/****************************************************************************
- * Copyright (c) 1998,1999,2000 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ * and: Thomas E. Dickey 1996-on *
****************************************************************************/
/*
* LONG_DIST and (b) further inward from the right or left edge than LONG_DIST,
* we'll consider nonlocal.
*/
-#define NOT_LOCAL(fy, fx, ty, tx) ((tx > LONG_DIST) && (tx < screen_lines - 1 - LONG_DIST) && (abs(ty-fy) + abs(tx-fx) > LONG_DIST))
+#define NOT_LOCAL(fy, fx, ty, tx) ((tx > LONG_DIST) \
+ && (tx < screen_columns - 1 - LONG_DIST) \
+ && (abs(ty-fy) + abs(tx-fx) > LONG_DIST))
/****************************************************************************
*
#include <term.h>
#include <ctype.h>
-MODULE_ID("$Id: lib_mvcur.c,v 1.72 2000/10/08 00:58:25 tom Exp $")
+MODULE_ID("$Id: lib_mvcur.c,v 1.110 2007/08/11 16:15:57 tom Exp $")
-#define CURRENT_ROW SP->_cursrow /* phys cursor row */
-#define CURRENT_COLUMN SP->_curscol /* phys cursor column */
-#define CURRENT_ATTR SP->_current_attr /* current phys attribute */
-#define REAL_ATTR SP->_current_attr /* phys current attribute */
#define WANT_CHAR(y, x) SP->_newscr->_line[y].text[x] /* desired state */
#define BAUDRATE cur_term->_baudrate /* bits per second */
#endif
-int
+NCURSES_EXPORT(int)
_nc_msec_cost(const char *const cap, int affcnt)
/* compute the cost of a given operation */
{
float number = 0.0;
for (cp += 2; *cp != '>'; cp++) {
- if (isdigit(*cp))
+ if (isdigit(UChar(*cp)))
number = number * 10 + (*cp - '0');
else if (*cp == '*')
number *= affcnt;
- else if (*cp == '.' && (*++cp != '>') && isdigit(*cp))
+ else if (*cp == '.' && (*++cp != '>') && isdigit(UChar(*cp)))
number += (*cp - '0') / 10.0;
}
{
if (change_scroll_region) {
TPUTS_TRACE("change_scroll_region");
- putp(tparm(change_scroll_region, 0, screen_lines - 1));
+ putp(TPARM_2(change_scroll_region, 0, screen_lines - 1));
}
}
-void
+NCURSES_EXPORT(void)
_nc_mvcur_resume(void)
/* what to do at initialization time and after each shellout */
{
}
}
-void
+NCURSES_EXPORT(void)
_nc_mvcur_init(void)
/* initialize the cost structure */
{
- /*
- * 9 = 7 bits + 1 parity + 1 stop.
- */
- SP->_char_padding = (9 * 1000 * 10) / (BAUDRATE > 0 ? BAUDRATE : 9600);
+ if (isatty(fileno(SP->_ofp)))
+ SP->_char_padding = ((BAUDBYTE * 1000 * 10)
+ / (BAUDRATE > 0 ? BAUDRATE : 9600));
+ else
+ SP->_char_padding = 1; /* must be nonzero */
if (SP->_char_padding <= 0)
SP->_char_padding = 1; /* must be nonzero */
TR(TRACE_CHARPUT | TRACE_MOVE, ("char_padding %d msecs", SP->_char_padding));
SP->_home_cost = CostOf(cursor_home, 0);
SP->_ll_cost = CostOf(cursor_to_ll, 0);
#if USE_HARD_TABS
- SP->_ht_cost = CostOf(tab, 0);
- SP->_cbt_cost = CostOf(back_tab, 0);
+ if (getenv("NCURSES_NO_HARD_TABS") == 0) {
+ SP->_ht_cost = CostOf(tab, 0);
+ SP->_cbt_cost = CostOf(back_tab, 0);
+ } else {
+ SP->_ht_cost = INFINITY;
+ SP->_cbt_cost = INFINITY;
+ }
#endif /* USE_HARD_TABS */
SP->_cub1_cost = CostOf(cursor_left, 0);
SP->_cuf1_cost = CostOf(cursor_right, 0);
* All these averages depend on the assumption that all parameter values
* are equally probable.
