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-rw-r--r--contrib/ncurses/ncurses/base/lib_set_term.c472
1 files changed, 274 insertions, 198 deletions
diff --git a/contrib/ncurses/ncurses/base/lib_set_term.c b/contrib/ncurses/ncurses/base/lib_set_term.c
index 443236cf9cda..b4d547fcf514 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 Free Software Foundation, Inc. *
+ * Copyright (c) 1998,1999,2000 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 *
@@ -40,276 +40,352 @@
#include <curses.priv.h>
-#include <term.h> /* cur_term */
+#include <term.h> /* cur_term */
+#include <tic.h>
-MODULE_ID("$Id: lib_set_term.c,v 1.46 1999/07/24 20:05:49 tom Exp $")
+MODULE_ID("$Id: lib_set_term.c,v 1.55 2000/07/02 00:22:18 tom Exp $")
-SCREEN * set_term(SCREEN *screenp)
+SCREEN *
+set_term(SCREEN * screenp)
{
-SCREEN *oldSP;
+ SCREEN *oldSP;
- T((T_CALLED("set_term(%p)"), screenp));
+ T((T_CALLED("set_term(%p)"), screenp));
- oldSP = SP;
- _nc_set_screen(screenp);
+ 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(chtype)*ACS_LEN);
+ 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(chtype) * ACS_LEN);
- T((T_RETURN("%p"), oldSP));
- return(oldSP);
+ T((T_RETURN("%p"), oldSP));
+ return (oldSP);
}
-static void _nc_free_keytry(struct tries *kt)
+static void
+_nc_free_keytry(struct tries *kt)
{
- if (kt != 0) {
- _nc_free_keytry(kt->child);
- _nc_free_keytry(kt->sibling);
- free(kt);
- }
+ if (kt != 0) {
+ _nc_free_keytry(kt->child);
+ _nc_free_keytry(kt->sibling);
+ free(kt);
+ }
}
/*
* Free the storage associated with the given SCREEN sp.
*/
-void delscreen(SCREEN *sp)
+void
+delscreen(SCREEN * sp)
{
- SCREEN **scan = &_nc_screen_chain;
+ SCREEN **scan = &_nc_screen_chain;
- T((T_CALLED("delscreen(%p)"), sp));
+ T((T_CALLED("delscreen(%p)"), sp));
- while(*scan)
- {
- if (*scan == sp)
- {
- *scan = sp->_next_screen;
- break;
- }
- scan = &(*scan)->_next_screen;
+ while (*scan) {
+ if (*scan == sp) {
+ *scan = sp->_next_screen;
+ break;
}
+ scan = &(*scan)->_next_screen;
+ }
+
+ _nc_freewin(sp->_curscr);
+ _nc_freewin(sp->_newscr);
+ _nc_freewin(sp->_stdscr);
+ _nc_free_keytry(sp->_keytry);
+ _nc_free_keytry(sp->_key_ok);
+
+ FreeIfNeeded(sp->_color_table);
+ FreeIfNeeded(sp->_color_pairs);
+
+ FreeIfNeeded(sp->oldhash);
+ FreeIfNeeded(sp->newhash);
+
+ 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);
+ }
+
+ 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);
+ }
+ returnVoid;
+}
- _nc_freewin(sp->_curscr);
- _nc_freewin(sp->_newscr);
- _nc_freewin(sp->_stdscr);
- _nc_free_keytry(sp->_keytry);
- _nc_free_keytry(sp->_key_ok);
-
- FreeIfNeeded(sp->_color_table);
- FreeIfNeeded(sp->_color_pairs);
+static ripoff_t rippedoff[5];
+static ripoff_t *rsp = rippedoff;
+#define N_RIPS SIZEOF(rippedoff)
- FreeIfNeeded(sp->oldhash);
- FreeIfNeeded(sp->newhash);
+static bool
+no_mouse_event(SCREEN * sp GCC_UNUSED)
+{
+ return FALSE;
+}
- del_curterm(sp->_term);
+static bool
+no_mouse_inline(SCREEN * sp GCC_UNUSED)
+{
+ return FALSE;
+}
- free(sp);
+static bool
+no_mouse_parse(int code GCC_UNUSED)
+{
+ return TRUE;
+}
- /*
- * 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);
- }
- returnVoid;
+static void
+no_mouse_resume(SCREEN * sp GCC_UNUSED)
+{
}
-static ripoff_t rippedoff[5];
-static ripoff_t *rsp = rippedoff;
-#define N_RIPS SIZEOF(rippedoff)
+static void
+no_mouse_wrap(SCREEN * sp GCC_UNUSED)
+{
+}
-static bool no_mouse_event (SCREEN *sp GCC_UNUSED) { return FALSE; }
-static bool no_mouse_inline(SCREEN *sp GCC_UNUSED) { return FALSE; }
-static bool no_mouse_parse (int code GCC_UNUSED) { return TRUE; }
-static void no_mouse_resume(SCREEN *sp GCC_UNUSED) { }
-static void no_mouse_wrap (SCREEN *sp GCC_UNUSED) { }
+#if defined(NCURSES_EXT_FUNCS) && defined(USE_COLORFGBG)
+static char *
