/***************************************************************************
 *   Copyright (c) 2004 Jürgen Riegel <juergen.riegel@web.de>              *
 *                                                                         *
 *   This file is part of the FreeCAD CAx development system.              *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Library General Public           *
 *   License as published by the Free Software Foundation; either          *
 *   version 2 of the License, or (at your option) any later version.      *
 *                                                                         *
 *   This library  is distributed in the hope that it will be useful,      *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU Library General Public License for more details.                  *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this library; see the file COPYING.LIB. If not,    *
 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
 *   Suite 330, Boston, MA  02111-1307, USA                                *
 *                                                                         *
 ***************************************************************************/


#include "PreCompiled.h"

#ifndef _PreComp_
# include "stdio.h"
# ifdef FC_OS_WIN32
#   include "io.h"
# endif
# ifdef FC_OS_WIN32
#   include <windows.h>
# endif
# include "fcntl.h"
# include <iostream>
#endif

#include "GuiConsole.h"

using namespace Gui;

#ifdef FC_OS_WIN32

const unsigned int GUIConsole::s_nMaxLines = 1000;
unsigned int       GUIConsole::s_nRefCount = 0;

/** Constructor
 *  Open a Top level Window and redirect the 
 *  stdin, stdout and stderr stream to it.
 *  Not needed in Linux!
 */
GUIConsole::GUIConsole (void)
{
  if (!s_nRefCount++)
  {
    bLog = false;

    CONSOLE_SCREEN_BUFFER_INFO csbi;

    ::AllocConsole();

    ::GetConsoleScreenBufferInfo(::GetStdHandle(STD_OUTPUT_HANDLE),&csbi);
     csbi.dwSize.Y = s_nMaxLines;
    ::SetConsoleScreenBufferSize(::GetStdHandle(STD_OUTPUT_HANDLE),csbi.dwSize);
    ::SetConsoleTitleA( "FreeCAD Console");

    *stdout = *::_fdopen(::_open_osfhandle(reinterpret_cast<intptr_t>(::GetStdHandle(STD_OUTPUT_HANDLE)), _O_TEXT), "w");
    ::setvbuf(stdout, 0, _IONBF, 0);

    *stdin = *::_fdopen(::_open_osfhandle(reinterpret_cast<intptr_t>(::GetStdHandle(STD_INPUT_HANDLE)), _O_TEXT), "r");
    ::setvbuf(stdin, 0, _IONBF, 0);

    *stderr = *::_fdopen(::_open_osfhandle(reinterpret_cast<intptr_t>(::GetStdHandle(STD_ERROR_HANDLE)), _O_TEXT), "w");
    ::setvbuf(stderr, 0, _IONBF, 0);
  }
}

/** Destructor
 *  Close the window and redirect the streams back 
 */
GUIConsole::~GUIConsole (void)
{
  if (!--s_nRefCount)
      FreeConsole();
}

void GUIConsole::Message(const char *sMsg)
{
  ::SetConsoleTextAttribute(::GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_GREEN);
  printf("%s",sMsg);
  ::SetConsoleTextAttribute(::GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE );
}

void GUIConsole::Warning(const char *sWarn)
{
  ::SetConsoleTextAttribute(::GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_RED | FOREGROUND_GREEN);
  printf("%s",sWarn);
  ::SetConsoleTextAttribute(::GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE );
}

void GUIConsole::Error  (const char *sErr)
{
  ::SetConsoleTextAttribute(::GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_RED );
  printf("%s",sErr);
  ::SetConsoleTextAttribute(::GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE );
}

void GUIConsole::Log  (const char *sLog)
{
  printf("%s",sLog);
}

#else /* FC_OS_LINUX */

// safely ignore GUIConsole::s_nMaxLines and  GUIConsole::s_nRefCount
GUIConsole::GUIConsole (void) {}
GUIConsole::~GUIConsole (void) {}
void GUIConsole::Message(const char *sMsg) { std::cout<<sMsg; }
void GUIConsole::Warning(const char *sWarn){ std::cerr<<"Warning: "<<sWarn; }
void GUIConsole::Error  (const char *sErr) { std::cerr<<"Error: "<<sErr;}
void GUIConsole::Log  (const char *sLog)   { std::clog<<sLog;}

#endif /* FC_OS_LINUX */