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el_terminal.h
1 /* $NetBSD: terminal.h,v 1.3 2011/07/29 23:44:45 christos Exp $ */
2 
3 /*-
4  * Copyright (c) 1992, 1993
5  * The Regents of the University of California. All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * Christos Zoulas of Cornell University.
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. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in the
17  * documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the University nor the names of its contributors
19  * may be used to endorse or promote products derived from this software
20  * without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  * @(#)term.h 8.1 (Berkeley) 6/4/93
35  */
36 
37 /*
38  * el.term.h: Termcap header
39  */
40 #ifndef _h_el_terminal
41 #define _h_el_terminal
42 
43 #include "histedit.h"
44 
45 typedef struct { /* Symbolic function key bindings */
46  const Char *name; /* name of the key */
47  int key; /* Index in termcap table */
48  keymacro_value_t fun; /* Function bound to it */
49  int type; /* Type of function */
50 } funckey_t;
51 
52 typedef struct {
53  const char *t_name; /* the terminal name */
54  coord_t t_size; /* # lines and cols */
55  int t_flags;
56 #define TERM_CAN_INSERT 0x001 /* Has insert cap */
57 #define TERM_CAN_DELETE 0x002 /* Has delete cap */
58 #define TERM_CAN_CEOL 0x004 /* Has CEOL cap */
59 #define TERM_CAN_TAB 0x008 /* Can use tabs */
60 #define TERM_CAN_ME 0x010 /* Can turn all attrs. */
61 #define TERM_CAN_UP 0x020 /* Can move up */
62 #define TERM_HAS_META 0x040 /* Has a meta key */
63 #define TERM_HAS_AUTO_MARGINS 0x080 /* Has auto margins */
64 #define TERM_HAS_MAGIC_MARGINS 0x100 /* Has magic margins */
65  char *t_buf; /* Termcap buffer */
66  size_t t_loc; /* location used */
67  char **t_str; /* termcap strings */
68  int *t_val; /* termcap values */
69  char *t_cap; /* Termcap buffer */
70  funckey_t *t_fkey; /* Array of keys */
71 } el_terminal_t;
72 
73 /*
74  * fKey indexes
75  */
76 #define A_K_DN 0
77 #define A_K_UP 1
78 #define A_K_LT 2
79 #define A_K_RT 3
80 #define A_K_HO 4
81 #define A_K_EN 5
82 #define A_K_NKEYS 6
83 
84 protected void terminal_move_to_line(EditLine *, int);
85 protected void terminal_move_to_char(EditLine *, int);
86 protected void terminal_clear_EOL(EditLine *, int);
87 protected void terminal_overwrite(EditLine *, const Char *, size_t);
88 protected void terminal_insertwrite(EditLine *, Char *, int);
89 protected void terminal_deletechars(EditLine *, int);
90 protected void terminal_clear_screen(EditLine *);
91 protected void terminal_beep(EditLine *);
92 protected int terminal_change_size(EditLine *, int, int);
93 protected int terminal_get_size(EditLine *, int *, int *);
94 protected int terminal_init(EditLine *);
95 protected void terminal_bind_arrow(EditLine *);
96 protected void terminal_print_arrow(EditLine *, const Char *);
97 protected int terminal_clear_arrow(EditLine *, const Char *);
98 protected int terminal_set_arrow(EditLine *, const Char *, keymacro_value_t *, int);
99 protected void terminal_end(EditLine *);
100 protected void terminal_get(EditLine *, const char **);
101 protected int terminal_set(EditLine *, const char *);
102 protected int terminal_settc(EditLine *, int, const Char **);
103 protected int terminal_gettc(EditLine *, int, char **);
104 protected int terminal_telltc(EditLine *, int, const Char **);
105 protected int terminal_echotc(EditLine *, int, const Char **);
106 protected void terminal_writec(EditLine *, Int);
107 protected int terminal__putc(EditLine *, Int);
108 protected void terminal__flush(EditLine *);
109 
110 /*
111  * Easy access macros
112  */
113 #define EL_FLAGS (el)->el_terminal.t_flags
114 
115 #define EL_CAN_INSERT (EL_FLAGS & TERM_CAN_INSERT)
116 #define EL_CAN_DELETE (EL_FLAGS & TERM_CAN_DELETE)
117 #define EL_CAN_CEOL (EL_FLAGS & TERM_CAN_CEOL)
118 #define EL_CAN_TAB (EL_FLAGS & TERM_CAN_TAB)
119 #define EL_CAN_ME (EL_FLAGS & TERM_CAN_ME)
120 #define EL_CAN_UP (EL_FLAGS & TERM_CAN_UP)
121 #define EL_HAS_META (EL_FLAGS & TERM_HAS_META)
122 #define EL_HAS_AUTO_MARGINS (EL_FLAGS & TERM_HAS_AUTO_MARGINS)
123 #define EL_HAS_MAGIC_MARGINS (EL_FLAGS & TERM_HAS_MAGIC_MARGINS)
124 
125 #endif /* _h_el_terminal */