/****************************************************************************
- * 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 *
/*
- * $Id: curses.priv.h,v 1.101 1998/02/11 12:13:57 tom Exp $
+ * $Id: curses.priv.h,v 1.168 2000/10/08 01:24:59 tom Exp $
*
* curses.priv.h
*
#include <nc_panel.h>
/* Some systems have a broken 'select()', but workable 'poll()'. Use that */
-#if HAVE_POLL && HAVE_SYS_STROPTS_H && HAVE_POLL_H
+#if HAVE_WORKING_POLL
#define USE_FUNC_POLL 1
+#if HAVE_POLL_H
+#include <poll.h>
+#else
+#include <sys/poll.h>
+#endif
#else
#define USE_FUNC_POLL 0
#endif
#define USE_QNX_MOUSE 0
#endif
+/* EMX mouse support */
+#ifdef __EMX__
+#define USE_EMX_MOUSE
+#endif
+
#define DEFAULT_MAXCLICK 166
#define EV_MAX 8 /* size of mouse circular event queue */
* If we don't have signals to support it, don't add a sigwinch handler.
* In any case, resizing is an extended feature. Use it if we've got it.
*/
-#ifndef NCURSES_EXT_FUNCS
+#if !NCURSES_EXT_FUNCS
#undef HAVE_SIZECHANGE
#endif
#endif
/*
- * As currently coded, hashmap relies on the scroll-hints logic.
+ * If desired, one can configure this, disabling environment variables that
+ * point to custom terminfo/termcap locations.
+ */
+#ifdef USE_ROOT_ENVIRON
+#define use_terminfo_vars() 1
+#else
+#define use_terminfo_vars() _nc_env_access()
+extern int _nc_env_access(void);
+#endif
+
+/*
+ * Not all platforms have memmove; some have an equivalent bcopy. (Some may
+ * have neither).
+ */
+#if USE_OK_BCOPY
+#define memmove(d,s,n) bcopy(s,d,n)
+#elif USE_MY_MEMMOVE
+#define memmove(d,s,n) _nc_memmove(d,s,n)
+extern void * _nc_memmove(void *, const void *, size_t);
+#endif
+
+/*
+ * Scroll hints are useless when hashmap is used
*/
#if !USE_SCROLL_HINTS
-#if USE_HASHMAP
+#if !USE_HASHMAP
#define USE_SCROLL_HINTS 1
#else
#define USE_SCROLL_HINTS 0
#define PAIR_OF(fg, bg) ((((fg) & C_MASK) << C_SHIFT) | ((bg) & C_MASK))
+/*
+ * Common/troublesome character definitions
+ */
+#define L_BRACE '{'
+#define R_BRACE '}'
+#define S_QUOTE '\''
+
/*
* Structure for palette tables
*/
int _ifd; /* input file ptr for screen */
FILE *_ofp; /* output file ptr for screen */
char *_setbuf; /* buffered I/O for output */
+ int _buffered; /* setvbuf uses _setbuf data */
int _checkfd; /* filedesc for typeahead check */
struct term *_term; /* terminal type information */
short _lines; /* screen lines */
int _echo; /* True if echo on */
int _use_meta; /* use the meta key? */
SLK *_slk; /* ptr to soft key struct / NULL */
-
+ int slk_format; /* selected format for this screen */
/* cursor movement costs; units are 10ths of milliseconds */
+#if NCURSES_NO_PADDING
+ int _no_padding; /* flag to set if padding disabled */
+#endif
int _char_padding; /* cost of character put */
int _cr_cost; /* cost of (carriage_return) */
int _cup_cost; /* cost of (cursor_address) */
int _cuu_cost; /* cost of (parm_cursor_up) */
int _hpa_cost; /* cost of (column_address) */
int _vpa_cost; /* cost of (row_address) */
- /* used in lib_doupdate.c, must be chars */
+ /* used in tty_update.c, must be chars */
int _ed_cost; /* cost of (clr_eos) */
int _el_cost; /* cost of (clr_eol) */
int _el1_cost; /* cost of (clr_bol) */
