xref: /dragonfly/usr.bin/window/lcmd1.c (revision 19fe1c42)
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  * @(#)lcmd1.c	8.1 (Berkeley) 6/6/93
37  * $FreeBSD: src/usr.bin/window/lcmd1.c,v 1.2.6.2 2001/05/17 09:45:00 obrien Exp $
38  * $DragonFly: src/usr.bin/window/lcmd1.c,v 1.4 2005/04/15 17:55:29 drhodus Exp $
39  */
40 
41 #include <stdio.h>
42 #include <string.h> /* System string definitions. */
43 
44 #include "defs.h"
45 #include "mystring.h" /* Local string definitions. */
46 #include "value.h"
47 #include "lcmd.h"
48 #include "var.h"
49 
50 struct lcmd_arg arg_window[] = {
51 	{ "row",	1,	ARG_NUM },
52 	{ "column",	1,	ARG_NUM },
53 	{ "nrows",	2,	ARG_NUM },
54 	{ "ncols",	2,	ARG_NUM },
55 	{ "nlines",	2,	ARG_NUM },
56 	{ "label",	1,	ARG_STR },
57 	{ "pty",	1,	ARG_ANY },
58 	{ "frame",	1,	ARG_ANY },
59 	{ "mapnl",	1,	ARG_ANY },
60 	{ "keepopen",	1,	ARG_ANY },
61 	{ "smooth",	1,	ARG_ANY },
62 	{ "shell",	1,	ARG_STR|ARG_LIST },
63 	0
64 };
65 
66 l_window(v, a)
67 struct value *v;
68 struct value *a;
69 {
70 	struct ww *w;
71 	int col, row, ncol, nrow, id, nline;
72 	char *label;
73 	char haspty, hasframe, mapnl, keepopen, smooth;
74 	char *shf, **sh;
75 	char *argv[sizeof default_shell / sizeof *default_shell];
76 	char **pp;
77 
78 	if ((id = findid()) < 0)
79 		return;
80 	row = a->v_type == V_ERR ? 1 : a->v_num;
81 	a++;
82 	col = a->v_type == V_ERR ? 0 : a->v_num;
83 	a++;
84 	nrow = a->v_type == V_ERR ? wwnrow - row : a->v_num;
85 	a++;
86 	ncol = a->v_type == V_ERR ? wwncol - col : a->v_num;
87 	a++;
88 	nline = a->v_type == V_ERR ? default_nline : a->v_num;
89 	a++;
90 	label = a->v_type == V_ERR ? 0 : a->v_str;
91 	if ((haspty = vtobool(++a, 1, -1)) < 0)
92 		return;
93 	if ((hasframe = vtobool(++a, 1, -1)) < 0)
94 		return;
95 	if ((mapnl = vtobool(++a, !haspty, -1)) < 0)
96 		return;
97 	if ((keepopen = vtobool(++a, 0, -1)) < 0)
98 		return;
99 	if ((smooth = vtobool(++a, default_smooth, -1)) < 0)
100 		return;
101 	if ((++a)->v_type != V_ERR) {
102 		for (pp = argv; a->v_type != V_ERR &&
103 		     pp < &argv[sizeof argv/sizeof *argv-1]; pp++, a++)
104 			*pp = a->v_str;
105 		*pp = 0;
106 		shf = *(sh = argv);
107 		if (*sh = strrchr(shf, '/'))
108 			(*sh)++;
109 		else
110 			*sh = shf;
111 	} else {
112 		sh = default_shell;
113 		shf = default_shellfile;
114 	}
115 	if ((w = openwin(id, row, col, nrow, ncol, nline, label, haspty,
116 	    hasframe, shf, sh)) == 0)
117 		return;
118 	w->ww_mapnl = mapnl;
119 	w->ww_keepopen = keepopen;
120 	w->ww_noupdate = !smooth;
121 	v->v_type = V_NUM;
122 	v->v_num = id + 1;
123 }
124 
125 struct lcmd_arg arg_def_nline[] = {
126 	{ "nlines",	1,	ARG_NUM },
127 	0
128 };
129 
130 l_def_nline(v, a)
131 struct value *v, *a;
132 {
133 	v->v_num = default_nline;
134 	v->v_type = V_NUM;
135 	if (a->v_type != V_ERR)
136 		default_nline = a->v_num;
137 }
138 
139 struct lcmd_arg arg_smooth[] = {
140 	{ "window",	1,	ARG_NUM },
141 	{ "flag",	1,	ARG_ANY },
