/****************************************************************************
- * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc. *
+ * Copyright 2018-2020,2021 Thomas E. Dickey *
+ * Copyright 1998-2016,2017 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 *
#define CUR SP_TERMTYPE
#endif
-MODULE_ID("$Id: lib_mvcur.c,v 1.126 2011/01/22 19:48:21 tom Exp $")
+MODULE_ID("$Id: lib_mvcur.c,v 1.155 2021/02/06 13:53:41 tom Exp $")
#define WANT_CHAR(sp, y, x) NewScreen(sp)->_line[y].text[x] /* desired state */
static float diff;
#endif /* MAIN */
+#undef NCURSES_OUTC_FUNC
+#define NCURSES_OUTC_FUNC myOutCh
+
#define OPT_SIZE 512
static int normalized_cost(NCURSES_SP_DCLx const char *const cap, int affcnt);
/* Set the scroll-region to a known state (the default) */
{
if (change_scroll_region) {
- NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
- "change_scroll_region",
- TPARM_2(change_scroll_region,
- 0, screen_lines(SP_PARM) - 1));
+ NCURSES_PUTP2("change_scroll_region",
+ TIPARM_2(change_scroll_region,
+ 0, screen_lines(SP_PARM) - 1));
}
}
NCURSES_SP_NAME(_nc_mvcur_resume) (NCURSES_SP_DCL0)
/* what to do at initialization time and after each shellout */
{
- if (SP_PARM && !IsTermInfo(SP_PARM))
+ if (!SP_PARM || !IsTermInfo(SP_PARM))
return;
/* initialize screen for cursor access */
if (enter_ca_mode) {
- NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
- "enter_ca_mode",
- enter_ca_mode);
+ NCURSES_PUTP2("enter_ca_mode", enter_ca_mode);
}
/*
NCURSES_SP_NAME(_nc_mvcur_init) (NCURSES_SP_DCL0)
/* initialize the cost structure */
{
- if (SP_PARM->_ofp && isatty(fileno(SP_PARM->_ofp)))
+ if (SP_PARM->_ofp && NC_ISATTY(fileno(SP_PARM->_ofp))) {
SP_PARM->_char_padding = ((BAUDBYTE * 1000 * 10)
/ (BAUDRATE(SP_PARM) > 0
? BAUDRATE(SP_PARM)
: 9600));
- else
+ } else {
SP_PARM->_char_padding = 1; /* must be nonzero */
+ }
if (SP_PARM->_char_padding <= 0)
SP_PARM->_char_padding = 1; /* must be nonzero */
TR(TRACE_CHARPUT | TRACE_MOVE, ("char_padding %d msecs", SP_PARM->_char_padding));
SP_PARM->_home_cost = CostOf(cursor_home, 0);
SP_PARM->_ll_cost = CostOf(cursor_to_ll, 0);
#if USE_HARD_TABS
- if (getenv("NCURSES_NO_HARD_TABS") == 0) {
+ if (getenv("NCURSES_NO_HARD_TABS") == 0
+ && dest_tabs_magic_smso == 0
+ && HasHardTabs()) {
SP_PARM->_ht_cost = CostOf(tab, 0);
SP_PARM->_cbt_cost = CostOf(back_tab, 0);
} else {
* All these averages depend on the assumption that all parameter values
* are equally probable.
