summaryrefslogtreecommitdiff
path: root/display.h
blob: 87d0944b3d73ffa87d6acf795f6df7340f5f7125 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
/* Copyright (c) 1993
 *      Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
 *      Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
 * Copyright (c) 1987 Oliver Laumann
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program (see the file COPYING); if not, write to the
 * Free Software Foundation, Inc.,
 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
 *
 ****************************************************************
 * $Id: display.h,v 1.9 1994/05/31 12:31:54 mlschroe Exp $ FAU
 */


#ifdef MAPKEYS
struct kmap
{
  char seq[8];
  char off[8];
  int  nr;
};

#define KMAP_SEQ ((int)((struct kmap *)0)->seq)
#define KMAP_OFF ((int)((struct kmap *)0)->off)

#define KMAP_KEYS (T_OCAPS-T_CAPS)
#define KMAP_AKEYS (T_OCAPS-T_CURSOR)
#define KMAP_EXT 50

#define KMAP_NOTIMEOUT 0x4000

#endif

struct win;			/* forward declaration */

struct display
{
  struct display *d_next;	/* linked list */
  struct user *d_user;		/* user who owns that display */
  struct LayFuncs *d_layfn;	/* current layer functions */
  struct layer *d_lay;		/* layers on the display */
  struct win *d_fore;		/* pointer to fore window */
  struct win *d_other;		/* pointer to other window */
  char  d_nonblock;		/* don't block when d_obufmax reached */
  char  d_termname[20 + 1];	/* $TERM */
  char	*d_tentry;		/* buffer for tgetstr */
  char	d_tcinited;		/* termcap inited flag */
  int	d_width, d_height;	/* width/height of the screen */
  int	d_defwidth, d_defheight;	/* default width/height of windows */
  int	d_top, d_bot;		/* scrollregion start/end */
  int	d_x, d_y;		/* cursor position */
  struct mchar d_rend;		/* current rendition */
  char	d_atyp;			/* current attribute types */
#ifdef KANJI
  int   d_mbcs;			/* saved char for multibytes charset */
  int   d_kanji;		/* what kanji type the display is */
#endif
  int	d_insert;		/* insert mode flag */
  int	d_keypad;		/* application keypad flag */
  int	d_cursorkeys;		/* application cursorkeys flag */
  int	d_revvid;		/* reverse video */
  int	d_curvis;		/* cursor visibility */
  int	d_hstatus;		/* hardstatus used */
  int	d_lp_missing;		/* last character on bot line missing */
  struct mchar d_lpchar;	/* missing char */
  time_t d_status_time;		/* time of status display */
  char	d_status;		/* is status displayed? */
  char	d_status_bell;		/* is it only a vbell? */
  int	d_status_len;		/* length of status line */
  char *d_status_lastmsg;	/* last displayed message */
  int   d_status_buflen;	/* last message buffer len */
  int	d_status_lastx;		/* position of the cursor */
  int	d_status_lasty;		/*   before status was displayed */
  int	d_ESCseen;		/* Was the last char an ESC (^a) */
  int	d_userpid;		/* pid of attacher */
  char	d_usertty[MAXPATHLEN];	/* tty we are attached to */
  int	d_userfd;		/* fd of the tty */
  struct mode d_OldMode;	/* tty mode when screen was started */
  struct mode d_NewMode;	/* New tty mode */
  int	d_flow;			/* tty's flow control on/off flag*/
  char *d_obuf;			/* output buffer */
  int   d_obuflen;		/* len of buffer */
  int	d_obufmax;		/* len where we are blocking the pty */
  char *d_obufp;		/* pointer in buffer */
  int   d_obuffree;		/* free bytes in buffer */
#ifdef AUTO_NUKE
  int	d_auto_nuke;		/* autonuke flag */
#endif
#ifdef MAPKEYS
  int	d_nseqs;		/* number of valid mappings */
  char *d_seqp;			/* pointer into keymap array */
  int	d_seql;			/* number of parsed chars */
  int	d_seqruns;		/* number of select calls */
  int	d_dontmap;		/* do not map next */
  int	d_mapdefault;		/* do map next to default */
  struct kmap d_kmaps[KMAP_KEYS+KMAP_EXT];	/* keymaps */
#endif
  union	tcu d_tcs[T_N];		/* terminal capabilities */
  char *d_attrtab[NATTR];	/* attrib emulation table */
  char  d_attrtyp[NATTR];	/* attrib group table */
  short	d_dospeed;		/* baudrate of tty */
  char	d_c0_tab[256];		/* conversion for C0 */
  char ***d_xtable;		/* char translation table */
  int	d_UPcost, d_DOcost, d_LEcost, d_NDcost;
  int	d_CRcost, d_IMcost, d_EIcost, d_NLcost;
  int   d_printfd;		/* fd for vt100 print sequence */
#ifdef UTMPOK
  slot_t d_loginslot;		/* offset, where utmp_logintty belongs */
  struct utmp d_utmp_logintty;	/* here the original utmp structure is stored */
# ifdef _SEQUENT_
  char	d_loginhost[100+1];
# endif /* _SEQUENT_ */
#endif
};

