/****************************************************************************
- * Copyright (c) 1998 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2018,2019 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 *
/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ * 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()
+ * The routine doupdate() and its dependents.
+ * All physical output is concentrated here (except _nc_outch()
* in lib_tputs.c).
*
*-----------------------------------------------------------------*/
+#define NEW_PAIR_INTERNAL 1
+
+#include <curses.priv.h>
+
+#ifndef CUR
+#define CUR SP_TERMTYPE
+#endif
+
+#if defined __HAIKU__ && defined __BEOS__
+#undef __BEOS__
+#endif
+
#ifdef __BEOS__
+#undef false
+#undef true
#include <OS.h>
#endif
-#include <curses.priv.h>
-
#if defined(TRACE) && HAVE_SYS_TIMES_H && HAVE_TIMES
#define USE_TRACE_TIMES 1
#else
#endif
#if USE_FUNC_POLL
-#include <stropts.h>
-#include <poll.h>
#elif HAVE_SELECT
#if HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#endif
-#include <term.h>
+#include <ctype.h>
-MODULE_ID("$Id: tty_update.c,v 1.117 1999/10/22 23:28:46 tom Exp $")
+MODULE_ID("$Id: tty_update.c,v 1.304 2019/06/23 16:22:17 tom Exp $")
/*
* This define controls the line-breakout optimization. Every once in a
*/
#define CHECK_INTERVAL 5
+#define FILL_BCE(sp) (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
*/
/* #define POSITION_DEBUG */
-static inline chtype ClrBlank ( WINDOW *win );
+static NCURSES_INLINE NCURSES_CH_T ClrBlank(NCURSES_SP_DCLx WINDOW *win);
+
+#if NCURSES_SP_FUNCS
+static int ClrBottom(SCREEN *, int total);
+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 TransformLine(SCREEN *, int const lineno);
+#else
static int ClrBottom(int total);
-static void ClearScreen( chtype blank );
-static void ClrUpdate( void );
-static void DelChar( int count );
-static void InsStr( chtype *line, int count );
-static void TransformLine( int const lineno );
+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 TransformLine(int const lineno);
+#endif
#ifdef POSITION_DEBUG
/****************************************************************************
*
****************************************************************************/
-static void position_check(int expected_y, int expected_x, char *legend)
+static void
+position_check(NCURSES_SP_DCLx int expected_y, int expected_x, char *legend)
/* check to see if the real cursor position matches the virtual */
{
- char buf[20];
+ char buf[20];
+ char *s;
int y, x;
if (!_nc_tracing || (expected_y < 0 && expected_x < 0))
return;
+ NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
memset(buf, '\0', sizeof(buf));
- putp("\033[6n"); /* only works on ANSI-compatibles */
- _nc_flush();
- (void) read(0, buf, sizeof(buf)-1);
+ NCURSES_PUTP2_FLUSH("cpr", "\033[6n"); /* only works on ANSI-compatibles */
+ *(s = buf) = 0;
+ do {
+ int ask = sizeof(buf) - 1 - (s - buf);
+ int got = read(0, s, ask);
+ if (got == 0)
+ break;
+ s += got;
+ } while (strchr(buf, 'R') == 0);
_tracef("probe returned %s", _nc_visbuf(buf));
/* try to interpret as a position report */
if (expected_y < 0)
expected_y = y - 1;
if (y - 1 != expected_y || x - 1 != expected_x) {
- beep();
+ NCURSES_SP_NAME(beep) (NCURSES_SP_ARG);
+ NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
+ tparm("\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);
+ y - 1, x - 1, expected_y, expected_x, legend);
} else {
_tracef("position matches OK in %s", legend);
}
}
}
#else
-#define position_check(expected_y, expected_x, legend) /* nothing */
+#define position_check(expected_y, expected_x, legend) /* nothing */
#endif /* POSITION_DEBUG */
/****************************************************************************
*
****************************************************************************/
-static inline void GoTo(int const row, int const col)
+static NCURSES_INLINE void
+GoTo(NCURSES_SP_DCLx int const row, int const col)
{
- chtype oldattr = SP->_current_attr;
+ TR(TRACE_MOVE, ("GoTo(%p, %d, %d) from (%d, %d)",
+ (void *) SP_PARM, row, col, SP_PARM->_cursrow, SP_PARM->_curscol));
+
+ position_check(NCURSES_SP_ARGx
+ SP_PARM->_cursrow,
+ SP_PARM->_curscol, "GoTo");
+
+ TINFO_MVCUR(NCURSES_SP_ARGx
+ SP_PARM->_cursrow,
+ SP_PARM->_curscol,
+ row, col);
+ position_check(NCURSES_SP_ARGx
+ SP_PARM->_cursrow,
+ SP_PARM->_curscol, "GoTo2");
+}
- TR(TRACE_MOVE, ("GoTo(%d, %d) from (%d, %d)",
- row, col, SP->_cursrow, SP->_curscol));
+#if !NCURSES_WCWIDTH_GRAPHICS
+#define is_wacs_value(ch) (_nc_wacs_width(ch) == 1 && wcwidth(ch) > 1)
+#endif /* !NCURSES_WCWIDTH_GRAPHICS */
- position_check(SP->_cursrow, SP->_curscol, "GoTo");
+static NCURSES_INLINE void
+PutAttrChar(NCURSES_SP_DCLx CARG_CH_T ch)
+{
+ int chlen = 1;
+ NCURSES_CH_T my_ch;
+#if USE_WIDEC_SUPPORT
+ PUTC_DATA;
+#endif
+ NCURSES_CH_T tilde;
+ NCURSES_CH_T attr = CHDEREF(ch);
+
+ TR(TRACE_CHARPUT, ("PutAttrChar(%s) at (%d, %d)",
+ _tracech_t(ch),
+ SP_PARM->_cursrow, SP_PARM->_curscol));
+#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 = _nc_wacs_width(CharOf(CHDEREF(ch)))) <= 0) {
+ static const NCURSES_CH_T blank = NewChar(BLANK_TEXT);
/*
- * 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 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 ((oldattr & A_ALTCHARSET)
- || (oldattr && !move_standout_mode))
- {
- TR(TRACE_CHARPUT, ("turning off (%#lx) %s before move",
- oldattr, _traceattr(oldattr)));
- vidattr(A_NORMAL);
+ if (is8bits(CharOf(CHDEREF(ch)))
+ && (isprint(CharOf(CHDEREF(ch)))
+ || (SP_PARM->_legacy_coding > 0 && CharOf(CHDEREF(ch)) >= 160)
+ || (SP_PARM->_legacy_coding > 1 && CharOf(CHDEREF(ch)) >= 128)
+ || (AttrOf(attr) & A_ALTCHARSET
+ && ((CharOfD(ch) < ACS_LEN
+ && SP_PARM->_acs_map != 0
+ && SP_PARM->_acs_map[CharOfD(ch)] != 0)
+ || (CharOfD(ch) >= 128))))) {
+ ;
+ } else {
+ ch = CHREF(blank);
+ TR(TRACE_CHARPUT, ("forced to blank"));
}
+ chlen = 1;
+ }
+#endif
- 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)
-{
- if (tilde_glitch && (TextOf(ch) == '~'))
- ch = ('`' | AttrOf(ch));
-
- TR(TRACE_CHARPUT, ("PutAttrChar(%s) at (%d, %d)",
- _tracechtype(ch),
- SP->_cursrow, SP->_curscol));
- UpdateAttrs(ch);
- if (SP->_cleanup) {
- _nc_outch((int)TextOf(ch));
- } else {
- putc((int)TextOf(ch), SP->_ofp); /* macro's fastest... */
-#ifdef TRACE
- _nc_outchars++;
-#endif /* TRACE */
+ if ((AttrOf(attr) & A_ALTCHARSET)
+ && SP_PARM->_acs_map != 0
+ && ((CharOfD(ch) < ACS_LEN)
+#if !NCURSES_WCWIDTH_GRAPHICS
+ || 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
+ * 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_PARM->_screen_unicode
+ && _nc_wacs[CharOf(my_ch)].chars[0]) {
+ if (SP_PARM->_screen_acs_map[CharOf(my_ch)]) {
+ if (SP_PARM->_screen_acs_fix) {
+ RemAttr(attr, A_ALTCHARSET);
+ my_ch = _nc_wacs[CharOf(my_ch)];
+ }
+ } else {
+ RemAttr(attr, A_ALTCHARSET);
+ my_ch = _nc_wacs[CharOf(my_ch)];
+ }
+#if !NCURSES_WCWIDTH_GRAPHICS
+ if (!(AttrOf(attr) & A_ALTCHARSET)) {
+ 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));
+ }
}
- SP->_curscol++;
- if (char_padding) {
- TPUTS_TRACE("char_padding");
- putp(char_padding);
+
+ /*
+ * 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_PARM->_acs_map[j]);
+
+ if (temp != 0) {
+ SetChar(my_ch, temp, AttrOf(attr));
+ } else {
+ my_ch = CHDEREF(ch);
+ RemAttr(attr, A_ALTCHARSET);
+ }
}
+ ch = CHREF(my_ch);
+ }
+#if USE_WIDEC_SUPPORT && !NCURSES_WCWIDTH_GRAPHICS
+ else if (chlen > 1 && is_wacs_value(CharOfD(ch))) {
+ chlen = 1;
+ }
+#endif
+ if (tilde_glitch && (CharOfD(ch) == L('~'))) {
+ SetChar(tilde, L('`'), AttrOf(attr));
+ ch = CHREF(tilde);
+ }
+
+ UpdateAttrs(SP_PARM, attr);
+ PUTC(CHDEREF(ch));
+#if !USE_WIDEC_SUPPORT
+ COUNT_OUTCHARS(1);
+#endif
+ SP_PARM->_curscol += chlen;
+ if (char_padding) {
+ NCURSES_PUTP2("char_padding", char_padding);
+ }
}
-static bool check_pending(void)
+static bool
+check_pending(NCURSES_SP_DCL0)
/* check for pending input */
{
- bool have_pending = FALSE;
+ bool have_pending = FALSE;
- /*
- * Only carry out this check when the flag is zero, otherwise we'll
- * have the refreshing slow down drastically (or stop) if there's an
- * unread character available.
- */
- if(SP->_fifohold != 0)
- return FALSE;
+ /*
+ * Only carry out this check when the flag is zero, otherwise we'll
+ * have the refreshing slow down drastically (or stop) if there's an
+ * unread character available.
+ */
+ if (SP_PARM->_fifohold != 0)
+ return FALSE;
- if (SP->_checkfd >= 0) {
+ if (SP_PARM->_checkfd >= 0) {
#if USE_FUNC_POLL
- struct pollfd fds[1];
- fds[0].fd = SP->_checkfd;
- fds[0].events = POLLIN;
- if (poll(fds, 1, 0) > 0)
- {
- have_pending = TRUE;
- }
+ struct pollfd fds[1];
+ fds[0].fd = SP_PARM->_checkfd;
+ fds[0].events = POLLIN;
+ if (poll(fds, (size_t) 1, 0) > 0) {
+ have_pending = TRUE;
+ }
#elif defined(__BEOS__)
- /*
- * BeOS's select() is declared in socket.h, so the configure script does
- * not see it. That's just as well, since that function works only for
- * sockets. This (using snooze and ioctl) was distilled from Be's patch
- * for ncurses which uses a separate thread to simulate select().
- *
- * FIXME: the return values from the ioctl aren't very clear if we get
- * interrupted.
- */
- int n = 0;
- int howmany = ioctl(0, 'ichr', &n);
- if (howmany >= 0 && n > 0) {
- have_pending = TRUE;
- }
+ /*
+ * BeOS's select() is declared in socket.h, so the configure script does
+ * not see it. That's just as well, since that function works only for
+ * sockets. This (using snooze and ioctl) was distilled from Be's patch
+ * for ncurses which uses a separate thread to simulate select().
+ *
+ * FIXME: the return values from the ioctl aren't very clear if we get
+ * interrupted.