*/
- SP_PARM->_cup_cost = CostOf(TPARM_2(SP_PARM->_address_cursor, 23, 23), 1);
- SP_PARM->_cub_cost = CostOf(TPARM_1(parm_left_cursor, 23), 1);
- SP_PARM->_cuf_cost = CostOf(TPARM_1(parm_right_cursor, 23), 1);
- SP_PARM->_cud_cost = CostOf(TPARM_1(parm_down_cursor, 23), 1);
- SP_PARM->_cuu_cost = CostOf(TPARM_1(parm_up_cursor, 23), 1);
- SP_PARM->_hpa_cost = CostOf(TPARM_1(column_address, 23), 1);
- SP_PARM->_vpa_cost = CostOf(TPARM_1(row_address, 23), 1);
+ SP_PARM->_cup_cost = CostOf(TIPARM_2(SP_PARM->_address_cursor, 23, 23), 1);
+ SP_PARM->_cub_cost = CostOf(TIPARM_1(parm_left_cursor, 23), 1);
+ SP_PARM->_cuf_cost = CostOf(TIPARM_1(parm_right_cursor, 23), 1);
+ SP_PARM->_cud_cost = CostOf(TIPARM_1(parm_down_cursor, 23), 1);
+ SP_PARM->_cuu_cost = CostOf(TIPARM_1(parm_up_cursor, 23), 1);
+ SP_PARM->_hpa_cost = CostOf(TIPARM_1(column_address, 23), 1);
+ SP_PARM->_vpa_cost = CostOf(TIPARM_1(row_address, 23), 1);
/* non-parameterized screen-update strings */
SP_PARM->_ed_cost = NormalizedCost(clr_eos, 1);
SP_PARM->_el_cost = 0;
/* parameterized screen-update strings */
- SP_PARM->_dch_cost = NormalizedCost(TPARM_1(parm_dch, 23), 1);
- SP_PARM->_ich_cost = NormalizedCost(TPARM_1(parm_ich, 23), 1);
- SP_PARM->_ech_cost = NormalizedCost(TPARM_1(erase_chars, 23), 1);
- SP_PARM->_rep_cost = NormalizedCost(TPARM_2(repeat_char, ' ', 23), 1);
-
- SP_PARM->_cup_ch_cost = NormalizedCost(
- TPARM_2(SP_PARM->_address_cursor,
- 23, 23),
- 1);
- SP_PARM->_hpa_ch_cost = NormalizedCost(TPARM_1(column_address, 23), 1);
- SP_PARM->_cuf_ch_cost = NormalizedCost(TPARM_1(parm_right_cursor, 23), 1);
+ SP_PARM->_dch_cost = NormalizedCost(TIPARM_1(parm_dch, 23), 1);
+ SP_PARM->_ich_cost = NormalizedCost(TIPARM_1(parm_ich, 23), 1);
+ SP_PARM->_ech_cost = NormalizedCost(TIPARM_1(erase_chars, 23), 1);
+ SP_PARM->_rep_cost = NormalizedCost(TIPARM_2(repeat_char, ' ', 23), 1);
+
+ SP_PARM->_cup_ch_cost = NormalizedCost(TIPARM_2(SP_PARM->_address_cursor,
+ 23, 23),
+ 1);
+ SP_PARM->_hpa_ch_cost = NormalizedCost(TIPARM_1(column_address, 23), 1);
+ SP_PARM->_cuf_ch_cost = NormalizedCost(TIPARM_1(parm_right_cursor, 23), 1);
SP_PARM->_inline_cost = min(SP_PARM->_cup_ch_cost,
min(SP_PARM->_hpa_ch_cost,
SP_PARM->_cuf_ch_cost));
/*
* A different, possibly better way to arrange this would be to set the
- * SCREEN's _endwin to TRUE at window initialization time and let this be
- * called by doupdate's return-from-shellout code.
+ * SCREEN's _endwin at window initialization time and let this be called by
+ * doupdate's return-from-shellout code.
