/* * Copyright (c) 1983, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Edward Wang at The University of California, Berkeley. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)ww.h 8.1 (Berkeley) 6/6/93 * $FreeBSD$ */ #include <sys/types.h> #ifdef OLD_TTY #include <sgtty.h> #else #include <termios.h> #endif #include <setjmp.h> #include <machine/endian.h> #define NWW 30 /* maximum number of windows */ /* a rectangle */ struct ww_dim { int nr; /* number of rows */ int nc; /* number of columns */ int t, b; /* top, bottom */ int l, r; /* left, right */ }; /* a coordinate */ struct ww_pos { int r; /* row */ int c; /* column */ }; /* the window structure */ struct ww { /* general flags and states */ char ww_state; /* state of window */ char ww_oflags; /* wwopen flags */ /* information for overlap */ struct ww *ww_forw; /* doubly linked list, for overlapping info */ struct ww *ww_back; char ww_index; /* the window index, for wwindex[] */ char ww_order; /* the overlapping order */ /* sizes and positions */ struct ww_dim ww_w; /* window size and pos */ struct ww_dim ww_b; /* buffer size and pos */ struct ww_dim ww_i; /* the part inside the screen */ struct ww_pos ww_cur; /* the cursor position, relative to ww_w */ /* arrays */ char **ww_win; /* the window */ union ww_char **ww_buf; /* the buffer */ char **ww_fmap; /* map for frame and box windows */ short *ww_nvis; /* how many ww_buf chars are visible per row */ /* information for wwwrite() and company */ char ww_wstate; /* state for outputting characters */ char ww_modes; /* current display modes */ char ww_insert; /* insert mode */ char ww_mapnl; /* map \n to \r\n */ char ww_noupdate; /* don't do updates in wwwrite() */ char ww_unctrl; /* expand control characters */ char ww_nointr; /* wwwrite() not interruptable */ char ww_hascursor; /* has fake cursor */ /* things for the window process and io */ char ww_ispty; /* ww_pty is really a pty, not socket pair */ char ww_stopped; /* output stopped */ int ww_pty; /* file descriptor of pty or socket pair */ int ww_socket; /* other end of socket pair */ int ww_pid; /* pid of process, if WWS_HASPROC true */ char ww_ttyname[11]; /* "/dev/ttyp?" */ char *ww_ob; /* output buffer */ char *ww_obe; /* end of ww_ob */ char *ww_obp; /* current read position in ww_ob */ char *ww_obq; /* current write position in ww_ob */ /* things for the user, they really don't belong here */ char ww_id; /* the user window id */ char ww_center; /* center the label */ char ww_hasframe; /* frame it */ char ww_keepopen; /* keep it open after the process dies */ char *ww_label; /* the user supplied label */ struct ww_dim ww_alt; /* alternate position and size */ }; /* state of a tty */ struct ww_tty { #ifdef OLD_TTY struct sgttyb ww_sgttyb; struct tchars ww_tchars; struct ltchars ww_ltchars; int ww_lmode; int ww_ldisc; #else struct termios ww_termios; #endif int ww_fflags; }; union ww_char { short c_w; /* as a word */ struct { #if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN char C_c; /* the character part */ char C_m; /* the mode part */ #endif #if BYTE_ORDER == BIG_ENDIAN char C_m; /* the mode part */ char C_c; /* the character part */ #endif } c_un; }; #define c_c c_un.C_c #define c_m c_un.C_m /* for display update */ struct ww_update { int best_gain; int best_col; int gain; }; /* parts of ww_char */ #define WWC_CMASK 0x00ff #define WWC_MMASK 0xff00 #define WWC_MSHIFT 8 /* c_m bits */ #define WWM_REV 0x01 /* reverse video */ #define WWM_BLK 0x02 /* blinking */ #define WWM_UL 0x04 /* underlined */ #define WWM_GRP 0x08 /* graphics */ #define WWM_DIM 0x10 /* half intensity */ #define WWM_USR 0x20 /* user specified mode */ #define WWM_GLS 0x40 /* window only, glass, i.e., transparent */ /* ww_state values */ #define WWS_INITIAL 0 /* just opened */ #define WWS_HASPROC 1 /* has process on pty */ #define WWS_DEAD 3 /* child died */ /* flags for ww_fmap */ #define WWF_U 0x01 #define WWF_R 0x02 #define WWF_D 0x04 #define WWF_L 0x08 #define WWF_MASK (WWF_U|WWF_R|WWF_D|WWF_L) #define WWF_LABEL 0x40 #define WWF_TOP 0x80 /* flags to wwopen() */ #define WWO_PTY 0x01 /* want pty */ #define WWO_SOCKET 0x02 /* want socket pair */ #define WWO_REVERSE 0x04 /* make it all reverse video */ #define WWO_GLASS 0x08 /* make it all glass */ #define WWO_FRAME 0x10 /* this is a frame window */ /* special ww_index value */ #define WWX_NOBODY NWW /* error codes */ #define WWE_NOERR 0 #define WWE_SYS 1 /* system error */ #define