+ */
+ int n = 0;
+ int howmany = ioctl(0, 'ichr', &n);
+ if (howmany >= 0 && n > 0) {
+ have_pending = TRUE;
+ }
#elif HAVE_SELECT
- fd_set fdset;
- struct timeval ktimeout;
+ fd_set fdset;
+ struct timeval ktimeout;
- ktimeout.tv_sec =
- ktimeout.tv_usec = 0;
+ ktimeout.tv_sec =
+ ktimeout.tv_usec = 0;
- FD_ZERO(&fdset);
- FD_SET(SP->_checkfd, &fdset);
- if (select(SP->_checkfd+1, &fdset, NULL, NULL, &ktimeout) != 0)
- {
- have_pending = TRUE;
- }
-#endif
+ FD_ZERO(&fdset);
+ FD_SET(SP_PARM->_checkfd, &fdset);
+ if (select(SP_PARM->_checkfd + 1, &fdset, NULL, NULL, &ktimeout) != 0) {
+ have_pending = TRUE;
}
- if (have_pending) {
- SP->_fifohold = 5;
- _nc_flush();
- }
- 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 */
+ }
+ if (have_pending) {
+ SP_PARM->_fifohold = 5;
+ NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
+ }
+ return FALSE;
+}
/* put char at lower right corner */
-static void PutCharLR(chtype const ch)
+static void
+PutCharLR(NCURSES_SP_DCLx const ARG_CH_T ch)
{
- if (!auto_right_margin)
- {
+ if (!auto_right_margin) {
/* we can put the char directly */
- PutAttrChar(ch);
- }
- else if (enter_am_mode && exit_am_mode)
- {
+ PutAttrChar(NCURSES_SP_ARGx ch);
+ } else if (enter_am_mode && exit_am_mode) {
/* we can suppress automargin */
- TPUTS_TRACE("exit_am_mode");
- putp(exit_am_mode);
-
- PutAttrChar(ch);
- SP->_curscol--;
- position_check(SP->_cursrow, SP->_curscol, "exit_am_mode");
-
- TPUTS_TRACE("enter_am_mode");
- putp(enter_am_mode);
- }
- else if ((enter_insert_mode && exit_insert_mode)
- || insert_character || parm_ich)
- {
- GoTo(screen_lines-1,screen_columns-2);
- callPutChar(ch);
- GoTo(screen_lines-1,screen_columns-2);
- InsStr(newscr->_line[screen_lines-1].text+screen_columns-2,1);
+ NCURSES_PUTP2("exit_am_mode", exit_am_mode);
+
+ PutAttrChar(NCURSES_SP_ARGx ch);
+ SP_PARM->_curscol--;
+ position_check(NCURSES_SP_ARGx
+ SP_PARM->_cursrow,
+ SP_PARM->_curscol,
+ "exit_am_mode");
+
+ NCURSES_PUTP2("enter_am_mode", enter_am_mode);
+ } else if ((enter_insert_mode && exit_insert_mode)
+ || insert_character || parm_ich) {
+ GoTo(NCURSES_SP_ARGx
+ screen_lines(SP_PARM) - 1,
+ screen_columns(SP_PARM) - 2);
+ PutAttrChar(NCURSES_SP_ARGx ch);
+ GoTo(NCURSES_SP_ARGx
+ screen_lines(SP_PARM) - 1,
+ screen_columns(SP_PARM) - 2);
+ InsStr(NCURSES_SP_ARGx
+ NewScreen(SP_PARM)->_line[screen_lines(SP_PARM) - 1].text +
+ screen_columns(SP_PARM) - 2, 1);
}
}
-static void wrap_cursor(void)
+/*
+ * Wrap the cursor position, i.e., advance to the beginning of the next line.
+ */
+static void
+wrap_cursor(NCURSES_SP_DCL0)
{
- if (eat_newline_glitch)
- {
+ 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++;
- }
- else
- {
- SP->_curscol--;
+ SP_PARM->_curscol = -1;
+ SP_PARM->_cursrow = -1;
+ } else if (auto_right_margin) {
+ SP_PARM->_curscol = 0;
+ SP_PARM->_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_PARM))) {
+ TR(TRACE_CHARPUT, ("turning off (%#lx) %s before wrapping",
+ (unsigned long) AttrOf(SCREEN_ATTRS(SP_PARM)),
+ _traceattr(AttrOf(SCREEN_ATTRS(SP_PARM)))));
+ VIDPUTS(SP_PARM, A_NORMAL, 0);
+ }
+ } else {
+ SP_PARM->_curscol--;
}
- position_check(SP->_cursrow, SP->_curscol, "wrap_cursor");
+ position_check(NCURSES_SP_ARGx
+ SP_PARM->_cursrow,
+ SP_PARM->_curscol,
+ "wrap_cursor");
}
-static inline void PutChar(chtype const ch)
+static NCURSES_INLINE void
+PutChar(NCURSES_SP_DCLx const ARG_CH_T ch)
/* insert character, handling automargin stuff */
{
- if (SP->_cursrow == screen_lines-1 && SP->_curscol == screen_columns-1)
- PutCharLR(ch);
- else
- PutAttrChar(ch);
+ if (SP_PARM->_cursrow == screen_lines(SP_PARM) - 1 &&
+ SP_PARM->_curscol == screen_columns(SP_PARM) - 1) {
+ PutCharLR(NCURSES_SP_ARGx ch);
+ } else {
+ PutAttrChar(NCURSES_SP_ARGx ch);
+ }
- if (SP->_curscol >= screen_columns)
- wrap_cursor();
+ if (SP_PARM->_curscol >= screen_columns(SP_PARM))
+ wrap_cursor(NCURSES_SP_ARG);
+
+ position_check(NCURSES_SP_ARGx
+ SP_PARM->_cursrow,
+ SP_PARM->_curscol, "PutChar");
+}
- position_check(SP->_cursrow, SP->_curscol, "PutChar");
+/*
+ * Check whether the given character can be output by clearing commands. This
+ * includes test for being a space and not including any 'bad' attributes, such
+ * 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 NCURSES_INLINE bool
+can_clear_with(NCURSES_SP_DCLx ARG_CH_T ch)
+{
+ if (!back_color_erase && SP_PARM->_coloron) {
+#if NCURSES_EXT_FUNCS
+ int pair;
+
+ if (!SP_PARM->_default_color)
+ return FALSE;
+ if (!(isDefaultColor(SP_PARM->_default_fg) &&
+ isDefaultColor(SP_PARM->_default_bg)))
+ return FALSE;
+ if ((pair = GetPair(CHDEREF(ch))) != 0) {
+ NCURSES_COLOR_T fg, bg;
+ if (NCURSES_SP_NAME(pair_content) (NCURSES_SP_ARGx
+ (short) pair,
+ &fg, &bg) == ERR
+ || !(isDefaultColor(fg) && isDefaultColor(bg))) {
+ return FALSE;
+ }
+ }
+#else
+ if (AttrOfD(ch) & A_COLOR)
+ return FALSE;
+#endif
+ }
+ return (ISBLANK(CHDEREF(ch)) &&
+ (AttrOfD(ch) & ~(NONBLANK_ATTR | A_COLOR)) == BLANK_ATTR);
}
/*
*
* This code is optimized using ech and rep.
*/
-static int EmitRange(const chtype *ntext, int num)
+static int
+EmitRange(NCURSES_SP_DCLx const NCURSES_CH_T * ntext, int num)
{
- int i;
-
- if (erase_chars || repeat_char)
- {
- while (num > 0)
- {
- int runcount;
- chtype ntext0;
-
- while (num>1 && ntext[0]!=ntext[1])
- {
- PutChar(ntext[0]);
+ int i;
+
+ TR(TRACE_CHARPUT, ("EmitRange %d:%s", num, _nc_viscbuf(ntext, num)));
+
+ if (erase_chars || repeat_char) {
+ while (num > 0) {
+ int runcount;
+ NCURSES_CH_T ntext0;
+
+ while (num > 1 && !CharEq(ntext[0], ntext[1])) {
+ PutChar(NCURSES_SP_ARGx CHREF(ntext[0]));
ntext++;
num--;
}
ntext0 = ntext[0];
- if (num==1)
- {
- PutChar(ntext0);
+ if (num == 1) {
+ PutChar(NCURSES_SP_ARGx CHREF(ntext0));
return 0;
}
runcount = 2;
- while (runcount < num && ntext[runcount] == ntext0)
+ while (runcount < num && CharEq(ntext[runcount], ntext0))
runcount++;
/*
* The cost expression in the middle isn't exactly right.
- * _cup_cost is an upper bound on the cost for moving to the
+ * _cup_ch_cost is an upper bound on the cost for moving to the
* end of the erased area, but not the cost itself (which we
* can't compute without emitting the move). This may result
* in erase_chars not getting used in some situations for
* which it would be marginally advantageous.
*/
if (erase_chars
- && runcount > SP->_ech_cost + SP->_cup_cost
- && can_clear_with(ntext0))
- {
- UpdateAttrs(ntext0);
- putp(tparm(erase_chars, runcount));
+ && 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));
/*
* If this is the last part of the given interval,
* don't bother moving cursor, since it can be the
* last update on the line.
