-
-/***************************************************************************
-* COPYRIGHT NOTICE *
-****************************************************************************
-* ncurses is copyright (C) 1992-1995 *
-* Zeyd M. Ben-Halim *
-* zmbenhal@netcom.com *
-* Eric S. Raymond *
-* esr@snark.thyrsus.com *
-* *
-* Permission is hereby granted to reproduce and distribute ncurses *
-* by any means and for any fee, whether alone or as part of a *
-* larger distribution, in source or in binary form, PROVIDED *
-* this notice is included with any such distribution, and is not *
-* removed from any of its header files. Mention of ncurses in any *
-* applications linked with it is highly appreciated. *
-* *
-* ncurses comes AS IS with no warranty, implied or expressed. *
-* *
-***************************************************************************/
+/****************************************************************************
+ * Copyright (c) 1998 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> *
+ ****************************************************************************/
/*
- * $Id: curses.priv.h,v 1.61 1997/04/26 20:54:54 tom Exp $
+ * $Id: curses.priv.h,v 1.101 1998/02/11 12:13:57 tom Exp $
*
* curses.priv.h
*
#ifndef CURSES_PRIV_H
#define CURSES_PRIV_H 1
+#ifdef __cplusplus
+extern "C" {
+#endif
+
#include <ncurses_cfg.h>
-#ifdef USE_RCS_IDS
+#if USE_RCS_IDS
#define MODULE_ID(id) static const char Ident[] = id;
#else
#define MODULE_ID(id) /*nothing*/
#include <errno.h>
-#if !HAVE_EXTERN_ERRNO
+#if DECL_ERRNO
extern int errno;
#endif
+#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
#define USE_FUNC_POLL 1
#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
+
+#define DEFAULT_MAXCLICK 166
+#define EV_MAX 8 /* size of mouse circular event queue */
+
/*
- * 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 TABS_OK 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.
+ * 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.
*/
-#undef TABS_OK /* OK to use tab/backtab for local motions? */
+#ifndef NCURSES_EXT_FUNCS
+#undef HAVE_SIZECHANGE
+#endif
+
+#if HAVE_SIZECHANGE
+#define USE_SIZECHANGE 1
+#else
+#undef USE_SIGWINCH
+#endif
/*
- * The internal types (e.g., struct screen) must precede <curses.h>, otherwise
- * we cannot construct lint-libraries (structures must be fully-defined).
+ * As currently coded, hashmap relies on the scroll-hints logic.
+ */
+#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
+
+/*
+ * 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.
*/
struct tries {
unsigned short value; /* code of string so far. 0 if none. */
};
-/*
- * Structure for soft labels.
- */
-
-typedef struct
-{
- char *text; /* text for the label */
- char *form_text; /* formatted text (left/center/...) */
- int x; /* x coordinate of this field */
- char dirty; /* this label has changed */
- char visible; /* field is visible */
-} slk_ent;
-
-typedef struct {
- char dirty; /* all labels have changed */
- char hidden; /* soft labels are hidden */
- struct _win_st *win;
- slk_ent *ent;
- char *buffer; /* buffer for labels */
- short maxlab; /* number of available labels */
- short labcnt; /* number of allocated labels */
- short maxlen; /* length of labels */
-} SLK;
-
/*
* Definitions for color pairs
*/
#define MAXCOLUMNS 135
#define MAXLINES 66
-#define FIFO_SIZE MAXLINES
+#define FIFO_SIZE MAXCOLUMNS+2 /* for nocbreak mode input */
+
+#define ACS_LEN 128
+
+#define WINDOWLIST struct _win_list
+
+#include <curses.h> /* we'll use -Ipath directive to get the right one! */
+
+/*
+ * Structure for soft labels.