int _rep_cost; /* cost of (repeat_char) */
int _hpa_ch_cost; /* cost of (column_address) */
int _cup_ch_cost; /* cost of (cursor_address) */
+ int _cuf_ch_cost; /* cost of (parm_cursor_right) */
+ int _inline_cost; /* cost of inline-move */
+ int _smir_cost; /* cost of (enter_insert_mode) */
+ int _rmir_cost; /* cost of (exit_insert_mode) */
+ int _ip_cost; /* cost of (insert_padding) */
/* used in lib_mvcur.c */
char * _address_cursor;
- int _carriage_return_length;
- int _cursor_home_length;
- int _cursor_to_ll_length;
+ /* used in tty_update.c */
int _scrolling; /* 1 if terminal's smart enough to */
/* used in lib_color.c */
int _color_count; /* count of colors in palette */
unsigned short *_color_pairs; /* screen's color pair list */
int _pair_count; /* count of color pairs */
- int _default_color; /* use default colors */
+#if NCURSES_EXT_FUNCS
+ bool _default_color; /* use default colors */
+ bool _has_sgr_39_49; /* has ECMA default color support */
+ int _default_fg; /* assumed default foreground */
+ int _default_bg; /* assumed default background */
+#endif
chtype _xmc_suppress; /* attributes to suppress if xmc */
chtype _xmc_triggers; /* attributes to process if xmc */
chtype _acs_map[ACS_LEN];
+ /* used in lib_vidattr.c */
+ bool _use_rmso; /* true if we may use 'rmso' */
+ bool _use_rmul; /* true if we may use 'rmul' */
+
/*
* These data correspond to the state of the idcok() and idlok()
* functions. A caveat is in order here: the XSI and SVr4
bool _sig_winch;
SCREEN *_next_screen;
+
+ /* hashes for old and new lines */
+ unsigned long *oldhash, *newhash;
+
+ bool _cleanup; /* cleanup after int/quit signal */
+ int (*_outch)(int); /* output handler if not putc */
};
extern SCREEN *_nc_screen_chain;
-#ifdef NCURSES_NOMACROS
+#if NCURSES_NOMACROS
#include <nomacros.h>
#endif
#endif
/* usually in <unistd.h> */
+#ifndef STDIN_FILENO
+#define STDIN_FILENO 0
+#endif
+
#ifndef STDOUT_FILENO
#define STDOUT_FILENO 1
#endif
#define F_OK 0 /* Test for existence. */
#endif
+#if HAVE_FCNTL_H
+#include <fcntl.h> /* may define O_BINARY */
+#endif
+
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
+
#define TextOf(c) ((c) & (chtype)A_CHARTEXT)
#define AttrOf(c) ((c) & (chtype)A_ATTRIBUTES)
#define CHANGED -1
+#define CHANGED_CELL(line,col) \
+ if (line->firstchar == _NOCHANGE) \
+ line->firstchar = line->lastchar = col; \
+ else if ((col) < line->firstchar) \
+ line->firstchar = col; \
+ else if ((col) > line->lastchar) \
+ line->lastchar = col
+
+#define CHANGED_RANGE(line,start,end) \
+ if (line->firstchar == _NOCHANGE \
+ || line->firstchar > (start)) \
+ line->firstchar = start; \
+ if (line->lastchar == _NOCHANGE \
+ || line->lastchar < (end)) \
+ line->lastchar = end
+
+#define CHANGED_TO_EOL(line,start,end) \
+ if (line->firstchar == _NOCHANGE \
+ || line->firstchar > (start)) \
+ line->firstchar = start; \
+ line->lastchar = end
+
#define SIZEOF(v) (sizeof(v)/sizeof(v[0]))
-#define typeCalloc(type,elts) (type *)calloc(elts,sizeof(type))
-#define FreeIfNeeded(p) if(p != 0) free(p)
+
+#define FreeIfNeeded(p) if ((p) != 0) free(p)
+
+/* FreeAndNull() is not a comma-separated expression because some compilers
+ * do not accept a mixture of void with values.
