conio.h

   1 /* A conio.h like implementation for VTANSI displays.
   2  *
   3  * Copyright (c) 2009  Joachim Nilsson <troglobit@gmail.com>
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #ifndef __CONIO_H__
  19 #define __CONIO_H__
  20
  21 #include <stdio.h>
  22
  23 /* Attributes */
  24 #define RESETATTR    0
  25 #define BRIGHT       1
  26 #define DIM          2
  27 #define UNDERSCORE   4
  28 #define BLINK        5           /* May not work on all displays. */
  29 #define REVERSE      7
  30 #define HIDDEN       8
  31
  32 /* Colors for text and background */
  33 #define BLACK        0x0
  34 #define RED          0x1
  35 #define GREEN        0x2
  36 #define BROWN        0x3
  37 #define BLUE         0x4
  38 #define MAGENTA      0x5
  39 #define CYAN         0x6
  40 #define LIGHTGREY    0x7
  41
  42 #define DARKGREY     0x10
  43 #define LIGHTRED     0x11
  44 #define LIGHTGREEN   0x12
  45 #define YELLOW       0x13
  46 #define LIGHTBLUE    0x14
  47 #define LIGHTMAGENTA 0x15
  48 #define LIGHTCYAN    0x16
  49 #define WHITE        0x17
  50
  51 /* Esc[2JEsc[1;1H             - Clear screen and move cursor to 1,1 (upper left) pos. */
  52 #define clrscr()              puts ("\e[2J\e[1;1H")
  53 /* Esc[K                      - Erases from the current cursor position to the end of the current line. */
  54 #define clreol()              puts ("\e[K")
  55 /* Esc[2K                     - Erases the entire current line. */
  56 #define delline()             puts ("\e[2K")
  57 /* Esc[Line;ColumnH           - Moves the cursor to the specified position (coordinates) */
  58 #define gotoxy(x,y)           printf("\e[%d;%dH", y, x)
  59 /* Esc[?25l (lower case L)    - Hide Cursor */
  60 #define hidecursor()          puts ("\e[?25l")
  61 /* Esc[?25h (lower case H)    - Show Cursor */
  62 #define showcursor()          puts ("\e[?25h")
  63
  64 /* Esc[Value;...;Valuem       - Set Graphics Mode */
  65 #define __set_gm(attr,color,val)                                        \
  66         if (!color)                                                     \
  67                 printf("\e[%dm", attr);                                 \
  68         else                                                            \
  69                 printf("\e[%d;%dm", color & 0x10 ? 1 : 0, (color & 0xF) + val)
  70 #define textattr(attr)        __set_gm(attr, 0, 0)
  71 #define textcolor(color)      __set_gm(RESETATTR, color, 30)
  72 #define textbackground(color) __set_gm(RESETATTR, color, 40)
  73
  74 #endif /* __CONIO_H__ */
  75
  76 /**
  77  * Local Variables:
  78  *  version-control: t
  79  *  c-file-style: "ellemtel"
  80  * End:
  81  */