/****************************************************************************
- * Copyright (c) 1998-2001,2002 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2007,2008 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 *
****************************************************************************/
/*
#include <term.h> /* cur_term */
#include <tic.h>
-MODULE_ID("$Id: lib_set_term.c,v 1.71 2002/09/14 22:48:00 tom Exp $")
+MODULE_ID("$Id: lib_set_term.c,v 1.109 2008/05/31 20:11:26 tom Exp $")
NCURSES_EXPORT(SCREEN *)
-set_term(SCREEN * screenp)
+set_term(SCREEN *screenp)
{
SCREEN *oldSP;
T((T_CALLED("set_term(%p)"), screenp));
+ _nc_lock_global(set_SP);
+
oldSP = SP;
_nc_set_screen(screenp);
- set_curterm(SP->_term);
- curscr = SP->_curscr;
- newscr = SP->_newscr;
- stdscr = SP->_stdscr;
- COLORS = SP->_color_count;
- COLOR_PAIRS = SP->_pair_count;
- memcpy(acs_map, SP->_acs_map, sizeof(SP->_acs_map[0]) * ACS_LEN);
+ if (SP != 0) {
+ set_curterm(SP->_term);
+#if !USE_REENTRANT
+ curscr = SP->_curscr;
+ newscr = SP->_newscr;
+ stdscr = SP->_stdscr;
+ COLORS = SP->_color_count;
+ COLOR_PAIRS = SP->_pair_count;
+#endif
+ } else {
+ set_curterm(0);
+#if !USE_REENTRANT
+ curscr = 0;
+ newscr = 0;
+ stdscr = 0;
+ COLORS = 0;
+ COLOR_PAIRS = 0;
+#endif
+ }
+
+ _nc_unlock_global(set_SP);
T((T_RETURN("%p"), oldSP));
return (oldSP);
}
static void
-_nc_free_keytry(struct tries *kt)
+_nc_free_keytry(TRIES * kt)
{
if (kt != 0) {
_nc_free_keytry(kt->child);
}
}
+static bool
+delink_screen(SCREEN *sp)
+{
+ SCREEN *last = 0;
+ SCREEN *temp;
+ bool result = FALSE;
+
+ for (each_screen(temp)) {
+ if (temp == sp) {
+ if (last)
+ last = sp->_next_screen;
+ else
+ _nc_screen_chain = sp->_next_screen;
+ result = TRUE;
+ break;
+ }
+ last = temp;
+ }
+ return result;
+}
+
/*
* Free the storage associated with the given SCREEN sp.
*/
NCURSES_EXPORT(void)
-delscreen(SCREEN * sp)
+delscreen(SCREEN *sp)
{
- SCREEN **scan = &_nc_screen_chain;
+ int i;
T((T_CALLED("delscreen(%p)"), sp));
- while (*scan) {
- if (*scan == sp) {
- *scan = sp->_next_screen;
- break;
+ _nc_lock_global(set_SP);
+ if (delink_screen(sp)) {
+
+ (void) _nc_freewin(sp->_curscr);
+ (void) _nc_freewin(sp->_newscr);
+ (void) _nc_freewin(sp->_stdscr);
+
+ if (sp->_slk != 0) {
+ if (sp->_slk->ent != 0) {
+ for (i = 0; i < sp->_slk->labcnt; ++i) {
+ FreeIfNeeded(sp->_slk->ent[i].ent_text);
+ FreeIfNeeded(sp->_slk->ent[i].form_text);
+ }
+ free(sp->_slk->ent);
+ }
+ free(sp->_slk);
+ sp->_slk = 0;
}
- scan = &(*scan)->_next_screen;
- }
- (void) _nc_freewin(sp->_curscr);
- (void) _nc_freewin(sp->_newscr);
- (void) _nc_freewin(sp->_stdscr);
+ _nc_free_keytry(sp->_keytry);
+ sp->_keytry = 0;
- if (sp->_slk != 0) {
- FreeIfNeeded(sp->_slk->ent);
- FreeIfNeeded(sp->_slk->buffer);
- free(sp->_slk);
- sp->_slk = 0;
- }
+ _nc_free_keytry(sp->_key_ok);
+ sp->_key_ok = 0;
