X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftty%2Ftty_update.c;h=cdf173a3434d50fe2ea87cfa37df7877e8db6867;hp=298c11ed0a2117de160ba86445f5245a77872eee;hb=78e49873c69dc0494bb34c62f897f8b446584a33;hpb=c633e5103a29a38532cf1925257b91cea33fd090 diff --git a/ncurses/tty/tty_update.c b/ncurses/tty/tty_update.c index 298c11ed..cdf173a3 100644 --- a/ncurses/tty/tty_update.c +++ b/ncurses/tty/tty_update.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998,1999,2000 Free Software Foundation, Inc. * + * Copyright (c) 1998-2008,2009 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 * @@ -29,24 +29,32 @@ /**************************************************************************** * Author: Zeyd M. Ben-Halim 1992,1995 * * and: Eric S. Raymond * + * and: Thomas E. Dickey 1996-on * + * and: Juergen Pfeifer 2009 * ****************************************************************************/ /*----------------------------------------------------------------- * * lib_doupdate.c * - * The routine doupdate() and its dependents. Also _nc_outstr(), - * so all physical output is concentrated here (except _nc_outch() - * in lib_tputs.c). + * The routine doupdate() and its dependents. + * All physical output is concentrated here (except _nc_outch() + * in lib_tputs.c). * *-----------------------------------------------------------------*/ +#include + +#if defined __HAIKU__ && defined __BEOS__ +#undef __BEOS__ +#endif + #ifdef __BEOS__ +#undef false +#undef true #include #endif -#include - #if defined(TRACE) && HAVE_SYS_TIMES_H && HAVE_TIMES #define USE_TRACE_TIMES 1 #else @@ -68,9 +76,10 @@ #endif #endif +#include #include -MODULE_ID("$Id: tty_update.c,v 1.146 2000/10/07 01:11:44 tom Exp $") +MODULE_ID("$Id: tty_update.c,v 1.248 2009/02/15 00:51:22 tom Exp $") /* * This define controls the line-breakout optimization. Every once in a @@ -85,6 +94,9 @@ MODULE_ID("$Id: tty_update.c,v 1.146 2000/10/07 01:11:44 tom Exp $") #define FILL_BCE() (SP->_coloron && !SP->_default_color && !back_color_erase) +static const NCURSES_CH_T blankchar = NewChar(BLANK_TEXT); +static NCURSES_CH_T normal = NewChar(BLANK_TEXT); + /* * Enable checking to see if doupdate and friends are tracking the true * cursor position correctly. NOTE: this is a debugging hack which will @@ -92,12 +104,12 @@ MODULE_ID("$Id: tty_update.c,v 1.146 2000/10/07 01:11:44 tom Exp $") */ /* #define POSITION_DEBUG */ -static inline chtype ClrBlank(WINDOW *win); +static NCURSES_INLINE NCURSES_CH_T ClrBlank(WINDOW *win); static int ClrBottom(int total); -static void ClearScreen(chtype blank); +static void ClearScreen(NCURSES_CH_T blank); static void ClrUpdate(void); static void DelChar(int count); -static void InsStr(chtype * line, int count); +static void InsStr(NCURSES_CH_T * line, int count); static void TransformLine(int const lineno); #ifdef POSITION_DEBUG @@ -160,56 +172,131 @@ position_check(int expected_y, int expected_x, char *legend) * ****************************************************************************/ -static inline void +static NCURSES_INLINE void GoTo(int const row, int const col) { - chtype oldattr = SP->_current_attr; - TR(TRACE_MOVE, ("GoTo(%d, %d) from (%d, %d)", row, col, SP->_cursrow, SP->_curscol)); position_check(SP->_cursrow, SP->_curscol, "GoTo"); - /* - * 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! - */ - if ((oldattr & A_ALTCHARSET) - || (oldattr && !move_standout_mode)) { - TR(TRACE_CHARPUT, ("turning off (%#lx) %s before move", - oldattr, _traceattr(oldattr))); - vidattr(A_NORMAL); - } - mvcur(SP->_cursrow, SP->_curscol, row, col); - SP->_cursrow = row; - SP->_curscol = col; position_check(SP->_cursrow, SP->_curscol, "GoTo2"); } -static inline void -PutAttrChar(chtype ch) +static NCURSES_INLINE void +PutAttrChar(CARG_CH_T ch) { - int data; - - if (tilde_glitch && (TextOf(ch) == '~')) - ch = ('`' | AttrOf(ch)); + int chlen = 1; + NCURSES_CH_T my_ch; + PUTC_DATA; + NCURSES_CH_T tilde; + NCURSES_CH_T attr = CHDEREF(ch); TR(TRACE_CHARPUT, ("PutAttrChar(%s) at (%d, %d)", - _tracechtype(ch), + _tracech_t(ch), SP->_cursrow, SP->_curscol)); - UpdateAttrs(ch); - data = TextOf(ch); +#if USE_WIDEC_SUPPORT + /* + * If this is not a valid character, there is nothing more to do. + */ + if (isWidecExt(CHDEREF(ch))) { + TR(TRACE_CHARPUT, ("...skip")); + return; + } + /* + * 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) { + static const NCURSES_CH_T blank = NewChar(BLANK_TEXT); + + /* + * If the character falls into any of these special cases, do + * not force the result to a blank: + * + * a) it is printable (this works around a bug in wcwidth()). + * b) use_legacy_coding() has been called to modify the treatment + * of codes 128-255. + * c) the acs_map[] has been initialized to allow codes 0-31 + * to be rendered. This supports Linux console's "PC" + * characters. Codes 128-255 are allowed though this is + * not checked. + */ + if (is8bits(CharOf(CHDEREF(ch))) + && (isprint(CharOf(CHDEREF(ch))) + || (SP->_legacy_coding > 0 && CharOf(CHDEREF(ch)) >= 160) + || (SP->_legacy_coding > 1 && CharOf(CHDEREF(ch)) >= 128) + || (AttrOf(attr) & A_ALTCHARSET + && ((CharOfD(ch) < ACS_LEN + && SP->_acs_map != 0 + && SP->_acs_map[CharOfD(ch)] != 0) + || (CharOfD(ch) >= 128))))) { + ; + } else { + ch = CHREF(blank); + TR(TRACE_CHARPUT, ("forced to blank")); + } + chlen = 1; + } +#endif + + if ((AttrOf(attr) & A_ALTCHARSET) + && SP->_acs_map != 0 + && CharOfD(ch) < ACS_LEN) { + my_ch = CHDEREF(ch); /* work around const param */ +#if USE_WIDEC_SUPPORT + /* + * This is crude & ugly, but works most of the time. It checks if the + * acs_chars string specified that we have a mapping for this + * character, and uses the wide-character mapping when we expect the + * normal one to be broken (by mis-design ;-). + */ + if (SP->_screen_acs_fix + && SP->_screen_acs_map[CharOf(my_ch)]) { + RemAttr(attr, A_ALTCHARSET); + my_ch = _nc_wacs[CharOf(my_ch)]; + } +#endif + /* + * If we (still) have alternate character set, it is the normal 8bit + * flavor. The _screen_acs_map[] array tells if the character was + * really in acs_chars, needed because of the way wide/normal line + * drawing flavors are integrated. + */ + if (AttrOf(attr) & A_ALTCHARSET) { + int j = CharOfD(ch); + chtype temp = UChar(SP->_acs_map[j]); + + if (!