+ */
#define FreeAndNull(p) free(p); p = 0
#include <nc_alloc.h>
#define TPUTS_TRACE(s) _nc_tputs_trace = s;
#define TRACE_RETURN(value,type) return _nc_retrace_##type(value)
#define returnAttr(code) TRACE_RETURN(code,attr_t)
+#define returnChar(code) TRACE_RETURN(code,chtype)
#define returnCode(code) TRACE_RETURN(code,int)
#define returnPtr(code) TRACE_RETURN(code,ptr)
#define returnVoid T((T_RETURN(""))); return
#define returnWin(code) TRACE_RETURN(code,win)
-extern unsigned _nc_tracing;
extern WINDOW * _nc_retrace_win(WINDOW *);
extern attr_t _nc_retrace_attr_t(attr_t);
+extern attr_t _nc_retrace_chtype(chtype);
extern char *_nc_retrace_ptr(char *);
extern const char *_nc_tputs_trace;
-extern const char *_nc_visbuf(const char *);
-extern const char *_nc_visbuf2(int, const char *);
extern int _nc_retrace_int(int);
extern long _nc_outchars;
extern void _nc_fifo_dump(void);
#define TR(n, a)
#define TPUTS_TRACE(s)
#define returnAttr(code) return code
+#define returnChar(code) return code
#define returnCode(code) return code
#define returnPtr(code) return code
#define returnVoid return
#define returnWin(code) return code
#endif
+extern unsigned _nc_tracing;
+extern const char *_nc_visbuf2(int, const char *);
+
#define _trace_key(ch) ((ch > KEY_MIN) ? keyname(ch) : _tracechar((unsigned char)ch))
#define ALL_BUT_COLOR ((chtype)~(A_COLOR))
#define XMC_CHANGES(c) ((c) & SP->_xmc_suppress)
-#define toggle_attr_on(S,at) \
+#define toggle_attr_on(S,at) {\
if (PAIR_NUMBER(at) > 0)\
(S) = ((S) & ALL_BUT_COLOR) | (at);\
else\
(S) |= (at);\
- T(("new attribute is %s", _traceattr((S))))
+ TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));}
-#define toggle_attr_off(S,at) \
+#define toggle_attr_off(S,at) {\
if (IGNORE_COLOR_OFF == TRUE) {\
if (PAIR_NUMBER(at) == 0xff) /* turn off color */\
(S) &= ~(at);\
else /* leave color alone */\
(S) &= ~(at);\
}\
- T(("new attribute is %s", _traceattr((S))));
+ TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));}
#define DelCharCost(count) \
((parm_dch != 0) \
#define InsCharCost(count) \
((parm_ich != 0) \
? SP->_ich_cost \
- : ((insert_character != 0) \
- ? (SP->_ich1_cost * count) \
- : INFINITY))
+ : ((enter_insert_mode && exit_insert_mode) \
+ ? SP->_smir_cost + SP->_rmir_cost + (SP->_ip_cost * count) \
+ : ((insert_character != 0) \
+ ? (SP->_ich1_cost * count) \
+ : INFINITY)))
#if USE_XMC_SUPPORT
#define UpdateAttrs(c) if (SP->_current_attr != AttrOf(c)) { \
vidattr(AttrOf(c)); \
if (magic_cookie_glitch > 0 \
&& XMC_CHANGES((chg ^ SP->_current_attr))) { \
- T(("%s @%d before glitch %d,%d", \
+ TR(TRACE_ATTRS, \
+ ("%s @%d before glitch %d,%d", \
__FILE__, __LINE__, \
SP->_cursrow, \
SP->_curscol)); \
}
#else
#define UpdateAttrs(c) if (SP->_current_attr != AttrOf(c)) \
- vidattr(AttrOf(c));
+ vidattr(AttrOf(c))
#endif
-/*
- * Check whether the given character can be output by clearing commands. This
- * includes test for being a space and not including any 'bad' attributes, such
- * as A_REVERSE. All attribute flags which don't affect appearance of a space
- * or can be output by clearing (A_COLOR in case of bce-terminal) are excluded.
