changes from mips!dce, most compatibility stuff

[unix-history] / usr / src / usr.bin / window / ww.h

diff --git a/usr/src/usr.bin/window/ww.h b/usr/src/usr.bin/window/ww.h
index 7a167f0..0e9ad54 100644 (file)
--- a/usr/src/usr.bin/window/ww.h
+++ b/usr/src/usr.bin/window/ww.h
@@ -1,12 +1,19 @@
 /*
 /*

- *     @(#)ww.h        3.5 83/08/17    
+ * @(#)ww.h    3.42 %G%        
+ */
+
+/*
+ * Copyright (c) 1983 Regents of the University of California,
+ * All rights reserved.  Redistribution permitted subject to
+ * the terms of the Berkeley Software License Agreement.

  */
 
  */
 

-#include <stdio.h>

 #include <sgtty.h>
 #include <sgtty.h>

+#include <setjmp.h>

 
 

-#define NWW    30
+#define NWW    30              /* maximum number of windows */

 
 

+       /* a rectangle */

 struct ww_dim {
        int nr;                 /* number of rows */
        int nc;                 /* number of columns */
 struct ww_dim {
        int nr;                 /* number of rows */
        int nc;                 /* number of columns */


@@ -14,55 +21,87 @@ struct ww_dim {
        int l, r;               /* left, right */
 };
 
        int l, r;               /* left, right */
 };
 

+       /* a coordinate */

 struct ww_pos {
        int r;                  /* row */
        int c;                  /* column */
 };
 
 struct ww_pos {
        int r;                  /* row */
        int c;                  /* column */
 };
 

+       /* the window structure */

 struct ww {
 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;
        struct ww *ww_forw;     /* doubly linked list, for overlapping info */
        struct ww *ww_back;

-       char ww_state;          /* state of window creation */
-       char ww_wstate;         /* state for printing charcters */
-       char ww_modes;          /* current printing modes */
-       char ww_insert :1;      /* insert mode, for printing */
-       char ww_mapnl :1;       /* map \n to \r\n */
-       char ww_haspty :1;      /* has pty */
-       char ww_index;          /* the index, for wwindex[] */
+       char ww_index;          /* the window index, for wwindex[] */

        char ww_order;          /* the overlapping order */
        char ww_order;          /* the overlapping order */

-       struct ww_dim ww_w;     /* window dimemsions */
-       short ww_nline;         /* size of the buffer */
-       short ww_scroll;        /* where the window is relative to the buffer */
+
+               /* 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 */
        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_win;          /* the window */
        union ww_char **ww_buf; /* the buffer */

-       char **ww_cov;          /* the covered-by array */
+       char **ww_fmap;         /* map for frame and box windows */

        short *ww_nvis;         /* how many ww_buf chars are visible per row */
        short *ww_nvis;         /* how many ww_buf chars are visible per row */

-       int ww_pty;             /* file descriptor of pty */
-       int ww_tty;             /* . . . tty */
+
+               /* 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?" */
        int ww_pid;             /* pid of process, if WWS_HASPROC true */
        char ww_ttyname[11];    /* "/dev/ttyp?" */

-       /* below are things for the user */
-       char ww_hasframe :1;    /* frame it */
-       char ww_center :1;      /* center the label */
-       int ww_id;              /* the user id */
+       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 */
        char *ww_label;         /* the user supplied label */

+       struct ww_dim ww_alt;   /* alternate position and size */

 };
 
 };
 

+       /* state of a tty */

 struct ww_tty {
        struct sgttyb ww_sgttyb;
        struct tchars ww_tchars;
        struct ltchars ww_ltchars;
        int ww_lmode;
        int ww_ldisc;
 struct ww_tty {
        struct sgttyb ww_sgttyb;
        struct tchars ww_tchars;
        struct ltchars ww_ltchars;
        int ww_lmode;
        int ww_ldisc;

-       int ww_pgrp;
+       int ww_fflags;