+extract_fgbg(char *src, int *result)
+{
+ char *dst = 0;
+ long value = strtol(src, &dst, 0);
+
+ if (dst == 0) {
+ dst = src;
+ } else if (value >= 0) {
+ *result = value % max_colors;
+ }
+ while (*dst != 0 && *dst != ';')
+ dst++;
+ if (*dst == ';')
+ dst++;
+ return dst;
+}
+#endif
-int _nc_setupscreen(short slines, short const scolumns, FILE *output)
+int
+_nc_setupscreen(short slines, short const scolumns, FILE * output)
/* OS-independent screen initializations */
{
-int bottom_stolen = 0;
-size_t i;
-
- assert(SP==0); /* has been reset in newterm() ! */
- if (!_nc_alloc_screen())
- return ERR;
-
- SP->_next_screen = _nc_screen_chain;
- _nc_screen_chain = SP;
-
- _nc_set_buffer(output, TRUE);
- SP->_term = cur_term;
- SP->_lines = slines;
- SP->_lines_avail = slines;
- SP->_columns = scolumns;
- SP->_cursrow = -1;
- SP->_curscol = -1;
- SP->_nl = TRUE;
- SP->_raw = FALSE;
- SP->_cbreak = 0;
- SP->_echo = TRUE;
- SP->_fifohead = -1;
- SP->_endwin = TRUE;
- SP->_ofp = output;
- SP->_cursor = -1; /* cannot know real cursor shape */
+ int bottom_stolen = 0;
+ size_t i;
+
+ assert(SP == 0); /* has been reset in newterm() ! */
+ if (!_nc_alloc_screen())
+ return ERR;
+
+ SP->_next_screen = _nc_screen_chain;
+ _nc_screen_chain = SP;
+
+ _nc_set_buffer(output, TRUE);
+ SP->_term = cur_term;
+ SP->_lines = slines;
+ SP->_lines_avail = slines;
+ SP->_columns = scolumns;
+ SP->_cursrow = -1;
+ SP->_curscol = -1;
+ SP->_nl = TRUE;
+ SP->_raw = FALSE;
+ SP->_cbreak = 0;
+ SP->_echo = TRUE;
+ SP->_fifohead = -1;
+ SP->_endwin = TRUE;
+ SP->_ofp = output;
+ SP->_cursor = -1; /* cannot know real cursor shape */
#ifdef NCURSES_NO_PADDING
- SP->_no_padding = getenv("NCURSES_NO_PADDING") != 0;
+ SP->_no_padding = getenv("NCURSES_NO_PADDING") != 0;
+ TR(TRACE_CHARPUT | TRACE_MOVE, ("padding will%s be used",
+ SP->_no_padding ? " not" : ""));
#endif
-
- SP->_maxclick = DEFAULT_MAXCLICK;
- SP->_mouse_event = no_mouse_event;
- SP->_mouse_inline = no_mouse_inline;
- SP->_mouse_parse = no_mouse_parse;
- SP->_mouse_resume = no_mouse_resume;
- SP->_mouse_wrap = no_mouse_wrap;
- SP->_mouse_fd = -1;
-
- /* initialize the panel hooks */
- SP->_panelHook.top_panel = (struct panel*)0;
- SP->_panelHook.bottom_panel = (struct panel*)0;
- SP->_panelHook.stdscr_pseudo_panel = (struct panel*)0;
-
+#ifdef NCURSES_EXT_FUNCS
+ SP->_default_color = FALSE;
+ SP->_has_sgr_39_49 = FALSE;
+ SP->_default_fg = COLOR_WHITE;
+ SP->_default_bg = COLOR_BLACK;
+#ifdef USE_COLORFGBG
+ /*
+ * If rxvt's $COLORFGBG variable is set, use it to specify the assumed
+ * default colors. Note that rxvt (mis)uses bold colors, equating a bold
+ * color to that value plus 8. We'll only use the non-bold color for now -
+ * decide later if it is worth having default attributes as well.
+ */
+ if (getenv("COLORFGBG") != 0) {
+ char *p = getenv("COLORFGBG");
+ p = extract_fgbg(p, &(SP->_default_fg));
+ p = extract_fgbg(p, &(SP->_default_bg));
+ }
+#endif
+#endif /* NCURSES_EXT_FUNCS */
+
+ SP->_maxclick = DEFAULT_MAXCLICK;
+ SP->_mouse_event = no_mouse_event;
+ SP->_mouse_inline = no_mouse_inline;
+ SP->_mouse_parse = no_mouse_parse;
+ SP->_mouse_resume = no_mouse_resume;
+ SP->_mouse_wrap = no_mouse_wrap;
+ SP->_mouse_fd = -1;
+
+ /* initialize the panel hooks */
+ SP->_panelHook.top_panel = (struct panel *) 0;
+ SP->_panelHook.bottom_panel = (struct panel *) 0;
+ 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 (magic_cookie_glitch > 0) {
+
+ SP->_xmc_triggers = termattrs() & (
+ A_ALTCHARSET |
+ A_BLINK |
+ A_BOLD |
+ A_REVERSE |
+ A_STANDOUT |
+ A_UNDERLINE
+ );
+ SP->_xmc_suppress = SP->_xmc_triggers & (chtype) ~ (A_BOLD);
+
+ T(("magic cookie attributes %s", _traceattr(SP->_xmc_suppress)));
+#if USE_XMC_SUPPORT
/*
- * 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.
