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Diffstat (limited to 'contrib/ncurses/ncurses/base/lib_set_term.c')
-rw-r--r--contrib/ncurses/ncurses/base/lib_set_term.c300
1 files changed, 226 insertions, 74 deletions
diff --git a/contrib/ncurses/ncurses/base/lib_set_term.c b/contrib/ncurses/ncurses/base/lib_set_term.c
index f3940fa03c1c..bcc42d12298c 100644
--- a/contrib/ncurses/ncurses/base/lib_set_term.c
+++ b/contrib/ncurses/ncurses/base/lib_set_term.c
@@ -1,5 +1,5 @@
/****************************************************************************
- * Copyright (c) 1998-2001,2002 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2005,2006 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 *
@@ -29,6 +29,7 @@
/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ * and: Thomas E. Dickey 1996-on *
****************************************************************************/
/*
@@ -43,10 +44,10 @@
#include <term.h> /* cur_term */
#include <tic.h>
-MODULE_ID("$Id: lib_set_term.c,v 1.65 2002/06/15 18:40:20 tom Exp $")
+MODULE_ID("$Id: lib_set_term.c,v 1.91 2006/05/20 14:58:02 tom Exp $")
NCURSES_EXPORT(SCREEN *)
-set_term(SCREEN * screenp)
+set_term(SCREEN *screenp)
{
SCREEN *oldSP;
@@ -61,7 +62,6 @@ set_term(SCREEN * screenp)
stdscr = SP->_stdscr;
COLORS = SP->_color_count;
COLOR_PAIRS = SP->_pair_count;
- memcpy(acs_map, SP->_acs_map, sizeof(chtype) * ACS_LEN);
T((T_RETURN("%p"), oldSP));
return (oldSP);
@@ -81,9 +81,10 @@ _nc_free_keytry(struct tries *kt)
* 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));
@@ -98,14 +99,36 @@ delscreen(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;
+ }
+
_nc_free_keytry(sp->_keytry);
+ sp->_keytry = 0;
+
_nc_free_keytry(sp->_key_ok);
+ sp->_key_ok = 0;
+
+ FreeIfNeeded(sp->_current_attr);
FreeIfNeeded(sp->_color_table);
FreeIfNeeded(sp->_color_pairs);
FreeIfNeeded(sp->oldhash);
FreeIfNeeded(sp->newhash);
+ FreeIfNeeded(sp->hashtab);
+
+ FreeIfNeeded(sp->_acs_map);
+ FreeIfNeeded(sp->_screen_acs_map);
del_curterm(sp->_term);
@@ -141,16 +164,16 @@ delscreen(SCREEN * sp)
static ripoff_t rippedoff[5];
static ripoff_t *rsp = rippedoff;
-#define N_RIPS SIZEOF(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;
}
@@ -162,12 +185,12 @@ no_mouse_parse(int code GCC_UNUSED)
}
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)
{
}
@@ -191,21 +214,67 @@ extract_fgbg(char *src, int *result)
}
#endif
-NCURSES_EXPORT(int)
-_nc_setupscreen
-(short slines, short const scolumns, FILE * output)
/* OS-independent screen initializations */
+NCURSES_EXPORT(int)
+_nc_setupscreen(int slines,
+ int scolumns,
+ FILE *output,
+ bool filtered,
+ int slk_format)
{
int bottom_stolen = 0;
- size_t i;
+ int i;
+ bool support_cookies = USE_XMC_SUPPORT;
+
+ T((T_CALLED("_nc_setupscreen(%d, %d, %p, %d, %d)"),
+ slines, scolumns, output, filtered, slk_format));
assert(SP == 0); /* has been reset in newterm() ! */
- if (!_nc_alloc_screen())
- return ERR;
+ 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);
+
+ SP->_filtered = filtered;
+
+ /* implement filter mode */
+ if (filtered) {
+ slines = LINES = 1;
+
+ 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));
+ }
+
+ /* 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);
+ setmode(output, O_BINARY);
+#endif
_nc_set_buffer(output, TRUE);
SP->_term = cur_term;
SP->_lines = slines;
@@ -259,6 +328,26 @@ _nc_setupscreen
SP->_default_bg = C_MASK;
#endif
+ /*
+ * Allow those assumed/default color assumptions to be overridden at
+ * runtime:
+ */
