/****************************************************************************
- * Copyright (c) 1998-2001,2002 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2010,2011 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 *
****************************************************************************/
/*
#include <curses.priv.h>
-#if SVR4_TERMIO && !defined(_POSIX_SOURCE)
-#define _POSIX_SOURCE
+#ifndef CUR
+#define CUR SP_TERMTYPE
#endif
-#include <term.h> /* clear_screen, cup & friends, cur_term */
#include <tic.h>
-MODULE_ID("$Id: lib_newterm.c,v 1.56 2002/10/12 15:24:08 tom Exp $")
+MODULE_ID("$Id: lib_newterm.c,v 1.87 2011/04/16 16:42:10 tom Exp $")
+
+#ifdef USE_TERM_DRIVER
+#define NumLabels InfoOf(SP_PARM).numlabels
+#else
+#define NumLabels num_labels
+#endif
#ifndef ONLCR /* Allows compilation under the QNX 4.2 OS */
#define ONLCR 0
* The newterm function also initializes terminal settings, and since initscr
* is supposed to behave as if it calls newterm, we do it here.
*/
-static inline int
-_nc_initscr(void)
+static NCURSES_INLINE int
+_nc_initscr(NCURSES_SP_DCL0)
{
int result = ERR;
+ TERMINAL *term = TerminalOf(SP_PARM);
/* for extended XPG4 conformance requires cbreak() at this point */
/* (SVr4 curses does this anyway) */
- if (cbreak() == OK) {
+ if (NCURSES_SP_NAME(cbreak) (NCURSES_SP_ARG) == OK) {
TTY buf;
- buf = cur_term->Nttyb;
+ buf = term->Nttyb;
#ifdef TERMIOS
- buf.c_lflag &= ~(ECHO | ECHONL);
- buf.c_iflag &= ~(ICRNL | INLCR | IGNCR);
- buf.c_oflag &= ~(ONLCR);
-#else
+ buf.c_lflag &= (unsigned) ~(ECHO | ECHONL);
+ buf.c_iflag &= (unsigned) ~(ICRNL | INLCR | IGNCR);
+ buf.c_oflag &= (unsigned) ~(ONLCR);
+#elif HAVE_SGTTY_H
buf.sg_flags &= ~(ECHO | CRMOD);
+#else
+ memset(&buf, 0, sizeof(buf));
#endif
- if ((result = _nc_set_tty_mode(&buf)) == OK)
- cur_term->Nttyb = buf;
+ result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
+ if (result == OK)
+ term->Nttyb = buf;
}
return result;
}
* aside from possibly delaying a filter() call until some terminals have been
* initialized.
*/
-static int filter_mode = FALSE;
+NCURSES_EXPORT(void)
+NCURSES_SP_NAME(filter) (NCURSES_SP_DCL0)
+{
+ START_TRACE();
+ T((T_CALLED("filter(%p)"), (void *) SP_PARM));
+#if NCURSES_SP_FUNCS
+ if (IsPreScreen(SP_PARM)) {
+ SP_PARM->_filtered = TRUE;
+ }
+#else
+ _nc_prescreen.filter_mode = TRUE;
+#endif
+ returnVoid;
+}
+#if NCURSES_SP_FUNCS
NCURSES_EXPORT(void)
filter(void)
{
- T((T_CALLED("filter")));
- filter_mode = TRUE;
+ START_TRACE();
+ T((T_CALLED("filter()")));
+ _nc_prescreen.filter_mode = TRUE;
returnVoid;
}
+#endif
+
+#if NCURSES_EXT_FUNCS
+/*
+ * An extension, allowing the application to open a new screen without
+ * requiring it to also be filtered.
