Annotation of src/lib/libcurses/curses_private.h, Revision 1.17
1.17 ! blymn 1: /* $NetBSD: curses_private.h,v 1.16 2001/06/13 10:45:57 wiz Exp $ */
1.1 blymn 2:
3: /*-
4: * Copyright (c) 1998-2000 Brett Lymn
5: * (blymn@baea.com.au, brett_lymn@yahoo.com.au)
6: * All rights reserved.
7: *
8: * This code has been donated to The NetBSD Foundation by the Author.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. The name of the author may not be used to endorse or promote products
1.16 wiz 16: * derived from this software without specific prior written permission
1.1 blymn 17: *
18: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28: *
29: *
30: */
31:
1.17 ! blymn 32: #include <termios.h>
! 33:
1.1 blymn 34: /* Private structure definitions for curses. */
35: /*
36: * A window an array of __LINE structures pointed to by the 'lines' pointer.
37: * A line is an array of __LDATA structures pointed to by the 'line' pointer.
38: *
39: * IMPORTANT: the __LDATA structure must NOT induce any padding, so if new
40: * fields are added -- padding fields with *constant values* should ensure
41: * that the compiler will not generate any padding when storing an array of
42: * __LDATA structures. This is to enable consistent use of memcmp, and memcpy
43: * for comparing and copying arrays.
44: */
45:
46: struct __ldata {
47: wchar_t ch; /* Character */
48: attr_t attr; /* Attributes */
1.5 jdc 49: wchar_t bch; /* Background character */
50: attr_t battr; /* Background attributes */
1.1 blymn 51: };
52:
53: #define __LDATASIZE (sizeof(__LDATA))
54:
55: struct __line {
56: #define __ISDIRTY 0x01 /* Line is dirty. */
57: #define __ISPASTEOL 0x02 /* Cursor is past end of line */
58: unsigned int flags;
59: unsigned int hash; /* Hash value for the line. */
60: int *firstchp, *lastchp; /* First and last chngd columns ptrs */
61: int firstch, lastch; /* First and last changed columns. */
62: __LDATA *line; /* Pointer to the line text. */
63: };
64:
65: struct __window { /* Window structure. */
66: struct __window *nextp, *orig; /* Subwindows list and parent. */
67: int begy, begx; /* Window home. */
68: int cury, curx; /* Current x, y coordinates. */
69: int maxy, maxx; /* Maximum values for curx, cury. */
70: short ch_off; /* x offset for firstch/lastch. */
71: __LINE **lines; /* Array of pointers to the lines */
72: __LINE *lspace; /* line space (for cleanup) */
73: __LDATA *wspace; /* window space (for cleanup) */
74:
75: #define __ENDLINE 0x00000001 /* End of screen. */
76: #define __FLUSH 0x00000002 /* Fflush(stdout) after refresh. */
77: #define __FULLWIN 0x00000004 /* Window is a screen. */
78: #define __IDLINE 0x00000008 /* Insert/delete sequences. */
79: #define __SCROLLWIN 0x00000010 /* Last char will scroll window. */
80: #define __SCROLLOK 0x00000020 /* Scrolling ok. */
81: #define __CLEAROK 0x00000040 /* Clear on next refresh. */
82: #define __LEAVEOK 0x00000100 /* If cursor left */
83: #define __KEYPAD 0x00010000 /* If interpreting keypad codes */
84: #define __NOTIMEOUT 0x00020000 /* Wait indefinitely for func keys */
85: unsigned int flags;
86: int delay; /* delay for getch() */
87: attr_t wattr; /* Character attributes */
1.5 jdc 88: wchar_t bch; /* Background character */
1.2 jdc 89: attr_t battr; /* Background attributes */
1.14 jdc 90: int scr_t, scr_b; /* Scrolling region top, bottom */
1.1 blymn 91: };
1.5 jdc 92:
93: /* Set of attributes unset by 'me' - 'mb', 'md', 'mh', 'mk', 'mp' and 'mr'. */
94: #define __TERMATTR \
95: (__REVERSE | __BLINK | __DIM | __BOLD | __BLANK | __PROTECT)
1.2 jdc 96:
1.3 jdc 97: struct __winlist {
98: struct __window *winp; /* The window. */
99: struct __winlist *nextp; /* Next window. */
100: };
101:
1.17 ! blymn 102: struct __color {
! 103: short num;
! 104: short red;
! 105: short green;
! 106: short blue;
! 107: int flags;
! 108: };
! 109:
! 110: /* List of colour pairs */
! 111: struct __pair {
! 112: short fore;
! 113: short back;
! 114: int flags;
! 115: };
! 116:
! 117: /* Maximum colours */
! 118: #define MAX_COLORS 64
! 119: /* Maximum colour pairs - determined by number of colour bits in attr_t */
! 120: #define MAX_PAIRS 64 /* PAIR_NUMBER(__COLOR) + 1 */
! 121:
! 122: typedef struct keymap keymap_t;
! 123:
! 124: /* this is the encapsulation of the terminal definition, one for
! 125: * each terminal that curses talks to.
