X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftty%2Ftty_update.c;h=fd4722b0683f9f9ecb11e265f9d8b25269f1d52f;hp=e9ad69811951f9831895fa162e710dd0f8b85eac;hb=646aa4040ea415c39a376991d2d9658eff0fce77;hpb=a1e63be290fce9e589bc57c9f753be09e8ac0cc7 diff --git a/ncurses/tty/tty_update.c b/ncurses/tty/tty_update.c index e9ad6981..fd4722b0 100644 --- a/ncurses/tty/tty_update.c +++ b/ncurses/tty/tty_update.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998-2012,2013 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 * @@ -82,7 +82,7 @@ #include -MODULE_ID("$Id: tty_update.c,v 1.274 2013/01/12 17:24:22 tom Exp $") +MODULE_ID("$Id: tty_update.c,v 1.283 2016/05/28 23:32:40 tom Exp $") /* * This define controls the line-breakout optimization. Every once in a @@ -179,7 +179,7 @@ position_check(NCURSES_SP_DCLx int expected_y, int expected_x, char *legend) } } #else -#define position_check(sp, expected_y, expected_x, legend) /* nothing */ +#define position_check(expected_y, expected_x, legend) /* nothing */ #endif /* POSITION_DEBUG */ /**************************************************************************** @@ -194,15 +194,88 @@ GoTo(NCURSES_SP_DCLx int const row, int const col) TR(TRACE_MOVE, ("GoTo(%p, %d, %d) from (%d, %d)", (void *) SP_PARM, row, col, SP_PARM->_cursrow, SP_PARM->_curscol)); - position_check(SP_PARM, SP_PARM->_cursrow, SP_PARM->_curscol, "GoTo"); + position_check(NCURSES_SP_ARGx + SP_PARM->_cursrow, + SP_PARM->_curscol, "GoTo"); TINFO_MVCUR(NCURSES_SP_ARGx SP_PARM->_cursrow, SP_PARM->_curscol, row, col); - position_check(SP_PARM, SP_PARM->_cursrow, SP_PARM->_curscol, "GoTo2"); + position_check(NCURSES_SP_ARGx + SP_PARM->_cursrow, + SP_PARM->_curscol, "GoTo2"); } +#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 + static NCURSES_INLINE void PutAttrChar(NCURSES_SP_DCLx CARG_CH_T ch) { @@ -264,7 +337,11 @@ PutAttrChar(NCURSES_SP_DCLx CARG_CH_T ch) if ((AttrOf(attr) & A_ALTCHARSET) && SP_PARM->_acs_map != 0 - && CharOfD(ch) < ACS_LEN) { + && ((CharOfD(ch) < ACS_LEN) +#if !NCURSES_WCWIDTH_GRAPHICS + || is_wacs_value(CharOfD(ch)) +#endif + )) { my_ch = CHDEREF(ch); /* work around const param */ #if USE_WIDEC_SUPPORT /* @@ -273,15 +350,22 @@ PutAttrChar(NCURSES_SP_DCLx CARG_CH_T ch) * character, and uses the wide-character mapping when we expect the * normal one to be broken (by mis-design ;-). */ - if (SP_PARM->_screen_acs_fix - && SP_PARM->_screen_acs_map[CharOf(my_ch)]) { - RemAttr(attr, A_ALTCHARSET); - my_ch = _nc_wacs[CharOf(my_ch)]; - } else if (SP_PARM->_screen_unicode - && !SP_PARM->_screen_acs_map[CharOf(my_ch)] - && _nc_wacs[CharOf(my_ch)].chars[0]) { - RemAttr(attr, A_ALTCHARSET); - my_ch = _nc_wacs[CharOf(my_ch)]; + if (SP_PARM->_screen_unicode + && _nc_wacs[CharOf(my_ch)].chars[0]) { + if (SP_PARM->_screen_acs_map[CharOf(my_ch)]) { + if (SP_PARM->_screen_acs_fix) { + RemAttr(attr, A_ALTCHARSET); + my_ch = _nc_wacs[CharOf(my_ch)]; + } + } else { + RemAttr(attr, A_ALTCHARSET); + my_ch = _nc_wacs[CharOf(my_ch)]; + } +#if !NCURSES_WCWIDTH_GRAPHICS + if (!