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Diffstat (limited to 'ncurses/term.priv.h')
| -rw-r--r-- | ncurses/term.priv.h | 332 |
1 files changed, 332 insertions, 0 deletions
diff --git a/ncurses/term.priv.h b/ncurses/term.priv.h new file mode 100644 index 0000000..ce7a986 --- /dev/null +++ b/ncurses/term.priv.h @@ -0,0 +1,332 @@ +/**************************************************************************** + * Copyright 2021 Thomas E. Dickey * + * * + * 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. * + ****************************************************************************/ + +/* + * $Id: term.priv.h,v 1.6 2021/09/26 20:43:08 tom Exp $ + * + * term.priv.h + * + * Header file for terminfo library objects which are private to + * the library. + * + */ + +#ifndef _TERM_PRIV_H +#define _TERM_PRIV_H 1 +/* *INDENT-OFF* */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include <ncurses_cfg.h> + +#undef NCURSES_OPAQUE +#define NCURSES_INTERNALS 1 +#define NCURSES_OPAQUE 0 + +#include <limits.h> /* PATH_MAX */ +#include <signal.h> /* sig_atomic_t */ +#include <time.h> /* time_t */ +#include <term.h> /* time_t */ + +#ifdef USE_PTHREADS +#if USE_REENTRANT +#include <pthread.h> +#endif +#endif + +/* + * 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 { + 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 static_vars[NUM_VARS]; +#ifdef TRACE + const char * tname; +#endif +} TPARM_STATE; + +typedef struct { + char * text; + size_t size; +} TRACEBUF; + +typedef struct { + const char * name; + char * value; +} ITERATOR_VARS; + +/* + * Internals for term.h + */ +typedef struct term { /* describe an actual terminal */ + TERMTYPE type; /* terminal type description */ + short Filedes; /* file description being written to */ + TTY Ottyb; /* original state of the terminal */ + TTY Nttyb; /* current state of the terminal */ + int _baudrate; /* used to compute padding */ + char * _termname; /* used for termname() */ + TPARM_STATE tparm_state; +#if NCURSES_EXT_COLORS + TERMTYPE2 type2; /* extended terminal type description */ +#endif +#undef TERMINAL +} TERMINAL; + +/* + * Internals for soft-keys + */ +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; + +/* + * Internals for tgetent + */ +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 + +#include <term_entry.h> /* dbdLAST */ + +#ifdef USE_TERM_DRIVER +struct DriverTCB; /* Terminal Control Block forward declaration */ +#endif + +/* + * Global data which is not specific to a screen. + */ +typedef struct { + SIG_ATOMIC_T have_sigtstp; + SIG_ATOMIC_T have_sigwinch; + SIG_ATOMIC_T cleanup_nested; + + bool init_signals; + bool init_screen; + + 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 init_keyname; + + int slk_format; + + int getstr_limit; /* getstr_limit based on POSIX LINE_MAX */ + + char * safeprint_buf; + size_t safeprint_used; + + TGETENT_CACHE tgetent_cache[TGETENT_MAX]; + int tgetent_index; + long tgetent_sequence; + + char * dbd_blob; /* string-heap for dbd_list[] */ + char ** dbd_list; /* distinct places to look for data */ + int dbd_size; /* length of dbd_list[] */ + time_t dbd_time; /* cache last updated */ + ITERATOR_VARS dbd_vars[dbdLAST]; + +#if HAVE_TSEARCH + void * cached_tparm; + int count_tparm; +#endif /* HAVE_TSEARCH */ + +#ifdef USE_TERM_DRIVER + int (*term_driver)(struct DriverTCB*, const char*, int*); +#endif + +#define WINDOWLIST struct _win_list + +#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_PTHREADS + pthread_mutex_t mutex_curses; + pthread_mutex_t mutex_prescreen; + pthread_mutex_t mutex_screen; + pthread_mutex_t mutex_update; + 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 +#if USE_PTHREADS_EINTR + pthread_t read_thread; /* The reading thread */ +#endif +#endif +#if USE_WIDEC_SUPPORT + char key_name[MB_LEN_MAX + 1]; +#endif + +#ifdef TRACE + bool trace_opened; + char trace_fname[PATH_MAX]; + int trace_level; + FILE * trace_fp; + int trace_fd; + + 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 */ + +#if NO_LEAKS + bool leak_checking; +#endif +} NCURSES_GLOBALS; + +extern NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals; + +#define N_RIPS 5 + +#ifdef USE_PTHREADS +typedef struct _prescreen_list { + struct _prescreen_list *next; + pthread_t id; + struct screen * sp; +} PRESCREEN_LIST; +#endif + +/* + * 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 { +#ifdef USE_PTHREADS + PRESCREEN_LIST *allocated; +#else + struct screen * allocated; +#endif + bool use_env; + bool filter_mode; + attr_t previous_attr; + TPARM_STATE tparm_state; + TTY * saved_tty; /* savetty/resetty information */ + bool use_tioctl; + NCURSES_SP_OUTC _outch; /* output handler if not putc */ +#ifndef USE_SP_RIPOFF + ripoff_t rippedoff[N_RIPS]; + ripoff_t * rsp; +#endif +#if NCURSES_NO_PADDING + bool _no_padding; /* flag to set if padding disabled */ +#endif +#if BROKEN_LINKER || USE_REENTRANT + chtype * real_acs_map; + int _LINES; + int _COLS; + int _TABSIZE; + int _ESCDELAY; + TERMINAL * _cur_term; +#endif +#ifdef TRACE +#if BROKEN_LINKER || USE_REENTRANT + long _outchars; + const char * _tputs_trace; +#endif +#endif +} NCURSES_PRESCREEN; + +extern NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen; + +#ifdef __cplusplus +} +#endif + +/* *INDENT-ON* */ + +#endif /* _TERM_PRIV_H */ |