*/
- if (runcount < num)
- GoTo(SP->_cursrow, SP->_curscol + runcount);
- else
+ if (runcount < num) {
+ GoTo(NCURSES_SP_ARGx
+ SP_PARM->_cursrow,
+ SP_PARM->_curscol + runcount);
+ } else {
return 1; /* cursor stays in the middle */
- }
- else if (repeat_char && runcount > SP->_rep_cost)
- {
- bool wrap_possible = (SP->_curscol + runcount >= screen_columns);
+ }
+ } else if (repeat_char != 0 &&
+#if USE_WIDEC_SUPPORT
+ (!SP_PARM->_screen_unicode &&
+ (CharOf(ntext0) < ((AttrOf(ntext0) & A_ALTCHARSET)
+ ? ACS_LEN
+ : 256))) &&
+#endif
+ runcount > SP_PARM->_rep_cost) {
+ NCURSES_CH_T temp;
+ bool wrap_possible = (SP_PARM->_curscol + runcount >=
+ screen_columns(SP_PARM));
int rep_count = runcount;
if (wrap_possible)
rep_count--;
- UpdateAttrs(ntext0);
- putp(tparm(repeat_char, TextOf(ntext0), rep_count));
- SP->_curscol += rep_count;
+ UpdateAttrs(SP_PARM, ntext0);
+ temp = ntext0;
+ if ((AttrOf(temp) & A_ALTCHARSET) &&
+ SP_PARM->_acs_map != 0 &&
+ (SP_PARM->_acs_map[CharOf(temp)] & A_CHARTEXT) != 0) {
+ SetChar(temp,
+ (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),
+ 1,
+ NCURSES_SP_NAME(_nc_outch));
+ SP_PARM->_curscol += rep_count;
if (wrap_possible)
- PutChar(ntext0);
- }
- else
- {
+ PutChar(NCURSES_SP_ARGx CHREF(ntext0));
+ } else {
for (i = 0; i < runcount; i++)
- PutChar(ntext[i]);
+ PutChar(NCURSES_SP_ARGx CHREF(ntext[i]));
}
ntext += runcount;
num -= runcount;
}
for (i = 0; i < num; i++)
- PutChar(ntext[i]);
+ PutChar(NCURSES_SP_ARGx CHREF(ntext[i]));
return 0;
}
*
* Returns: same as EmitRange
*/
-static int PutRange(
- const chtype *otext,
- const chtype *ntext,
- int row,
- int first, int last)
+static int
+PutRange(NCURSES_SP_DCLx
+ const NCURSES_CH_T * otext,
+ const NCURSES_CH_T * ntext,
+ int row,
+ int first, int last)
{
- int j, run;
- int cost = min(SP->_cup_ch_cost, SP->_hpa_ch_cost);
-
- TR(TRACE_CHARPUT, ("PutRange(%p, %p, %d, %d, %d)",
- otext, ntext, row, first, last));
-
- if (otext != ntext
- && (last-first+1) > cost) {
- for (j = first, run = 0; j <= last; j++) {
- if (otext[j] == ntext[j]) {
- run++;
- } else {
- if (run > cost) {
- int before_run = (j - run);
- EmitRange(ntext+first, before_run-first);
- GoTo(row, first = j);
- }
- run = 0;
- }
+ int rc;
+
+ TR(TRACE_CHARPUT, ("PutRange(%p, %p, %p, %d, %d, %d)",
+ (void *) SP_PARM,
+ (const void *) otext,
+ (const void *) ntext,
+ row, first, last));
+
+ if (otext != ntext
+ && (last - first + 1) > SP_PARM->_inline_cost) {
+ int i, j, same;
+
+ for (j = first, same = 0; j <= last; j++) {
+ if (!same && isWidecExt(otext[j]))
+ continue;
+ if (CharEq(otext[j], ntext[j])) {
+ same++;
+ } else {
+ if (same > SP_PARM->_inline_cost) {
+ EmitRange(NCURSES_SP_ARGx ntext + first, j - same - first);
+ GoTo(NCURSES_SP_ARGx row, first = j);
}
+ same = 0;
+ }
}
- return EmitRange(ntext + first, last-first+1);
-}
-
-#if CC_HAS_INLINE_FUNCS
-static void callPutChar(chtype const ch)
-{
- PutChar(ch);
+ i = EmitRange(NCURSES_SP_ARGx ntext + first, j - same - first);
+ /*
+ * Always return 1 for the next GoTo() after a PutRange() if we found
+ * identical characters at end of interval
+ */
+ rc = (same == 0 ? i : 1);
+ } else {
+ rc = EmitRange(NCURSES_SP_ARGx ntext + first, last - first + 1);
+ }
+ return rc;
}
-#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); \
- }
+ if_USE_SCROLL_HINTS(win->_line[row].oldindex = row)
-int doupdate(void)
+NCURSES_EXPORT(int)
+TINFO_DOUPDATE(NCURSES_SP_DCL0)
{
-int i;
-int nonempty;
+ int i;
+ int nonempty;
#if USE_TRACE_TIMES
-struct tms before, after;
+ struct tms before, after;
#endif /* USE_TRACE_TIMES */
- T((T_CALLED("doupdate()")));
+ T((T_CALLED("_nc_tinfo:doupdate(%p)"), (void *) SP_PARM));
+
+ _nc_lock_global(update);
+
+ if (SP_PARM == 0) {
+ _nc_unlock_global(update);
+ returnCode(ERR);
+ }
+#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
+ || StdScreen(SP_PARM) == 0) {
+ _nc_unlock_global(update);
+ returnCode(ERR);
+ }
#ifdef TRACE
- if (_nc_tracing & TRACE_UPDATE)
- {
- if (curscr->_clear)
- _tracef("curscr is clear");
- else
- _tracedump("curscr", curscr);
- _tracedump("newscr", newscr);
- }
+ if (USE_TRACEF(TRACE_UPDATE)) {
+ if (CurScreen(SP_PARM)->_clear)
+ _tracef("curscr is clear");
+ else
+ _tracedump("curscr", CurScreen(SP_PARM));
+ _tracedump("newscr", NewScreen(SP_PARM));
+ _nc_unlock_global(tracef);
+ }
#endif /* TRACE */
- _nc_signal_handler(FALSE);
+ _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)
- {
- /*
- * This is a transparent extension: XSI does not address it,
- * and applications need not know that ncurses can do it.
- *
- * Check if the terminal size has changed while curses was off
- * (this can happen in an xterm, for example), and resize the
- * ncurses data structures accordingly.
- */
- _nc_update_screensize();
- }
+ if ((SP_PARM->_endwin == ewSuspend)
+ || _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.
+ *
+ * Check if the terminal size has changed while curses was off
+ * (this can happen in an xterm, for example), and resize the
+ * ncurses data structures accordingly.
+ */
+ _nc_update_screensize(SP_PARM);
+ }
#endif
- if (SP->_endwin) {
-
- T(("coming back from shell mode"));
- reset_prog_mode();
+ if (SP_PARM->_endwin == ewSuspend) {
- _nc_mvcur_resume();
- _nc_screen_resume();
- SP->_mouse_resume(SP);
+ T(("coming back from shell mode"));
+ NCURSES_SP_NAME(reset_prog_mode) (NCURSES_SP_ARG);
- SP->_endwin = FALSE;
- }
+ NCURSES_SP_NAME(_nc_mvcur_resume) (NCURSES_SP_ARG);
+ NCURSES_SP_NAME(_nc_screen_resume) (NCURSES_SP_ARG);
+ SP_PARM->_mouse_resume(SP_PARM);
+ SP_PARM->_endwin = ewRunning;
+ }
#if USE_TRACE_TIMES
- /* zero the metering machinery */
- _nc_outchars = 0;
- (void) times(&before);
+ /* zero the metering machinery */
+ 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) {
- int j, k;
- attr_t rattr = A_NORMAL;
-
- 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;
-
- /* is an attribute turned on here? */
- if (turnon == 0) {
- rattr = AttrOf(newscr->_line[i].text[j]);
- continue;
- }
+ if (magic_cookie_glitch > 0) {
+ int j, k;
+ attr_t rattr = A_NORMAL;
+
+ for (i = 0; i < screen_lines(SP_PARM); i++) {
+ for (j = 0; j < screen_columns(SP_PARM); j++) {
+ bool failed = FALSE;
+ NCURSES_CH_T *thisline = NewScreen(SP_PARM)->_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 = thisattr;
+ continue;
+ }
- T(("At (%d, %d): from %s...", i, j, _traceattr(rattr)));
- T(("...to %s",_traceattr(turnon)));
+ TR(TRACE_ATTRS, ("At (%d, %d): from %s...", i, j, _traceattr(rattr)));
+ 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.
- */
-#define SAFE(a) !((a) & (chtype)~NONBLANK_ATTR)
- if (TextOf(newscr->_line[i].text[j])==' ' && SAFE(turnon))
- {
- newscr->_line[i].text[j] &= ~turnon;
- continue;
- }
+ /*
+ * 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(scr,a) (!((a) & (scr)->_xmc_triggers))
+ if (ISBLANK(thisline[j]) && SAFE(SP_PARM, 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])))
- failed = TRUE;
- if (!failed)
- {
- bool end_onscreen = FALSE;
- int m, n = j;
-
- /* 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)
- {
- end_onscreen = TRUE;
- T(("Range attributed with %s ends at (%d, %d)",
- _traceattr(turnon),m,n));
- goto foundit;
- }
+ /* check that there's enough room at start of span */
+ for (k = 1; k <= magic_cookie_glitch; k++) {
+ if (j - k < 0
+ || !ISBLANK(thisline[j - k])
+ || !SAFE(SP_PARM, 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(SP_PARM, AttrOf(thisline[j - k]))
+ ? ""
+ : ":unsafe")));
+ break;
+ }
+ }
+ if (!failed) {
+ bool end_onscreen = FALSE;
+ int m, n = j;
+
+ /* 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]);
+ if ((testattr & SP_PARM->_xmc_triggers) == rattr) {
+ end_onscreen = TRUE;
+ TR(TRACE_ATTRS,
+ ("Range attributed with %s ends at (%d, %d)",
+ _traceattr(turnon), m, n));
+ goto foundit;
}
- n = 0;
- }
- T(("Range attributed with %s ends offscreen",
- _traceattr(turnon)));
- foundit:;
-
- if (end_onscreen)
- {
- chtype *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.
- */
- while (n >= 0
- && TextOf(lastline[n]) == ' '
- && SAFE(AttrOf(lastline[n])))
- lastline[n--] &= ~turnon;
-
- /* check that there's enough room at end of span */
- for (k = 1; k <= magic_cookie_glitch; k++)
- if (n + k >= screen_columns
- || TextOf(lastline[n + k]) != ' '
- || !SAFE(AttrOf(lastline[n+k])))
- failed = TRUE;
}
+ n = 0;
}
+ TR(TRACE_ATTRS,
+ ("Range attributed with %s ends offscreen",
+ _traceattr(turnon)));
+ foundit:;
+
+ if (end_onscreen) {
+ NCURSES_CH_T *lastline =
+ NewScreen(SP_PARM)->_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.
+ */
+ while (n >= 0
+ && ISBLANK(lastline[n])
+ && SAFE(SP_PARM, AttrOf(lastline[n]))) {
+ RemAttr(lastline[n--], turnon);
+ }
- if (failed)
- {
- int p, q = j;
-
- T(("Clearing %s beginning at (%d, %d)",
- _traceattr(turnon), i, j));
-
- /* 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)
- goto foundend;
- newscr->_line[p].text[q] &= ~turnon;
+ /* check that there's enough room at end of span */
+ for (k = 1; k <= magic_cookie_glitch; k++) {
+ if (n + k >= screen_columns(SP_PARM)
+ || !ISBLANK(lastline[n + k])
+ || !SAFE(SP_PARM, 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(SP_PARM, AttrOf(lastline[n + k]))
+ ? ""
+ : ":unsafe")));
+ break;
}
- q = 0;
}
- foundend:;
}
- else
- {
- T(("Cookie space for %s found before (%d, %d)",
- _traceattr(turnon), i, j));
+ }
- /*
- * 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;
+ if (failed) {
+ int p, q = j;
+
+ TR(TRACE_ATTRS,
+ ("Clearing %s beginning at (%d, %d)",
+ _traceattr(turnon), i, j));
+
+ /* 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(newscr->_line[p].text[q]);
+ if ((testattr & SP_PARM->_xmc_triggers) == rattr)
+ goto foundend;
+ RemAttr(NewScreen(SP_PARM)->_line[p].text[q], turnon);
+ }
+ q = 0;
}
+ foundend:;
+ } else {
+ TR(TRACE_ATTRS,
+ ("Cookie space for %s found before (%d, %d)",
+ _traceattr(turnon), i, j));
- rattr = AttrOf(newscr->_line[i].text[j]);
+ /*
+ * 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(thisline[j - k], turnon);
}
-#ifdef TRACE
- /* show altered highlights after magic-cookie check */
- if (_nc_tracing & TRACE_UPDATE)
- {
- _tracef("After magic-cookie check...");
- _tracedump("newscr", newscr);
+ rattr = thisattr;
}
-#endif /* TRACE */
}
-#endif /* USE_XMC_SUPPORT */
-
- nonempty = 0;
- if (curscr->_clear || newscr->_clear) { /* force refresh ? */
- T(("clearing and updating from scratch"));
- ClrUpdate();
- curscr->_clear = FALSE; /* reset flag */
- newscr->_clear = FALSE; /* reset flag */
- } else {
- int changedlines = CHECK_INTERVAL;
- if(check_pending())
- goto cleanup;
+#ifdef TRACE
+ /* show altered highlights after magic-cookie check */
+ if (USE_TRACEF(TRACE_UPDATE)) {
+ _tracef("After magic-cookie check...");
+ _tracedump("newscr", NewScreen(SP_PARM));
+ _nc_unlock_global(tracef);
+ }
+#endif /* TRACE */
+ }
+#endif /* USE_XMC_SUPPORT */
- nonempty = min(screen_lines, newscr->_maxy+1);
+ nonempty = 0;
+ if (CurScreen(SP_PARM)->_clear || NewScreen(SP_PARM)->_clear) { /* force refresh ? */
+ ClrUpdate(NCURSES_SP_ARG);
+ CurScreen(SP_PARM)->_clear = FALSE; /* reset flag */
+ NewScreen(SP_PARM)->_clear = FALSE; /* reset flag */
+ } else {
+ int changedlines = CHECK_INTERVAL;
- if (SP->_scrolling) {
- _nc_scroll_optimize();
- }
+ if (check_pending(NCURSES_SP_ARG))
+ goto cleanup;
- nonempty = ClrBottom(nonempty);
+ nonempty = min(screen_lines(SP_PARM), NewScreen(SP_PARM)->_maxy + 1);
- T(("Transforming lines, nonempty %d", nonempty));
- for (i = 0; i < nonempty; i++) {
- /*
- * Here is our line-breakout optimization.