(SP->_screen_acs_map[j])) { + RemAttr(attr, A_ALTCHARSET); + if (temp == 0) + temp = ' '; + } + if (temp != 0) + SetChar(my_ch, temp, AttrOf(attr)); + } + ch = CHREF(my_ch); + } + if (tilde_glitch && (CharOfD(ch) == L('~'))) { + SetChar(tilde, L('`'), AttrOf(attr)); + ch = CHREF(tilde); + } + + UpdateAttrs(attr); +#if !USE_WIDEC_SUPPORT + /* FIXME - we do this special case for signal handling, should see how to + * make it work for wide characters. + */ if (SP->_outch != 0) { - SP->_outch(data); - } else { - putc(data, SP->_ofp); /* macro's fastest... */ -#ifdef TRACE - _nc_outchars++; -#endif /* TRACE */ + SP->_outch(UChar(ch)); + } else +#endif + { + PUTC(CHDEREF(ch), SP->_ofp); /* macro's fastest... */ + COUNT_OUTCHARS(1); } - SP->_curscol++; + SP->_curscol += chlen; if (char_padding) { TPUTS_TRACE("char_padding"); putp(char_padding); @@ -274,21 +361,9 @@ check_pending(void) return FALSE; } -/* - * No one supports recursive inline functions. However, gcc is quieter if we - * instantiate the recursive part separately. - */ -#if CC_HAS_INLINE_FUNCS -static void callPutChar(chtype const); -#else -#define callPutChar(ch) PutChar(ch) -#endif - -static inline void PutChar(chtype const ch); /* forward declaration */ - /* put char at lower right corner */ static void -PutCharLR(chtype const ch) +PutCharLR(const ARG_CH_T ch) { if (!auto_right_margin) { /* we can put the char directly */ @@ -307,45 +382,55 @@ PutCharLR(chtype const ch) } else if ((enter_insert_mode && exit_insert_mode) || insert_character || parm_ich) { GoTo(screen_lines - 1, screen_columns - 2); - callPutChar(ch); + PutAttrChar(ch); GoTo(screen_lines - 1, screen_columns - 2); InsStr(newscr->_line[screen_lines - 1].text + screen_columns - 2, 1); } } +/* + * Wrap the cursor position, i.e., advance to the beginning of the next line. + */ static void wrap_cursor(void) { if (eat_newline_glitch) { /* - * xenl can manifest two different ways. The vt100 - * way is that, when you'd expect the cursor to wrap, - * it stays hung at the right margin (on top of the - * character just emitted) and doesn't wrap until the - * *next* graphic char is emitted. The c100 way is - * to ignore LF received just after an am wrap. + * xenl can manifest two different ways. The vt100 way is that, when + * you'd expect the cursor to wrap, it stays hung at the right margin + * (on top of the character just emitted) and doesn't wrap until the + * *next* graphic char is emitted. The c100 way is to ignore LF + * received just after an am wrap. * - * An aggressive way to handle this would be to - * emit CR/LF after the char and then assume the wrap - * is done, you're on the first position of the next - * line, and the terminal out of its weird state. - * Here it's safe to just tell the code that the - * cursor is in hyperspace and let the next mvcur() - * call straighten things out. + * An aggressive way to handle this would be to emit CR/LF after the + * char and then assume the wrap is done, you're on the first position + * of the next line, and the terminal out of its weird state. Here + * it's safe to just tell the code that the cursor is in hyperspace and + * let the next mvcur() call straighten things out. */ SP->_curscol = -1; SP->_cursrow = -1; } else if (auto_right_margin) { SP->_curscol = 0; SP->_cursrow++; + /* + * We've actually moved - but may have to work around problems with + * video attributes not working. + */ + if (!move_standout_mode && AttrOf(SCREEN_ATTRS(SP))) { + TR(TRACE_CHARPUT, ("turning off (%#lx) %s before wrapping", + (unsigned long) AttrOf(SCREEN_ATTRS(SP)), + _traceattr(AttrOf(SCREEN_ATTRS(SP))))); + (void) VIDATTR(A_NORMAL, 0); + } } else { SP->_curscol--; } position_check(SP->_cursrow, SP->_curscol, "wrap_cursor"); } -static inline void -PutChar(chtype const ch) +static NCURSES_INLINE void +PutChar(const ARG_CH_T ch) /* insert character, handling automargin stuff */ { if (SP->_cursrow == screen_lines - 1 && SP->_curscol == screen_columns - 1) @@ -365,20 +450,30 @@ PutChar(chtype const ch) * as A_REVERSE. All attribute flags which don't affect appearance of a space * or can be output by clearing (A_COLOR in case of bce-terminal) are excluded. */ -static inline bool -can_clear_with(chtype ch) +static NCURSES_INLINE bool +can_clear_with(ARG_CH_T ch) { if (!back_color_erase && SP->_coloron) { - if (ch & A_COLOR) - return FALSE; #if NCURSES_EXT_FUNCS + int pair; + if (!SP->_default_color) return FALSE; if (SP->_default_fg != C_MASK || SP->_default_bg != C_MASK) return FALSE; + if ((pair = GetPair(CHDEREF(ch))) != 0) { + short fg, bg; + pair_content(pair, &fg, &bg); + if (fg != C_MASK || bg != C_MASK) + return FALSE; + } +#else + if (AttrOfD(ch) & A_COLOR) + return FALSE; #endif } - return ((ch & ~(NONBLANK_ATTR | A_COLOR)) == BLANK); + return (ISBLANK(CHDEREF(ch)) && + (AttrOfD(ch) & ~(NONBLANK_ATTR | A_COLOR)) == BLANK_ATTR); } /* @@ -394,28 +489,30 @@ can_clear_with(chtype ch) * This code is optimized using ech and rep. */ static int -EmitRange(const chtype * ntext, int num) +EmitRange(const NCURSES_CH_T * ntext, int num) { int i; + TR(TRACE_CHARPUT, ("EmitRange %d:%s", num, _nc_viscbuf(ntext, num))); + if (erase_chars || repeat_char) { while (num > 0) { int runcount; - chtype ntext0; + NCURSES_CH_T ntext0; - while (num > 1 && ntext[0] != ntext[1]) { - PutChar(ntext[0]); + while (num > 1 && !CharEq(ntext[0], ntext[1])) { + PutChar(CHREF(ntext[0])); ntext++; num--; } ntext0 = ntext[0]; if (num == 1) { - PutChar(ntext0); + PutChar(CHREF(ntext0)); return 0; } runcount = 2; - while (runcount < num && ntext[runcount] == ntext0) + while (runcount < num && CharEq(ntext[runcount], ntext0)) runcount++; /* @@ -428,9 +525,9 @@ EmitRange(const chtype * ntext, int num) */ if (erase_chars && runcount > SP->_ech_cost + SP->_cup_ch_cost - && can_clear_with(ntext0)) { + && can_clear_with(CHREF(ntext0))) { UpdateAttrs(ntext0); - putp(tparm(erase_chars, runcount)); + putp(TPARM_1(erase_chars, runcount)); /* * If this is the last part of the given interval, @@ -450,14 +547,15 @@ EmitRange(const chtype * ntext, int num) rep_count--; UpdateAttrs(ntext0); - putp(tparm(repeat_char, TextOf(ntext0), rep_count)); + tputs(TPARM_2(repeat_char, CharOf(ntext0), rep_count), + rep_count, _nc_outch); SP->_curscol += rep_count; if (wrap_possible) - PutChar(ntext0); + PutChar(CHREF(ntext0)); } else { for (i = 0; i < runcount; i++) - PutChar(ntext[i]); + PutChar(CHREF(ntext[i])); } ntext += runcount; num -= runcount; @@ -466,7 +564,7 @@ EmitRange(const chtype * ntext, int num) } for (i = 0; i < num; i++) - PutChar(ntext[i]); + PutChar(CHREF(ntext[i])); return 0; } @@ -479,51 +577,49 @@ EmitRange(const chtype * ntext, int num) * Returns: same as EmitRange */ static int -PutRange( - const chtype * otext, - const chtype * ntext, - int row, - int first, int last) +PutRange(const NCURSES_CH_T * otext, + const NCURSES_CH_T * ntext, + int row, + int first, int last) { - int j, run; + int i, j, same; TR(TRACE_CHARPUT, ("PutRange(%p, %p, %d, %d, %d)", otext, ntext, row, first, last)); if (otext != ntext && (last - first + 1) > SP->_inline_cost) { - for (j = first, run = 0; j <= last; j++) { - if (otext[j] == ntext[j]) { - run++; + for (j = first, same = 0; j <= last; j++) { + if (!same && isWidecExt(otext[j])) + continue; + if (CharEq(otext[j], ntext[j])) { + same++; } else { - if (run > SP->_inline_cost) { - int before_run = (j - run); - EmitRange(ntext + first, before_run - first); + if (same > SP->_inline_cost) { + EmitRange(ntext + first, j - same - first); GoTo(row, first = j); } - run = 0; + same = 0; } } + i = EmitRange(ntext + first, j - same - first); + /* + * Always return 1 for the next GoTo() after a PutRange() if we found + * identical characters at end of interval + */ + return (same == 0 ? i : 1); } return EmitRange(ntext + first, last - first + 1); } -#if CC_HAS_INLINE_FUNCS -static void -callPutChar(chtype const ch) -{ - PutChar(ch); -} -#endif - /* leave unbracketed here so 'indent' works */ #define MARK_NOCHANGE(win,row) \ win->_line[row].firstchar = _NOCHANGE; \ win->_line[row].lastchar = _NOCHANGE; \ if_USE_SCROLL_HINTS(win->_line[row].oldindex = row) -int -doupdate(void) +NCURSES_EXPORT(int) +NCURSES_SP_NAME(doupdate) (NCURSES_SP_DCL0) { int i; int nonempty; @@ -533,23 +629,28 @@ doupdate(void) T((T_CALLED("doupdate()"))); + if (curscr == 0 + || newscr == 0) + returnCode(ERR); + #ifdef TRACE - if (_nc_tracing & TRACE_UPDATE) { + if (USE_TRACEF(TRACE_UPDATE)) { if (curscr->_clear) _tracef("curscr is clear"); else _tracedump("curscr", curscr); _tracedump("newscr", newscr); + _nc_unlock_global(tracef); } #endif /* TRACE */ _nc_signal_handler(FALSE); - if (SP->_fifohold) - SP->_fifohold--; + if (SP_PARM->_fifohold) + SP_PARM->_fifohold--; #if USE_SIZECHANGE - if (SP->_endwin || SP->_sig_winch) { + if (SP_PARM->_endwin || _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. @@ -558,39 +659,37 @@ doupdate(void) * (this can happen in an xterm, for example), and resize the * ncurses data structures accordingly. */ - _nc_update_screensize(); + _nc_update_screensize(SP_PARM); } #endif - if (SP->_endwin) { + if (SP_PARM->_endwin) { T(("coming back from shell mode")); reset_prog_mode(); _nc_mvcur_resume(); _nc_screen_resume(); - SP->_mouse_resume(SP); + SP_PARM->_mouse_resume(SP_PARM); - SP->_endwin = FALSE; + SP_PARM->_endwin = FALSE; } #if USE_TRACE_TIMES /* zero the metering machinery */ - _nc_outchars = 0; + RESET_OUTCHARS(); (void) times(&before); #endif /* USE_TRACE_TIMES */ /* - * This is the support for magic-cookie terminals. The - * theory: we scan the virtual screen looking for attribute - * turnons. Where we find one, check to make sure it's - * realizable by seeing if the required number of - * un-attributed blanks are present before and after the - * attributed range; try to shift the range boundaries over - * blanks (not changing the screen display) so this becomes - * true. If it is, shift the beginning attribute change - * appropriately (the end one, if we've gotten this far, is - * guaranteed room for its cookie). If not, nuke the added - * attributes out of the span. + * This is the support for magic-cookie terminals. The theory: we scan + * the virtual screen looking for attribute turnons. Where we find one, + * check to make sure it's realizable by seeing if the required number of + * un-attributed blanks are present before and after the attributed range; + * try to shift the range boundaries over blanks (not changing the screen + * display) so this becomes true. If it is, shift the beginning attribute + * change appropriately (the end one, if we've gotten this far, is + * guaranteed room for its cookie). If not, nuke the added attributes out + * of the span. */ #if USE_XMC_SUPPORT if (magic_cookie_glitch > 0) { @@ -600,11 +699,13 @@ doupdate(void) for (i = 0; i < screen_lines; i++) { for (j = 0; j < screen_columns; j++) { bool failed = FALSE; - chtype turnon = AttrOf(newscr->_line[i].text[j]) & ~rattr; + NCURSES_CH_T *thisline = newscr->_line[i].text; + attr_t thisattr = AttrOf(thisline[j]) & SP_PARM->_xmc_triggers; + attr_t turnon = thisattr & ~rattr; /* is an attribute turned on here? */ if (turnon == 0) { - rattr = AttrOf(newscr->_line[i].text[j]); + rattr = thisattr; continue; } @@ -612,23 +713,33 @@ doupdate(void) TR(TRACE_ATTRS, ("...to %s", _traceattr(turnon))); /* - * If the attribute change location is a blank with a - * "safe" attribute, undo the attribute turnon. This may - * ensure there's enough room to set the attribute before - * the first non-blank in the run. + * If the attribute change location is a blank with a "safe" + * attribute, undo the attribute turnon. This may ensure + * there's enough room to set the attribute before the first + * non-blank in the run. */ -#define SAFE(a) (!((a) & (chtype)~NONBLANK_ATTR)) - if (TextOf(newscr->_line[i].text[j]) == ' ' && SAFE(turnon)) { - newscr->_line[i].text[j] &= ~turnon; +#define SAFE(a) (!