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Diffstat (limited to 'ncurses-5.9/ncurses/curses.priv.h')
| -rw-r--r-- | ncurses-5.9/ncurses/curses.priv.h | 2312 |
1 files changed, 2312 insertions, 0 deletions
diff --git a/ncurses-5.9/ncurses/curses.priv.h b/ncurses-5.9/ncurses/curses.priv.h new file mode 100644 index 0000000..8cb396f --- /dev/null +++ b/ncurses-5.9/ncurses/curses.priv.h @@ -0,0 +1,2312 @@ +/**************************************************************************** + * Copyright (c) 1998-2010,2011 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 * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * + * and: Eric S. Raymond <esr@snark.thyrsus.com> * + * and: Thomas E. Dickey 1996-on * + * and: Juergen Pfeifer * + ****************************************************************************/ + +/* + * $Id$ + * + * curses.priv.h + * + * Header file for curses library objects which are private to + * the library. + * + */ + +#ifndef CURSES_PRIV_H +#define CURSES_PRIV_H 1 +/* *INDENT-OFF* */ + +#include <ncurses_dll.h> + +#ifdef __cplusplus +extern "C" { +#endif + +#include <ncurses_cfg.h> + +#if USE_RCS_IDS +#define MODULE_ID(id) static const char Ident[] = id; +#else +#define MODULE_ID(id) /*nothing*/ +#endif + +#include <stddef.h> /* for offsetof */ +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> + +#if HAVE_UNISTD_H +#include <unistd.h> +#endif + +#if HAVE_SYS_BSDTYPES_H +#include <sys/bsdtypes.h> /* needed for ISC */ +#endif + +#if HAVE_LIMITS_H +# include <limits.h> +#elif HAVE_SYS_PARAM_H +# include <sys/param.h> +#endif + +#include <assert.h> +#include <stdio.h> + +#include <errno.h> + +#ifndef PATH_MAX +# if defined(_POSIX_PATH_MAX) +# define PATH_MAX _POSIX_PATH_MAX +# elif defined(MAXPATHLEN) +# define PATH_MAX MAXPATHLEN +# else +# define PATH_MAX 255 /* the Posix minimum path-size */ +# endif +#endif + +#if DECL_ERRNO +extern int errno; +#endif + +/* Some systems have a broken 'select()', but workable 'poll()'. Use that */ +#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 + +/* include signal.h before curses.h to work-around defect in glibc 2.1.3 */ +#include <signal.h> + +/* Alessandro Rubini's GPM (general-purpose mouse) */ +#if HAVE_LIBGPM && HAVE_GPM_H +#define USE_GPM_SUPPORT 1 +#else +#define USE_GPM_SUPPORT 0 +#endif + +/* QNX mouse support */ +#if defined(__QNX__) && !defined(__QNXNTO__) +#define USE_QNX_MOUSE 1 +#else +#define USE_QNX_MOUSE 0 +#endif + +/* EMX mouse support */ +#ifdef __EMX__ +#define USE_EMX_MOUSE 1 +#else +#define USE_EMX_MOUSE 0 +#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. + */ +#if !NCURSES_EXT_FUNCS +#undef HAVE_SIZECHANGE +#define HAVE_SIZECHANGE 0 +#endif + +#if HAVE_SIZECHANGE && USE_SIGWINCH && defined(SIGWINCH) +#define USE_SIZECHANGE 1 +#else +#define USE_SIZECHANGE 0 +#undef USE_SIGWINCH +#define USE_SIGWINCH 0 +#endif + +/* + * 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 NCURSES_EXPORT(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 NCURSES_EXPORT(void *) _nc_memmove (void *, const void *, size_t); +#endif + +/* + * If we have va_copy(), use it for assigning va_list's. + */ +#if defined(HAVE___VA_COPY) +#define begin_va_copy(dst,src) __va_copy(dst, src) +#define end_va_copy(dst) va_end(dst) +#elif defined(va_copy) || defined(HAVE_VA_COPY) +#define begin_va_copy(dst,src) va_copy(dst, src) +#define end_va_copy(dst) va_end(dst) +#else +#define begin_va_copy(dst,src) (dst) = (src) +#define end_va_copy(dst) /* nothing */ +#endif + +/* + * Scroll hints are useless when hashmap is used + */ +#if !USE_SCROLL_HINTS +#if !USE_HASHMAP +#define USE_SCROLL_HINTS 1 +#else +#define USE_SCROLL_HINTS 0 +#endif +#endif + +#if USE_SCROLL_HINTS +#define if_USE_SCROLL_HINTS(stmt) stmt +#else +#define if_USE_SCROLL_HINTS(stmt) /*nothing*/ +#endif + +/* + * Options for terminal drivers, etc... + */ +#ifdef USE_TERM_DRIVER +#define USE_SP_RIPOFF 1 +#define USE_SP_TERMTYPE 1 +#define USE_SP_WINDOWLIST 1 +#endif + +/* + * Note: ht/cbt expansion flakes out randomly under Linux 1.1.47, but only + * when we're throwing control codes at the screen at high volume. To see + * this, re-enable USE_HARD_TABS and run worm for a while. Other systems + * probably don't want to define this either due to uncertainties about tab + * delays and expansion in raw mode. + */ + +#define TRIES struct tries +typedef TRIES { + TRIES *child; /* ptr to child. NULL if none */ + TRIES *sibling; /* ptr to sibling. NULL if none */ + unsigned char ch; /* character at this node */ + unsigned short value; /* code of string so far. 0 if none. */ +#undef TRIES +} TRIES; + +/* + * Common/troublesome character definitions + */ +#define StringOf(ch) {ch, 0} + +#define L_BRACE '{' +#define R_BRACE '}' +#define S_QUOTE '\'' +#define D_QUOTE '"' + +#define VT_ACSC "``aaffggiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~" + +/* + * Structure for palette tables + */ + +typedef struct +{ + short red, green, blue; /* what color_content() returns */ + short r, g, b; /* params to init_color() */ + int init; /* true if we called init_color() */ +} +color_t; + +#define MAXCOLUMNS 135 +#define MAXLINES 66 +#define FIFO_SIZE MAXCOLUMNS+2 /* for nocbreak mode input */ + +#define ACS_LEN 128 + +#define WINDOWLIST struct _win_list + +#if USE_WIDEC_SUPPORT +#define _nc_bkgd _bkgrnd +#else +#undef _XOPEN_SOURCE_EXTENDED +#undef _XPG5 +#define _nc_bkgd _bkgd +#define wgetbkgrnd(win, wch) *wch = win->_bkgd +#define wbkgrnd wbkgd +#endif + +#undef NCURSES_OPAQUE +#define NCURSES_INTERNALS 1 +#define NCURSES_OPAQUE 0 + +#include <curses.h> /* we'll use -Ipath directive to get the right one! */ + +/* + * If curses.h did not expose the SCREEN-functions, then we do not need the + * parameter in the corresponding unextended functions. + */ + +#define USE_SP_FUNC_SUPPORT NCURSES_SP_FUNCS +#define USE_EXT_SP_FUNC_SUPPORT (NCURSES_SP_FUNCS && NCURSES_EXT_FUNCS) + +#if NCURSES_SP_FUNCS +#define SP_PARM sp /* use parameter */ +#define NCURSES_SP_ARG SP_PARM +#define NCURSES_SP_DCL SCREEN *NCURSES_SP_ARG +#define NCURSES_SP_DCL0 NCURSES_SP_DCL +#define NCURSES_SP_ARGx NCURSES_SP_ARG, +#define NCURSES_SP_DCLx SCREEN *NCURSES_SP_ARGx +#else +#define SP_PARM SP /* use global variable */ +#define NCURSES_SP_ARG +#define NCURSES_SP_DCL +#define NCURSES_SP_DCL0 void +#define NCURSES_SP_ARGx +#define NCURSES_SP_DCLx +#endif + +#include <nc_panel.h> + +#define IsPreScreen(sp) (((sp) != 0) && sp->_prescreen) +#define HasTerminal(sp) (((sp) != 0) && (0 != ((sp)->_term))) +#define IsValidScreen(sp) (HasTerminal(sp) && !IsPreScreen(sp)) + +#if BROKEN_LINKER || USE_REENTRANT +#define CurTerm _nc_prescreen._cur_term +#else +#define CurTerm cur_term +#endif + +#if NCURSES_SP_FUNCS +#define TerminalOf(sp) ((sp) ? ((sp)->_term ? (sp)->_term : CurTerm) : CurTerm) +#else +#define TerminalOf(sp) CurTerm +#endif + +#include <term.h> + +/* + * Reduce dependency on cur_term global by using terminfo data from SCREEN's + * pointer to this data. + */ +#ifdef USE_SP_TERMTYPE +#undef CUR +#endif + +#define SP_TERMTYPE TerminalOf(sp)->type. + +#include <term_entry.h> + +#include <nc_tparm.h> + +/* + * Use these macros internally, to make tracing less verbose. But leave the + * option for compiling the tracing into the library. + */ +#if 1 +#define ColorPair(n) NCURSES_BITS(n, 0) +#define PairNumber(a) (NCURSES_CAST(int,(((unsigned long)(a) & A_COLOR) >> NCURSES_ATTR_SHIFT))) +#else +#define ColorPair(pair) COLOR_PAIR(pair) +#define PairNumber(attr) PAIR_NUMBER(attr) +#endif + +#define unColor(n) unColor2(AttrOf(n)) +#define unColor2(a) ((a) & ALL_BUT_COLOR) + +/* + * Extended-colors stores the color pair in a separate struct-member than the + * attributes. But for compatibility, we handle most cases where a program + * written for non-extended colors stores the color in the attributes by + * checking for a color pair in both places. + */ +#if NCURSES_EXT_COLORS +#define if_EXT_COLORS(stmt) stmt +#define SetPair(value,p) SetPair2((value).ext_color, AttrOf(value), p) +#define SetPair2(c,a,p) c = (p), \ + a = (unColor2(a) | (A_COLOR & ColorPair(oldColor(c)))) +#define GetPair(value) GetPair2((value).ext_color, AttrOf(value)) +#define GetPair2(c,a) ((c) ? (c) : PairNumber(a)) +#define oldColor(p) (((p) > 255) ? 