/**************************************************************************
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the Qt Installer Framework.
**
** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
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**************************************************************************/

#ifndef CONSOLE_H
#define CONSOLE_H

#include <QtCore/QtGlobal>

#ifdef Q_OS_WIN
# include <qt_windows.h>
# include <wincon.h>

# include <fstream>
# include <iostream>

# ifndef ENABLE_INSERT_MODE
#  define ENABLE_INSERT_MODE 0x0020
# endif

# ifndef ENABLE_QUICK_EDIT_MODE
#  define ENABLE_QUICK_EDIT_MODE 0x0040
# endif

# ifndef ENABLE_EXTENDED_FLAGS
#  define ENABLE_EXTENDED_FLAGS 0x0080
# endif

class Console
{
public:
    Console()
    {
        AllocConsole();
        HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
        if (handle != INVALID_HANDLE_VALUE) {
            COORD largestConsoleWindowSize = GetLargestConsoleWindowSize(handle);
            largestConsoleWindowSize.X -= 3;
            largestConsoleWindowSize.Y = 5000;
            SetConsoleScreenBufferSize(handle, largestConsoleWindowSize);
        }

        handle = GetStdHandle(STD_INPUT_HANDLE);
        if (handle != INVALID_HANDLE_VALUE)
            SetConsoleMode(handle, ENABLE_INSERT_MODE | ENABLE_QUICK_EDIT_MODE | ENABLE_EXTENDED_FLAGS);

        m_oldCin = std::cin.rdbuf();
        m_newCin.open("CONIN$");
        std::cin.rdbuf(m_newCin.rdbuf());

        m_oldCout = std::cout.rdbuf();
        m_newCout.open("CONOUT$");
        std::cout.rdbuf(m_newCout.rdbuf());

        m_oldCerr = std::cerr.rdbuf();
        m_newCerr.open("CONOUT$");
        std::cerr.rdbuf(m_newCerr.rdbuf());
# ifndef Q_CC_MINGW
        HMENU systemMenu = GetSystemMenu(GetConsoleWindow(), FALSE);
        if (systemMenu != NULL)
            RemoveMenu(systemMenu, SC_CLOSE, MF_BYCOMMAND);
        DrawMenuBar(GetConsoleWindow());
# endif
    }

    ~Console()
    {
        system("PAUSE");

        std::cin.rdbuf(m_oldCin);
        std::cerr.rdbuf(m_oldCerr);
        std::cout.rdbuf(m_oldCout);

        FreeConsole();
    }

private:
    std::ifstream m_newCin;
    std::ofstream m_newCout;
    std::ofstream m_newCerr;

    std::streambuf* m_oldCin;
    std::streambuf* m_oldCout;
    std::streambuf* m_oldCerr;
};
#else
class Console
{
public:
    Console() {}
};
#endif

#endif  // CONSOLE_H