X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftty%2Ftty_update.c;h=87996232dc2df7705111989a34d6e42fd6613c7c;hp=7e99b358eb4e93d796d68fda3d678029b1b7791e;hb=bbb7fd37298f7d81386a4cf868417b9e084d7d90;hpb=404cc3f5b0751dd219565139f825c5a4d445f651 diff --git a/ncurses/tty/tty_update.c b/ncurses/tty/tty_update.c index 7e99b358..87996232 100644 --- a/ncurses/tty/tty_update.c +++ b/ncurses/tty/tty_update.c @@ -43,6 +43,7 @@ * *-----------------------------------------------------------------*/ +#define NEED_NCURSES_CH_T 1 #include #ifndef CUR @@ -82,7 +83,7 @@ #include -MODULE_ID("$Id: tty_update.c,v 1.255 2009/05/10 00:53:14 tom Exp $") +MODULE_ID("$Id: tty_update.c,v 1.258 2009/06/27 19:16:17 tom Exp $") /* * This define controls the line-breakout optimization. Every once in a @@ -192,12 +193,13 @@ position_check(NCURSES_SP_DCLx int expected_y, int expected_x, char *legend) static NCURSES_INLINE void GoTo(NCURSES_SP_DCLx int const row, int const col) { - TR(TRACE_MOVE, ("GoTo(%d, %d) from (%d, %d)", - row, col, SP_PARM->_cursrow, SP_PARM->_curscol)); + TR(TRACE_MOVE, ("GoTo(%p, %d, %d) from (%d, %d)", + SP_PARM, row, col, SP_PARM->_cursrow, SP_PARM->_curscol)); position_check(SP_PARM, SP_PARM->_cursrow, SP_PARM->_curscol, "GoTo"); - mvcur(SP_PARM->_cursrow, SP_PARM->_curscol, row, col); + NCURSES_SP_NAME(mvcur) (NCURSES_SP_ARGx SP_PARM->_cursrow, + SP_PARM->_curscol, row, col); position_check(SP_PARM, SP_PARM->_cursrow, SP_PARM->_curscol, "GoTo2"); } @@ -558,7 +560,8 @@ 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_SP_NAME(putp) (NCURSES_SP_ARGx TPARM_1(erase_chars, runcount)); + NCURSES_SP_NAME(putp) (NCURSES_SP_ARGx + TPARM_1(erase_chars, runcount)); /* * If this is the last part of the given interval, @@ -666,10 +669,29 @@ NCURSES_SP_NAME(doupdate) (NCURSES_SP_DCL0) struct tms before, after; #endif /* USE_TRACE_TIMES */ - T((T_CALLED("doupdate()"))); + T((T_CALLED("_nc_tinfo:doupdate(%p)"), SP_PARM)); + +#if !USE_REENTRANT + /* + * It is "legal" but unlikely that an application could assign a new + * value to one of the standard windows. Check for that possibility + * and try to recover. + * + * We do not allow applications to assign new values in the reentrant + * model. + */ +#define SyncScreens(internal,exported) \ + if (internal == 0) internal = exported; \ + if (internal != exported) exported = internal + + SyncScreens(CurScreen(SP_PARM), curscr); + SyncScreens(NewScreen(SP_PARM), newscr); + SyncScreens(StdScreen(SP_PARM), stdscr); +#endif if (CurScreen(SP_PARM) == 0 - || NewScreen(SP_PARM) == 0) + || NewScreen(SP_PARM) == 0 + || StdScreen(SP_PARM) == 0) returnCode(ERR); #ifdef TRACE @@ -787,9 +809,8 @@ NCURSES_SP_NAME(doupdate) (NCURSES_SP_DCL0) /* find end of span, if it's onscreen */ for (m = i; m < screen_lines(SP_PARM); m++) { for (; n < screen_columns(SP_PARM); n++) { - attr_t testattr - = AttrOf(NewScreen(SP_PARM)->_line[m].text[n]); - + attr_t