255 : (p)) +#define GET_WINDOW_PAIR(w) GetPair2((w)->_color, (w)->_attrs) +#define SET_WINDOW_PAIR(w,p) (w)->_color = (p) +#define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b) && GetPair(a) == GetPair(b)) + +#if NCURSES_SP_FUNCS +#define VIDATTR(sp,attr,pair) NCURSES_SP_NAME(vid_attr)(sp, attr, pair, 0) +#else +#define VIDATTR(sp,attr,pair) vid_attr(attr, pair, 0) +#endif + +#else /* !NCURSES_EXT_COLORS */ + +#define if_EXT_COLORS(stmt) /* nothing */ +#define SetPair(value,p) RemAttr(value, A_COLOR), \ + SetAttr(value, AttrOf(value) | (A_COLOR & (attr_t) ColorPair(p))) +#define GetPair(value) PairNumber(AttrOf(value)) +#define GET_WINDOW_PAIR(w) PairNumber(WINDOW_ATTRS(w)) +#define SET_WINDOW_PAIR(w,p) WINDOW_ATTRS(w) &= ALL_BUT_COLOR, \ + WINDOW_ATTRS(w) |= (A_COLOR & (attr_t) ColorPair(p)) +#define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b)) + +#if NCURSES_SP_FUNCS +#define VIDATTR(sp,attr,pair) NCURSES_SP_NAME(vidattr)(sp, attr) +#else +#define VIDATTR(sp,attr,pair) vidattr(attr) +#endif + +#endif /* NCURSES_EXT_COLORS */ + +#if NCURSES_NO_PADDING +#define GetNoPadding(sp) ((sp) ? (sp)->_no_padding : _nc_prescreen._no_padding) +#define SetNoPadding(sp) _nc_set_no_padding(sp) +extern NCURSES_EXPORT(void) _nc_set_no_padding(SCREEN *); +#else +#define GetNoPadding(sp) FALSE +#define SetNoPadding(sp) /*nothing*/ +#endif + +#define WINDOW_ATTRS(w) ((w)->_attrs) + +#define SCREEN_ATTRS(s) (*((s)->_current_attr)) +#define GET_SCREEN_PAIR(s) GetPair(SCREEN_ATTRS(s)) +#define SET_SCREEN_PAIR(s,p) SetPair(SCREEN_ATTRS(s), p) + +#if USE_REENTRANT || NCURSES_SP_FUNCS +NCURSES_EXPORT(int *) _nc_ptr_Lines (SCREEN *); +NCURSES_EXPORT(int *) _nc_ptr_Cols (SCREEN *); +NCURSES_EXPORT(int *) _nc_ptr_Tabsize (SCREEN *); +NCURSES_EXPORT(int *) _nc_ptr_Escdelay (SCREEN *); +#endif + +#if USE_REENTRANT + +#define ptrLines(sp) (sp ? &(sp->_LINES) : &(_nc_prescreen._LINES)) +#define ptrCols(sp) (sp ? &(sp->_COLS) : &(_nc_prescreen._COLS)) +#define ptrTabsize(sp) (sp ? &(sp->_TABSIZE) : &(_nc_prescreen._TABSIZE)) +#define ptrEscdelay(sp) (sp ? &(sp->_ESCDELAY) : &(_nc_prescreen._ESCDELAY)) + +#define SET_LINES(value) *_nc_ptr_Lines(SP_PARM) = value +#define SET_COLS(value) *_nc_ptr_Cols(SP_PARM) = value +#define SET_TABSIZE(value) *_nc_ptr_Tabsize(SP_PARM) = value +#define SET_ESCDELAY(value) *_nc_ptr_Escdelay(SP_PARM) = value + +#else + +#define ptrLines(sp) &LINES +#define ptrCols(sp) &COLS +#define ptrTabsize(sp) &TABSIZE +#define ptrEscdelay(sp) &ESCDELAY + +#define SET_LINES(value) LINES = value +#define SET_COLS(value) COLS = value +#define SET_TABSIZE(value) TABSIZE = value +#define SET_ESCDELAY(value) ESCDELAY = value + +#endif + +#define TR_MUTEX(data) _tracef("%s@%d: me:%08lX COUNT:%2u/%2d/%6d/%2d/%s%9u: " #data, \ + __FILE__, __LINE__, \ + (unsigned long) (pthread_self()), \ + data.__data.__lock, \ + data.__data.__count, \ + data.__data.__owner, \ + data.__data.__kind, \ + (data.__data.__nusers > 5) ? " OOPS " : "", \ + data.__data.__nusers) +#define TR_GLOBAL_MUTEX(name) TR_MUTEX(_nc_globals.mutex_##name) + +#if USE_WEAK_SYMBOLS +#if defined(__GNUC__) +# if defined __USE_ISOC99 +# define _cat_pragma(exp) _Pragma(#exp) +# define _weak_pragma(exp) _cat_pragma(weak name) +# else +# define _weak_pragma(exp) +# endif +# define _declare(name) __extension__ extern __typeof__(name) name +# define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak)) +#endif +#endif + +#ifdef USE_PTHREADS + +#if USE_REENTRANT +#include <pthread.h> +extern NCURSES_EXPORT(void) _nc_init_pthreads(void); +extern NCURSES_EXPORT(void) _nc_mutex_init(pthread_mutex_t *); +extern NCURSES_EXPORT(int) _nc_mutex_lock(pthread_mutex_t *); +extern NCURSES_EXPORT(int) _nc_mutex_trylock(pthread_mutex_t *); +extern NCURSES_EXPORT(int) _nc_mutex_unlock(pthread_mutex_t *); +#define _nc_lock_global(name) _nc_mutex_lock(&_nc_globals.mutex_##name) +#define _nc_try_global(name) _nc_mutex_trylock(&_nc_globals.mutex_##name) +#define _nc_unlock_global(name) _nc_mutex_unlock(&_nc_globals.mutex_##name) + +#else +#error POSIX threads requires --enable-reentrant option +#endif + +#ifdef USE_PTHREADS +# if USE_WEAK_SYMBOLS +weak_symbol(pthread_sigmask); +weak_symbol(pthread_kill); +weak_symbol(pthread_self); +weak_symbol(pthread_equal); +weak_symbol(pthread_mutex_init); +weak_symbol(pthread_mutex_lock); +weak_symbol(pthread_mutex_unlock); +weak_symbol(pthread_mutex_trylock); +weak_symbol(pthread_mutexattr_settype); +weak_symbol(pthread_mutexattr_init); +extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *); +# undef sigprocmask +# define sigprocmask _nc_sigprocmask +# endif +#endif + +#if HAVE_NANOSLEEP +#undef HAVE_NANOSLEEP +#define HAVE_NANOSLEEP 0 /* nanosleep suspends all threads */ +#endif + +#else /* !USE_PTHREADS */ + +#if USE_PTHREADS_EINTR +# if USE_WEAK_SYMBOLS +#include <pthread.h> +weak_symbol(pthread_sigmask); +weak_symbol(pthread_kill); +weak_symbol(pthread_self); +weak_symbol(pthread_equal); +extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *); +# undef sigprocmask +# define sigprocmask _nc_sigprocmask +# endif +#endif /* USE_PTHREADS_EINTR */ + +#define _nc_init_pthreads() /* nothing */ +#define _nc_mutex_init(obj) /* nothing */ + +#define _nc_lock_global(name) /* nothing */ +#define _nc_try_global(name) 0 +#define _nc_unlock_global(name) /* nothing */ + +#endif /* USE_PTHREADS */ + +/* + * When using sp-funcs, locks are targeted to SCREEN-level granularity. + * So the locking is done in the non-sp-func (which calls the sp-func) rather + * than in the sp-func itself. + * + * Use the _nc_nonsp_XXX functions in the function using "NCURSES_SP_NAME()". + * Use the _nc_sp_XXX functions in the function using "#if NCURSES_SP_FUNCS". + */ +#if NCURSES_SP_FUNCS + +#define _nc_nonsp_lock_global(name) /* nothing */ +#define _nc_nonsp_try_global(name) 0 +#define _nc_nonsp_unlock_global(name) /* nothing */ + +#define _nc_sp_lock_global(name) _nc_lock_global(name) +#define _nc_sp_try_global(name) _nc_try_global(name) +#define _nc_sp_unlock_global(name) _nc_unlock_global(name) + +#else + +#define _nc_nonsp_lock_global(name) _nc_lock_global(name) +#define _nc_nonsp_try_global(name) _nc_try_global(name) +#define _nc_nonsp_unlock_global(name) _nc_unlock_global(name) + +#define _nc_sp_lock_global(name) /* nothing */ +#define _nc_sp_try_global(name) 0 +#define _nc_sp_unlock_global(name) /* nothing */ + +#endif + +#if HAVE_GETTIMEOFDAY +# define PRECISE_GETTIME 1 +# define TimeType struct timeval +#else +# define PRECISE_GETTIME 0 +# define TimeType time_t +#endif + +/* + * Definitions for color pairs + */ +typedef unsigned colorpair_t; /* type big enough to store PAIR_OF() */ +#define C_SHIFT 9 /* we need more bits than there are colors */ +#define C_MASK ((1 << C_SHIFT) - 1) +#define PAIR_OF(fg, bg) (colorpair_t) ((((fg) & C_MASK) << C_SHIFT) | ((bg) & C_MASK)) +#define FORE_OF(c) (((c) >> C_SHIFT) & C_MASK) +#define BACK_OF(c) ((c) & C_MASK) +#define isDefaultColor(c) ((c) >= COLOR_DEFAULT || (c) < 0) + +#define COLOR_DEFAULT C_MASK + +#if defined(USE_BUILD_CC) || (defined(USE_TERMLIB) && !defined(NEED_NCURSES_CH_T)) + +#undef NCURSES_CH_T /* this is not a termlib feature */ +#define NCURSES_CH_T void /* ...but we need a pointer in SCREEN */ + +#endif /* USE_TERMLIB */ + +#ifndef USE_TERMLIB +struct ldat +{ + NCURSES_CH_T *text; /* text of the line */ + NCURSES_SIZE_T firstchar; /* first changed character in the line */ + NCURSES_SIZE_T lastchar; /* last changed character in the line */ + NCURSES_SIZE_T oldindex; /* index of the line at last update */ +}; +#endif /* USE_TERMLIB */ + +typedef enum { + M_XTERM = -1 /* use xterm's mouse tracking? */ + ,M_NONE = 0 /* no mouse device */ +#if USE_GPM_SUPPORT + ,M_GPM /* use GPM */ +#endif +#if USE_SYSMOUSE + ,M_SYSMOUSE /* FreeBSD sysmouse on console */ +#endif +#ifdef USE_TERM_DRIVER + ,M_TERM_DRIVER /* Win32 console, etc */ +#endif +} MouseType; + +/* + * Structures for scrolling. + */ + +typedef struct { + unsigned long hashval; + int oldcount, newcount; + int oldindex, newindex; +} HASHMAP; + +/* + * Structures for soft labels. + */ + +struct _SLK; + +#if !