+ */
+NCURSES_EXPORT(void)
+NCURSES_SP_NAME(nofilter) (NCURSES_SP_DCL0)
+{
+ START_TRACE();
+ T((T_CALLED("nofilter(%p)"), (void *) SP_PARM));
+#if NCURSES_SP_FUNCS
+ if (IsPreScreen(SP_PARM)) {
+ SP_PARM->_filtered = FALSE;
+ }
+#else
+ _nc_prescreen.filter_mode = FALSE;
+#endif
+ returnVoid;
+}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(void)
+nofilter(void)
+{
+ START_TRACE();
+ T((T_CALLED("nofilter()")));
+ _nc_prescreen.filter_mode = FALSE;
+ returnVoid;
+}
+#endif
+#endif /* NCURSES_EXT_FUNCS */
NCURSES_EXPORT(SCREEN *)
-newterm(NCURSES_CONST char *name, FILE * ofp, FILE * ifp)
+NCURSES_SP_NAME(newterm) (NCURSES_SP_DCLx
+ NCURSES_CONST char *name,
+ FILE *ofp,
+ FILE *ifp)
{
+ int value;
int errret;
- int slk_format = _nc_slk_format;
+ SCREEN *result = 0;
SCREEN *current;
+ TERMINAL *its_term;
+ FILE *_ofp = ofp ? ofp : stdout;
+ FILE *_ifp = ifp ? ifp : stdin;
+ int cols;
+ int slk_format;
+ int filter_mode;
+ TERMINAL *new_term = 0;
START_TRACE();
- T((T_CALLED("newterm(\"%s\",%p,%p)"), name, ofp, ifp));
+ T((T_CALLED("newterm(%p, \"%s\", %p,%p)"),
+ (void *) SP_PARM,
+ name,
+ (void *) ofp,
+ (void *) ifp));
+
+#if NCURSES_SP_FUNCS
+ assert(SP_PARM != 0);
+ if (SP_PARM == 0)
+ returnSP(SP_PARM);
+#endif
- /* this loads the capability entry, then sets LINES and COLS */
- if (setupterm(name, fileno(ofp), &errret) == ERR)
- returnSP(0);
+ _nc_init_pthreads();
+ _nc_lock_global(curses);
- /* implement filter mode */
- if (filter_mode) {
- LINES = 1;
+ current = CURRENT_SCREEN;
+ its_term = (current ? current->_term : 0);
- if (VALID_NUMERIC(init_tabs))
- TABSIZE = init_tabs;
- else
- TABSIZE = 8;
+ INIT_TERM_DRIVER();
+ /* this loads the capability entry, then sets LINES and COLS */
+ if (
+#if NCURSES_SP_FUNCS
+ SP_PARM->_prescreen &&
+#endif
+ TINFO_SETUP_TERM(&new_term, name,
+ fileno(_ofp), &errret, FALSE) != ERR) {
- T(("TABSIZE = %d", TABSIZE));
+ _nc_set_screen(0);
+#ifdef USE_TERM_DRIVER
+ assert(new_term != 0);
+#endif
- clear_screen = 0;
- cursor_down = parm_down_cursor = 0;
- cursor_address = 0;
- cursor_up = parm_up_cursor = 0;
- row_address = 0;
+#if NCURSES_SP_FUNCS
+ slk_format = SP_PARM->slk_format;
+ filter_mode = SP_PARM->_filtered;
+#else
+ slk_format = _nc_globals.slk_format;
+ filter_mode = _nc_prescreen.filter_mode;
+#endif
- cursor_home = carriage_return;
- }
+ /*
+ * This actually allocates the screen structure, and saves the original
+ * terminal settings.
+ */
+ if (NCURSES_SP_NAME(_nc_setupscreen) (
+#if NCURSES_SP_FUNCS
+ &SP_PARM,
+#endif
+ *(ptrLines(SP_PARM)),
+ *(ptrCols(SP_PARM)),
+ _ofp,
+ filter_mode,
+ slk_format) == ERR) {
+ _nc_set_screen(current);
+ result = 0;
+ } else {
+#ifdef USE_TERM_DRIVER
+ TERMINAL_CONTROL_BLOCK *TCB;
+#elif !NCURSES_SP_FUNCS
+ _nc_set_screen(CURRENT_SCREEN);
+#endif
+ assert(SP_PARM != 0);
+ cols = *(ptrCols(SP_PARM));
+#ifdef USE_TERM_DRIVER
+ _nc_set_screen(SP_PARM);
+ TCB = (TERMINAL_CONTROL_BLOCK *) new_term;
+ TCB->csp = SP_PARM;
+#endif
+ /*
+ * In setupterm() we did a set_curterm(), but it was before we set
+ * CURRENT_SCREEN. So the "current" screen's terminal pointer was
+ * overwritten with a different terminal. Later, in
+ * _nc_setupscreen(), we set CURRENT_SCREEN and the terminal
+ * pointer in the new screen.
+ *
+ * Restore the terminal-pointer for the pre-existing screen, if
+ * any.
+ */
+ if (current)
+ current->_term = its_term;
+
+#ifdef USE_TERM_DRIVER
+ SP_PARM->_term = new_term;
+#else
+ new_term = SP_PARM->_term;
+#endif
- /* If we must simulate soft labels, grab off the line to be used.
- We assume that we must simulate, if it is none of the standard
- formats (4-4 or 3-2-3) for which there may be some hardware
- support. */
- if (num_labels <= 0 || !SLK_STDFMT(slk_format))
- if (slk_format) {
- if (ERR == _nc_ripoffline(-SLK_LINES(slk_format),
- _nc_slk_initialize))
- returnSP(0);
- }
- /* this actually allocates the screen structure, and saves the
- * original terminal settings.
