demoapplication.cpp

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

#include <QDebug>

#include <QDir>

#include "demoapplication.h"

DemoApplication::DemoApplication(QString executableName, QString caption, QString imageName, QStringList args)

    imagePath = imageName;

    appCaption = caption;

    if (executableName.startsWith(QLatin1Char('/')))

        executablePath = executableName;

    else

        executablePath = QDir::cleanPath(QDir::currentPath() + QLatin1Char('/') + executableName);

#ifdef WIN32

    if (!executablePath.endsWith(QLatin1String(".exe")))

        executablePath.append(QLatin1String(".exe"));

#endif

    arguments = args;

    process.setProcessChannelMode(QProcess::ForwardedChannels);

    connect(&process, &QProcess::finished, this, &DemoApplication::processFinished);

    connect(&process, &QProcess::errorOccurred, this, &DemoApplication::processError);

    connect(&process, &QProcess::started, this, &DemoApplication::processStarted);

void DemoApplication::launch()

    process.start(executablePath, arguments);

QImage DemoApplication::getImage() const

    if (imagePath.isEmpty())

        return QImage();

    // in local dir?

    QImage result(imagePath);

    if (!result.isNull())

        return result;

    // provided by qrc

    result = QImage(QString(":/fluidlauncher/%1").arg(imagePath));

    return result;

QString DemoApplication::getCaption()

    return appCaption;

void DemoApplication::processFinished(int exitCode, QProcess::ExitStatus exitStatus)

    Q_UNUSED(exitCode);

    Q_UNUSED(exitStatus);

    emit demoFinished();

    disconnect(this, &DemoApplication::demoStarted, 0, 0);

    disconnect(this, &DemoApplication::demoFinished, 0, 0);

void DemoApplication::processError(QProcess::ProcessError err)

    qDebug() << "Process error: " << err;

    if (err == QProcess::Crashed)

        emit demoFinished();

void DemoApplication::processStarted()

    emit demoStarted();