((a) & SP_PARM->_xmc_triggers)) + if (ISBLANK(thisline[j]) && SAFE(turnon)) { + RemAttr(thisline[j], turnon); continue; } /* check that there's enough room at start of span */ for (k = 1; k <= magic_cookie_glitch; k++) { if (j - k < 0 - || TextOf(newscr->_line[i].text[j - k]) != ' ' - || !SAFE(AttrOf(newscr->_line[i].text[j - k]))) + || !ISBLANK(thisline[j - k]) + || !SAFE(AttrOf(thisline[j - k]))) { failed = TRUE; + TR(TRACE_ATTRS, ("No room at start in %d,%d%s%s", + i, j - k, + (ISBLANK(thisline[j - k]) + ? "" + : ":nonblank"), + (SAFE(AttrOf(thisline[j - k])) + ? "" + : ":unsafe"))); + break; + } } if (!failed) { bool end_onscreen = FALSE; @@ -637,7 +748,8 @@ doupdate(void) /* find end of span, if it's onscreen */ for (m = i; m < screen_lines; m++) { for (; n < screen_columns; n++) { - if (AttrOf(newscr->_line[m].text[n]) == rattr) { + attr_t testattr = AttrOf(newscr->_line[m].text[n]); + if ((testattr & SP_PARM->_xmc_triggers) == rattr) { end_onscreen = TRUE; TR(TRACE_ATTRS, ("Range attributed with %s ends at (%d, %d)", @@ -653,25 +765,37 @@ doupdate(void) foundit:; if (end_onscreen) { - chtype *lastline = newscr->_line[m].text; + NCURSES_CH_T *lastline = newscr->_line[m].text; /* - * If there are safely-attributed blanks at the - * end of the range, shorten the range. This will - * help ensure that there is enough room at end - * of span. + * If there are safely-attributed blanks at the end of + * the range, shorten the range. This will help ensure + * that there is enough room at end of span. */ while (n >= 0 - && TextOf(lastline[n]) == ' ' - && SAFE(AttrOf(lastline[n]))) - lastline[n--] &= ~turnon; + && ISBLANK(lastline[n]) + && SAFE(AttrOf(lastline[n]))) { + RemAttr(lastline[n--], turnon); + } /* check that there's enough room at end of span */ - for (k = 1; k <= magic_cookie_glitch; k++) + for (k = 1; k <= magic_cookie_glitch; k++) { if (n + k >= screen_columns - || TextOf(lastline[n + k]) != ' ' - || !SAFE(AttrOf(lastline[n + k]))) + || !ISBLANK(lastline[n + k]) + || !SAFE(AttrOf(lastline[n + k]))) { failed = TRUE; + TR(TRACE_ATTRS, + ("No room at end in %d,%d%s%s", + i, j - k, + (ISBLANK(lastline[n + k]) + ? "" + : ":nonblank"), + (SAFE(AttrOf(lastline[n + k])) + ? "" + : ":unsafe"))); + break; + } + } } } @@ -685,9 +809,10 @@ doupdate(void) /* turn off new attributes over span */ for (p = i; p < screen_lines; p++) { for (; q < screen_columns; q++) { - if (AttrOf(newscr->_line[p].text[q]) == rattr) + attr_t testattr = AttrOf(newscr->_line[p].text[q]); + if ((testattr & SP_PARM->_xmc_triggers) == rattr) goto foundend; - newscr->_line[p].text[q] &= ~turnon; + RemAttr(newscr->_line[p].text[q], turnon); } q = 0; } @@ -698,22 +823,23 @@ doupdate(void) _traceattr(turnon), i, j)); /* - * back up the start of range so there's room - * for cookies before the first nonblank character + * Back up the start of range so there's room for cookies + * before the first nonblank character. */ for (k = 1; k <= magic_cookie_glitch; k++) - newscr->_line[i].text[j - k] |= turnon; + AddAttr(thisline[j - k], turnon); } - rattr = AttrOf(newscr->_line[i].text[j]); + rattr = thisattr; } } #ifdef TRACE /* show altered highlights after magic-cookie check */ - if (_nc_tracing & TRACE_UPDATE) { + if (USE_TRACEF(TRACE_UPDATE)) { _tracef("After magic-cookie check..."); _tracedump("newscr", newscr); + _nc_unlock_global(tracef); } #endif /* TRACE */ } @@ -721,7 +847,6 @@ doupdate(void) nonempty = 0; if (curscr->_clear || newscr->_clear) { /* force refresh ? */ - TR(TRACE_UPDATE, ("clearing and updating from scratch")); ClrUpdate(); curscr->_clear = FALSE; /* reset flag */ newscr->_clear = FALSE; /* reset flag */ @@ -733,7 +858,7 @@ doupdate(void) nonempty = min(screen_lines, newscr->_maxy + 1); - if (SP->_scrolling) { + if (SP_PARM->_scrolling) { _nc_scroll_optimize(); } @@ -764,20 +889,20 @@ doupdate(void) /* mark line changed successfully */ if (i <= newscr->_maxy) { - MARK_NOCHANGE(newscr, i) + MARK_NOCHANGE(newscr, i); } if (i <= curscr->_maxy) { - MARK_NOCHANGE(curscr, i) + MARK_NOCHANGE(curscr, i); } } } /* put everything back in sync */ for (i = nonempty; i <= newscr->_maxy; i++) { - MARK_NOCHANGE(newscr, i) + MARK_NOCHANGE(newscr, i); } for (i = nonempty; i <= curscr->_maxy; i++) { - MARK_NOCHANGE(curscr, i) + MARK_NOCHANGE(curscr, i); } if (!newscr->_leaveok) { @@ -789,21 +914,26 @@ doupdate(void) cleanup: /* - * Keep the physical screen in normal mode in case we get other - * processes writing to the screen. + * We would like to keep the physical screen in normal mode in case we get + * other processes writing to the screen. This goal cannot be met for + * magic cookies since it interferes with attributes that may propagate + * past the current position. */ - UpdateAttrs(A_NORMAL); +#if USE_XMC_SUPPORT + if (magic_cookie_glitch != 0) +#endif + UpdateAttrs(normal); _nc_flush(); - curscr->_attrs = newscr->_attrs; + WINDOW_ATTRS(curscr) = WINDOW_ATTRS(newscr); #if USE_TRACE_TIMES (void) times(&after); TR(TRACE_TIMES, ("Update cost: %ld chars, %ld clocks system time, %ld clocks user time", _nc_outchars, - after.tms_stime - before.tms_stime, - after.tms_utime - before.tms_utime)); + (long) (after.tms_stime - before.tms_stime), + (long) (after.tms_utime - before.tms_utime))); #endif /* USE_TRACE_TIMES */ _nc_signal_handler(TRUE); @@ -811,6 +941,14 @@ doupdate(void) returnCode(OK); } +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(int) +doupdate(void) +{ + return NCURSES_SP_NAME(doupdate) (CURRENT_SCREEN); +} +#endif + /* * ClrBlank(win) * @@ -822,14 +960,14 @@ doupdate(void) * in the wbkgd() call. Assume 'stdscr' for this case. */ #define BCE_ATTRS (A_NORMAL|A_COLOR) -#define BCE_BKGD(win) (((win) == curscr ? stdscr : (win))->_bkgd) +#define BCE_BKGD(win) (((win) == curscr ? stdscr : (win))->_nc_bkgd) -static inline chtype +static NCURSES_INLINE NCURSES_CH_T ClrBlank(WINDOW *win) { - chtype blank = BLANK; + NCURSES_CH_T blank = blankchar; if (back_color_erase) - blank |= (BCE_BKGD(win) & BCE_ATTRS); + AddAttr(blank, (AttrOf(BCE_BKGD(win)) & BCE_ATTRS)); return blank; } @@ -844,10 +982,10 @@ static void ClrUpdate(void) { int i; - chtype blank = ClrBlank(stdscr); + NCURSES_CH_T blank = ClrBlank(stdscr); int nonempty = min(screen_lines, newscr->_maxy + 1); - TR(TRACE_UPDATE, ("ClrUpdate() called")); + TR(TRACE_UPDATE, (T_CALLED("ClrUpdate"))); ClearScreen(blank); @@ -857,6 +995,8 @@ ClrUpdate(void) for (i = 0; i < nonempty; i++) TransformLine(i); + + TR(TRACE_UPDATE, (T_RETURN(""))); } /* @@ -866,7 +1006,7 @@ ClrUpdate(void) */ static void -ClrToEOL(chtype blank, bool needclear) +ClrToEOL(NCURSES_CH_T blank, bool needclear) { int j; @@ -874,9 +1014,9 @@ ClrToEOL(chtype blank, bool needclear) && SP->_cursrow >= 0) { for (j = SP->_curscol; j < screen_columns; j++) { if (j >= 0) { - chtype *cp = &(curscr->_line[SP->_cursrow].text[j]); + NCURSES_CH_T *cp = &(curscr->_line[SP->_cursrow].text[j]); - if (*cp != blank) { + if (!CharEq(*cp, blank)) { *cp = blank; needclear = TRUE; } @@ -889,12 +1029,12 @@ ClrToEOL(chtype blank, bool needclear) if (needclear) { UpdateAttrs(blank); TPUTS_TRACE("clr_eol"); - if (SP->_el_cost > (screen_columns - SP->_curscol)) { + if (clr_eol && SP->_el_cost <= (screen_columns - SP->_curscol)) { + putp(clr_eol); + } else { int count = (screen_columns - SP->_curscol); while (count-- > 0) - PutChar(blank); - } else { - putp(clr_eol); + PutChar(CHREF(blank)); } } } @@ -906,7 +1046,7 @@ ClrToEOL(chtype blank, bool needclear) */ static void -ClrToEOS(chtype blank) +ClrToEOS(NCURSES_CH_T blank) { int row, col; @@ -940,39 +1080,51 @@ ClrBottom(int total) int col; int top = total; int last = min(screen_columns, newscr->_maxx + 1); - chtype blank = ClrBlank(stdscr); + NCURSES_CH_T blank = newscr->_line[total - 1].text[last - 1]; bool ok; - if (clr_eos && can_clear_with(blank)) { + if (clr_eos && can_clear_with(CHREF(blank))) { for (row = total - 1; row >= 0; row--) { for (col = 0, ok = TRUE; ok && col < last; col++) { - ok = (newscr->_line[row].text[col] == blank); + ok = (CharEq(newscr->_line[row].text[col], blank)); } if (!ok) break; for (col = 0; ok && col < last; col++) { - ok = (curscr->_line[row].text[col] == blank); + ok = (CharEq(curscr->_line[row].text[col], blank)); } if (!ok) top = row; } /* don't use clr_eos for just one line if clr_eol available */ - if (top < total - 1 || (top < total && !clr_eol && !clr_bol)) { + if (top < total) { GoTo(top, 0); ClrToEOS(blank); - total = top; if (SP->oldhash && SP->newhash) { for (row = top; row < screen_lines; row++) SP->oldhash[row] = SP->newhash[row]; } } } - return total; + return top; } +#if USE_XMC_SUPPORT +#if USE_WIDEC_SUPPORT +#define check_xmc_transition(a, b) \ + ((((a)->attr ^ (b)->attr) & ~((a)->attr) & SP->_xmc_triggers) != 0) +#define xmc_turn_on(a,b) check_xmc_transition(&(a), &(b)) +#else +#define xmc_turn_on(a,b) ((((a)^(b)) & ~(a) & SP->_xmc_triggers) != 0) +#endif + +#define xmc_new(r,c) newscr->_line[r].text[c] +#define xmc_turn_off(a,b) xmc_turn_on(b,a) +#endif /* USE_XMC_SUPPORT */ + /* ** TransformLine(lineno) ** @@ -995,19 +1147,17 @@ static void TransformLine(int const lineno) { int firstChar, oLastChar, nLastChar; - chtype *newLine = newscr->_line[lineno].text; - chtype *oldLine = curscr->_line[lineno].text; + NCURSES_CH_T *newLine = newscr->_line[lineno].text; + NCURSES_CH_T *oldLine = curscr->_line[lineno].text; int n; bool attrchanged = FALSE; - TR(TRACE_UPDATE, ("TransformLine(%d) called", lineno)); + TR(TRACE_UPDATE, (T_CALLED("TransformLine(%d)"), lineno)); /* copy new hash value to old one */ if (SP->oldhash && SP->newhash) SP->oldhash[lineno] = SP->newhash[lineno]; -#define ColorOf(n) ((n) & A_COLOR) -#define unColor(n) ((n) & ALL_BUT_COLOR) /* * If we have colors, there is the possibility of having two color pairs * that display as the same colors. For instance, Lynx does this. Check @@ -1015,24 +1165,19 @@ TransformLine(int const lineno) * they are equivalent. */ if (SP->_coloron) { - chtype oldColor; - chtype newColor; int oldPair; int newPair; for (n = 0; n < screen_columns; n++) { - if (newLine[n] != oldLine[n]) { - oldColor = ColorOf(oldLine[n]); - newColor = ColorOf(newLine[n]); - if (oldColor != newColor + if (!CharEq(newLine[n], oldLine[n])) { + oldPair = GetPair(oldLine[n]); + newPair = GetPair(newLine[n]); + if (oldPair != newPair && unColor(oldLine[n]) == unColor(newLine[n])) { - oldPair = PAIR_NUMBER(oldColor); - newPair = PAIR_NUMBER(newColor); - if (oldPair < COLOR_PAIRS - && newPair < COLOR_PAIRS + if (oldPair < SP->_pair_limit + && newPair < SP->_pair_limit && SP->_color_pairs[oldPair] == SP->_color_pairs[newPair]) { - oldLine[n] &= ~A_COLOR; - oldLine[n] |= ColorOf(newLine[n]); + SetPair(oldLine[n], GetPair(newLine[n])); } } } @@ -1042,8 +1187,10 @@ TransformLine(int const lineno) if (ceol_standout_glitch && clr_eol) { firstChar = 0; while (firstChar < screen_columns) { - if (AttrOf(newLine[firstChar]) != AttrOf(oldLine[firstChar])) + if (!SameAttrOf(newLine[firstChar], oldLine[firstChar])) { attrchanged = TRUE; + break; + } firstChar++; } } @@ -1056,10 +1203,6 @@ TransformLine(int const lineno) PutRange(oldLine, newLine, lineno, 0, (screen_columns - 1)); #if USE_XMC_SUPPORT -#define NEW(r,c) newscr->_line[r].text[c] -#define xmc_turn_on(a,b) ((((a)^(b)) & ~(a) & SP->_xmc_triggers) != 0) -#define xmc_turn_off(a,b) xmc_turn_on(b,a) - /* * This is a very simple loop to paint characters which may have the * magic cookie glitch embedded. It doesn't know much about video @@ -1080,86 +1223,96 @@ TransformLine(int const lineno) * If we are writing an attributed blank, where the * previous cell is not attributed. */ - if (TextOf(newLine[n]) == ' ' + if (ISBLANK(newLine[n]) && ((n > 0 && xmc_turn_on(newLine[n - 1], newLine[n])) || (n == 0 && lineno > 0 - && xmc_turn_on(NEW(lineno - 1, screen_columns - 1), + && xmc_turn_on(xmc_new(lineno - 1, screen_columns - 1), newLine[n])))) { n = m; } - PutChar(newLine[n]); + PutChar(CHREF(newLine[n])); /* check for turn-off: * If we are writing an attributed non-blank, where