lib/libedit/terminal.h

   1 /*      $NetBSD: terminal.h,v 1.4 2012/03/24 20:09:30 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_DE          6
  83 #define A_K_NKEYS       7
  84
  85 protected void  terminal_move_to_line(EditLine *, int);
  86 protected void  terminal_move_to_char(EditLine *, int);
  87 protected void  terminal_clear_EOL(EditLine *, int);
  88 protected void  terminal_overwrite(EditLine *, const Char *, size_t);
  89 protected void  terminal_insertwrite(EditLine *, Char *, int);
  90 protected void  terminal_deletechars(EditLine *, int);
  91 protected void  terminal_clear_screen(EditLine *);
  92 protected void  terminal_beep(EditLine *);
  93 protected int   terminal_change_size(EditLine *, int, int);
  94 protected int   terminal_get_size(EditLine *, int *, int *);
  95 protected int   terminal_init(EditLine *);
  96 protected void  terminal_bind_arrow(EditLine *);
  97 protected void  terminal_print_arrow(EditLine *, const Char *);
  98 protected int   terminal_clear_arrow(EditLine *, const Char *);
  99 protected int   terminal_set_arrow(EditLine *, const Char *, keymacro_value_t *, int);
 100 protected void  terminal_end(EditLine *);
 101 protected void  terminal_get(EditLine *, const char **);
 102 protected int   terminal_set(EditLine *, const char *);
 103 protected int   terminal_settc(EditLine *, int, const Char **);
 104 protected int   terminal_gettc(EditLine *, int, char **);
 105 protected int   terminal_telltc(EditLine *, int, const Char **);
 106 protected int   terminal_echotc(EditLine *, int, const Char **);
 107 protected void  terminal_writec(EditLine *, Int);
 108 protected int   terminal__putc(EditLine *, Int);
 109 protected void  terminal__flush(EditLine *);
 110
 111 /*
 112  * Easy access macros
 113  */
 114 #define EL_FLAGS        (el)->el_terminal.t_flags
 115
 116 #define EL_CAN_INSERT           (EL_FLAGS & TERM_CAN_INSERT)
 117 #define EL_CAN_DELETE           (EL_FLAGS & TERM_CAN_DELETE)
 118 #define EL_CAN_CEOL             (EL_FLAGS & TERM_CAN_CEOL)
 119 #define EL_CAN_TAB              (EL_FLAGS & TERM_CAN_TAB)
 120 #define EL_CAN_ME               (EL_FLAGS & TERM_CAN_ME)
 121 #define EL_CAN_UP               (EL_FLAGS & TERM_CAN_UP)
 122 #define EL_HAS_META             (EL_FLAGS & TERM_HAS_META)
 123 #define EL_HAS_AUTO_MARGINS     (EL_FLAGS & TERM_HAS_AUTO_MARGINS)
 124 #define EL_HAS_MAGIC_MARGINS    (EL_FLAGS & TERM_HAS_MAGIC_MARGINS)
 125
 126 #endif /* _h_el_terminal */