usr.bin/window/cmd1.c

   1 /*      $NetBSD: cmd1.c,v 1.7 2003/08/07 11:17:22 agc 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. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 #include <sys/cdefs.h>
  36 #ifndef lint
  37 #if 0
  38 static char sccsid[] = "@(#)cmd1.c      8.1 (Berkeley) 6/6/93";
  39 #else
  40 __RCSID("$NetBSD: cmd1.c,v 1.7 2003/08/07 11:17:22 agc Exp $");
  41 #endif
  42 #endif /* not lint */
  43
  44 #include "defs.h"
  45 #include "char.h"
  46
  47 void
  48 c_window(void)
  49 {
  50         int col, row, xcol, xrow;
  51         int id;
  52
  53         if ((id = findid()) < 0)
  54                 return;
  55         if (!terse)
  56                 wwputs("New window (upper left corner): ", cmdwin);
  57         col = 0;
  58         row = 1;
  59         wwadd(boxwin, framewin->ww_back);
  60         for (;;) {
  61                 wwbox(boxwin, row - 1, col - 1, 3, 3);
  62                 wwsetcursor(row, col);
  63                 while (wwpeekc() < 0)
  64                         wwiomux();
  65                 switch (getpos(&row, &col, row > 1, 0,
  66                         wwnrow - 1, wwncol - 1)) {
  67                 case 3:
  68                         wwunbox(boxwin);
  69                         wwdelete(boxwin);
  70                         return;
  71                 case 2:
  72                         wwunbox(boxwin);
  73                         break;
  74                 case 1:
  75                         wwunbox(boxwin);
  76                 case 0:
  77                         continue;
  78                 }
  79                 break;
  80         }
  81         if (!terse)
  82                 wwputs("\nNew window (lower right corner): ", cmdwin);
  83         xcol = col;
  84         xrow = row;
  85         for (;;) {
  86                 wwbox(boxwin, row - 1, col - 1,
  87                         xrow - row + 3, xcol - col + 3);
  88                 wwsetcursor(xrow, xcol);
  89                 while (wwpeekc() < 0)
  90                         wwiomux();
  91                 switch (getpos(&xrow, &xcol, row, col, wwnrow - 1, wwncol - 1))
  92                 {
  93                 case 3:
  94                         wwunbox(boxwin);
  95                         wwdelete(boxwin);
  96                         return;
  97                 case 2:
  98                         wwunbox(boxwin);
  99                         break;
 100                 case 1:
 101                         wwunbox(boxwin);
 102                 case 0:
 103                         continue;
 104                 }
 105                 break;
 106         }
 107         wwdelete(boxwin);
 108         if (!terse)
 109                 wwputc('\n', cmdwin);
 110         wwcurtowin(cmdwin);
 111         (void) openwin(id, row, col, xrow-row+1, xcol-col+1, default_nline,
 112             (char *) 0, WWT_PTY, WWU_HASFRAME, default_shellfile,
 113             default_shell);
 114 }
 115
 116 int
 117 getpos(int *row, int *col, int minrow, int mincol, int maxrow, int maxcol)
 118 {
 119         static int scount;
 120         int count;
 121         int c;
 122         int oldrow = *row, oldcol = *col;
 123
 124         while ((c = wwgetc()) >= 0) {
 125                 switch (c) {
 126                 case '0': case '1': case '2': case '3': case '4':
 127                 case '5': case '6': case '7': case '8': case '9':
 128                         scount = scount * 10 + c - '0';
 129                         continue;
 130                 }
 131                 count = scount ? scount : 1;
 132                 scount = 0;
 133                 switch (c) {
 134                 case 'h':
 135                         if ((*col -= count) < mincol)
 136                                 *col = mincol;
 137                         break;
 138                 case 'H':
 139                         *col = mincol;
 140                         break;
 141                 case 'l':
 142                         if ((*col += count) > maxcol)
 143                                 *col = maxcol;
 144                         break;
 145                 case 'L':
 146                         *col = maxcol;
 147                         break;
 148                 case 'j':
 149                         if ((*row += count) > maxrow)
 150                                 *row = maxrow;
 151                         break;
 152                 case 'J':
 153                         *row = maxrow;
 154                         break;
 155                 case 'k':
 156                         if ((*row -= count) < minrow)
 157                                 *row = minrow;
 158                         break;
 159                 case 'K':
 160                         *row = minrow;
 161                         break;
 162                 case ctrl('['):
 163                         if (!terse)
 164                                 wwputs("\nCancelled.  ", cmdwin);
 165                         return 3;
 166                 case '\r':
 167                         return 2;
 168                 default:
 169                         if (!terse)
 170                                 wwputs("\nType [hjklHJKL] to move, return to enter position, escape to cancel.", cmdwin);
 171                         wwbell();
 172                 }
 173         }
 174         return oldrow != *row || oldcol != *col;
 175 }