usr.bin/window/cmd.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  * @(#)cmd.c    8.1 (Berkeley) 6/6/93
  37  * $FreeBSD: src/usr.bin/window/cmd.c,v 1.2.14.1 2001/05/17 09:45:00 obrien Exp $
  38  * $DragonFly: src/usr.bin/window/cmd.c,v 1.2 2003/06/17 04:29:33 dillon Exp $
  39  */
  40
  41 #include "defs.h"
  42 #include "char.h"
  43
  44 docmd()
  45 {
  46         register c;
  47         register struct ww *w;
  48         char out = 0;
  49
  50         while (!out && !quit) {
  51                 if ((c = wwgetc()) < 0) {
  52                         if (terse)
  53                                 wwsetcursor(0, 0);
  54                         else {
  55                                 wwputs("Command: ", cmdwin);
  56                                 wwcurtowin(cmdwin);
  57                         }
  58                         do
  59                                 wwiomux();
  60                         while ((c = wwgetc()) < 0);
  61                 }
  62                 if (!terse)
  63                         wwputc('\n', cmdwin);
  64                 switch (c) {
  65                 default:
  66                         if (c != escapec)
  67                                 break;
  68                 case 'h': case 'j': case 'k': case 'l':
  69                 case 'y': case 'p':
  70                 case ctrl('y'):
  71                 case ctrl('e'):
  72                 case ctrl('u'):
  73                 case ctrl('d'):
  74                 case ctrl('b'):
  75                 case ctrl('f'):
  76                 case ctrl('s'):
  77                 case ctrl('q'):
  78                 case ctrl('['):
  79                         if (selwin == 0) {
  80                                 error("No window.");
  81                                 continue;
  82                         }
  83                 }
  84                 switch (c) {
  85                 case '1': case '2': case '3': case '4': case '5':
  86                 case '6': case '7': case '8': case '9':
  87                         if ((w = window[c - '1']) == 0) {
  88                                 error("%c: No such window.", c);
  89                                 break;
  90                         }
  91                         setselwin(w);
  92                         if (checkproc(selwin) >= 0)
  93                                  out = 1;
  94                         break;
  95                 case '%':
  96                         if ((w = getwin()) != 0)
  97                                 setselwin(w);
  98                         break;
  99                 case ctrl('^'):
 100                         if (lastselwin != 0) {
 101                                 setselwin(lastselwin);
 102                                 if (checkproc(selwin) >= 0)
 103                                         out = 1;
 104                         } else
 105                                 error("No previous window.");
 106                         break;
 107                 case 'c':
 108                         if ((w = getwin()) != 0)
 109                                 closewin(w);
 110                         break;
 111                 case 'w':
 112                         c_window();
 113                         break;
 114                 case 'm':
 115                         if ((w = getwin()) != 0)
 116                                 c_move(w);
 117                         break;
 118                 case 'M':
 119                         if ((w = getwin()) != 0)
 120                                 movewin(w, w->ww_alt.t, w->ww_alt.l);
 121                         break;
 122                 case 's':
 123                         if ((w = getwin()) != 0)
 124                                 c_size(w);
 125                         break;
 126                 case 'S':
 127                         if ((w = getwin()) != 0)
 128                                 sizewin(w, w->ww_alt.nr, w->ww_alt.nc);
 129                         break;
 130                 case 'y':
 131                         c_yank();
 132                         break;
 133                 case 'p':
 134                         c_put();
 135                         break;
 136                 case ':':
 137                         c_colon();
 138                         break;
 139                 case 'h':
 140                         (void) wwwrite(selwin, "\b", 1);
 141                         break;
 142                 case 'j':
 143                         (void) wwwrite(selwin, "\n", 1);
 144                         break;
 145                 case 'k':
 146                         (void) wwwrite(selwin, "\033A", 2);
 147                         break;
 148                 case 'l':
 149                         (void) wwwrite(selwin, "\033C", 2);
 150                         break;
 151                 case ctrl('e'):
 152                         wwscroll(selwin, 1);