(defined(USE_TERMLIB) || defined(USE_BUILD_CC)) + +typedef struct +{ + char *ent_text; /* text for the label */ + char *form_text; /* formatted text (left/center/...) */ + int ent_x; /* x coordinate of this field */ + char dirty; /* this label has changed */ + char visible; /* field is visible */ +} slk_ent; + +typedef struct _SLK { + bool dirty; /* all labels have changed */ + bool hidden; /* soft labels are hidden */ + WINDOW *win; + slk_ent *ent; + short maxlab; /* number of available labels */ + short labcnt; /* number of allocated labels */ + short maxlen; /* length of labels */ + NCURSES_CH_T attr; /* soft label attribute */ +} SLK; + +#endif /* USE_TERMLIB */ + +typedef struct { + WINDOW *win; /* the window used in the hook */ + int line; /* lines to take, < 0 => from bottom*/ + int (*hook)(WINDOW *, int); /* callback for user */ +} ripoff_t; + +#if USE_GPM_SUPPORT +#undef buttons /* term.h defines this, and gpm uses it! */ +#include <gpm.h> + +#ifdef HAVE_LIBDL +/* link dynamically to GPM */ +typedef int *TYPE_gpm_fd; +typedef int (*TYPE_Gpm_Open) (Gpm_Connect *, int); +typedef int (*TYPE_Gpm_Close) (void); +typedef int (*TYPE_Gpm_GetEvent) (Gpm_Event *); + +#define my_gpm_fd SP_PARM->_mouse_gpm_fd +#define my_Gpm_Open SP_PARM->_mouse_Gpm_Open +#define my_Gpm_Close SP_PARM->_mouse_Gpm_Close +#define my_Gpm_GetEvent SP_PARM->_mouse_Gpm_GetEvent +#else +/* link statically to GPM */ +#define my_gpm_fd &gpm_fd +#define my_Gpm_Open Gpm_Open +#define my_Gpm_Close Gpm_Close +#define my_Gpm_GetEvent Gpm_GetEvent +#endif /* HAVE_LIBDL */ +#endif /* USE_GPM_SUPPORT */ + +typedef struct { + long sequence; + bool last_used; + char *fix_sgr0; /* this holds the filtered sgr0 string */ + char *last_bufp; /* help with fix_sgr0 leak */ + TERMINAL *last_term; +} TGETENT_CACHE; + +#define TGETENT_MAX 4 + +/* + * State of tparm(). + */ +#define STACKSIZE 20 + +typedef struct { + union { + int num; + char *str; + } data; + bool num_type; +} STACK_FRAME; + +#define NUM_VARS 26 + +typedef struct { +#ifdef TRACE + const char *tname; +#endif + const char *tparam_base; + + STACK_FRAME stack[STACKSIZE]; + int stack_ptr; + + char *out_buff; + size_t out_size; + size_t out_used; + + char *fmt_buff; + size_t fmt_size; + + int dynamic_var[NUM_VARS]; + int static_vars[NUM_VARS]; +} TPARM_STATE; + +typedef struct { + char *text; + size_t size; +} TRACEBUF; + +/* + * The filesystem database normally uses a single-letter for the lower level + * of directories. Use a hexadecimal code for filesystems which do not + * preserve mixed-case names. + */ +#if MIXEDCASE_FILENAMES +#define LEAF_FMT "%c" +#define LEAF_LEN 1 +#else +#define LEAF_FMT "%02x" +#define LEAF_LEN 2 +#endif + +/* + * TRACEMSE_FMT is no longer than 80 columns, there are 5 numbers that + * could at most have 10 digits, and the mask contains no more than 32 bits + * with each bit representing less than 15 characters. Usually the whole + * string is less than 80 columns, but this buffer size is an absolute + * limit. + */ +#define TRACEMSE_MAX (80 + (5 * 10) + (32 * 15)) +#define TRACEMSE_FMT "id %2d at (%2d, %2d, %2d) state %4lx = {" /* } */ + +#ifdef USE_TERM_DRIVER +struct DriverTCB; /* Terminal Control Block forward declaration */ +#define INIT_TERM_DRIVER() _nc_globals.term_driver = _nc_get_driver +#else +#define INIT_TERM_DRIVER() /* nothing */ +#endif + +/* + * Global data which is not specific to a screen. + */ +typedef struct { + SIG_ATOMIC_T have_sigwinch; + SIG_ATOMIC_T cleanup_nested; + + bool init_signals; + bool init_screen; + + const char *comp_sourcename; + char *comp_termtype; + + bool have_tic_directory; + bool keep_tic_directory; + const char *tic_directory; + + char *dbi_list; + int dbi_size; + + char *first_name; + char **keyname_table; + + int slk_format; + + char *safeprint_buf; + size_t safeprint_used; + + TGETENT_CACHE tgetent_cache[TGETENT_MAX]; + int tgetent_index; + long tgetent_sequence; + +#ifndef USE_SP_WINDOWLIST + WINDOWLIST *_nc_windowlist; +#define WindowList(sp) _nc_globals._nc_windowlist +#endif + +#if USE_HOME_TERMINFO + char *home_terminfo; +#endif + +#if !USE_SAFE_SPRINTF + int safeprint_cols; + int safeprint_rows; +#endif + +#ifdef USE_TERM_DRIVER + int (*term_driver)(struct DriverTCB*, const char*, int*); +#endif + +#ifdef TRACE + bool init_trace; + char trace_fname[PATH_MAX]; + int trace_level; + FILE *trace_fp; + + char *tracearg_buf; + size_t tracearg_used; + + TRACEBUF *tracebuf_ptr; + size_t tracebuf_used; + + char tracechr_buf[40]; + + char *tracedmp_buf; + size_t tracedmp_used; + + unsigned char *tracetry_buf; + size_t tracetry_used; + + char traceatr_color_buf[2][80]; + int traceatr_color_sel; + int traceatr_color_last; +#if !defined(USE_PTHREADS) && USE_REENTRANT + int nested_tracef; +#endif +#endif /* TRACE */ + +#ifdef USE_PTHREADS + pthread_mutex_t mutex_curses; + pthread_mutex_t mutex_tst_tracef; + pthread_mutex_t mutex_tracef; + int nested_tracef; + int use_pthreads; +#define _nc_use_pthreads _nc_globals.use_pthreads +#endif +#if USE_PTHREADS_EINTR + pthread_t read_thread; /* The reading thread */ +#endif +} NCURSES_GLOBALS; + +extern NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals; + +#define N_RIPS 5 + +/* + * Global data which can be swept up into a SCREEN when one is created. + * It may be modified before the next SCREEN is created. + */ +typedef struct { + bool use_env; + bool filter_mode; + attr_t previous_attr; +#ifndef USE_SP_RIPOFF + ripoff_t rippedoff[N_RIPS]; + ripoff_t *rsp; +#endif + TPARM_STATE tparm_state; + TTY *saved_tty; /* savetty/resetty information */ +#if NCURSES_NO_PADDING + bool _no_padding; /* flag to set if padding disabled */ +#endif + NCURSES_SP_OUTC _outch; /* output handler if not putc */ +#if BROKEN_LINKER || USE_REENTRANT + chtype *real_acs_map; + int _LINES; + int _COLS; + int _TABSIZE; + int _ESCDELAY; + TERMINAL *_cur_term; +#ifdef TRACE + long _outchars; + const char *_tputs_trace; +#endif +#endif +} NCURSES_PRESCREEN; + +/* + * Use screen-specific ripoff data (for softkeys) rather than global. + */ +#ifdef USE_SP_RIPOFF +#define safe_ripoff_sp (sp)->rsp +#define safe_ripoff_stack (sp)->rippedoff +#else +#define safe_ripoff_sp _nc_prescreen.rsp +#define safe_ripoff_stack _nc_prescreen.rippedoff +#endif + +extern NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen; + +/* + * The SCREEN structure. + */ + +struct screen { + int _ifd; /* input file ptr for screen */ + FILE *_ofp; /* output file ptr for screen */ + char *_setbuf; /* buffered I/O for output */ + bool _filtered; /* filter() was called */ + bool _buffered; /* setvbuf uses _setbuf data */ + bool _prescreen; /* is in prescreen phase */ + bool _use_env; /* LINES & COLS from environment? */ + int _checkfd; /* filedesc for typeahead check */ + TERMINAL *_term; /* terminal type information */ + TTY _saved_tty; /* savetty/resetty information */ + NCURSES_SIZE_T _lines; /* screen lines */ + NCURSES_SIZE_T _columns; /* screen columns */ + + NCURSES_SIZE_T _lines_avail; /* lines available for stdscr */ + NCURSES_SIZE_T _topstolen; /* lines stolen from top */ + + WINDOW *_curscr; /* current screen */ + WINDOW *_newscr; /* virtual screen to be updated to */ + WINDOW *_stdscr; /* screen's full-window context */ + +#define CurScreen(sp) (sp)->_curscr +#define NewScreen(sp) (sp)->_newscr +#define StdScreen(sp) (sp)->_stdscr + + TRIES *_keytry; /* "Try" for use with keypad mode */ + TRIES *_key_ok; /* Disabled keys via keyok(,FALSE) */ + bool _tried; /* keypad mode was initialized */ + bool _keypad_on; /* keypad mode is currently on */ + + bool _called_wgetch; /* check for recursion in wgetch() */ + int _fifo[FIFO_SIZE]; /* input push-back buffer */ + short _fifohead, /* head of fifo queue */ + _fifotail, /* tail of fifo queue */ + _fifopeek, /* where to peek for next char */ + _fifohold; /* set if breakout marked */ + + int _endwin; /* are we out of window mode? */ + NCURSES_CH_T *_current_attr; /* holds current attributes set */ + int _coloron; /* is color enabled? */ + int _color_defs; /* are colors modified */ + int _cursor; /* visibility of the cursor */ + int _cursrow; /* physical cursor row */ + int _curscol; /* physical cursor column */ + bool _notty; /* true if we cannot switch non-tty */ + int _nl; /* True if NL -> CR/NL is on */ + int _raw; /* True if in raw mode */ + int _cbreak; /* 1 if in cbreak mode */ + /* > 1 if in halfdelay mode */ + int _echo; /* True if echo on */ + int _use_meta; /* use the meta key? */ + struct _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 + bool _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 _home_cost; /* cost of (cursor_home) */ + int _ll_cost; /* cost of (cursor_to_ll) */ +#if USE_HARD_TABS + int _ht_cost; /* cost of (tab) */ + int _cbt_cost; /* cost of (backtab) */ +#endif /* USE_HARD_TABS */ + int _cub1_cost; /* cost of (cursor_left) */ + int _cuf1_cost; /* cost of (cursor_right) */ + int _cud1_cost; /* cost of (cursor_down) */ + int _cuu1_cost; /* cost of (cursor_up) */ + int _cub_cost; /* cost of (parm_cursor_left) */ + int _cuf_cost; /* cost of (parm_cursor_right) */ + int _cud_cost; /* cost of (parm_cursor_down) */ + int _cuu_cost; /* cost of (parm_cursor_up) */ + int _hpa_cost; /* cost of (column_address) */ + int _vpa_cost; /* cost of (row_address) */ + /* 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 _dch1_cost; /* cost of (delete_character) */ + int _ich1_cost; /* cost of (insert_character) */ + int _dch_cost; /* cost of (parm_dch) */ + int _ich_cost; /* cost of (parm_ich) */ + int _ech_cost; /* cost of (erase_chars) */ + 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; + /* used in tty_update.c */ + int _scrolling; /* 1 if