- _nc_free_keytry(sp->_keytry);
- sp->_keytry = 0;
+ FreeIfNeeded(sp->_current_attr);
- _nc_free_keytry(sp->_key_ok);
- sp->_key_ok = 0;
+ FreeIfNeeded(sp->_color_table);
+ FreeIfNeeded(sp->_color_pairs);
- FreeIfNeeded(sp->_color_table);
- FreeIfNeeded(sp->_color_pairs);
+ FreeIfNeeded(sp->oldhash);
+ FreeIfNeeded(sp->newhash);
+ FreeIfNeeded(sp->hashtab);
- FreeIfNeeded(sp->oldhash);
- FreeIfNeeded(sp->newhash);
- FreeIfNeeded(sp->hashtab);
+ FreeIfNeeded(sp->_acs_map);
+ FreeIfNeeded(sp->_screen_acs_map);
- del_curterm(sp->_term);
+ del_curterm(sp->_term);
- /*
- * If the associated output stream has been closed, we can discard the
- * set-buffer. Limit the error check to EBADF, since fflush may fail
- * for other reasons than trying to operate upon a closed stream.
- */
- if (sp->_ofp != 0
- && sp->_setbuf != 0
- && fflush(sp->_ofp) != 0
- && errno == EBADF) {
- free(sp->_setbuf);
- }
+ /*
+ * If the associated output stream has been closed, we can discard the
+ * set-buffer. Limit the error check to EBADF, since fflush may fail
+ * for other reasons than trying to operate upon a closed stream.
+ */
+ if (sp->_ofp != 0
+ && sp->_setbuf != 0
+ && fflush(sp->_ofp) != 0
+ && errno == EBADF) {
+ free(sp->_setbuf);
+ }
- free(sp);
+ free(sp);
- /*
- * If this was the current screen, reset everything that the
- * application might try to use (except cur_term, which may have
- * multiple references in different screens).
- */
- if (sp == SP) {
- curscr = 0;
- newscr = 0;
- stdscr = 0;
- COLORS = 0;
- COLOR_PAIRS = 0;
- _nc_set_screen(0);
+ /*
+ * If this was the current screen, reset everything that the
+ * application might try to use (except cur_term, which may have
+ * multiple references in different screens).
+ */
+ if (sp == SP) {
+#if !USE_REENTRANT
+ curscr = 0;
+ newscr = 0;
+ stdscr = 0;
+ COLORS = 0;
+ COLOR_PAIRS = 0;
+#endif
+ _nc_set_screen(0);
+ }
}
+ _nc_unlock_global(set_SP);
+
returnVoid;
}
-static ripoff_t rippedoff[5];
-static ripoff_t *rsp = rippedoff;
-#define N_RIPS SIZEOF(SP->_rippedoff)
-
static bool
-no_mouse_event(SCREEN * sp GCC_UNUSED)
+no_mouse_event(SCREEN *sp GCC_UNUSED)
{
return FALSE;
}
static bool
-no_mouse_inline(SCREEN * sp GCC_UNUSED)
+no_mouse_inline(SCREEN *sp GCC_UNUSED)
{
return FALSE;
}
static bool
-no_mouse_parse(int code GCC_UNUSED)
+no_mouse_parse(SCREEN *sp GCC_UNUSED, int code GCC_UNUSED)
{
return TRUE;
}
static void
-no_mouse_resume(SCREEN * sp GCC_UNUSED)
+no_mouse_resume(SCREEN *sp GCC_UNUSED)
{
}
static void
-no_mouse_wrap(SCREEN * sp GCC_UNUSED)
+no_mouse_wrap(SCREEN *sp GCC_UNUSED)
{
}
}
#endif
-NCURSES_EXPORT(int)
-_nc_setupscreen(short slines, short const scolumns, FILE * output)
/* OS-independent screen initializations */
+NCURSES_EXPORT(int)
+_nc_setupscreen(int slines GCC_UNUSED,
+ int scolumns GCC_UNUSED,
+ FILE *output,
+ bool filtered,
+ int slk_format)
{
+ char *env;
