/* $NetBSD: curses_private.h,v 1.41 2007/12/08 18:38:11 jdc Exp $ */ /*- * Copyright (c) 1998-2000 Brett Lymn * (blymn@baea.com.au, brett_lymn@yahoo.com.au) * All rights reserved. * * This code has been donated to The NetBSD Foundation by the Author. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * */ /* Modified by Ruibiao Qiu * to add support for wide characters * Changes: * - Add a compiler variable HAVE_WCHAR for wide character only code * - Add a pointer to liked list of non-spacing characters in __ldata * and the macro to access the width field in the attribute field * - Add a circular input character buffer in __screen to handle wide * character input (used in get_wch()) */ #include /* Private structure definitions for curses. */ /* Termcap capabilities. */ extern char __tc_am, __tc_bs, __tc_cc, __tc_da, __tc_eo, __tc_hc, __tc_hl, __tc_in, __tc_mi, __tc_ms, __tc_nc, __tc_ns, __tc_os, __tc_ul, __tc_ut, __tc_xb, __tc_xn, __tc_xt, __tc_xs, __tc_xx; extern char __CA; extern int __tc_pa, __tc_Co, __tc_NC; extern char *__tc_ac, *__tc_AB, *__tc_ae, *__tc_AF, *__tc_AL, *__tc_al, *__tc_as, *__tc_bc, *__tc_bl, *__tc_bt, *__tc_cd, *__tc_ce, *__tc_cl, *__tc_cm, *__tc_cr, *__tc_cs, *__tc_dc, *__tc_DL, *__tc_dl, *__tc_dm, *__tc_DO, *__tc_do, *__tc_eA, *__tc_ed, *__tc_ei, *__tc_ho, *__tc_Ic, *__tc_ic, *__tc_im, *__tc_Ip, *__tc_ip, *__tc_k0, *__tc_k1, *__tc_k2, *__tc_k3, *__tc_k4, *__tc_k5, *__tc_k6, *__tc_k7, *__tc_k8, *__tc_k9, *__tc_kd, *__tc_ke, *__tc_kh, *__tc_kl, *__tc_kr, *__tc_ks, *__tc_ku, *__tc_LE, *__tc_ll, *__tc_ma, *__tc_mb, *__tc_md, *__tc_me, *__tc_mh, *__tc_mk, *__tc_mm, *__tc_mo, *__tc_mp, *__tc_mr, *__tc_nd, *__tc_nl, *__tc_oc, *__tc_op, *__tc_rc, *__tc_RI, *__tc_Sb, *__tc_sc, *__tc_se, *__tc_SF, *__tc_Sf, *__tc_sf, *__tc_so, *__tc_sp, *__tc_SR, *__tc_sr, *__tc_ta, *__tc_te, *__tc_ti, *__tc_uc, *__tc_ue, *__tc_UP, *__tc_up, *__tc_us, *__tc_vb, *__tc_ve, *__tc_vi, *__tc_vs; #ifdef HAVE_WCHAR extern char *__tc_Xh, *__tc_Xl, *__tc_Xo, *__tc_Xr, *__tc_Xt, *__tc_Xv; /* * Add a list of non-spacing characters to each spacing * character in a singly linked list */ typedef struct nschar_t { wchar_t ch; /* Non-spacing character */ struct nschar_t *next; /* Next non-spacing character */ } nschar_t; #endif /* HAVE_WCHAR */ /* * A window an array of __LINE structures pointed to by the 'lines' pointer. * A line is an array of __LDATA structures pointed to by the 'line' pointer. * * IMPORTANT: the __LDATA structure must NOT induce any padding, so if new * fields are added -- padding fields with *constant values* should ensure * that the compiler will not generate any padding when storing an array of * __LDATA structures. This is to enable consistent use of memcmp, and memcpy * for comparing and copying arrays. */ struct __ldata { wchar_t ch; /* Character */ attr_t attr; /* Attributes */ #ifdef HAVE_WCHAR nschar_t *nsp; /* Foreground non-spacing character pointer */ #endif /* HAVE_WCHAR */ }; #ifdef HAVE_WCHAR /* macros to extract the width of a wide character */ #define __WCWIDTH 0xfc000000 #define WCW_SHIFT 26 #define WCOL(wc) ((((unsigned) (wc).attr) >> WCW_SHIFT ) > MB_LEN_MAX ? ((int)(((unsigned) (wc).attr ) >> WCW_SHIFT )) - 64 : ((int)(((unsigned) (wc).attr ) >> WCW_SHIFT))) #define SET_WCOL(c, w) do { \ ((c).attr) = ((((c).attr) & WA_ATTRIBUTES ) | ((w) << WCW_SHIFT )); \ } while(/*CONSTCOND*/0) #define