(AttrOf(attr) & A_ALTCHARSET)) { + chlen = 1; + } +#endif /* !NCURSES_WCWIDTH_GRAPHICS */ } #endif /* @@ -303,6 +387,11 @@ PutAttrChar(NCURSES_SP_DCLx CARG_CH_T ch) } ch = CHREF(my_ch); } +#if USE_WIDEC_SUPPORT && !NCURSES_WCWIDTH_GRAPHICS + else if (chlen > 1 && is_wacs_value(CharOfD(ch))) { + chlen = 1; + } +#endif if (tilde_glitch && (CharOfD(ch) == L('~'))) { SetChar(tilde, L('`'), AttrOf(attr)); ch = CHREF(tilde); @@ -390,7 +479,7 @@ PutCharLR(NCURSES_SP_DCLx const ARG_CH_T ch) PutAttrChar(NCURSES_SP_ARGx ch); SP_PARM->_curscol--; - position_check(SP_PARM, + position_check(NCURSES_SP_ARGx SP_PARM->_cursrow, SP_PARM->_curscol, "exit_am_mode"); @@ -449,7 +538,7 @@ wrap_cursor(NCURSES_SP_DCL0) } else { SP_PARM->_curscol--; } - position_check(SP_PARM, + position_check(NCURSES_SP_ARGx SP_PARM->_cursrow, SP_PARM->_curscol, "wrap_cursor"); @@ -469,7 +558,9 @@ PutChar(NCURSES_SP_DCLx const ARG_CH_T ch) if (SP_PARM->_curscol >= screen_columns(SP_PARM)) wrap_cursor(NCURSES_SP_ARG); - position_check(SP_PARM, SP_PARM->_cursrow, SP_PARM->_curscol, "PutChar"); + position_check(NCURSES_SP_ARGx + SP_PARM->_cursrow, + SP_PARM->_curscol, "PutChar"); } /* @@ -490,12 +581,13 @@ can_clear_with(NCURSES_SP_DCLx ARG_CH_T ch) if (SP_PARM->_default_fg != C_MASK || SP_PARM->_default_bg != C_MASK) return FALSE; if ((pair = GetPair(CHDEREF(ch))) != 0) { - short fg, bg; - NCURSES_SP_NAME(pair_content) (NCURSES_SP_ARGx - (short) pair, - &fg, &bg); - if (fg != C_MASK || bg != C_MASK) + NCURSES_COLOR_T fg, bg; + if (NCURSES_SP_NAME(pair_content) (NCURSES_SP_ARGx + (short) pair, + &fg, &bg) == ERR + || (fg != C_MASK || bg != C_MASK)) { return FALSE; + } } #else if (AttrOfD(ch) & A_COLOR) @@ -620,7 +712,7 @@ PutRange(NCURSES_SP_DCLx int row, int first, int last) { - int i, j, same; + int rc; TR(TRACE_CHARPUT, ("PutRange(%p, %p, %p, %d, %d, %d)", (void *) SP_PARM, @@ -630,6 +722,8 @@ PutRange(NCURSES_SP_DCLx if (otext != ntext && (last - first + 1) > SP_PARM->_inline_cost) { + int i, j, same; + for (j = first, same = 0; j <= last; j++) { if (!same && isWidecExt(otext[j])) continue; @@ -648,9 +742,11 @@ PutRange(NCURSES_SP_DCLx * Always return 1 for the next GoTo() after a PutRange() if we found * identical characters at end of interval */ - return (same == 0 ? i : 1); + rc = (same == 0 ? i : 1); + } else { + rc = EmitRange(NCURSES_SP_ARGx ntext + first, last - first + 1); } - return EmitRange(NCURSES_SP_ARGx ntext + first, last - first + 1); + return rc; } /* leave unbracketed here so 'indent' works */ @@ -1074,10 +1170,10 @@ ClrUpdate(NCURSES_SP_DCL0) static void ClrToEOL(NCURSES_SP_DCLx NCURSES_CH_T blank, int needclear) { - int j; - if (CurScreen(SP_PARM) != 0 && SP_PARM->_cursrow >= 0) { + int j; + for (j = SP_PARM->_curscol; j < screen_columns(SP_PARM); j++) { if (j >= 0) { NCURSES_CH_T *cp = @@ -1117,6 +1213,11 @@ ClrToEOS(NCURSES_SP_DCLx NCURSES_CH_T blank) row = SP_PARM->_cursrow; col = SP_PARM->_curscol; + if (row < 0) + row = 0; + if (col < 0) + col = 0; + UpdateAttrs(SP_PARM, blank); TPUTS_TRACE("clr_eos"); NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx @@ -1143,16 +1244,17 @@ ClrToEOS(NCURSES_SP_DCLx NCURSES_CH_T blank) static int ClrBottom(NCURSES_SP_DCLx int total) { - int row; - int col; int top = total; int last = min(screen_columns(SP_PARM), NewScreen(SP_PARM)->_maxx + 1); NCURSES_CH_T blank = NewScreen(SP_PARM)->_line[total - 1].text[last - 1]; - bool ok; if (clr_eos && can_clear_with(NCURSES_SP_ARGx CHREF(blank))) { + int row; for (row = total - 1; row >= 0; row--) { + int col; + bool ok; + for (col = 0, ok = TRUE; ok && col < last; col++) { ok = (CharEq(NewScreen(SP_PARM)->_line[row].text[col], blank)); } @@ -1480,9 +1582,17 @@ TransformLine(NCURSES_SP_DCLx int const lineno) if (oLastChar < nLastChar) { int m = max(nLastNonblank, oLastNonblank); #if USE_WIDEC_SUPPORT - while (isWidecExt(newLine[n + 1]) && n) { - --n; - --oLastChar; + if (n) { + while (isWidecExt(newLine[n + 1]) && n) { + --n; + --oLastChar; /* increase cost */ + } + } else if (n >= firstChar && + isWidecBase(newLine[n])) { + while (isWidecExt(newLine[n + 1])) { + ++n; + ++oLastChar; /* decrease cost */ + } } #endif GoTo(NCURSES_SP_ARGx lineno, n + 1); @@ -1502,8 +1612,9 @@ TransformLine(NCURSES_SP_DCLx int const lineno) if (DelCharCost(SP_PARM, oLastChar - nLastChar) > SP_PARM->_el_cost + nLastNonblank - (n + 1)) { if (PutRange(NCURSES_SP_ARGx oldLine, newLine, lineno, - n + 1, nLastNonblank)) - GoTo(NCURSES_SP_ARGx lineno, nLastNonblank + 1); + n + 1, nLastNonblank)) { + GoTo(NCURSES_SP_ARGx lineno, nLastNonblank + 1); + } ClrToEOL(NCURSES_SP_ARGx blank, FALSE); } else { /* @@ -1564,7 +1675,7 @@ ClearScreen(NCURSES_SP_DCLx NCURSES_CH_T blank) UpdateAttrs(SP_PARM, blank); NCURSES_PUTP2("clear_screen", clear_screen); SP_PARM->_cursrow = SP_PARM->_curscol = 0; - position_check(SP_PARM, + position_check(NCURSES_SP_ARGx SP_PARM->_cursrow, SP_PARM->_curscol, "ClearScreen"); @@ -1654,7 +1765,9 @@ InsStr(NCURSES_SP_DCLx NCURSES_CH_T * line, int count) count--; } } - position_check(SP_PARM, SP_PARM->_cursrow, SP_PARM->_curscol, "InsStr"); + position_check(NCURSES_SP_ARGx + SP_PARM->_cursrow, + SP_PARM->_curscol, "InsStr"); } /* @@ -1667,8 +1780,6 @@ InsStr(NCURSES_SP_DCLx NCURSES_CH_T * line, int count) static void DelChar(NCURSES_SP_DCLx int count) { - int n; - TR(TRACE_UPDATE, ("DelChar(%p, %d) called, position = (%ld,%ld)", (void *) SP_PARM, count, (long) NewScreen(SP_PARM)->_cury, @@ -1681,6 +1792,8 @@ DelChar(NCURSES_SP_DCLx int count) count, NCURSES_SP_NAME(_nc_outch)); } else { + int n; + for (n = 0; n < count; n++) { NCURSES_PUTP2("delete_character", delete_character); }