usr.bin/window/cmd1.c

   1 /*
   2  * Copyright (c) 1983, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * This code is derived from software contributed to Berkeley by
   6  * Edward Wang at The University of California, Berkeley.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by the University of
  19  *      California, Berkeley and its contributors.
  20  * 4. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  *
  36  * @(#)cmd1.c     8.1 (Berkeley) 6/6/93
  37  * $FreeBSD: src/usr.bin/window/cmd1.c,v 1.2.14.1 2001/05/17 09:45:00 obrien Exp $
  38  * $DragonFly: src/usr.bin/window/cmd1.c,v 1.3 2005/04/15 17:55:29 drhodus Exp $
  39  */
  40
  41 #include "defs.h"
  42 #include "char.h"
  43
  44 c_window()
  45 {
  46         int col, row, xcol, xrow;
  47         int id;
  48
  49         if ((id = findid()) < 0)
  50                 return;
  51         if (!terse)
  52                 wwputs("New window (upper left corner): ", cmdwin);
  53         col = 0;
  54         row = 1;
  55         wwadd(boxwin, framewin->ww_back);
  56         for (;;) {
  57                 wwbox(boxwin, row - 1, col - 1, 3, 3);
  58                 wwsetcursor(row, col);
  59                 while (wwpeekc() < 0)
  60                         wwiomux();
  61                 switch (getpos(&row, &col, row > 1, 0,
  62                         wwnrow - 1, wwncol - 1)) {
  63                 case 3:
  64                         wwunbox(boxwin);
  65                         wwdelete(boxwin);
  66                         return;
  67                 case 2:
  68                         wwunbox(boxwin);
  69                         break;
  70                 case 1:
  71                         wwunbox(boxwin);
  72                 case 0:
  73                         continue;
  74                 }
  75                 break;
  76         }
  77         if (!terse)
  78                 wwputs("\nNew window (lower right corner): ", cmdwin);
  79         xcol = col;
  80         xrow = row;
  81         for (;;) {
  82                 wwbox(boxwin, row - 1, col - 1,
  83                         xrow - row + 3, xcol - col + 3);
  84                 wwsetcursor(xrow, xcol);
  85                 while (wwpeekc() < 0)
  86                         wwiomux();
  87                 switch (getpos(&xrow, &xcol, row, col, wwnrow - 1, wwncol - 1))
  88                 {
  89                 case 3:
  90                         wwunbox(boxwin);
  91                         wwdelete(boxwin);
  92                         return;
  93                 case 2:
  94                         wwunbox(boxwin);
  95                         break;
  96                 case 1:
  97                         wwunbox(boxwin);
  98                 case 0:
  99                         continue;
 100                 }
 101                 break;
 102         }
 103         wwdelete(boxwin);
 104         if (!terse)
 105                 wwputc('\n', cmdwin);
 106         wwcurtowin(cmdwin);
 107         (void) openwin(id, row, col, xrow-row+1, xcol-col+1, default_nline,
 108                 (char *) 0, 1, 1, default_shellfile, default_shell);
 109 }
 110
 111 getpos(row, col, minrow, mincol, maxrow, maxcol)
 112 int *row, *col;
 113 int minrow, mincol;
 114 int maxrow, maxcol;
 115 {
 116         static int scount;
 117         int count;
 118         int c;
 119         int oldrow = *row, oldcol = *col;
 120
 121         while ((c = wwgetc()) >= 0) {
 122                 switch (c) {
 123                 case '0': case '1': case '2': case '3': case '4':
 124                 case '5': case '6': case '7': case '8': case '9':
 125                         scount = scount * 10 + c - '0';
 126                         continue;
 127                 }
 128                 count = scount ? scount : 1;
 129                 scount = 0;
 130                 switch (c) {
 131                 case 'h':
 132                         if ((*col -= count) < mincol)
 133                                 *col = mincol;
 134                         break;
 135                 case 'H':
 136                         *col = mincol;
 137                         break;
 138                 case 'l':
 139                         if ((*col += count) > maxcol)
 140                                 *col = maxcol;
 141                         break;
 142                 case 'L':
 143                         *col = maxcol;
 144                         break;
 145                 case 'j':
 146                         if ((*row += count) > maxrow)
 147                                 *row = maxrow;
 148                         break;
 149                 case 'J':
 150                         *row = maxrow;
 151                         break;
 152                 case 'k':
 153                         if ((*row -= count) < minrow)
 154                                 *row = minrow;
 155                         break;
 156                 case 'K':
 157                         *row = minrow;
 158                         break;
 159                 case ctrl('['):
 160                         if (!terse)
 161                                 wwputs("\nCancelled.  ", cmdwin);
 162                         return 3;
 163                 case '\r':
 164                         return 2;
 165                 default:
 166                         if (!terse)
 167                                 wwputs("\nType [hjklHJKL] to move, return to enter position, escape to cancel.", cmdwin);
 168                         wwbell();
 169                 }
 170         }
 171         return oldrow != *row || oldcol != *col;
 172 }