X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftty%2Flib_mvcur.c;h=4e285ba66796ad70251c4d22d680e0787adb882b;hp=2b6ea7aefec766c34cb71a8fc4baabb9ae7dfb8f;hb=c3b21f65a2687f3894a0d3217006c23f162c893a;hpb=8fc9fa113b27e0749e0840fef04c9d4acad4aae7 diff --git a/ncurses/tty/lib_mvcur.c b/ncurses/tty/lib_mvcur.c index 2b6ea7ae..4e285ba6 100644 --- a/ncurses/tty/lib_mvcur.c +++ b/ncurses/tty/lib_mvcur.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc. * + * Copyright (c) 1998-2015,2016 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 * @@ -159,9 +159,9 @@ #define CUR SP_TERMTYPE #endif -MODULE_ID("$Id: lib_mvcur.c,v 1.121 2009/08/30 16:52:00 tom Exp $") +MODULE_ID("$Id: lib_mvcur.c,v 1.140 2016/10/01 17:37:33 tom Exp $") -#define WANT_CHAR(sp, y, x) (sp)->_newscr->_line[y].text[x] /* desired state */ +#define WANT_CHAR(sp, y, x) NewScreen(sp)->_line[y].text[x] /* desired state */ #if NCURSES_SP_FUNCS #define BAUDRATE(sp) sp->_term->_baudrate /* bits per second */ @@ -176,6 +176,9 @@ static bool profiling = FALSE; 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); @@ -231,19 +234,20 @@ NCURSES_SP_NAME(_nc_msec_cost) (NCURSES_SP_DCLx const char *const cap, int affcn for (cp += 2; *cp != '>'; cp++) { if (isdigit(UChar(*cp))) - number = number * 10 + (*cp - '0'); + number = number * 10 + (float) (*cp - '0'); else if (*cp == '*') - number *= affcnt; + number *= (float) affcnt; else if (*cp == '.' && (*++cp != '>') && isdigit(UChar(*cp))) - number += (*cp - '0') / 10.0; + number += (float) ((*cp - '0') / 10.0); } #if NCURSES_NO_PADDING if (!GetNoPadding(SP_PARM)) #endif cum_cost += number * 10; - } else - cum_cost += SP_PARM->_char_padding; + } else if (SP_PARM) { + cum_cost += (float) SP_PARM->_char_padding; + } } return ((int) cum_cost); @@ -273,10 +277,9 @@ reset_scroll_region(NCURSES_SP_DCL0) /* 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", + TPARM_2(change_scroll_region, + 0, screen_lines(SP_PARM) - 1)); } } @@ -284,14 +287,12 @@ NCURSES_EXPORT(void) 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); } /* @@ -326,13 +327,14 @@ NCURSES_EXPORT(void) 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)); @@ -469,7 +471,7 @@ NCURSES_SP_NAME(_nc_mvcur_wrap) (NCURSES_SP_DCL0) /* leave cursor at screen bottom */ TINFO_MVCUR(NCURSES_SP_ARGx -1, -1, screen_lines(SP_PARM) - 1, 0); - if (SP_PARM && !IsTermInfo(SP_PARM)) + if (!SP_PARM || !IsTermInfo(SP_PARM)) return; /* set cursor to normal mode */ @@ -480,9 +482,7 @@ NCURSES_SP_NAME(_nc_mvcur_wrap) (NCURSES_SP_DCL0) } 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 @@ -515,7 +515,7 @@ _nc_mvcur_wrap(void) static NCURSES_INLINE int repeated_append(string_desc * target, int total, int num, int repeat, const char *src) { - size_t need = repeat * strlen(src); + size_t need = (size_t) repeat * strlen(src); if (need < target->s_size) { while (repeat-- > 0) { @@ -548,7 +548,7 @@ relative_move(NCURSES_SP_DCLx 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; @@ -695,7 +695,7 @@ relative_move(NCURSES_SP_DCLx *check.s_tail++ = (char) CharOf(WANT_CHAR(SP_PARM, to_y, from_x + i)); *check.s_tail = '\0'; - check.s_size -= n; + check.s_size -= (size_t) n; lhcost += n * SP_PARM->_char_padding; } else { lhcost = repeated_append(&check, lhcost, SP_PARM->_cuf1_cost, @@ -769,7 +769,10 @@ relative_move(NCURSES_SP_DCLx */ 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; @@ -934,7 +937,7 @@ onscreen_mvcur(NCURSES_SP_DCLx int yold, int xold, int ynew, int xnew, bool ovw) if (usecost != INFINITY) { 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); @@ -942,15 +945,21 @@ onscreen_mvcur(NCURSES_SP_DCLx int yold, int xold, int ynew, int xnew, bool ovw) 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)"), - SP_PARM, yold, xold, ynew, xnew)); + (void *) SP_PARM, yold, xold, ynew, xnew)); if (SP_PARM == 0) { code = ERR; @@ -983,30 +992,28 @@ TINFO_MVCUR(NCURSES_SP_DCLx int yold, int xold, int ynew, int xnew) } if (xold >= screen_columns(SP_PARM)) { - int l; if (SP_PARM->_nl) { - l = (xold + 1) / screen_columns(SP_PARM); + 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_SP_NAME(_nc_putp) (NCURSES_SP_ARGx - "carriage_return", - carriage_return); - } else - NCURSES_SP_NAME(_nc_outch) (NCURSES_SP_ARGx '\r'); + NCURSES_PUTP2("carriage_return", carriage_return); + } else { + myOutCh(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'); + NCURSES_PUTP2("newline", newline); + } else { + myOutCh(NCURSES_SP_ARGx '\n'); + } l--; } } @@ -1026,7 +1033,7 @@ TINFO_MVCUR(NCURSES_SP_DCLx int yold, int xold, int ynew, int xnew) 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. @@ -1041,13 +1048,66 @@ TINFO_MVCUR(NCURSES_SP_DCLx int yold, int xold, int ynew, int xnew) 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) +{ + return _nc_real_mvcur(NCURSES_SP_ARGx yold, xold, ynew, xnew, + NCURSES_SP_NAME(_nc_outch), + TRUE); +} + +#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) +{ + return _nc_real_mvcur(NCURSES_SP_ARGx + yold, xold, + ynew, xnew, + NCURSES_SP_NAME(_nc_outch), + TRUE); +} + +#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; @@ -1121,13 +1181,12 @@ roll(int n) 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"); @@ -1186,7 +1245,7 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED) 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(); @@ -1219,7 +1278,8 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED) } } } else if (buf[0] == 'i') { - dump_init((char *) NULL, F_TERMINFO, S_TERMINFO, 70, 0, FALSE); + dump_init(NULL, F_TERMINFO, S_TERMINFO, + FALSE, 70, 0, 0, FALSE, FALSE, 0); dump_entry(&cur_term->type, FALSE, TRUE, 0, 0); putchar('\n'); } else if (buf[0] == 'o') {