lbajardsilogic@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
lbajardsilogic@0: 
lbajardsilogic@0: /*
lbajardsilogic@0:     Sonic Visualiser
lbajardsilogic@0:     An audio file viewer and annotation editor.
lbajardsilogic@0:     Centre for Digital Music, Queen Mary, University of London.
lbajardsilogic@0:     This file copyright 2007 QMUL.
lbajardsilogic@0:     
lbajardsilogic@0:     This program is free software; you can redistribute it and/or
lbajardsilogic@0:     modify it under the terms of the GNU General Public License as
lbajardsilogic@0:     published by the Free Software Foundation; either version 2 of the
lbajardsilogic@0:     License, or (at your option) any later version.  See the file
lbajardsilogic@0:     COPYING included with this distribution for more information.
lbajardsilogic@0: */
lbajardsilogic@0: 
lbajardsilogic@0: #include "RangeInputDialog.h"
lbajardsilogic@0: 
lbajardsilogic@0: #include <QDoubleSpinBox>
lbajardsilogic@0: #include <QGridLayout>
lbajardsilogic@0: #include <QLabel>
lbajardsilogic@0: #include <QHBoxLayout>
lbajardsilogic@0: #include <QPushButton>
lbajardsilogic@0: 
lbajardsilogic@0: RangeInputDialog::RangeInputDialog(QString title, QString message,
lbajardsilogic@0:                                    QString unit, float min, float max, 
lbajardsilogic@0:                                    QWidget *parent) :
lbajardsilogic@0:     QDialog(parent)
lbajardsilogic@0: {
lbajardsilogic@0:     QGridLayout *grid = new QGridLayout;
lbajardsilogic@0:     setLayout(grid);
lbajardsilogic@0: 
lbajardsilogic@0:     setWindowTitle(title);
lbajardsilogic@0:     
lbajardsilogic@0:     QLabel *messageLabel = new QLabel;
lbajardsilogic@0:     messageLabel->setText(message);
lbajardsilogic@0:     grid->addWidget(messageLabel, 0, 0, 1, 5);
lbajardsilogic@0: 
lbajardsilogic@0:     m_rangeStart = new QDoubleSpinBox;
lbajardsilogic@0:     m_rangeStart->setDecimals(4);
lbajardsilogic@0:     m_rangeStart->setMinimum(min);
lbajardsilogic@0:     m_rangeStart->setMaximum(max);
lbajardsilogic@0:     m_rangeStart->setSuffix(unit);
lbajardsilogic@0:     grid->addWidget(m_rangeStart, 1, 1);
lbajardsilogic@0:     connect(m_rangeStart, SIGNAL(valueChanged(double)),
lbajardsilogic@0:             this, SLOT(rangeStartChanged(double)));
lbajardsilogic@0:     
lbajardsilogic@0:     grid->addWidget(new QLabel(tr(" to ")), 1, 2);
lbajardsilogic@0: 
lbajardsilogic@0:     m_rangeEnd = new QDoubleSpinBox;
lbajardsilogic@0:     m_rangeEnd->setDecimals(4);
lbajardsilogic@0:     m_rangeEnd->setMinimum(min);
lbajardsilogic@0:     m_rangeEnd->setMaximum(max);
lbajardsilogic@0:     m_rangeEnd->setSuffix(unit);
lbajardsilogic@0:     grid->addWidget(m_rangeEnd, 1, 3);
lbajardsilogic@0:     connect(m_rangeEnd, SIGNAL(valueChanged(double)),
lbajardsilogic@0:             this, SLOT(rangeEndChanged(double)));
lbajardsilogic@0: 
lbajardsilogic@0:     QHBoxLayout *hbox = new QHBoxLayout;
lbajardsilogic@0:     grid->addLayout(hbox, 2, 0, 1, 5);
lbajardsilogic@0: 
lbajardsilogic@0:     QPushButton *ok = new QPushButton(tr("OK"), this);
lbajardsilogic@0:     ok->setDefault(true);
lbajardsilogic@0: 
lbajardsilogic@0:     QPushButton *cancel = new QPushButton(tr("Cancel"), this);
lbajardsilogic@0: 
lbajardsilogic@0:     QSize bs = ok->sizeHint().expandedTo(cancel->sizeHint());
lbajardsilogic@0:     ok->setFixedSize(bs);
lbajardsilogic@0:     cancel->setFixedSize(bs);
lbajardsilogic@0: 
lbajardsilogic@0:     hbox->addStretch();
lbajardsilogic@0:     hbox->addWidget(ok);
lbajardsilogic@0:     hbox->addWidget(cancel);
lbajardsilogic@0: 
lbajardsilogic@0:     QObject::connect(ok, SIGNAL(clicked()), this, SLOT(accept()));
lbajardsilogic@0:     QObject::connect(cancel, SIGNAL(clicked()), this, SLOT(reject()));
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: RangeInputDialog::~RangeInputDialog()
lbajardsilogic@0: {
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: RangeInputDialog::getRange(float &min, float &max)
lbajardsilogic@0: {
lbajardsilogic@0:     min = float(m_rangeStart->value());
lbajardsilogic@0:     max = float(m_rangeEnd->value());
lbajardsilogic@0: 
lbajardsilogic@0:     if (min > max) {
lbajardsilogic@0:         float tmp = min;
lbajardsilogic@0:         min = max;
lbajardsilogic@0:         max = tmp;
lbajardsilogic@0:     }
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: RangeInputDialog::setRange(float start, float end)
lbajardsilogic@0: {
lbajardsilogic@0:     if (start > end) {
lbajardsilogic@0:         float tmp = start;
lbajardsilogic@0:         start = end;
lbajardsilogic@0:         end = tmp;
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     blockSignals(true);
lbajardsilogic@0:     m_rangeStart->setValue(start);
lbajardsilogic@0:     m_rangeEnd->setValue(end);
lbajardsilogic@0:     blockSignals(false);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: RangeInputDialog::rangeStartChanged(double min)
lbajardsilogic@0: {
lbajardsilogic@0:     double max = m_rangeEnd->value();
lbajardsilogic@0:     if (min > max) {
lbajardsilogic@0:         double tmp = min;
lbajardsilogic@0:         min = max;
lbajardsilogic@0:         max = tmp;
lbajardsilogic@0:     }
lbajardsilogic@0:     emit rangeChanged(float(min), float(max));
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: RangeInputDialog::rangeEndChanged(double max)
lbajardsilogic@0: {
lbajardsilogic@0:     double min = m_rangeStart->value();
lbajardsilogic@0:     if (min > max) {
lbajardsilogic@0:         double tmp = min;
lbajardsilogic@0:         min = max;
lbajardsilogic@0:         max = tmp;
lbajardsilogic@0:     }
lbajardsilogic@0:     emit rangeChanged(float(min), float(max));
lbajardsilogic@0: }
lbajardsilogic@0: