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BSD 4_3_Net_2 release
[unix-history] / usr / src / usr.bin / window / cmd.c
/*
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Edward Wang at The University of California, Berkeley.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static char sccsid[] = "@(#)cmd.c 3.40 (Berkeley) 6/6/90";
#endif /* not lint */
#include "defs.h"
#include "char.h"
docmd()
{
register char c;
register struct ww *w;
char out = 0;
while (!out && !quit) {
if ((c = wwgetc()) < 0) {
if (terse)
wwsetcursor(0, 0);
else {
wwputs("Command: ", cmdwin);
wwcurtowin(cmdwin);
}
do
wwiomux();
while ((c = wwgetc()) < 0);
}
if (!terse)
wwputc('\n', cmdwin);
switch (c) {
default:
if (c != escapec)
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('['):
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) {
error("%c: No such window.", c);
break;
}
setselwin(w);
if (checkproc(selwin) >= 0)
out = 1;
break;
case '%':
if ((w = getwin()) != 0)
setselwin(w);
break;
case ctrl('^'):
if (lastselwin != 0) {
setselwin(lastselwin);
if (checkproc(selwin) >= 0)
out = 1;
} else
error("No previous window.");
break;
case 'c':
if ((w = getwin()) != 0)
closewin(w);
break;
case 'w':
c_window();
break;
case 'm':
if ((w = getwin()) != 0)
c_move(w);
break;
case 'M':
if ((w = getwin()) != 0)
movewin(w, w->ww_alt.t, w->ww_alt.l);
break;
case 's':
if ((w = getwin()) != 0)
c_size(w);
break;
case 'S':
if ((w = getwin()) != 0)
sizewin(w, w->ww_alt.nr, w->ww_alt.nc);
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'):
stopwin(selwin);
break;
case ctrl('q'):
startwin(selwin);
break;
case ctrl('l'):
wwredraw();
break;
case '?':
c_help();
break;
case ctrl('['):
if (checkproc(selwin) >= 0)
out = 1;
break;
case ctrl('z'):
wwsuspend();
break;
case 'q':
c_quit();
break;
/* debugging stuff */
case '&':
if (debug) {
c_debug();
break;
}
default:
if (c == escapec) {
if (checkproc(selwin) >= 0) {
(void) write(selwin->ww_pty,
&escapec, 1);
out = 1;
}
} else {
if (!terse)
wwbell();
error("Type ? for help.");
}
}
}
if (!quit)
setcmd(0);
}
struct ww *
getwin()
{
register int c;
struct ww *w = 0;
if (!terse)
wwputs("Which window? ", cmdwin);
wwcurtowin(cmdwin);
while ((c = wwgetc()) < 0)
wwiomux();
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'];
else if (c == '+')
w = selwin;
else if (c == '-')
w = lastselwin;
if (w == 0)
wwbell();
if (!terse)
wwputc('\n', cmdwin);
return w;
}
checkproc(w)
struct ww *w;
{
if (w->ww_state != WWS_HASPROC) {
error("No process in window.");
return -1;
}
return 0;
}
setcmd(new)
char new;
{
if (new && !incmd) {
if (!terse)
wwadd(cmdwin, &wwhead);
if (selwin != 0)
wwcursor(selwin, 1);
wwcurwin = 0;
} else if (!new && incmd) {
if (!terse) {
wwdelete(cmdwin);
reframe();
}
if (selwin != 0)
wwcursor(selwin, 0);
wwcurwin = selwin;
}
incmd = new;
}
setterse(new)
char new;
{
if (incmd)
if (new && !terse) {
wwdelete(cmdwin);
reframe();
} else if (!new && terse)
wwadd(cmdwin, &wwhead);
terse = new;
}
/*
* Set the current window.
*/
setselwin(w)
struct ww *w;
{
if (selwin == w)
return;
if (selwin != 0)
lastselwin = selwin;
if ((selwin = w) != 0)
front(selwin, 1);
}
Continuous source code history from original PDP-7 UNIX to FreeBSD 2, the first fully unencumbered FreeBSD release.