- */
- if (changedlines == CHECK_INTERVAL)
- {
- if (check_pending())
- goto cleanup;
- changedlines = 0;
- }
+ if (SP_PARM->_scrolling) {
+ NCURSES_SP_NAME(_nc_scroll_optimize) (NCURSES_SP_ARG);
+ }
- /*
- * 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,
- */
- if (newscr->_line[i].firstchar != _NOCHANGE
- || curscr->_line[i].firstchar != _NOCHANGE)
- {
- TransformLine(i);
- changedlines++;
- }
+ nonempty = ClrBottom(NCURSES_SP_ARGx nonempty);
- /* mark line changed successfully */
- if (i <= newscr->_maxy)
- MARK_NOCHANGE(newscr,i)
- if (i <= curscr->_maxy)
- MARK_NOCHANGE(curscr,i)
- }
+ TR(TRACE_UPDATE, ("Transforming lines, nonempty %d", nonempty));
+ for (i = 0; i < nonempty; i++) {
+ /*
+ * Here is our line-breakout optimization.
+ */
+ if (changedlines == CHECK_INTERVAL) {
+ if (check_pending(NCURSES_SP_ARG))
+ goto cleanup;
+ changedlines = 0;
+ }
+
+ /*
+ * 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,
+ */
+ if (NewScreen(SP_PARM)->_line[i].firstchar != _NOCHANGE
+ || CurScreen(SP_PARM)->_line[i].firstchar != _NOCHANGE) {
+ TransformLine(NCURSES_SP_ARGx i);
+ changedlines++;
+ }
+
+ /* mark line changed successfully */
+ if (i <= NewScreen(SP_PARM)->_maxy) {
+ MARK_NOCHANGE(NewScreen(SP_PARM), i);
+ }
+ if (i <= CurScreen(SP_PARM)->_maxy) {
+ MARK_NOCHANGE(CurScreen(SP_PARM), i);
+ }
}
+ }
- /* put everything back in sync */
- for (i = nonempty; i <= newscr->_maxy; i++)
- MARK_NOCHANGE(newscr,i)
- for (i = nonempty; i <= curscr->_maxy; i++)
- MARK_NOCHANGE(curscr,i)
+ /* put everything back in sync */
+ for (i = nonempty; i <= NewScreen(SP_PARM)->_maxy; i++) {
+ MARK_NOCHANGE(NewScreen(SP_PARM), i);
+ }
+ for (i = nonempty; i <= CurScreen(SP_PARM)->_maxy; i++) {
+ MARK_NOCHANGE(CurScreen(SP_PARM), i);
+ }
- if (!newscr->_leaveok)
- {
- curscr->_curx = newscr->_curx;
- curscr->_cury = newscr->_cury;
+ if (!NewScreen(SP_PARM)->_leaveok) {
+ CurScreen(SP_PARM)->_curx = NewScreen(SP_PARM)->_curx;
+ CurScreen(SP_PARM)->_cury = NewScreen(SP_PARM)->_cury;
- GoTo(curscr->_cury, curscr->_curx);
- }
+ GoTo(NCURSES_SP_ARGx CurScreen(SP_PARM)->_cury, CurScreen(SP_PARM)->_curx);
+ }
- cleanup:
- /*
- * Keep the physical screen in normal mode in case we get other
- * processes writing to the screen.
- */
- UpdateAttrs(A_NORMAL);
+ cleanup:
+ /*
+ * 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.
+ */
+#if USE_XMC_SUPPORT
+ if (magic_cookie_glitch != 0)
+#endif
+ UpdateAttrs(SP_PARM, normal);
- _nc_flush();
- curscr->_attrs = newscr->_attrs;
-/* curscr->_bkgd = newscr->_bkgd; */
+ NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
+ WINDOW_ATTRS(CurScreen(SP_PARM)) = WINDOW_ATTRS(NewScreen(SP_PARM));
#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));
+ (void) times(&after);
+ TR(TRACE_TIMES,
+ ("Update cost: %ld chars, %ld clocks system time, %ld clocks user time",
+ _nc_outchars,
+ (long) (after.tms_stime - before.tms_stime),
+ (long) (after.tms_utime - before.tms_utime)));
#endif /* USE_TRACE_TIMES */
- _nc_signal_handler(TRUE);
+ _nc_signal_handler(TRUE);
- returnCode(OK);
+ _nc_unlock_global(update);
+ returnCode(OK);
}
+#if NCURSES_SP_FUNCS && !defined(USE_TERM_DRIVER)
+NCURSES_EXPORT(int)
+doupdate(void)
+{
+ return TINFO_DOUPDATE(CURRENT_SCREEN);
+}
+#endif
+
/*
* ClrBlank(win)
*
* 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(sp,win) (((win) == CurScreen(sp) ? StdScreen(sp) : (win))->_nc_bkgd)
-static inline chtype ClrBlank (WINDOW *win)
+static NCURSES_INLINE NCURSES_CH_T
+ClrBlank(NCURSES_SP_DCLx WINDOW *win)
{
-chtype blank = BLANK;
- if (back_color_erase)
- blank |= (BCE_BKGD(win) & BCE_ATTRS);
- return blank;
+ NCURSES_CH_T blank = blankchar;
+ if (back_color_erase)
+ AddAttr(blank, (AttrOf(BCE_BKGD(SP_PARM, win)) & BCE_ATTRS));
+ return blank;
}
/*
**
*/
-static void ClrUpdate(void)
+static void
+ClrUpdate(NCURSES_SP_DCL0)
{
+ TR(TRACE_UPDATE, (T_CALLED("ClrUpdate")));
+ if (0 != SP_PARM) {
int i;
- chtype blank = ClrBlank(stdscr);
- int nonempty = min(screen_lines, newscr->_maxy+1);
-
- T(("ClrUpdate() called"));
+ NCURSES_CH_T blank = ClrBlank(NCURSES_SP_ARGx StdScreen(SP_PARM));
+ int nonempty = min(screen_lines(SP_PARM),
+ NewScreen(SP_PARM)->_maxy + 1);
- ClearScreen(blank);
+ ClearScreen(NCURSES_SP_ARGx blank);
- T(("updating screen from scratch"));
+ TR(TRACE_UPDATE, ("updating screen from scratch"));
- nonempty = ClrBottom(nonempty);
+ nonempty = ClrBottom(NCURSES_SP_ARGx nonempty);
for (i = 0; i < nonempty; i++)
- TransformLine(i);
+ TransformLine(NCURSES_SP_ARGx i);
+ }
+ TR(TRACE_UPDATE, (T_RETURN("")));
}
/*
** Clear to end of current line, starting at the cursor position
*/
-static void ClrToEOL(chtype blank)
+static void
+ClrToEOL(NCURSES_SP_DCLx NCURSES_CH_T blank, int needclear)
{
-int j;
-bool needclear = FALSE;
-
- for (j = SP->_curscol; j < screen_columns; j++)
- {
- chtype *cp = &(curscr->_line[SP->_cursrow].text[j]);
-
- if (*cp != blank)
- {
- *cp = blank;
- needclear = TRUE;
+ if (CurScreen(SP_PARM) != 0
+ && SP_PARM->_cursrow >= 0) {
+ int j;
+
+ for (j = SP_PARM->_curscol; j < screen_columns(SP_PARM); j++) {
+ if (j >= 0) {
+ NCURSES_CH_T *cp =
+ &(CurScreen(SP_PARM)->_line[SP_PARM->_cursrow].text[j]);
+
+ if (!CharEq(*cp, blank)) {
+ *cp = blank;
+ needclear = TRUE;
+ }
}
}
+ }
- if (needclear)
- {
- UpdateAttrs(blank);
- TPUTS_TRACE("clr_eol");
- if (SP->_el_cost > (screen_columns - SP->_curscol))
- {
- int count = (screen_columns - SP->_curscol);
- while (count-- > 0)
- PutChar(blank);
- }
- else
- putp(clr_eol);
+ if (needclear) {
+ UpdateAttrs(SP_PARM, blank);
+ if (clr_eol && SP_PARM->_el_cost <= (screen_columns(SP_PARM) - SP_PARM->_curscol)) {
+ NCURSES_PUTP2("clr_eol", clr_eol);
+ } else {
+ int count = (screen_columns(SP_PARM) - SP_PARM->_curscol);
+ while (count-- > 0)
+ PutChar(NCURSES_SP_ARGx CHREF(blank));
}
+ }
}
/*
** Clear to end of screen, starting at the cursor position
*/
-static void ClrToEOS(chtype blank)
+static void
+ClrToEOS(NCURSES_SP_DCLx NCURSES_CH_T blank)
{
-int row, col;
+ int row, col;
- UpdateAttrs(blank);
- TPUTS_TRACE("clr_eos");
- row = SP->_cursrow;
- tputs(clr_eos, screen_lines-row, _nc_outch);
+ row = SP_PARM->_cursrow;
+ col = SP_PARM->_curscol;
- for (col = SP->_curscol; col < screen_columns; col++)
- curscr->_line[row].text[col] = blank;
+ if (row < 0)
+ row = 0;
+ if (col < 0)
+ col = 0;
- for (row++; row < screen_lines; row++)
- {
- for (col = 0; col < screen_columns; col++)
- curscr->_line[row].text[col] = blank;
- }
+ UpdateAttrs(SP_PARM, blank);
+ TPUTS_TRACE("clr_eos");
+ NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
+ clr_eos,
+ screen_lines(SP_PARM) - row,
+ NCURSES_SP_NAME(_nc_outch));
+
+ while (col < screen_columns(SP_PARM))
+ CurScreen(SP_PARM)->_line[row].text[col++] = blank;
+
+ for (row++; row < screen_lines(SP_PARM); row++) {
+ for (col = 0; col < screen_columns(SP_PARM); col++)
+ CurScreen(SP_PARM)->_line[row].text[col] = blank;
+ }
}
/*
* screen-update. Do this by scanning backwards through the lines in the
* screen, checking if each is blank, and one or more are changed.
*/
-static int ClrBottom(int total)
+static int
+ClrBottom(NCURSES_SP_DCLx int total)
{
-static chtype *tstLine;
-static size_t lenLine;
-
-int row, col;
-int top = total;
-int last = min(screen_columns, newscr->_maxx+1);
-size_t length = sizeof(chtype) * last;
-chtype blank = newscr->_line[total-1].text[last-1]; /* lower right char */
-
- if(!clr_eos || !can_clear_with(blank))
- return total;
-
- if ((tstLine == 0) || (last > (int)lenLine)) {
- tstLine = typeRealloc(chtype, last, tstLine);
- if (tstLine != 0) {
- lenLine = last;
- for (col = 0; col < last; col++)
- tstLine[col] = blank;
- }
- }
+ int top = total;
+ 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 (tstLine != 0) {
- for (row = total-1; row >= 0; row--) {
- if (memcmp(tstLine, newscr->_line[row].text, length))
- break;
- if (memcmp(tstLine, curscr->_line[row].text, length))
- top = row;
- }
+ if (clr_eos && can_clear_with(NCURSES_SP_ARGx CHREF(blank))) {
+ int row;
- /* don't use clr_eos for just one line if clr_eol available */
- if (top < total-1 || (top < total && !clr_eol && !clr_bol)) {
- 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];
- }
- }
+ for (row = total - 1; row >= 0; row--) {
+ int col;
+ bool ok;
+
+ for (col = 0, ok = TRUE; ok && col < last; col++) {
+ ok = (CharEq(NewScreen(SP_PARM)->_line[row].text[col], blank));
+ }
+ if (!ok)
+ break;
+
+ for (col = 0; ok && col < last; col++) {
+ ok = (CharEq(CurScreen(SP_PARM)->_line[row].text[col], blank));
+ }
+ if (!ok)
+ top = row;
}
-#if NO_LEAKS
- if (tstLine != 0)
- FreeAndNull(tstLine);
-#endif
- return total;
+
+ /* don't use clr_eos for just one line if clr_eol available */
+ if (top < total) {
+ GoTo(NCURSES_SP_ARGx top, 0);
+ ClrToEOS(NCURSES_SP_ARGx blank);
+ if (SP_PARM->oldhash && SP_PARM->newhash) {
+ for (row = top; row < screen_lines(SP_PARM); row++)
+ SP_PARM->oldhash[row] = SP_PARM->newhash[row];
+ }
+ }
+ }
+ return top;
}
+#if USE_XMC_SUPPORT
+#if USE_WIDEC_SUPPORT
+#define check_xmc_transition(sp, a, b) \
+ ((((a)->attr ^ (b)->attr) & ~((a)->attr) & (sp)->_xmc_triggers) != 0)
+#define xmc_turn_on(sp,a,b) check_xmc_transition(sp,&(a), &(b))
+#else
+#define xmc_turn_on(sp,a,b) ((((a)^(b)) & ~(a) & (sp)->_xmc_triggers) != 0)
+#endif
+
+#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 */
/*
** TransformLine(lineno)
**
** Transform the given line in curscr to the one in newscr, using
-** Insert/Delete Character if _nc_idcok && has_ic().
