301 lines
6.2 KiB
C
301 lines
6.2 KiB
C
/*
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* Copyright (c) 1983, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Edward Wang at The University of California, Berkeley.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)cmd.c 8.1 (Berkeley) 6/6/93";
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#endif /* not lint */
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#include "defs.h"
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#include "char.h"
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docmd()
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{
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register c;
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register struct ww *w;
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char out = 0;
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while (!out && !quit) {
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if ((c = wwgetc()) < 0) {
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if (terse)
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wwsetcursor(0, 0);
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else {
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wwputs("Command: ", cmdwin);
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wwcurtowin(cmdwin);
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}
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do
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wwiomux();
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while ((c = wwgetc()) < 0);
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}
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if (!terse)
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wwputc('\n', cmdwin);
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switch (c) {
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default:
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if (c != escapec)
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break;
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case 'h': case 'j': case 'k': case 'l':
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case 'y': case 'p':
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case ctrl('y'):
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case ctrl('e'):
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case ctrl('u'):
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case ctrl('d'):
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case ctrl('b'):
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case ctrl('f'):
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case ctrl('s'):
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case ctrl('q'):
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case ctrl('['):
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if (selwin == 0) {
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error("No window.");
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continue;
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}
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}
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switch (c) {
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case '1': case '2': case '3': case '4': case '5':
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case '6': case '7': case '8': case '9':
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if ((w = window[c - '1']) == 0) {
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error("%c: No such window.", c);
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break;
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}
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setselwin(w);
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if (checkproc(selwin) >= 0)
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out = 1;
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break;
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case '%':
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if ((w = getwin()) != 0)
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setselwin(w);
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break;
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case ctrl('^'):
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if (lastselwin != 0) {
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setselwin(lastselwin);
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if (checkproc(selwin) >= 0)
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out = 1;
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} else
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error("No previous window.");
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break;
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case 'c':
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if ((w = getwin()) != 0)
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closewin(w);
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break;
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case 'w':
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c_window();
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break;
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case 'm':
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if ((w = getwin()) != 0)
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c_move(w);
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break;
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case 'M':
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if ((w = getwin()) != 0)
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movewin(w, w->ww_alt.t, w->ww_alt.l);
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break;
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case 's':
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if ((w = getwin()) != 0)
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c_size(w);
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break;
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case 'S':
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if ((w = getwin()) != 0)
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sizewin(w, w->ww_alt.nr, w->ww_alt.nc);
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break;
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case 'y':
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c_yank();
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break;
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case 'p':
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c_put();
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break;
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case ':':
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c_colon();
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break;
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case 'h':
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(void) wwwrite(selwin, "\b", 1);
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break;
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case 'j':
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(void) wwwrite(selwin, "\n", 1);
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break;
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case 'k':
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(void) wwwrite(selwin, "\033A", 2);
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break;
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case 'l':
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(void) wwwrite(selwin, "\033C", 2);
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break;
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case ctrl('e'):
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wwscroll(selwin, 1);
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break;
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case ctrl('y'):
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wwscroll(selwin, -1);
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break;
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case ctrl('d'):
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wwscroll(selwin, selwin->ww_w.nr / 2);
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break;
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case ctrl('u'):
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wwscroll(selwin, - selwin->ww_w.nr / 2);
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break;
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case ctrl('f'):
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wwscroll(selwin, selwin->ww_w.nr);
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break;
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case ctrl('b'):
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wwscroll(selwin, - selwin->ww_w.nr);
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break;
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case ctrl('s'):
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stopwin(selwin);
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break;
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case ctrl('q'):
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startwin(selwin);
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break;
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case ctrl('l'):
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wwredraw();
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break;
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case '?':
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c_help();
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break;
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case ctrl('['):
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if (checkproc(selwin) >= 0)
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out = 1;
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break;
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case ctrl('z'):
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wwsuspend();
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break;
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case 'q':
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c_quit();
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break;
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/* debugging stuff */
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case '&':
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if (debug) {
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c_debug();
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break;
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}
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default:
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if (c == escapec) {
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if (checkproc(selwin) >= 0) {
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(void) write(selwin->ww_pty,
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&escapec, 1);
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out = 1;
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}
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} else {
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if (!terse)
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wwbell();
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error("Type ? for help.");
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}
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}
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}
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if (!quit)
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setcmd(0);
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}
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struct ww *
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getwin()
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{
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register int c;
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struct ww *w = 0;
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if (!terse)
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wwputs("Which window? ", cmdwin);
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wwcurtowin(cmdwin);
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while ((c = wwgetc()) < 0)
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wwiomux();
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if (debug && c == 'c')
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w = cmdwin;
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else if (debug && c == 'f')
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w = framewin;
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else if (debug && c == 'b')
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w = boxwin;
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else if (c >= '1' && c < NWINDOW + '1')
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w = window[c - '1'];
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else if (c == '+')
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w = selwin;
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else if (c == '-')
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w = lastselwin;
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if (w == 0)
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wwbell();
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if (!terse)
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wwputc('\n', cmdwin);
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return w;
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}
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checkproc(w)
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struct ww *w;
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{
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if (w->ww_state != WWS_HASPROC) {
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error("No process in window.");
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return -1;
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}
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return 0;
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}
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setcmd(new)
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char new;
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{
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if (new && !incmd) {
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if (!terse)
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wwadd(cmdwin, &wwhead);
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if (selwin != 0)
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wwcursor(selwin, 1);
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wwcurwin = 0;
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} else if (!new && incmd) {
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if (!terse) {
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wwdelete(cmdwin);
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reframe();
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}
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if (selwin != 0)
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wwcursor(selwin, 0);
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wwcurwin = selwin;
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}
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incmd = new;
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}
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setterse(new)
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char new;
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{
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if (incmd)
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if (new && !terse) {
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wwdelete(cmdwin);
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reframe();
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} else if (!new && terse)
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wwadd(cmdwin, &wwhead);
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terse = new;
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}
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/*
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* Set the current window.
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*/
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setselwin(w)
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struct ww *w;
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{
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if (selwin == w)
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return;
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if (selwin != 0)
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lastselwin = selwin;
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if ((selwin = w) != 0)
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front(selwin, 1);
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}
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