/****************************************************************************
- * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc. *
+ * 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 *
* copy of this software and associated documentation files (the *
#include <ctype.h>
-MODULE_ID("$Id: tty_update.c,v 1.293 2017/07/29 13:09:05 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
static void ClearScreen(SCREEN *, NCURSES_CH_T blank);
static void ClrUpdate(SCREEN *);
static void DelChar(SCREEN *, int count);
-static void InsStr(SCREEN *, NCURSES_CH_T * line, int count);
+static void InsStr(SCREEN *, NCURSES_CH_T *line, int count);
static void TransformLine(SCREEN *, int const lineno);
#else
static int ClrBottom(int total);
static void ClearScreen(NCURSES_CH_T blank);
static void ClrUpdate(void);
static void DelChar(int count);
-static void InsStr(NCURSES_CH_T * line, int count);
+static void InsStr(NCURSES_CH_T *line, int count);
static void TransformLine(int const lineno);
#endif
****************************************************************************/
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];
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);
}
#if !NCURSES_WCWIDTH_GRAPHICS
-static bool
-is_wacs_value(unsigned ch)
-{
- bool result;
- switch (ch) {
- case 0x00a3: /* FALLTHRU - ncurses pound-sterling symbol */
- case 0x00b0: /* FALLTHRU - VT100 degree symbol */
- case 0x00b1: /* FALLTHRU - VT100 plus/minus */
- case 0x00b7: /* FALLTHRU - VT100 bullet */
- case 0x03c0: /* FALLTHRU - ncurses greek pi */
- case 0x2190: /* FALLTHRU - Teletype arrow pointing left */
- case 0x2191: /* FALLTHRU - Teletype arrow pointing up */
- case 0x2192: /* FALLTHRU - Teletype arrow pointing right */
- case 0x2193: /* FALLTHRU - Teletype arrow pointing down */
- case 0x2260: /* FALLTHRU - ncurses not-equal */
- case 0x2264: /* FALLTHRU - ncurses less-than-or-equal-to */
- case 0x2265: /* FALLTHRU - ncurses greater-than-or-equal-to */
- case 0x23ba: /* FALLTHRU - VT100 scan line 1 */
- case 0x23bb: /* FALLTHRU - ncurses scan line 3 */
- case 0x23bc: /* FALLTHRU - ncurses scan line 7 */
- case 0x23bd: /* FALLTHRU - VT100 scan line 9 */
- case 0x2500: /* FALLTHRU - VT100 horizontal line */
- case 0x2501: /* FALLTHRU - thick horizontal line */
- case 0x2502: /* FALLTHRU - VT100 vertical line */
- case 0x2503: /* FALLTHRU - thick vertical line */
- case 0x250c: /* FALLTHRU - VT100 upper left corner */
- case 0x250f: /* FALLTHRU - thick upper left corner */
- case 0x2510: /* FALLTHRU - VT100 upper right corner */
- case 0x2513: /* FALLTHRU - thick upper right corner */
- case 0x2514: /* FALLTHRU - VT100 lower left corner */
- case 0x2517: /* FALLTHRU - thick lower left corner */
- case 0x2518: /* FALLTHRU - VT100 lower right corner */
- case 0x251b: /* FALLTHRU - thick lower right corner */
- case 0x251c: /* FALLTHRU - VT100 tee pointing left */
- case 0x2523: /* FALLTHRU - thick tee pointing left */
- case 0x2524: /* FALLTHRU - VT100 tee pointing right */
- case 0x252b: /* FALLTHRU - thick tee pointing right */
- case 0x252c: /* FALLTHRU - VT100 tee pointing down */
- case 0x2533: /* FALLTHRU - thick tee pointing down */
- case 0x2534: /* FALLTHRU - VT100 tee pointing up */
- case 0x253b: /* FALLTHRU - thick tee pointing up */
- case 0x253c: /* FALLTHRU - VT100 large plus or crossover */
- case 0x254b: /* FALLTHRU - thick large plus or crossover */
- case 0x2550: /* FALLTHRU - double horizontal line */
- case 0x2551: /* FALLTHRU - double vertical line */
- case 0x2554: /* FALLTHRU - double upper left corner */
- case 0x2557: /* FALLTHRU - double upper right corner */
- case 0x255a: /* FALLTHRU - double lower left corner */
- case 0x255d: /* FALLTHRU - double lower right corner */
- case 0x2560: /* FALLTHRU - double tee pointing right */
- case 0x2563: /* FALLTHRU - double tee pointing left */
- case 0x2566: /* FALLTHRU - double tee pointing down */
- case 0x2569: /* FALLTHRU - double tee pointing up */
- case 0x256c: /* FALLTHRU - double large plus or crossover */
- case 0x2592: /* FALLTHRU - VT100 checker board (stipple) */
- case 0x25ae: /* FALLTHRU - Teletype solid square block */
- case 0x25c6: /* FALLTHRU - VT100 diamond */
- case 0x2603: /* FALLTHRU - Teletype lantern symbol */
- result = TRUE;
- break;
- default:
- result = FALSE;
- break;
- }
- return result;
-}
-#endif
+#define is_wacs_value(ch) (_nc_wacs_width(ch) == 1 && wcwidth(ch) > 1)
+#endif /* !NCURSES_WCWIDTH_GRAPHICS */
static NCURSES_INLINE void
PutAttrChar(NCURSES_SP_DCLx CARG_CH_T ch)
* 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) {
+ if ((chlen = _nc_wacs_width(CharOf(CHDEREF(ch)))) <= 0) {
static const NCURSES_CH_T blank = NewChar(BLANK_TEXT);
/*
* 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)
|| is_wacs_value(CharOfD(ch))
#endif
)) {
+ int c8;
my_ch = CHDEREF(ch); /* work around const param */
+ c8 = CharOf(my_ch);
#if USE_WIDEC_SUPPORT
/*
* This is crude & ugly, but works most of the time. It checks if the
chlen = 1;
}
#endif /* !NCURSES_WCWIDTH_GRAPHICS */
- }
+ } else
#endif
+ if (!SP_PARM->_screen_acs_map[c8]) {
+ /*
+ * If we found no mapping for a given alternate-character set item
+ * in the terminal description, attempt to use the ASCII fallback
+ * code which is populated in the _acs_map[] array. If that did
+ * not correspond to a line-drawing, etc., graphics character, the
+ * array entry would be empty.