+** Insert/Delete Character if idcok && has_ic().
**
** firstChar = position of first different character in line
** oLastChar = position of last different character in old line
** delete oLastChar - nLastChar spaces
*/
-static void TransformLine(int const lineno)
+static void
+TransformLine(NCURSES_SP_DCLx int const lineno)
{
-int firstChar, oLastChar, nLastChar;
-chtype *newLine = newscr->_line[lineno].text;
-chtype *oldLine = curscr->_line[lineno].text;
-int n;
-bool attrchanged = FALSE;
-
- T(("TransformLine(%d) called", lineno));
-
- /* copy new hash value to old one */
- if (SP->oldhash && SP->newhash)
- SP->oldhash[lineno] = SP->newhash[lineno];
-
- if(ceol_standout_glitch && clr_eol) {
- firstChar = 0;
- while(firstChar < screen_columns) {
- if(AttrOf(newLine[firstChar]) != AttrOf(oldLine[firstChar]))
- attrchanged = TRUE;
- firstChar++;
+ int firstChar, oLastChar, nLastChar;
+ NCURSES_CH_T *newLine = NewScreen(SP_PARM)->_line[lineno].text;
+ NCURSES_CH_T *oldLine = CurScreen(SP_PARM)->_line[lineno].text;
+ int n;
+ bool attrchanged = FALSE;
+
+ TR(TRACE_UPDATE, (T_CALLED("TransformLine(%p, %d)"), (void *) SP_PARM, lineno));
+
+ /* copy new hash value to old one */
+ if (SP_PARM->oldhash && SP_PARM->newhash)
+ SP_PARM->oldhash[lineno] = SP_PARM->newhash[lineno];
+
+ /*
+ * 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
+ * for this case, and update the old line with the new line's colors when
+ * they are equivalent.
+ */
+ if (SP_PARM->_coloron) {
+ int oldPair;
+ int newPair;
+
+ for (n = 0; n < screen_columns(SP_PARM); n++) {
+ if (!CharEq(newLine[n], oldLine[n])) {
+ oldPair = GetPair(oldLine[n]);
+ newPair = GetPair(newLine[n]);
+ if (oldPair != newPair
+ && unColor(oldLine[n]) == unColor(newLine[n])) {
+ if (oldPair < SP_PARM->_pair_limit
+ && newPair < SP_PARM->_pair_limit
+ && (isSamePair(SP_PARM->_color_pairs[oldPair],
+ SP_PARM->_color_pairs[newPair]))) {
+ SetPair(oldLine[n], GetPair(newLine[n]));
+ }
}
+ }
}
+ }
+ if (ceol_standout_glitch && clr_eol) {
firstChar = 0;
+ while (firstChar < screen_columns(SP_PARM)) {
+ if (!SameAttrOf(newLine[firstChar], oldLine[firstChar])) {
+ attrchanged = TRUE;
+ break;
+ }
+ firstChar++;
+ }
+ }
- if (attrchanged) { /* we may have to disregard the whole line */
- GoTo(lineno, firstChar);
- ClrToEOL(ClrBlank(curscr));
- PutRange(oldLine, newLine, lineno, 0, (screen_columns-1));
-#if USE_XMC_SUPPORT
+ firstChar = 0;
-#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)
+ 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);
+ PutRange(NCURSES_SP_ARGx
+ oldLine, newLine, lineno, 0,
+ screen_columns(SP_PARM) - 1);
+#if USE_XMC_SUPPORT
/*
* This is a very simple loop to paint characters which may have the
* will work properly only once, since we may overwrite a cookie in a
* following operation.
*/
- } else if (magic_cookie_glitch > 0) {
- GoTo(lineno, firstChar);
- for (n = 0; n < screen_columns; n++) {
- int m = n + magic_cookie_glitch;
-
- /* check for turn-on:
- * If we are writing an attributed blank, where the
- * previous cell is not attributed.
- */
- if (TextOf(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), newLine[n])))) {
- n = m;
- }
+ } else if (magic_cookie_glitch > 0) {
+ GoTo(NCURSES_SP_ARGx lineno, firstChar);
+ for (n = 0; n < screen_columns(SP_PARM); n++) {
+ int m = n + magic_cookie_glitch;
+
+ /* check for turn-on:
+ * If we are writing an attributed blank, where the
+ * previous cell is not attributed.
+ */
+ if (ISBLANK(newLine[n])
+ && ((n > 0
+ && xmc_turn_on(SP_PARM, newLine[n - 1], newLine[n]))
+ || (n == 0
+ && lineno > 0
+ && xmc_turn_on(SP_PARM,
+ xmc_new(SP_PARM, lineno - 1,
+ screen_columns(SP_PARM) - 1),
+ newLine[n])))) {
+ n = m;
+ }
- PutChar(newLine[n]);
+ PutChar(NCURSES_SP_ARGx 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]) != ' '
- && ((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))))) {
- n = m;
- }
+ /* check for turn-off:
+ * If we are writing an attributed non-blank, where the
+ * next cell is blank, and not attributed.
+ */
+ if (!ISBLANK(newLine[n])
+ && ((n + 1 < screen_columns(SP_PARM)
+ && xmc_turn_off(SP_PARM, newLine[n], newLine[n + 1]))
+ || (n + 1 >= screen_columns(SP_PARM)
+ && lineno + 1 < screen_lines(SP_PARM)
+ && xmc_turn_off(SP_PARM,
+ newLine[n],
+ xmc_new(SP_PARM, lineno + 1, 0))))) {
+ n = m;
+ }
- }
-#undef NEW
+ }
#endif
- } else {
- chtype blank;
-
+ } else {
+ NCURSES_CH_T blank;
+
+ /* it may be cheap to clear leading whitespace with clr_bol */
+ blank = newLine[0];
+ if (clr_bol && can_clear_with(NCURSES_SP_ARGx CHREF(blank))) {
+ int oFirstChar, nFirstChar;
+
+ for (oFirstChar = 0;
+ oFirstChar < screen_columns(SP_PARM);
+ oFirstChar++)
+ if (!CharEq(oldLine[oFirstChar], blank))
+ break;
+ for (nFirstChar = 0;
+ nFirstChar < screen_columns(SP_PARM);
+ nFirstChar++)
+ if (!CharEq(newLine[nFirstChar], blank))
+ break;
+
+ if (nFirstChar == oFirstChar) {
+ firstChar = nFirstChar;
/* 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;
-
- /* it may be cheap to clear leading whitespace with clr_bol */
- if (clr_bol && can_clear_with(blank=newLine[0]))
- {
- int oFirstChar, nFirstChar;
-
- for (oFirstChar = 0; oFirstChar < screen_columns; oFirstChar++)
- if (oldLine[oFirstChar] != blank)
- break;
- for (nFirstChar = 0; nFirstChar < screen_columns; nFirstChar++)
- if (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;
+ while (firstChar < screen_columns(SP_PARM)
+ && CharEq(newLine[firstChar], oldLine[firstChar]))
+ firstChar++;
+ } else if (oFirstChar > nFirstChar) {
+ firstChar = nFirstChar;
+ } else { /* oFirstChar < nFirstChar */
+ firstChar = oFirstChar;
+ if (SP_PARM->_el1_cost < nFirstChar - oFirstChar) {
+ if (nFirstChar >= screen_columns(SP_PARM)
+ && SP_PARM->_el_cost <= SP_PARM->_el1_cost) {
+ GoTo(NCURSES_SP_ARGx lineno, 0);
+ UpdateAttrs(SP_PARM, blank);
+ NCURSES_PUTP2("clr_eol", clr_eol);
+ } else {
+ GoTo(NCURSES_SP_ARGx lineno, nFirstChar - 1);
+ UpdateAttrs(SP_PARM, blank);
+ NCURSES_PUTP2("clr_bol", clr_bol);
+ }
- if (firstChar >= screen_columns)
- return;
- }
+ while (firstChar < nFirstChar)
+ oldLine[firstChar++] = blank;
}
+ }
+ } else {
+ /* find the first differing character */
+ while (firstChar < screen_columns(SP_PARM)
+ && CharEq(newLine[firstChar], oldLine[firstChar]))
+ firstChar++;
+ }
+ /* if there wasn't one, we're done */
+ if (firstChar >= screen_columns(SP_PARM)) {
+ TR(TRACE_UPDATE, (T_RETURN("")));
+ return;
+ }
- blank = newLine[screen_columns-1];
+ blank = newLine[screen_columns(SP_PARM) - 1];
+
+ if (!can_clear_with(NCURSES_SP_ARGx CHREF(blank))) {
+ /* find the last differing character */
+ nLastChar = screen_columns(SP_PARM) - 1;
+
+ while (nLastChar > firstChar
+ && CharEq(newLine[nLastChar], oldLine[nLastChar]))
+ nLastChar--;
+
+ if (nLastChar >= firstChar) {
+ GoTo(NCURSES_SP_ARGx lineno, firstChar);
+ PutRange(NCURSES_SP_ARGx
+ oldLine,
+ newLine,
+ lineno,
+ firstChar,
+ nLastChar);
+ memcpy(oldLine + firstChar,
+ newLine + firstChar,
+ (unsigned) (nLastChar - firstChar + 1) * sizeof(NCURSES_CH_T));
+ }
+ TR(TRACE_UPDATE, (T_RETURN("")));
+ return;
+ }
- if(!can_clear_with(blank))
- {
- /* find the last differing character */
- nLastChar = screen_columns - 1;
+ /* find last non-blank character on old line */
+ oLastChar = screen_columns(SP_PARM) - 1;
+ while (oLastChar > firstChar && CharEq(oldLine[oLastChar], blank))
+ oLastChar--;
+
+ /* find last non-blank character on new line */
+ nLastChar = screen_columns(SP_PARM) - 1;
+ while (nLastChar > firstChar && CharEq(newLine[nLastChar], blank))
+ nLastChar--;
+
+ if ((nLastChar == firstChar)
+ && (SP_PARM->_el_cost < (oLastChar - nLastChar))) {
+ GoTo(NCURSES_SP_ARGx lineno, firstChar);
+ if (!CharEq(newLine[firstChar], blank))
+ PutChar(NCURSES_SP_ARGx CHREF(newLine[firstChar]));
+ ClrToEOL(NCURSES_SP_ARGx blank, FALSE);
+ } else if ((nLastChar != oLastChar)
+ && (!CharEq(newLine[nLastChar], oldLine[oLastChar])
+ || !(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
+ oldLine,
+ newLine,
+ lineno,
+ firstChar,
+ nLastChar)) {
+ GoTo(NCURSES_SP_ARGx lineno, nLastChar + 1);
+ }
+ ClrToEOL(NCURSES_SP_ARGx blank, FALSE);
+ } else {
+ n = max(nLastChar, oLastChar);
+ PutRange(NCURSES_SP_ARGx
+ oldLine,
+ newLine,
+ lineno,
+ firstChar,
+ n);
+ }
+ } else {
+ int nLastNonblank = nLastChar;
+ int oLastNonblank = oLastChar;
+
+ /* find the last characters that really differ */
+ /* 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;
+ }
- while (nLastChar > firstChar
- && newLine[nLastChar] == oldLine[nLastChar])
- nLastChar--;
+ n = min(oLastChar, nLastChar);
+ if (n >= firstChar) {
+ GoTo(NCURSES_SP_ARGx lineno, firstChar);
+ PutRange(NCURSES_SP_ARGx
+ oldLine,
+ newLine,
+ lineno,
+ firstChar,
+ n);
+ }
- if (nLastChar >= firstChar) {
- GoTo(lineno, firstChar);
- PutRange(oldLine, newLine, lineno, firstChar, nLastChar);
- memcpy( oldLine + firstChar,
- newLine + firstChar,
- (nLastChar - firstChar + 1) * sizeof(chtype));
- }
- return;
+ if (oLastChar < nLastChar) {
+ int m = max(nLastNonblank, oLastNonblank);
+#if USE_WIDEC_SUPPORT
+ if (n) {
+ while (isWidecExt(newLine[n + 1]) && n) {
+ --n;
+ --oLastChar; /* increase cost */