testattr = + AttrOf(NewScreen(SP_PARM)->_line[m].text[n]); if ((testattr & SP_PARM->_xmc_triggers) == rattr) { end_onscreen = TRUE; TR(TRACE_ATTRS, @@ -851,8 +872,7 @@ NCURSES_SP_NAME(doupdate) (NCURSES_SP_DCL0) /* turn off new attributes over span */ for (p = i; p < screen_lines(SP_PARM); p++) { for (; q < screen_columns(SP_PARM); q++) { - attr_t testattr = - AttrOf(NewScreen(SP_PARM)->_line[p].text[q]); + attr_t testattr = AttrOf(newscr->_line[p].text[q]); if ((testattr & SP_PARM->_xmc_triggers) == rattr) goto foundend; RemAttr(NewScreen(SP_PARM)->_line[p].text[q], turnon); @@ -902,7 +922,7 @@ NCURSES_SP_NAME(doupdate) (NCURSES_SP_DCL0) nonempty = min(screen_lines(SP_PARM), NewScreen(SP_PARM)->_maxy + 1); if (SP_PARM->_scrolling) { - _nc_scroll_optimize(); + NCURSES_SP_NAME(_nc_scroll_optimize) (NCURSES_SP_ARG); } nonempty = ClrBottom(NCURSES_SP_ARGx nonempty); @@ -919,8 +939,8 @@ NCURSES_SP_NAME(doupdate) (NCURSES_SP_DCL0) } /* - * newscr.line[i].firstchar is normally set - * by wnoutrefresh. curscr.line[i].firstchar + * newscr->line[i].firstchar is normally set + * by wnoutrefresh. curscr->line[i].firstchar * is normally set by _nc_scroll_window in the * vertical-movement optimization code, */ @@ -1003,14 +1023,14 @@ doupdate(void) * in the wbkgd() call. Assume 'stdscr' for this case. */ #define BCE_ATTRS (A_NORMAL|A_COLOR) -#define BCE_BKGD(win) (((win) == CurScreen(SP_PARM) ? StdScreen(SP_PARM) : (win))->_nc_bkgd) +#define BCE_BKGD(sp,win) (((win) == CurScreen(sp) ? StdScreen(sp) : (win))->_nc_bkgd) static NCURSES_INLINE NCURSES_CH_T ClrBlank(NCURSES_SP_DCLx WINDOW *win) { NCURSES_CH_T blank = blankchar; if (back_color_erase) - AddAttr(blank, (AttrOf(BCE_BKGD(win)) & BCE_ATTRS)); + AddAttr(blank, (AttrOf(BCE_BKGD(SP_PARM, win)) & BCE_ATTRS)); return blank; } @@ -1054,7 +1074,7 @@ ClrToEOL(NCURSES_SP_DCLx NCURSES_CH_T blank, bool needclear) { int j; - if (CurScreen(SP_PARM) != 0 + if (SP_PARM != 0 && CurScreen(SP_PARM) != 0 && SP_PARM->_cursrow >= 0) { for (j = SP_PARM->_curscol; j < screen_columns(SP_PARM); j++) { if (j >= 0) { @@ -1172,7 +1192,7 @@ ClrBottom(NCURSES_SP_DCLx int total) #define xmc_turn_on(sp,a,b) ((((a)^(b)) & ~(a) & (sp)->_xmc_triggers) != 0) #endif -#define xmc_new(sp,r,c) NewScreen(SP_PARM)->_line[r].text[c] +#define xmc_new(sp,r,c) NewScreen(sp)->_line[r].text[c] #define xmc_turn_off(sp,a,b) xmc_turn_on(sp,b,a) #endif /* USE_XMC_SUPPORT */ @@ -1252,8 +1272,8 @@ TransformLine(NCURSES_SP_DCLx int const lineno) if (attrchanged) { /* we may have to disregard the whole line */ GoTo(NCURSES_SP_ARGx lineno, firstChar); ClrToEOL(NCURSES_SP_ARGx - ClrBlank(NCURSES_SP_ARGx CurScreen(SP_PARM)), - FALSE); + ClrBlank(NCURSES_SP_ARGx + CurScreen(SP_PARM)), FALSE); PutRange(NCURSES_SP_ARGx oldLine, newLine, lineno, 0, screen_columns(SP_PARM) - 1); @@ -1413,7 +1433,8 @@ TransformLine(NCURSES_SP_DCLx int const lineno) ClrToEOL(NCURSES_SP_ARGx blank, FALSE); } else if ((nLastChar != oLastChar) && (!CharEq(newLine[nLastChar], oldLine[oLastChar]) - || !