int bottom_stolen = 0;
- size_t i;
+ bool support_cookies = USE_XMC_SUPPORT;
+ ripoff_t *rop;
+
+ T((T_CALLED("_nc_setupscreen(%d, %d, %p, %d, %d)"),
+ slines, scolumns, output, filtered, slk_format));
- T((T_CALLED("_nc_setupscreen(%d, %d, %p)"), slines, scolumns, output));
assert(SP == 0); /* has been reset in newterm() ! */
- if (!_nc_alloc_screen())
+ if (!_nc_alloc_screen()
+ || ((SP->_acs_map = typeCalloc(chtype, ACS_LEN)) == 0)
+ || ((SP->_screen_acs_map = typeCalloc(bool, ACS_LEN)) == 0)) {
returnCode(ERR);
+ }
+ T(("created SP %p", SP));
SP->_next_screen = _nc_screen_chain;
_nc_screen_chain = SP;
+ if ((SP->_current_attr = typeCalloc(NCURSES_CH_T, 1)) == 0)
+ returnCode(ERR);
+
+ /*
+ * We should always check the screensize, just in case.
+ */
+ _nc_get_screensize(SP, &slines, &scolumns);
+ SET_LINES(slines);
+ SET_COLS(scolumns);
+ T((T_CREATE("screen %s %dx%d"), termname(), LINES, COLS));
+
+ SP->_filtered = filtered;
+
+ /* implement filter mode */
+ if (filtered) {
+ slines = 1;
+ SET_LINES(slines);
+ clear_screen = 0;
+ cursor_down = parm_down_cursor = 0;
+ cursor_address = 0;
+ cursor_up = parm_up_cursor = 0;
+ row_address = 0;
+
+ cursor_home = carriage_return;
+ T(("filter screensize %dx%d", LINES, COLS));
+ }
+#ifdef __DJGPP__
+ T(("setting output mode to binary"));
+ fflush(output);
+ setmode(output, O_BINARY);
+#endif
_nc_set_buffer(output, TRUE);
SP->_term = cur_term;
SP->_lines = slines;
SP->_panelHook.stdscr_pseudo_panel = (struct panel *) 0;
/*
- * If we've no magic cookie support, we suppress attributes that xmc
- * would affect, i.e., the attributes that affect the rendition of a
- * space. Note that this impacts the alternate character set mapping
- * as well.
+ * If we've no magic cookie support, we suppress attributes that xmc would
+ * affect, i.e., the attributes that affect the rendition of a space.
+ */
+ SP->_ok_attributes = termattrs();
+ if (has_colors()) {
+ SP->_ok_attributes |= A_COLOR;
+ }
+#if USE_XMC_SUPPORT
+ /*
+ * If we have no magic-cookie support compiled-in, or if it is suppressed
+ * in the environment, reset the support-flag.
*/
- if (magic_cookie_glitch > 0) {
-
- SP->_xmc_triggers = termattrs() & (
- A_ALTCHARSET |
- A_BLINK |
- A_BOLD |
- A_REVERSE |
- A_STANDOUT |
- A_UNDERLINE
+ if (magic_cookie_glitch >= 0) {
+ if (getenv("NCURSES_NO_MAGIC_COOKIE") != 0) {
+ support_cookies = FALSE;
+ }
+ }
+#endif
+
+ if (!support_cookies && magic_cookie_glitch >= 0) {
+ T(("will disable attributes to work w/o magic cookies"));
+ }
+
+ if (magic_cookie_glitch > 0) { /* tvi, wyse */
+
+ SP->_xmc_triggers = SP->_ok_attributes & (
+ A_STANDOUT |
+ A_UNDERLINE |
+ A_REVERSE |
+ A_BLINK |
+ A_DIM |
+ A_BOLD |
+ A_INVIS |
+ A_PROTECT
);
+#if 0
+ /*
+ * We "should" treat colors as an attribute. The wyse350 (and its
+ * clones) appear to be the only ones that have both colors and magic
+ * cookies.
