/****************************************************************************
- * Copyright (c) 1998-2004,2005 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2008,2009 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 1996-2003 *
+ * and: Thomas E. Dickey 1996-on *
+ * and: Juergen Pfeifer 2009 *
****************************************************************************/
/*
#include <term.h> /* lines, columns, cur_term */
-MODULE_ID("$Id: lib_setup.c,v 1.88 2005/03/12 19:41:45 tom Exp $")
+MODULE_ID("$Id: lib_setup.c,v 1.117 2009/06/06 17:56:31 tom Exp $")
/****************************************************************************
*
# endif
#endif
+/*
+ * Reduce explicit use of "cur_term" global variable.
+ */
+#undef CUR
+#define CUR termp->type.
+
+/*
+ * Wrap global variables in this module.
+ */
+#if USE_REENTRANT
+NCURSES_EXPORT(char *)
+NCURSES_PUBLIC_VAR(ttytype) (void)
+{
+ static char empty[] = "";
+ return cur_term ? cur_term->type.term_names : empty;
+}
+NCURSES_EXPORT(int *)
+_nc_ptr_Lines(SCREEN *sp)
+{
+ return ptrLines(sp);
+}
+NCURSES_EXPORT(int)
+NCURSES_PUBLIC_VAR(LINES) (void)
+{
+ return *_nc_ptr_Lines(CURRENT_SCREEN);
+}
+NCURSES_EXPORT(int *)
+_nc_ptr_Cols(SCREEN *sp)
+{
+ return ptrCols(sp);
+}
+NCURSES_EXPORT(int)
+NCURSES_PUBLIC_VAR(COLS) (void)
+{
+ return *_nc_ptr_Cols(CURRENT_SCREEN);
+}
+NCURSES_EXPORT(int *)
+_nc_ptr_Tabsize(SCREEN *sp)
+{
+ return ptrTabsize(sp);
+}
+NCURSES_EXPORT(int)
+NCURSES_PUBLIC_VAR(TABSIZE) (void)
+{
+ return *_nc_ptr_Tabsize(CURRENT_SCREEN);
+}
+#else
NCURSES_EXPORT_VAR(char) ttytype[NAMESIZE] = "";
NCURSES_EXPORT_VAR(int) LINES = 0;
NCURSES_EXPORT_VAR(int) COLS = 0;
-NCURSES_EXPORT_VAR(int) TABSIZE = 0;
+NCURSES_EXPORT_VAR(int) TABSIZE = 8;
+#endif
+
+#if NCURSES_EXT_FUNCS
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(set_tabsize) (NCURSES_SP_DCLx int value)
+{
+ int code = OK;
+#if USE_REENTRANT
+ if (SP_PARM) {
+ SP_PARM->_TABSIZE = value;
+ } else {
+ code = ERR;
+ }
+#else
+ (void) SP_PARM;
+ TABSIZE = value;
+#endif
+ return code;
+}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+set_tabsize(int value)
+{
+ return NCURSES_SP_NAME(set_tabsize) (CURRENT_SCREEN, value);
+}
+#endif
+#endif /* NCURSES_EXT_FUNCS */
+
+#if USE_SIGWINCH
+/*
+ * If we have a pending SIGWINCH, set the flag in each screen.
+ */
+NCURSES_EXPORT(int)
+_nc_handle_sigwinch(SCREEN *sp)
+{
+ SCREEN *scan;
+
+ if (_nc_globals.have_sigwinch) {
+ _nc_globals.have_sigwinch = 0;
+
+ for (each_screen(scan)) {
+ scan->_sig_winch = TRUE;
+ }
+ }
+
+ return (sp ? sp->_sig_winch : 0);
+}
-static int _use_env = TRUE;
+#endif
NCURSES_EXPORT(void)
-use_env(bool f)
+NCURSES_SP_NAME(use_env) (NCURSES_SP_DCLx bool f)
{
T((T_CALLED("use_env()")));
- _use_env = f;
+ if (IsPreScreen(SP_PARM)) {
+ SP_PARM->_use_env = f;
+ } else {
+ _nc_prescreen.use_env = f;
+ }
returnVoid;
}
-static void
-_nc_get_screensize(int *linep, int *colp)
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(void)
+use_env(bool f)
+{
+ NCURSES_SP_NAME(use_env) (CURRENT_SCREEN, f);
+}
+#endif
+
+NCURSES_EXPORT(void)
+_nc_get_screensize(SCREEN *sp, int *linep, int *colp)
/* Obtain lines/columns values from the environment and/or terminfo entry */
{
+ TERMINAL *termp = cur_term;
+ int my_tabsize;
+
/* figure out the size of the screen */
T(("screen size: terminfo lines = %d columns = %d", lines, columns));
- if (!_use_env) {
+ if (!_nc_prescreen.use_env) {
*linep = (int) lines;
*colp = (int) columns;
} else { /* usually want to query LINES and COLUMNS from environment */
* environment variable.
