1 /* @(#)cmd.c 8.1 (Berkeley) 6/6/93 */ 2 /* $NetBSD: cmd.c,v 1.8 2003/08/07 11:17:21 agc Exp $ */ 3 4 /* 5 * Copyright (c) 1983, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Edward Wang at The University of California, Berkeley. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <unistd.h> 37 #include "defs.h" 38 #include "char.h" 39 40 int checkproc(struct ww *); 41 42 void 43 docmd(void) 44 { 45 int c; 46 struct ww *w; 47 char out = 0; 48 49 while (!out && !quit) { 50 if ((c = wwgetc()) < 0) { 51 if (terse) 52 wwsetcursor(0, 0); 53 else { 54 wwputs("Command: ", cmdwin); 55 wwcurtowin(cmdwin); 56 } 57 do 58 wwiomux(); 59 while ((c = wwgetc()) < 0); 60 } 61 if (!terse) 62 wwputc('\n', cmdwin); 63 switch (c) { 64 default: 65 if (c != escapec) 66 break; 67 case 'h': case 'j': case 'k': case 'l': 68 case 'y': case 'p': 69 case ctrl('y'): 70 case ctrl('e'): 71 case ctrl('u'): 72 case ctrl('d'): 73 case ctrl('b'): 74 case ctrl('f'): 75 case ctrl('s'): 76 case ctrl('q'): 77 case ctrl('['): 78 if (selwin == 0) { 79 error("No window."); 80 continue; 81 } 82 } 83 switch (c) { 84 case '1': case '2': case '3': case '4': case '5': 85 case '6': case '7': case '8': case '9': 86 if ((w = window[c - '1']) == NULL) { 87 error("%c: No such window.", c); 88 break; 89 } 90 setselwin(w); 91 if (checkproc(selwin) >= 0) 92 out = 1; 93 break; 94 case '%': 95 if ((w = getwin()) != NULL) 96 setselwin(w); 97 break; 98 case ctrl('^'): 99 if (lastselwin != 0) { 100 setselwin(lastselwin); 101 if (checkproc(selwin) >= 0) 102 out = 1; 103 } else 104 error("No previous window."); 105 break; 106 case 'c': 107 if ((w = getwin()) != NULL) 108 closewin(w); 109 break; 110 case 'w': 111 c_window(); 112 break; 113 case 'm': 114 if ((w = getwin()) != NULL) 115 c_move(w); 116 break; 117 case 'M': 118 if ((w = getwin()) != NULL) 119 movewin(w, w->ww_alt.t, w->ww_alt.l); 120 break; 121 case 's': 122 if ((w = getwin()) != NULL) 123 c_size(w); 124 break; 125 case 'S': 126 if ((w = getwin()) != NULL) 127 sizewin(w, w->ww_alt.nr, w->ww_alt.nc); 128 break; 129 case 'y': 130 c_yank(); 131 break; 132 case 'p': 133 c_put(); 134 break; 135 case ':': 136 c_colon(); 137 break; 138 case 'h': 139 (void) wwwrite(selwin, "\b", 1); 140 break; 141 case 'j': 142 (void) wwwrite(selwin, "\n", 1); 143 break; 144 case 'k': 145 (void) wwwrite(selwin, "\033A", 2); 146 break; 147 case 'l': 148 (void) wwwrite(selwin, "\033C", 2); 149 break; 150 case ctrl('e'): 151 wwscroll(selwin, 1); 152 break; 153 case ctrl('y'): 154 wwscroll(selwin, -1); 155 break; 156 case ctrl('d'): 157 wwscroll(selwin, selwin->ww_w.nr / 2); 158 break; 159 case ctrl('u'): 160 wwscroll(selwin, - selwin->ww_w.nr / 2); 161 break; 162 case ctrl('f'): 163 wwscroll(selwin, selwin->ww_w.nr); 164 break; 165 case ctrl('b'): 166 wwscroll(selwin, - selwin->ww_w.nr); 167 break; 168 case ctrl('s'): 169 stopwin(selwin); 170 break; 171 case ctrl('q'): 172 startwin(selwin); 173 break; 174 case ctrl('l'): 175 wwredraw(); 176 break; 177 case '?': 178 c_help(); 179 break; 180 case ctrl('['): 181 if (checkproc(selwin) >= 0) 182 out = 1; 183 break; 184 case ctrl('z'): 185 wwsuspend(); 186 break; 187 case 'q': 188 c_quit(); 189 break; 190 /* debugging stuff */ 191 case '&': 192 if (debug) { 193 c_debug(); 194 break; 195 } 196 default: 197 if (c == escapec) { 198 if (checkproc(selwin) >= 0) { 199 (void) write(selwin->ww_pty, 200 &escapec, 1); 201 out = 1; 202 } 203 } else { 204 if (!terse) 205 wwbell(); 206 error("Type ? for help."); 207 } 208 } 209 } 210 if (!quit) 211 setcmd(0); 212 } 213 214 struct ww * 215 getwin(void) 216 { 217 int c; 218 struct ww *w = NULL; 219 220 if (!terse) 221 wwputs("Which window? ", cmdwin); 222 wwcurtowin(cmdwin); 223 while ((c = wwgetc()) < 0) 224 wwiomux(); 225 if (debug && c == 'c') 226 w = cmdwin; 227 else if (debug && c == 'f') 228 w = framewin; 229 else if (debug && c == 'b') 230 w = boxwin; 231 else if (c >= '1' && c < NWINDOW + '1') 232 w = window[c - '1']; 233 else if (c == '+') 234 w = selwin; 235 else if (c == '-') 236 w = lastselwin; 237 if (w == NULL) 238 wwbell(); 239 if (!terse) 240 wwputc('\n', cmdwin); 241 return w; 242 } 243 244 int 245 checkproc(struct ww *w) 246 { 247 if (w->ww_state != WWS_HASPROC) { 248 error("No process in window."); 249 return -1; 250 } 251 return 0; 252 } 253 254 void 255 setcmd(char new) 256 { 257 if (new && !incmd) { 258 if (!terse) 259 wwadd(cmdwin, &wwhead); 260 if (selwin != 0) 261 wwcursor(selwin, 1); 262 wwcurwin = 0; 263 } else if (!new && incmd) { 264 if (!terse) { 265 wwdelete(cmdwin); 266 reframe(); 267 } 268 if (selwin != 0) 269 wwcursor(selwin, 0); 270 wwcurwin = selwin; 271 } 272 incmd = new; 273 } 274 275 void 276 setterse(char new) 277 { 278 if (incmd) { 279 if (new && !terse) { 280 wwdelete(cmdwin); 281 reframe(); 282 } else if (!new && terse) 283 wwadd(cmdwin, &wwhead); 284 } 285 terse = new; 286 } 287 288 /* 289 * Set the current window. 290 */ 291 void 292 setselwin(struct ww *w) 293 { 294 if (selwin == w) 295 return; 296 if (selwin != 0) 297 lastselwin = selwin; 298 if ((selwin = w) != NULL) 299 front(selwin, 1); 300 } 301