X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftty%2Ftty_update.c;h=57222f15f5ff31bbe98af66e3968aed6b560a18a;hp=408ebe3be7d05c8fa60f5dd0ad37d64b03f1e86c;hb=3ec8f79f3ceda990461c80de2f96d66b886e00d5;hpb=55ccd2b959766810cf7db8d1c4462f338ce0afc8 diff --git a/ncurses/tty/tty_update.c b/ncurses/tty/tty_update.c index 408ebe3b..57222f15 100644 --- a/ncurses/tty/tty_update.c +++ b/ncurses/tty/tty_update.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998-2004,2005 Free Software Foundation, Inc. * + * Copyright (c) 1998-2006,2007 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 * @@ -74,7 +74,7 @@ #include #include -MODULE_ID("$Id: tty_update.c,v 1.220 2005/08/13 17:12:32 tom Exp $") +MODULE_ID("$Id: tty_update.c,v 1.239 2007/04/19 20:57:49 tom Exp $") /* * This define controls the line-breakout optimization. Every once in a @@ -89,7 +89,8 @@ MODULE_ID("$Id: tty_update.c,v 1.220 2005/08/13 17:12:32 tom Exp $") #define FILL_BCE() (SP->_coloron && !SP->_default_color && !back_color_erase) -static const NCURSES_CH_T normal = NewChar2(BLANK_TEXT, BLANK_ATTR); +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 @@ -98,7 +99,7 @@ static const NCURSES_CH_T normal = NewChar2(BLANK_TEXT, BLANK_ATTR); */ /* #define POSITION_DEBUG */ -static inline NCURSES_CH_T ClrBlank(WINDOW *win); +static NCURSES_INLINE NCURSES_CH_T ClrBlank(WINDOW *win); static int ClrBottom(int total); static void ClearScreen(NCURSES_CH_T blank); static void ClrUpdate(void); @@ -166,7 +167,7 @@ position_check(int expected_y, int expected_x, char *legend) * ****************************************************************************/ -static inline void +static NCURSES_INLINE void GoTo(int const row, int const col) { TR(TRACE_MOVE, ("GoTo(%d, %d) from (%d, %d)", @@ -178,7 +179,7 @@ GoTo(int const row, int const col) position_check(SP->_cursrow, SP->_curscol, "GoTo2"); } -static inline void +static NCURSES_INLINE void PutAttrChar(CARG_CH_T ch) { int chlen = 1; @@ -203,11 +204,29 @@ PutAttrChar(CARG_CH_T ch) * on the screen. It should be at least one. */ if ((chlen = wcwidth(CharOf(CHDEREF(ch)))) <= 0) { - static NCURSES_CH_T blank = NewChar(BLANK_TEXT); + 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 && CharOf(CHDEREF(ch)) >= 160))) { + || (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); @@ -244,8 +263,11 @@ PutAttrChar(CARG_CH_T ch) int j = CharOfD(ch); chtype temp = UChar(SP->_acs_map[j]); - if (!(SP->_screen_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)); } @@ -361,38 +383,48 @@ PutCharLR(const ARG_CH_T ch) } } +/* + * 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 +static NCURSES_INLINE void PutChar(const ARG_CH_T ch) /* insert character, handling automargin stuff */ { @@ -413,7 +445,7 @@ PutChar(const ARG_CH_T 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 +static NCURSES_INLINE bool can_clear_with(ARG_CH_T ch) { if (!back_color_erase && SP->_coloron) { @@ -456,6 +488,8 @@ 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; @@ -488,7 +522,7 @@ EmitRange(const NCURSES_CH_T * ntext, int num) && runcount > SP->_ech_cost + SP->_cup_ch_cost && 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, @@ -508,7 +542,7 @@ EmitRange(const NCURSES_CH_T * ntext, int num) rep_count--; UpdateAttrs(ntext0); - tputs(tparm(repeat_char, CharOf(ntext0), rep_count), + tputs(TPARM_2(repeat_char, CharOf(ntext0), rep_count), rep_count, _nc_outch); SP->_curscol += rep_count; @@ -606,7 +640,7 @@ doupdate(void) SP->_fifohold--; #if USE_SIZECHANGE - if (SP->_endwin || SP->_sig_winch) { + if (SP->_endwin || _nc_handle_sigwinch(FALSE)) { /* * This is a transparent extension: XSI does not address it, * and applications need not know that ncurses can do it. @@ -637,17 +671,15 @@ doupdate(void) #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) { @@ -657,11 +689,13 @@ doupdate(void) for (i = 0; i < screen_lines; i++) { for (j = 0; j < screen_columns; j++) { bool failed = FALSE; - attr_t turnon = AttrOf(newscr->_line[i].text[j]) & ~rattr; + NCURSES_CH_T *thisline = newscr->_line[i].text; + attr_t thisattr = AttrOf(thisline[j]) & SP->_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; } @@ -669,23 +703,33 @@ 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) & (attr_t)~NONBLANK_ATTR)) - if (ISBLANK(newscr->_line[i].text[j]) && SAFE(turnon)) { - RemAttr(newscr->_line[i].text[j], turnon); +#define SAFE(a) (!