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/*
* $Id: term_iface.h,v 1.17 2000/08/24 00:34:18 cbond Exp $
*/
#if !defined(__include_term_iface_h__)
#define __include_term_iface_h__
#include "arr.h"
#include "tt_sprintf.h"
/*
* term_iface.[ch] used to be used for maintaining the terminfo entry and
* general terminal parameters, but this is no longer the case. Perhaps things
* like this should be changed to reflect the current way this works.
*/
extern int arr_init_term(struct arr_term *_term);
extern int arr_term_acsc(struct arr_term *_term);
extern void term_reset(void);
extern void term_buffer(char *_ptr);
/* ARR_TPARM() is equivalent to the ncurses tparm(), almost. This needs to be
* FAST.
*/
#define ARR_TPARM(fmt, x, y) \
(tt_sprintf(tparm_buf, fmt, x, y), tparm_buf)
extern char tparm_buf[];
/* XXX TERM_BUFSIZE is quite arbitrary (though it's suggested). It's actually
* the length of the buffers given to the tgetent and tgetstr functions.
*/
#define TERM_BUFSIZE 2500
/* The TERM_(C)BUFFER macros buffer characters into the output stream. When
* the stream becomes full, it's flushed and reset, so new characters can be
* added to it.
*
* TERM_FLUSH() flushes the buffer.
*
* TERM_NOTHROTTLE_WRITE() writes something to the terminal _RIGHT NOW_.
*/
#define TERM_CBUFFER(c) \
do { \
if (arr_scr->buf.ptr >= arr_scr->buf.end) \
TERM_FLUSH(); \
\
if (c != NUL) \
*arr_scr->buf.ptr++ = c; \
else \
putchar(c); \
} while (0)
#define TERM_FLUSH() \
do { \
fwrite(arr_scr->buf.buf, (arr_scr->buf.ptr - \
arr_scr->buf.buf), 1, stdout); \
fflush(stdout); \
\
arr_scr->buf.ptr = arr_scr->buf.buf; \
} while (0)
/* TERM_INC_XY() increases the position on the screen by one, or resets it if
* we're at the end.
*/
#define TERM_INC_XY(s) \
do { \
if (++(s)->seek.x > (s)->term.co) { \
(s)->seek.x = 0; \
\
if (++(s)->seek.y > (s)->term.li) \
(s)->seek.y = 0; \
} \
} while (0)
#define TERM_NOTHROTTLE_WRITE(p) \
do { \
fwrite(p, strlen(p), 1, stdout); \
fflush(stdout); \
} while (0)
/* ACS_CHAR() is supposed to convert an ACS definition into a symbol */
#define ACS_CHAR(t, c) ((t == c) ? acs_default[(c - '+')] : c)
/* padding_chr is the character that will be printed to the screen for `delays.'
* It is either a zero, or a padding character from the terminfo file.
*/
extern char padding_chr;
#endif
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