/* 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., 675 Mass Ave, Cambridge, MA 02139, USA. * **************************************************************** * $Id: display.h,v 1.1.1.1 1993/08/15 18:32:54 nate Exp $ FAU */ 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_termname[20 + 1]; /* $TERM */ char _d_tentry[TERMCAP_BUFSIZE]; /* buffer for tgetstr */ int _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 */ char _d_attr; /* current attributes */ char _d_font; /* current font */ int _d_insert; /* insert mode flag */ int _d_keypad; /* application keypad flag */ int _d_cursorkeys; /* application cursorkeys flag */ int _d_flow; /* flow control on/off flag*/ int _d_lp_missing; /* last character on bot line missing */ int _d_lp_image; /* missing image */ int _d_lp_attr; /* missing attr */ int _d_lp_font; /* missing font */ int _d_status; /* is status displayed? */ time_t _d_status_time; /* time of status display */ int _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 */ 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 union tcu _d_tcs[T_N]; /* terminal capabilities */ char *_d_attrtab[NATTR]; short _d_dospeed; /* baudrate of tty */ char _d_c0_tab[256]; /* conversion for C0 */ int _d_UPcost, _d_DOcost, _d_LEcost, _d_NDcost; int _d_CRcost, _d_IMcost, _d_EIcost, _d_NLcost; #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_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_attr DISPLAY(_d_attr) #define d_font DISPLAY(_d_font) #define d_insert DISPLAY(_d_insert) #define d_keypad DISPLAY(_d_keypad) #define d_cursorkeys DISPLAY(_d_cursorkeys) #define d_flow DISPLAY(_d_flow) #define d_lp_missing DISPLAY(_d_lp_missing) #define d_lp_image DISPLAY(_d_lp_image) #define d_lp_attr DISPLAY(_d_lp_attr) #define d_lp_font DISPLAY(_d_lp_font) #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_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_tcs DISPLAY(_d_tcs) #define d_attrtab DISPLAY(_d_attrtab) #define d_dospeed DISPLAY(_d_dospeed) #define d_c0_tab DISPLAY(_d_c0_tab) #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_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 /* Maximum amount of buffered output before input is blocked */ #define OUTPUT_BLOCK_SIZE 256 /* Block size of output to tty */ #define AddChar(c) \ { \ if (--d_obuffree == 0) \ Resize_obuf(); \ *d_obufp++ = (c); \ }