*/
- SP->_cup_cost = CostOf(tparm(SP->_address_cursor, 23, 23), 1);
- SP->_cub_cost = CostOf(tparm(parm_left_cursor, 23), 1);
- SP->_cuf_cost = CostOf(tparm(parm_right_cursor, 23), 1);
- SP->_cud_cost = CostOf(tparm(parm_down_cursor, 23), 1);
- SP->_cuu_cost = CostOf(tparm(parm_up_cursor, 23), 1);
- SP->_hpa_cost = CostOf(tparm(column_address, 23), 1);
- SP->_vpa_cost = CostOf(tparm(row_address, 23), 1);
+ SP->_cup_cost = CostOf(TPARM_2(SP->_address_cursor, 23, 23), 1);
+ SP->_cub_cost = CostOf(TPARM_1(parm_left_cursor, 23), 1);
+ SP->_cuf_cost = CostOf(TPARM_1(parm_right_cursor, 23), 1);
+ SP->_cud_cost = CostOf(TPARM_1(parm_down_cursor, 23), 1);
+ SP->_cuu_cost = CostOf(TPARM_1(parm_up_cursor, 23), 1);
+ SP->_hpa_cost = CostOf(TPARM_1(column_address, 23), 1);
+ SP->_vpa_cost = CostOf(TPARM_1(row_address, 23), 1);
/* non-parameterized screen-update strings */
SP->_ed_cost = NormalizedCost(clr_eos, 1);
SP->_dch1_cost = NormalizedCost(delete_character, 1);
SP->_ich1_cost = NormalizedCost(insert_character, 1);
+ /*
+ * If this is a bce-terminal, we want to bias the choice so we use clr_eol
+ * rather than spaces at the end of a line.
+ */
+ if (back_color_erase)
+ SP->_el_cost = 0;
+
/* parameterized screen-update strings */
- SP->_dch_cost = NormalizedCost(tparm(parm_dch, 23), 1);
- SP->_ich_cost = NormalizedCost(tparm(parm_ich, 23), 1);
- SP->_ech_cost = NormalizedCost(tparm(erase_chars, 23), 1);
- SP->_rep_cost = NormalizedCost(tparm(repeat_char, ' ', 23), 1);
-
- SP->_cup_ch_cost = NormalizedCost(tparm(SP->_address_cursor, 23, 23), 1);
- SP->_hpa_ch_cost = NormalizedCost(tparm(column_address, 23), 1);
- SP->_cuf_ch_cost = NormalizedCost(tparm(parm_right_cursor, 23), 1);
+ SP->_dch_cost = NormalizedCost(TPARM_1(parm_dch, 23), 1);
+ SP->_ich_cost = NormalizedCost(TPARM_1(parm_ich, 23), 1);
+ SP->_ech_cost = NormalizedCost(TPARM_1(erase_chars, 23), 1);
+ SP->_rep_cost = NormalizedCost(TPARM_2(repeat_char, ' ', 23), 1);
+
+ SP->_cup_ch_cost = NormalizedCost(TPARM_2(SP->_address_cursor, 23, 23), 1);
+ SP->_hpa_ch_cost = NormalizedCost(TPARM_1(column_address, 23), 1);
+ SP->_cuf_ch_cost = NormalizedCost(TPARM_1(parm_right_cursor, 23), 1);
SP->_inline_cost = min(SP->_cup_ch_cost,
min(SP->_hpa_ch_cost,
SP->_cuf_ch_cost));
_nc_mvcur_resume();
}
-void
+NCURSES_EXPORT(void)
_nc_mvcur_wrap(void)
/* wrap up cursor-addressing mode */
{
/*
* Perform repeated-append, returning cost
*/
-static inline int
+static NCURSES_INLINE int
repeated_append(string_desc * target, int total, int num, int repeat, const char *src)
{
size_t need = repeat * strlen(src);
vcost = INFINITY;
if (row_address != 0
