///////////////////////////////////////////////////////////////////////////////

// Name:        wx/private/terminal.h

// Purpose:     Helpers for working with terminal output

// Author:      Vadim Zeitlin

// Created:     2024-11-22

// Copyright:   (c) 2024 Vadim Zeitlin <vadim@wxwidgets.org>

// Licence:     wxWindows licence

///////////////////////////////////////////////////////////////////////////////

#ifndef _WX_PRIVATE_TERMINAL_H_

#define _WX_PRIVATE_TERMINAL_H_

#ifdef __WINDOWS__

    #include "wx/utils.h"

    #include "wx/msw/wrapwin.h"

#endif

#ifdef __UNIX__

    #include <stdio.h>

    #include <unistd.h>

    #include <sys/ioctl.h>

#endif

namespace wxTerminal

{

// Return the current terminal width or 0 if we couldn't find it.

inline int GetWidth()

{

#ifdef __WINDOWS__

    CONSOLE_SCREEN_BUFFER_INFO csbi;

    if ( ::GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi) )

      return csbi.srWindow.Right - csbi.srWindow.Left + 1;

#elif defined TIOCGWINSZ

    winsize w;

    int fd = fileno(stdout);

    if ( fd != -1 && ioctl(fd, TIOCGWINSZ, &w) == 0 )

      return w.ws_col;

#endif

    return 0;

}

} // namespace wxTerminal

#endif // _WX_PRIVATE_TERMINAL_H_