+ */
+
+typedef struct
+{
+ char *text; /* text for the label */
+ char *form_text; /* formatted text (left/center/...) */
+ int x; /* x coordinate of this field */
+ char dirty; /* this label has changed */
+ char visible; /* field is visible */
+} slk_ent;
+
+typedef struct {
+ char dirty; /* all labels have changed */
+ char hidden; /* soft labels are hidden */
+ struct _win_st *win;
+ slk_ent *ent;
+ char* buffer; /* buffer for labels */
+ short maxlab; /* number of available labels */
+ short labcnt; /* number of allocated labels */
+ short maxlen; /* length of labels */
+ chtype attr; /* soft label attribute */
+} SLK;
struct screen {
int _ifd; /* input file ptr for screen */
short _columns; /* screen columns */
short _lines_avail; /* lines available for stdscr */
short _topstolen; /* lines stolen from top */
- struct _win_st *_curscr; /* current screen */
- struct _win_st *_newscr; /* virtual screen to be updated to */
- struct _win_st *_stdscr; /* screen's full-window context */
+
+ WINDOW *_curscr; /* current screen */
+ WINDOW *_newscr; /* virtual screen to be updated to */
+ WINDOW *_stdscr; /* screen's full-window context */
+
struct tries *_keytry; /* "Try" for use with keypad mode */
+ struct tries *_key_ok; /* Disabled keys via keyok(,FALSE) */
+ int _tried; /* keypad mode was initialized */
+
unsigned int _fifo[FIFO_SIZE]; /* input push-back buffer */
- signed char _fifohead, /* head of fifo queue */
+ short _fifohead, /* head of fifo queue */
_fifotail, /* tail of fifo queue */
- _fifopeek; /* where to peek for next char */
+ _fifopeek, /* where to peek for next char */
+ _fifohold; /* set if breakout marked */
+
int _endwin; /* are we out of window mode? */
unsigned long _current_attr; /* terminal attribute current set */
int _coloron; /* is color enabled? */
int _echo; /* True if echo on */
int _use_meta; /* use the meta key? */
SLK *_slk; /* ptr to soft key struct / NULL */
- int _baudrate; /* used to compute padding */
/* cursor movement costs; units are 10ths of milliseconds */
int _char_padding; /* cost of character put */
int _cup_cost; /* cost of (cursor_address) */
int _home_cost; /* cost of (cursor_home) */
int _ll_cost; /* cost of (cursor_to_ll) */
-#ifdef TABS_OK
+#if USE_HARD_TABS
int _ht_cost; /* cost of (tab) */
int _cbt_cost; /* cost of (backtab) */
-#endif /* TABS_OK */
+#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 _carriage_return_length;
int _cursor_home_length;
int _cursor_to_ll_length;
+ 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 */
unsigned short *_color_pairs; /* screen's color pair list */
int _pair_count; /* count of color pairs */
int _default_color; /* use default colors */
+ chtype _xmc_suppress; /* attributes to suppress if xmc */
+ chtype _xmc_triggers; /* attributes to process if xmc */
+ chtype _acs_map[ACS_LEN];
+
+ /*
+ * 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;
+#define _nc_idlok SP->_nc_sp_idlok
+#define _nc_idcok SP->_nc_sp_idcok
+
+ /*
+ * These are the data that support the mouse interface.
+ */
+ int _maxclick;
+ bool (*_mouse_event) (SCREEN *);
+ bool (*_mouse_inline)(SCREEN *);
+ bool (*_mouse_parse) (int);
+ void (*_mouse_resume)(SCREEN *);
+ void (*_mouse_wrap) (SCREEN *);
+ int _mouse_fd; /* file-descriptor, if any */
+
+ /*
+ * This supports automatic resizing
+ */
+#if USE_SIZECHANGE
+ int (*_resize)(int,int);
+#endif
+
+ /*
+ * These are data that support the proper handling of the panel stack on an
+ * per screen basis.
+ */
+ struct panelhook _panelHook;
+ /*
+ * Linked-list of all windows, to support '_nc_resizeall()' and
+ * '_nc_freeall()'
+ */
+ WINDOWLIST *_nc_sp_windows;
+#define _nc_windows SP->_nc_sp_windows
+
+ bool _sig_winch;
+ SCREEN *_next_screen;
};
-/* Ncurses' public interface follows the internal types */
-#include <curses.h> /* we'll use -Ipath directive to get the right one! */
+extern SCREEN *_nc_screen_chain;
#ifdef NCURSES_NOMACROS
#include <nomacros.h>
#endif
-#define WINDOWLIST struct _win_list
WINDOWLIST {
WINDOWLIST *next;
WINDOW *win;
#define CHANGED -1
+#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 FreeAndNull(p) free(p); p = 0
#define T(a) TR(TRACE_CALLS, a)
#define TPUTS_TRACE(s) _nc_tputs_trace = s;
#define TRACE_RETURN(value,type) return _nc_retrace_##type(value)
-#define returnWin(code) TRACE_RETURN(code,win)
-#define returnPtr(code) TRACE_RETURN(code,ptr)
+#define returnAttr(code) TRACE_RETURN(code,attr_t)
#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 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);
#else
#define T(a)
#define TR(n, a)
#define TPUTS_TRACE(s)
-#define returnWin(code) return code
+#define returnAttr(code) return code
#define returnCode(code) return code
+#define returnPtr(code) return code
#define returnVoid return
+#define returnWin(code) return code
#endif
#define _trace_key(ch) ((ch > KEY_MIN) ? keyname(ch) : _tracechar((unsigned char)ch))
#define ALL_BUT_COLOR ((chtype)~(A_COLOR))
#define IGNORE_COLOR_OFF FALSE
-
-
-/* Macro to put together character and attribute info and return it.