- && _nc_safe_strcat(target, tparm(row_address, to_y))) {
+ && _nc_safe_strcat(target, TPARM_1(row_address, to_y))) {
vcost = SP->_vpa_cost;
}
if (parm_down_cursor
&& SP->_cud_cost < vcost
&& _nc_safe_strcat(_nc_str_copy(target, &save),
- tparm(parm_down_cursor, n))) {
+ TPARM_1(parm_down_cursor, n))) {
vcost = SP->_cud_cost;
}
- if (cursor_down && (n * SP->_cud1_cost < vcost)) {
+ if (cursor_down
+ && (*cursor_down != '\n' || SP->_nl)
+ && (n * SP->_cud1_cost < vcost)) {
vcost = repeated_append(_nc_str_copy(target, &save), 0,
SP->_cud1_cost, n, cursor_down);
}
n = (from_y - to_y);
if (parm_up_cursor
- && SP->_cup_cost < vcost
+ && SP->_cuu_cost < vcost
&& _nc_safe_strcat(_nc_str_copy(target, &save),
- tparm(parm_up_cursor, n))) {
- vcost = SP->_cup_cost;
+ TPARM_1(parm_up_cursor, n))) {
+ vcost = SP->_cuu_cost;
}
if (cursor_up && (n * SP->_cuu1_cost < vcost)) {
if (column_address
&& _nc_safe_strcat(_nc_str_copy(target, &save),
- tparm(column_address, to_x))) {
+ TPARM_1(column_address, to_x))) {
hcost = SP->_hpa_cost;
}
if (parm_right_cursor
&& SP->_cuf_cost < hcost
&& _nc_safe_strcat(_nc_str_copy(target, &save),
- tparm(parm_right_cursor, n))) {
+ TPARM_1(parm_right_cursor, n))) {
hcost = SP->_cuf_cost;
}
}
#endif /* USE_HARD_TABS */
-#if defined(REAL_ATTR) && defined(WANT_CHAR)
+ if (n <= 0 || n >= (int) check.s_size)
+ ovw = FALSE;
#if BSD_TPUTS
/*
* If we're allowing BSD-style padding in tputs, don't generate
&& n > 0
&& n < (int) check.s_size
&& vcost == 0
- && str[0] == '\0'
- && isdigit(TextOf(WANT_CHAR(to_y, from_x))))
- ovw = FALSE;
+ && str[0] == '\0') {
+ int wanted = CharOf(WANT_CHAR(to_y, from_x));
+ if (is8bits(wanted) && isdigit(wanted))
+ ovw = FALSE;
+ }
#endif
/*
* If we have no attribute changes, overwrite is cheaper.
if (ovw) {
int i;
- for (i = 0; i < n; i++)
- if ((WANT_CHAR(to_y, from_x + i) & A_ATTRIBUTES) != CURRENT_ATTR) {
+ for (i = 0; i < n; i++) {
+ NCURSES_CH_T ch = WANT_CHAR(to_y, from_x + i);
+ if (!SameAttrOf(ch, SCREEN_ATTRS(SP))
+#if USE_WIDEC_SUPPORT
+ || !Charable(ch)
+#endif
+ ) {
ovw = FALSE;
break;
}
+ }
}
if (ovw) {
int i;
for (i = 0; i < n; i++)
- *check.s_tail++ = WANT_CHAR(to_y, from_x + i);
+ *check.s_tail++ = CharOf(WANT_CHAR(to_y, from_x + i));
*check.s_tail = '\0';
check.s_size -= n;
lhcost += n * SP->_char_padding;
- } else
-#endif /* defined(REAL_ATTR) && defined(WANT_CHAR) */
- {
+ } else {
lhcost = repeated_append(&check, lhcost, SP->_cuf1_cost,
n, cursor_right);
}
if (parm_left_cursor
&& SP->_cub_cost < hcost
&& _nc_safe_strcat(_nc_str_copy(target, &save),
- tparm(parm_left_cursor, n))) {
+ TPARM_1(parm_left_cursor, n))) {
hcost = SP->_cub_cost;
}
* the simpler method below.