+ */
+ if (has_colors()) {
+ SP->_xmc_triggers |= A_COLOR;
+ }
+#endif
SP->_xmc_suppress = SP->_xmc_triggers & (chtype) ~(A_BOLD);
T(("magic cookie attributes %s", _traceattr(SP->_xmc_suppress)));
+ /*
+ * Supporting line-drawing may be possible. But make the regular
+ * video attributes work first.
+ */
+ acs_chars = ABSENT_STRING;
+ ena_acs = ABSENT_STRING;
+ enter_alt_charset_mode = ABSENT_STRING;
+ exit_alt_charset_mode = ABSENT_STRING;
#if USE_XMC_SUPPORT
/*
- * To keep this simple, suppress all of the optimization hooks
- * except for clear_screen and the cursor addressing.
+ * To keep the cookie support simple, suppress all of the optimization
+ * hooks except for clear_screen and the cursor addressing.
*/
- clr_eol = 0;
- clr_eos = 0;
- set_attributes = 0;
-#else
- magic_cookie_glitch = ABSENT_NUMERIC;
- acs_chars = 0;
+ if (support_cookies) {
+ clr_eol = ABSENT_STRING;
+ clr_eos = ABSENT_STRING;
+ set_attributes = ABSENT_STRING;
+ }
#endif
+ } else if (magic_cookie_glitch == 0) { /* hpterm */
+ }
+
+ /*
+ * If magic cookies are not supported, cancel the strings that set
+ * video attributes.
+ */
+ if (!support_cookies && magic_cookie_glitch >= 0) {
+ magic_cookie_glitch = ABSENT_NUMERIC;
+ set_attributes = ABSENT_STRING;
+ enter_blink_mode = ABSENT_STRING;
+ enter_bold_mode = ABSENT_STRING;
+ enter_dim_mode = ABSENT_STRING;
+ enter_reverse_mode = ABSENT_STRING;
+ enter_standout_mode = ABSENT_STRING;
+ enter_underline_mode = ABSENT_STRING;
}
/* initialize normal acs before wide, since we use mapping in the latter */
+#if !USE_WIDEC_SUPPORT
+ if (_nc_unicode_locale() && _nc_locale_breaks_acs()) {
+ acs_chars = NULL;
+ ena_acs = NULL;
+ enter_alt_charset_mode = NULL;
+ exit_alt_charset_mode = NULL;
+ set_attributes = NULL;
+ }
+#endif
_nc_init_acs();
#if USE_WIDEC_SUPPORT
_nc_init_wacs();
+
+ SP->_screen_acs_fix = (_nc_unicode_locale() && _nc_locale_breaks_acs());
#endif
- memcpy(SP->_acs_map, acs_map, sizeof(chtype) * ACS_LEN);
+ env = _nc_get_locale();
+ SP->_legacy_coding = ((env == 0)
+ || !strcmp(env, "C")
+ || !strcmp(env, "POSIX"));
+ T(("legacy-coding %d", SP->_legacy_coding));
_nc_idcok = TRUE;
_nc_idlok = FALSE;
- _nc_windows = 0; /* no windows yet */
-
SP->oldhash = 0;
SP->newhash = 0;
T(("creating newscr"));
- if ((newscr = newwin(slines, scolumns, 0, 0)) == 0)
+ if ((SP->_newscr = newwin(slines, scolumns, 0, 0)) == 0)
returnCode(ERR);
T(("creating curscr"));
- if ((curscr = newwin(slines, scolumns, 0, 0)) == 0)
+ if ((SP->_curscr = newwin(slines, scolumns, 0, 0)) == 0)
returnCode(ERR);
- SP->_newscr = newscr;
- SP->_curscr = curscr;
+#if !USE_REENTRANT
