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Initial revision

/* A conio.h like implementation for VTANSI displays.
 *
 * Copyright (c) 2009-2013  Joachim Nilsson <troglobit@gmail.com>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef CONIO_H_
#define CONIO_H_

#include <stdio.h>

/* Attributes */
#define RESETATTR    0
#define BRIGHT       1
#define DIM          2
#define UNDERSCORE   4
#define BLINK        5           /* May not work on all displays. */
#define REVERSE      7
#define HIDDEN       8

/* Colors for text and background */
#define BLACK        0x0
#define RED          0x1
#define GREEN        0x2
#define BROWN        0x3
#define BLUE         0x4
#define MAGENTA      0x5
#define CYAN         0x6
#define LIGHTGREY    0x7

#define DARKGREY     0x10
#define LIGHTRED     0x11
#define LIGHTGREEN   0x12
#define YELLOW       0x13
#define LIGHTBLUE    0x14
#define LIGHTMAGENTA 0x15
#define LIGHTCYAN    0x16
#define WHITE        0x17

/* Esc[2JEsc[1;1H             - Clear screen and move cursor to 1,1 (upper left) pos. */
#define clrscr()              fputs ("\e[2J\e[1;1H", stdout)
/* Esc[K                      - Erases from the current cursor position to the end of the current line. */
#define clreol()              fputs ("\e[K", stdout)
/* Esc[2K                     - Erases the entire current line. */
#define delline()             fputs ("\e[2K", stdout)
/* Esc[Line;ColumnH           - Moves the cursor to the specified position (coordinates) */
#define gotoxy(x,y)           printf("\e[%d;%dH", y, x)
/* Esc[?25l (lower case L)    - Hide Cursor */
#define hidecursor()          fputs ("\e[?25l", stdout)
/* Esc[?25h (lower case H)    - Show Cursor */
#define showcursor()          fputs ("\e[?25h", stdout)

/* Esc[Value;...;Valuem       - Set Graphics Mode */
#define __set_gm(attr,color,val)					\
	if (!color)							\
		printf("\e[%dm", attr);					\
	else								\
		printf("\e[%d;%dm", color & 0x10 ? 1 : 0, (color & 0xF) + val)
#define textattr(attr)        __set_gm(attr, 0, 0)
#define textcolor(color)      __set_gm(RESETATTR, color, 30)
#define textbackground(color) __set_gm(RESETATTR, color, 40)

#endif /* CONIO_H_ */

/**
 * Local Variables:
 *  version-control: t
 *  indent-tabs-mode: t
 *  c-file-style: "linux"
 * End:
 */