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/*************************************************************************
LabelPropertiesWidget.cpp - dialog for editing label properties
-------------------
begin : Sun Sep 03 2006
copyright : (C) 2006 by Thomas Eschenbacher
email : Thomas.Eschenbacher@gmx.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include <math.h>
#include <QApplication>
#include <QPushButton>
#include <KConfig>
#include <KConfigGroup>
#include <QLineEdit>
#include <KSharedConfig>
#include "libkwave/String.h"
#include "libgui/LabelPropertiesWidget.h"
#include "libgui/SelectTimeWidget.h"
using namespace Qt::StringLiterals;
/** name of the section in the config file */
#define CONFIG_SECTION u"LabelProperties"_s
//***************************************************************************
Kwave::LabelPropertiesWidget::LabelPropertiesWidget(QWidget *parent)
:QDialog(parent), LabelPropertiesWidgetBase(),
m_length(0), m_sample_rate(0)
{
setupUi(this);
Q_ASSERT(time);
if (time) time->setTitle(QString());
setFixedSize(sizeHint());
// set the focus onto the "OK" button
buttonBox->button(QDialogButtonBox::Ok)->setFocus();
}
//***************************************************************************
Kwave::LabelPropertiesWidget::~LabelPropertiesWidget()
{
}
//***************************************************************************
void Kwave::LabelPropertiesWidget::setLabelIndex(unsigned int index)
{
Q_ASSERT(lblIndex);
if (lblIndex) lblIndex->setText(QString::number(index));
}
//***************************************************************************
void Kwave::LabelPropertiesWidget::setLabelPosition(sample_index_t pos,
sample_index_t length, double rate)
{
Q_ASSERT(time);
if (!time) return;
// store the length and rate, for calls to labelPosition()
m_length = length;
m_sample_rate = rate;
// set the current position, always by samples
time->init(Kwave::SelectTimeWidget::bySamples, pos, rate, 0, length);
// restore the previous selection mode and set it
const KConfigGroup cfg = KSharedConfig::openConfig()->group(CONFIG_SECTION);
bool ok;
QString str = cfg.readEntry("mode");
unsigned int m = str.toUInt(&ok);
if (!ok) return;
Kwave::SelectTimeWidget::Mode mode =
static_cast<Kwave::SelectTimeWidget::Mode>(m);
// check if we stay on the requested location when switching to percent
// mode. If the position would change, give the position precedence and
// switch the mode back to "samples"
if (mode == Kwave::SelectTimeWidget::byPercents) {
quint64 p = time->samplesToTime(
Kwave::SelectTimeWidget::bySamples, pos, rate, length);
sample_index_t s = time->timeToSamples(mode, p, rate, length);
if (s != pos) return;
}
// else: precise enough, use the previous mode
time->setMode(mode);
}
//***************************************************************************
void Kwave::LabelPropertiesWidget::setLabelName(const QString &name)
{
Q_ASSERT(edDescription);
if (edDescription) edDescription->setText(name);
}
//***************************************************************************
sample_index_t Kwave::LabelPropertiesWidget::labelPosition()
{
Q_ASSERT(time);
return (time) ? time->samples() : 0;
}
//***************************************************************************
QString Kwave::LabelPropertiesWidget::labelName()
{
Q_ASSERT(edDescription);
return (edDescription) ? edDescription->text() : _("");
}
//***************************************************************************
void Kwave::LabelPropertiesWidget::saveSettings()
{
// restore the previous selection mode and set it
KConfigGroup cfg = KSharedConfig::openConfig()->group(CONFIG_SECTION);
QString str;
str.setNum(static_cast<int>(time->mode()));
cfg.writeEntry("mode", str);
cfg.sync();
}
//***************************************************************************
//***************************************************************************
#include "moc_LabelPropertiesWidget.cpp"
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