date and time created 83/09/13 15:00:22 by edward

[unix-history] / usr / src / usr.bin / window / cmd.c

#ifndef lint
static  char *sccsid = "@(#)cmd.c       3.11 83/09/02";
#endif

#include "defs.h"

docmd()
{
       register char c;
       register struct ww *w;

       if (!terse)
               wwadd(cmdwin, &wwhead);
       if (selwin != 0)
               wwcursor(selwin, 1);
       for (;;) {
               while ((c = bgetc()) >= 0) {
                       if (!terse)
                               (void) wwputs("\r\n", cmdwin);
                       switch (c) {
                       default:
                               if (c == escapec)
                                       goto foo;
                               break;
                       case 'h': case 'j': case 'k': case 'l':
                       case CTRL(y):
                       case CTRL(e):
                       case CTRL(u):
                       case CTRL(d):
                       case CTRL(b):
                       case CTRL(f):
                       case CTRL(s):
                       case CTRL(q):
                       case CTRL([):
                       foo:
                               if (selwin == 0) {
                                       error("No window.");
                                       continue;
                               }
                       }
                       switch (c) {
                       case '1': case '2': case '3': case '4': case '5':
                       case '6': case '7': case '8': case '9':
                               if ((w = window[c - '1']) == 0) {
                                       wwbell();
                                       break;
                               }
                               setselwin(w);
                               if (checkproc(selwin) >= 0)
                                       incmd = 0;
                               break;
                       case '%':
                               if ((w = getwin()) != 0)
                                       setselwin(w);
                               break;
                       case 'c':
                               if ((w = getwin()) != 0)
                                       c_close(w);
                               break;
                       case 'C':
                               c_close((struct ww *)0);
                               break;
                       case 'w':
                               c_window();
                               break;
                       case 'm':
                               if ((w = getwin()) != 0)
                                       c_move(w);
                               break;
                       case 'S':
                               c_show();
                               break;
                       case 'L':
                               c_list();
                               break;
                       case ':':
                               c_colon();
                               break;
                       case 'h':
                               (void) wwwrite(selwin, "\b", 1);
                               break;
                       case 'j':
                               (void) wwwrite(selwin, "\n", 1);
                               break;
                       case 'k':
                               (void) wwwrite(selwin, "\033A", 2);
                               break;
                       case 'l':
                               (void) wwwrite(selwin, "\033C", 2);
                               break;
                       case CTRL(e):
                               wwscroll(selwin, 1);
                               break;
                       case CTRL(y):
                               wwscroll(selwin, -1);
                               break;
                       case CTRL(d):
                               wwscroll(selwin, selwin->ww_w.nr / 2);
                               break;
                       case CTRL(u):
                               wwscroll(selwin, - selwin->ww_w.nr / 2);
                               break;
                       case CTRL(f):
                               wwscroll(selwin, selwin->ww_w.nr);
                               break;
                       case CTRL(b):
                               wwscroll(selwin, - selwin->ww_w.nr);
                               break;
                       case CTRL(s):
                               (void) write(selwin->ww_pty,
                                       &wwwintty.ww_tchars.t_stopc, 1);
                               break;
                       case CTRL(q):
                               (void) write(selwin->ww_pty,
                                       &wwwintty.ww_tchars.t_startc, 1);
                               break;
                       case CTRL(l):
                               wwredraw();
                               break;
                       case '?':
                               c_help();
                               break;
                       case CTRL([):
                               if (checkproc(selwin) >= 0)
                                       incmd = 0;
                               break;
                       case CTRL(z):
                               wwsuspend();
                               break;
                       case 'q':
                               c_quit();
                               break;
                       /* undocumented commands */
                       case 's':
                               c_stat();
                               break;
                       case 't':
                               c_time(RUSAGE_SELF);
                               break;
                       case 'T':
                               c_time(RUSAGE_CHILDREN);
                               break;
                       /* debugging commands */
                       case 'M':
                               if (!debug)
                                       goto badcmd;
                               wwdumpsmap();
                               break;
                       case 'V':
                               if (!debug)
                                       goto badcmd;
                               if ((w = getwin()) != 0)
                                       wwdumpnvis(w);
                               break;
                       case 'D':
                               if (!debug)
                                       goto badcmd;
                               if ((w = getwin()) != 0)
                                       wwdumpcov(w);
                               break;
                       case 'W':
                               if (!debug)
                                       goto badcmd;
                               if ((w = getwin()) != 0)
                                       wwdumpwin(w);
                               break;
                       default:
                       badcmd:
                               if (c == escapec) {
                                       if (checkproc(selwin) >= 0) {
                                               (void) write(selwin->ww_pty,
                                                       &escapec, 1);
                                               incmd = 0;
                                       }
                               } else {
                                       if (!terse)
                                               wwbell();
                                       error("Type ? for help.");
                               }
                       }
               }
               if (!incmd || quit)
                       break;
               if (terse)
                       wwsetcursor(0, 0);
               else {
                       (void) wwputs("Command: ", cmdwin);
                       wwcurtowin(cmdwin);
               }
               while (bpeekc() < 0)
                       bread();
       }
       if (!quit) {
               if (!terse) {
                       wwdelete(cmdwin);
                       reframe();
               }
               wwcursor(selwin, 0);
       }
}

struct ww *
getwin()
{
       register int c;
       struct ww *w = 0;

       if (!terse)
               (void) wwputs("Which window? ", cmdwin);
       wwsetcursor(wwcurrow(cmdwin), wwcurcol(cmdwin));
       while ((c = bgetc()) < 0)
               bread();
       if (debug && c == 'c')
               w = cmdwin;
       else if (debug && c == 'f')
               w = framewin;
       else if (debug && c == 'b')
               w = boxwin;
       else if (c >= '1' && c < NWINDOW + '1')
               w = window[c - '1'];
       if (w == 0)
               wwbell();
       if (!terse)
               (void) wwputs("\r\n", cmdwin);
       return w;
}

checkproc(w)
struct ww *w;
{
       if (w->ww_state != WWS_HASPROC) {
               error("No process in window.");
               return -1;
       }
       return 0;
}

setselwin(w)
struct ww *w;
{
       if ((selwin = w) != 0)
               front(w);
}

/*
* This is all heuristic.
* wwvisible() doesn't work for partially tinted windows.
* and wwmoveup() doesn't work for transparent (completely or in part) windows.
* But anything to make it faster.
*/
front(w)
register struct ww *w;
{
       char moved = 0;

       if (wwvisible(w))
               moved = 1;
       else
               while (w->ww_back != framewin) {
                       wwmoveup(w);
                       moved = 1;
               }
       if (moved)
               reframe();
}

reframe()
{
       register struct ww *w;

       wwunframe(framewin);
       for (w = wwhead.ww_back; w != &wwhead; w = w->ww_back)
               if (w->ww_hasframe) {
                       wwframe(w, framewin);
                       labelwin(w);
               }
}

labelwin(w)
register struct ww *w;
{
       int mode = w == selwin ? WWM_REV : 0;

       if (w->ww_id >= 0) {
               char buf[2];

               buf[0] = w->ww_id + '1';
               buf[1] = 0;
               wwlabel(w, framewin, 1, buf, mode);
       }
       if (w->ww_label) {
               int col;

               if (w->ww_center) {
                       col = (w->ww_w.nc - strlen(w->ww_label)) / 2;
                       col = MAX(3, col);
               } else
                       col = 3;
               wwlabel(w, framewin, col, w->ww_label, mode);
       }
}