ncurses 6.4 - patch 20240414

[ncurses.git] / ncurses / tty / tty_update.c

diff --git a/ncurses/tty/tty_update.c b/ncurses/tty/tty_update.c
index d57f23f10ef4431b845b2706de78316506559bb5..0427024cb084988428c56bad1805dbf37a99ae78 100644 (file)
--- a/ncurses/tty/tty_update.c
+++ b/ncurses/tty/tty_update.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright 2018-2019,2020 Thomas E. Dickey                                *
+ * Copyright 2018-2023,2024 Thomas E. Dickey                                *
  * Copyright 1998-2016,2017 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
@@ -85,7 +85,7 @@
 
 #include <ctype.h>
 
-MODULE_ID("$Id: tty_update.c,v 1.307 2020/05/23 19:10:35 tom Exp $")
+MODULE_ID("$Id: tty_update.c,v 1.316 2024/02/04 00:09:34 tom Exp $")
 
 /*
  * This define controls the line-breakout optimization.  Every once in a
@@ -136,7 +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];
@@ -170,9 +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);
@@ -256,6 +256,7 @@ PutAttrChar(NCURSES_SP_DCLx CARG_CH_T ch)
         *    not checked.
         */
        if (is8bits(CharOf(CHDEREF(ch)))
+           && (!is7bits(CharOf(CHDEREF(ch))) && _nc_unicode_locale())
            && (isprint(CharOf(CHDEREF(ch)))
                || (SP_PARM->_legacy_coding > 0 && CharOf(CHDEREF(ch)) >= 160)
                || (SP_PARM->_legacy_coding > 1 && CharOf(CHDEREF(ch)) >= 128)
@@ -429,11 +430,12 @@ 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,
@@ -472,7 +474,7 @@ wrap_cursor(NCURSES_SP_DCL0)
         * 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
+        * it is safe to just tell the code that the cursor is in hyperspace and
         * let the next mvcur() call straighten things out.
         */
        SP_PARM->_curscol = -1;
@@ -605,7 +607,7 @@ 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,
@@ -648,9 +650,9 @@ EmitRange(NCURSES_SP_DCLx const NCURSES_CH_T *ntext, int num)
                            AttrOf(ntext0) | A_ALTCHARSET);
                }
                NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
-                                       TPARM_2(repeat_char,
-                                               CharOf(temp),
-                                               rep_count),
+                                       TIPARM_2(repeat_char,
+                                                CharOf(temp),
+                                                rep_count),
                                        1,
                                        NCURSES_SP_NAME(_nc_outch));
                SP_PARM->_curscol += rep_count;
@@ -756,14 +758,20 @@ TINFO_DOUPDATE(NCURSES_SP_DCL0)
      * We do not allow applications to assign new values in the reentrant
      * model.
      */
+#if NCURSES_SP_FUNCS
+    if (SP_PARM == CURRENT_SCREEN) {
+#endif
 #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);
+       SyncScreens(CurScreen(SP_PARM), curscr);
+       SyncScreens(NewScreen(SP_PARM), newscr);
+       SyncScreens(StdScreen(SP_PARM), stdscr);
+#if NCURSES_SP_FUNCS
+    }
 #endif
+#endif /* !USE_REENTRANT */
 
     if (CurScreen(SP_PARM) == 0
        || NewScreen(SP_PARM) == 0
@@ -822,7 +830,7 @@ TINFO_DOUPDATE(NCURSES_SP_DCL0)
     /*
      * 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
+     * check to make sure it is 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
@@ -884,7 +892,7 @@ TINFO_DOUPDATE(NCURSES_SP_DCL0)
                    bool end_onscreen = FALSE;
                    int m, n = j;
 
-                   /* find end of span, if it's onscreen */
+                   /* find end of span, if it is onscreen */
                    for (m = i; m < screen_lines(SP_PARM); m++) {
                        for (; n < screen_columns(SP_PARM); n++) {
                            attr_t testattr =
@@ -997,7 +1005,7 @@ TINFO_DOUPDATE(NCURSES_SP_DCL0)
        if (check_pending(NCURSES_SP_ARG))
            goto cleanup;
 