*/
NCURSES_SP_NAME(_nc_mvcur_resume) (NCURSES_SP_ARG);
}
}
if (exit_ca_mode) {
- NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
- "exit_ca_mode",
- exit_ca_mode);
+ NCURSES_PUTP2("exit_ca_mode", exit_ca_mode);
}
/*
* Reset terminal's tab counter. There's a long-time bug that
int from_x,
int to_y,
int to_x,
- bool ovw)
+ int ovw)
/* move via local motions (cuu/cuu1/cud/cud1/cub1/cub/cuf1/cuf/vpa/hpa) */
{
string_desc save;
vcost = INFINITY;
if (row_address != 0
- && _nc_safe_strcat(target, TPARM_1(row_address, to_y))) {
+ && _nc_safe_strcat(target, TIPARM_1(row_address, to_y))) {
vcost = SP_PARM->_vpa_cost;
}
if (parm_down_cursor
&& SP_PARM->_cud_cost < vcost
&& _nc_safe_strcat(_nc_str_copy(target, &save),
- TPARM_1(parm_down_cursor, n))) {
+ TIPARM_1(parm_down_cursor, n))) {
vcost = SP_PARM->_cud_cost;
}
if (cursor_down
- && (*cursor_down != '\n' || SP_PARM->_nl)
+ && (*cursor_down != '\n')
&& (n * SP_PARM->_cud1_cost < vcost)) {
vcost = repeated_append(_nc_str_copy(target, &save), 0,
SP_PARM->_cud1_cost, n, cursor_down);
if (parm_up_cursor
&& SP_PARM->_cuu_cost < vcost
&& _nc_safe_strcat(_nc_str_copy(target, &save),
- TPARM_1(parm_up_cursor, n))) {
+ TIPARM_1(parm_up_cursor, n))) {
vcost = SP_PARM->_cuu_cost;
}
if (column_address
&& _nc_safe_strcat(_nc_str_copy(target, &save),
- TPARM_1(column_address, to_x))) {
+ TIPARM_1(column_address, to_x))) {
hcost = SP_PARM->_hpa_cost;
}
if (parm_right_cursor
&& SP_PARM->_cuf_cost < hcost
&& _nc_safe_strcat(_nc_str_copy(target, &save),
- TPARM_1(parm_right_cursor, n))) {
+ TIPARM_1(parm_right_cursor, n))) {
hcost = SP_PARM->_cuf_cost;
}
if (parm_left_cursor
&& SP_PARM->_cub_cost < hcost
&& _nc_safe_strcat(_nc_str_copy(target, &save),
- TPARM_1(parm_left_cursor, n))) {
+ TIPARM_1(parm_left_cursor, n))) {
hcost = SP_PARM->_cub_cost;
}
*/
static NCURSES_INLINE int
-onscreen_mvcur(NCURSES_SP_DCLx int yold, int xold, int ynew, int xnew, bool ovw)
+onscreen_mvcur(NCURSES_SP_DCLx
+ int yold, int xold,
+ int ynew, int xnew, int ovw,
+ NCURSES_SP_OUTC myOutCh)
/* onscreen move from (yold, xold) to (ynew, xnew) */
{
string_desc result;
#define InitResult _nc_str_init(&result, buffer, sizeof(buffer))
/* tactic #0: use direct cursor addressing */
- if (_nc_safe_strcpy(InitResult, TPARM_2(SP_PARM->_address_cursor, ynew, xnew))) {
+ if (_nc_safe_strcpy(InitResult, TIPARM_2(SP_PARM->_address_cursor,
+ ynew, xnew))) {
tactic = 0;
usecost = SP_PARM->_cup_cost;
#endif /* MAIN */
if (usecost != INFINITY) {
+ TR(TRACE_MOVE, ("mvcur tactic %d", tactic));
TPUTS_TRACE("mvcur");
NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
- buffer, 1, NCURSES_SP_NAME(_nc_outch));
+ buffer, 1, myOutCh);
SP_PARM->_cursrow = ynew;
SP_PARM->_curscol = xnew;
return (OK);
return (ERR);
}
-NCURSES_EXPORT(int)
-TINFO_MVCUR(NCURSES_SP_DCLx int yold, int xold, int ynew, int xnew)
-/* optimized cursor move from (yold, xold) to (ynew, xnew) */
+/*
+ * optimized cursor move from (yold, xold) to (ynew, xnew)
+ */
+static int
+_nc_real_mvcur(NCURSES_SP_DCLx
+ int yold, int xold,
+ int ynew, int xnew,
+ NCURSES_SP_OUTC myOutCh,
+ int ovw)
{
NCURSES_CH_T oldattr;
int code;
- TR(TRACE_CALLS | TRACE_MOVE, (T_CALLED("_nc_tinfo_mvcur(%p,%d,%d,%d,%d)"),
+ TR(TRACE_CALLS | TRACE_MOVE, (T_CALLED("_nc_real_mvcur(%p,%d,%d,%d,%d)"),
(void *) SP_PARM, yold, xold, ynew, xnew));
if (SP_PARM == 0) {