+ }
+ } else if (n >= firstChar &&
+ isWidecBase(newLine[n])) {
+ while (isWidecExt(newLine[n + 1])) {
+ ++n;
+ ++oLastChar; /* decrease cost */
+ }
}
-
- /* find last non-blank character on old line */
- oLastChar = screen_columns - 1;
- while (oLastChar > firstChar && oldLine[oLastChar] == blank)
- oLastChar--;
-
- /* find last non-blank character on new line */
- nLastChar = screen_columns - 1;
- while (nLastChar > firstChar && newLine[nLastChar] == blank)
- nLastChar--;
-
- if((nLastChar == firstChar)
- && (SP->_el_cost < (oLastChar - nLastChar))) {
- GoTo(lineno, firstChar);
- if(newLine[firstChar] != blank )
- PutChar(newLine[firstChar]);
- ClrToEOL(blank);
- } else if( (nLastChar != oLastChar)
- && (newLine[nLastChar] != oldLine[oLastChar]
- || !(_nc_idcok && has_ic())) ) {
- GoTo(lineno, firstChar);
- if ((oLastChar - nLastChar) > SP->_el_cost) {
- if(PutRange(oldLine, newLine, lineno, firstChar, nLastChar))
- GoTo(lineno, nLastChar+1);
- ClrToEOL(blank);
- } else {
- n = max( nLastChar , oLastChar );
- PutRange(oldLine, newLine, lineno, firstChar, n);
- }
+#endif
+ GoTo(NCURSES_SP_ARGx lineno, n + 1);
+ if ((nLastChar < nLastNonblank)
+ || InsCharCost(SP_PARM, nLastChar - oLastChar) > (m - n)) {
+ PutRange(NCURSES_SP_ARGx
+ oldLine,
+ newLine,
+ lineno,
+ n + 1,
+ m);
} else {
- int nLastNonblank = nLastChar;
- int oLastNonblank = oLastChar;
-
- /* find the last characters that really differ */
- while (newLine[nLastChar] == oldLine[oLastChar]) {
- if (nLastChar != 0
- && oLastChar != 0) {
- nLastChar--;
- oLastChar--;
- } else {
- break;
- }
- }
-
- n = min(oLastChar, nLastChar);
- if (n >= firstChar) {
- GoTo(lineno, firstChar);
- PutRange(oldLine, newLine, lineno, firstChar, n);
- }
-
- if (oLastChar < nLastChar) {
- int m = max(nLastNonblank, oLastNonblank);
- GoTo(lineno, n+1);
- if (InsCharCost(nLastChar - oLastChar)
- > (m - n)) {
- PutRange(oldLine, newLine, lineno, n+1, m);
- } else {
- InsStr(&newLine[n+1], nLastChar - oLastChar);
- }
- } else if (oLastChar > nLastChar ) {
- GoTo(lineno, n+1);
- if (DelCharCost(oLastChar - nLastChar)
- > SP->_el_cost + nLastNonblank - (n+1)) {
- if(PutRange(oldLine, newLine, lineno,
- n+1, nLastNonblank))
- GoTo(lineno, nLastNonblank+1);
- ClrToEOL(blank);
- } else {
- /*
- * The delete-char sequence will
- * effectively shift in blanks from the
- * right margin of the screen. Ensure
- * that they are the right color by
- * setting the video attributes from
- * the last character on the row.
- */
- UpdateAttrs(blank);
- DelChar(oLastChar - nLastChar);
- }
- }
+ InsStr(NCURSES_SP_ARGx &newLine[n + 1], nLastChar - oLastChar);
+ }
+ } else if (oLastChar > nLastChar) {
+ GoTo(NCURSES_SP_ARGx lineno, n + 1);
+ if (DelCharCost(SP_PARM, oLastChar - nLastChar)
+ > SP_PARM->_el_cost + nLastNonblank - (n + 1)) {
+ if (PutRange(NCURSES_SP_ARGx oldLine, newLine, lineno,
+ n + 1, nLastNonblank)) {
+ GoTo(NCURSES_SP_ARGx lineno, nLastNonblank + 1);
+ }
+ ClrToEOL(NCURSES_SP_ARGx blank, FALSE);
+ } else {
+ /*
+ * The delete-char sequence will
+ * effectively shift in blanks from the
+ * right margin of the screen. Ensure
+ * that they are the right color by
+ * setting the video attributes from
+ * the last character on the row.
+ */
+ UpdateAttrs(SP_PARM, blank);
+ DelChar(NCURSES_SP_ARGx oLastChar - nLastChar);
}
+ }
}
+ }
- /* update the code's internal representation */
- if (screen_columns > firstChar)
- memcpy( oldLine + firstChar,
- newLine + firstChar,
- (screen_columns - firstChar) * sizeof(chtype));
+ /* update the code's internal representation */
+ if (screen_columns(SP_PARM) > firstChar)
+ memcpy(oldLine + firstChar,
+ newLine + firstChar,
+ (unsigned) (screen_columns(SP_PARM) - firstChar) * sizeof(NCURSES_CH_T));
+ TR(TRACE_UPDATE, (T_RETURN("")));
+ return;
}
/*
**
*/
-static void ClearScreen(chtype blank)
+static void
+ClearScreen(NCURSES_SP_DCLx NCURSES_CH_T blank)
{
- int i, j;
-
- T(("ClearScreen() called"));
+ int i, j;
+ bool fast_clear = (clear_screen || clr_eos || clr_eol);
+
+ TR(TRACE_UPDATE, ("ClearScreen() called"));
+
+#if NCURSES_EXT_FUNCS
+ if (SP_PARM->_coloron
+ && !SP_PARM->_default_color) {
+ NCURSES_SP_NAME(_nc_do_color) (NCURSES_SP_ARGx
+ (short) GET_SCREEN_PAIR(SP_PARM),
+ 0,
+ FALSE,
+ NCURSES_SP_NAME(_nc_outch));
+ if (!back_color_erase) {
+ fast_clear = FALSE;
+ }
+ }
+#endif
+ if (fast_clear) {
if (clear_screen) {
- UpdateAttrs(blank);
- TPUTS_TRACE("clear_screen");
- putp(clear_screen);
- SP->_cursrow = SP->_curscol = 0;
- position_check(SP->_cursrow, SP->_curscol, "ClearScreen");
+ UpdateAttrs(SP_PARM, blank);
+ NCURSES_PUTP2("clear_screen", clear_screen);
+ SP_PARM->_cursrow = SP_PARM->_curscol = 0;
+ position_check(NCURSES_SP_ARGx
+ SP_PARM->_cursrow,
+ SP_PARM->_curscol,
+ "ClearScreen");
} else if (clr_eos) {
- SP->_cursrow = SP->_curscol = -1;
- GoTo(0,0);
-
- UpdateAttrs(blank);
- TPUTS_TRACE("clr_eos");
- putp(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
+ clr_eos,
+ screen_lines(SP_PARM),
+ NCURSES_SP_NAME(_nc_outch));
} else if (clr_eol) {
- SP->_cursrow = SP->_curscol = -1;
-
- for (i = 0; i < screen_lines; i++) {
- GoTo(i, 0);
- UpdateAttrs(blank);
- TPUTS_TRACE("clr_eol");
- putp(clr_eol);
- }
- GoTo(0,0);
- } else {
- T(("cannot clear screen"));
- return;
+ 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);
+ NCURSES_PUTP2("clr_eol", clr_eol);
+ }
+ GoTo(NCURSES_SP_ARGx 0, 0);
}
-
- for (i = 0; i < screen_lines; i++) {
- for (j = 0; j < screen_columns; j++)
- curscr->_line[i].text[j] = blank;
+ } else {
+ UpdateAttrs(SP_PARM, blank);
+ for (i = 0; i < screen_lines(SP_PARM); i++) {
+ GoTo(NCURSES_SP_ARGx i, 0);
+ for (j = 0; j < screen_columns(SP_PARM); j++)
+ PutChar(NCURSES_SP_ARGx CHREF(blank));
}
+ GoTo(NCURSES_SP_ARGx 0, 0);
+ }
+
+ for (i = 0; i < screen_lines(SP_PARM); i++) {
+ for (j = 0; j < screen_columns(SP_PARM); j++)
+ CurScreen(SP_PARM)->_line[i].text[j] = blank;
+ }
- T(("screen cleared"));
+ TR(TRACE_UPDATE, ("screen cleared"));
}
/*
**
*/
-static void InsStr(chtype *line, int count)
+static void
+InsStr(NCURSES_SP_DCLx NCURSES_CH_T * line, int count)
{
- T(("InsStr(%p,%d) called", line, count));
-
- /* Prefer parm_ich as it has the smallest cost - no need to shift
- * the whole line on each character. */
- /* The order must match that of InsCharCost. */
- if (parm_ich) {
- TPUTS_TRACE("parm_ich");
- tputs(tparm(parm_ich, count), count, _nc_outch);
- while (count) {
- PutAttrChar(*line);
- line++;
- count--;
- }
- } else if (enter_insert_mode && exit_insert_mode) {
- TPUTS_TRACE("enter_insert_mode");
- putp(enter_insert_mode);
- while (count) {
- PutAttrChar(*line);
- if (insert_padding)
- {
- TPUTS_TRACE("insert_padding");
- putp(insert_padding);
- }
- line++;
- count--;
- }
- TPUTS_TRACE("exit_insert_mode");
- putp(exit_insert_mode);
- } else {
- while (count) {
- TPUTS_TRACE("insert_character");
- putp(insert_character);
- PutAttrChar(*line);
- if (insert_padding)
- {
- TPUTS_TRACE("insert_padding");
- putp(insert_padding);
- }
- line++;
- count--;
- }
+ TR(TRACE_UPDATE, ("InsStr(%p, %p,%d) called",
+ (void *) SP_PARM,
+ (void *) line, count));
+
+ /* Prefer parm_ich as it has the smallest cost - no need to shift
+ * the whole line on each character. */
+ /* The order must match that of InsCharCost. */
+ if (parm_ich) {
+ TPUTS_TRACE("parm_ich");
+ NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
+ TPARM_1(parm_ich, count),
+ 1,
+ NCURSES_SP_NAME(_nc_outch));
+ while (count > 0) {
+ PutAttrChar(NCURSES_SP_ARGx CHREF(*line));
+ line++;
+ count--;
+ }
+ } else if (enter_insert_mode && exit_insert_mode) {
+ NCURSES_PUTP2("enter_insert_mode", enter_insert_mode);
+ while (count > 0) {
+ PutAttrChar(NCURSES_SP_ARGx CHREF(*line));
+ if (insert_padding) {
+ NCURSES_PUTP2("insert_padding", insert_padding);
+ }
+ line++;
+ count--;
+ }
+ NCURSES_PUTP2("exit_insert_mode", exit_insert_mode);
+ } else {
+ while (count > 0) {
+ NCURSES_PUTP2("insert_character", insert_character);
+ PutAttrChar(NCURSES_SP_ARGx CHREF(*line));
+ if (insert_padding) {
+ NCURSES_PUTP2("insert_padding", insert_padding);
+ }
+ line++;
+ count--;
}
- position_check(SP->_cursrow, SP->_curscol, "InsStr");
+ }
+ position_check(NCURSES_SP_ARGx
+ SP_PARM->_cursrow,
+ SP_PARM->_curscol, "InsStr");
}
/*
**
*/
-static void DelChar(int count)
+static void
+DelChar(NCURSES_SP_DCLx int count)
{
- T(("DelChar(%d) called, position = (%d,%d)", count, newscr->_cury, newscr->_curx));
+ TR(TRACE_UPDATE, ("DelChar(%p, %d) called, position = (%ld,%ld)",
+ (void *) SP_PARM, count,
+ (long) NewScreen(SP_PARM)->_cury,
+ (long) NewScreen(SP_PARM)->_curx));
+
+ if (parm_dch) {
+ TPUTS_TRACE("parm_dch");
+ NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
+ TPARM_1(parm_dch, count),
+ 1,
+ NCURSES_SP_NAME(_nc_outch));
+ } else {
+ int n;
- if (parm_dch) {
- TPUTS_TRACE("parm_dch");
- tputs(tparm(parm_dch, count), count, _nc_outch);
- } else {
- while (count--)
- {
- TPUTS_TRACE("delete_character");
- putp(delete_character);
- }
+ for (n = 0; n < count; n++) {
+ NCURSES_PUTP2("delete_character", delete_character);
}
-}
-
-/*
-** _nc_outstr(char *str)
-**
-** Emit a string without waiting for update.