- */
-#define can_clear_with(ch) \
- ((ch & ~(NONBLANK_ATTR|(back_color_erase ? A_COLOR:0))) == BLANK)
-
-#ifdef NCURSES_EXPANDED
+#if NCURSES_EXPANDED && NCURSES_EXT_FUNCS
#undef toggle_attr_on
#define toggle_attr_on(S,at) _nc_toggle_attr_on(&(S), at)
#define toggle_attr_off(S,at) _nc_toggle_attr_off(&(S), at)
extern void _nc_toggle_attr_off(attr_t *, attr_t);
-#undef can_clear_with
-#define can_clear_with(ch) _nc_can_clear_with(ch)
-extern int _nc_can_clear_with(chtype);
-
#undef DelCharCost
#define DelCharCost(count) _nc_DelCharCost(count)
extern int _nc_DelCharCost(int);
#endif
+#if !HAVE_GETCWD
+#define getcwd(buf,len) getwd(buf)
+#endif
+
/* doupdate.c */
#if USE_XMC_SUPPORT
extern void _nc_do_xmc_glitch(attr_t);
#endif
/* hardscroll.c */
-#if defined(TRACE) || defined(SCROLLDEBUG)
-extern void _nc_linedump(void);
-#endif
-
-/* hardscroll.c */
-#if defined(TRACE) || defined(SCROLLDEBUG)
+#if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG)
extern void _nc_linedump(void);
#endif
/* lib_acs.c */
-extern void init_acs(void); /* no prefix, this name is traditional */
+extern void _nc_init_acs(void); /* corresponds to traditional 'init_acs()' */
extern int _nc_msec_cost(const char *const, int); /* used by 'tack' program */
/* lib_mvcur.c */
/* lib_mouse.c */
extern int _nc_has_mouse(void);
+/* lib_mvcur.c */
+#define INFINITY 1000000 /* cost: too high to use */
+
+typedef struct {
+ char *s_head;
+ char *s_tail;
+ size_t s_size;
+} string_desc;
+
+/* strings.c */
+extern string_desc *_nc_str_init(string_desc * dst, char *src, size_t len);
+extern string_desc *_nc_str_null(string_desc * dst, size_t len);
+extern string_desc *_nc_str_copy(string_desc * dst, string_desc * src);
+extern bool _nc_safe_strcat(string_desc * dst, const char *src);
+extern bool _nc_safe_strcpy(string_desc * dst, const char *src);
+
+extern void _nc_mvcur_init(void);
+extern void _nc_mvcur_resume(void);
+extern void _nc_mvcur_wrap(void);
+
+extern int _nc_scrolln(int, int, int, int);
+
+extern void _nc_screen_init(void);
+extern void _nc_screen_resume(void);
+extern void _nc_screen_wrap(void);
+
+#if !HAVE_STRSTR
+#define strstr _nc_strstr
+extern char *_nc_strstr(const char *, const char *);
+#endif
+
/* safe_sprintf.c */
extern char * _nc_printf_string(const char *fmt, va_list ap);
-/* softscroll.c */
-extern void _nc_setup_scroll(void);
-extern void _nc_perform_scroll(void);
-
/* tries.c */
-extern void _nc_add_to_try(struct tries **tree, char *str, unsigned short code);
-extern char *_nc_expand_try(struct tries *tree, unsigned short code, size_t len);
+extern void _nc_add_to_try(struct tries **tree, const char *str, unsigned short code);
+extern char *_nc_expand_try(struct tries *tree, unsigned short code, int *count, size_t len);
extern int _nc_remove_key(struct tries **tree, unsigned short code);
+extern int _nc_remove_string(struct tries **tree, char *string);
/* elsewhere ... */
extern WINDOW *_nc_makenew(int, int, int, int, int);
+extern char *_nc_home_terminfo(void);