terminal's smart enough to */ + + /* used in lib_color.c */ + color_t *_color_table; /* screen's color palette */ + int _color_count; /* count of colors in palette */ + colorpair_t *_color_pairs; /* screen's color pair list */ + int _pair_count; /* count of color pairs */ + int _pair_limit; /* actual limit of color-pairs */ +#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 */ + int _default_pairs; /* count pairs using default color */ +#endif + chtype _ok_attributes; /* valid attributes for terminal */ + chtype _xmc_suppress; /* attributes to suppress if xmc */ + chtype _xmc_triggers; /* attributes to process if xmc */ + chtype * _acs_map; /* the real alternate-charset map */ + bool * _screen_acs_map; + + + /* 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 + * documentation specify that these functions apply to the window which + * is given as an argument. However, ncurses implements this logic + * only for the newscr/curscr update process, _not_ per-window. + */ + bool _nc_sp_idlok; + bool _nc_sp_idcok; + + /* + * These are the data that support the mouse interface. + */ + bool _mouse_initialized; + MouseType _mouse_type; + int _maxclick; + bool (*_mouse_event) (SCREEN *); + bool (*_mouse_inline)(SCREEN *); + bool (*_mouse_parse) (SCREEN *, int); + void (*_mouse_resume)(SCREEN *); + void (*_mouse_wrap) (SCREEN *); + int _mouse_fd; /* file-descriptor, if any */ + bool _mouse_active; /* true if initialized */ + mmask_t _mouse_mask; + NCURSES_CONST char *_mouse_xtermcap; /* string to enable/disable mouse */ + MEVENT _mouse_events[EV_MAX]; /* hold the last mouse event seen */ + MEVENT *_mouse_eventp; /* next free slot in event queue */ + +#if USE_GPM_SUPPORT + bool _mouse_gpm_loaded; + bool _mouse_gpm_found; +#ifdef HAVE_LIBDL + void *_dlopen_gpm; + TYPE_gpm_fd _mouse_gpm_fd; + TYPE_Gpm_Open _mouse_Gpm_Open; + TYPE_Gpm_Close _mouse_Gpm_Close; + TYPE_Gpm_GetEvent _mouse_Gpm_GetEvent; +#endif + Gpm_Connect _mouse_gpm_connect; +#endif /* USE_GPM_SUPPORT */ + +#if USE_EMX_MOUSE + int _emxmouse_wfd; + int _emxmouse_thread; + int _emxmouse_activated; + char _emxmouse_buttons[4]; +#endif + +#if USE_SYSMOUSE + MEVENT _sysmouse_fifo[FIFO_SIZE]; + int _sysmouse_head; + int _sysmouse_tail; + int _sysmouse_char_width; /* character width */ + int _sysmouse_char_height; /* character height */ + int _sysmouse_old_buttons; + int _sysmouse_new_buttons; +#endif + +#ifdef USE_TERM_DRIVER + MEVENT _drv_mouse_fifo[FIFO_SIZE]; + int _drv_mouse_head; + int _drv_mouse_tail; + int _drv_mouse_old_buttons; + int _drv_mouse_new_buttons; +#endif + /* + * This supports automatic resizing + */ +#if USE_SIZECHANGE + int (*_resize)(NCURSES_SP_DCLx int y, int x); +#endif + + /* + * These are data that support the proper handling of the panel stack on an + * per screen basis. + */ + struct panelhook _panelHook; + + bool _sig_winch; + SCREEN *_next_screen; + + /* hashes for old and new lines */ + unsigned long *oldhash, *newhash; + HASHMAP *hashtab; + int hashtab_len; + int *_oldnum_list; + int _oldnum_size; + + bool _cleanup; /* cleanup after int/quit signal */ + NCURSES_SP_OUTC _outch; /* output handler if not putc */ + + int _legacy_coding; /* see use_legacy_coding() */ + +#if USE_REENTRANT + char _ttytype[NAMESIZE]; + int _ESCDELAY; + int _TABSIZE; + int _LINES; + int _COLS; +#ifdef TRACE + long _outchars; + const char *_tputs_trace; +#endif +#endif + +#ifdef TRACE + char tracechr_buf[40]; + char tracemse_buf[TRACEMSE_MAX]; +#endif +#ifdef USE_SP_WINDOWLIST + WINDOWLIST* _windowlist; +#define WindowList(sp) (sp)->_windowlist +#endif + NCURSES_OUTC jump; + + ripoff_t rippedoff[N_RIPS]; + ripoff_t *rsp; + + /* + * ncurses/ncursesw are the same up to this point. + */ +#if USE_WIDEC_SUPPORT + /* recent versions of 'screen' have partially-working support for + * UTF-8, but do not permit ACS at the same time (see tty_update.c). + */ + bool _screen_acs_fix; +#endif +}; + +extern NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain; +extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch; + + WINDOWLIST { + WINDOWLIST *next; + SCREEN *screen; /* screen containing the window */ + WINDOW win; /* WINDOW_EXT() needs to account for offset */ +#ifdef NCURSES_WIDECHAR + char addch_work[(MB_LEN_MAX * 9) + 1]; + unsigned addch_used; /* number of bytes in addch_work[] */ + int addch_x; /* x-position for addch_work[] */ + int addch_y; /* y-position for addch_work[] */ +#endif +}; + +#define WINDOW_EXT(w,m) (((WINDOWLIST *)((void *)((char *)(w) - offsetof(WINDOWLIST, win))))->m) + +#define SP_PRE_INIT(sp) \ + 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->_cursor = -1; \ + WindowList(sp) = 0; \ + sp->_outch = NCURSES_SP_NAME(_nc_outch); \ + sp->jump = 0 \ + +/* usually in <limits.h> */ +#ifndef UCHAR_MAX +#define UCHAR_MAX 255 +#endif + +/* The terminfo source is assumed to be 7-bit ASCII */ +#define is7bits(c) ((unsigned)(c) < 128) + +/* Checks for isprint() should be done on 8-bit characters (non-wide) */ +#define is8bits(c) ((unsigned)(c) <= UCHAR_MAX) + +#ifndef min +#define min(a,b) ((a) > (b) ? (b) : (a)) +#endif + +#ifndef max +#define max(a,b) ((a) < (b) ? (b) : (a)) +#endif + +/* usually in <unistd.h> */ +#ifndef STDIN_FILENO +#define STDIN_FILENO 0 +#endif + +#ifndef STDOUT_FILENO +#define STDOUT_FILENO 1 +#endif + +#ifndef STDERR_FILENO +#define STDERR_FILENO 2 +#endif + +#ifndef EXIT_SUCCESS +#define EXIT_SUCCESS 0 +#endif + +#ifndef EXIT_FAILURE +#define EXIT_FAILURE 1 +#endif + +#ifndef R_OK +#define R_OK 4 /* Test for read permission. */ +#endif +#ifndef W_OK +#define W_OK 2 /* Test for write permission. */ +#endif +#ifndef X_OK +#define X_OK 1 /* Test for execute permission. */ +#endif +#ifndef F_OK +#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 + +#ifdef TRACE +#if USE_REENTRANT +#define COUNT_OUTCHARS(n) _nc_count_outchars(n); +#else +#define COUNT_OUTCHARS(n) _nc_outchars += (n); +#endif +#else +#define COUNT_OUTCHARS(n) /* nothing */ +#endif + +#define RESET_OUTCHARS() COUNT_OUTCHARS(-_nc_outchars) + +#define UChar(c) ((unsigned char)(c)) +#define UShort(c) ((unsigned short)(c)) +#define ChCharOf(c) ((c) & (chtype)A_CHARTEXT) +#define ChAttrOf(c) ((c) & (chtype)A_ATTRIBUTES) + +#ifndef MB_LEN_MAX +#define MB_LEN_MAX 8 /* should be >= MB_CUR_MAX, but that may be a function */ +#endif + +#if USE_WIDEC_SUPPORT /* { */ +#define isEILSEQ(status) (((size_t)status == (size_t)-1) && (errno == EILSEQ)) + +#define init_mb(state) memset(&state, 0, sizeof(state)) + +#if NCURSES_EXT_COLORS +#define NulColor , 0 +#else +#define NulColor /* nothing */ +#endif + +#define NulChar 0,0,0,0 /* FIXME: see CCHARW_MAX */ +#define CharOf(c) ((c).chars[0]) +#define AttrOf(c) ((c).attr) + +#define AddAttr(c,a) AttrOf(c) |= ((a) & A_ATTRIBUTES) +#define RemAttr(c,a) AttrOf(c) &= ~((a) & A_ATTRIBUTES) +#define SetAttr(c,a) AttrOf(c) = ((a) & A_ATTRIBUTES) | WidecExt(c) + +#define NewChar2(c,a) { a, { c, NulChar } NulColor } +#define NewChar(ch) NewChar2(ChCharOf(ch), ChAttrOf(ch)) + +#if CCHARW_MAX == 5 +#define CharEq(a,b) (((a).attr == (b).attr) \ + && (a).chars[0] == (b).chars[0] \ + && (a).chars[1] == (b).chars[1] \ + && (a).chars[2] == (b).chars[2] \ + && (a).chars[3] == (b).chars[3] \ + && (a).chars[4] == (b).chars[4] \ + if_EXT_COLORS(&& (a).ext_color == (b).ext_color)) +#else +#define CharEq(a,b) (!memcmp(&(a), &(b), sizeof(a))) +#endif + +#define SetChar(ch,c,a) do { \ + NCURSES_CH_T *_cp = &ch; \ + memset(_cp, 0, sizeof(ch)); \ + _cp->chars[0] = (wchar_t) (c); \ + _cp->attr = (a); \ + if_EXT_COLORS(SetPair(ch, PairNumber(a))); \ + } while (0) +#define CHREF(wch) (&wch) +#define CHDEREF(wch) (*wch) +#define ARG_CH_T NCURSES_CH_T * +#define CARG_CH_T const NCURSES_CH_T * +#define PUTC_DATA char PUTC_buf[MB_LEN_MAX]; int PUTC_i, PUTC_n; \ + mbstate_t PUT_st; wchar_t PUTC_ch +#define PUTC_INIT init_mb (PUT_st) +#define PUTC(ch,b) do { if(!isWidecExt(ch)) { \ + if (Charable(ch)) { \ + fputc(CharOf(ch), b); \ + COUNT_OUTCHARS(1); \ + } else { \ + PUTC_INIT; \ + for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) { \ + PUTC_ch = (ch).chars[PUTC_i]; \ + if (PUTC_ch == L'\0') \ + break; \ + PUTC_n = (int) wcrtomb(PUTC_buf, \ + (ch).chars[PUTC_i], &PUT_st); \ + if (PUTC_n <= 0) { \ + if (PUTC_ch && is8bits(PUTC_ch) && PUTC_i == 0) \ + putc(PUTC_ch,b); \ + break; \ + } \ + IGNORE_RC(fwrite(PUTC_buf, (unsigned) PUTC_n, 1, b)); \ + } \ + COUNT_OUTCHARS(PUTC_i); \ + } } } while (0) + +#define BLANK NewChar2(' ', WA_NORMAL) +#define ZEROS NewChar2('\0', WA_NORMAL) +#define ISBLANK(ch) ((ch).chars[0] == L' ' && (ch).chars[1] == L'\0') + + /* + * Wide characters cannot be represented in the A_CHARTEXT mask of + * attr_t's but an application might