TR(TRACE_CHARPUT, ("turning off (%#lx) %s before move",
(unsigned long) AttrOf(oldattr),
_traceattr(AttrOf(oldattr))));
- (void) VIDATTR(SP_PARM, A_NORMAL, 0);
+ VIDPUTS(SP_PARM, A_NORMAL, 0);
}
if (xold >= screen_columns(SP_PARM)) {
- int l;
-
- if (SP_PARM->_nl) {
- l = (xold + 1) / screen_columns(SP_PARM);
- yold += l;
- if (yold >= screen_lines(SP_PARM))
- l -= (yold - screen_lines(SP_PARM) - 1);
-
- if (l > 0) {
- if (carriage_return) {
- NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
- "carriage_return",
- carriage_return);
- } else
- NCURSES_SP_NAME(_nc_outch) (NCURSES_SP_ARGx '\r');
- xold = 0;
-
- while (l > 0) {
- if (newline) {
- NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
- "newline",
- newline);
- } else
- NCURSES_SP_NAME(_nc_outch) (NCURSES_SP_ARGx '\n');
- l--;
+
+ int l = (xold + 1) / screen_columns(SP_PARM);
+
+ yold += l;
+ if (yold >= screen_lines(SP_PARM))
+ l -= (yold - screen_lines(SP_PARM) - 1);
+
+ if (l > 0) {
+ if (carriage_return) {
+ NCURSES_PUTP2("carriage_return", carriage_return);
+ } else {
+ myOutCh(NCURSES_SP_ARGx '\r');
+ }
+ xold = 0;
+
+ while (l > 0) {
+ if (newline) {
+ NCURSES_PUTP2("newline", newline);
+ } else {
+ myOutCh(NCURSES_SP_ARGx '\n');
}
+ l--;
}
- } else {
- /*
- * If caller set nonl(), we cannot really use newlines to
- * position to the next row.
- */
- xold = -1;
- yold = -1;
}
}
ynew = screen_lines(SP_PARM) - 1;
/* destination location is on screen now */
- code = onscreen_mvcur(NCURSES_SP_ARGx yold, xold, ynew, xnew, TRUE);
+ code = onscreen_mvcur(NCURSES_SP_ARGx yold, xold, ynew, xnew, ovw, myOutCh);
/*
* Restore attributes if we disabled them before moving.
TR(TRACE_CHARPUT, ("turning on (%#lx) %s after move",
(unsigned long) AttrOf(oldattr),
_traceattr(AttrOf(oldattr))));
- (void) VIDATTR(SP_PARM, AttrOf(oldattr), GetPair(oldattr));
+ VIDPUTS(SP_PARM, AttrOf(oldattr), GetPair(oldattr));
}
}
returnCode(code);
}
-#if NCURSES_SP_FUNCS && !defined(USE_TERM_DRIVER)
+/*
+ * These entrypoints are used within the library.
+ */
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(_nc_mvcur) (NCURSES_SP_DCLx
+ int yold, int xold,
+ int ynew, int xnew)
+{
+ int rc;
+ rc = _nc_real_mvcur(NCURSES_SP_ARGx yold, xold, ynew, xnew,
+ NCURSES_SP_NAME(_nc_outch),
+ TRUE);
+ /*
+ * With the terminal-driver, we cannot distinguish between internal and
+ * external calls. Flush the output if the screen has not been
+ * initialized, e.g., when used from low-level terminfo programs.
+ */
+ if ((SP_PARM != 0) && (SP_PARM->_endwin == ewInitial))
+ NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
+ return rc;
+}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+_nc_mvcur(int yold, int xold,
+ int ynew, int xnew)
+{
+ return NCURSES_SP_NAME(_nc_mvcur) (CURRENT_SCREEN, yold, xold, ynew, xnew);
+}
+#endif
+
+#if defined(USE_TERM_DRIVER)
+/*
+ * The terminal driver does not support the external "mvcur()".
+ */
+NCURSES_EXPORT(int)
+TINFO_MVCUR(NCURSES_SP_DCLx int yold, int xold, int ynew, int xnew)
+{
+ int rc;
+ rc = _nc_real_mvcur(NCURSES_SP_ARGx
+ yold, xold,
+ ynew, xnew,
+ NCURSES_SP_NAME(_nc_outch),
+ TRUE);
+ if ((SP_PARM != 0) && (SP_PARM->_endwin == ewInitial))
+ NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
+ NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
+ return rc;
+}
+
+#else /* !USE_TERM_DRIVER */
+
+/*
+ * These entrypoints support users of the library.