*/
-static inline int
+static NCURSES_INLINE int
onscreen_mvcur(int yold, int xold, int ynew, int xnew, bool ovw)
/* onscreen move from (yold, xold) to (ynew, xnew) */
{
#define InitResult _nc_str_init(&result, buffer, sizeof(buffer))
/* tactic #0: use direct cursor addressing */
- if (_nc_safe_strcpy(InitResult, tparm(SP->_address_cursor, ynew, xnew))) {
+ if (_nc_safe_strcpy(InitResult, TPARM_2(SP->_address_cursor, ynew, xnew))) {
tactic = 0;
usecost = SP->_cup_cost;
}
#endif /* !NO_OPTIMIZE */
+ nonlocal:
#if defined(MAIN) || defined(NCURSES_TEST)
gettimeofday(&after, NULL);
diff = after.tv_usec - before.tv_usec
+ (after.tv_sec - before.tv_sec) * 1000000;
if (!profiling)
(void) fprintf(stderr,
- "onscreen: %d msec, %f 28.8Kbps char-equivalents\n",
+ "onscreen: %d microsec, %f 28.8Kbps char-equivalents\n",
(int) diff, diff / 288);
#endif /* MAIN */
- nonlocal:
if (usecost != INFINITY) {
TPUTS_TRACE("mvcur");
tputs(buffer, 1, _nc_outch);
+ SP->_cursrow = ynew;
+ SP->_curscol = xnew;
return (OK);
} else
return (ERR);
}
-int
+NCURSES_EXPORT(int)
mvcur(int yold, int xold, int ynew, int xnew)
/* optimized cursor move from (yold, xold) to (ynew, xnew) */
{
- TR(TRACE_MOVE, ("mvcur(%d,%d,%d,%d) called", yold, xold, ynew, xnew));
+ NCURSES_CH_T oldattr;
+ int code;
- if (yold == ynew && xold == xnew)
- return (OK);
+ TR(TRACE_CALLS | TRACE_MOVE, (T_CALLED("mvcur(%d,%d,%d,%d)"),
+ yold, xold, ynew, xnew));
- /*
- * Most work here is rounding for terminal boundaries getting the
- * column position implied by wraparound or the lack thereof and
- * rolling up the screen to get ynew on the screen.
- */
+ if (SP == 0) {
+ code = ERR;
+ } else if (yold == ynew && xold == xnew) {
+ code = OK;
+ } else {
- if (xnew >= screen_columns) {
- ynew += xnew / screen_columns;
- xnew %= screen_columns;
- }
- if (xold >= screen_columns) {
- int l;
-
- l = (xold + 1) / screen_columns;
- yold += l;
- if (yold >= screen_lines)
- l -= (yold - screen_lines - 1);
-
- while (l > 0) {
- if (newline) {
- TPUTS_TRACE("newline");
- tputs(newline, 0, _nc_outch);
- } else
- putchar('\n');
- l--;
- if (xold > 0) {
- if (carriage_return) {
- TPUTS_TRACE("carriage_return");
- tputs(carriage_return, 0, _nc_outch);
- } else
- putchar('\r');
- xold = 0;
+ /*
+ * Most work here is rounding for terminal boundaries getting the
+ * column position implied by wraparound or the lack thereof and
+ * rolling up the screen to get ynew on the screen.
+ */
+ if (xnew >= screen_columns) {
+ ynew += xnew / screen_columns;
+ xnew %= screen_columns;
+ }
+
+ /*
+ * Force restore even if msgr is on when we're in an alternate
+ * character set -- these have a strong tendency to screw up the CR &
+ * LF used for local character motions!
+ */
+ oldattr = SCREEN_ATTRS(SP);
+ if ((AttrOf(oldattr) & A_ALTCHARSET)
+ || (AttrOf(oldattr) && !move_standout_mode)) {
+ TR(TRACE_CHARPUT, ("turning off (%#lx) %s before move",
+ (unsigned long) AttrOf(oldattr),
+ _traceattr(AttrOf(oldattr))));
+ (void) VIDATTR(A_NORMAL, 0);
+ }
+
+ if (xold >= screen_columns) {
+ int l;
+
+ if (SP->_nl) {
+ l = (xold + 1) / screen_columns;
+ yold += l;
+ if (yold >= screen_lines)
+ l -= (yold - screen_lines - 1);
+
+ if (l > 0) {
+ if (carriage_return) {
+ TPUTS_TRACE("carriage_return");
+ putp(carriage_return);
+ } else
+ _nc_outch('\r');
+ xold = 0;
+
+ while (l > 0) {
+ if (newline) {
+ TPUTS_TRACE("newline");
+ putp(newline);
+ } else
+ _nc_outch('\n');
+ l--;
+ }
+ }
+ } else {
+ /*
+ * If caller set nonl(), we cannot really use newlines to
+ * position to the next row.
