/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
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** This file is part of the examples of the Qt Toolkit.
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** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
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#include
#include "mainwidget.h"
#include "imagewidget.h"
static const char helpText[] =
"Usage: ./imagegestures [options] Directory\n\
Image Gestures Example\n\
\n\
Options:\n\
--no-pan Disable pan gesture\n\
--no-pinch Disable pinch gesture\n\
--no-swipe Disable swipe gesture\n\
-h, --help Displays this help.\n\
\n\
Arguments:\n\
Directory Directory to display\n";
static void showHelp(const QString errorMessage = QString())
{
QString text;
QTextStream str(&text);
str << "";
if (!errorMessage.isEmpty())
str << "" << errorMessage << "
";
str << "" << helpText << "
";
QMessageBox box(errorMessage.isEmpty() ? QMessageBox::Information : QMessageBox::Warning,
QLatin1String("Image Gestures Example"), text,
QMessageBox::Ok);
box.exec();
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QCoreApplication::setApplicationVersion(QT_VERSION_STR);
QCoreApplication::setApplicationName(QLatin1String("imagegestures"));
QStringList arguments = QApplication::arguments();
QString directory;
QList gestures;
gestures << Qt::PanGesture << Qt::PinchGesture << Qt::SwipeGesture;
for (int a = 1; a < arguments.size(); ++a) {
const QString &argument = arguments.at(a);
if (argument.startsWith(QLatin1Char('-'))) {
if (argument == QLatin1String("--no-pan"))
gestures.removeAll(Qt::PanGesture);
else if (argument == QLatin1String("--no-pinch"))
gestures.removeAll(Qt::PinchGesture);
else if (argument == QLatin1String("--no-swipe"))
gestures.removeAll(Qt::SwipeGesture);
else if (argument == QLatin1String("--verbose"))
ImageWidget::setVerbose(true);
else if (argument == QLatin1String("-h") || argument == QLatin1String("--help")) {
showHelp();
return 0;
} else {
showHelp(QLatin1String("Invalid option: ") + argument);
return 1;
}
} else
directory = argument;
}
MainWidget w;
w.grabGestures(gestures);
w.show();
if (directory.isEmpty()) {
const QString picturesLocation = QDesktopServices::storageLocation(QDesktopServices::PicturesLocation);
directory =
QFileDialog::getExistingDirectory(&w, "Select image folder",
picturesLocation.isEmpty() ? QString() : picturesLocation);
if (directory.isEmpty())
return 0;
}
w.openDirectory(directory);
return app.exec();
}