the * next cell is blank, and not attributed. */ - if (TextOf(newLine[n]) != ' ' + if (!ISBLANK(newLine[n]) && ((n + 1 < screen_columns && xmc_turn_off(newLine[n], newLine[n + 1])) || (n + 1 >= screen_columns && lineno + 1 < screen_lines - && xmc_turn_off(newLine[n], NEW(lineno + 1, 0))))) { + && xmc_turn_off(newLine[n], xmc_new(lineno + 1, 0))))) { n = m; } } -#undef NEW #endif } else { - chtype blank; - - /* find the first differing character */ - while (firstChar < screen_columns && - newLine[firstChar] == oldLine[firstChar]) - firstChar++; - - /* if there wasn't one, we're done */ - if (firstChar >= screen_columns) - return; + NCURSES_CH_T blank; /* it may be cheap to clear leading whitespace with clr_bol */ - if (clr_bol && can_clear_with(blank = newLine[0])) { + blank = newLine[0]; + if (clr_bol && can_clear_with(CHREF(blank))) { int oFirstChar, nFirstChar; for (oFirstChar = 0; oFirstChar < screen_columns; oFirstChar++) - if (oldLine[oFirstChar] != blank) + if (!CharEq(oldLine[oFirstChar], blank)) break; for (nFirstChar = 0; nFirstChar < screen_columns; nFirstChar++) - if (newLine[nFirstChar] != blank) + if (!CharEq(newLine[nFirstChar], blank)) break; - if (nFirstChar > oFirstChar + SP->_el1_cost) { - if (nFirstChar >= screen_columns && SP->_el_cost <= SP->_el1_cost) { - GoTo(lineno, 0); - UpdateAttrs(blank); - TPUTS_TRACE("clr_eol"); - putp(clr_eol); - } else { - GoTo(lineno, nFirstChar - 1); - UpdateAttrs(blank); - TPUTS_TRACE("clr_bol"); - putp(clr_bol); - } - - while (firstChar < nFirstChar) - oldLine[firstChar++] = blank; + if (nFirstChar == oFirstChar) { + firstChar = nFirstChar; + /* find the first differing character */ + while (firstChar < screen_columns + && CharEq(newLine[firstChar], oldLine[firstChar])) + firstChar++; + } else if (oFirstChar > nFirstChar) { + firstChar = nFirstChar; + } else { /* oFirstChar < nFirstChar */ + firstChar = oFirstChar; + if (SP->_el1_cost < nFirstChar - oFirstChar) { + if (nFirstChar >= screen_columns + && SP->_el_cost <= SP->_el1_cost) { + GoTo(lineno, 0); + UpdateAttrs(blank); + TPUTS_TRACE("clr_eol"); + putp(clr_eol); + } else { + GoTo(lineno, nFirstChar - 1); + UpdateAttrs(blank); + TPUTS_TRACE("clr_bol"); + putp(clr_bol); + } - if (firstChar >= screen_columns) - return; + while (firstChar < nFirstChar) + oldLine[firstChar++] = blank; + } } + } else { + /* find the first differing character */ + while (firstChar < screen_columns + && CharEq(newLine[firstChar], oldLine[firstChar])) + firstChar++; + } + /* if there wasn't one, we're done */ + if (firstChar >= screen_columns) { + TR(TRACE_UPDATE, (T_RETURN(""))); + return; } blank = newLine[screen_columns - 1]; - if (!can_clear_with(blank)) { + if (!can_clear_with(CHREF(blank))) { /* find the last differing character */ nLastChar = screen_columns - 1; while (nLastChar > firstChar - && newLine[nLastChar] == oldLine[nLastChar]) + && CharEq(newLine[nLastChar], oldLine[nLastChar])) nLastChar--; if (nLastChar >= firstChar) { @@ -1167,29 +1320,30 @@ TransformLine(int const lineno) PutRange(oldLine, newLine, lineno, firstChar, nLastChar); memcpy(oldLine + firstChar, newLine + firstChar, - (nLastChar - firstChar + 1) * sizeof(chtype)); + (nLastChar - firstChar + 1) * sizeof(NCURSES_CH_T)); } + TR(TRACE_UPDATE, (T_RETURN(""))); return; } /* find last non-blank character on old line */ oLastChar = screen_columns - 1; - while (oLastChar > firstChar && oldLine[oLastChar] == blank) + while (oLastChar > firstChar && CharEq(oldLine[oLastChar], blank)) oLastChar--; /* find last non-blank character on new line */ nLastChar = screen_columns - 1; - while (nLastChar > firstChar && newLine[nLastChar] == blank) + while (nLastChar > firstChar && CharEq(newLine[nLastChar], blank)) nLastChar--; if ((nLastChar == firstChar) && (SP->_el_cost < (oLastChar - nLastChar))) { GoTo(lineno, firstChar); - if (newLine[firstChar] != blank) - PutChar(newLine[firstChar]); + if (!CharEq(newLine[firstChar], blank)) + PutChar(CHREF(newLine[firstChar])); ClrToEOL(blank, FALSE); } else if ((nLastChar != oLastChar) - && (newLine[nLastChar] != oldLine[oLastChar] + && (!CharEq(newLine[nLastChar], oldLine[oLastChar]) || !(_nc_idcok && has_ic()))) { GoTo(lineno, firstChar); if ((oLastChar - nLastChar) > SP->_el_cost) { @@ -1205,14 +1359,16 @@ TransformLine(int const lineno) int oLastNonblank = oLastChar; /* find the last characters that really differ */ - while (newLine[nLastChar] == oldLine[oLastChar]) { - if (nLastChar != 0 - && oLastChar != 0) { - nLastChar--; - oLastChar--; - } else { + /* can be -1 if no characters differ */ + while (CharEq(newLine[nLastChar], oldLine[oLastChar])) { + /* don't split a wide char */ + if (isWidecExt(newLine[nLastChar]) && + !CharEq(newLine[nLastChar - 1], oldLine[oLastChar - 1])) + break; + nLastChar--; + oLastChar--; + if (nLastChar == -1 || oLastChar == -1) break; - } } n = min(oLastChar, nLastChar); @@ -1223,9 +1379,15 @@ TransformLine(int const lineno) if (oLastChar < nLastChar) { int m = max(nLastNonblank, oLastNonblank); +#if USE_WIDEC_SUPPORT + while (isWidecExt(newLine[n + 1]) && n) { + --n; + --oLastChar; + } +#endif GoTo(lineno, n + 1); - if (InsCharCost(nLastChar - oLastChar) - > (m - n)) { + if ((nLastChar < nLastNonblank) + || InsCharCost(nLastChar - oLastChar) > (m - n)) { PutRange(oldLine, newLine, lineno, n + 1, m); } else { InsStr(&newLine[n + 1], nLastChar - oLastChar); @@ -1258,7 +1420,9 @@ TransformLine(int const lineno) if (screen_columns > firstChar) memcpy(oldLine + firstChar, newLine + firstChar, - (screen_columns - firstChar) * sizeof(chtype)); + (screen_columns - firstChar) * sizeof(NCURSES_CH_T)); + TR(TRACE_UPDATE, (T_RETURN(""))); + return; } /* @@ -1269,7 +1433,7 @@ TransformLine(int const lineno) */ static void -ClearScreen(chtype blank) +ClearScreen(NCURSES_CH_T blank) { int i, j; bool fast_clear = (clear_screen || clr_eos || clr_eol); @@ -1279,7 +1443,7 @@ ClearScreen(chtype blank) #if NCURSES_EXT_FUNCS if (SP->_coloron && !SP->_default_color) { - _nc_do_color(COLOR_PAIR(SP->_current_attr), 