((a) & SP->_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 - || !ISBLANK(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; @@ -694,7 +738,8 @@ 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->_xmc_triggers) == rattr) { end_onscreen = TRUE; TR(TRACE_ATTRS, ("Range attributed with %s ends at (%d, %d)", @@ -713,22 +758,34 @@ doupdate(void) 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 && ISBLANK(lastline[n]) - && SAFE(AttrOf(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 || !ISBLANK(lastline[n + k]) - || !SAFE(AttrOf(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; + } + } } } @@ -742,7 +799,8 @@ 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->_xmc_triggers) == rattr) goto foundend; RemAttr(newscr->_line[p].text[q], turnon); } @@ -755,14 +813,14 @@ 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++) - AddAttr(newscr->_line[i].text[j - k], turnon); + AddAttr(thisline[j - k], turnon); } - rattr = AttrOf(newscr->_line[i].text[j]); + rattr = thisattr; } } @@ -846,13 +904,18 @@ 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(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); @@ -881,10 +944,10 @@ doupdate(void) #define BCE_ATTRS (A_NORMAL|A_COLOR) #define BCE_BKGD(win) (((win) == curscr ? stdscr : (win))->_nc_bkgd) -static inline NCURSES_CH_T +static NCURSES_INLINE NCURSES_CH_T ClrBlank(WINDOW *win) { - NCURSES_CH_T blank = NewChar(BLANK_TEXT); + NCURSES_CH_T blank = blankchar; if (back_color_erase) AddAttr(blank, (AttrOf(BCE_BKGD(win)) & BCE_ATTRS)); return blank; @@ -1031,14 +1094,8 @@ ClrBottom(int total) #if USE_XMC_SUPPORT #if USE_WIDEC_SUPPORT -static inline bool -check_xmc_transition(NCURSES_CH_T * a, NCURSES_CH_T * b) -{ - if (((a->attr ^ b->attr) & ~(a->attr) & SP->_xmc_triggers) != 0) { - return TRUE; - } - return FALSE; -} +#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) @@ -1433,7 +1490,7 @@ InsStr(NCURSES_CH_T * 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(CHREF(*line)); line++; @@ -1481,12 +1538,14 @@ 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"); @@ -1547,12 +1606,12 @@ scroll_csr_forward(int n, int top, int bot, int miny, int maxy, NCURSES_CH_T bla 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); @@ -1605,12 +1664,12 @@ scroll_csr_backward(int n, int top, int bot, int miny, int 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); @@ -1658,7 +1717,7 @@ scroll_idl(int n, int del, int ins, NCURSES_CH_T blank) 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"); @@ -1673,7 +1732,7 @@ scroll_idl(int n, int del, int ins, NCURSES_CH_T blank) 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"); @@ -1728,7 +1787,7 @@ _nc_scrolln(int n, int top, int bot, int maxy) putp(save_cursor); } TPUTS_TRACE("change_scroll_region"); - putp(tparm(change_scroll_region, top, bot)); + putp(TPARM_2(change_scroll_region, top, bot)); if (cursor_saved) { TPUTS_TRACE("restore_cursor"); putp(restore_cursor); @@ -1739,7 +1798,7 @@ _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"); - putp(tparm(change_scroll_region, 0, maxy)); + putp(TPARM_2(change_scroll_region, 0, maxy)); SP->_cursrow = SP->_curscol = -1; } @@ -1751,7 +1810,7 @@ _nc_scrolln(int n, int top, int bot, int maxy) */ if (res != ERR && (non_dest_scroll_region || (memory_below && bot == maxy))) { - NCURSES_CH_T blank2 = NewChar(BLANK_TEXT); + static const NCURSES_CH_T blank2 = NewChar(BLANK_TEXT); if (bot == maxy && clr_eos) { GoTo(bot - n + 1, 0); ClrToEOS(blank2); @@ -1774,7 +1833,7 @@ _nc_scrolln(int n, int top, int bot, int maxy) putp(save_cursor); } TPUTS_TRACE("change_scroll_region"); - putp(tparm(change_scroll_region, top, bot)); + putp(TPARM_2(change_scroll_region, top, bot)); if (cursor_saved) { TPUTS_TRACE("restore_cursor"); putp(restore_cursor); @@ -1785,7 +1844,7 @@ _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"); - putp(tparm(change_scroll_region, 0, maxy)); + putp(TPARM_2(change_scroll_region, 0, maxy)); SP->_cursrow = SP->_curscol = -1; } @@ -1797,7 +1856,7 @@ _nc_scrolln(int n, int top, int bot, int maxy) */ if (res != ERR && (non_dest_scroll_region || (memory_above && top == 0))) { - NCURSES_CH_T blank2 = NewChar(BLANK_TEXT); + static const NCURSES_CH_T blank2 = NewChar(BLANK_TEXT); for (i = 0; i < -n; i++) { GoTo(i + top, 0); ClrToEOL(blank2, FALSE); @@ -1872,7 +1931,7 @@ _nc_screen_wrap(void) #if NCURSES_EXT_FUNCS if (SP->_coloron && !SP->_default_color) { - NCURSES_CH_T blank = NewChar(BLANK_TEXT); + 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;