(_nc_idcok && has_ic()))) { + || !(SP_PARM->_nc_sp_idcok + && NCURSES_SP_NAME(has_ic) (NCURSES_SP_ARG)))) { GoTo(NCURSES_SP_ARGx lineno, firstChar); if ((oLastChar - nLastChar) > SP_PARM->_el_cost) { if (PutRange(NCURSES_SP_ARGx @@ -1557,7 +1578,6 @@ ClearScreen(NCURSES_SP_DCLx NCURSES_CH_T blank) } else if (clr_eos) { SP_PARM->_cursrow = SP_PARM->_curscol = -1; GoTo(NCURSES_SP_ARGx 0, 0); - UpdateAttrs(SP_PARM, blank); TPUTS_TRACE("clr_eos"); NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx @@ -1566,7 +1586,6 @@ ClearScreen(NCURSES_SP_DCLx NCURSES_CH_T blank) NCURSES_SP_NAME(_nc_outch)); } else if (clr_eol) { SP_PARM->_cursrow = SP_PARM->_curscol = -1; - UpdateAttrs(SP_PARM, blank); for (i = 0; i < screen_lines(SP_PARM); i++) { GoTo(NCURSES_SP_ARGx i, 0); @@ -1914,12 +1933,17 @@ NCURSES_SP_NAME(_nc_scrolln) (NCURSES_SP_DCLx int maxy) /* scroll region from top to bot by n lines */ { - NCURSES_CH_T blank = ClrBlank(NCURSES_SP_ARGx StdScreen(SP_PARM)); + NCURSES_CH_T blank; int i; bool cursor_saved = FALSE; int res; - TR(TRACE_MOVE, ("mvcur_scrolln(%d, %d, %d, %d)", n, top, bot, maxy)); + TR(TRACE_MOVE, ("_nc_scrolln(%p, %d, %d, %d, %d)", SP_PARM, n, top, bot, maxy)); + + if (!IsValidScreen(SP_PARM)) + return (ERR); + + blank = ClrBlank(NCURSES_SP_ARGx StdScreen(SP_PARM)); #if USE_XMC_SUPPORT /* @@ -1963,7 +1987,7 @@ NCURSES_SP_NAME(_nc_scrolln) (NCURSES_SP_DCLx SP_PARM->_cursrow = SP_PARM->_curscol = -1; } - if (res == ERR && _nc_idlok) + if (res == ERR && SP_PARM->_nc_sp_idlok) res = scroll_idl(NCURSES_SP_ARGx n, top, bot - n + 1, blank); /* @@ -2014,7 +2038,7 @@ NCURSES_SP_NAME(_nc_scrolln) (NCURSES_SP_DCLx SP_PARM->_cursrow = SP_PARM->_curscol = -1; } - if (res == ERR && _nc_idlok) + if (res == ERR && SP_PARM->_nc_sp_idlok) res = scroll_idl(NCURSES_SP_ARGx -n, bot + n + 1, top, blank); /* @@ -2060,7 +2084,7 @@ NCURSES_SP_NAME(_nc_screen_resume) (NCURSES_SP_DCL0) /* reset color pairs and definitions */ if (SP_PARM->_coloron || SP_PARM->_color_defs) - _nc_reset_colors(); + NCURSES_SP_NAME(_nc_reset_colors) (NCURSES_SP_ARG); /* restore user-defined colors, if any */ if (SP_PARM->_color_defs < 0) { @@ -2132,20 +2156,23 @@ NCURSES_SP_NAME(_nc_screen_wrap) (NCURSES_SP_DCL0) static const NCURSES_CH_T blank = NewChar(BLANK_TEXT); SP_PARM->_default_color = TRUE; NCURSES_SP_NAME(_nc_do_color) (NCURSES_SP_ARGx - -1, 0, + -1, + 0, FALSE, NCURSES_SP_NAME(_nc_outch)); SP_PARM->_default_color = FALSE; - mvcur(SP_PARM->_cursrow, - SP_PARM->_curscol, - screen_lines(SP_PARM) - 1, 0); + NCURSES_SP_NAME(mvcur) (NCURSES_SP_ARGx + SP_PARM->_cursrow, + SP_PARM->_curscol, + screen_lines(SP_PARM) - 1, + 0); ClrToEOL(NCURSES_SP_ARGx blank, TRUE); } #endif if (SP_PARM->_color_defs) { - _nc_reset_colors(); + NCURSES_SP_NAME(_nc_reset_colors) (NCURSES_SP_ARG); } }