SingleApplication/singleapplication.h

// The MIT License (MIT)
//
// Copyright (c) Itay Grudev 2015 - 2016
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#ifndef SINGLE_APPLICATION_H
#define SINGLE_APPLICATION_H

#include <QtCore/QtGlobal>

#ifndef QAPPLICATION_CLASS
  #define QAPPLICATION_CLASS QCoreApplication
#endif

#include QT_STRINGIFY(QAPPLICATION_CLASS)

class SingleApplicationPrivate;

/**
 * @brief The SingleApplication class handles multipe instances of the same Application
 * @see QApplication
 */
class SingleApplication : public QAPPLICATION_CLASS
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(SingleApplication)

    typedef QAPPLICATION_CLASS app_t;

public:
    explicit SingleApplication( int &argc, char *argv[], uint8_t secondaryInstances = 0 );
    ~SingleApplication();

    bool isPrimary();
    bool isSecondary();

Q_SIGNALS:
    void showUp();

private Q_SLOTS:
    void slotConnectionEstablished();

private:
    SingleApplicationPrivate *d_ptr;
};

#endif // SINGLE_APPLICATION_H