+ if (getenv("NCURSES_ASSUMED_COLORS") != 0) {
+ char *p = getenv("NCURSES_ASSUMED_COLORS");
+ int fg, bg;
+ char sep1, sep2;
+ int count = sscanf(p, "%d%c%d%c", &fg, &sep1, &bg, &sep2);
+ if (count >= 1) {
+ SP->_default_fg = (fg >= 0 && fg < max_colors) ? fg : C_MASK;
+ if (count >= 3) {
+ SP->_default_bg = (bg >= 0 && bg < max_colors) ? bg : C_MASK;
+ }
+ TR(TRACE_CHARPUT | TRACE_MOVE,
+ ("from environment assumed fg=%d, bg=%d",
+ SP->_default_fg,
+ SP->_default_bg));
+ }
+ }
#if USE_COLORFGBG
/*
* If rxvt's $COLORFGBG variable is set, use it to specify the assumed
@@ -275,7 +364,7 @@ _nc_setupscreen
p = extract_fgbg(p, &(SP->_default_bg));
TR(TRACE_CHARPUT | TRACE_MOVE, ("decoded fg=%d, bg=%d",
SP->_default_fg, SP->_default_bg));
- if (SP->_default_fg > max_colors) {
+ if (SP->_default_fg >= max_colors) {
if (set_a_foreground != ABSENT_STRING
&& !strcmp(set_a_foreground, "\033[3%p1%dm")) {
set_a_foreground = "\033[3%?%p1%{8}%>%t9%e%p1%d%;m";
@@ -283,7 +372,7 @@ _nc_setupscreen
SP->_default_fg %= max_colors;
}
}
- if (SP->_default_bg > max_colors) {
+ if (SP->_default_bg >= max_colors) {
if (set_a_background != ABSENT_STRING
&& !strcmp(set_a_background, "\033[4%p1%dm")) {
set_a_background = "\033[4%?%p1%{8}%>%t9%e%p1%d%;m";
@@ -309,42 +398,104 @@ _nc_setupscreen
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
);
- SP->_xmc_suppress = SP->_xmc_triggers & (chtype) ~ (A_BOLD);
+#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 */
+ _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
- _nc_init_acs();
- memcpy(SP->_acs_map, acs_map, sizeof(chtype) * ACS_LEN);
_nc_idcok = TRUE;
_nc_idlok = FALSE;
@@ -356,11 +507,11 @@ _nc_setupscreen
T(("creating newscr"));
if ((newscr = newwin(slines, scolumns, 0, 0)) == 0)
- return ERR;
+ returnCode(ERR);
T(("creating curscr"));
if ((curscr = newwin(slines, scolumns, 0, 0)) == 0)
- return ERR;
+ returnCode(ERR);
SP->_newscr = newscr;
SP->_curscr = curscr;
@@ -374,42 +525,41 @@ _nc_setupscreen
def_shell_mode();
def_prog_mode();
- for (i = 0, rsp = rippedoff; rsp->line && (i < N_RIPS); rsp++, i++) {
+ 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) {
- WINDOW *w;
int count = (rsp->line < 0) ? -rsp->line : rsp->line;
- if (rsp->line < 0) {
- w = newwin(count, scolumns, SP->_lines_avail - count, 0);
- if (w) {
- rsp->w = w;
- rsp->hook(w, scolumns);
- bottom_stolen += count;
- } else
- return ERR;
- } else {
- w = newwin(count, scolumns, 0, 0);
- if (w) {
- rsp->w = w;
- rsp->hook(w, scolumns);
- SP->_topstolen += count;
- } else
- return ERR;
- }
+ 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
+ returnCode(ERR);
+ if (rsp->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;
T(("creating stdscr"));
assert((SP->_lines_avail + SP->_topstolen + bottom_stolen) == slines);
if ((stdscr = newwin(LINES = SP->_lines_avail, scolumns, 0, 0)) == 0)
- return ERR;
+ returnCode(ERR);
SP->_stdscr = stdscr;
- return OK;
+ returnCode(OK);
}
/* The internal implementation interprets line as the number of
@@ -418,18 +568,20 @@ _nc_setupscreen
NCURSES_EXPORT(int)
_nc_ripoffline(int line, int (*init) (WINDOW *, int))
{
- if (line == 0)
- return (OK);
+ T((T_CALLED("_nc_ripoffline(%d, %p)"), line, init));
+
+ if (line != 0) {
- if (rsp >= rippedoff + N_RIPS)
- return (ERR);
+ if (rsp >= rippedoff + N_RIPS)
+ returnCode(ERR);
- rsp->line = line;
- rsp->hook = init;
- rsp->w = 0;
- rsp++;
+ rsp->line = line;
+ rsp->hook = init;
+ rsp->w = 0;
+ rsp++;
+ }
- return (OK);
+ returnCode(OK);
}
NCURSES_EXPORT(int)