-/* @(#)ww.h 2.1 83/07/30 */
+/*
+ * @(#)ww.h 3.9 83/08/19
+ */
#include <stdio.h>
#include <sgtty.h>
-#include "window.h"
+
+#define NWW 30
struct ww_dim {
- short col;
- short row;
- short ncol;
- short nrow;
+ int nr; /* number of rows */
+ int nc; /* number of columns */
+ int t, b; /* top, bottom */
+ int l, r; /* left, right */
+};
+
+struct ww_pos {
+ int r; /* row */
+ int c; /* column */
};
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_mode; /* mode used to open this window */
char ww_wstate; /* state for printing charcters */
- int ww_insert :1; /* insert mode, for printing */
- int ww_refresh :1; /* force refresh after \n and others */
- char ww_ident; /* the window id */
- char *ww_label; /* the user supplied label */
- Win *ww_win;
- struct ww_dim ww_o; /* outside dimemsions */
- struct ww_dim ww_i; /* inside dimemsions */
+ 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_index; /* the index, for wwindex[] */
+ char ww_order; /* the overlapping order */
struct ww_dim ww_w; /* window dimemsions */
- int ww_pty; /* pty or socket pair */
- int ww_tty;
- int ww_pid;
- struct ww *ww_next;
- char ww_ttyname[11];
+ int ww_nline; /* size of the buffer */
+ int ww_scroll; /* where the window is relative to the buffer */
+ struct ww_pos ww_cur; /* the cursor position, relative to ww_w */
+ char **ww_win; /* the window */
+ union ww_char **ww_buf; /* the buffer */
+ char **ww_cov; /* the covered-by array */
+ short *ww_nvis; /* how many ww_buf chars are visible per row */
+ 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_center :1; /* center the label */
+ int ww_id; /* the user id */
+ char *ww_label; /* the user supplied label */
};
struct ww_tty {
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 WW_INITIAL 0
-#define WW_HASPROC 1
-#define WW_INCHILD 2
-#define WW_DEAD 3
+#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 */
- /* ww_mode values */
-#define WW_PTY 0 /* has pty */
-#define WW_SOCKET 1 /* has socket pair */
-#define WW_NONE 2 /* has nothing */
+ /* 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 */
-#undef CTRL
-#define CTRL(c) ('c'&0x1f)
-#define DEL 0x7f
-#define ISCTRL(c) ((c) < ' ' || (c) >= DEL)
+ /* flags for wwfmap */
+#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
-extern struct ww *wwhead, *curwin;
-extern struct ww_tty wwoldtty, wwnewtty, wwwintty;
-extern int wwnwrite;
-extern int wwnwritec;
-extern int wwnrow, wwncol; /* the screen size */
+ /* special ww_index value */
+#define WWX_NOBODY NWW
-#define wwputchar(c) wwputc((c), curwin)
-#define wwputstr(s) wwputs((s), curwin)
-#define wwsetcursor(r,c) (WRCurRow = (r), WRCurCol = (c))
-#define wwflush() Wrefresh(1)
+struct ww wwhead;
+struct ww *wwindex[NWW + 1]; /* last location is for wwnobody */
+struct ww wwnobody;
+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 */
+
+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 */
+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 */
+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 */
+
+ /* statistics */
+int wwnwrite, wwnwritec;
+int wwnupdate, wwntouched, wwnmiss;
+
+ /* 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 wwcurtowin(w) wwsetcursor(wwcurrow(w), wwcurcol(w))
+#define wwbell() putchar(CTRL(g))
+
+ /* 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();
+
+ /* c library functions */
+char *malloc();
+char *calloc();
+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))
+
+#undef CTRL
+#define CTRL(c) ('c'&0x1f)
+#define DEL 0x7f
+#define ISCTRL(c) ((c) < ' ' || (c) >= DEL)