+ */
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(mvcur) (NCURSES_SP_DCLx int yold, int xold, int ynew,
+ int xnew)
+{
+ return _nc_real_mvcur(NCURSES_SP_ARGx
+ yold, xold,
+ ynew, xnew,
+ NCURSES_SP_NAME(_nc_putchar),
+ FALSE);
+}
+
+#if NCURSES_SP_FUNCS
NCURSES_EXPORT(int)
mvcur(int yold, int xold, int ynew, int xnew)
{
return NCURSES_SP_NAME(mvcur) (CURRENT_SCREEN, yold, xold, ynew, xnew);
}
#endif
+#endif /* USE_TERM_DRIVER */
#if defined(TRACE) || defined(NCURSES_TEST)
NCURSES_EXPORT_VAR(int) _nc_optimize_enable = OPTIMIZE_ALL;
int
main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
{
- strcpy(tname, getenv("TERM"));
+ _nc_STRCPY(tname, getenv("TERM"), sizeof(tname));
load_term();
_nc_setupscreen(lines, columns, stdout, FALSE, 0);
baudrate();
_nc_mvcur_init();
- NC_BUFFERED(FALSE);
(void) puts("The mvcur tester. Type ? for help");
int fy, fx, ty, tx, n, i;
char buf[BUFSIZ], capname[BUFSIZ];
- (void) fputs("> ", stdout);
- (void) fgets(buf, sizeof(buf), stdin);
+ if (fputs("> ", stdout) == EOF)
+ break;
+ if (fgets(buf, sizeof(buf), stdin) == 0)
+ break;
+#define PUTS(s) (void) puts(s)
+#define PUTF(s,t) (void) printf(s,t)
if (buf[0] == '?') {
- (void) puts("? -- display this help message");
- (void)
- puts("fy fx ty tx -- (4 numbers) display (fy,fx)->(ty,tx) move");
- (void) puts("s[croll] n t b m -- display scrolling sequence");
- (void)
- printf("r[eload] -- reload terminal info for %s\n",
- termname());
- (void)
- puts("l[oad] <term> -- load terminal info for type <term>");
- (void) puts("d[elete] <cap> -- delete named capability");
- (void) puts("i[nspect] -- display terminal capabilities");
- (void)
- puts("c[ost] -- dump cursor-optimization cost table");
- (void) puts("o[optimize] -- toggle movement optimization");
- (void)
- puts("t[orture] <num> -- torture-test with <num> random moves");
- (void) puts("q[uit] -- quit the program");
+ PUTS("? -- display this help message");
+ PUTS("fy fx ty tx -- (4 numbers) display (fy,fx)->(ty,tx) move");
+ PUTS("s[croll] n t b m -- display scrolling sequence");
+ PUTF("r[eload] -- reload terminal info for %s\n",
+ termname());
+ PUTS("l[oad] <term> -- load terminal info for type <term>");
+ PUTS("d[elete] <cap> -- delete named capability");
+ PUTS("i[nspect] -- display terminal capabilities");
+ PUTS("c[ost] -- dump cursor-optimization cost table");
+ PUTS("o[optimize] -- toggle movement optimization");
+ PUTS("t[orture] <num> -- torture-test with <num> random moves");
+ PUTS("q[uit] -- quit the program");
} else if (sscanf(buf, "%d %d %d %d", &fy, &fx, &ty, &tx) == 4) {
struct timeval before, after;
before.tv_sec)
* 1000000));
} else if (buf[0] == 'r') {
- (void) strcpy(tname, termname());
+ _nc_STRCPY(tname, termname(), sizeof(tname));
load_term();
} else if (sscanf(buf, "l %s", tname) == 1) {
load_term();
}
}
} else if (buf[0] == 'i') {
- dump_init((char *) NULL, F_TERMINFO, S_TERMINFO, 70, 0, FALSE);
- dump_entry(&cur_term->type, FALSE, TRUE, 0, 0);
+ dump_init(NULL, F_TERMINFO, S_TERMINFO,
+ FALSE, 70, 0, 0, FALSE, FALSE, 0);
+ dump_entry(&TerminalType(cur_term), FALSE, TRUE, 0, 0);
putchar('\n');
} else if (buf[0] == 'o') {
if (_nc_optimize_enable & OPTIMIZE_MVCUR) {
projects / ncurses.git / blobdiff