142 	0
143 };
144 
145 l_smooth(v, a)
146 struct value *v, *a;
147 {
148 	struct ww *w;
149 
150 	v->v_type = V_NUM;
151 	v->v_num = 0;
152 	if ((w = vtowin(a++, selwin)) == 0)
153 		return;
154 	v->v_num = !w->ww_noupdate;
155 	w->ww_noupdate = !vtobool(a, v->v_num, v->v_num);
156 }
157 
158 struct lcmd_arg arg_def_smooth[] = {
159 	{ "flag",	1,	ARG_ANY },
160 	0
161 };
162 
163 l_def_smooth(v, a)
164 struct value *v, *a;
165 {
166 	v->v_type = V_NUM;
167 	v->v_num = default_smooth;
168 	default_smooth = vtobool(a, v->v_num, v->v_num);
169 }
170 
171 struct lcmd_arg arg_select[] = {
172 	{ "window",	1,	ARG_NUM },
173 	0
174 };
175 
176 l_select(v, a)
177 struct value *v, *a;
178 {
179 	struct ww *w;
180 
181 	v->v_type = V_NUM;
182 	v->v_num = selwin ? selwin->ww_id + 1 : -1;
183 	if (a->v_type == V_ERR)
184 		return;
185 	if ((w = vtowin(a, (struct ww *)0)) == 0)
186 		return;
187 	setselwin(w);
188 }
189 
190 struct lcmd_arg arg_debug[] = {
191 	{ "flag",	1,	ARG_ANY },
192 	0
193 };
194 
195 l_debug(v, a)
196 struct value *v, *a;
197 {
198 	v->v_type = V_NUM;
199 	v->v_num = debug;
200 	debug = vtobool(a, debug, debug);
201 }
202 
203 struct lcmd_arg arg_escape[] = {
204 	{ "escapec",	1,	ARG_STR },
205 	0
206 };
207 
208 l_escape(v, a)
209 struct value *v, *a;
210 {
211 	char buf[2];
212 
213 	buf[0] = escapec;
214 	buf[1] = 0;
215 	if ((v->v_str = str_cpy(buf)) == 0) {
216 		error("Out of memory.");
217 		return;
218 	}
219 	v->v_type = V_STR;
220 	if (a->v_type != V_ERR)
221 		setescape(a->v_str);
222 }
223 
224 struct lcmd_arg arg_label[] = {
225 	{ "window",	1,	ARG_NUM },
226 	{ "label",	1,	ARG_STR },
227 	0
228 };
229 
230 /*ARGSUSED*/
231 l_label(v, a)
232 struct value *v;
233 struct value *a;
234 {
235 	struct ww *w;
236 
237 	if ((w = vtowin(a, selwin)) == 0)
238 		return;
239 	if ((++a)->v_type != V_ERR && setlabel(w, a->v_str) < 0)
240 		error("Out of memory.");
241 	reframe();
242 }
243 
244 struct lcmd_arg arg_foreground[] = {
245 	{ "window",	1,	ARG_NUM },
246 	{ "flag",	1,	ARG_ANY },
247 	0
248 };
249 
250 l_foreground(v, a)
251 struct value *v, *a;
252 {
253 	struct ww *w;
254 	char flag;
255 
256 	if ((w = vtowin(a, selwin)) == 0)
257 		return;
258 	v->v_type = V_NUM;
259 	v->v_num = isfg(w);
260 	flag = vtobool(++a, v->v_num, v->v_num);
261 	if (flag == v->v_num)
262 		return;
263 	deletewin(w);
264 	addwin(w, flag);
265 	reframe();
266 }
267 
268 struct lcmd_arg arg_terse[] = {
269 	{ "flag",	1,	ARG_ANY },
270 	0
271 };
272 
273 l_terse(v, a)
274 struct value *v, *a;
275 {
276 	v->v_type = V_NUM;
277 	v->v_num = terse;
278 	setterse(vtobool(a, terse, terse));
279 }
280 
281 struct lcmd_arg arg_source[] = {
282 	{ "filename",	1,	ARG_STR },
283 	0
284 };
285 
286 l_source(v, a)
287 struct value *v, *a;
288 {
289 	v->v_type = V_NUM;
290 	if (a->v_type != V_ERR && dosource(a->v_str) < 0) {
291 		error("Can't open %s.", a->v_str);
292 		v->v_num = -1;
293 	} else