BGWCOL(wc) ((((wc).battr) >> WCW_SHIFT ) > MB_LEN_MAX ? (((wc).battr ) >> WCW_SHIFT ) - 64 : (((wc).battr ) >> WCW_SHIFT )) #define SET_BGWCOL(c, w) do { \ ((c).battr) = ((((c).battr) & WA_ATTRIBUTES ) | ((w) << WCW_SHIFT )); \ } while(/*CONSTCOND*/0) #endif /* HAVE_WCHAR */ #define __LDATASIZE (sizeof(__LDATA)) struct __line { #ifdef DEBUG #define SENTINEL_VALUE 0xaac0ffee unsigned int sentinel; /* try to catch line overflows */ #endif #define __ISDIRTY 0x01 /* Line is dirty. */ #define __ISPASTEOL 0x02 /* Cursor is past end of line */ unsigned int flags; unsigned int hash; /* Hash value for the line. */ int *firstchp, *lastchp; /* First and last chngd columns ptrs */ int firstch, lastch; /* First and last changed columns. */ __LDATA *line; /* Pointer to the line text. */ }; struct __window { /* Window structure. */ struct __window *nextp, *orig; /* Subwindows list and parent. */ int begy, begx; /* Window home. */ int cury, curx; /* Current x, y coordinates. */ int maxy, maxx; /* Maximum values for curx, cury. */ int reqy, reqx; /* Size requested when created */ int ch_off; /* x offset for firstch/lastch. */ __LINE **lines; /* Array of pointers to the lines */ __LINE *lspace; /* line space (for cleanup) */ __LDATA *wspace; /* window space (for cleanup) */ #define __ENDLINE 0x00000001 /* End of screen. */ #define __FLUSH 0x00000002 /* Fflush(stdout) after refresh. */ #define __FULLWIN 0x00000004 /* Window is a screen. */ #define __IDLINE 0x00000008 /* Insert/delete sequences. */ #define __SCROLLWIN 0x00000010 /* Last char will scroll window. */ #define __SCROLLOK 0x00000020 /* Scrolling ok. */ #define __CLEAROK 0x00000040 /* Clear on next refresh. */ #define __LEAVEOK 0x00000100 /* If cursor left */ #define __KEYPAD 0x00010000 /* If interpreting keypad codes */ #define __NOTIMEOUT 0x00020000 /* Wait indefinitely for func keys */ #define __IDCHAR 0x00040000 /* insert/delete char sequences */ #define __ISPAD 0x00080000 /* "window" is a pad */ unsigned int flags; int delay; /* delay for getch() */ attr_t wattr; /* Character attributes */ wchar_t bch; /* Background character */ attr_t battr; /* Background attributes */ int scr_t, scr_b; /* Scrolling region top, bottom */ SCREEN *screen; /* Screen for this window */ int pbegy, pbegx, sbegy, sbegx, smaxy, smaxx; /* Saved prefresh() values */ #ifdef HAVE_WCHAR nschar_t *bnsp; /* Background non-spacing char list */ #endif /* HAVE_WCHAR */ }; /* Set of attributes unset by 'me' - 'mb', 'md', 'mh', 'mk', 'mp' and 'mr'. */ #ifndef HAVE_WCHAR #define __TERMATTR \ (__REVERSE | __BLINK | __DIM | __BOLD | __BLANK | __PROTECT) #else #define __TERMATTR \ (__REVERSE | __BLINK | __DIM | __BOLD | __BLANK | __PROTECT \ | WA_TOP | WA_LOW | WA_LEFT | WA_RIGHT | WA_HORIZONTAL | WA_VERTICAL) #endif /* HAVE_WCHAR */ struct __winlist { struct __window *winp; /* The window. */ struct __winlist *nextp; /* Next window. */ }; struct __color { short num; short red; short green; short blue; int flags; }; /* List of colour pairs */ struct __pair { short fore; short back; int flags; }; /* Maximum colours */ #define MAX_COLORS 64 /* Maximum colour pairs - determined by number of colour bits in attr_t */ #define MAX_PAIRS PAIR_NUMBER(__COLOR) typedef struct keymap keymap_t; /* this is the encapsulation of the terminal definition, one for * each terminal that curses talks to. */ struct __screen { FILE *infd, *outfd; /* input and output file descriptors */ WINDOW *curscr; /* Current screen. */ WINDOW *stdscr; /* Standard screen. */ WINDOW *__virtscr; /* Virtual screen (for doupdate()). */ int curwin; /* current window for refresh */ int lx, ly; /* loop parameters for refresh */ int COLS; /* Columns on the screen. */ int LINES; /* Lines on the screen. */ int COLORS; /* Maximum colors on the screen */ int COLOR_PAIRS; /* Maximum color pairs on the screen */ int My_term; /* Use Def_term regardless. */ char GT; /* Gtty indicates tabs. */ char NONL; /* Term can't hack LF doing a CR. */ char UPPERCASE; /* Terminal is uppercase only. */ /* BEWARE!!! The order of the following terminal capabilities */ /* (tc_foo) is important - do not update without fixing the zap */ /* function in setterm.c */ char tc_am, tc_bs, tc_cc, tc_da, tc_eo, tc_hc, tc_hl, tc_in, tc_mi, tc_ms, tc_nc, tc_ns, tc_os, tc_ul, tc_ut, tc_xb, tc_xn, tc_xt, tc_xs, tc_xx; int flag_count; int tc_pa, tc_Co, tc_NC; int int_count; char *tc_AB, *tc_ac, *tc_ae, *tc_AF, *tc_AL, *tc_al, *tc_as, *tc_bc, *tc_bl, *tc_bt, *tc_cd, *tc_ce, *tc_cl, *tc_cm, *tc_cr, *tc_cs, *tc_dc, *tc_DL, *tc_dl, *tc_dm, *tc_DO, *tc_do, *tc_eA, *tc_ed, *tc_ei, *tc_ho, *tc_Ic, *tc_ic, *tc_im, *tc_Ip, *tc_ip, *tc_k0, *tc_k1, *tc_k2, *tc_k3, *tc_k4, *tc_k5, *tc_k6, *tc_k7, *tc_k8, *tc_k9, *tc_kd, *tc_ke, *tc_kh, *tc_kl, *tc_kr, *tc_ks, *tc_ku, *tc_LE, *tc_ll, *tc_ma, *tc_mb, *tc_md, *tc_me, *tc_mh, *tc_mk, *tc_mm, *tc_mo, *tc_mp, *tc_mr, *tc_nd, *tc_nl, *tc_oc, *tc_op, *tc_pc, *tc_rc, *tc_RI, *tc_Sb, *tc_sc, *tc_se, *tc_SF, *tc_Sf, *tc_sf, *tc_so, *tc_sp, *tc_SR, *tc_sr, *tc_ta, *tc_te, *tc_ti, *tc_uc, *tc_ue, *tc_UP, *tc_up, *tc_us, #ifndef HAVE_WCHAR *tc_vb, *tc_ve, *tc_vi, *tc_vs; #else *tc_vb, *tc_ve, *tc_vi, *tc_vs, *tc_Xh, *tc_Xl, *tc_Xo, *tc_Xr, *tc_Xt, *tc_Xv; #endif /* HAVE_WCHAR */ char CA; int str_count; chtype acs_char[NUM_ACS]; #ifdef HAVE_WCHAR cchar_t wacs_char[ NUM_ACS ]; #endif /* HAVE_WCHAR */ struct __color colours[MAX_COLORS]; struct __pair colour_pairs[MAX_PAIRS]; attr_t nca; /* Style of colour manipulation */ #define COLOR_NONE 0 #define COLOR_ANSI 1 /* ANSI/DEC-style colour manipulation */ #define COLOR_HP 2 /* HP-style colour manipulation */ #define COLOR_TEK 3 /* Tektronix-style colour manipulation */ #define COLOR_OTHER 4 /* None of the others but can set fore/back */ int color_type; attr_t mask_op; attr_t mask_me; attr_t mask_ue; attr_t mask_se; struct tinfo *cursesi_genbuf; int old_mode; /* old cursor visibility state for terminal */ keymap_t *base_keymap; int echoit; int pfast; int rawmode; int nl; int noqch; int clearok; int useraw; struct __winlist *winlistp; struct termios cbreakt, rawt, *curt, save_termios; struct termios orig_termios, baset, savedtty; int ovmin; int ovtime; char *stdbuf; unsigned int len; int meta_state; char pad_char; char ttytype[128]; int endwin; int notty; int half_delay; int resized; wchar_t *unget_list; int unget_len, unget_pos; #ifdef HAVE_WCHAR #define MB_LEN_MAX 8 #define MAX_CBUF_SIZE MB_LEN_MAX int cbuf_head; /* header to cbuf */ int cbuf_tail; /* tail to cbuf */ int cbuf_cur; /* the current char in cbuf */ mbstate_t sp; /* wide char processing state */ char cbuf[ MAX_CBUF_SIZE ]; /* input character buffer */ #endif /* HAVE_WCHAR */ }; extern char __GT; /* Gtty indicates tabs. */ extern char __NONL; /* Term can't