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- /*
- * 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[] = "@(#)cmd1.c 3.36 (Berkeley) 6/6/90";
- #endif /* not lint */
-
- #include "defs.h"
- #include "char.h"
-
- c_window()
- {
- int col, row, xcol, xrow;
- int id;
-
- if ((id = findid()) < 0)
- return;
- if (!terse)
- wwputs("New window (upper left corner): ", cmdwin);
- col = 0;
- row = 1;
- wwadd(boxwin, framewin->ww_back);
- for (;;) {
- wwbox(boxwin, row - 1, col - 1, 3, 3);
- wwsetcursor(row, col);
- while (wwpeekc() < 0)
- wwiomux();
- switch (getpos(&row, &col, row > 1, 0,
- wwnrow - 1, wwncol - 1)) {
- case 3:
- wwunbox(boxwin);
- wwdelete(boxwin);
- return;
- case 2:
- wwunbox(boxwin);
- break;
- case 1:
- wwunbox(boxwin);
- case 0:
- continue;
- }
- break;
- }
- if (!terse)
- wwputs("\nNew window (lower right corner): ", cmdwin);
- xcol = col;
- xrow = row;
- for (;;) {
- wwbox(boxwin, row - 1, col - 1,
- xrow - row + 3, xcol - col + 3);
- wwsetcursor(xrow, xcol);
- while (wwpeekc() < 0)
- wwiomux();
- switch (getpos(&xrow, &xcol, row, col, wwnrow - 1, wwncol - 1))
- {
- case 3:
- wwunbox(boxwin);
- wwdelete(boxwin);
- return;
- case 2:
- wwunbox(boxwin);
- break;
- case 1:
- wwunbox(boxwin);
- case 0:
- continue;
- }
- break;
- }
- wwdelete(boxwin);
- if (!terse)
- wwputc('\n', cmdwin);
- wwcurtowin(cmdwin);
- (void) openwin(id, row, col, xrow-row+1, xcol-col+1, default_nline,
- (char *) 0, 1, 1, default_shellfile, default_shell);
- }
-
- getpos(row, col, minrow, mincol, maxrow, maxcol)
- register int *row, *col;
- int minrow, mincol;
- int maxrow, maxcol;
- {
- static int scount;
- int count;
- char c;
- int oldrow = *row, oldcol = *col;
-
- while ((c = wwgetc()) >= 0) {
- switch (c) {
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- scount = scount * 10 + c - '0';
- continue;
- }
- count = scount ? scount : 1;
- scount = 0;
- switch (c) {
- case 'h':
- if ((*col -= count) < mincol)
- *col = mincol;
- break;
- case 'H':
- *col = mincol;
- break;
- case 'l':
- if ((*col += count) > maxcol)
- *col = maxcol;
- break;
- case 'L':
- *col = maxcol;
- break;
- case 'j':
- if ((*row += count) > maxrow)
- *row = maxrow;
- break;
- case 'J':
- *row = maxrow;
- break;
- case 'k':
- if ((*row -= count) < minrow)
- *row = minrow;
- break;
- case 'K':
- *row = minrow;
- break;
- case ctrl('['):
- if (!terse)
- wwputs("\nCancelled. ", cmdwin);
- return 3;
- case '\r':
- return 2;
- default:
- if (!terse)
- wwputs("\nType [hjklHJKL] to move, return to enter position, escape to cancel.", cmdwin);
- wwbell();
- }
- }
- return oldrow != *row || oldcol != *col;
- }
-