}

};

/* static */ IConsoleLine *IConsoleLine::front = NULL;

/* static */ int IConsoleLine::size  = 0;

/* ** main console cmd buffer ** */

static Textbuf _iconsole_cmdline;

static char *_iconsole_history[ICON_HISTORY_SIZE];

static byte _iconsole_historypos;

IConsoleModes _iconsole_mode;

/* *************** *

 *  end of header  *

 * *************** */

static void IConsoleClearCommand()

{

	memset(_iconsole_cmdline.buf, 0, ICON_CMDLN_SIZE);

	_iconsole_cmdline.size = 1; // only terminating zero

	_iconsole_cmdline.width = 0;

	_iconsole_cmdline.caretpos = 0;

	_iconsole_cmdline.caretxoffs = 0;

}

static inline void IConsoleResetHistoryPos() {_iconsole_historypos = ICON_HISTORY_SIZE - 1;}

static void IConsoleHistoryAdd(const char *cmd);

static void IConsoleHistoryNavigate(int direction);

/** Widgets of the console window. */

enum ConsoleWidgets {

	CW_BACKGROUND, ///< Background of the console

};

static const struct NWidgetPart _nested_console_window_widgets[] = {

	NWidget(WWT_EMPTY, INVALID_COLOUR, CW_BACKGROUND), SetResize(1, 1),

};

static const WindowDesc _console_window_desc(

	0, 0, 0, 0, 0, 0,

	WC_CONSOLE, WC_NONE,

	0,

	NULL, _nested_console_window_widgets, lengthof(_nested_console_window_widgets)

);

	if (direction < 0) {

		while (i > 0 && _iconsole_history[i] == NULL) i--;

	}

	_iconsole_historypos = i;

	IConsoleClearCommand();

	/* copy history to 'command prompt / bash' */

	assert(_iconsole_history[i] != NULL && IsInsideMM(i, 0, ICON_HISTORY_SIZE));

	ttd_strlcpy(_iconsole_cmdline.buf, _iconsole_history[i], _iconsole_cmdline.maxsize);

	UpdateTextBufferSize(&_iconsole_cmdline);

}

/**

 * Handle the printing of text entered into the console or redirected there

 * by any other means. Text can be redirected to other clients in a network game

 * as well as to a logfile. If the network server is a dedicated server, all activities

 * are also logged. All lines to print are added to a temporary buffer which can be

 * used as a history to print them onscreen

 * @param colour_code the colour of the command. Red in case of errors, etc.

 * @param string the message entered or output on the console (notice, error, etc.)

 */

void IConsoleGUIPrint(ConsoleColour colour_code, char *str)

{

	new IConsoleLine(str, (TextColour)colour_code);

}