window/cmd1.c

   1 /*      $NetBSD: cmd1.c,v 1.5 1997/11/21 08:35:46 lukem Exp $   */
   2
   3 /*
   4  * Copyright (c) 1983, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * Edward Wang at The University of California, Berkeley.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the University of
  21  *      California, Berkeley and its contributors.
  22  * 4. Neither the name of the University nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  */
  38
  39 #include <sys/cdefs.h>
  40 #ifndef lint
  41 #if 0
  42 static char sccsid[] = "@(#)cmd1.c      8.1 (Berkeley) 6/6/93";
  43 #else
  44 __RCSID("$NetBSD: cmd1.c,v 1.5 1997/11/21 08:35:46 lukem Exp $");
  45 #endif
  46 #endif /* not lint */
  47
  48 #include "defs.h"
  49 #include "char.h"
  50
  51 void
  52 c_window()
  53 {
  54         int col, row, xcol, xrow;
  55         int id;
  56
  57         if ((id = findid()) < 0)
  58                 return;
  59         if (!terse)
  60                 wwputs("New window (upper left corner): ", cmdwin);
  61         col = 0;
  62         row = 1;
  63         wwadd(boxwin, framewin->ww_back);
  64         for (;;) {
  65                 wwbox(boxwin, row - 1, col - 1, 3, 3);
  66                 wwsetcursor(row, col);
  67                 while (wwpeekc() < 0)
  68                         wwiomux();
  69                 switch (getpos(&row, &col, row > 1, 0,
  70                         wwnrow - 1, wwncol - 1)) {
  71                 case 3:
  72                         wwunbox(boxwin);
  73                         wwdelete(boxwin);
  74                         return;
  75                 case 2:
  76                         wwunbox(boxwin);
  77                         break;
  78                 case 1:
  79                         wwunbox(boxwin);
  80                 case 0:
  81                         continue;
  82                 }
  83                 break;
  84         }
  85         if (!terse)
  86                 wwputs("\nNew window (lower right corner): ", cmdwin);
  87         xcol = col;
  88         xrow = row;
  89         for (;;) {
  90                 wwbox(boxwin, row - 1, col - 1,
  91                         xrow - row + 3, xcol - col + 3);
  92                 wwsetcursor(xrow, xcol);
  93                 while (wwpeekc() < 0)
  94                         wwiomux();
  95                 switch (getpos(&xrow, &xcol, row, col, wwnrow - 1, wwncol - 1))
  96                 {
  97                 case 3:
  98                         wwunbox(boxwin);
  99                         wwdelete(boxwin);
 100                         return;
 101                 case 2:
 102                         wwunbox(boxwin);
 103                         break;
 104                 case 1:
 105                         wwunbox(boxwin);
 106                 case 0:
 107                         continue;
 108                 }
 109                 break;
 110         }
 111         wwdelete(boxwin);
 112         if (!terse)
 113                 wwputc('\n', cmdwin);
 114         wwcurtowin(cmdwin);
 115         (void) openwin(id, row, col, xrow-row+1, xcol-col+1, default_nline,
 116             (char *) 0, WWT_PTY, WWU_HASFRAME, default_shellfile,
 117             default_shell);
 118 }
 119
 120 int
 121 getpos(row, col, minrow, mincol, maxrow, maxcol)
 122         int *row, *col;
 123         int minrow, mincol;
 124         int maxrow, maxcol;
 125 {
 126         static int scount;
 127         int count;
 128         int c;
 129         int oldrow = *row, oldcol = *col;
 130
 131         while ((c = wwgetc()) >= 0) {
 132                 switch (c) {
 133                 case '0': case '1': case '2': case '3': case '4':
 134                 case '5': case '6': case '7': case '8': case '9':
 135                         scount = scount * 10 + c - '0';
 136                         continue;
 137                 }
 138                 count = scount ? scount : 1;
 139                 scount = 0;
 140                 switch (c) {
 141                 case 'h':
 142                         if ((*col -= count) < mincol)
 143                                 *col = mincol;
 144                         break;
 145                 case 'H':
 146                         *col = mincol;
 147                         break;
 148                 case 'l':
 149                         if ((*col += count) > maxcol)
 150                                 *col = maxcol;
 151                         break;
 152                 case 'L':
 153                         *col = maxcol;
 154                         break;
 155                 case 'j':
 156                         if ((*row += count) > maxrow)
 157                                 *row = maxrow;
 158                         break;
 159                 case 'J':
 160                         *row = maxrow;
 161                         break;
 162                 case 'k':
 163                         if ((*row -= count) < minrow)
 164                                 *row = minrow;
 165                         break;
 166                 case 'K':
 167                         *row = minrow;
 168                         break;
 169                 case ctrl('['):
 170                         if (!terse)
 171                                 wwputs("\nCancelled.  ", cmdwin);
 172                         return 3;
 173                 case '\r':
 174                         return 2;
 175                 default:
 176                         if (!terse)
 177                                 wwputs("\nType [hjklHJKL] to move, return to enter position, escape to cancel.", cmdwin);
 178                         wwbell();
 179                 }
 180         }
 181         return oldrow != *row || oldcol != *col;
 182 }