xref: /dragonfly/usr.bin/window/cmd.c (revision 49781055)
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 1.3 2005/04/15 17:55:29 drhodus Exp $
39  */
40 
41 #include "defs.h"
42 #include "char.h"
43 
44 docmd()
45 {
46 	register c;
47 	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 	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 }
301