0, FALSE, _nc_outch); + _nc_do_color(GET_SCREEN_PAIR(SP), 0, FALSE, _nc_outch); if (!back_color_erase) { fast_clear = FALSE; } @@ -1299,7 +1463,7 @@ ClearScreen(chtype blank) UpdateAttrs(blank); TPUTS_TRACE("clr_eos"); - putp(clr_eos); + tputs(clr_eos, screen_lines, _nc_outch); } else if (clr_eol) { SP->_cursrow = SP->_curscol = -1; @@ -1316,7 +1480,7 @@ ClearScreen(chtype blank) for (i = 0; i < screen_lines; i++) { GoTo(i, 0); for (j = 0; j < screen_columns; j++) - PutChar(blank); + PutChar(CHREF(blank)); } GoTo(0, 0); } @@ -1337,7 +1501,7 @@ ClearScreen(chtype blank) */ static void -InsStr(chtype * line, int count) +InsStr(NCURSES_CH_T * line, int count) { TR(TRACE_UPDATE, ("InsStr(%p,%d) called", line, count)); @@ -1346,9 +1510,9 @@ InsStr(chtype * line, int count) /* The order must match that of InsCharCost. */ if (parm_ich) { TPUTS_TRACE("parm_ich"); - tputs(tparm(parm_ich, count), count, _nc_outch); + tputs(TPARM_1(parm_ich, count), count, _nc_outch); while (count) { - PutAttrChar(*line); + PutAttrChar(CHREF(*line)); line++; count--; } @@ -1356,7 +1520,7 @@ InsStr(chtype * line, int count) TPUTS_TRACE("enter_insert_mode"); putp(enter_insert_mode); while (count) { - PutAttrChar(*line); + PutAttrChar(CHREF(*line)); if (insert_padding) { TPUTS_TRACE("insert_padding"); putp(insert_padding); @@ -1370,7 +1534,7 @@ InsStr(chtype * line, int count) while (count) { TPUTS_TRACE("insert_character"); putp(insert_character); - PutAttrChar(*line); + PutAttrChar(CHREF(*line)); if (insert_padding) { TPUTS_TRACE("insert_padding"); putp(insert_padding); @@ -1394,12 +1558,14 @@ DelChar(int count) { int n; - TR(TRACE_UPDATE, ("DelChar(%d) called, position = (%d,%d)", count, - newscr->_cury, newscr->_curx)); + TR(TRACE_UPDATE, ("DelChar(%d) called, position = (%ld,%ld)", + count, + (long) newscr->_cury, + (long) newscr->_curx)); if (parm_dch) { TPUTS_TRACE("parm_dch"); - tputs(tparm(parm_dch, count), count, _nc_outch); + tputs(TPARM_1(parm_dch, count), count, _nc_outch); } else { for (n = 0; n < count; n++) { TPUTS_TRACE("delete_character"); @@ -1408,19 +1574,6 @@ DelChar(int count) } } -/* -** _nc_outstr(char *str) -** -** Emit a string without waiting for update. -*/ - -void -_nc_outstr(const char *str) -{ - (void) putp(str); - _nc_flush(); -} - /* * Physical-scrolling support * @@ -1455,53 +1608,54 @@ _nc_outstr(const char *str) /* Try to scroll up assuming given csr (miny, maxy). Returns ERR on failure */ static int -scroll_csr_forward(int n, int top, int bot, int miny, int maxy, chtype blank) +scroll_csr_forward(int n, int top, int bot, int miny, int maxy, NCURSES_CH_T blank) { - int i, j; + int i; if (n == 1 && scroll_forward && top == miny && bot == maxy) { GoTo(bot, 0); UpdateAttrs(blank); TPUTS_TRACE("scroll_forward"); - tputs(scroll_forward, 0, _nc_outch); + putp(scroll_forward); } else if (n == 1 && delete_line && bot == maxy) { GoTo(top, 0); UpdateAttrs(blank); TPUTS_TRACE("delete_line"); - tputs(delete_line, 0, _nc_outch); + putp(delete_line); } else if (parm_index && top == miny && bot == maxy) { GoTo(bot, 0); UpdateAttrs(blank); TPUTS_TRACE("parm_index"); - tputs(tparm(parm_index, n, 0), n, _nc_outch); + tputs(TPARM_2(parm_index, n, 0), n, _nc_outch); } else if (parm_delete_line && bot == maxy) { GoTo(top, 0); UpdateAttrs(blank); TPUTS_TRACE("parm_delete_line"); - tputs(tparm(parm_delete_line, n, 0), n, _nc_outch); + tputs(TPARM_2(parm_delete_line, n, 0), n, _nc_outch); } else if (scroll_forward && top == miny && bot == maxy) { GoTo(bot, 0); UpdateAttrs(blank); for (i = 0; i < n; i++) { TPUTS_TRACE("scroll_forward"); - tputs(scroll_forward, 0, _nc_outch); + putp(scroll_forward); } } else if (delete_line && bot == maxy) { GoTo(top, 0); UpdateAttrs(blank); for (i = 0; i < n; i++) { TPUTS_TRACE("delete_line"); - tputs(delete_line, 0, _nc_outch); + putp(delete_line); } } else return ERR; #if NCURSES_EXT_FUNCS if (FILL_BCE()) { + int j; for (i = 0; i < n; i++) { GoTo(bot - i, 0); for (j = 0; j < screen_columns; j++) - PutChar(blank); + PutChar(CHREF(blank)); } } #endif @@ -1511,53 +1665,55 @@ scroll_csr_forward(int n, int top, int bot, int miny, int maxy, chtype blank) /* Try to scroll down assuming given csr (miny, maxy). Returns ERR on failure */ /* n > 0 */ static int -scroll_csr_backward(int n, int top, int bot, int miny, int maxy, chtype blank) +scroll_csr_backward(int n, int top, int bot, int miny, int maxy, + NCURSES_CH_T blank) { - int i, j; + int i; if (n == 1 && scroll_reverse && top == miny && bot == maxy) { GoTo(top, 0); UpdateAttrs(blank); TPUTS_TRACE("scroll_reverse"); - tputs(scroll_reverse, 0, _nc_outch); + putp(scroll_reverse); } else if (n == 1 && insert_line && bot == maxy) { GoTo(top, 0); UpdateAttrs(blank); TPUTS_TRACE("insert_line"); - tputs(insert_line, 0, _nc_outch); + putp(insert_line); } else if (parm_rindex && top == miny && bot == maxy) { GoTo(top, 0); UpdateAttrs(blank); TPUTS_TRACE("parm_rindex"); - tputs(tparm(parm_rindex, n, 0), n, _nc_outch); + tputs(TPARM_2(parm_rindex, n, 0), n, _nc_outch); } else if (parm_insert_line && bot == maxy) { GoTo(top, 0); UpdateAttrs(blank); TPUTS_TRACE("parm_insert_line"); - tputs(tparm(parm_insert_line, n, 0), n, _nc_outch); + tputs(TPARM_2(parm_insert_line, n, 0), n, _nc_outch); } else if (scroll_reverse && top == miny && bot == maxy) { GoTo(top, 0); UpdateAttrs(blank); for (i = 0; i < n; i++) { TPUTS_TRACE("scroll_reverse"); - tputs(scroll_reverse, 0, _nc_outch); + putp(scroll_reverse); } } else if (insert_line && bot == maxy) { GoTo(top, 0); UpdateAttrs(blank); for (i = 0; i < n; i++) { TPUTS_TRACE("insert_line"); - tputs(insert_line, 0, _nc_outch); + putp(insert_line); } } else return ERR; #if NCURSES_EXT_FUNCS if (FILL_BCE()) { + int j; for (i = 0; i < n; i++) { GoTo(top + i, 0); for (j = 0; j < screen_columns; j++) - PutChar(blank); + PutChar(CHREF(blank)); } } #endif @@ -1567,7 +1723,7 @@ scroll_csr_backward(int n, int top, int bot, int miny, int maxy, chtype blank) /* scroll by using delete_line at del and insert_line at ins */ /* n > 0 */ static int -scroll_idl(int n, int del, int ins, chtype