/****************************************************************************
- * Copyright (c) 1998-2005,2006 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 *
#include <term.h> /* cur_term */
#include <tic.h>
-MODULE_ID("$Id: lib_set_term.c,v 1.91 2006/05/20 14:58:02 tom Exp $")
+MODULE_ID("$Id: lib_set_term.c,v 1.106 2008/03/29 22:47:24 tom Exp $")
NCURSES_EXPORT(SCREEN *)
set_term(SCREEN *screenp)
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;
+ 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);
T((T_CALLED("delscreen(%p)"), sp));
- while (*scan) {
- if (*scan == sp) {
- *scan = sp->_next_screen;
- break;
+ if (sp != 0) {
+ _nc_lock_global(set_SP);
+ while (*scan) {
+ if (*scan == sp) {
+ *scan = sp->_next_screen;
+ break;
+ }
+ scan = &(*scan)->_next_screen;
}
- scan = &(*scan)->_next_screen;
- }
- (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);
+ (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->ent);
+ free(sp->_slk);
+ sp->_slk = 0;
}
- free(sp->_slk);
- sp->_slk = 0;
- }
- _nc_free_keytry(sp->_keytry);
- sp->_keytry = 0;
+ _nc_free_keytry(sp->_keytry);
+ sp->_keytry = 0;
- _nc_free_keytry(sp->_key_ok);
- sp->_key_ok = 0;
+ _nc_free_keytry(sp->_key_ok);
+ sp->_key_ok = 0;
- FreeIfNeeded(sp->_current_attr);
+ FreeIfNeeded(sp->_current_attr);
- 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);
+ 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)
{
/* OS-independent screen initializations */
NCURSES_EXPORT(int)
-_nc_setupscreen(int slines,
- int scolumns,
+_nc_setupscreen(int slines GCC_UNUSED,
+ int scolumns GCC_UNUSED,
FILE *output,
bool filtered,
int slk_format)
{
+ char *env;
int bottom_stolen = 0;
- int 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));
if ((SP->_current_attr = typeCalloc(NCURSES_CH_T, 1)) == 0)
returnCode(ERR);
+ /*
+ * We should always check the screensize, just in case.
+ */
+ _nc_get_screensize(&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 = LINES = 1;
-
+ slines = 1;
+ SET_LINES(slines);
clear_screen = 0;
cursor_down = parm_down_cursor = 0;
cursor_address = 0;
cursor_home = carriage_return;
T(("filter screensize %dx%d", LINES, COLS));
}
-
- /* 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))
- returnCode(ERR);
- }
- }
#ifdef __DJGPP__
T(("setting output mode to binary"));
fflush(output);
}
/* 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());
- {
- char *env = _nc_get_locale();
- SP->_legacy_coding = ((env == 0)
- || !strcmp(env, "C")
- || !strcmp(env, "POSIX"));
- }
#endif
+ 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 < (int) 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)
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