#ifdef MULTI
# define DISPLAY(x) display->x
#else
extern struct display TheDisplay;
# define DISPLAY(x) TheDisplay.x
#endif

#define D_user		DISPLAY(d_user)
#define D_username	(DISPLAY(d_user) ? DISPLAY(d_user)->u_name : 0)
#define D_layfn		DISPLAY(d_layfn)
#define D_lay		DISPLAY(d_lay)
#define D_fore		DISPLAY(d_fore)
#define D_other		DISPLAY(d_other)
#define D_nonblock      DISPLAY(d_nonblock)
#define D_termname	DISPLAY(d_termname)
#define D_tentry	DISPLAY(d_tentry)
#define D_tcinited	DISPLAY(d_tcinited)
#define D_width		DISPLAY(d_width)
#define D_height	DISPLAY(d_height)
#define D_defwidth	DISPLAY(d_defwidth)
#define D_defheight	DISPLAY(d_defheight)
#define D_top		DISPLAY(d_top)
#define D_bot		DISPLAY(d_bot)
#define D_x		DISPLAY(d_x)
#define D_y		DISPLAY(d_y)
#define D_rend		DISPLAY(d_rend)
#define D_atyp		DISPLAY(d_atyp)
#define D_mbcs		DISPLAY(d_mbcs)
#define D_kanji		DISPLAY(d_kanji)
#define D_insert	DISPLAY(d_insert)
#define D_keypad	DISPLAY(d_keypad)
#define D_cursorkeys	DISPLAY(d_cursorkeys)
#define D_revvid	DISPLAY(d_revvid)
#define D_curvis	DISPLAY(d_curvis)
#define D_hstatus	DISPLAY(d_hstatus)
#define D_lp_missing	DISPLAY(d_lp_missing)
#define D_lpchar	DISPLAY(d_lpchar)
#define D_status	DISPLAY(d_status)
#define D_status_time	DISPLAY(d_status_time)
#define D_status_bell	DISPLAY(d_status_bell)
#define D_status_len	DISPLAY(d_status_len)
#define D_status_lastmsg	DISPLAY(d_status_lastmsg)
#define D_status_buflen	DISPLAY(d_status_buflen)
#define D_status_lastx	DISPLAY(d_status_lastx)
#define D_status_lasty	DISPLAY(d_status_lasty)
#define D_ESCseen	DISPLAY(d_ESCseen)
#define D_userpid	DISPLAY(d_userpid)
#define D_usertty	DISPLAY(d_usertty)
#define D_userfd	DISPLAY(d_userfd)
#define D_OldMode	DISPLAY(d_OldMode)
#define D_NewMode	DISPLAY(d_NewMode)
#define D_flow		DISPLAY(d_flow)
#define D_obuf		DISPLAY(d_obuf)
#define D_obuflen	DISPLAY(d_obuflen)
#define D_obufmax	DISPLAY(d_obufmax)
#define D_obufp		DISPLAY(d_obufp)
#define D_obuffree	DISPLAY(d_obuffree)
#define D_auto_nuke	DISPLAY(d_auto_nuke)
#define D_nseqs		DISPLAY(d_nseqs)
#define D_seqp		DISPLAY(d_seqp)
#define D_seql		DISPLAY(d_seql)
#define D_seqruns	DISPLAY(d_seqruns)
#define D_dontmap	DISPLAY(d_dontmap)
#define D_mapdefault	DISPLAY(d_mapdefault)
#define D_kmaps		DISPLAY(d_kmaps)
#define D_tcs		DISPLAY(d_tcs)
#define D_attrtab	DISPLAY(d_attrtab)
#define D_attrtyp	DISPLAY(d_attrtyp)
#define D_dospeed	DISPLAY(d_dospeed)
#define D_c0_tab	DISPLAY(d_c0_tab)
#define D_xtable	DISPLAY(d_xtable)
#define D_UPcost	DISPLAY(d_UPcost)
#define D_DOcost	DISPLAY(d_DOcost)
#define D_LEcost	DISPLAY(d_LEcost)
#define D_NDcost	DISPLAY(d_NDcost)
#define D_CRcost	DISPLAY(d_CRcost)
#define D_IMcost	DISPLAY(d_IMcost)
#define D_EIcost	DISPLAY(d_EIcost)
#define D_NLcost	DISPLAY(d_NLcost)
#define D_printfd	DISPLAY(d_printfd)
#define D_loginslot	DISPLAY(d_loginslot)
#define D_utmp_logintty	DISPLAY(d_utmp_logintty)
#define D_loginhost	DISPLAY(d_loginhost)


#define GRAIN 4096  /* Allocation grain size for output buffer */
#define OBUF_MAX 256 /* default for obuflimit */

#define OUTPUT_BLOCK_SIZE 256  /* Block size of output to tty */

#define AddChar(c) do {			\
    if (--D_obuffree == 0)		\
      Resize_obuf();			\
    *D_obufp++ = (c);			\
} while (0)