blank) +scroll_idl(int n, int del, int ins, NCURSES_CH_T blank) { int i; @@ -1578,14 +1734,14 @@ scroll_idl(int n, int del, int ins, chtype blank) UpdateAttrs(blank); if (n == 1 && delete_line) { TPUTS_TRACE("delete_line"); - tputs(delete_line, 0, _nc_outch); + putp(delete_line); } else if (parm_delete_line) { TPUTS_TRACE("parm_delete_line"); - tputs(tparm(parm_delete_line, n, 0), n, _nc_outch); + tputs(TPARM_2(parm_delete_line, n, 0), n, _nc_outch); } else { /* if (delete_line) */ for (i = 0; i < n; i++) { TPUTS_TRACE("delete_line"); - tputs(delete_line, 0, _nc_outch); + putp(delete_line); } } @@ -1593,25 +1749,33 @@ scroll_idl(int n, int del, int ins, chtype blank) UpdateAttrs(blank); if (n == 1 && insert_line) { TPUTS_TRACE("insert_line"); - tputs(insert_line, 0, _nc_outch); + putp(insert_line); } else if (parm_insert_line) { TPUTS_TRACE("parm_insert_line"); - tputs(tparm(parm_insert_line, n, 0), n, _nc_outch); + tputs(TPARM_2(parm_insert_line, n, 0), n, _nc_outch); } else { /* if (insert_line) */ for (i = 0; i < n; i++) { TPUTS_TRACE("insert_line"); - tputs(insert_line, 0, _nc_outch); + putp(insert_line); } } return OK; } -int +/* + * Note: some terminals require the cursor to be within the scrolling margins + * before setting them. Generally, the cursor must be at the appropriate end + * of the scrolling margins when issuing an indexing operation (it is not + * apparent whether it must also be at the left margin; we do this just to be + * safe). To make the related cursor movement a little faster, we use the + * save/restore cursor capabilities if the terminal has them. + */ +NCURSES_EXPORT(int) _nc_scrolln(int n, int top, int bot, int maxy) /* scroll region from top to bot by n lines */ { - chtype blank = ClrBlank(stdscr); + NCURSES_CH_T blank = ClrBlank(stdscr); int i; bool cursor_saved = FALSE; int res; @@ -1640,13 +1804,13 @@ _nc_scrolln(int n, int top, int bot, int maxy) && save_cursor && restore_cursor) { cursor_saved = TRUE; TPUTS_TRACE("save_cursor"); - tputs(save_cursor, 0, _nc_outch); + putp(save_cursor); } TPUTS_TRACE("change_scroll_region"); - tputs(tparm(change_scroll_region, top, bot), 0, _nc_outch); + putp(TPARM_2(change_scroll_region, top, bot)); if (cursor_saved) { TPUTS_TRACE("restore_cursor"); - tputs(restore_cursor, 0, _nc_outch); + putp(restore_cursor); } else { SP->_cursrow = SP->_curscol = -1; } @@ -1654,7 +1818,7 @@ _nc_scrolln(int n, int top, int bot, int maxy) res = scroll_csr_forward(n, top, bot, top, bot, blank); TPUTS_TRACE("change_scroll_region"); - tputs(tparm(change_scroll_region, 0, maxy), 0, _nc_outch); + putp(TPARM_2(change_scroll_region, 0, maxy)); SP->_cursrow = SP->_curscol = -1; } @@ -1666,13 +1830,14 @@ _nc_scrolln(int n, int top, int bot, int maxy) */ if (res != ERR && (non_dest_scroll_region || (memory_below && bot == maxy))) { + static const NCURSES_CH_T blank2 = NewChar(BLANK_TEXT); if (bot == maxy && clr_eos) { - GoTo(bot - n, 0); - ClrToEOS(BLANK); + GoTo(bot - n + 1, 0); + ClrToEOS(blank2); } else { for (i = 0; i < n; i++) { GoTo(bot - i, 0); - ClrToEOL(BLANK, FALSE); + ClrToEOL(blank2, FALSE); } } } @@ -1685,13 +1850,13 @@ _nc_scrolln(int n, int top, int bot, int maxy) && save_cursor && restore_cursor) { cursor_saved = TRUE; TPUTS_TRACE("save_cursor"); - tputs(save_cursor, 0, _nc_outch); + putp(save_cursor); } TPUTS_TRACE("change_scroll_region"); - tputs(tparm(change_scroll_region, top, bot), 0, _nc_outch); + putp(TPARM_2(change_scroll_region, top, bot)); if (cursor_saved) { TPUTS_TRACE("restore_cursor"); - tputs(restore_cursor, 0, _nc_outch); + putp(restore_cursor); } else { SP->_cursrow = SP->_curscol = -1; } @@ -1699,7 +1864,7 @@ _nc_scrolln(int n, int top, int bot, int maxy) res = scroll_csr_backward(-n, top, bot, top, bot, blank); TPUTS_TRACE("change_scroll_region"); - tputs(tparm(change_scroll_region, 0, maxy), 0, _nc_outch); + putp(TPARM_2(change_scroll_region, 0, maxy)); SP->_cursrow = SP->_curscol = -1; } @@ -1711,9 +1876,10 @@ _nc_scrolln(int n, int top, int bot, int maxy) */ if (res != ERR && (non_dest_scroll_region || (memory_above && top == 0))) { + static const NCURSES_CH_T blank2 = NewChar(BLANK_TEXT); for (i = 0; i < -n; i++) { GoTo(i + top, 0); - ClrToEOL(BLANK, FALSE); + ClrToEOL(blank2, FALSE); } } } @@ -1729,15 +1895,31 @@ _nc_scrolln(int n, int top, int bot, int maxy) return (OK); } -void +NCURSES_EXPORT(void) _nc_screen_resume(void) { /* make sure terminal is in a sane known state */ - SP->_current_attr = A_NORMAL; + SetAttr(SCREEN_ATTRS(SP), A_NORMAL); newscr->_clear = TRUE; - if (SP->_coloron == TRUE && orig_pair) - putp(orig_pair); + /* reset color pairs and definitions */ + if (SP->_coloron || SP->_color_defs) + _nc_reset_colors(); + + /* restore user-defined colors, if any */ + if (SP->_color_defs < 0) { + int n; + SP->_color_defs = -(SP->_color_defs); + for (n = 0; n < SP->_color_defs; ++n) { + if (SP->_color_table[n].init) { + init_color(n, + SP->_color_table[n].r, + SP->_color_table[n].g, + SP->_color_table[n].b); + } + } + } + if (exit_attribute_mode) putp(exit_attribute_mode); else { @@ -1755,38 +1937,40 @@ _nc_screen_resume(void) putp(auto_right_margin ? enter_am_mode : exit_am_mode); } -void +NCURSES_EXPORT(void) _nc_screen_init(void) { _nc_screen_resume(); } /* wrap up screen handling */ -void +NCURSES_EXPORT(void) _nc_screen_wrap(void) { - UpdateAttrs(A_NORMAL); + UpdateAttrs(normal); #if NCURSES_EXT_FUNCS if (SP->_coloron && !SP->_default_color) { + static const NCURSES_CH_T blank = NewChar(BLANK_TEXT); SP->_default_color = TRUE; _nc_do_color(-1, 0, FALSE, _nc_outch); SP->_default_color = FALSE; mvcur(SP->_cursrow, SP->_curscol, screen_lines - 1, 0); - SP->_cursrow = screen_lines - 1; - SP->_curscol = 0; - ClrToEOL(BLANK, TRUE); + ClrToEOL(blank, TRUE); } #endif + if (SP->_color_defs) { + _nc_reset_colors(); + } } #if USE_XMC_SUPPORT -void +NCURSES_EXPORT(void) _nc_do_xmc_glitch(attr_t previous) { - attr_t chg = XMC_CHANGES(previous ^ SP->_current_attr); + attr_t chg = XMC_CHANGES(previous ^ AttrOf(SCREEN_ATTRS(SP))); while (chg != 0) { if (chg & 1) {