-*/
-
-void _nc_outstr(const char *str)
-{
- (void) putp(str);
- _nc_flush();
+ }
}
/*
*/
/* 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)
+static int
+scroll_csr_forward(NCURSES_SP_DCLx
+ int n,
+ int top,
+ int bot,
+ int miny,
+ int maxy,
+ NCURSES_CH_T blank)
{
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);
- }
- else if (n == 1 && delete_line && bot == maxy)
- {
- GoTo(top, 0);
- UpdateAttrs(blank);
- TPUTS_TRACE("delete_line");
- tputs(delete_line, 0, _nc_outch);
- }
- else if (parm_index && top == miny && bot == maxy)
- {
- GoTo(bot, 0);
- UpdateAttrs(blank);
+ if (n == 1 && scroll_forward && top == miny && bot == maxy) {
+ GoTo(NCURSES_SP_ARGx bot, 0);
+ UpdateAttrs(SP_PARM, blank);
+ NCURSES_PUTP2("scroll_forward", scroll_forward);
+ } else if (n == 1 && delete_line && bot == maxy) {
+ GoTo(NCURSES_SP_ARGx top, 0);
+ UpdateAttrs(SP_PARM, blank);
+ NCURSES_PUTP2("delete_line", delete_line);
+ } else if (parm_index && top == miny && bot == maxy) {
+ GoTo(NCURSES_SP_ARGx bot, 0);
+ UpdateAttrs(SP_PARM, blank);
TPUTS_TRACE("parm_index");
- tputs(tparm(parm_index, n, 0), n, _nc_outch);
- }
- else if (parm_delete_line && bot == maxy)
- {
- GoTo(top, 0);
- UpdateAttrs(blank);
+ NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
+ TPARM_2(parm_index, n, 0),
+ n,
+ NCURSES_SP_NAME(_nc_outch));
+ } else if (parm_delete_line && bot == maxy) {
+ GoTo(NCURSES_SP_ARGx top, 0);
+ UpdateAttrs(SP_PARM, blank);
TPUTS_TRACE("parm_delete_line");
- tputs(tparm(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);
+ NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
+ TPARM_2(parm_delete_line, n, 0),
+ n,
+ NCURSES_SP_NAME(_nc_outch));
+ } else if (scroll_forward && top == miny && bot == maxy) {
+ GoTo(NCURSES_SP_ARGx bot, 0);
+ UpdateAttrs(SP_PARM, blank);
+ for (i = 0; i < n; i++) {
+ NCURSES_PUTP2("scroll_forward", 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);
+ } else if (delete_line && bot == maxy) {
+ GoTo(NCURSES_SP_ARGx top, 0);
+ UpdateAttrs(SP_PARM, blank);
+ for (i = 0; i < n; i++) {
+ NCURSES_PUTP2("delete_line", delete_line);
}
- }
- else
+ } else
return ERR;
+#if NCURSES_EXT_FUNCS
+ if (FILL_BCE(SP_PARM)) {
+ int j;
+ for (i = 0; i < n; i++) {
+ GoTo(NCURSES_SP_ARGx bot - i, 0);
+ for (j = 0; j < screen_columns(SP_PARM); j++)
+ PutChar(NCURSES_SP_ARGx CHREF(blank));
+ }
+ }
+#endif
return OK;
}
/* 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)
+static int
+scroll_csr_backward(NCURSES_SP_DCLx
+ int n,
+ int top,
+ int bot,
+ int miny,
+ int maxy,
+ NCURSES_CH_T blank)
{
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);
- }
- else if (n == 1 && insert_line && bot == maxy)
- {
- GoTo(top, 0);
- UpdateAttrs(blank);
- TPUTS_TRACE("insert_line");
- tputs(insert_line, 0, _nc_outch);
- }
- else if (parm_rindex && top == miny && bot == maxy)
- {
- GoTo(top, 0);
- UpdateAttrs(blank);
+ if (n == 1 && scroll_reverse && top == miny && bot == maxy) {
+ GoTo(NCURSES_SP_ARGx top, 0);
+ UpdateAttrs(SP_PARM, blank);
+ NCURSES_PUTP2("scroll_reverse", scroll_reverse);
+ } else if (n == 1 && insert_line && bot == maxy) {
+ GoTo(NCURSES_SP_ARGx top, 0);
+ UpdateAttrs(SP_PARM, blank);
+ NCURSES_PUTP2("insert_line", insert_line);
+ } else if (parm_rindex && top == miny && bot == maxy) {
+ GoTo(NCURSES_SP_ARGx top, 0);
+ UpdateAttrs(SP_PARM, blank);
TPUTS_TRACE("parm_rindex");
- tputs(tparm(parm_rindex, n, 0), n, _nc_outch);
- }
- else if (parm_insert_line && bot == maxy)
- {
- GoTo(top, 0);
- UpdateAttrs(blank);
+ NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
+ TPARM_2(parm_rindex, n, 0),
+ n,
+ NCURSES_SP_NAME(_nc_outch));
+ } else if (parm_insert_line && bot == maxy) {
+ GoTo(NCURSES_SP_ARGx top, 0);
+ UpdateAttrs(SP_PARM, blank);
TPUTS_TRACE("parm_insert_line");
- tputs(tparm(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);
+ NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
+ TPARM_2(parm_insert_line, n, 0),
+ n,
+ NCURSES_SP_NAME(_nc_outch));
+ } else if (scroll_reverse && top == miny && bot == maxy) {
+ GoTo(NCURSES_SP_ARGx top, 0);
+ UpdateAttrs(SP_PARM, blank);
+ for (i = 0; i < n; i++) {
+ NCURSES_PUTP2("scroll_reverse", 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);
+ } else if (insert_line && bot == maxy) {
+ GoTo(NCURSES_SP_ARGx top, 0);
+ UpdateAttrs(SP_PARM, blank);
+ for (i = 0; i < n; i++) {
+ NCURSES_PUTP2("insert_line", insert_line);
}
- }
- else
+ } else
return ERR;
+#if NCURSES_EXT_FUNCS
+ if (FILL_BCE(SP_PARM)) {
+ int j;
+ for (i = 0; i < n; i++) {
+ GoTo(NCURSES_SP_ARGx top + i, 0);
+ for (j = 0; j < screen_columns(SP_PARM); j++)
+ PutChar(NCURSES_SP_ARGx CHREF(blank));
+ }
+ }
+#endif
return OK;
}
/* 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)
+static int
+scroll_idl(NCURSES_SP_DCLx int n, int del, int ins, NCURSES_CH_T blank)
{
int i;
- if(!((parm_delete_line || delete_line) && (parm_insert_line || insert_line)))
+ if (!((parm_delete_line || delete_line) && (parm_insert_line || insert_line)))
return ERR;
- GoTo(del, 0);
- UpdateAttrs(blank);
- if (n == 1 && delete_line)
- {
- TPUTS_TRACE("delete_line");
- tputs(delete_line, 0, _nc_outch);
- }
- else if (parm_delete_line)
- {
+ GoTo(NCURSES_SP_ARGx del, 0);
+ UpdateAttrs(SP_PARM, blank);
+ if (n == 1 && delete_line) {
+ NCURSES_PUTP2("delete_line", delete_line);
+ } else if (parm_delete_line) {
TPUTS_TRACE("parm_delete_line");
- tputs(tparm(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);
+ NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
+ TPARM_2(parm_delete_line, n, 0),
+ n,
+ NCURSES_SP_NAME(_nc_outch));
+ } else { /* if (delete_line) */
+ for (i = 0; i < n; i++) {
+ NCURSES_PUTP2("delete_line", delete_line);
}
}
- GoTo(ins, 0);
- UpdateAttrs(blank);
- if (n == 1 && insert_line)
- {
- TPUTS_TRACE("insert_line");
- tputs(insert_line, 0, _nc_outch);
- }
- else if (parm_insert_line)
- {
+ GoTo(NCURSES_SP_ARGx ins, 0);
+ UpdateAttrs(SP_PARM, blank);
+ if (n == 1 && insert_line) {
+ NCURSES_PUTP2("insert_line", insert_line);
+ } else if (parm_insert_line) {
TPUTS_TRACE("parm_insert_line");
- tputs(tparm(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);
+ NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
+ TPARM_2(parm_insert_line, n, 0),
+ n,
+ NCURSES_SP_NAME(_nc_outch));
+ } else { /* if (insert_line) */
+ for (i = 0; i < n; i++) {
+ NCURSES_PUTP2("insert_line", insert_line);
}
}
return OK;
}
-int _nc_scrolln(int n, int top, int bot, int maxy)
+/*
+ * 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)
+NCURSES_SP_NAME(_nc_scrolln) (NCURSES_SP_DCLx
+ 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;
int i;
- bool cursor_saved=FALSE;
+ 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)",
+ (void *) SP_PARM, n, top, bot, maxy));
+
+ if (!IsValidScreen(SP_PARM))
+ return (ERR);
+
+ blank = ClrBlank(NCURSES_SP_ARGx StdScreen(SP_PARM));
#if USE_XMC_SUPPORT
/*
}
#endif
- if (n > 0) /* scroll up (forward) */
- {
+ if (n > 0) { /* scroll up (forward) */
/*
* Explicitly clear if stuff pushed off top of region might
* be saved by the terminal.