have set a narrow character there. + * But even in that case, it would only be a printable character, or + * zero. Otherwise we can use those bits to tell if a cell is the + * first or extension part of a wide character. + */ +#define WidecExt(ch) (int) (AttrOf(ch) & A_CHARTEXT) +#define isWidecBase(ch) (WidecExt(ch) == 1) +#define isWidecExt(ch) (WidecExt(ch) > 1 && WidecExt(ch) < 32) +#define SetWidecExt(dst, ext) AttrOf(dst) &= ~A_CHARTEXT, \ + AttrOf(dst) |= (attr_t) (ext + 1) + +#define if_WIDEC(code) code +#define Charable(ch) ((SP_PARM != 0 && SP_PARM->_legacy_coding) \ + || (AttrOf(ch) & A_ALTCHARSET) \ + || (!isWidecExt(ch) && \ + (ch).chars[1] == L'\0' && \ + _nc_is_charable(CharOf(ch)))) + +#define L(ch) L ## ch +#else /* }{ */ +#define CharOf(c) ChCharOf(c) +#define AttrOf(c) ChAttrOf(c) +#define AddAttr(c,a) c |= (a) +#define RemAttr(c,a) c &= ~((a) & A_ATTRIBUTES) +#define SetAttr(c,a) c = ((c) & ~A_ATTRIBUTES) | (a) +#define NewChar(ch) (ch) +#define NewChar2(c,a) ((c) | (a)) +#define CharEq(a,b) ((a) == (b)) +#define SetChar(ch,c,a) ch = (c) | (a) +#define CHREF(wch) wch +#define CHDEREF(wch) wch +#define ARG_CH_T NCURSES_CH_T +#define CARG_CH_T NCURSES_CH_T +#define PUTC_DATA int data = 0 +#define PUTC(ch,b) do { data = CharOf(ch); putc(data,b); } while (0) + +#define BLANK (' '|A_NORMAL) +#define ZEROS ('\0'|A_NORMAL) +#define ISBLANK(ch) (CharOf(ch) == ' ') + +#define isWidecExt(ch) (0) +#define if_WIDEC(code) /* nothing */ + +#define L(ch) ch +#endif /* } */ + +#define AttrOfD(ch) AttrOf(CHDEREF(ch)) +#define CharOfD(ch) CharOf(CHDEREF(ch)) +#define SetChar2(wch,ch) SetChar(wch,ChCharOf(ch),ChAttrOf(ch)) + +#define BLANK_ATTR A_NORMAL +#define BLANK_TEXT L(' ') + +#define CHANGED -1 + +#define LEGALYX(w, y, x) \ + ((w) != 0 && \ + ((x) >= 0 && (x) <= (w)->_maxx && \ + (y) >= 0 && (y) <= (w)->_maxy)) + +#define CHANGED_CELL(line,col) \ + if (line->firstchar == _NOCHANGE) \ + line->firstchar = line->lastchar = (NCURSES_SIZE_T) col; \ + else if ((col) < line->firstchar) \ + line->firstchar = (NCURSES_SIZE_T) col; \ + else if ((col) > line->lastchar) \ + line->lastchar = (NCURSES_SIZE_T) col + +#define CHANGED_RANGE(line,start,end) \ + if (line->firstchar == _NOCHANGE \ + || line->firstchar > (start)) \ + line->firstchar = (NCURSES_SIZE_T) start; \ + if (line->lastchar == _NOCHANGE \ + || line->lastchar < (end)) \ + line->lastchar = (NCURSES_SIZE_T) end + +#define CHANGED_TO_EOL(line,start,end) \ + if (line->firstchar == _NOCHANGE \ + || line->firstchar > (start)) \ + line->firstchar = (NCURSES_SIZE_T) start; \ + line->lastchar = (NCURSES_SIZE_T) end + +#define SIZEOF(v) (sizeof(v)/sizeof(v[0])) + +#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> + +/* + * TTY bit definition for converting tabs to spaces. + */ +#ifdef TAB3 +# define OFLAGS_TABS TAB3 /* POSIX specifies TAB3 */ +#else +# ifdef XTABS +# define OFLAGS_TABS XTABS /* XTABS is usually the "same" */ +# else +# ifdef OXTABS +# define OFLAGS_TABS OXTABS /* the traditional BSD equivalent */ +# else +# define OFLAGS_TABS 0 +# endif +# endif +#endif + +/* + * Standardize/simplify common loops + */ +#define each_screen(p) p = _nc_screen_chain; p != 0; p = (p)->_next_screen +#define each_window(sp,p) p = WindowList(sp); p != 0; p = (p)->next +#define each_ripoff(p) p = safe_ripoff_stack; (p - safe_ripoff_stack) < N_RIPS; ++p + +/* + * Prefixes for call/return points of library function traces. We use these to + * instrument the public functions so that the traces can be easily transformed + * into regression scripts. + */ +#define T_CALLED(fmt) "called {" fmt +#define T_CREATE(fmt) "create :" fmt +#define T_RETURN(fmt) "return }" fmt + +#ifdef TRACE + +#if USE_REENTRANT +#define TPUTS_TRACE(s) _nc_set_tputs_trace(s); +#else +#define TPUTS_TRACE(s) _nc_tputs_trace = s; +#endif + +#define START_TRACE() \ + if ((_nc_tracing & TRACE_MAXIMUM) == 0) { \ + int t = _nc_getenv_num("NCURSES_TRACE"); \ + if (t >= 0) \ + trace((unsigned) t); \ + } + +/* + * Many of the _tracef() calls use static buffers; lock the trace state before + * trying to fill them. + */ +#if USE_REENTRANT +#define USE_TRACEF(mask) _nc_use_tracef(mask) +extern NCURSES_EXPORT(int) _nc_use_tracef (unsigned); +extern NCURSES_EXPORT(void) _nc_locked_tracef (const char *, ...) GCC_PRINTFLIKE(1,2); +#else +#define USE_TRACEF(mask) (_nc_tracing & (mask)) +#define _nc_locked_tracef _tracef +#endif + +#define TR(n, a) if (USE_TRACEF(n)) _nc_locked_tracef a +#define T(a) TR(TRACE_CALLS, a) +#define TRACE_RETURN(value,type) return _nc_retrace_##type(value) +#define TRACE_RETURN2(value,dst,src) return _nc_retrace_##dst##_##src(value) +#define TRACE_RETURN_SP(value,type) return _nc_retrace_##type(SP_PARM, value) + +#define NonNull(s) ((s) != 0 ? s : "<null>") + +#define returnAttr(code) TRACE_RETURN(code,attr_t) +#define returnBits(code) TRACE_RETURN(code,unsigned) +#define returnBool(code) TRACE_RETURN(code,bool) +#define returnCPtr(code) TRACE_RETURN(code,cptr) +#define returnCVoidPtr(code) TRACE_RETURN(code,cvoid_ptr) +#define returnChar(code) TRACE_RETURN(code,char) +#define returnChtype(code) TRACE_RETURN(code,chtype) +#define returnCode(code) TRACE_RETURN(code,int) +#define returnIntAttr(code) TRACE_RETURN2(code,int,attr_t) +#define returnMMask(code) TRACE_RETURN_SP(code,mmask_t) +#define returnPtr(code) TRACE_RETURN(code,ptr) +#define returnSP(code) TRACE_RETURN(code,sp) +#define returnVoid T((T_RETURN(""))); return +#define returnVoidPtr(code) TRACE_RETURN(code,void_ptr) +#define returnWin(code) TRACE_RETURN(code,win) + +extern NCURSES_EXPORT(NCURSES_BOOL) _nc_retrace_bool (NCURSES_BOOL); +extern NCURSES_EXPORT(NCURSES_CONST void *) _nc_retrace_cvoid_ptr (NCURSES_CONST void *); +extern NCURSES_EXPORT(SCREEN *) _nc_retrace_sp (SCREEN *); +extern NCURSES_EXPORT(WINDOW *) _nc_retrace_win (WINDOW *); +extern NCURSES_EXPORT(attr_t) _nc_retrace_attr_t (attr_t); +extern NCURSES_EXPORT(char *) _nc_retrace_ptr (char *); +extern NCURSES_EXPORT(char *) _nc_trace_ttymode(TTY *tty); +extern NCURSES_EXPORT(char *) _nc_varargs (const char *, va_list); +extern NCURSES_EXPORT(chtype) _nc_retrace_chtype (chtype); +extern NCURSES_EXPORT(const char *) _nc_altcharset_name(attr_t, chtype); +extern NCURSES_EXPORT(const char *) _nc_retrace_cptr (const char *); +extern NCURSES_EXPORT(char) _nc_retrace_char (char); +extern NCURSES_EXPORT(int) _nc_retrace_int (int); +extern NCURSES_EXPORT(int) _nc_retrace_int_attr_t (attr_t); +extern NCURSES_EXPORT(mmask_t) _nc_retrace_mmask_t (SCREEN *, mmask_t); +extern NCURSES_EXPORT(unsigned) _nc_retrace_unsigned (unsigned); +extern NCURSES_EXPORT(void *) _nc_retrace_void_ptr (void *); +extern NCURSES_EXPORT(void) _nc_fifo_dump (SCREEN *); + +#if USE_REENTRANT +NCURSES_WRAPPED_VAR(long, _nc_outchars); +NCURSES_WRAPPED_VAR(const char *, _nc_tputs_trace); +#define _nc_outchars NCURSES_PUBLIC_VAR(_nc_outchars()) +#define _nc_tputs_trace NCURSES_PUBLIC_VAR(_nc_tputs_trace()) +extern NCURSES_EXPORT(void) _nc_set_tputs_trace (const char *); +extern NCURSES_EXPORT(void) _nc_count_outchars (long); +#else +extern NCURSES_EXPORT_VAR(const char *) _nc_tputs_trace; +extern NCURSES_EXPORT_VAR(long) _nc_outchars; +#endif + +extern NCURSES_EXPORT_VAR(unsigned) _nc_tracing; + +#if USE_WIDEC_SUPPORT +extern NCURSES_EXPORT(const char *) _nc_viswbuf2 (int, const wchar_t *); +extern NCURSES_EXPORT(const char *) _nc_viswbufn (const wchar_t *, int); +#endif + +extern NCURSES_EXPORT(const char *) _nc_viscbuf2 (int, const NCURSES_CH_T *, int); +extern NCURSES_EXPORT(const char *) _nc_viscbuf (const NCURSES_CH_T *, int); + +#else /* !TRACE */ + +#define START_TRACE() /* nothing */ + +#define T(a) +#define TR(n, a) +#define TPUTS_TRACE(s) + +#define returnAttr(code) return code +#define returnBits(code) return code +#define returnBool(code) return code +#define returnCPtr(code) return code +#define returnCVoidPtr(code) return code +#define returnChar(code) return ((char) code) +#define returnChtype(code) return code +#define returnCode(code) return code +#define returnIntAttr(code) return code +#define returnMMask(code) return code +#define returnPtr(code) return code +#define returnSP(code) return code +#define returnVoid return +#define returnVoidPtr(code) return code +#define returnWin(code) return code + +#endif /* TRACE/!TRACE */ + +/* + * Workaround for defective implementation of gcc attribute warn_unused_result + */ +#if defined(__GNUC__) && defined(_FORTIFY_SOURCE) +#define IGNORE_RC(func) errno = (int) func +#else +#define IGNORE_RC(func) (void) func +#endif /* gcc workarounds */ + +/* + * Return-codes for tgetent() and friends. + */ +#define TGETENT_YES 1 /* entry is found */ +#define TGETENT_NO 