+ * To keep this simple, suppress all of the optimization hooks
+ * except for clear_screen and the cursor addressing.
*/
- if (magic_cookie_glitch > 0) {
-
- SP->_xmc_triggers = termattrs() & (
- A_ALTCHARSET |
- A_BLINK |
- A_BOLD |
- A_REVERSE |
- A_STANDOUT |
- A_UNDERLINE
- );
- SP->_xmc_suppress = SP->_xmc_triggers & (chtype)~(A_BOLD);
-
- T(("magic cookie attributes %s", _traceattr(SP->_xmc_suppress)));
-#if USE_XMC_SUPPORT
- /*
- * To keep this simple, suppress all of the optimization hooks
- * except for clear_screen and the cursor addressing.
- */
- clr_eol = 0;
- clr_eos = 0;
- set_attributes = 0;
+ clr_eol = 0;
+ clr_eos = 0;
+ set_attributes = 0;
#else
- magic_cookie_glitch = -1;
- acs_chars = 0;
+ magic_cookie_glitch = ABSENT_NUMERIC;
+ acs_chars = 0;
#endif
- }
- _nc_init_acs();
- memcpy(SP->_acs_map, acs_map, sizeof(chtype)*ACS_LEN);
+ }
+ _nc_init_acs();
+ memcpy(SP->_acs_map, acs_map, sizeof(chtype) * ACS_LEN);
- _nc_idcok = TRUE;
- _nc_idlok = FALSE;
+ _nc_idcok = TRUE;
+ _nc_idlok = FALSE;
- _nc_windows = 0; /* no windows yet */
+ _nc_windows = 0; /* no windows yet */
- SP->oldhash = 0;
- SP->newhash = 0;
+ SP->oldhash = 0;
+ SP->newhash = 0;
- T(("creating newscr"));
- if ((newscr = newwin(slines, scolumns, 0, 0)) == 0)
- return ERR;
+ T(("creating newscr"));
+ if ((newscr = newwin(slines, scolumns, 0, 0)) == 0)
+ return ERR;
- T(("creating curscr"));
- if ((curscr = newwin(slines, scolumns, 0, 0)) == 0)
- return ERR;
+ T(("creating curscr"));
+ if ((curscr = newwin(slines, scolumns, 0, 0)) == 0)
+ return ERR;
- SP->_newscr = newscr;
- SP->_curscr = curscr;
+ SP->_newscr = newscr;
+ SP->_curscr = curscr;
#if USE_SIZECHANGE
- SP->_resize = resizeterm;
+ SP->_resize = resizeterm;
#endif
- newscr->_clear = TRUE;
- curscr->_clear = FALSE;
-
- for (i=0, rsp = rippedoff; rsp->line && (i < N_RIPS); rsp++, 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
+ newscr->_clear = TRUE;
+ curscr->_clear = FALSE;
+
+ for (i = 0, rsp = rippedoff; rsp->line && (i < N_RIPS); rsp++, 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
+ } else {
+ w = newwin(count, scolumns, 0, 0);
+ if (w) {
+ rsp->w = w;
+ rsp->hook(w, scolumns);
+ SP->_topstolen += count;
+ } else
return ERR;
- }
- SP->_lines_avail -= count;
- }
- rsp->line = 0;
+ }
+ SP->_lines_avail -= count;
}
- /* reset the stack */
- rsp = rippedoff;
+ rsp->line = 0;
+ }
+ /* 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;
- SP->_stdscr = stdscr;
+ 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;
+ SP->_stdscr = stdscr;
- def_shell_mode();
- def_prog_mode();
+ def_shell_mode();
+ def_prog_mode();
- return OK;
+ return OK;
}
/* The internal implementation interprets line as the number of
lines to rip off from the top or bottom.
*/
int
-_nc_ripoffline(int line, int (*init)(WINDOW *,int))
+_nc_ripoffline(int line, int (*init) (WINDOW *, int))
{
if (line == 0)
- return(OK);
+ return (OK);
if (rsp >= rippedoff + N_RIPS)
- return(ERR);
+ return (ERR);
rsp->line = line;
rsp->hook = init;
- rsp->w = 0;
+ rsp->w = 0;
rsp++;
- return(OK);
+ return (OK);
}
int
-ripoffline(int line, int (*init)(WINDOW *, int))
+ripoffline(int line, int (*init) (WINDOW *, int))
{
T((T_CALLED("ripoffline(%d,%p)"), line, init));
if (line == 0)
returnCode(OK);
- returnCode(_nc_ripoffline ((line<0) ? -1 : 1, init));
+ returnCode(_nc_ripoffline((line < 0) ? -1 : 1, init));
}