 153                         break;
 154                 case ctrl('y'):
 155                         wwscroll(selwin, -1);
 156                         break;
 157                 case ctrl('d'):
 158                         wwscroll(selwin, selwin->ww_w.nr / 2);
 159                         break;
 160                 case ctrl('u'):
 161                         wwscroll(selwin, - selwin->ww_w.nr / 2);
 162                         break;
 163                 case ctrl('f'):
 164                         wwscroll(selwin, selwin->ww_w.nr);
 165                         break;
 166                 case ctrl('b'):
 167                         wwscroll(selwin, - selwin->ww_w.nr);
 168                         break;
 169                 case ctrl('s'):
 170                         stopwin(selwin);
 171                         break;
 172                 case ctrl('q'):
 173                         startwin(selwin);
 174                         break;
 175                 case ctrl('l'):
 176                         wwredraw();
 177                         break;
 178                 case '?':
 179                         c_help();
 180                         break;
 181                 case ctrl('['):
 182                         if (checkproc(selwin) >= 0)
 183                                 out = 1;
 184                         break;
 185                 case ctrl('z'):
 186                         wwsuspend();
 187                         break;
 188                 case 'q':
 189                         c_quit();
 190                         break;
 191                 /* debugging stuff */
 192                 case '&':
 193                         if (debug) {
 194                                 c_debug();
 195                                 break;
 196                         }
 197                 default:
 198                         if (c == escapec) {
 199                                 if (checkproc(selwin) >= 0) {
 200                                         (void) write(selwin->ww_pty,
 201                                                 &escapec, 1);
 202                                         out = 1;
 203                                 }
 204                         } else {
 205                                 if (!terse)
 206                                         wwbell();
 207                                 error("Type ? for help.");
 208                         }
 209                 }
 210         }
 211         if (!quit)
 212                 setcmd(0);
 213 }
 214
 215 struct ww *
 216 getwin()
 217 {
 218         register int c;
 219         struct ww *w = 0;
 220
 221         if (!terse)
 222                 wwputs("Which window? ", cmdwin);
 223         wwcurtowin(cmdwin);
 224         while ((c = wwgetc()) < 0)
 225                 wwiomux();
 226         if (debug && c == 'c')
 227                 w = cmdwin;
 228         else if (debug && c == 'f')
 229                 w = framewin;
 230         else if (debug && c == 'b')
 231                 w = boxwin;
 232         else if (c >= '1' && c < NWINDOW + '1')
 233                 w = window[c - '1'];
 234         else if (c == '+')
 235                 w = selwin;
 236         else if (c == '-')
 237                 w = lastselwin;
 238         if (w == 0)
 239                 wwbell();
 240         if (!terse)
 241                 wwputc('\n', cmdwin);
 242         return w;
 243 }
 244
 245 checkproc(w)
 246 struct ww *w;
 247 {
 248         if (w->ww_state != WWS_HASPROC) {
 249                 error("No process in window.");
 250                 return -1;
 251         }
 252         return 0;
 253 }
 254
 255 setcmd(new)
 256 char new;
 257 {
 258         if (new && !incmd) {
 259                 if (!terse)
 260                         wwadd(cmdwin, &wwhead);
 261                 if (selwin != 0)
 262                         wwcursor(selwin, 1);
 263                 wwcurwin = 0;
 264         } else if (!new && incmd) {
 265                 if (!terse) {
 266                         wwdelete(cmdwin);
 267                         reframe();
 268                 }
 269                 if (selwin != 0)
 270                         wwcursor(selwin, 0);
 271                 wwcurwin = selwin;
 272         }
 273         incmd = new;
 274 }
 275
 276 setterse(new)
 277 char new;
 278 {
 279         if (incmd)
 280                 if (new && !terse) {
 281                         wwdelete(cmdwin);
 282                         reframe();
 283                 } else if (!new && terse)
 284                         wwadd(cmdwin, &wwhead);
 285         terse = new;
 286 }
 287
 288 /*
 289  * Set the current window.
 290  */
 291 setselwin(w)
 292 struct ww *w;
 293 {
 294         if (selwin == w)
 295                 return;
 296         if (selwin != 0)
 297                 lastselwin = selwin;
 298         if ((selwin = w) != 0)
 299                 front(selwin, 1);
 300 }