*/
if (*linep <= 0)
- *linep = WINSIZE_ROWS(size);
+ *linep = (sp != 0 && sp->_filtered) ? 1 : WINSIZE_ROWS(size);
if (*colp <= 0)
*colp = WINSIZE_COLS(size);
}
T(("screen size is %dx%d", *linep, *colp));
if (VALID_NUMERIC(init_tabs))
- TABSIZE = (int) init_tabs;
+ my_tabsize = (int) init_tabs;
else
- TABSIZE = 8;
+ my_tabsize = 8;
+
+#if USE_REENTRANT
+ if (sp != 0)
+ sp->_TABSIZE = my_tabsize;
+#else
+ TABSIZE = my_tabsize;
+#endif
T(("TABSIZE = %d", TABSIZE));
}
#if USE_SIZECHANGE
NCURSES_EXPORT(void)
-_nc_update_screensize(void)
+_nc_update_screensize(SCREEN *sp)
{
+ TERMINAL *termp = cur_term;
int old_lines = lines;
int new_lines;
int old_cols = columns;
int new_cols;
- _nc_get_screensize(&new_lines, &new_cols);
+ _nc_get_screensize(sp, &new_lines, &new_cols);
/*
* See is_term_resized() and resizeterm().
* We're doing it this way because those functions belong to the upper
* ncurses library, while this resides in the lower terminfo library.
*/
- if (SP != 0
- && SP->_resize != 0) {
+ if (sp != 0
+ && sp->_resize != 0) {
if ((new_lines != old_lines) || (new_cols != old_cols))
- SP->_resize(new_lines, new_cols);
- SP->_sig_winch = FALSE;
+ sp->_resize(NCURSES_SP_ARGx new_lines, new_cols);
+ sp->_sig_winch = FALSE;
}
}
#endif
}
#if USE_DATABASE || USE_TERMCAP
+/*
+ * Return 1 if entry found, 0 if not found, -1 if database not accessible,
+ * just like tgetent().
+ */
static int
grab_entry(const char *const tn, TERMTYPE *const tp)
-/* return 1 if entry found, 0 if not found, -1 if database not accessible */
{
-#if USE_DATABASE
char filename[PATH_MAX];
-#endif
- int status;
-
- /*
- * $TERM shouldn't contain pathname delimiters.
- */
- if (strchr(tn, '/'))
- return 0;
-
-#if USE_DATABASE
- if ((status = _nc_read_entry(tn, filename, tp)) != 1) {
-
-#if !PURE_TERMINFO
- /*
- * Try falling back on the termcap file.
- * Note: allowing this call links the entire terminfo/termcap
- * compiler into the startup code. It's preferable to build a
- * real terminfo database and use that.
- */
- status = _nc_read_termcap_entry(tn, tp);
-#endif /* PURE_TERMINFO */
-
- }
-#else
- status = _nc_read_termcap_entry(tn, tp);
-#endif
+ int status = _nc_read_entry(tn, filename, tp);
/*
* If we have an entry, force all of the cancelled strings to null
* (The terminfo compiler bypasses this logic, since it must know if
* a string is cancelled, for merging entries).
*/
- if (status == 1) {
+ if (status == TGETENT_YES) {
unsigned n;
for_each_boolean(n, tp) {
if (!VALID_BOOLEAN(tp->Booleans[n]))
**
** Take the real command character out of the CC environment variable
** and substitute it in for the prototype given in 'command_character'.
-**
*/
static void
-do_prototype(void)
+do_prototype(TERMINAL * termp)
{
- int i;
+ unsigned i;
char CC;
char proto;
char *tmp;
- tmp = getenv("CC");
- CC = *tmp;
- proto = *command_character;
+ if ((tmp = getenv("CC")) != 0) {
+ if ((CC = *tmp) != 0) {
+ proto = *command_character;
- for_each_string(i, &(cur_term->type)) {
- for (tmp = cur_term->type.Strings[i]; *tmp; tmp++) {
- if (*tmp == proto)
- *tmp = CC;
+ for_each_string(i, &(termp->type)) {
+ for (tmp = termp->type.Strings[i]; *tmp; tmp++) {
+ if (*tmp == proto)
+ *tmp = CC;
+ }
+ }
}
}
}
* character set.
*/
NCURSES_EXPORT(int)
-_nc_locale_breaks_acs(void)
+_nc_locale_breaks_acs(TERMINAL * termp)
{
char *env;
}
/*
- * This entrypoint is called from tgetent() to allow special a case of reusing
+ * This entrypoint is called from tgetent() to allow a special case of reusing
* the same TERMINAL data (see comment).