0 /* entry is not found */ +#define TGETENT_ERR -1 /* an error occurred */ + +extern NCURSES_EXPORT(const char *) _nc_visbuf2 (int, const char *); +extern NCURSES_EXPORT(const char *) _nc_visbufn (const char *, int); + +#define EMPTY_MODULE(name) \ +extern NCURSES_EXPORT(void) name (void); \ + NCURSES_EXPORT(void) name (void) { } + +#define ALL_BUT_COLOR ((chtype)~(A_COLOR)) +#define NONBLANK_ATTR (A_NORMAL|A_BOLD|A_DIM|A_BLINK) +#define XMC_CHANGES(c) ((c) & SP_PARM->_xmc_suppress) + +#define toggle_attr_on(S,at) {\ + if (PairNumber(at) > 0) {\ + (S) = ((S) & ALL_BUT_COLOR) | (attr_t) (at);\ + } else {\ + (S) |= (attr_t) (at);\ + }\ + TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));} + + +#define toggle_attr_off(S,at) {\ + if (PairNumber(at) > 0) {\ + (S) &= ~(at|A_COLOR);\ + } else {\ + (S) &= ~(at);\ + }\ + TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));} + +#define DelCharCost(sp,count) \ + ((parm_dch != 0) \ + ? sp->_dch_cost \ + : ((delete_character != 0) \ + ? (sp->_dch1_cost * count) \ + : INFINITY)) + +#define InsCharCost(sp,count) \ + ((parm_ich != 0) \ + ? sp->_ich_cost \ + : ((enter_insert_mode && exit_insert_mode) \ + ? sp->_smir_cost + sp->_rmir_cost + (sp->_ip_cost * count) \ + : ((insert_character != 0) \ + ? ((sp->_ich1_cost + sp->_ip_cost) * count) \ + : INFINITY))) + +#if USE_XMC_SUPPORT +#define UpdateAttrs(sp,c) if (!SameAttrOf(SCREEN_ATTRS(sp), c)) { \ + attr_t chg = AttrOf(SCREEN_ATTRS(sp)); \ + VIDATTR(sp, AttrOf(c), GetPair(c)); \ + if (magic_cookie_glitch > 0 \ + && XMC_CHANGES((chg ^ AttrOf(SCREEN_ATTRS(sp))))) { \ + T(("%s @%d before glitch %d,%d", \ + __FILE__, __LINE__, \ + sp->_cursrow, \ + sp->_curscol)); \ + NCURSES_SP_NAME(_nc_do_xmc_glitch)(NCURSES_SP_ARGx chg); \ + } \ + } +#else +#define UpdateAttrs(sp,c) if (!SameAttrOf(SCREEN_ATTRS(sp), c)) { \ + VIDATTR(sp, AttrOf(c), GetPair(c)); \ + } +#endif + +/* + * Macros to make additional parameter to implement wgetch_events() + */ +#ifdef NCURSES_WGETCH_EVENTS +#define EVENTLIST_0th(param) param +#define EVENTLIST_1st(param) param +#define EVENTLIST_2nd(param) , param +#define TWAIT_MASK (TW_ANY | TW_EVENT) +#else +#define EVENTLIST_0th(param) void +#define EVENTLIST_1st(param) /* nothing */ +#define EVENTLIST_2nd(param) /* nothing */ +#define TWAIT_MASK TW_ANY +#endif + +#if NCURSES_EXPANDED && NCURSES_EXT_FUNCS + +#undef toggle_attr_on +#define toggle_attr_on(S,at) _nc_toggle_attr_on(&(S), at) +extern NCURSES_EXPORT(void) _nc_toggle_attr_on (attr_t *, attr_t); + +#undef toggle_attr_off +#define toggle_attr_off(S,at) _nc_toggle_attr_off(&(S), at) +extern NCURSES_EXPORT(void) _nc_toggle_attr_off (attr_t *, attr_t); + +#undef DelCharCost +#define DelCharCost(sp, count) NCURSES_SP_NAME(_nc_DelCharCost)(NCURSES_SP_ARGx count) + +#undef InsCharCost +#define InsCharCost(sp, count) NCURSES_SP_NAME(_nc_InsCharCost)(NCURSES_SP_ARGx count) + +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_DelCharCost) (NCURSES_SP_DCLx int _c); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_InsCharCost) (NCURSES_SP_DCLx int _c); + +#undef UpdateAttrs +#define UpdateAttrs(sp,c) NCURSES_SP_NAME(_nc_UpdateAttrs)(NCURSES_SP_ARGx CHREF(c)) + +#if USE_WIDEC_SUPPORT || defined(NEED_NCURSES_CH_T) +extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_UpdateAttrs) (NCURSES_SP_DCLx CARG_CH_T _c); +#else +extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_UpdateAttrs) (NCURSES_SP_DCLx chtype c); +#endif + +#if NCURSES_SP_FUNCS +extern NCURSES_EXPORT(int) _nc_DelCharCost (int); +extern NCURSES_EXPORT(int) _nc_InsCharCost (int); +extern NCURSES_EXPORT(void) _nc_UpdateAttrs (CARG_CH_T); +#endif /* NCURSES_SP_FUNCS */ + +#else + +extern NCURSES_EXPORT(void) _nc_expanded (void); + +#endif + +#if !NCURSES_EXT_FUNCS +#define set_escdelay(value) ESCDELAY = value +#endif + +#if !HAVE_GETCWD +#define getcwd(buf,len) getwd(buf) +#endif + +/* charable.c */ +#if USE_WIDEC_SUPPORT +extern NCURSES_EXPORT(bool) _nc_is_charable(wchar_t); +extern NCURSES_EXPORT(int) _nc_to_char(wint_t); +extern NCURSES_EXPORT(wint_t) _nc_to_widechar(int); +#endif + +/* comp_captab.c */ +typedef struct { + short nte_name; /* offset of name to hash on */ + int nte_type; /* BOOLEAN, NUMBER or STRING */ + short nte_index; /* index of associated variable in its array */ + short nte_link; /* index in table of next hash, or -1 */ +} name_table_data; + +typedef struct +{ + short from; + short to; + short source; +} alias_table_data; + +/* doupdate.c */ +#if USE_XMC_SUPPORT +extern NCURSES_EXPORT(void) _nc_do_xmc_glitch (attr_t); +#endif + +/* hardscroll.c */ +#if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG) +extern NCURSES_EXPORT(void) _nc_linedump (void); +#endif + +/* lib_acs.c */ +extern NCURSES_EXPORT(void) _nc_init_acs (void); /* corresponds to traditional 'init_acs()' */ +extern NCURSES_EXPORT(int) _nc_msec_cost (const char *const, int); /* used by 'tack' program */ + +/* lib_addch.c */ +#if USE_WIDEC_SUPPORT +NCURSES_EXPORT(int) _nc_build_wch(WINDOW *win, ARG_CH_T ch); +#endif + +/* lib_addstr.c */ +#if USE_WIDEC_SUPPORT && !(defined(USE_TERMLIB) || defined(USE_BUILD_CC)) +extern NCURSES_EXPORT(int) _nc_wchstrlen(const cchar_t *); +#endif + +/* lib_color.c */ +extern NCURSES_EXPORT(bool) _nc_reset_colors(void); + +/* lib_getch.c */ +extern NCURSES_EXPORT(int) _nc_wgetch(WINDOW *, int *, int EVENTLIST_2nd(_nc_eventlist *)); + +/* lib_insch.c */ +extern NCURSES_EXPORT(int) _nc_insert_ch(SCREEN *, WINDOW *, chtype); + +/* lib_mvcur.c */ +#define INFINITY 1000000 /* cost: too high to use */ + +extern NCURSES_EXPORT(void) _nc_mvcur_init (void); +extern NCURSES_EXPORT(void) _nc_mvcur_resume (void); +extern NCURSES_EXPORT(void) _nc_mvcur_wrap (void); + +extern NCURSES_EXPORT(int) _nc_scrolln (int, int, int, int); + +extern NCURSES_EXPORT(void) _nc_screen_init (void); +extern NCURSES_EXPORT(void) _nc_screen_resume (void); +extern NCURSES_EXPORT(void) _nc_screen_wrap (void); + +/* lib_mouse.c */ +extern NCURSES_EXPORT(bool) _nc_has_mouse (SCREEN *); + +/* lib_mvcur.c */ +#define INFINITY 1000000 /* cost: too high to use */ +#define BAUDBYTE 9 /* 9 = 7 bits + 1 parity + 1 stop */ + +/* lib_setup.c */ +extern NCURSES_EXPORT(char *) _nc_get_locale(void); +extern NCURSES_EXPORT(int) _nc_unicode_locale(void); +extern NCURSES_EXPORT(int) _nc_locale_breaks_acs(TERMINAL *); +extern NCURSES_EXPORT(int) _nc_setupterm(NCURSES_CONST char *, int, int *, bool); +extern NCURSES_EXPORT(void) _nc_tinfo_cmdch(TERMINAL *, char); + +/* lib_set_term.c */ +extern NCURSES_EXPORT(int) _nc_ripoffline(int, int(*)(WINDOW*, int)); + +/* lib_tstp.c */ +#if USE_SIGWINCH +extern NCURSES_EXPORT(int) _nc_handle_sigwinch(SCREEN *); +#else +#define _nc_handle_sigwinch(a) /* nothing */ +#endif + +/* lib_wacs.c */ +#if USE_WIDEC_SUPPORT +extern NCURSES_EXPORT(void) _nc_init_wacs(void); +#endif + +typedef struct { + char *s_head; /* beginning of the string (may be null) */ + char *s_tail; /* end of the string (may be null) */ + size_t s_size; /* current remaining size available */ + size_t s_init; /* total size available */ +} string_desc; + +/* strings.c */ +extern NCURSES_EXPORT(string_desc *) _nc_str_init (string_desc *, char *, size_t); +extern NCURSES_EXPORT(string_desc *) _nc_str_null (string_desc *, size_t); +extern NCURSES_EXPORT(string_desc *) _nc_str_copy (string_desc *, string_desc *); +extern NCURSES_EXPORT(bool) _nc_safe_strcat (string_desc *, const char *); +extern NCURSES_EXPORT(bool) _nc_safe_strcpy (string_desc *, const char *); + +#if !HAVE_STRSTR +#define strstr _nc_strstr +extern NCURSES_EXPORT(char *) _nc_strstr (const char *, const char *); +#endif + +/* safe_sprintf.c */ +extern NCURSES_EXPORT(char *) _nc_printf_string (const char *, va_list); + +/* tries.c */ +extern NCURSES_EXPORT(int) _nc_add_to_try (TRIES **, const char *, unsigned); +extern NCURSES_EXPORT(char *) _nc_expand_try (TRIES *, unsigned, int *, size_t); +extern NCURSES_EXPORT(int) _nc_remove_key (TRIES **, unsigned); +extern NCURSES_EXPORT(int) _nc_remove_string (TRIES **, const char *); + +/* elsewhere ... */ +extern NCURSES_EXPORT(ENTRY *) _nc_delink_entry (ENTRY *, TERMTYPE *); +extern NCURSES_EXPORT(SCREEN *) _nc_screen_of (WINDOW *); +extern NCURSES_EXPORT(TERMINAL*) _nc_get_cur_term (void); +extern NCURSES_EXPORT(WINDOW *) _nc_makenew (int, int, int, int, int); +extern NCURSES_EXPORT(char *) _nc_trace_buf (int, size_t); +extern NCURSES_EXPORT(char *) _nc_trace_bufcat (int, const char *); +extern NCURSES_EXPORT(char *) _nc_tracechar (SCREEN *, int); +extern NCURSES_EXPORT(char *) _nc_tracemouse (SCREEN *, MEVENT const *); +extern NCURSES_EXPORT(int) _nc_access (const char *, int); +extern NCURSES_EXPORT(int) _nc_baudrate (int); +extern NCURSES_EXPORT(int) _nc_freewin (WINDOW *); +extern NCURSES_EXPORT(int) _nc_getenv_num (const char *); +extern NCURSES_EXPORT(int) _nc_keypad (SCREEN *, bool); +extern NCURSES_EXPORT(int) _nc_ospeed (int); +extern NCURSES_EXPORT(int) _nc_outch (int); +extern NCURSES_EXPORT(int) _nc_putp(const char *, const char *); +extern NCURSES_EXPORT(int) _nc_putp_flush(const char *, const char *); +extern NCURSES_EXPORT(int) _nc_read_termcap_entry (const char *const, TERMTYPE *const); +extern NCURSES_EXPORT(int) _nc_setupscreen (int, int, FILE *, bool, int); +extern NCURSES_EXPORT(int) _nc_setup_tinfo(const char *, TERMTYPE *); +extern NCURSES_EXPORT(int) _nc_timed_wait (SCREEN *, int, int, int * EVENTLIST_2nd(_nc_eventlist *)); +extern NCURSES_EXPORT(void) _nc_do_color (short, short, bool, NCURSES_OUTC); +extern NCURSES_EXPORT(void) _nc_flush (void); +extern NCURSES_EXPORT(void) _nc_free_and_exit (int) GCC_NORETURN; +extern NCURSES_EXPORT(void) _nc_free_entry (ENTRY *, TERMTYPE *); +extern NCURSES_EXPORT(void) _nc_freeall (void); +extern NCURSES_EXPORT(void) _nc_hash_map (void); +extern NCURSES_EXPORT(void) _nc_init_keytry (SCREEN *); +extern NCURSES_EXPORT(void) _nc_keep_tic_dir (const char *); +extern NCURSES_EXPORT(void) _nc_make_oldhash (int i); +extern NCURSES_EXPORT(void) _nc_scroll_oldhash (int n, int top, int bot); +extern NCURSES_EXPORT(void) _nc_scroll_optimize (void); +extern NCURSES_EXPORT(void) _nc_set_buffer (FILE *, bool); +extern NCURSES_EXPORT(void) _nc_signal_handler (bool); +extern NCURSES_EXPORT(void) _nc_synchook (WINDOW *); +extern NCURSES_EXPORT(void) _nc_trace_tries (TRIES *); + +#if NO_LEAKS +extern NCURSES_EXPORT(void) _nc_alloc_entry_leaks(void); +extern NCURSES_EXPORT(void) _nc_captoinfo_leaks(void); +extern NCURSES_EXPORT(void) _nc_codes_leaks(void); +extern NCURSES_EXPORT(void) _nc_comp_captab_leaks(void); +extern NCURSES_EXPORT(void) _nc_comp_scan_leaks(void); +extern NCURSES_EXPORT(void) _nc_keyname_leaks(void); +extern NCURSES_EXPORT(void) _nc_names_leaks(void); +extern NCURSES_EXPORT(void) _nc_tgetent_leaks(void); +#endif + +#if !(defined(USE_TERMLIB) || defined(USE_BUILD_CC)) +extern NCURSES_EXPORT(NCURSES_CH_T) _nc_render (WINDOW *, NCURSES_CH_T); +extern NCURSES_EXPORT(int) _nc_waddch_nosync (WINDOW *, const NCURSES_CH_T); +extern NCURSES_EXPORT(void) _nc_scroll_window (WINDOW *, int const, NCURSES_SIZE_T const, NCURSES_SIZE_T const, NCURSES_CH_T); +#endif + +#if USE_WIDEC_SUPPORT +extern NCURSES_EXPORT(int) _nc_insert_wch(WINDOW *, const cchar_t *); +#endif + +#if USE_WIDEC_SUPPORT && !(defined(USE_TERMLIB) || defined(USE_BUILD_CC)) +extern NCURSES_EXPORT(size_t) _nc_wcrtomb (char *, wchar_t, mbstate_t *); +#endif + +#if USE_SIZECHANGE +extern NCURSES_EXPORT(void) _nc_update_screensize (SCREEN *); +#endif + +#if HAVE_RESIZETERM +extern NCURSES_EXPORT(void) _nc_resize_margins (WINDOW *); +#else +#define _nc_resize_margins(wp) /* nothing */ +#endif + +#ifdef NCURSES_WGETCH_EVENTS +extern NCURSES_EXPORT(int) _nc_eventlist_timeout(_nc_eventlist *); +#else +#define wgetch_events(win, evl) wgetch(win) +#define wgetnstr_events(win, str, maxlen, evl) wgetnstr(win, str, maxlen) +#endif + +/* + * Wide-character macros to hide some platform-differences. + */ +#if USE_WIDEC_SUPPORT +#if HAVE_MBTOWC && HAVE_MBLEN +#define reset_mbytes(state) IGNORE_RC(mblen(NULL, 0)), IGNORE_RC(mbtowc(NULL, NULL, 0)) +#define count_mbytes(buffer,length,state) mblen(buffer,length) +#define check_mbytes(wch,buffer,length,state) \ + (int) mbtowc(&wch, buffer, length) +#define state_unused +#elif HAVE_MBRTOWC && HAVE_MBRLEN +#define reset_mbytes(state) init_mb(state) +#define count_mbytes(buffer,length,state) mbrlen(buffer,length,&state) +#define check_mbytes(wch,buffer,length,state) \ + (int) mbrtowc(&wch, buffer, length, &state) +#else +make an error +#endif +#endif + +/* + * Not everyone has vsscanf(), but we'd like to use it for scanw(). + */ +#if !HAVE_VSSCANF +extern int vsscanf(const char *str, const char *format, va_list __arg); +#endif + +/* scroll indices */ +extern NCURSES_EXPORT_VAR(int *) _nc_oldnums; + +#define USE_SETBUF_0 0 + +#define NC_BUFFERED(sp,flag) NCURSES_SP_NAME(_nc_set_buffer)(NCURSES_SP_ARGx sp->_ofp, flag) + +#define NC_OUTPUT(sp) ((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'. + */ +#define _nc_alloc_screen_sp() typeCalloc(SCREEN, 1) + +#if BROKEN_LINKER +#define SP _nc_screen() +extern NCURSES_EXPORT(SCREEN *) _nc_screen (void); +extern NCURSES_EXPORT(int) _nc_alloc_screen (void); +extern NCURSES_EXPORT(void) _nc_set_screen (SCREEN *); +#define CURRENT_SCREEN _nc_screen() +#else +/* current screen is private data; avoid possible linking conflicts too */ +extern NCURSES_EXPORT_VAR(SCREEN *) SP; +#define CURRENT_SCREEN SP +#define _nc_alloc_screen() ((SP = _nc_alloc_screen_sp()) != 0) +#define _nc_set_screen(sp) SP = sp +#endif + +#if NCURSES_SP_FUNCS +#define CURRENT_SCREEN_PRE (IsPreScreen(CURRENT_SCREEN) ? CURRENT_SCREEN : new_prescr()) +#else +#define CURRENT_SCREEN_PRE CURRENT_SCREEN +#endif + +/* + * We don't want to use the lines or columns capabilities internally, because + * if the application is running multiple screens under X, it's quite possible + * they could all have type xterm but have different sizes! So... + */ +#define screen_lines(sp) (sp)->_lines +#define screen_columns(sp) (sp)->_columns + +extern NCURSES_EXPORT(int) _nc_slk_initialize (WINDOW *, int); +extern NCURSES_EXPORT(int) _nc_format_slks (NCURSES_SP_DCLx int _c); + +/* + * 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 + +/* Macro to check whether or not we use a standard format */ +#define SLK_STDFMT(fmt) (fmt < 3) +/* Macro to determine height of label window */ +#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) + +/* + * Common error messages + */ +#define MSG_NO_MEMORY "Out of memory" +#define MSG_NO_INPUTS "Premature EOF" + +extern NCURSES_EXPORT(int) _nc_set_tty_mode(TTY *); +extern NCURSES_EXPORT(int) _nc_get_tty_mode(TTY *); + +/* timed_wait flag definitions */ +#define TW_NONE 0 +#define TW_INPUT 1 +#define TW_MOUSE 2 +#define TW_ANY (TW_INPUT | TW_MOUSE) +#define TW_EVENT 4 + +#define SetSafeOutcWrapper(outc) \ + SCREEN* sp = CURRENT_SCREEN; \ + if (sp==0) { \ + struct screen dummy; \ + sp = &dummy; \ + memset(sp,0,sizeof(struct screen)); \ + sp->_outch = _nc_outc_wrapper; \ + }\ + sp->jump = outc + +#ifdef USE_TERM_DRIVER +typedef void* TERM_HANDLE; + +typedef struct _termInfo +{ + bool caninit; + + bool hascolor; + bool initcolor; + bool canchange; + + int tabsize; + + int maxcolors; + int maxpairs; + int nocolorvideo; + + int numbuttons; + int numlabels; + int labelwidth; + int labelheight; + + const color_t* defaultPalette; +} TerminalInfo; + +typedef struct term_driver { + bool isTerminfo; + bool (*CanHandle)(struct DriverTCB*,const char*,int*); + void (*init)(struct DriverTCB*); + void (*release)(struct DriverTCB*); + int (*size)(struct DriverTCB*, int* Line, int *Cols); + int (*sgmode)(struct DriverTCB*, bool setFlag, TTY*); + chtype (*conattr)(struct DriverTCB*); + int (*hwcur)(struct DriverTCB*, int yold, int xold, int y, int x); + int (*mode)(struct DriverTCB*, bool progFlag, bool defFlag); + bool (*rescol)(struct DriverTCB*); + bool (*rescolors)(struct DriverTCB*); + void (*color)(struct DriverTCB*,bool fore, int color, int(*)(SCREEN*,int)); + int (*doBeepOrFlash)(struct DriverTCB*, bool); + void (*initpair)(struct DriverTCB*,short,short,short); + void (*initcolor)(struct DriverTCB*,short,short,short,short); + void (*docolor)(struct DriverTCB*,short,short,bool,int(*)(SCREEN*,int)); + void (*initmouse)(struct DriverTCB*); + int (*testmouse)(struct DriverTCB*,int); + void (*setfilter)(struct DriverTCB*); + void (*hwlabel)(struct DriverTCB*,int,char*); + void (*hwlabelOnOff)(struct DriverTCB*,bool); + int (*update)(struct DriverTCB*); + int (*defaultcolors)(struct DriverTCB*,int,int); + int (*print)(struct DriverTCB*,char*,int); + int (*getsize)(struct DriverTCB*,int*,int*); + int (*setsize)(struct DriverTCB*,int,int); + void (*initacs)(struct DriverTCB*,chtype*,chtype*); + void (*scinit)(SCREEN *); + void (*scexit)(SCREEN *); + int (*twait)(struct DriverTCB*,int,int,int* EVENTLIST_2nd(_nc_eventlist*)); + int (*read)(struct DriverTCB*,int*); + int (*nap)(struct DriverTCB*,int); + int (*kpad)(struct DriverTCB*, bool); + int (*kyOk)(struct DriverTCB*, int, bool); + bool (*kyExist)(struct DriverTCB*, int); +} TERM_DRIVER; + +typedef struct DriverTCB +{ + TERMINAL term; /* needs to be the first Element !!! */ + TERM_HANDLE inp; /* The input handle of the Terminal */ + TERM_HANDLE out; /* The output handle of the Terminal in shell mode */ + TERM_HANDLE hdl; /* The output