+ */
+ xold = -1;
+ yold = -1;
}
}
- }
- if (yold > screen_lines - 1)
- yold = screen_lines - 1;
- if (ynew > screen_lines - 1)
- ynew = screen_lines - 1;
+ if (yold > screen_lines - 1)
+ yold = screen_lines - 1;
+ if (ynew > screen_lines - 1)
+ ynew = screen_lines - 1;
+
+ /* destination location is on screen now */
+ code = onscreen_mvcur(yold, xold, ynew, xnew, TRUE);
- /* destination location is on screen now */
- return (onscreen_mvcur(yold, xold, ynew, xnew, TRUE));
+ /*
+ * Restore attributes if we disabled them before moving.
+ */
+ if (!SameAttrOf(oldattr, SCREEN_ATTRS(SP))) {
+ TR(TRACE_CHARPUT, ("turning on (%#lx) %s after move",
+ (unsigned long) AttrOf(oldattr),
+ _traceattr(AttrOf(oldattr))));
+ (void) VIDATTR(AttrOf(oldattr), GetPair(oldattr));
+ }
+ }
+ returnCode(code);
}
#if defined(TRACE) || defined(NCURSES_TEST)
-int _nc_optimize_enable = OPTIMIZE_ALL;
+NCURSES_EXPORT_VAR(int) _nc_optimize_enable = OPTIMIZE_ALL;
#endif
#if defined(MAIN) || defined(NCURSES_TEST)
#include <tic.h>
#include <dump_entry.h>
+#include <time.h>
-const char *_nc_progname = "mvcur";
+NCURSES_EXPORT_VAR(const char *) _nc_progname = "mvcur";
static unsigned long xmits;
/* these override lib_tputs.c */
-int
+NCURSES_EXPORT(int)
tputs(const char *string, int affcnt GCC_UNUSED, int (*outc) (int) GCC_UNUSED)
/* stub tputs() that dumps sequences in a visible form */
{
return (OK);
}
-int
+NCURSES_EXPORT(int)
putp(const char *string)
{
return (tputs(string, 1, _nc_outch));
}
-int
+NCURSES_EXPORT(int)
_nc_outch(int ch)
{
putc(ch, stdout);
return OK;
}
-char PC = 0; /* used by termcap library */
-short ospeed = 0; /* used by termcap library */
-int _nc_nulls_sent = 0; /* used by 'tack' program */
-
-int
+NCURSES_EXPORT(int)
delay_output(int ms GCC_UNUSED)
{
return OK;
}
-static char tname[MAX_ALIAS];
+static char tname[PATH_MAX];
static void
load_term(void)
int
main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
{
- (void) strcpy(tname, termname());
+ strcpy(tname, getenv("TERM"));
load_term();
- _nc_setupscreen(lines, columns, stdout);
+ _nc_setupscreen(lines, columns, stdout, FALSE, 0);
baudrate();
_nc_mvcur_init();
load_term();
} else if (sscanf(buf, "d %s", capname) == 1) {
struct name_table_entry const *np = _nc_find_entry(capname,
- _nc_info_hash_table);
+ _nc_get_hash_table(FALSE));
if (np == NULL)
(void) printf("No such capability as \"%s\"\n", capname);
}
} else if (buf[0] == 'i') {
dump_init((char *) NULL, F_TERMINFO, S_TERMINFO, 70, 0, FALSE);
- dump_entry(&cur_term->type, FALSE, TRUE, 0);
+ dump_entry(&cur_term->type, FALSE, TRUE, 0, 0);
putchar('\n');
} else if (buf[0] == 'o') {
if (_nc_optimize_enable & OPTIMIZE_MVCUR) {
projects / ncurses.git / blobdiff