X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftty%2Ftty_update.c;h=20f9349bd6888445c32fe5f0f628e19b56101fdd;hp=4e43e2b016843ce0422ccba50c057a540153967b;hb=0af9283ca273c267ee6036c3b88115d9ba6d55a6;hpb=90d42867e1296bc79021006a92032c76e59068b6 diff --git a/ncurses/tty/tty_update.c b/ncurses/tty/tty_update.c index 4e43e2b0..20f9349b 100644 --- a/ncurses/tty/tty_update.c +++ b/ncurses/tty/tty_update.c @@ -1,5 +1,6 @@ /**************************************************************************** - * Copyright (c) 1998-2016,2017 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 * @@ -84,7 +85,7 @@ #include -MODULE_ID("$Id: tty_update.c,v 1.287 2017/02/28 22:13:45 tom Exp $") +MODULE_ID("$Id: tty_update.c,v 1.310 2021/02/06 14:24:38 tom Exp $") /* * This define controls the line-breakout optimization. Every once in a @@ -116,14 +117,14 @@ static int ClrBottom(SCREEN *, int total); static void ClearScreen(SCREEN *, NCURSES_CH_T blank); static void ClrUpdate(SCREEN *); static void DelChar(SCREEN *, int count); -static void InsStr(SCREEN *, NCURSES_CH_T * line, int count); +static void InsStr(SCREEN *, NCURSES_CH_T *line, int count); static void TransformLine(SCREEN *, int const lineno); #else static int ClrBottom(int total); static void ClearScreen(NCURSES_CH_T blank); static void ClrUpdate(void); static void DelChar(int count); -static void InsStr(NCURSES_CH_T * line, int count); +static void InsStr(NCURSES_CH_T *line, int count); static void TransformLine(int const lineno); #endif @@ -135,7 +136,7 @@ static void TransformLine(int const lineno); ****************************************************************************/ static void -position_check(NCURSES_SP_DCLx int expected_y, int expected_x, char *legend) +position_check(NCURSES_SP_DCLx int expected_y, int expected_x, const char *legend) /* check to see if the real cursor position matches the virtual */ { char buf[20]; @@ -169,9 +170,9 @@ position_check(NCURSES_SP_DCLx int expected_y, int expected_x, char *legend) if (y - 1 != expected_y || x - 1 != expected_x) { NCURSES_SP_NAME(beep) (NCURSES_SP_ARG); NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx - tparm("\033[%d;%dH", - expected_y + 1, - expected_x + 1), + TIPARM_2("\033[%d;%dH", + expected_y + 1, + expected_x + 1), 1, NCURSES_SP_NAME(_nc_outch)); _tracef("position seen (%d, %d) doesn't match expected one (%d, %d) in %s", y - 1, x - 1, expected_y, expected_x, legend); @@ -210,73 +211,8 @@ GoTo(NCURSES_SP_DCLx int const row, int const col) } #if !NCURSES_WCWIDTH_GRAPHICS -static bool -is_wacs_value(unsigned ch) -{ - bool result; - switch (ch) { - case 0x00a3: /* FALLTHRU - ncurses pound-sterling symbol */ - case 0x00b0: /* FALLTHRU - VT100 degree symbol */ - case 0x00b1: /* FALLTHRU - VT100 plus/minus */ - case 0x00b7: /* FALLTHRU - VT100 bullet */ - case 0x03c0: /* FALLTHRU - ncurses greek pi */ - case 0x2190: /* FALLTHRU - Teletype arrow pointing left */ - case 0x2191: /* FALLTHRU - Teletype arrow pointing up */ - case 0x2192: /* FALLTHRU - Teletype arrow pointing right */ - case 0x2193: /* FALLTHRU - Teletype arrow pointing down */ - case 0x2260: /* FALLTHRU - ncurses not-equal */ - case 0x2264: /* FALLTHRU - ncurses less-than-or-equal-to */ - case 0x2265: /* FALLTHRU - ncurses greater-than-or-equal-to */ - case 0x23ba: /* FALLTHRU - VT100 scan line 1 */ - case 0x23bb: /* FALLTHRU - ncurses scan line 3 */ - case 0x23bc: /* FALLTHRU - ncurses scan line 7 */ - case 0x23bd: /* FALLTHRU - VT100 scan line 9 */ - case 0x2500: /* FALLTHRU - VT100 horizontal line */ - case 0x2501: /* FALLTHRU - thick horizontal line */ - case 0x2502: /* FALLTHRU - VT100 vertical line */ - case 0x2503: /* FALLTHRU - thick vertical line */ - case 0x250c: /* FALLTHRU - VT100 upper left corner */ - case 0x250f: /* FALLTHRU - thick upper left corner */ - case 0x2510: /* FALLTHRU - VT100 upper right corner */ - case 0x2513: /* FALLTHRU - thick upper right corner */ - case 0x2514: /* FALLTHRU - VT100 lower left corner */ - case 0x2517: /* FALLTHRU - thick lower left corner */ - case 0x2518: /* FALLTHRU - VT100 lower right corner */ - case 0x251b: /* FALLTHRU - thick lower right corner */ - case 0x251c: /* FALLTHRU - VT100 tee pointing left */ - case 0x2523: /* FALLTHRU - thick tee pointing left */ - case 0x2524: /* FALLTHRU - VT100 tee pointing right */ - case 0x252b: /* FALLTHRU - thick tee pointing right */ - case 0x252c: /* FALLTHRU - VT100 tee pointing down */ - case 0x2533: /* FALLTHRU - thick tee pointing down */ - case 0x2534: /* FALLTHRU - VT100 tee pointing up */ - case 0x253b: /* FALLTHRU - thick tee pointing up */ - case 0x253c: /* FALLTHRU - VT100 large plus or crossover */ - case 0x254b: /* FALLTHRU - thick large plus or crossover */ - case 0x2550: /* FALLTHRU - double horizontal line */ - case 0x2551: /* FALLTHRU - double vertical line */ - case 0x2554: /* FALLTHRU - double upper left corner */ - case 0x2557: /* FALLTHRU - double upper right corner */ - case 0x255a: /* FALLTHRU - double lower left corner */ - case 0x255d: /* FALLTHRU - double lower right corner */ - case 0x2560: /* FALLTHRU - double tee pointing right */ - case 0x2563: /* FALLTHRU - double tee pointing left */ - case 0x2566: /* FALLTHRU - double tee pointing down */ - case 0x2569: /* FALLTHRU - double tee pointing up */ - case 0x256c: /* FALLTHRU - double large plus or crossover */ - case 0x2592: /* FALLTHRU - VT100 checker board (stipple) */ - case 0x25ae: /* FALLTHRU - Teletype solid square block */ - case 0x25c6: /* FALLTHRU - VT100 diamond */ - case 0x2603: /* FALLTHRU - Teletype lantern symbol */ - result = TRUE; - break; - default: - result = FALSE; - break; - } - return result; -} -#endif +#define is_wacs_value(ch) (_nc_wacs_width(ch) == 1 && wcwidth(ch) > 1) +#endif /* !NCURSES_WCWIDTH_GRAPHICS */ static NCURSES_INLINE void PutAttrChar(NCURSES_SP_DCLx CARG_CH_T ch) @@ -304,7 +240,7 @@ PutAttrChar(NCURSES_SP_DCLx CARG_CH_T ch) * Determine the number of character cells which the 'ch' value will use * on the screen. It should be at least one. */ - if ((chlen = wcwidth(CharOf(CHDEREF(ch)))) <= 0) { + if ((chlen = _nc_wacs_width(CharOf(CHDEREF(ch)))) <= 0) { static const NCURSES_CH_T blank = NewChar(BLANK_TEXT); /* @@ -344,7 +280,9 @@ PutAttrChar(NCURSES_SP_DCLx CARG_CH_T ch) || is_wacs_value(CharOfD(ch)) #endif )) { + int c8; my_ch = CHDEREF(ch); /* work around const param */ + c8 = CharOf(my_ch); #if USE_WIDEC_SUPPORT /* * This is crude & ugly, but works most of the time. It checks if the @@ -368,8 +306,23 @@ PutAttrChar(NCURSES_SP_DCLx CARG_CH_T ch) chlen = 1; } #endif /* !NCURSES_WCWIDTH_GRAPHICS */ - } + } else #endif + if (!SP_PARM->_screen_acs_map[c8]) { + /* + * If we found no mapping for a given alternate-character set item + * in the terminal description, attempt to use the ASCII fallback + * code which is populated in the _acs_map[] array. If that did + * not correspond to a line-drawing, etc., graphics character, the + * array entry would be empty. + */ + chtype temp = UChar(SP_PARM->_acs_map[c8]); + if (temp) { + RemAttr(attr, A_ALTCHARSET); + SetChar(my_ch, temp, AttrOf(attr)); + } + } + /* * If we (still) have alternate character set, it is the normal 8bit * flavor. The _screen_acs_map[] array tells if the character was @@ -476,11 +429,12 @@ PutCharLR(NCURSES_SP_DCLx const ARG_CH_T ch) /* we can put the char directly */ PutAttrChar(NCURSES_SP_ARGx ch); } else if (enter_am_mode && exit_am_mode) { + int oldcol = SP_PARM->_curscol; /* we can suppress automargin */ NCURSES_PUTP2("exit_am_mode", exit_am_mode); PutAttrChar(NCURSES_SP_ARGx ch); - SP_PARM->_curscol--; + SP_PARM->_curscol = oldcol; position_check(NCURSES_SP_ARGx SP_PARM->_cursrow, SP_PARM->_curscol, @@ -535,7 +489,7 @@ wrap_cursor(NCURSES_SP_DCL0) TR(TRACE_CHARPUT, ("turning off (%#lx) %s before wrapping", (unsigned long) AttrOf(SCREEN_ATTRS(SP_PARM)), _traceattr(AttrOf(SCREEN_ATTRS(SP_PARM))))); - (void) VIDATTR(SP_PARM, A_NORMAL, 0); + VIDPUTS(SP_PARM, A_NORMAL, 0); } } else { SP_PARM->_curscol--; @@ -614,7 +568,7 @@ can_clear_with(NCURSES_SP_DCLx ARG_CH_T ch) * This code is optimized using ech and rep. */ static int -EmitRange(NCURSES_SP_DCLx const NCURSES_CH_T * ntext, int num) +EmitRange(NCURSES_SP_DCLx const NCURSES_CH_T *ntext, int num) { int i; @@ -652,7 +606,7 @@ EmitRange(NCURSES_SP_DCLx const NCURSES_CH_T * ntext, int num) && runcount > SP_PARM->_ech_cost + SP_PARM->_cup_ch_cost && can_clear_with(NCURSES_SP_ARGx CHREF(ntext0))) { UpdateAttrs(SP_PARM, ntext0); - NCURSES_PUTP2("erase_chars", TPARM_1(erase_chars, runcount)); + NCURSES_PUTP2("erase_chars", TIPARM_1(erase_chars, runcount)); /* * If this is the last part of the given interval, @@ -666,7 +620,18 @@ EmitRange(NCURSES_SP_DCLx const NCURSES_CH_T * ntext, int num) } else { return 1; /* cursor stays in the middle */ } - } else if (repeat_char && runcount > SP_PARM->_rep_cost) { + } else if (repeat_char != 0 && +#if BSD_TPUTS + !isdigit(UChar(CharOf(ntext0))) && +#endif +#if USE_WIDEC_SUPPORT + (!SP_PARM->_screen_unicode && + (CharOf(ntext0) < ((AttrOf(ntext0) & A_ALTCHARSET) + ? ACS_LEN + : 256))) && +#endif + runcount > SP_PARM->_rep_cost) { + NCURSES_CH_T temp; bool wrap_possible = (SP_PARM->_curscol + runcount >= screen_columns(SP_PARM)); int rep_count = runcount; @@ -675,10 +640,18 @@ EmitRange(NCURSES_SP_DCLx const NCURSES_CH_T * ntext, int num) rep_count--; UpdateAttrs(SP_PARM, ntext0); + temp = ntext0; + if ((AttrOf(temp) & A_ALTCHARSET) && + SP_PARM->_acs_map != 0 && + (SP_PARM->_acs_map[CharOf(temp)] & A_CHARTEXT) != 0) { + SetChar(temp, + (SP_PARM->_acs_map[CharOf(ntext0)] & A_CHARTEXT), + AttrOf(ntext0) | A_ALTCHARSET); + } NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx - TPARM_2(repeat_char, - CharOf(ntext0), - rep_count), + TIPARM_2(repeat_char, + CharOf(temp), + rep_count), 1, NCURSES_SP_NAME(_nc_outch)); SP_PARM->_curscol += rep_count; @@ -710,8 +683,8 @@ EmitRange(NCURSES_SP_DCLx const NCURSES_CH_T * ntext, int num) */ static int PutRange(NCURSES_SP_DCLx - const NCURSES_CH_T * otext, - const NCURSES_CH_T * ntext, + const NCURSES_CH_T *otext, + const NCURSES_CH_T *ntext, int row, int first, int last) { @@ -769,9 +742,12 @@ TINFO_DOUPDATE(NCURSES_SP_DCL0) T((T_CALLED("_nc_tinfo:doupdate(%p)"), (void *) SP_PARM)); - if (SP_PARM == 0) - returnCode(ERR); + _nc_lock_global(update); + if (SP_PARM == 0) { + _nc_unlock_global(update); + returnCode(ERR); + } #if !USE_REENTRANT /* * It is "legal" but unlikely that an application could assign a new @@ -792,9 +768,10 @@ TINFO_DOUPDATE(NCURSES_SP_DCL0) if (CurScreen(SP_PARM) == 0 || NewScreen(SP_PARM) == 0 - || StdScreen(SP_PARM) == 0) + || StdScreen(SP_PARM) == 0) { + _nc_unlock_global(update); returnCode(ERR); - + } #ifdef TRACE if (USE_TRACEF(TRACE_UPDATE)) { if (CurScreen(SP_PARM)->_clear) @@ -812,7 +789,8 @@ TINFO_DOUPDATE(NCURSES_SP_DCL0) SP_PARM->_fifohold--; #if USE_SIZECHANGE - if (SP_PARM->_endwin || _nc_handle_sigwinch(SP_PARM)) { + if ((SP_PARM->_endwin == ewSuspend) + || _nc_handle_sigwinch(SP_PARM)) { /* * This is a transparent extension: XSI does not address it, * and applications need not know that ncurses can do it. @@ -825,7 +803,7 @@ TINFO_DOUPDATE(NCURSES_SP_DCL0) } #endif - if (SP_PARM->_endwin) { + if (SP_PARM->_endwin == ewSuspend) { T(("coming back from shell mode")); NCURSES_SP_NAME(reset_prog_mode) (NCURSES_SP_ARG); @@ -834,7 +812,7 @@ TINFO_DOUPDATE(NCURSES_SP_DCL0) NCURSES_SP_NAME(_nc_screen_resume) (NCURSES_SP_ARG); SP_PARM->_mouse_resume(SP_PARM); - SP_PARM->_endwin = FALSE; + SP_PARM->_endwin = ewRunning; } #if USE_TRACE_TIMES /* zero the metering machinery */ @@ -1102,6 +1080,7 @@ TINFO_DOUPDATE(NCURSES_SP_DCL0) _nc_signal_handler(TRUE); + _nc_unlock_global(update); returnCode(OK); } @@ -1726,7 +1705,7 @@ ClearScreen(NCURSES_SP_DCLx NCURSES_CH_T blank) */ static void -InsStr(NCURSES_SP_DCLx NCURSES_CH_T * line, int count) +InsStr(NCURSES_SP_DCLx NCURSES_CH_T *line, int count) { TR(TRACE_UPDATE, ("InsStr(%p, %p,%d) called", (void *) SP_PARM, @@ -1738,7 +1717,7 @@ InsStr(NCURSES_SP_DCLx NCURSES_CH_T * line, int count) if (parm_ich) { TPUTS_TRACE("parm_ich"); NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx - TPARM_1(parm_ich, count), + TIPARM_1(parm_ich, count), 1, NCURSES_SP_NAME(_nc_outch)); while (count > 0) { @@ -1791,7 +1770,7 @@ DelChar(NCURSES_SP_DCLx int count) if (parm_dch) { TPUTS_TRACE("parm_dch"); NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx - TPARM_1(parm_dch, count), + TIPARM_1(parm_dch, count), 1, NCURSES_SP_NAME(_nc_outch)); } else { @@ -1860,7 +1839,7 @@ scroll_csr_forward(NCURSES_SP_DCLx UpdateAttrs(SP_PARM, blank); TPUTS_TRACE("parm_index"); NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx - TPARM_2(parm_index, n, 0), + TIPARM_1(parm_index, n), n, NCURSES_SP_NAME(_nc_outch)); } else if (parm_delete_line && bot == maxy) { @@ -1868,7 +1847,7 @@ scroll_csr_forward(NCURSES_SP_DCLx UpdateAttrs(SP_PARM, blank); TPUTS_TRACE("parm_delete_line"); NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx - TPARM_2(parm_delete_line, n, 0), + TIPARM_1(parm_delete_line, n), n, NCURSES_SP_NAME(_nc_outch)); } else if (scroll_forward && top == miny && bot == maxy) { @@ -1925,7 +1904,7 @@ scroll_csr_backward(NCURSES_SP_DCLx UpdateAttrs(SP_PARM, blank); TPUTS_TRACE("parm_rindex"); NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx - TPARM_2(parm_rindex, n, 0), + TIPARM_1(parm_rindex, n), n, NCURSES_SP_NAME(_nc_outch)); } else if (parm_insert_line && bot == maxy) { @@ -1933,7 +1912,7 @@ scroll_csr_backward(NCURSES_SP_DCLx UpdateAttrs(SP_PARM, blank); TPUTS_TRACE("parm_insert_line"); NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx - TPARM_2(parm_insert_line, n, 0), + TIPARM_1(parm_insert_line, n), n, NCURSES_SP_NAME(_nc_outch)); } else if (scroll_reverse && top == miny && bot == maxy) { @@ -1981,7 +1960,7 @@ scroll_idl(NCURSES_SP_DCLx int n, int del, int ins, NCURSES_CH_T blank) } else if (parm_delete_line) { TPUTS_TRACE("parm_delete_line"); NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx - TPARM_2(parm_delete_line, n, 0), + TIPARM_1(parm_delete_line, n), n, NCURSES_SP_NAME(_nc_outch)); } else { /* if (delete_line) */ @@ -1997,7 +1976,7 @@ scroll_idl(NCURSES_SP_DCLx int n, int del, int ins, NCURSES_CH_T blank) } else if (parm_insert_line) { TPUTS_TRACE("parm_insert_line"); NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx - TPARM_2(parm_insert_line, n, 0), + TIPARM_1(parm_insert_line, n), n, NCURSES_SP_NAME(_nc_outch)); } else { /* if (insert_line) */ @@ -2062,7 +2041,7 @@ NCURSES_SP_NAME(_nc_scrolln) (NCURSES_SP_DCLx NCURSES_PUTP2("save_cursor", save_cursor); } NCURSES_PUTP2("change_scroll_region", - TPARM_2(change_scroll_region, top, bot)); + TIPARM_2(change_scroll_region, top, bot)); if (cursor_saved) { NCURSES_PUTP2("restore_cursor", restore_cursor); } else { @@ -2072,7 +2051,7 @@ NCURSES_SP_NAME(_nc_scrolln) (NCURSES_SP_DCLx res = scroll_csr_forward(NCURSES_SP_ARGx n, top, bot, top, bot, blank); NCURSES_PUTP2("change_scroll_region", - TPARM_2(change_scroll_region, 0, maxy)); + TIPARM_2(change_scroll_region, 0, maxy)); SP_PARM->_cursrow = SP_PARM->_curscol = -1; } @@ -2108,7 +2087,7 @@ NCURSES_SP_NAME(_nc_scrolln) (NCURSES_SP_DCLx NCURSES_PUTP2("save_cursor", save_cursor); } NCURSES_PUTP2("change_scroll_region", - TPARM_2(change_scroll_region, top, bot)); + TIPARM_2(change_scroll_region, top, bot)); if (cursor_saved) { NCURSES_PUTP2("restore_cursor", restore_cursor); } else { @@ -2119,7 +2098,7 @@ NCURSES_SP_NAME(_nc_scrolln) (NCURSES_SP_DCLx -n, top, bot, top, bot, blank); NCURSES_PUTP2("change_scroll_region", - TPARM_2(change_scroll_region, 0, maxy)); + TIPARM_2(change_scroll_region, 0, maxy)); SP_PARM->_cursrow = SP_PARM->_curscol = -1; } @@ -2175,16 +2154,16 @@ NCURSES_SP_NAME(_nc_screen_resume) (NCURSES_SP_DCL0) NCURSES_SP_NAME(_nc_reset_colors) (NCURSES_SP_ARG); /* restore user-defined colors, if any */ - if (SP_PARM->_color_defs < 0) { + if (SP_PARM->_color_defs < 0 && !SP_PARM->_direct_color.value) { int n; SP_PARM->_color_defs = -(SP_PARM->_color_defs); for (n = 0; n < SP_PARM->_color_defs; ++n) { if (SP_PARM->_color_table[n].init) { - NCURSES_SP_NAME(init_color) (NCURSES_SP_ARGx - (short) n, - SP_PARM->_color_table[n].r, - SP_PARM->_color_table[n].g, - SP_PARM->_color_table[n].b); + _nc_init_color(SP_PARM, + n, + SP_PARM->_color_table[n].r, + SP_PARM->_color_table[n].g, + SP_PARM->_color_table[n].b); } } }