handle of the Terminal in prog mode */ + TERM_DRIVER* drv; /* The driver for that Terminal */ + SCREEN* csp; /* The screen that owns that Terminal */ + TerminalInfo info; /* Driver independent core capabilities of the Terminal */ + void* prop; /* Driver dependent property storage to be used by the Driver */ + long magic; +} TERMINAL_CONTROL_BLOCK; + +#define NCDRV_MAGIC(id) (0x47110000 | (id&0xffff)) +#define NCDRV_TINFO 0x01 +#define NCDRV_WINCONSOLE 0x02 + +#define TCBOf(sp) ((TERMINAL_CONTROL_BLOCK*)(TerminalOf(sp))) +#define InfoOf(sp) TCBOf(sp)->info +#define CallDriver(sp,method) TCBOf(sp)->drv->method(TCBOf(sp)) +#define CallDriver_1(sp,method,arg1) TCBOf(sp)->drv->method(TCBOf(sp),arg1) +#define CallDriver_2(sp,method,arg1,arg2) TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2) +#define CallDriver_3(sp,method,arg1,arg2,arg3) TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2,arg3) +#define CallDriver_4(sp,method,arg1,arg2,arg3,arg4) TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2,arg3,arg4) + +extern NCURSES_EXPORT_VAR(const color_t*) _nc_cga_palette; +extern NCURSES_EXPORT_VAR(const color_t*) _nc_hls_palette; + +extern NCURSES_EXPORT(int) _nc_get_driver(TERMINAL_CONTROL_BLOCK*, const char*, int*); +extern NCURSES_EXPORT(void) _nc_get_screensize_ex(SCREEN *, TERMINAL *, int *, int *); +#endif /* USE_TERM_DRIVER */ + +/* + * Entrypoints which are actually provided in the terminal driver, which would + * be an sp-name otherwise. + */ +#ifdef USE_TERM_DRIVER +#define TINFO_HAS_KEY _nc_tinfo_has_key +#define TINFO_DOUPDATE _nc_tinfo_doupdate +#define TINFO_MVCUR _nc_tinfo_mvcur +extern NCURSES_EXPORT(int) TINFO_HAS_KEY(SCREEN*, int); +extern NCURSES_EXPORT(int) TINFO_DOUPDATE(SCREEN *); +extern NCURSES_EXPORT(int) TINFO_MVCUR(SCREEN*, int, int, int, int); +#else +#define TINFO_HAS_KEY NCURSES_SP_NAME(has_key) +#define TINFO_DOUPDATE NCURSES_SP_NAME(doupdate) +#define TINFO_MVCUR NCURSES_SP_NAME(mvcur) +#endif + +/* + * Entrypoints using an extra parameter with the terminal driver. + */ +#ifdef USE_TERM_DRIVER +extern NCURSES_EXPORT(void) _nc_get_screensize(SCREEN *, TERMINAL *, int *, int *); +extern NCURSES_EXPORT(int) _nc_setupterm_ex(TERMINAL **, NCURSES_CONST char *, int , int *, bool); +#define TINFO_GET_SIZE(sp, tp, lp, cp) \ + _nc_get_screensize(sp, tp, lp, cp) +#define TINFO_SET_CURTERM(sp, tp) \ + NCURSES_SP_NAME(set_curterm)(sp, tp) +#define TINFO_SETUP_TERM(tpp, name, fd, err, reuse) \ + _nc_setupterm_ex(tpp, name, fd, err, reuse) +#else /* !USE_TERM_DRIVER */ +extern NCURSES_EXPORT(void) _nc_get_screensize(SCREEN *, int *, int *); +#define TINFO_GET_SIZE(sp, tp, lp, cp) \ + _nc_get_screensize(sp, lp, cp) +#define TINFO_SET_CURTERM(sp, tp) \ + set_curterm(tp) +#define TINFO_SETUP_TERM(tpp, name, fd, err, reuse) \ + _nc_setupterm(name, fd, err, reuse) +#endif /* !USE_TERM_DRIVER */ + +#ifdef USE_TERM_DRIVER +#ifdef __MINGW32__ +#include <nc_mingw.h> +extern NCURSES_EXPORT_VAR(TERM_DRIVER) _nc_WIN_DRIVER; +#endif +extern NCURSES_EXPORT_VAR(TERM_DRIVER) _nc_TINFO_DRIVER; +#endif + +#ifdef USE_TERM_DRIVER +#define IsTermInfo(sp) (TCBOf(sp) && ((TCBOf(sp)->drv->isTerminfo))) +#else +#define IsTermInfo(sp) TRUE +#endif + +#define HasTInfoTerminal(sp) ((0 != TerminalOf(sp)) && IsTermInfo(sp)) +#define IsValidTIScreen(sp) (HasTInfoTerminal(sp)) + +/* + * Exported entrypoints beyond the published API + */ +#if NCURSES_SP_FUNCS +extern NCURSES_EXPORT(WINDOW *) _nc_curscr_of(SCREEN*); +extern NCURSES_EXPORT(WINDOW *) _nc_newscr_of(SCREEN*); +extern NCURSES_EXPORT(WINDOW *) _nc_stdscr_of(SCREEN*); +extern NCURSES_EXPORT(int) _nc_outc_wrapper(SCREEN*,int); + +#if USE_REENTRANT +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_TABSIZE)(SCREEN*); +extern NCURSES_EXPORT(char *) NCURSES_SP_NAME(longname)(SCREEN*); +#endif + +#if NCURSES_EXT_FUNCS +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_set_tabsize)(SCREEN*, int); +#endif + +/* + * We put the safe versions of various calls here as they are not published + * part of the API up to now + */ +extern NCURSES_EXPORT(TERMINAL*) NCURSES_SP_NAME(_nc_get_cur_term) (SCREEN *sp); +extern NCURSES_EXPORT(WINDOW *) NCURSES_SP_NAME(_nc_makenew) (SCREEN*, int, int, int, int, int); +extern NCURSES_EXPORT(bool) NCURSES_SP_NAME(_nc_reset_colors)(SCREEN*); +extern NCURSES_EXPORT(char *) NCURSES_SP_NAME(_nc_printf_string)(SCREEN*, const char *, va_list); +extern NCURSES_EXPORT(chtype) NCURSES_SP_NAME(_nc_acs_char)(SCREEN*,int); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_curs_set)(SCREEN*,int); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_get_tty_mode)(SCREEN*,TTY*); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_mcprint)(SCREEN*,char*, int); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_msec_cost)(SCREEN*, const char *, int); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_outch)(SCREEN*, int); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_putp)(SCREEN*, const char *, const char*); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_putp_flush)(SCREEN*, const char *, const char *); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_resetty)(SCREEN*); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_resize_term)(SCREEN*,int,int); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_ripoffline)(SCREEN*, int, int (*)(WINDOW *,int)); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_savetty)(SCREEN*); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_scr_init)(SCREEN*,const char*); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_scr_restore)(SCREEN*, const char*); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_scrolln)(SCREEN*, int, int, int, int); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_set_tty_mode)(SCREEN*, TTY*); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_setupscreen)(SCREEN**, int, int, FILE *, bool, int); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_tgetent)(SCREEN*,char*,const char *); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_tigetnum)(SCREEN*,NCURSES_CONST char*); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_vid_attr)(SCREEN *, attr_t, short, void *); +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_vidputs)(SCREEN*,chtype,int(*) (SCREEN*, int)); +extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_do_color)(SCREEN*, short, short, bool, NCURSES_SP_OUTC); +extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_do_xmc_glitch)(SCREEN*, attr_t); +extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_flush)(SCREEN*); +extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_free_and_exit)(SCREEN*, int) GCC_NORETURN; +extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_freeall)(SCREEN*); +extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_hash_map)(SCREEN*); +extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_init_acs)(SCREEN*); +extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_make_oldhash)(SCREEN*, int i); +extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_mvcur_init)(SCREEN*); +extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_mvcur_resume)(SCREEN*); +extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_mvcur_wrap)(SCREEN*); +extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_screen_init)(SCREEN*); +extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_screen_resume)(SCREEN*); +extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_screen_wrap)(SCREEN*); +extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_scroll_oldhash)(SCREEN*, int n, int top, int bot); +extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_scroll_optimize)(SCREEN*); +extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_set_buffer)(SCREEN*, FILE *, bool); + +extern NCURSES_EXPORT(void) _nc_cookie_init(SCREEN *sp); + +#if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG) +extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_linedump)(SCREEN*); +#endif + +#if USE_WIDEC_SUPPORT +extern NCURSES_EXPORT(wchar_t *) NCURSES_SP_NAME(_nc_wunctrl)(SCREEN*, cchar_t *); +#endif + +#endif /* NCURSES_SP_FUNCS */ + +#if NCURSES_SP_FUNCS + +#define safe_keyname NCURSES_SP_NAME(keyname) +#define safe_unctrl NCURSES_SP_NAME(unctrl) +#define safe_ungetch NCURSES_SP_NAME(ungetch) + +#else + +#define safe_keyname _nc_keyname +#define safe_unctrl _nc_unctrl +#define safe_ungetch _nc_ungetch + +extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_keyname (SCREEN *, int); +extern NCURSES_EXPORT(int) _nc_ungetch (SCREEN *, int); +extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_unctrl (SCREEN *, chtype); + +#endif + +#ifdef __cplusplus +} +#endif + +/* *INDENT-ON* */ + +#endif /* CURSES_PRIV_H */ |