*/
NCURSES_EXPORT(int)
_nc_setupterm(NCURSES_CONST char *tname, int Filedes, int *errret, bool reuse)
{
+ TERMINAL *termp;
int status;
START_TRACE();
if (tname == 0) {
tname = getenv("TERM");
if (tname == 0 || *tname == '\0') {
- ret_error0(-1, "TERM environment variable not set.\n");
+ ret_error0(TGETENT_ERR, "TERM environment variable not set.\n");
}
}
+
if (strlen(tname) > MAX_NAME_SIZE) {
- ret_error(-1, "TERM environment must be <= %d characters.\n",
+ ret_error(TGETENT_ERR,
+ "TERM environment must be <= %d characters.\n",
MAX_NAME_SIZE);
}
* properly with this feature).
*/
if (reuse
- && cur_term != 0
- && cur_term->Filedes == Filedes
- && cur_term->_termname != 0
- && !strcmp(cur_term->_termname, tname)
- && _nc_name_match(cur_term->type.term_names, tname, "|")) {
+ && (termp = cur_term) != 0
+ && termp->Filedes == Filedes
+ && termp->_termname != 0
+ && !strcmp(termp->_termname, tname)
+ && _nc_name_match(termp->type.term_names, tname, "|")) {
T(("reusing existing terminal information and mode-settings"));
} else {
- TERMINAL *term_ptr;
- term_ptr = typeCalloc(TERMINAL, 1);
+ termp = typeCalloc(TERMINAL, 1);
- if (term_ptr == 0) {
- ret_error0(-1,
+ if (termp == 0) {
+ ret_error0(TGETENT_ERR,
"Not enough memory to create terminal structure.\n");
}
#if USE_DATABASE || USE_TERMCAP
- status = grab_entry(tname, &term_ptr->type);
+ status = grab_entry(tname, &termp->type);
#else
- status = 0;
+ status = TGETENT_NO;
#endif
/* try fallback list if entry on disk */
- if (status != 1) {
+ if (status != TGETENT_YES) {
const TERMTYPE *fallback = _nc_fallback(tname);
if (fallback) {
- term_ptr->type = *fallback;
- status = 1;
+ termp->type = *fallback;
+ status = TGETENT_YES;
}
}
- if (status <= 0) {
- del_curterm(term_ptr);
- if (status == -1) {
- ret_error0(-1, "terminals database is inaccessible\n");
- } else if (status == 0) {
- ret_error(0, "'%s': unknown terminal type.\n", tname);
+ if (status != TGETENT_YES) {
+ del_curterm(termp);
+ if (status == TGETENT_ERR) {
+ ret_error0(status, "terminals database is inaccessible\n");
+ } else if (status == TGETENT_NO) {
+ ret_error(status, "'%s': unknown terminal type.\n", tname);
}
}
+#if !USE_REENTRANT
+ strncpy(ttytype, termp->type.term_names, NAMESIZE - 1);
+ ttytype[NAMESIZE - 1] = '\0';
+#endif
- set_curterm(term_ptr);
+ termp->Filedes = Filedes;
+ termp->_termname = strdup(tname);
- if (command_character && getenv("CC"))
- do_prototype();
+ set_curterm(termp);
- strncpy(ttytype, cur_term->type.term_names, NAMESIZE - 1);
- ttytype[NAMESIZE - 1] = '\0';
-
- cur_term->Filedes = Filedes;
- cur_term->_termname = strdup(tname);
+ if (command_character && getenv("CC"))
+ do_prototype(termp);
/*
* If an application calls setupterm() rather than initscr() or
/*
* We should always check the screensize, just in case.
*/
- _nc_get_screensize(&LINES, &COLS);
+ _nc_get_screensize(SP, ptrLines(SP), ptrCols(SP));
if (errret)
- *errret = 1;
-
- T((T_CREATE("screen %s %dx%d"), tname, LINES, COLS));
+ *errret = TGETENT_YES;
if (generic_type) {
- ret_error(0, "'%s': I need something more specific.\n", tname);
+ ret_error(TGETENT_NO, "'%s': I need something more specific.\n", tname);
}
if (hard_copy) {
- ret_error(1, "'%s': I can't handle hardcopy terminals.\n", tname);
+ ret_error(TGETENT_YES, "'%s': I can't handle hardcopy terminals.\n", tname);
}
returnCode(OK);
}
*
* Find and read the appropriate object file for the terminal
* Make cur_term point to the structure.
- *
*/
-
NCURSES_EXPORT(int)
setupterm(NCURSES_CONST char *tname, int Filedes, int *errret)
{
projects / ncurses.git / blobdiff