extern char *_nc_trace_buf(int, size_t);
extern chtype _nc_background(WINDOW *);
extern chtype _nc_render(WINDOW *, chtype);
+extern int _nc_access(const char *, int);
+extern int _nc_baudrate(int);
+extern int _nc_getenv_num(const char *);
extern int _nc_keypad(bool);
+extern int _nc_ospeed(int);
extern int _nc_outch(int);
extern int _nc_setupscreen(short, short const, FILE *);
extern int _nc_timed_wait(int, int, int *);
extern int _nc_waddch_nosync(WINDOW *, const chtype);
-extern void _nc_do_color(int, bool, int (*)(int));
-extern void _nc_free_and_exit(int);
+extern void _nc_do_color(int, int, bool, int (*)(int));
extern void _nc_freeall(void);
extern void _nc_freewin(WINDOW *win);
extern void _nc_hash_map(void);
+extern void _nc_init_keytry(void);
+extern void _nc_keep_tic_dir(const char *);
+extern void _nc_make_oldhash(int i);
+extern void _nc_flush(void);
extern void _nc_outstr(const char *str);
+extern void _nc_scroll_oldhash(int n, int top, int bot);
extern void _nc_scroll_optimize(void);
extern void _nc_scroll_window(WINDOW *, int const, short const, short const, chtype);
-extern void _nc_set_buffer(FILE *ofp, bool buffered);
+extern void _nc_set_buffer(FILE *, bool);
extern void _nc_signal_handler(bool);
extern void _nc_synchook(WINDOW *win);
+extern void _nc_trace_tries(struct tries *tree);
#if USE_SIZECHANGE
extern void _nc_update_screensize(void);
#endif
+#if USE_WIDEC_SUPPORT
+extern int _nc_utf8_outch(int);
+#endif
+
+/* scroll indices */
+extern int *_nc_oldnums;
+
+#define USE_SETBUF_0 0
+
+#define NC_BUFFERED(flag) \
+ if ((SP->_buffered != 0) != flag) \
+ _nc_set_buffer(SP->_ofp, flag)
+
+#define NC_OUTPUT ((SP != 0) ? SP->_ofp : stdout)
+
/*
* On systems with a broken linker, define 'SP' as a function to force the
* linker to pull in the data-only module with 'SP'.
*/
-#ifndef BROKEN_LINKER
-#define BROKEN_LINKER 0
-#endif
-
#if BROKEN_LINKER
#define SP _nc_screen()
extern SCREEN *_nc_screen(void);
extern int _nc_slk_format; /* != 0 if slk_init() called */
extern int _nc_slk_initialize(WINDOW *, int);
-/*
- * Some constants related to SLK's
+/*
+ * Some constants related to SLK's
*/
#define MAX_SKEY_OLD 8 /* count of soft keys */
#define MAX_SKEY_LEN_OLD 8 /* max length of soft key text */
#define MAX_SKEY_PC 12 /* This is what most PC's have */
#define MAX_SKEY_LEN_PC 5
-#define MAX_SKEY (SLK_STDFMT ? MAX_SKEY_OLD : MAX_SKEY_PC)
-#define MAX_SKEY_LEN (SLK_STDFMT ? MAX_SKEY_LEN_OLD : MAX_SKEY_LEN_PC)
-
/* Macro to check whether or not we use a standard format */
-#define SLK_STDFMT (_nc_slk_format < 3)
+#define SLK_STDFMT(fmt) (fmt < 3)
/* Macro to determine height of label window */
-#define SLK_LINES (SLK_STDFMT ? 1 : (_nc_slk_format - 2))
+#define SLK_LINES(fmt) (SLK_STDFMT(fmt) ? 1 : ((fmt) - 2))
+
+#define MAX_SKEY(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_OLD : MAX_SKEY_PC)
+#define MAX_SKEY_LEN(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_LEN_OLD : MAX_SKEY_LEN_PC)
extern int _nc_ripoffline(int line, int (*init)(WINDOW *,int));