 };
 
 union ww_char {
        short c_w;              /* as a word */
        struct {
 };
 
 union ww_char {
        short c_w;              /* as a word */
        struct {

+#if defined(vax)

                char C_c;       /* the character part */
                char C_m;       /* the mode part */
                char C_c;       /* the character part */
                char C_m;       /* the mode part */

+#else
+               char C_m;       /* the mode part */
+               char C_c;       /* the character part */
+#endif

        } c_un;
 };
 #define c_c c_un.C_c
        } c_un;
 };
 #define c_c c_un.C_c


@@ -77,21 +116,17 @@ union ww_char {
 #define WWM_REV                0x01    /* reverse video */
 #define WWM_BLK                0x02    /* blinking */
 #define WWM_UL         0x04    /* underlined */
 #define WWM_REV                0x01    /* reverse video */
 #define WWM_BLK                0x02    /* blinking */
 #define WWM_UL         0x04    /* underlined */

-#define WWM_GLS                0x10    /* window only, glass, i.e. transparent */
-#define WWM_COV                0x20    /* window only, covered */
+#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 */
 
        /* ww_state values */
 #define WWS_INITIAL    0       /* just opened */

-#define WWS_HASPROC    1       /* forked, in parent */
-#define WWS_INCHILD    2       /* forked, in child */
+#define WWS_HASPROC    1       /* has process on pty */

 #define WWS_DEAD       3       /* child died */
 
 #define WWS_DEAD       3       /* child died */
 

-       /* flags to wwopen() */
-#define WWO_PTY                0x01            /* want pty */
-#define WWO_REVERSE    0x02            /* make it all reverse video */
-#define WWO_GLASS      0x04            /* make it all glass */
-
-       /* flags for wwfmap */
+       /* flags for ww_fmap */

 #define WWF_U          0x01
 #define WWF_R          0x02
 #define WWF_D          0x04
 #define WWF_U          0x01
 #define WWF_R          0x02
 #define WWF_D          0x04


@@ -100,13 +135,36 @@ union ww_char {
 #define WWF_LABEL      0x40
 #define WWF_TOP                0x80
 
 #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
 
        /* 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 */
+#define WWU_TOUCHED    0x01            /* touched */
+#define WWU_MAJOR      0x02            /* major change */
+
+       /* the window structures */

 struct ww wwhead;
 struct ww *wwindex[NWW + 1];           /* last location is for wwnobody */
 struct ww wwnobody;
 
 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 */
 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 */


@@ -114,46 +172,76 @@ char *wwterm;                     /* the terminal name */
 char wwtermcap[1024];          /* place for the termcap */
 char wwkeys[512];              /* termcap fields for the function keys */
 
 char wwtermcap[1024];          /* place for the termcap */
 char wwkeys[512];              /* termcap fields for the function keys */
 

+       /* generally useful variables */

 int wwnrow, wwncol;            /* the screen size */
 char wwavailmodes;             /* actually supported modes */
 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 */
 int wwdtablesize;              /* result of getdtablesize() call */
 char **wwsmap;                 /* the screen map */

-char **wwfmap;                 /* the frame map */

 union ww_char **wwos;          /* the old (current) screen */
 union ww_char **wwns;          /* the new (desired) screen */
 char *wwtouched;               /* wwns changed flags */
 union ww_char **wwos;          /* the old (current) screen */
 union ww_char **wwns;          /* the new (desired) screen */
 char *wwtouched;               /* wwns changed flags */

-int wwbaudmap[];               /* maps stty() baud rate code into number */
+extern int wwbaudmap[];                /* maps stty() baud rate code into number */

 int wwbaud;                    /* wwbaudmap[wwoldtty.ww_sgttyb.sg_ospeed] */
 int wwcursorrow, wwcursorcol;  /* where we want the cursor to be */
 int wwbaud;                    /* wwbaudmap[wwoldtty.ww_sgttyb.sg_ospeed] */
 int wwcursorrow, wwcursorcol;  /* where we want the cursor to be */