- */
- current = SP;
- _nc_set_screen(0);
- if (_nc_setupscreen(LINES, COLS, ofp) == ERR) {
- _nc_set_screen(current);
- returnSP(0);
- }
+ /* allow user to set maximum escape delay from the environment */
+ if ((value = _nc_getenv_num("ESCDELAY")) >= 0) {
+ NCURSES_SP_NAME(set_escdelay) (NCURSES_SP_ARGx value);
+ }
- /* if the terminal type has real soft labels, set those up */
- if (slk_format && num_labels > 0 && SLK_STDFMT(slk_format))
- _nc_slk_initialize(stdscr, COLS);
+ /* if the terminal type has real soft labels, set those up */
+ if (slk_format && NumLabels > 0 && SLK_STDFMT(slk_format))
+ _nc_slk_initialize(StdScreen(SP_PARM), cols);
- SP->_ifd = fileno(ifp);
- typeahead(fileno(ifp));
+ SP_PARM->_ifd = fileno(_ifp);
+ NCURSES_SP_NAME(typeahead) (NCURSES_SP_ARGx fileno(_ifp));
#ifdef TERMIOS
- SP->_use_meta = ((cur_term->Ottyb.c_cflag & CSIZE) == CS8 &&
- !(cur_term->Ottyb.c_iflag & ISTRIP));
+ SP_PARM->_use_meta = ((new_term->Ottyb.c_cflag & CSIZE) == CS8 &&
+ !(new_term->Ottyb.c_iflag & ISTRIP));
+#else
+ SP_PARM->_use_meta = FALSE;
+#endif
+ SP_PARM->_endwin = FALSE;
+#ifndef USE_TERM_DRIVER
+ /*
+ * Check whether we can optimize scrolling under dumb terminals in
+ * case we do not have any of these capabilities, scrolling
+ * optimization will be useless.
+ */
+ SP_PARM->_scrolling = ((scroll_forward && scroll_reverse) ||
+ ((parm_rindex ||
+ parm_insert_line ||
+ insert_line) &&
+ (parm_index ||
+ parm_delete_line ||
+ delete_line)));
+#endif
+
+ NCURSES_SP_NAME(baudrate) (NCURSES_SP_ARG); /* sets a field in the screen structure */
+
+ SP_PARM->_keytry = 0;
+
+ /* compute movement costs so we can do better move optimization */
+#ifdef USE_TERM_DRIVER
+ TCBOf(SP_PARM)->drv->scinit(SP_PARM);
#else
- SP->_use_meta = FALSE;
-#endif
- SP->_endwin = FALSE;
-
- /* Check whether we can optimize scrolling under dumb terminals in case
- * we do not have any of these capabilities, scrolling optimization
- * will be useless.
- */
- SP->_scrolling = ((scroll_forward && scroll_reverse) ||
- ((parm_rindex || parm_insert_line || insert_line) &&
- (parm_index || parm_delete_line || delete_line)));
-
- baudrate(); /* sets a field in the SP structure */
-
- SP->_keytry = 0;
-
- /*
- * Check for mismatched graphic-rendition capabilities. Most SVr4
- * terminfo trees contain entries that have rmul or rmso equated to
- * sgr0 (Solaris curses copes with those entries). We do this only for
- * curses, since many termcap applications assume that smso/rmso and
- * smul/rmul are paired, and will not function properly if we remove
- * rmso or rmul. Curses applications shouldn't be looking at this
- * detail.
- */
+ /*
+ * Check for mismatched graphic-rendition capabilities. Most SVr4
+ * terminfo trees contain entries that have rmul or rmso equated to
+ * sgr0 (Solaris curses copes with those entries). We do this only
+ * for curses, since many termcap applications assume that
+ * smso/rmso and smul/rmul are paired, and will not function
+ * properly if we remove rmso or rmul. Curses applications
+ * shouldn't be looking at this detail.
+ */
#define SGR0_TEST(mode) (mode != 0) && (exit_attribute_mode == 0 || strcmp(mode, exit_attribute_mode))
- SP->_use_rmso = SGR0_TEST(exit_standout_mode);
- SP->_use_rmul = SGR0_TEST(exit_underline_mode);
+ SP_PARM->_use_rmso = SGR0_TEST(exit_standout_mode);
+ SP_PARM->_use_rmul = SGR0_TEST(exit_underline_mode);
- /* compute movement costs so we can do better move optimization */
- _nc_mvcur_init();
+ /* compute movement costs so we can do better move optimization */
+ _nc_mvcur_init();
- /* initialize terminal to a sane state */
- _nc_screen_init();
+ /* initialize terminal to a sane state */
+ _nc_screen_init();
+#endif
- /* Initialize the terminal line settings. */
- _nc_initscr();
+ /* Initialize the terminal line settings. */
+ _nc_initscr(NCURSES_SP_ARG);
- _nc_signal_handler(TRUE);
+ _nc_signal_handler(TRUE);
+ result = SP_PARM;
+ }
+ }
+ _nc_unlock_global(curses);
+ returnSP(result);
+}
- returnSP(SP);
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(SCREEN *)
+newterm(NCURSES_CONST char *name, FILE *ofp, FILE *ifp)
+{
+ return NCURSES_SP_NAME(newterm) (CURRENT_SCREEN_PRE, name, ofp, ifp);
}
+#endif
projects / ncurses.git / blobdiff