+ newscr = SP->_newscr;
+ curscr = SP->_curscr;
+#endif
#if USE_SIZECHANGE
SP->_resize = resizeterm;
#endif
def_shell_mode();
def_prog_mode();
- for (i = 0, rsp = rippedoff; rsp->line && (i < N_RIPS); rsp++, i++) {
- T(("ripping off line %d at %s", i, rsp->line < 0 ? "bottom" : "top"));
- SP->_rippedoff[i] = rippedoff[i];
- if (rsp->hook) {
- int count = (rsp->line < 0) ? -rsp->line : rsp->line;
-
- SP->_rippedoff[i].w = newwin(count,
- scolumns,
- ((rsp->line < 0)
- ? SP->_lines_avail - count
- : 0),
- 0);
- if (SP->_rippedoff[i].w != 0)
- SP->_rippedoff[i].hook(SP->_rippedoff[i].w, scolumns);
- else
+ for (rop = ripoff_stack;
+ rop != ripoff_sp && (rop - ripoff_stack) < N_RIPS;
+ rop++) {
+
+ /* 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 (rop->hook == _nc_slk_initialize)
+ if (!(num_labels <= 0 || !SLK_STDFMT(slk_format)))
+ continue;
+ if (rop->hook) {
+ int count;
+ WINDOW *w;
+
+ count = (rop->line < 0) ? -rop->line : rop->line;
+ T(("ripping off %i lines at %s", count,
+ ((rop->line < 0)
+ ? "bottom"
+ : "top")));
+
+ w = newwin(count, scolumns,
+ ((rop->line < 0)
+ ? SP->_lines_avail - count
+ : 0),
+ 0);
+ if (w) {
+ rop->win = w;
+ rop->hook(w, scolumns);
+ } else {
returnCode(ERR);
- if (rsp->line < 0)
+ }
+ if (rop->line < 0)
bottom_stolen += count;
else
SP->_topstolen += count;
SP->_lines_avail -= count;
}
- rsp->line = 0;
}
- SP->_rip_count = i;
/* reset the stack */
- rsp = rippedoff;
+ ripoff_sp = ripoff_stack;
T(("creating stdscr"));
assert((SP->_lines_avail + SP->_topstolen + bottom_stolen) == slines);
- if ((stdscr = newwin(LINES = SP->_lines_avail, scolumns, 0, 0)) == 0)
+ if ((SP->_stdscr = newwin(SP->_lines_avail, scolumns, 0, 0)) == 0)
returnCode(ERR);
- SP->_stdscr = stdscr;
+
+ SET_LINES(SP->_lines_avail);
+#if !USE_REENTRANT
+ stdscr = SP->_stdscr;
+#endif
returnCode(OK);
}
-/* The internal implementation interprets line as the number of
- lines to rip off from the top or bottom.
- */
+/*
+ * The internal implementation interprets line as the number of lines to rip
+ * off from the top or bottom.
+ */
NCURSES_EXPORT(int)
_nc_ripoffline(int line, int (*init) (WINDOW *, int))
{
if (line != 0) {
- if (rsp >= rippedoff + N_RIPS)
+ if (ripoff_sp == 0)
+ ripoff_sp = ripoff_stack;
+ if (ripoff_sp >= ripoff_stack + N_RIPS)
returnCode(ERR);
- rsp->line = line;
- rsp->hook = init;
- rsp->w = 0;
- rsp++;
+ ripoff_sp->line = line;
+ ripoff_sp->hook = init;
+ ripoff_sp++;
}
returnCode(OK);
NCURSES_EXPORT(int)
ripoffline(int line, int (*init) (WINDOW *, int))
{
+ START_TRACE();
T((T_CALLED("ripoffline(%d,%p)"), line, init));
if (line == 0)
projects / ncurses.git / blobdiff