignals(true);
PrintOptions po;
po.number_fraction_format = FRACTION_DECIMAL;
if(base != 10) {po.base = 10; decimalEdit->setText(value->print(po).c_str());}
if(base != 2) {po.base = 2; binaryEdit->setText(value->print(po).c_str());}
if(base != 8) {po.base = 8; octalEdit->setText(value->print(po).c_str());}
if(base != 16) {po.base = 16; hexadecimalEdit->setText(value->print(po).c_str());}
decimalEdit->blockSignals(false);
binaryEdit->blockSignals(false);
octalEdit->blockSignals(false);
hexadecimalEdit->blockSignals(false);
}
#include "qalculateconvertnumberbasesdialog.moc"
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