! 126: */
! 127: struct __screen {
! 128: FILE *infd, *outfd; /* input and output file descriptors */
! 129: WINDOW *curscr; /* Current screen. */
! 130: WINDOW *stdscr; /* Standard screen. */
! 131: WINDOW *__virtscr; /* Virtual screen (for doupdate()). */
! 132: int curwin; /* current window for refresh */
! 133: short lx, ly; /* loop parameters for refresh */
! 134: int COLS; /* Columns on the screen. */
! 135: int LINES; /* Lines on the screen. */
! 136: int COLORS; /* Maximum colors on the screen */
! 137: int COLOR_PAIRS; /* Maximum color pairs on the screen */
! 138: int My_term; /* Use Def_term regardless. */
! 139: char GT; /* Gtty indicates tabs. */
! 140: char NONL; /* Term can't hack LF doing a CR. */
! 141: char UPPERCASE; /* Terminal is uppercase only. */
! 142:
! 143: /* BEWARE!!! The order of the following terminal capabilities */
! 144: /* (tc_foo) is important - do not update without fixing the zap */
! 145: /* function in setterm.c */
! 146: char tc_am, tc_bs, tc_cc, tc_da, tc_eo, tc_hc, tc_hl, tc_in, tc_mi,
! 147: tc_ms, tc_nc, tc_ns, tc_os, tc_ul, tc_ut, tc_xb, tc_xn, tc_xt,
! 148: tc_xs, tc_xx;
! 149: int flag_count;
! 150: int tc_pa, tc_Co, tc_NC;
! 151: int int_count;
! 152: char *tc_AB, *tc_ac, *tc_ae, *tc_AF, *tc_AL,
! 153: *tc_al, *tc_as, *tc_bc, *tc_bl, *tc_bt,
! 154: *tc_cd, *tc_ce, *tc_cl, *tc_cm, *tc_cr,
! 155: *tc_cs, *tc_dc, *tc_DL, *tc_dl, *tc_dm,
! 156: *tc_DO, *tc_do, *tc_eA, *tc_ed, *tc_ei,
! 157: *tc_ho, *tc_Ic, *tc_ic, *tc_im, *tc_Ip,
! 158: *tc_ip, *tc_k0, *tc_k1, *tc_k2, *tc_k3,
! 159: *tc_k4, *tc_k5, *tc_k6, *tc_k7, *tc_k8,
! 160: *tc_k9, *tc_kd, *tc_ke, *tc_kh, *tc_kl,
! 161: *tc_kr, *tc_ks, *tc_ku, *tc_LE, *tc_ll,
! 162: *tc_ma, *tc_mb, *tc_md, *tc_me, *tc_mh,
! 163: *tc_mk, *tc_mm, *tc_mo, *tc_mp, *tc_mr,
! 164: *tc_nd, *tc_nl, *tc_oc, *tc_op, *tc_pc,
! 165: *tc_rc, *tc_RI, *tc_Sb, *tc_sc, *tc_se,
! 166: *tc_SF, *tc_Sf, *tc_sf, *tc_so, *tc_sp,
! 167: *tc_SR, *tc_sr, *tc_ta, *tc_te, *tc_ti,
! 168: *tc_uc, *tc_ue, *tc_UP, *tc_up, *tc_us,
! 169: *tc_vb, *tc_ve, *tc_vi, *tc_vs;
! 170: char CA;
! 171: int str_count;
! 172: chtype acs_char[NUM_ACS];
! 173: struct __color colours[MAX_COLORS];
! 174: struct __pair colour_pairs[MAX_PAIRS];
! 175: attr_t nca;
! 176:
! 177: /* Style of colour manipulation */
! 178: #define COLOR_NONE 0
! 179: #define COLOR_ANSI 1 /* ANSI/DEC-style colour manipulation */
! 180: #define COLOR_HP 2 /* HP-style colour manipulation */
! 181: #define COLOR_TEK 3 /* Tektronix-style colour manipulation */
! 182: #define COLOR_OTHER 4 /* None of the others but can set fore/back */
! 183: int color_type;
! 184:
! 185: attr_t mask_op;
! 186: attr_t mask_me;
! 187: attr_t mask_ue;
! 188: attr_t mask_se;
! 189: struct tinfo *cursesi_genbuf;
! 190: int old_mode; /* old cursor visibility state for terminal */
! 191: keymap_t *base_keymap;
! 192: int echoit;
! 193: int pfast;
! 194: int rawmode;
! 195: int noqch;
! 196: int clearok;
! 197: int useraw;
! 198: struct __winlist *winlistp;
! 199: struct termios cbreakt, rawt, *curt, save_termios;
