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#include "widget.h"
#include <QVBoxLayout>
#include <QLabel>
#include <QDateTimeEdit>
#include <QProcess>
#include <QPushButton>
#include <QApplication>
#include <QDialogButtonBox>
Widget::Widget(const QStringList &photos, const QString &dir, const QString &clockPhoto, QWidget *parent) : QDialog(parent)
{
QProcess p;
p.start("exiv2", QStringList() << clockPhoto << "-K" << "Exif.Image.DateTime" << "-Pv", QProcess::ReadOnly);
p.waitForFinished(-1);
const QDateTime clockDate = QDateTime::fromString(p.readAllStandardOutput(), "yyyy:MM:dd HH:mm:ss\n");
setWindowTitle(tr("Clock Photo Time Adjuster"));
QVBoxLayout *layout = new QVBoxLayout;
if (photos.count() == 1)
layout->addWidget(new QLabel(tr("Adjusting dates for: <pre>%1</pre>").arg(photos.at(0))));
else
layout->addWidget(new QLabel(tr("Adjusting dates for %1 photos in: <pre>%2</pre>").arg(photos.count()).arg(dir)));
QLabel *image = new QLabel;
const QPixmap photo(clockPhoto);
if (photo.height() > photo.width())
image->setPixmap(photo.scaledToHeight(800, Qt::SmoothTransformation));
else
image->setPixmap(photo.scaledToWidth(800, Qt::SmoothTransformation));
layout->addWidget(image);
QDateTimeEdit *date = new QDateTimeEdit;
date->setDisplayFormat("MMMM d, yyyy HH:mm:ss");
date->setDateTime(clockDate);
layout->addWidget(date);
const QString defaultText = tr("Choose the date and time of the clock photo above.");
QLabel *adjustment = new QLabel(defaultText);
layout->addWidget(adjustment);
QDialogButtonBox *buttons = new QDialogButtonBox(QDialogButtonBox::Save | QDialogButtonBox::Cancel);
buttons->button(QDialogButtonBox::Save)->setText(tr("&Adjust dates"));
buttons->button(QDialogButtonBox::Save)->setEnabled(false);
layout->addWidget(buttons);
setLayout(layout);
connect(date, &QDateTimeEdit::dateTimeChanged, this, [=]() {
qint64 diff = date->dateTime().secsTo(clockDate);
qint64 days = qAbs(diff) / 86400;
QTime difference = QTime(0, 0).addSecs(qAbs(diff) % 86400);
if (diff != 0) {
adjustment->setText(QString("%1 %2 days, %3 hours, %4 minutes, %5 seconds").arg(diff < 0 ? tr("Add") : tr("Subtract")).arg(days).arg(difference.hour()).arg(difference.minute()).arg(difference.second()));
buttons->button(QDialogButtonBox::Save)->setEnabled(true);
} else {
adjustment->setText(defaultText);
buttons->button(QDialogButtonBox::Save)->setEnabled(false);
}
});
connect(buttons, &QDialogButtonBox::accepted, this, [=]() {
qint64 diff = clockDate.secsTo(date->dateTime());
QString what;
if (diff < 0)
what += "-";
diff = qAbs(diff);
qint64 hours = diff / (60 * 60);
diff = diff % (60 * 60);
qint64 minutes = diff / 60;
qint64 seconds = diff % 60;
what += QString("%1:%2:%3").arg(hours, 2, 10, QChar('0')).arg(minutes, 2, 10, QChar('0')).arg(seconds, 2, 10, QChar('0'));
QProcess p;
p.setWorkingDirectory(dir);
p.start("exiv2", QStringList() << "-a" << what << photos);
p.waitForFinished(-1);
p.start("exiv2", QStringList() << "-T" << photos);
p.waitForFinished(-1);
close();
});
connect(buttons, &QDialogButtonBox::rejected, this, &QDialog::close);
}
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