-       nonempty = min(screen_lines(SP_PARM), NewScreen(SP_PARM)->_maxy + 1);
+       nonempty = Min(screen_lines(SP_PARM), NewScreen(SP_PARM)->_maxy + 1);
 
        if (SP_PARM->_scrolling) {
            NCURSES_SP_NAME(_nc_scroll_optimize) (NCURSES_SP_ARG);
@@ -1127,7 +1135,7 @@ ClrUpdate(NCURSES_SP_DCL0)
     if (0 != SP_PARM) {
        int i;
        NCURSES_CH_T blank = ClrBlank(NCURSES_SP_ARGx StdScreen(SP_PARM));
-       int nonempty = min(screen_lines(SP_PARM),
+       int nonempty = Min(screen_lines(SP_PARM),
                           NewScreen(SP_PARM)->_maxy + 1);
 
        ClearScreen(NCURSES_SP_ARGx blank);
@@ -1226,7 +1234,7 @@ static int
 ClrBottom(NCURSES_SP_DCLx int total)
 {
     int top = total;
-    int last = min(screen_columns(SP_PARM), NewScreen(SP_PARM)->_maxx + 1);
+    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];
 
     if (clr_eos && can_clear_with(NCURSES_SP_ARGx CHREF(blank))) {
@@ -1286,7 +1294,7 @@ ClrBottom(NCURSES_SP_DCLx int total)
 **             nLastChar = position of last different character in new line
 **
 **             move to firstChar
-**             overwrite chars up to min(oLastChar, nLastChar)
+**             overwrite chars up to Min(oLastChar, nLastChar)
 **             if oLastChar < nLastChar
 **                     insert newLine[oLastChar+1..nLastChar]
 **             else
@@ -1324,8 +1332,8 @@ TransformLine(NCURSES_SP_DCLx int const lineno)
                newPair = GetPair(newLine[n]);
                if (oldPair != newPair
                    && unColor(oldLine[n]) == unColor(newLine[n])) {
-                   if (oldPair < SP_PARM->_pair_limit
-                       && newPair < SP_PARM->_pair_limit
+                   if (oldPair < SP_PARM->_pair_alloc
+                       && newPair < SP_PARM->_pair_alloc
                        && (isSamePair(SP_PARM->_color_pairs[oldPair],
                                       SP_PARM->_color_pairs[newPair]))) {
                        SetPair(oldLine[n], GetPair(newLine[n]));
@@ -1524,7 +1532,7 @@ TransformLine(NCURSES_SP_DCLx int const lineno)
                }
                ClrToEOL(NCURSES_SP_ARGx blank, FALSE);
            } else {
-               n = max(nLastChar, oLastChar);
+               n = Max(nLastChar, oLastChar);
                PutRange(NCURSES_SP_ARGx
                         oldLine,
                         newLine,
@@ -1549,7 +1557,7 @@ TransformLine(NCURSES_SP_DCLx int const lineno)
                    break;
            }
 
-           n = min(oLastChar, nLastChar);
+           n = Min(oLastChar, nLastChar);
            if (n >= firstChar) {
                GoTo(NCURSES_SP_ARGx lineno, firstChar);
                PutRange(NCURSES_SP_ARGx
@@ -1561,7 +1569,7 @@ TransformLine(NCURSES_SP_DCLx int const lineno)
            }
 
            if (oLastChar < nLastChar) {
-               int m = max(nLastNonblank, oLastNonblank);
+               int m = Max(nLastNonblank, oLastNonblank);
 #if USE_WIDEC_SUPPORT
                if (n) {
                    while (isWidecExt(newLine[n + 1]) && n) {
@@ -1716,7 +1724,7 @@ 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) {
@@ -1769,7 +1777,7 @@ 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 {
@@ -1838,7 +1846,7 @@ 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) {
@@ -1846,7 +1854,7 @@ 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) {
@@ -1903,7 +1911,7 @@ 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) {
@@ -1911,7 +1919,7 @@ 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) {
@@ -1959,7 +1967,7 @@ 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) */
@@ -1975,7 +1983,7 @@ 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) */
@@ -2040,7 +2048,7 @@ 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 {
@@ -2050,7 +2058,7 @@ 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;
        }
 
@@ -2086,7 +2094,7 @@ 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 {
@@ -2097,7 +2105,7 @@ 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;
        }