294 		v->v_num = 0;
295 }
296 
297 struct lcmd_arg arg_write[] = {
298 	{ "window",	1,	ARG_NUM },
299 	{ "",		0,	ARG_ANY|ARG_LIST },
300 	0
301 };
302 
303 /*ARGSUSED*/
304 l_write(v, a)
305 struct value *v;
306 struct value *a;
307 {
308 	char buf[20];
309 	struct ww *w;
310 
311 	if ((w = vtowin(a++, selwin)) == 0)
312 		return;
313 	while (a->v_type != V_ERR) {
314 		if (a->v_type == V_NUM) {
315 			(void) sprintf(buf, "%d", a->v_num);
316 			(void) write(w->ww_pty, buf, strlen(buf));
317 		} else
318 			(void) write(w->ww_pty, a->v_str, strlen(a->v_str));
319 		if ((++a)->v_type != V_ERR)
320 			(void) write(w->ww_pty, " ", 1);
321 	}
322 }
323 
324 struct lcmd_arg arg_close[] = {
325 	{ "window",	1,	ARG_ANY|ARG_LIST },
326 	0
327 };
328 
329 /*ARGSUSED*/
330 l_close(v, a)
331 struct value *v;
332 struct value *a;
333 {
334 	struct ww *w;
335 
336 	if (a->v_type == V_STR && str_match(a->v_str, "all", 3))
337 		closewin((struct ww *)0);
338 	else
339 		for (; a->v_type != V_ERR; a++)
340 			if ((w = vtowin(a, (struct ww *)0)) != 0)
341 				closewin(w);
342 }
343 
344 struct lcmd_arg arg_cursormodes[] = {
345 	{ "modes",	1,	ARG_NUM },
346 	0
347 };
348 
349 l_cursormodes(v, a)
350 struct value *v, *a;
351 {
352 
353 	v->v_type = V_NUM;
354 	v->v_num = wwcursormodes;
355 	if (a->v_type != V_ERR)
356 		wwsetcursormodes(a->v_num);
357 }
358 
359 struct lcmd_arg arg_unset[] = {
360 	{ "variable",	1,	ARG_ANY },
361 	0
362 };
363 
364 l_unset(v, a)
365 struct value *v, *a;
366 {
367 	v->v_type = V_NUM;
368 	switch (a->v_type) {
369 	case V_ERR:
370 		v->v_num = -1;
371 		return;
372 	case V_NUM:
373 		if ((a->v_str = str_itoa(a->v_num)) == 0) {
374 			error("Out of memory.");
375 			v->v_num = -1;
376 			return;
377 		}
378 		a->v_type = V_STR;
379 		break;
380 	}
381 	v->v_num = var_unset(a->v_str);
382 }
383 
384 struct ww *
385 vtowin(v, w)
386 struct value *v;
387 struct ww *w;
388 {
389 	switch (v->v_type) {
390 	case V_ERR:
391 		if (w != 0)
392 			return w;
393 		error("No window specified.");
394 		return 0;
395 	case V_STR:
396 		error("%s: No such window.", v->v_str);
397 		return 0;
398 	}
399 	if (v->v_num < 1 || v->v_num > NWINDOW
400 	    || (w = window[v->v_num - 1]) == 0) {
401 		error("%d: No such window.", v->v_num);
402 		return 0;
403 	}
404 	return w;
405 }
406 
407 vtobool(v, def, err)
408 struct value *v;
409 char def, err;
410 {
411 	switch (v->v_type) {
412 	case V_NUM:
413 		return v->v_num != 0;
414 	case V_STR:
415 		if (str_match(v->v_str, "true", 1)
416 		    || str_match(v->v_str, "on", 2)
417 		    || str_match(v->v_str, "yes", 1))
418 			return 1;
419 		else if (str_match(v->v_str, "false", 1)
420 		    || str_match(v->v_str, "off", 2)
421 		    || str_match(v->v_str, "no", 1))
422 			return 0;
423 		else {
424 			error("%s: Illegal boolean value.", v->v_str);
425 			return err;
426 		}
427 		/*NOTREACHED*/
428 	case V_ERR:
429 		return def;
430 	}
431 	/*NOTREACHED*/
432 }
433