- If colors are in the attribute, they have precedence. */
-#define ch_or_attr(ch,at) \
- ((PAIR_NUMBER(at) > 0) ? \
- ((((chtype)ch) & ALL_BUT_COLOR) | (at)) : ((((chtype)ch) | (at))))
+#define NONBLANK_ATTR (A_BOLD|A_DIM|A_BLINK)
+#define XMC_CHANGES(c) ((c) & SP->_xmc_suppress)
#define toggle_attr_on(S,at) \
? (SP->_ich1_cost * count) \
: INFINITY))
+#if USE_XMC_SUPPORT
+#define UpdateAttrs(c) if (SP->_current_attr != AttrOf(c)) { \
+ attr_t chg = SP->_current_attr; \
+ vidattr(AttrOf(c)); \
+ if (magic_cookie_glitch > 0 \
+ && XMC_CHANGES((chg ^ SP->_current_attr))) { \
+ T(("%s @%d before glitch %d,%d", \
+ __FILE__, __LINE__, \
+ SP->_cursrow, \
+ SP->_curscol)); \
+ _nc_do_xmc_glitch(chg); \
+ } \
+ }
+#else
#define UpdateAttrs(c) if (SP->_current_attr != AttrOf(c)) \
vidattr(AttrOf(c));
+#endif
/*
* Check whether the given character can be output by clearing commands. This
* 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 NONBLANK_ATTR (A_BOLD|A_DIM|A_BLINK)
#define can_clear_with(ch) \
((ch & ~(NONBLANK_ATTR|(back_color_erase ? A_COLOR:0))) == BLANK)
#ifdef NCURSES_EXPANDED
-#undef ch_or_attr
-#define ch_or_attr(ch,at) _nc_ch_or_attr(ch,at)
-extern chtype _nc_ch_or_attr(chtype, attr_t);
-
#undef toggle_attr_on
#define toggle_attr_on(S,at) _nc_toggle_attr_on(&(S), at)
extern void _nc_toggle_attr_on(attr_t *, attr_t);
#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)
+extern void _nc_linedump(void);
+#endif
+
/* lib_acs.c */
extern void init_acs(void); /* no prefix, this name is traditional */
+extern int _nc_msec_cost(const char *const, int); /* used by 'tack' program */
/* lib_mvcur.c */
#define INFINITY 1000000 /* cost: too high to use */
extern void _nc_mvcur_init(void);
extern void _nc_mvcur_resume(void);
extern void _nc_mvcur_wrap(void);
-extern int _nc_mvcur_scrolln(int, int, int, int);
+
+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);
/* lib_mouse.c */
-extern void _nc_mouse_init(SCREEN *);
-extern bool _nc_mouse_event(SCREEN *);
-extern bool _nc_mouse_inline(SCREEN *);
-extern bool _nc_mouse_parse(int);
-extern void _nc_mouse_wrap(SCREEN *);
-extern void _nc_mouse_resume(SCREEN *);
-extern int _nc_max_click_interval;
-extern int _nc_mouse_fd(void);
+extern int _nc_has_mouse(void);
+
+/* 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 int _nc_remove_key(struct tries **tree, unsigned short code);
/* elsewhere ... */
extern WINDOW *_nc_makenew(int, int, int, int, int);
+extern char *_nc_trace_buf(int, size_t);
extern chtype _nc_background(WINDOW *);
extern chtype _nc_render(WINDOW *, chtype);
-extern char *_nc_trace_buf(int, size_t);
-extern int _nc_initscr(void);
extern int _nc_keypad(bool);
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_backspace(WINDOW *win);
-extern void _nc_do_color(int, int (*)(int));
-extern void _nc_freeall(void);
+extern void _nc_do_color(int, bool, int (*)(int));
extern void _nc_free_and_exit(int);
+extern void _nc_freeall(void);
extern void _nc_freewin(WINDOW *win);
-extern void _nc_get_screensize(void);
extern void _nc_hash_map(void);
extern void _nc_outstr(const char *str);
extern void _nc_scroll_optimize(void);
-extern void _nc_scroll_window(WINDOW *, int const, short const, short const);
+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_signal_handler(bool);
extern void _nc_synchook(WINDOW *win);
+#if USE_SIZECHANGE
+extern void _nc_update_screensize(void);
+#endif
+
/*
* On systems with a broken linker, define 'SP' as a function to force the
* linker to pull in the data-only module with 'SP'.
extern int _nc_alloc_screen(void);
extern void _nc_set_screen(SCREEN *);
#else
+/* current screen is private data; avoid possible linking conflicts too */
extern SCREEN *SP;
#define _nc_alloc_screen() ((SP = typeCalloc(SCREEN, 1)) != 0)
#define _nc_set_screen(sp) SP = sp
#endif
-#if !HAVE_USLEEP
-extern int _nc_usleep(unsigned int);
-#define usleep(msecs) _nc_usleep(msecs)
-#endif
-
/*
* We don't want to use the lines or columns capabilities internally,
* because if the application is running multiple screens under
extern int _nc_slk_format; /* != 0 if slk_init() called */
extern int _nc_slk_initialize(WINDOW *, int);
+/*
+ * 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)
/* Macro to determine height of label window */
extern int _nc_ripoffline(int line, int (*init)(WINDOW *,int));
-#define UNINITIALISED ((struct tries * ) -1)
-
-extern bool _nc_idlok, _nc_idcok;
-
-extern WINDOWLIST *_nc_windows;
+#ifdef __cplusplus
+}
+#endif
#endif /* CURSES_PRIV_H */
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