hack LF doing a CR. */ extern char __UPPERCASE; /* Terminal is uppercase only. */ extern int My_term; /* Use Def_term regardless. */ extern const char *Def_term; /* Default terminal type. */ extern SCREEN *_cursesi_screen; /* The current screen in use */ /* Debugging options/functions. */ #ifdef DEBUG #define __CTRACE_TSTAMP 0x00000001 #define __CTRACE_MISC 0x00000002 #define __CTRACE_INIT 0x00000004 #define __CTRACE_SCREEN 0x00000008 #define __CTRACE_WINDOW 0x00000010 #define __CTRACE_REFRESH 0x00000020 #define __CTRACE_COLOR 0x00000040 #define __CTRACE_INPUT 0x00000080 #define __CTRACE_OUTPUT 0x00000100 #define __CTRACE_LINE 0x00000200 #define __CTRACE_ATTR 0x00000400 #define __CTRACE_ERASE 0x00000800 #define __CTRACE_ALL 0x7fffffff void __CTRACE_init(void); void __CTRACE(int, const char *, ...) __attribute__((__format__(__printf__, 2, 3))); #endif /* Private functions. */ void __cputchar_args(char, void *); void _cursesi_free_keymap(keymap_t *); int _cursesi_gettmode(SCREEN *); void _cursesi_reset_acs(SCREEN *); int _cursesi_addbyte(WINDOW *, __LINE **, int *, int *, int , attr_t); int _cursesi_addwchar(WINDOW *, __LINE **, int *, int *, const cchar_t *); #ifdef HAVE_WCHAR void _cursesi_reset_wacs(SCREEN *); #endif /* HAVE_WCHAR */ void _cursesi_resetterm(SCREEN *); int _cursesi_setterm(char *, SCREEN *); int __delay(void); u_int __hash_more(const void *, size_t, u_int); #define __hash(s, len) __hash_more((s), (len), 0u) void __id_subwins(WINDOW *); void __init_getch(SCREEN *); void __init_acs(SCREEN *); #ifdef HAVE_WCHAR void __init_get_wch(SCREEN *); void __init_wacs(SCREEN *); void __cputwchar_args( wchar_t, void * ); int _cursesi_copy_nsp(nschar_t *, struct __ldata *); void __cursesi_free_nsp(nschar_t *); void __cursesi_win_free_nsp(WINDOW *); void __cursesi_putnsp(nschar_t *, const int, const int); #endif /* HAVE_WCHAR */ int __unget(wint_t); char *__longname(char *, char *); /* Original BSD version */ int __mvcur(int, int, int, int, int); WINDOW *__newwin(SCREEN *, int, int, int, int, int); int __nodelay(void); int __notimeout(void); char *__parse_cap(const char *, ...); void __restartwin(void); void __restore_colors(void); void __restore_cursor_vis(void); void __restore_meta_state(void); void __restore_termios(void); void __restore_stophandler(void); void __restore_winchhandler(void); void __save_termios(void); void __set_color(WINDOW *win, attr_t attr); void __set_stophandler(void); void __set_winchhandler(void); void __set_subwin(WINDOW *, WINDOW *); void __startwin(SCREEN *); void __stop_signal_handler(int); int __stopwin(void); void __swflags(WINDOW *); int __timeout(int); int __touchline(WINDOW *, int, int, int); int __touchwin(WINDOW *); char *__tscroll(const char *, int, int); void __unsetattr(int); void __unset_color(WINDOW *win); int __waddch(WINDOW *, __LDATA *); int __wgetnstr(WINDOW *, char *, int); #ifdef HAVE_WCHAR int __wgetn_wstr(WINDOW *, wchar_t *, int); #endif /* HAVE_WCHAR */ void __winch_signal_handler(int); /* Private #defines. */ #define min(a,b) ((a) < (b) ? (a) : (b)) #define max(a,b) ((a) > (b) ? (a ): (b)) /* Private externs. */ extern int __echoit; extern int __endwin; extern int __pfast; extern int __rawmode; extern int __noqch; extern attr_t __mask_op, __mask_me, __mask_ue, __mask_se; extern WINDOW *__virtscr; extern int __using_color; extern attr_t __default_color;