+int wwerrno;                   /* error number */

 
        /* statistics */
 
        /* statistics */

-int wwnwrite, wwnwritec;
-int wwnupdate, wwntouched, wwnmiss;
+int wwnflush, wwnwr, wwnwre, wwnwrz, wwnwrc;
+int wwnwwr, wwnwwra, wwnwwrc;
+int wwnupdate, wwnupdline, wwnupdmiss, wwnmajline, wwnmajmiss;
+int wwnread, wwnreade, wwnreadz, wwnreadc;
+int wwnwread, wwnwreade, wwnwreadz, wwnwreadd, wwnwreadc, wwnwreadp;
+int wwnselect, wwnselecte, wwnselectz;

 
        /* quicky macros */
 
        /* quicky macros */

-#define wwcurrow(w)    ((w)->ww_cur.r + (w)->ww_w.t)
-#define wwcurcol(w)    ((w)->ww_cur.c + (w)->ww_w.l)

 #define wwsetcursor(r,c) (wwcursorrow = (r), wwcursorcol = (c))
 #define wwsetcursor(r,c) (wwcursorrow = (r), wwcursorcol = (c))

-#define wwcurtowin(w)  wwsetcursor(wwcurrow(w), wwcurcol(w))
-#define wwbell()       putchar(CTRL(g))
+#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 */
+int 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 wwgetc()       (wwibp < wwibq ? *wwibp++ & 0x7f : -1)
+#define wwpeekc()      (wwibp < wwibq ? *wwibp & 0x7f : -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()    (wwintr = 1, wwsetjmp ? longjmp(wwjmpbuf, 1) : 0)
+#define wwclrintr()    (wwintr = 0)

 
        /* the window virtual terminal */
 #define WWT_TERM       "TERM=window"
 
        /* the window virtual terminal */
 #define WWT_TERM       "TERM=window"

-#define WWT_TERMCAP    "TERMCAP=WW|window|window package:\
+#define WWT_TERMCAP    "WW|window|window program:\

        :cr=^M:nl=^J:bl=^G:\
        :cr=^M:nl=^J:bl=^G:\

-       :al=\\EL:am:le=^H:bs:cd=\\EJ:ce=\\EK:cl=\\EE:cm=\\EY%%+ %%+ :\
-       :co#%d:dc=\\EN:dl=\\EM:do=\\EB:ei=\\EO:ho=\\EH:li#%d:im=\\E@:mi:\
-       :nd=\\EC:ta=^I:pt:up=\\EA:"
-#define WWT_REV                "se=\\Eq:so=\\Ep:"
-#define WWT_UL         "ue=\\Es:us=\\Er:"
+       :al=\\EL:am:le=^H:bs:cd=\\EJ:ce=\\EK:cl=\\EE:cm=\\EY%+ %+ :\
+       :da:db:dc=\\EN:dl=\\EM:do=\\EB:ei=\\EO:ho=\\EH:im=\\E@:mi:\
+       :nd=\\EC:ta=^I:pt:up=\\EA: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`:"

 
        /* our functions */
 struct ww *wwopen();
 
        /* our functions */
 struct ww *wwopen();

-struct ww *wwfind();

 int wwchild();
 int wwsuspend();
 int wwchild();
 int wwsuspend();

-char *unctrl();

 char **wwalloc();
 char **wwalloc();

+char *wwerror();

 
        /* c library functions */
 char *malloc();
 
        /* c library functions */
 char *malloc();


@@ -163,13 +251,9 @@ char *tgetstr();
 char *rindex();
 char *strcpy();
 char *strcat();
 char *rindex();
 char *strcpy();
 char *strcat();

+char *sprintf();

 
 #undef MIN
 #undef MAX
 #define MIN(x, y)      ((x) > (y) ? (y) : (x))
 #define MAX(x, y)      ((x) > (y) ? (x) : (y))
 
 #undef MIN
 #undef MAX
 #define MIN(x, y)      ((x) > (y) ? (y) : (x))
 #define MAX(x, y)      ((x) > (y) ? (x) : (y))

-
-#undef CTRL
-#define CTRL(c)                ('c'&0x1f)
-#define DEL            0x7f
-#define ISCTRL(c)      ((c) < ' ' || (c) >= DEL)