lib/libedit/term.h

   1 /*-
   2  * Copyright (c) 1992, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * This code is derived from software contributed to Berkeley by
   6  * Christos Zoulas of Cornell University.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. Neither the name of the University nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  *
  32  * @(#)term.h   8.1 (Berkeley) 6/4/93
  33  * $NetBSD: term.h,v 1.18 2006/11/24 00:01:17 christos Exp $
  34  * $DragonFly: src/lib/libedit/term.h,v 1.5 2007/05/05 00:27:40 pavalos Exp $
  35  */
  36
  37 /*
  38  * el.term.h: Termcap header
  39  */
  40 #ifndef _h_el_term
  41 #define _h_el_term
  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         key_value_t      fun;   /* Function bound to it                 */
  49         int              type;  /* Type of function                     */
  50 } fkey_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         int       t_loc;                /* location used        */
  67         char    **t_str;                /* termcap strings      */
  68         int      *t_val;                /* termcap values       */
  69         char     *t_cap;                /* Termcap buffer       */
  70         fkey_t   *t_fkey;               /* Array of keys        */
  71 } el_term_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  term_move_to_line(EditLine *, int);
  85 protected void  term_move_to_char(EditLine *, int);
  86 protected void  term_clear_EOL(EditLine *, int);
  87 protected void  term_overwrite(EditLine *, const char *, int);
  88 protected void  term_insertwrite(EditLine *, char *, int);
  89 protected void  term_deletechars(EditLine *, int);
  90 protected void  term_clear_screen(EditLine *);
  91 protected void  term_beep(EditLine *);
  92 protected int   term_change_size(EditLine *, int, int);
  93 protected int   term_get_size(EditLine *, int *, int *);
  94 protected int   term_init(EditLine *);
  95 protected void  term_bind_arrow(EditLine *);
  96 protected void  term_print_arrow(EditLine *, const char *);
  97 protected int   term_clear_arrow(EditLine *, const char *);
  98 protected int   term_set_arrow(EditLine *, const char *, key_value_t *, int);
  99 protected void  term_end(EditLine *);
 100 protected void  term_get(EditLine *, const char **);
 101 protected int   term_set(EditLine *, const char *);
 102 protected int   term_settc(EditLine *, int, const char **);
 103 protected int   term_gettc(EditLine *, int, char **);
 104 protected int   term_telltc(EditLine *, int, const char **);
 105 protected int   term_echotc(EditLine *, int, const char **);
 106 protected void  term_writec(EditLine *, int);
 107 protected int   term__putc(int);
 108 protected void  term__flush(void);
 109
 110 /*
 111  * Easy access macros
 112  */
 113 #define EL_FLAGS        (el)->el_term.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_term */