WWE_NOMEM 2 /* out of memory */ #define WWE_TOOMANY 3 /* too many windows */ #define WWE_NOPTY 4 /* no more ptys */ #define WWE_SIZE 5 /* bad window size */ #define WWE_BADTERM 6 /* bad terminal type */ #define WWE_CANTDO 7 /* dumb terminal */ /* wwtouched[] bits, there used to be more than one */ #define WWU_TOUCHED 0x01 /* touched */ /* the window structures */ struct ww wwhead; struct ww *wwindex[NWW + 1]; /* last location is for wwnobody */ struct ww wwnobody; /* tty things */ struct ww_tty wwoldtty; /* the old (saved) terminal settings */ struct ww_tty wwnewtty; /* the new (current) terminal settings */ struct ww_tty wwwintty; /* the terminal settings for windows */ char *wwterm; /* the terminal name */ char wwtermcap[1024]; /* place for the termcap */ /* generally useful variables */ int wwnrow, wwncol; /* the screen size */ char wwavailmodes; /* actually supported modes */ char wwcursormodes; /* the modes for the fake cursor */ char wwwrap; /* terminal has auto wrap around */ int wwdtablesize; /* result of getdtablesize() call */ char **wwsmap; /* the screen map */ union ww_char **wwos; /* the old (current) screen */ union ww_char **wwns; /* the new (desired) screen */ union ww_char **wwcs; /* the checkpointed screen */ char *wwtouched; /* wwns changed flags */ struct ww_update *wwupd; /* for display update */ int wwospeed; /* output baud rate, copied from wwoldtty */ int wwbaud; /* wwospeed converted into actual number */ int wwcursorrow, wwcursorcol; /* where we want the cursor to be */ int wwerrno; /* error number */ /* statistics */ int wwnflush, wwnwr, wwnwre, wwnwrz, wwnwrc; int wwnwwr, wwnwwra, wwnwwrc; int wwntokdef, wwntokuse, wwntokbad, wwntoksave, wwntokc; int wwnupdate, wwnupdline, wwnupdmiss; int wwnupdscan, wwnupdclreol, wwnupdclreos, wwnupdclreosmiss, wwnupdclreosline; int wwnread, wwnreade, wwnreadz; int wwnreadc, wwnreadack, wwnreadnack, wwnreadstat, wwnreadec; int wwnwread, wwnwreade, wwnwreadz, wwnwreadd, wwnwreadc, wwnwreadp; int wwnselect, wwnselecte, wwnselectz; /* quicky macros */ #define wwsetcursor(r,c) (wwcursorrow = (r), wwcursorcol = (c)) #define wwcurtowin(w) wwsetcursor((w)->ww_cur.r, (w)->ww_cur.c) #define wwunbox(w) wwunframe(w) #define wwclreol(w,r,c) wwclreol1((w), (r), (c), 0) #define wwredrawwin(w) wwredrawwin1((w), (w)->ww_i.t, (w)->ww_i.b, 0) #define wwupdate() wwupdate1(0, wwnrow); /* things for handling input */ void wwrint(); /* interrupt handler */ struct ww *wwcurwin; /* window to copy input into */ char *wwib; /* input (keyboard) buffer */ char *wwibe; /* wwib + sizeof buffer */ char *wwibp; /* current read position in buffer */ char *wwibq; /* current write position in buffer */ #define wwmaskc(c) ((c) & 0xff) #define wwgetc() (wwibp < wwibq ? wwmaskc(*wwibp++) : -1) #define wwpeekc() (wwibp < wwibq ? wwmaskc(*wwibp) : -1) #define wwungetc(c) (wwibp > wwib ? *--wwibp = (c) : -1) /* things for short circuiting wwiomux() */ char wwintr; /* interrupting */ char wwsetjmp; /* want a longjmp() from wwrint() and wwchild() */ jmp_buf wwjmpbuf; /* jmpbuf for above */ #define wwinterrupt() wwintr #define wwsetintr() do { wwintr = 1; if (wwsetjmp) longjmp(wwjmpbuf, 1); } \ while (0) #define wwclrintr() (wwintr = 0) /* checkpointing */ int wwdocheckpoint; /* the window virtual terminal */ #define WWT_TERM "window-v2" #define WWT_TERMCAP "WW|window-v2|window program version 2:\ :am:bs:da:db:ms:pt:cr=^M:nl=^J:bl=^G:ta=^I:\ :cm=\\EY%+ %+ :le=^H:nd=\\EC:up=\\EA:do=\\EB:ho=\\EH:\ :cd=\\EJ:ce=\\EK:cl=\\EE:me=\\Er^?:" #define WWT_REV "se=\\ErA:so=\\EsA:mr=\\EsA:" #define WWT_BLK "BE=\\ErB:BS=\\EsB:mb=\\EsB:" #define WWT_UL "ue=\\ErD:us=\\EsD:" #define WWT_GRP "ae=\\ErH:as=\\EsH:" #define WWT_DIM "HE=\\ErP:HS=\\EsP:mh=\\EsP:" #define WWT_USR "XE=\\Er`:XS=\\Es`:" #define WWT_ALDL "al=\\EL:dl=\\EM:" #define WWT_IMEI "im=\\E@:ei=\\EO:ic=:mi:" /* XXX, ic for emacs bug */ #define WWT_IC "ic=\\EP:" #define WWT_DC "dc=\\EN:" char wwwintermcap[1024]; /* terminal-specific but window-independent part of the window termcap */ #ifdef TERMINFO /* where to put the temporary terminfo directory */ char wwterminfopath[1024]; #endif /* our functions */ struct ww *wwopen(); void wwchild(); void wwalarm(); void wwquit(); char **wwalloc(); char *wwerror(); /* c library functions */ char *getenv(); char *tgetstr(); char *rindex(); char *strcpy(); char *strcat(); #undef MIN #undef MAX #define MIN(x, y) ((x) > (y) ? (y) : (x)) #define MAX(x, y) ((x) > (y) ? (x) : (y))