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[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 6af4503..11825ab 100644 (file)
--- a/usr/src/usr.bin/window/ww.h
+++ b/usr/src/usr.bin/window/ww.h
@@ -1,9 +1,25 @@
 /*
 /*

- *     @(#)ww.h        3.33 84/05/23   
+ * Copyright (c) 1983 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ *     @(#)ww.h        3.52 (Berkeley) %G%

  */
 
 #include <sgtty.h>
 #include <setjmp.h>
  */
 
 #include <sgtty.h>
 #include <setjmp.h>

+#include <machine/endian.h>

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


@@ -23,10 +39,13 @@ struct ww_pos {
 
        /* the window structure */
 struct ww {
 
        /* 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;
                /* information for overlap */
        struct ww *ww_forw;     /* doubly linked list, for overlapping info */
        struct ww *ww_back;

-       char ww_state;          /* state of window */

        char ww_index;          /* the window index, for wwindex[] */
        char ww_order;          /* the overlapping order */
 
        char ww_index;          /* the window index, for wwindex[] */
        char ww_order;          /* the overlapping order */
 


@@ -51,7 +70,6 @@ struct ww {
        char ww_unctrl;         /* expand control characters */
        char ww_nointr;         /* wwwrite() not interruptable */
        char ww_hascursor;      /* has fake cursor */
        char ww_unctrl;         /* expand control characters */
        char ww_nointr;         /* wwwrite() not interruptable */
        char ww_hascursor;      /* has fake cursor */

-       char ww_hasframe;       /* frame it */

 
                /* things for the window process and io */
        char ww_ispty;          /* ww_pty is really a pty, not socket pair */
 
                /* things for the window process and io */
        char ww_ispty;          /* ww_pty is really a pty, not socket pair */


@@ -66,10 +84,12 @@ struct ww {
        char *ww_obq;           /* current write position in ww_ob */
 
                /* things for the user, they really don't belong here */
        char *ww_obq;           /* current write position in ww_ob */
 
                /* things for the user, they really don't belong here */

-       char ww_center;         /* center the label */

        char ww_id;             /* the user window id */
        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_pos ww_altpos;/* alternate position */
+       struct ww_dim ww_alt;   /* alternate position and size */

 };
 
        /* state of a tty */
 };
 
        /* state of a tty */


@@ -85,10 +105,11 @@ struct ww_tty {
 union ww_char {
        short c_w;              /* as a word */
        struct {
 union ww_char {
        short c_w;              /* as a word */
        struct {

-#ifndef O_SUN
+#if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN

                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
+#endif
+#if BYTE_ORDER == BIG_ENDIAN

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


@@ -97,6 +118,13 @@ union ww_char {
 #define c_c c_un.C_c
 #define c_m c_un.C_m
 
 #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
        /* parts of ww_char */
 #define WWC_CMASK      0x00ff
 #define WWC_MMASK      0xff00


@@ -107,7 +135,9 @@ union ww_char {
 #define WWM_BLK                0x02    /* blinking */
 #define WWM_UL         0x04    /* underlined */
 #define WWM_GRP                0x08    /* graphics */
 #define WWM_BLK                0x02    /* blinking */
 #define WWM_UL         0x04    /* underlined */
 #define WWM_GRP                0x08    /* graphics */

-#define WWM_GLS                0x10    /* window only, glass, i.e. transparent */
+#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 */


@@ -143,9 +173,8 @@ union ww_char {
 #define WWE_BADTERM    6               /* bad terminal type */
 #define WWE_CANTDO     7               /* dumb terminal */
 
 #define WWE_BADTERM    6               /* bad terminal type */
 #define WWE_CANTDO     7               /* dumb terminal */
 

-       /* wwtouched[] bits */
+       /* wwtouched[] bits, there used to be more than one */

 #define WWU_TOUCHED    0x01            /* touched */
 #define WWU_TOUCHED    0x01            /* touched */

-#define WWU_MAJOR      0x02            /* major change */

 
        /* the window structures */
 struct ww wwhead;
 
        /* the window structures */
 struct ww wwhead;


@@ -158,8 +187,6 @@ 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 */
 struct ww_tty wwwintty;                /* the terminal settings for windows */
 char *wwterm;                  /* the terminal name */
 char wwtermcap[1024];          /* place for the termcap */

-char wwkeys[512];              /* termcap fields for the function keys */
-char wwwintermcap[1024];       /* termcap for windows */

 
        /* generally useful variables */
 int wwnrow, wwncol;            /* the screen size */
 
        /* generally useful variables */
 int wwnrow, wwncol;            /* the screen size */


@@ -171,7 +198,8 @@ char **wwsmap;                      /* the screen 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 */
+struct ww_update *wwupd;       /* for display update */
+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 wwerrno;                   /* error number */
 int wwbaud;                    /* wwbaudmap[wwoldtty.ww_sgttyb.sg_ospeed] */
 int wwcursorrow, wwcursorcol;  /* where we want the cursor to be */
 int wwerrno;                   /* error number */


@@ -179,7 +207,8 @@ int wwerrno;                        /* error number */
        /* statistics */
 int wwnflush, wwnwr, wwnwre, wwnwrz, wwnwrc;
 int wwnwwr, wwnwwra, wwnwwrc;
        /* statistics */
 int wwnflush, wwnwr, wwnwre, wwnwrz, wwnwrc;
 int wwnwwr, wwnwwra, wwnwwrc;

-int wwnupdate, wwnupdline, wwnupdmiss, wwnmajline, wwnmajmiss;
+int wwnupdate, wwnupdline, wwnupdmiss;
+int wwnupdscan, wwnupdclreol, wwnupdclreos, wwnupdclreosmiss, wwnupdclreosline;

 int wwnread, wwnreade, wwnreadz, wwnreadc;
 int wwnwread, wwnwreade, wwnwreadz, wwnwreadd, wwnwreadc, wwnwreadp;
 int wwnselect, wwnselecte, wwnselectz;
 int wwnread, wwnreade, wwnreadz, wwnreadc;
 int wwnwread, wwnwreade, wwnwreadz, wwnwreadd, wwnwreadc, wwnwreadp;
 int wwnselect, wwnselecte, wwnselectz;


@@ -195,8 +224,6 @@ int wwnselect, wwnselecte, wwnselectz;
        /* things for handling input */
 int wwrint();          /* interrupt handler */
 struct ww *wwcurwin;   /* window to copy input into */
        /* things for handling input */
 int wwrint();          /* interrupt handler */
 struct ww *wwcurwin;   /* window to copy input into */

-char wwsetjmp;         /* want a longjmp() from wwrint() */
-jmp_buf wwjmpbuf;      /* jmpbuf for above */

 char *wwib;            /* input (keyboard) buffer */
 char *wwibe;           /* wwib + sizeof buffer */
 char *wwibp;           /* current read position in buffer */
 char *wwib;            /* input (keyboard) buffer */
 char *wwibe;           /* wwib + sizeof buffer */
 char *wwibp;           /* current read position in buffer */


@@ -204,18 +231,33 @@ 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)
 #define wwgetc()       (wwibp < wwibq ? *wwibp++ & 0x7f : -1)
 #define wwpeekc()      (wwibp < wwibq ? *wwibp & 0x7f : -1)
 #define wwungetc(c)    (wwibp > wwib ? *--wwibp = (c) : -1)

-#define wwinterrupt()  (wwibp < wwibq)
+
+       /* 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)

 
        /* the window virtual terminal */
 
        /* the window virtual terminal */

-#define WWT_TERM       "TERM=window"
-#define WWT_TERMCAP    "WW|window|window package:\
-       :cr=^M:nl=^J:bl=^G:\
-       :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:"
-#define WWT_REV                "se=\\Eq:so=\\Ep:"
-#define WWT_UL         "ue=\\Es:us=\\Er:"
-#define WWT_GRP                "ae=\\EG:as=\\EF:"
+#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:mi:"
+#define WWT_DC         "dc=\\EN:"
+char wwwintermcap[1024];       /* terminal-specific but window-independent
+                                  part of the window termcap */

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


@@ -232,11 +274,8 @@ 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))

-
-#define sigmask(s)     (1 << (s) - 1)