! 200: struct termios orig_termios, baset, savedtty;
! 201: int ovmin;
! 202: int ovtime;
! 203: char *stdbuf;
! 204: unsigned int len;
! 205: int meta_state;
! 206: char pad_char;
! 207: char ttytype[1024];
! 208: int endwin;
! 209: };
! 210:
! 211:
1.11 jdc 212: extern char __GT; /* Gtty indicates tabs. */
213: extern char __NONL; /* Term can't hack LF doing a CR. */
214: extern char __UPPERCASE; /* Terminal is uppercase only. */
215: extern int My_term; /* Use Def_term regardless. */
216: extern const char *Def_term; /* Default terminal type. */
1.17 ! blymn 217: extern SCREEN *_cursesi_screen; /* The current screen in use */
1.11 jdc 218:
1.2 jdc 219: /* Private functions. */
220: #ifdef DEBUG
1.4 blymn 221: void __CTRACE(const char *fmt, ...);
1.2 jdc 222: #endif
1.17 ! blymn 223: void _cursesi_free_keymap(keymap_t *map);
! 224: int _cursesi_gettmode(SCREEN *screen);
! 225: void _cursesi_reset_acs(SCREEN *screen);
! 226: void _cursesi_resetterm(SCREEN *screen);
! 227: int _cursesi_setterm(char *type, SCREEN *screen);
1.4 blymn 228: int __delay(void);
229: unsigned int __hash(char *s, int len);
230: void __id_subwins(WINDOW *orig);
1.17 ! blymn 231: void __init_getch(SCREEN *screen);
! 232: void __init_acs(SCREEN *screen);
1.4 blymn 233: char *__longname(char *bp, char *def); /* Original BSD version */
234: int __mvcur(int ly, int lx, int y, int x, int in_refresh);
1.17 ! blymn 235: WINDOW *__newwin(SCREEN *screen, int lines, int cols, int y, int x);
1.4 blymn 236: int __nodelay(void);
237: int __notimeout(void);
238: char *__parse_cap(const char *, ...);
239: void __restartwin(void);
240: void __restore_colors(void);
1.6 blymn 241: void __restore_cursor_vis(void);
242: void __restore_meta_state(void);
1.4 blymn 243: void __restore_termios(void);
244: void __restore_stophandler(void);
245: void __save_termios(void);
246: void __set_color(attr_t attr);
247: void __set_stophandler(void);
248: void __set_subwin(WINDOW *orig, WINDOW *win);
1.17 ! blymn 249: void __startwin(SCREEN *screen);
1.4 blymn 250: void __stop_signal_handler(int signo);
251: int __stopwin(void);
252: void __swflags(WINDOW *win);
253: int __timeout(int delay);
1.10 mycroft 254: int __touchline(WINDOW *win, int y, int sx, int ex);
1.4 blymn 255: int __touchwin(WINDOW *win);
256: char *__tscroll(const char *cap, int n1, int n2);
1.7 jdc 257: void __unsetattr(int);
1.4 blymn 258: int __waddch(WINDOW *win, __LDATA *dp);
1.15 jdc 259: int __wgetnstr(WINDOW *, char *, int);
1.2 jdc 260:
261: /* Private #defines. */
262: #define min(a,b) (a < b ? a : b)
263: #define max(a,b) (a > b ? a : b)
264:
265: /* Private externs. */
1.3 jdc 266: extern int __echoit;
267: extern int __endwin;
268: extern int __pfast;
269: extern int __rawmode;
270: extern int __noqch;
271: extern attr_t __nca;
1.11 jdc 272: extern attr_t __mask_op, __mask_me, __mask_ue, __mask_se;
1.3 jdc 273: extern struct __winlist *__winlistp;
1.7 jdc 274: extern WINDOW *__virtscr;
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