reorganize window management to allow display routines to set

[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 e1eb049..8866b0f 100644 (file)
--- a/usr/src/usr.bin/window/ww.h
+++ b/usr/src/usr.bin/window/ww.h
@@ -1,10 +1,9 @@
 /*
 /*

- *     @(#)ww.h        3.1 83/08/11    
+ *     @(#)ww.h        3.16 83/09/15   

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

-#include "tt.h"

 
 #define NWW    30
 
 
 #define NWW    30
 


@@ -20,62 +19,46 @@ struct ww_pos {
        int c;                  /* column */
 };
 
        int c;                  /* column */
 };
 

-union ww_char {
-       short c_w;              /* as a word */
-       struct {
-               char C_c;       /* the character part */
-               char C_m;       /* the mode part */
-       } c_un;
-};
-#define c_c c_un.C_c
-#define c_m c_un.C_m
-
-#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_GLS                0x10    /* window only, glass, i.e. transparent */
-#define WWM_COV                0x20    /* window only, covered */
-

 struct ww {
        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 */
 struct ww {
        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 */

-       int ww_insert :1;       /* insert mode, for printing */
-       int ww_mapnl :1;        /* map \n to \r\n */
-       int ww_haspty :1;       /* has pty */
+       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_hascursor :1;   /* has fake cursor */
+       char ww_hasframe :1;    /* frame it */

        char ww_index;          /* the index, for wwindex[] */
        char ww_order;          /* the overlapping order */
        char ww_index;          /* the index, for wwindex[] */
        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_cov;          /* the covered-by array */
        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 */

+
+               /* things for the window process */

        int ww_pty;             /* file descriptor of pty */
        int ww_tty;             /* . . . tty */
        int ww_pid;             /* pid of process, if WWS_HASPROC true */
        int ww_pty;             /* file descriptor of pty */
        int ww_tty;             /* . . . tty */
        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_ttyname[11];    /* "/dev/ttyp?" */
+
+               /* things for the user, they really don't belong here */

        char ww_center :1;      /* center the label */
        char ww_center :1;      /* center the label */

-       int ww_id;              /* the user id */
+       int ww_id;              /* the user window id */

        char *ww_label;         /* the user supplied label */
        char *ww_label;         /* the user supplied label */

+       struct ww_pos ww_altpos;/* alternate position */

 };
 
 };
 

-       /* 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_DEAD       3       /* child died */
-

 struct ww_tty {
        struct sgttyb ww_sgttyb;
        struct tchars ww_tchars;
 struct ww_tty {
        struct sgttyb ww_sgttyb;
        struct tchars ww_tchars;


@@ -85,47 +68,118 @@ struct ww_tty {
        int ww_pgrp;
 };
 
        int ww_pgrp;
 };
 

+union ww_char {
+       short c_w;              /* as a word */
+       struct {
+               char C_c;       /* the character part */
+               char C_m;       /* the mode part */
+       } c_un;
+};
+#define c_c c_un.C_c
+#define c_m c_un.C_m
+
+       /* 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_GLS                0x10    /* window only, glass, i.e. transparent */
+#define WWM_COV                0x20    /* window only, covered */
+
+       /* 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_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_REVERSE    0x02            /* make it all reverse video */
 #define WWO_GLASS      0x04            /* make it all glass */
        /* 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 */

+#define WWO_FRAME      0x08            /* this is a frame window */
+
+       /* special ww_index value */
+#define WWX_NOBODY     NWW
+
+#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 */

 
 struct ww wwhead;
 
 struct ww wwhead;

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

 struct ww wwnobody;
 struct ww wwnobody;

-#define WWX_NOBODY     NWW

 
 

-struct ww_tty wwoldtty, wwnewtty, wwwintty;
+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 */
+char wwkeys[512];              /* termcap fields for the function keys */

 
 

-char *wwterm;
-char wwtermcap[1024];
-char wwkeys[512];

 int wwnrow, wwncol;            /* the screen size */
 int wwnrow, wwncol;            /* the screen size */

-int wwcursorrow, wwcursorcol;  /* the terminal cursor position */
-int wwdtablesize;
+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 */
 char **wwsmap;                 /* the screen map */

-union ww_char **wwns;
-union ww_char **wwos;
-int wwbaud;
-int wwbaudmap[];
+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 */
+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;
-int wwnwritec;
+int wwnwrite, wwnwritec;
+int wwnupdate, wwntouched, wwnmiss;

 
 

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

 #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 wwcurtowin(w)  wwsetcursor((w)->ww_cur.r, (w)->ww_cur.c)

 #define wwbell()       putchar(CTRL(g))
 #define wwbell()       putchar(CTRL(g))

-
+#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)
+
+       /* 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:"
+
+       /* our functions */

 struct ww *wwopen();
 struct ww *wwfind();
 int wwchild();
 int wwsuspend();
 char *unctrl();
 char **wwalloc();
 struct ww *wwopen();
 struct ww *wwfind();
 int wwchild();
 int wwsuspend();
 char *unctrl();
 char **wwalloc();

+char *wwerror();

 
 

+       /* c library functions */

 char *malloc();
 char *calloc();
 char *getenv();
 char *malloc();
 char *calloc();
 char *getenv();