*/
- if (non_dest_scroll_region || (memory_above && top == 0)) {
- for (i = 0; i < n; i++)
- {
- GoTo(i, 0);
- ClrToEOL(BLANK);
- }
- }
-
- res = scroll_csr_forward(n, top, bot, 0, maxy, blank);
-
- if (res == ERR && change_scroll_region)
- {
- if ((((n==1 && scroll_forward) || parm_index)
- && (SP->_cursrow == bot || SP->_cursrow == bot-1))
- && save_cursor && restore_cursor)
- {
- cursor_saved=TRUE;
- TPUTS_TRACE("save_cursor");
- tputs(save_cursor, 0, _nc_outch);
+ res = scroll_csr_forward(NCURSES_SP_ARGx n, top, bot, 0, maxy, blank);
+
+ if (res == ERR && change_scroll_region) {
+ if ((((n == 1 && scroll_forward) || parm_index)
+ && (SP_PARM->_cursrow == bot || SP_PARM->_cursrow == bot - 1))
+ && save_cursor && restore_cursor) {
+ cursor_saved = TRUE;
+ NCURSES_PUTP2("save_cursor", save_cursor);
}
- TPUTS_TRACE("change_scroll_region");
- tputs(tparm(change_scroll_region, top, bot), 0, _nc_outch);
- if (cursor_saved)
- {
- TPUTS_TRACE("restore_cursor");
- tputs(restore_cursor, 0, _nc_outch);
- }
- else
- {
- SP->_cursrow = SP->_curscol = -1;
+ NCURSES_PUTP2("change_scroll_region",
+ TPARM_2(change_scroll_region, top, bot));
+ if (cursor_saved) {
+ NCURSES_PUTP2("restore_cursor", restore_cursor);
+ } else {
+ SP_PARM->_cursrow = SP_PARM->_curscol = -1;
}
- res = scroll_csr_forward(n, top, bot, top, bot, blank);
+ res = scroll_csr_forward(NCURSES_SP_ARGx n, top, bot, top, bot, blank);
- TPUTS_TRACE("change_scroll_region");
- tputs(tparm(change_scroll_region, 0, maxy), 0, _nc_outch);
- SP->_cursrow = SP->_curscol = -1;
+ NCURSES_PUTP2("change_scroll_region",
+ TPARM_2(change_scroll_region, 0, maxy));
+ SP_PARM->_cursrow = SP_PARM->_curscol = -1;
}
- if (res == ERR && _nc_idlok)
- res = scroll_idl(n, top, bot-n+1, blank);
- }
- else /* (n < 0) - scroll down (backward) */
- {
+ if (res == ERR && SP_PARM->_nc_sp_idlok)
+ res = scroll_idl(NCURSES_SP_ARGx n, top, bot - n + 1, blank);
+
/*
- * Do explicit clear to end of region if it's possible that the
- * terminal might hold on to stuff we push off the end.
+ * Clear the newly shifted-in text.
*/
- if (non_dest_scroll_region || (memory_below && bot == maxy))
- {
- if (bot == maxy && clr_eos)
- {
- GoTo(maxy + n, 0);
- ClrToEOS(BLANK);
- }
- else if (clr_eol)
- {
- for (i = 0; i < -n; i++)
- {
- GoTo(maxy + n + i, 0);
- ClrToEOL(BLANK);
+ 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(NCURSES_SP_ARGx bot - n + 1, 0);
+ ClrToEOS(NCURSES_SP_ARGx blank2);
+ } else {
+ for (i = 0; i < n; i++) {
+ GoTo(NCURSES_SP_ARGx bot - i, 0);
+ ClrToEOL(NCURSES_SP_ARGx blank2, FALSE);
}
}
}
- res = scroll_csr_backward(-n, top, bot, 0, maxy, blank);
+ } else { /* (n < 0) - scroll down (backward) */
+ res = scroll_csr_backward(NCURSES_SP_ARGx -n, top, bot, 0, maxy, blank);
- if (res == ERR && change_scroll_region)
- {
- if (top != 0 && (SP->_cursrow == top || SP->_cursrow == top-1)
- && save_cursor && restore_cursor)
- {
- cursor_saved=TRUE;
- TPUTS_TRACE("save_cursor");
- tputs(save_cursor, 0, _nc_outch);
- }
- TPUTS_TRACE("change_scroll_region");
- tputs(tparm(change_scroll_region, top, bot), 0, _nc_outch);
- if (cursor_saved)
- {
- TPUTS_TRACE("restore_cursor");
- tputs(restore_cursor, 0, _nc_outch);
+ if (res == ERR && change_scroll_region) {
+ if (top != 0
+ && (SP_PARM->_cursrow == top ||
+ SP_PARM->_cursrow == top - 1)
+ && save_cursor && restore_cursor) {
+ cursor_saved = TRUE;
+ NCURSES_PUTP2("save_cursor", save_cursor);
}
- else
- {
- SP->_cursrow = SP->_curscol = -1;
+ NCURSES_PUTP2("change_scroll_region",
+ TPARM_2(change_scroll_region, top, bot));
+ if (cursor_saved) {
+ NCURSES_PUTP2("restore_cursor", restore_cursor);
+ } else {
+ SP_PARM->_cursrow = SP_PARM->_curscol = -1;
}
- res = scroll_csr_backward(-n, top, bot, top, bot, blank);
+ res = scroll_csr_backward(NCURSES_SP_ARGx
+ -n, top, bot, top, bot, blank);
- TPUTS_TRACE("change_scroll_region");
- tputs(tparm(change_scroll_region, 0, maxy), 0, _nc_outch);
- SP->_cursrow = SP->_curscol = -1;
+ NCURSES_PUTP2("change_scroll_region",
+ TPARM_2(change_scroll_region, 0, maxy));
+ SP_PARM->_cursrow = SP_PARM->_curscol = -1;
}
- if (res == ERR && _nc_idlok)
- res = scroll_idl(-n, bot+n+1, top, blank);
+ if (res == ERR && SP_PARM->_nc_sp_idlok)
+ res = scroll_idl(NCURSES_SP_ARGx -n, bot + n + 1, top, blank);
+
+ /*
+ * Clear the newly shifted-in text.
+ */
+ 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(NCURSES_SP_ARGx i + top, 0);
+ ClrToEOL(NCURSES_SP_ARGx blank2, FALSE);
+ }
+ }
}
if (res == ERR)
- return(ERR);
+ return (ERR);
- _nc_scroll_window(curscr, n, top, bot, blank);
+ _nc_scroll_window(CurScreen(SP_PARM), n,
+ (NCURSES_SIZE_T) top,
+ (NCURSES_SIZE_T) bot,
+ blank);
/* shift hash values too - they can be reused */
- _nc_scroll_oldhash(n, top, bot);
+ NCURSES_SP_NAME(_nc_scroll_oldhash) (NCURSES_SP_ARGx n, top, bot);
- return(OK);
+ return (OK);
}
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+_nc_scrolln(int n, int top, int bot, int maxy)
+{
+ return NCURSES_SP_NAME(_nc_scrolln) (CURRENT_SCREEN, n, top, bot, maxy);
+}
+#endif
-void _nc_screen_resume()
+NCURSES_EXPORT(void)
+NCURSES_SP_NAME(_nc_screen_resume) (NCURSES_SP_DCL0)
{
+ assert(SP_PARM);
+
/* make sure terminal is in a sane known state */
- SP->_current_attr = A_NORMAL;
- newscr->_clear = TRUE;
+ SetAttr(SCREEN_ATTRS(SP_PARM), A_NORMAL);
+ NewScreen(SP_PARM)->_clear = TRUE;
+
+ /* reset color pairs and definitions */
+ if (SP_PARM->_coloron || SP_PARM->_color_defs)
+ NCURSES_SP_NAME(_nc_reset_colors) (NCURSES_SP_ARG);
+
+ /* restore user-defined colors, if any */
+ 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) {
+ if (SP_PARM->_color_table[n].init) {
+ _nc_init_color(SP_PARM,
+ n,
+ SP_PARM->_color_table[n].r,
+ SP_PARM->_color_table[n].g,
+ SP_PARM->_color_table[n].b);
+ }
+ }
+ }
- if (SP->_coloron == TRUE && orig_pair)
- putp(orig_pair);
if (exit_attribute_mode)
- putp(exit_attribute_mode);
- else
- {
+ NCURSES_PUTP2("exit_attribute_mode", exit_attribute_mode);
+ else {
/* turn off attributes */
if (exit_alt_charset_mode)
- putp(exit_alt_charset_mode);
+ NCURSES_PUTP2("exit_alt_charset_mode", exit_alt_charset_mode);
if (exit_standout_mode)
- putp(exit_standout_mode);
+ NCURSES_PUTP2("exit_standout_mode", exit_standout_mode);
if (exit_underline_mode)
- putp(exit_underline_mode);
+ NCURSES_PUTP2("exit_underline_mode", exit_underline_mode);
}
if (exit_insert_mode)
- putp(exit_insert_mode);
- if (enter_am_mode && exit_am_mode)
- putp(auto_right_margin ? enter_am_mode : exit_am_mode);
+ NCURSES_PUTP2("exit_insert_mode", exit_insert_mode);
+ if (enter_am_mode && exit_am_mode) {
+ if (auto_right_margin) {
+ NCURSES_PUTP2("enter_am_mode", enter_am_mode);
+ } else {
+ NCURSES_PUTP2("exit_am_mode", exit_am_mode);
+ }
+ }
+}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(void)
+_nc_screen_resume(void)
+{
+ NCURSES_SP_NAME(_nc_screen_resume) (CURRENT_SCREEN);
+}
+#endif
+
+NCURSES_EXPORT(void)
+NCURSES_SP_NAME(_nc_screen_init) (NCURSES_SP_DCL0)
+{
+ NCURSES_SP_NAME(_nc_screen_resume) (NCURSES_SP_ARG);
}
-void _nc_screen_init()
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(void)
+_nc_screen_init(void)
{
- _nc_screen_resume();
+ NCURSES_SP_NAME(_nc_screen_init) (CURRENT_SCREEN);
}
+#endif
/* wrap up screen handling */
-void _nc_screen_wrap()
+NCURSES_EXPORT(void)
+NCURSES_SP_NAME(_nc_screen_wrap) (NCURSES_SP_DCL0)
{
- UpdateAttrs(A_NORMAL);
+ if (SP_PARM != 0) {
+
+ UpdateAttrs(SP_PARM, normal);
+#if NCURSES_EXT_FUNCS
+ if (SP_PARM->_coloron
+ && !SP_PARM->_default_color) {
+ 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,
+ FALSE,
+ NCURSES_SP_NAME(_nc_outch));
+ SP_PARM->_default_color = FALSE;
+
+ TINFO_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) {
+ NCURSES_SP_NAME(_nc_reset_colors) (NCURSES_SP_ARG);
+ }
+ }
}
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(void)
+_nc_screen_wrap(void)
+{
+ NCURSES_SP_NAME(_nc_screen_wrap) (CURRENT_SCREEN);
+}
+#endif
+
#if USE_XMC_SUPPORT
-void _nc_do_xmc_glitch(attr_t previous)
+NCURSES_EXPORT(void)
+NCURSES_SP_NAME(_nc_do_xmc_glitch) (NCURSES_SP_DCLx attr_t previous)
{
- attr_t chg = XMC_CHANGES(previous ^ SP->_current_attr);
+ if (SP_PARM != 0) {
+ attr_t chg = XMC_CHANGES(previous ^ AttrOf(SCREEN_ATTRS(SP_PARM)));
while (chg != 0) {
- if (chg & 1) {
- SP->_curscol += magic_cookie_glitch;
- if (SP->_curscol >= SP->_columns)
- wrap_cursor();
- T(("bumped to %d,%d after cookie", SP->_cursrow, SP->_curscol));
- }
- chg >>= 1;
+ if (chg & 1) {
+ SP_PARM->_curscol += magic_cookie_glitch;
+ if (SP_PARM->_curscol >= SP_PARM->_columns)
+ wrap_cursor(NCURSES_SP_ARG);
+ TR(TRACE_UPDATE, ("bumped to %d,%d after cookie",
+ SP_PARM->_cursrow, SP_PARM->_curscol));
+ }
+ chg >>= 1;
}
+ }
+}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(void)
+_nc_do_xmc_glitch(attr_t previous)
+{
+ NCURSES_SP_NAME(_nc_do_xmc_glitch) (CURRENT_SCREEN, previous);
}
+#endif
+
#endif /* USE_XMC_SUPPORT */
projects / ncurses.git / blobdiff