+ */
+ chtype temp = UChar(SP_PARM->_acs_map[c8]);
+ if (temp) {
+ RemAttr(attr, A_ALTCHARSET);
+ SetChar(my_ch, temp, AttrOf(attr));
+ }
+ }
+
/*
* If we (still) have alternate character set, it is the normal 8bit
* flavor. The _screen_acs_map[] array tells if the character was
/* 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,
* 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;
TR(TRACE_CHARPUT, ("turning off (%#lx) %s before wrapping",
(unsigned long) AttrOf(SCREEN_ATTRS(SP_PARM)),
_traceattr(AttrOf(SCREEN_ATTRS(SP_PARM)))));
- (void) VIDATTR(SP_PARM, A_NORMAL, 0);
+ VIDPUTS(SP_PARM, A_NORMAL, 0);
}
} else {
SP_PARM->_curscol--;
* This code is optimized using ech and rep.
*/
static int
-EmitRange(NCURSES_SP_DCLx const NCURSES_CH_T * ntext, int num)
+EmitRange(NCURSES_SP_DCLx const NCURSES_CH_T *ntext, int num)
{
int i;
&& 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,
return 1; /* cursor stays in the middle */
}
} else if (repeat_char != 0 &&
+#if BSD_TPUTS
+ !isdigit(UChar(CharOf(ntext0))) &&
+#endif
#if USE_WIDEC_SUPPORT
- (CharOf(ntext0) < ACS_LEN) &&
+ (!SP_PARM->_screen_unicode &&
+ (CharOf(ntext0) < ((AttrOf(ntext0) & A_ALTCHARSET)
+ ? ACS_LEN
+ : 256))) &&
#endif
runcount > SP_PARM->_rep_cost) {
NCURSES_CH_T temp;
UpdateAttrs(SP_PARM, ntext0);
temp = ntext0;
if ((AttrOf(temp) & A_ALTCHARSET) &&
- SP_PARM->_acs_map != 0) {
+ SP_PARM->_acs_map != 0 &&
+ (SP_PARM->_acs_map[CharOf(temp)] & A_CHARTEXT) != 0) {
SetChar(temp,
- SP_PARM->_acs_map[CharOf(temp)],
- AttrOf(temp) | A_ALTCHARSET);
+ (SP_PARM->_acs_map[CharOf(ntext0)] & A_CHARTEXT),
+ 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;
*/
static int
PutRange(NCURSES_SP_DCLx
- const NCURSES_CH_T * otext,
- const NCURSES_CH_T * ntext,
+ const NCURSES_CH_T *otext,
+ const NCURSES_CH_T *ntext,
int row,
int first, int last)
{
* 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
SP_PARM->_fifohold--;
#if USE_SIZECHANGE
- if ((SP_PARM->_endwin == ewRunning)
+ if ((SP_PARM->_endwin == ewSuspend)
|| _nc_handle_sigwinch(SP_PARM)) {
/*
* This is a transparent extension: XSI does not address it,
/*
* 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
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 =
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);
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);
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))) {
** 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
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]));
}
ClrToEOL(NCURSES_SP_ARGx blank, FALSE);
} else {
- n = max(nLastChar, oLastChar);
+ n = Max(nLastChar, oLastChar);
PutRange(NCURSES_SP_ARGx
oldLine,
newLine,
break;
}
- n = min(oLastChar, nLastChar);
+ n = Min(oLastChar, nLastChar);
if (n >= firstChar) {
GoTo(NCURSES_SP_ARGx lineno, firstChar);
PutRange(NCURSES_SP_ARGx
}
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) {
*/
static void
-InsStr(NCURSES_SP_DCLx NCURSES_CH_T * line, int count)
+InsStr(NCURSES_SP_DCLx NCURSES_CH_T *line, int count)
{
TR(TRACE_UPDATE, ("InsStr(%p, %p,%d) called",
(void *) SP_PARM,
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) {
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 {
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) {
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) {
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) {
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) {
} 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) */
} 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) */
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 {
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;
}
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 {
-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;
}
NCURSES_SP_NAME(_nc_reset_colors) (NCURSES_SP_ARG);
/* restore user-defined colors, if any */
- if (SP_PARM->_color_defs < 0) {
+ if (SP_PARM->_color_defs < 0 && !SP_PARM->_direct_color.value) {
int n;
SP_PARM->_color_defs = -(SP_PARM->_color_defs);
for (n = 0; n < SP_PARM->_color_defs; ++n) {
projects / ncurses.git / blobdiff